/* ============================================================
   FIRST-PARTY AI™ — CATEGORY-DEFINING PAGE
   fpai-v3.css
   Premium design matching CustomerNode index v5 standards
   ============================================================ */

/* ────────────────────────────────────────
   0. TOKEN LAYER
   ──────────────────────────────────────── */
:root {
    --fpai-gradient: linear-gradient(160deg, #4f46e5 0%, #6366f1 40%, #8b5cf6 100%);
    --fpai-gradient-soft: linear-gradient(135deg, rgba(79,70,229,0.85) 0%, rgba(99,102,241,0.75) 50%, rgba(139,92,246,0.8) 100%);
    --fpai-glow: rgba(99, 102, 241, 0.2);
    --fpai-glow-strong: rgba(99, 102, 241, 0.4);
    --fpai-card-border: color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    --fpai-card-bg: var(--main-bg-color);
    --fpai-section-py: clamp(5rem, 10vw, 8rem);
    --fpai-max-w: 1200px;
    --fpai-max-w-narrow: 820px;
}

/* ────────────────────────────────────────
   1. HERO
   ──────────────────────────────────────── */
.fpai-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #06060e;
    padding: 0 !important;
}

/* Glow orb – top-left (purple) */
.fpai-hero-mesh::before {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    top: -12%;
    left: -8%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.10) 0%, rgba(79, 70, 229, 0) 70%);
    filter: blur(60px);
    animation: fpai-orb-1 14s ease-in-out infinite alternate;
}

/* Glow orb – right (blue) */
.fpai-hero-mesh::after {
    content: "";
    position: absolute;
    width: 550px;
    height: 550px;
    top: 10%;
    right: -6%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.10) 0%, rgba(96, 165, 250, 0) 70%);
    filter: blur(50px);
    animation: fpai-orb-2 18s ease-in-out infinite alternate;
}

.fpai-hero-mesh {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

/* Third orb via a child element in the template */
.fpai-hero-orb-3 {
    position: absolute;
    width: 480px;
    height: 480px;
    bottom: -8%;
    left: 30%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.10) 0%, rgba(139, 92, 246, 0) 70%);
    filter: blur(55px);
    pointer-events: none;
    z-index: 1;
    animation: fpai-orb-3 16s ease-in-out infinite alternate;
}

@keyframes fpai-orb-1 {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    50%  { transform: translate(40px, 30px) scale(1.08); opacity: 0.75; }
    100% { transform: translate(-20px, 15px) scale(0.95); opacity: 1; }
}

@keyframes fpai-orb-2 {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    50%  { transform: translate(-35px, 20px) scale(1.05); opacity: 0.7; }
    100% { transform: translate(15px, -25px) scale(0.97); opacity: 1; }
}

@keyframes fpai-orb-3 {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    50%  { transform: translate(25px, -20px) scale(1.1); opacity: 0.65; }
    100% { transform: translate(-15px, 10px) scale(0.93); opacity: 1; }
}

/* Override particles-overlay & hero-gradient bg for FPAI dark hero */
.fpai-hero .particles-overlay,
.fpai-hero .particles-overlay.hero-gradient {
    background: transparent !important;
    background-color: transparent !important;
}

.fpai-hero-inner {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 920px;
    padding: 2rem 1.5rem;
    color: #fff;
}

/* Force all hero text white — bg is always near-black */
.fpai-hero .fpai-hero-title,
.fpai-hero .fpai-hero-sub,
.fpai-hero .fpai-btn-ghost,
.fpai-hero .fpai-hero-scroll-cue {
    color: #fff !important;
}

.fpai-hero .fpai-tm {
    -webkit-text-fill-color: rgba(255, 255, 255, 0.4);
}

.fpai-hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    font-size: 0.55rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-weight: 600;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 2.5rem;
}

/* Mascot icon inside Get Started button */
.fpai-btn-primary svg {
    width: 20px;
    height: 20px;
}

.fpai-hero-title {
    font-size: clamp(3.25rem, 9vw, 6.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.035em;
    color: var(--inv-bg-color);
    margin: 0 0 1.75rem;
}

.fpai-hero-title .fpai-gradient-text {
    background: var(--fpai-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fpai-tm {
    font-size: 0.35em;
    vertical-align: super;
    opacity: 0.4;
    letter-spacing: 0;
    -webkit-text-fill-color: var(--inv-bg-color);
}

.fpai-hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--inv-bg-color);
    opacity: 0.65;
    max-width: 640px;
    margin: 0 auto 3rem;
    line-height: 1.75;
}

.fpai-hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.fpai-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border-radius: 999px;
    background: var(--fpai-gradient-soft);
    color: #fff !important;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    text-decoration: none !important;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
}

.fpai-btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.45);
}

.fpai-btn-primary svg {
    width: 18px;
    height: 18px;
}

.fpai-btn-ghost {
    all: unset;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--inv-bg-color) !important;
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease;
    text-decoration: none !important;
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0.8;
}

.fpai-btn-ghost:hover {
    transform: scale(1.08);
    opacity: 1;
    color: var(--lightblue) !important;
}

.fpai-btn-ghost svg {
    width: 18px;
    height: 18px;
}

.fpai-hero-scroll-cue {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0.3;
    animation: fpai-scroll-bounce 2s ease-in-out infinite;
    color: var(--inv-bg-color);
}

@keyframes fpai-scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(8px); }
}

/* ────────────────────────────────────────
   2. SHARED SECTION STYLES
   ──────────────────────────────────────── */
.fpai-section {
    position: relative;
    padding: var(--fpai-section-py) 0;
    background: var(--main-bg-color);
    color: var(--inv-bg-color);
    overflow: hidden;
}

.fpai-section-inner {
    max-width: var(--fpai-max-w);
    margin: 0 auto;
}

.fpai-section-inner--narrow {
    max-width: var(--fpai-max-w-narrow);
}

.fpai-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.fpai-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.95rem;
    border-radius: 999px;
    font-size: 0.6rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    font-weight: 800;
    background: color-mix(in srgb, var(--purple) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--purple) 25%, transparent);
    color: var(--purple);
    margin-bottom: 1.5rem;
}

.fpai-pill svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.fpai-section-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--inv-bg-color);
    margin: 0 0 1rem;
}
.fpai-section-title--centered {
    text-align: center;
    margin-bottom: 2rem;
}

.fpai-section-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--inv-bg-color);
    opacity: 0.6;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.fpai-divider {
    width: 60px;
    height: 2px;
    background: var(--blurple);
    margin: 2rem auto;
    opacity: 0.5;
}

/* ────────────────────────────────────────
   3. CRISIS / STATS SECTION
   ──────────────────────────────────────── */
.fpai-crisis {
    position: relative;
    /* Force dark — same scope as hero + introduce so they read as one block */
    --main-bg-color: #06060e;
    --inv-bg-color: #f1f5f9;
    --off-bg-color: #06060e;
    --grey-accent-color: #0f172a;
    --secondary-grey-color: #1e293b;
    color: #f1f5f9;
    background: #06060e;
}

.fpai-crisis-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 80% at 50% 60%, rgba(99, 102, 241, 0.08), transparent 70%);
    pointer-events: none;
}

.fpai-stats-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1px;
}

.fpai-stat-card {
    padding: 1.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
    border: none;
    border-right: 1px solid color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
    border-radius: 0;
    transition: background 0.35s ease;
    flex: 1 1 200px;
    max-width: 280px;
}

.fpai-stat-card:last-child {
    border-right: none;
}

.fpai-stat-card:hover {
    background: color-mix(in srgb, var(--inv-bg-color) 5%, transparent);
}

.fpai-stat-value {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.1;
    height: 44px;
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    background: var(--fpai-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fpai-stat-label {
    font-size: 0.8rem;
    color: var(--inv-bg-color);
    opacity: 0.5;
    line-height: 1.5;
    height: 68px;
    display: flex;
    align-items: center;
    max-width: 200px;
}

.fpai-stat-source {
    font-size: 0.6rem;
    color: var(--inv-bg-color);
    opacity: 0.25;
    margin-top: auto;
    padding-top: 0.6rem;
    font-style: italic;
}

/* Compact variant (no header, tighter padding) */
.fpai-crisis--compact {
    padding-top: 3.5rem;
    padding-bottom: 0;
}

/* ────────────────────────────────────────
   3b. REASSURANCE CHIPS (reusable)
   ──────────────────────────────────────── */
.fpai-reassure-footer {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.fpai-reassure-chip {
    display: inline-block;
    padding: 0.45rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: color-mix(in srgb, var(--inv-bg-color) 55%, transparent);
    border: 1px solid color-mix(in srgb, var(--inv-bg-color) 10%, transparent);
    border-radius: 100px;
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
}

/* ────────────────────────────────────────
   4. THESIS / MANIFESTO
   ──────────────────────────────────────── */
.fpai-thesis {
    position: relative;
}

.fpai-thesis-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(79, 70, 229, 0.08), transparent);
    pointer-events: none;
}

.fpai-thesis-card {
    max-width: var(--fpai-max-w-narrow);
    margin: 0 auto;
    text-align: center;
    padding: 4rem 3rem;
    background: var(--fpai-card-bg);
    border: 1px solid var(--fpai-card-border);
    border-radius: 32px;
    box-shadow: 0 40px 80px rgba(15, 23, 42, 0.12);
    position: relative;
}

.fpai-thesis-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 2rem;
    color: var(--purple);
    opacity: 0.6;
}

.fpai-thesis-headline {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--inv-bg-color);
    margin: 0 0 1.5rem;
}

.fpai-thesis-headline em {
    font-style: normal;
    background: var(--fpai-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fpai-thesis-body {
    font-size: 1.05rem;
    color: var(--inv-bg-color);
    opacity: 0.65;
    line-height: 1.75;
    max-width: 600px;
    margin: 0 auto;
}

/* ────────────────────────────────────────
   4b. INTRODUCING FIRST-PARTY AI
   ──────────────────────────────────────── */

.fpai-kicker-prefix {
    color: color-mix(in srgb, var(--inv-bg-color) 45%, transparent);
}

.fpai-kicker-term {
    font-weight: 700;
    background: linear-gradient(160deg, #4f46e5 0%, #6366f1 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ── Introduce — force dark, premium immersive section ── */
.fpai-introduce {
    position: relative;
    /* Force dark theme — matches hero + crisis for seamless flow */
    --main-bg-color: #06060e;
    --inv-bg-color: #f1f5f9;
    --off-bg-color: #06060e;
    --grey-accent-color: #0f172a;
    --secondary-grey-color: #1e293b;
    color: #f1f5f9;
    background: #06060e;
    padding-top: 2rem;
    padding-bottom: var(--fpai-section-py);
    border-bottom: 0.5px solid rgba(129, 140, 248, 0.08);
}

.fpai-introduce-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 35%, rgba(99, 102, 241, 0.10), transparent 70%),
        radial-gradient(circle at 12% 80%, rgba(139, 92, 246, 0.09), transparent 50%),
        radial-gradient(circle at 88% 20%, rgba(96, 165, 250, 0.07), transparent 50%),
        radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.06), transparent 60%);
    pointer-events: none;
}

.fpai-introduce-card {
    position: relative;
    max-width: 840px;
    margin: 0 auto;
    padding: 1rem 0 2.5rem;
}

.fpai-introduce-card::before {
    display: none;
}

/* ── Transition bridge — data problem → ecosystem pivot ── */
.fpai-transition-bridge {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 1rem;
}

.fpai-transition-bridge::before {
    display: none;
}

.fpai-bridge-lead {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.55;
    font-weight: 500;
    color: color-mix(in srgb, var(--inv-bg-color) 70%, transparent);
    margin: 0;
    letter-spacing: -0.01em;
}

.fpai-bridge-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 3rem 0 2.5rem;
}

.fpai-bridge-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--inv-bg-color) 25%, transparent), transparent);
}

.fpai-bridge-divider-label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--inv-bg-color) 40%, transparent);
    white-space: nowrap;
}

.fpai-transition-bridge .fpai-intro-kicker {
    margin-top: 5rem;
    margin-bottom: 0;
}

.fpai-intro-kicker--hero .fpai-kicker-brand {
    display: block;
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--inv-bg-color);
    margin-bottom: 1.5rem;
}

.fpai-intro-kicker--hero .fpai-kicker-prefix {
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    margin-bottom: 0.6rem;
}

.fpai-solution-group {
    text-align: center;
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    border-radius: 16px;
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
    padding: 1.5rem 2rem 1.25rem;
    margin-top: 0.75rem;
}

.fpai-solution-group .fpai-kicker-term {
    display: block;
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
    background: linear-gradient(160deg, #4f46e5 0%, #6366f1 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.1rem;
}

.fpai-solution-group .fpai-dims {
    margin: 0.5rem 0 0;
}

.fpai-bridge-sub {
    font-size: 0.85rem;
    line-height: 1.6;
    color: color-mix(in srgb, var(--inv-bg-color) 40%, transparent);
    margin: 0;
    max-width: 500px;
    margin-inline: auto;
}

/* ── Five Dimensions — compact rotating ── */
.fpai-dims {
    margin: 0.25rem 0 0;
}

.fpai-dims-row {
    display: flex;
    justify-content: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.fpai-dim-tab {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: color-mix(in srgb, var(--inv-bg-color) 35%, transparent);
    background: none;
    border: 1px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    border-radius: 100px;
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.fpai-dim-tab:hover {
    color: color-mix(in srgb, var(--inv-bg-color) 60%, transparent);
    border-color: color-mix(in srgb, var(--inv-bg-color) 15%, transparent);
}

.fpai-dim-tab.is-active {
    color: var(--inv-bg-color);
    border-color: color-mix(in srgb, #818cf8 35%, transparent);
    background: color-mix(in srgb, #818cf8 8%, transparent);
}

.fpai-dims-feed {
    position: relative;
    height: 4rem;
    margin-top: 0.75rem;
    overflow: hidden;
}

.fpai-dim-desc {
    position: absolute;
    inset: 0;
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.55;
    color: color-mix(in srgb, var(--inv-bg-color) 50%, transparent);
    text-align: center;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.fpai-dim-desc.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fpai-introduce-card .fpai-transition-bridge .fpai-intro-kicker {
    margin-bottom: 1rem;
}

.fpai-introduce-card .fpai-journey {
    margin-top: -50px;
    margin-bottom: 0;
}


/* ── Unified journey visualization ── */
.fpai-intro-kicker {
    text-align: center;
    margin-bottom: 2.5rem;
}

.fpai-intro-kicker .fpai-kicker-prefix {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.fpai-intro-kicker .fpai-kicker-term {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    padding-bottom: 0.1em;
    display: inline-block;
}

.fpai-journey {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 720px;
    margin: 0 auto 2.5rem;
}

@property --progress-deg {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}

@property --orbit-offset {
    syntax: '<angle>';
    inherits: true;
    initial-value: 0deg;
}

@property --stage-offset {
    syntax: '<angle>';
    inherits: true;
    initial-value: 0deg;
}

/* ── Circle journey ring — 3D stacked platform ── */
.fpai-journey-ring-wrap {
    --ring-size: 540px;
    --ring-radius: 160px;
    --node-w: 102px;
    --node-h: 34px;
    --person-radius: 244px;
    --ai-radius: 98px;
    --tilt: 36deg;
    --persp: 600px;
    position: relative;
    width: var(--ring-size);
    height: var(--ring-size);
    transform: perspective(var(--persp)) rotateX(var(--tilt));
    transform-origin: center 55%;
    transform-style: preserve-3d;
    transition: --stage-offset 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                --orbit-offset 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── 3D zone fills — concentric colored bands ── */
.fpai-journey-ring-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle,
        color-mix(in srgb, #a78bfa 20%, transparent) 0%,
        color-mix(in srgb, #8b5cf6 10%, transparent) 36%,
        color-mix(in srgb, #818cf8 16%, transparent) 37%,
        color-mix(in srgb, #6366f1 7%, transparent) 58%,
        color-mix(in srgb, #60a5fa 14%, transparent) 59%,
        color-mix(in srgb, #3b82f6 5%, transparent) 89%,
        transparent 90%
    );
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
    pointer-events: none;
    transform: translateZ(-2px);
}

.fpai-journey--active::before { opacity: 1; }

/* ── Ground shadow — floating disc casts a soft glow ── */
.fpai-journey-ring-wrap::after {
    content: "";
    position: absolute;
    bottom: -32px;
    left: 8%;
    right: 8%;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(ellipse,
        color-mix(in srgb, #818cf8 22%, transparent) 0%,
        color-mix(in srgb, #6366f1 10%, transparent) 40%,
        transparent 70%);
    filter: blur(20px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease 1.5s;
    transform: translateZ(-10px);
}

.fpai-journey--active::after { opacity: 1; }

/* ── Outer orbit — Context Native (people ring) — Z:0 base layer ── */
.fpai-journey-orbit-outer {
    position: absolute;
    inset: calc((var(--ring-size) - var(--person-radius) * 2) / 2);
    border-radius: 50%;
    border: 1.5px dashed color-mix(in srgb, #60a5fa 28%, transparent);
    box-shadow: 0 8px 30px color-mix(in srgb, #3b82f6 14%, transparent),
                0 0 0 10px color-mix(in srgb, #3b82f6 4%, transparent);
    transform: translateZ(0);
}

/* Outer orbit slowly counter-rotates its dash pattern */
@keyframes fpai-context-spin {
    to { transform: translateZ(0) rotate(-360deg); }
}

.fpai-journey--active .fpai-journey-orbit-outer {
    animation: fpai-context-spin 120s linear 1.5s infinite backwards;
}

/* ── Data flow — radial spokes between outer and inner rings ── */
.fpai-data-flow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease 1.5s;
    transform: translateZ(22px);
}

.fpai-journey--active .fpai-data-flow {
    opacity: 1;
}

.fpai-flow-spoke {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    transform: rotate(calc(var(--angle) + var(--orbit-offset, 0deg)));
}
.fpai-flow-spoke:nth-child(1) { --angle:   0deg; --delay:    0s; }
.fpai-flow-spoke:nth-child(2) { --angle:  40deg; --delay: 1.1s; }
.fpai-flow-spoke:nth-child(3) { --angle:  80deg; --delay: 0.5s; }
.fpai-flow-spoke:nth-child(4) { --angle: 120deg; --delay: 1.6s; }
.fpai-flow-spoke:nth-child(5) { --angle: 160deg; --delay: 0.3s; }
.fpai-flow-spoke:nth-child(6) { --angle: 200deg; --delay: 1.9s; }
.fpai-flow-spoke:nth-child(7) { --angle: 240deg; --delay: 0.8s; }
.fpai-flow-spoke:nth-child(8) { --angle: 280deg; --delay: 1.4s; }
.fpai-flow-spoke:nth-child(9) { --angle: 320deg; --delay: 0.2s; }

/* Static spoke line — faint radial connector */
.fpai-flow-spoke::before {
    content: "";
    position: absolute;
    left: -0.5px;
    width: 1px;
    top: calc(-1 * var(--person-radius) + 14px);
    height: calc(var(--person-radius) - var(--ring-radius) - 20px);
    background: linear-gradient(
        to bottom,
        color-mix(in srgb, #60a5fa 12%, transparent),
        color-mix(in srgb, #818cf8 18%, transparent),
        color-mix(in srgb, #818cf8 8%, transparent)
    );
    border-radius: 1px;
}

/* Animated data packet — dot travels along spoke */
.fpai-flow-spoke::after {
    content: "";
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    left: -2px;
    box-shadow: 0 0 6px rgba(129, 140, 248, 0.6),
                0 0 12px rgba(99, 102, 241, 0.3);
    animation-duration: 3s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-delay: var(--delay, 0s);
}

/* Inward — context data flowing to stages (blue) */
.fpai-flow-spoke--in::after {
    background: #60a5fa;
    animation-name: fpai-data-in;
}

/* Outward — AI actions flowing to people (indigo) */
.fpai-flow-spoke--out::after {
    background: #a78bfa;
    animation-name: fpai-data-out;
}

@keyframes fpai-data-in {
    0%   { top: calc(-1 * var(--person-radius) + 14px); opacity: 0; }
    12%  { opacity: 0.8; }
    50%  { opacity: 0.9; }
    88%  { opacity: 0.6; }
    100% { top: calc(-1 * var(--ring-radius) - 6px); opacity: 0; }
}

@keyframes fpai-data-out {
    0%   { top: calc(-1 * var(--ring-radius) - 6px); opacity: 0; }
    12%  { opacity: 0.7; }
    50%  { opacity: 0.8; }
    88%  { opacity: 0.5; }
    100% { top: calc(-1 * var(--person-radius) + 14px); opacity: 0; }
}

/* People carousel — orbit offset animates all personas around the ring */
.fpai-people-ring {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
}

/* --orbit-offset is now driven by JS (1/4 of stage rotation) */

.fpai-journey-person {
    position: absolute;
    top: 50%;
    left: 50%;
    --person-angle: calc(var(--p) * 40deg + var(--orbit-offset, 0deg));
    transform: rotate(var(--person-angle))
               translateY(calc(-1 * var(--person-radius)))
               rotate(calc(-1 * var(--person-angle)))
               translateZ(0)
               rotateX(calc(-1 * var(--tilt)));
    display: flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    padding: 0 0.65rem;
    margin-left: -36px;
    margin-top: -14px;
    min-width: 72px;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    border-radius: 14px;
    opacity: 0;
    transition: opacity 0.5s ease;
    transition-delay: calc(0.84s + var(--p) * 0.08s);
    z-index: 1;
}

.fpai-journey-person:nth-of-type(1)  { --p: 0; }
.fpai-journey-person:nth-of-type(2)  { --p: 1; }
.fpai-journey-person:nth-of-type(3)  { --p: 2; }
.fpai-journey-person:nth-of-type(4)  { --p: 3; }
.fpai-journey-person:nth-of-type(5)  { --p: 4; }
.fpai-journey-person:nth-of-type(6)  { --p: 5; }
.fpai-journey-person:nth-of-type(7)  { --p: 6; }
.fpai-journey-person:nth-of-type(8)  { --p: 7; }
.fpai-journey-person:nth-of-type(9)  { --p: 8; }

.fpai-journey--active .fpai-journey-person { opacity: 1; }
.fpai-journey--layer-motion .fpai-journey-person { opacity: 0.7; }
.fpai-journey--layer-motion .fpai-journey-person--third { opacity: 0.4; }

/* Team colors */
.fpai-journey-person--sell {
    color: #f59e0b;
    background: color-mix(in srgb, #f59e0b 8%, var(--main-bg-color));
    border: 1px solid color-mix(in srgb, #f59e0b 15%, transparent);
}

.fpai-journey-person--cust {
    color: #06b6d4;
    background: color-mix(in srgb, #06b6d4 8%, var(--main-bg-color));
    border: 1px solid color-mix(in srgb, #06b6d4 15%, transparent);
}

.fpai-journey-person--third {
    color: var(--inv-bg-color);
    opacity: 0;
    background: color-mix(in srgb, var(--inv-bg-color) 4%, var(--main-bg-color));
    border: 1px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
}

.fpai-journey--active .fpai-journey-person--third { opacity: 0.65; }



/* ── Middle orbit — Motion Native (stages) — Z:45 ── */
.fpai-journey-orbit {
    position: absolute;
    inset: calc((var(--ring-size) - var(--ring-radius) * 2) / 2);
    border-radius: 50%;
    border: 1.5px solid color-mix(in srgb, #818cf8 45%, transparent);
    background: radial-gradient(circle,
        transparent 0%,
        transparent 62%,
        color-mix(in srgb, #6366f1 6%, transparent) 68%,
        color-mix(in srgb, #818cf8 12%, transparent) 85%,
        color-mix(in srgb, #818cf8 18%, transparent) 100%
    );
    box-shadow: 0 12px 40px color-mix(in srgb, #818cf8 28%, transparent),
                0 0 0 1px color-mix(in srgb, #818cf8 15%, transparent),
                inset 0 0 30px color-mix(in srgb, #818cf8 10%, transparent),
                inset 0 1px 0 color-mix(in srgb, #c4b5fd 12%, transparent);
    transform: translateZ(45px);
    opacity: 0;
    transition: opacity 0.8s ease;
}
.fpai-journey--layer-motion .fpai-journey-orbit { opacity: 1; }

/* Progress arc — fills as stages complete */
.fpai-journey-orbit::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    background: conic-gradient(from var(--stage-offset, 0deg),
        color-mix(in srgb, #818cf8 40%, transparent) 0deg,
        color-mix(in srgb, #60a5fa 55%, transparent) var(--progress-deg, 0deg),
        transparent var(--progress-deg, 0deg)
    );
    mask: radial-gradient(closest-side, transparent calc(100% - 3px), black calc(100% - 2px), black 100%, transparent 100%);
    -webkit-mask: radial-gradient(closest-side, transparent calc(100% - 3px), black calc(100% - 2px), black 100%, transparent 100%);
    opacity: 0;
    transition: opacity 0.6s ease, --progress-deg 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-journey--layer-motion .fpai-journey-orbit::after {
    opacity: 0.75;
}

/* Stage nodes — stagger-in on scroll */
.fpai-journey-node {
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--node-w);
    height: var(--node-h);
    margin-left: calc(var(--node-w) / -2);
    margin-top: calc(var(--node-h) / -2);
    --node-angle: calc(var(--i) * 51.43deg + var(--stage-offset, 0deg));
    transform: rotate(var(--node-angle))
               translateY(calc(-1 * var(--ring-radius)))
               rotate(calc(-1 * var(--node-angle)))
               translateZ(60px)
               rotateX(calc(-1 * var(--tilt)));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: var(--inv-bg-color);
    opacity: 0;
    border-radius: 20px;
    background: color-mix(in srgb, var(--main-bg-color) 75%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid color-mix(in srgb, #818cf8 30%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, #818cf8 12%, transparent);
    transition: opacity 0.5s ease, color 0.35s ease, border-color 0.35s ease,
                background 0.35s ease, box-shadow 0.35s ease, scale 0.3s ease;
    transition-delay: calc(var(--i) * 0.12s);
    z-index: 4;
}
.fpai-journey-node:nth-of-type(1)  { --i: 0; }
.fpai-journey-node:nth-of-type(2)  { --i: 1; }
.fpai-journey-node:nth-of-type(3)  { --i: 2; }
.fpai-journey-node:nth-of-type(4)  { --i: 3; }
.fpai-journey-node:nth-of-type(5)  { --i: 4; }
.fpai-journey-node:nth-of-type(6)  { --i: 5; }
.fpai-journey-node:nth-of-type(7)  { --i: 6; }

.fpai-node-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* Nodes appear on motion layer */
.fpai-journey--layer-motion .fpai-journey-node              { opacity: 0.9; }
.fpai-journey--layer-motion .fpai-journey-node--done        {
    opacity: 1;
    border-color: color-mix(in srgb, #818cf8 45%, transparent);
    background: color-mix(in srgb, #818cf8 10%, var(--main-bg-color));
    box-shadow: 0 0 10px color-mix(in srgb, #818cf8 15%, transparent);
}
.fpai-journey--layer-motion .fpai-journey-node--active      {
    opacity: 1 !important;
    color: var(--inv-bg-color);
    border-color: color-mix(in srgb, #60a5fa 55%, transparent);
    background: color-mix(in srgb, #60a5fa 14%, var(--main-bg-color));
    animation: fpai-stage-pulse 2.2s ease-in-out infinite;
}

@keyframes fpai-stage-pulse {
    0%, 100% { box-shadow: 0 0 14px color-mix(in srgb, #60a5fa 25%, transparent),
                            0 0 0 1px color-mix(in srgb, #60a5fa 18%, transparent); }
    50%      { box-shadow: 0 0 28px color-mix(in srgb, #60a5fa 50%, transparent),
                            0 0 0 2px color-mix(in srgb, #60a5fa 35%, transparent); }
}

/* Stage counter label — appears below active node */
.fpai-journey-node--active[data-counter]::after {
    content: attr(data-counter);
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.42rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: color-mix(in srgb, var(--inv-bg-color) 35%, transparent);
    white-space: nowrap;
}

/* Arrow controls */
.fpai-journey-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%) translateZ(72px) rotateX(calc(-1 * var(--tilt)));
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: color-mix(in srgb, var(--inv-bg-color) 35%, transparent);
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, color 0.2s ease;
    z-index: 3;
    padding: 0;
}

.fpai-journey--layer-motion .fpai-journey-arrow { opacity: 1; }
.fpai-journey-arrow:hover { color: var(--inv-bg-color); }
.fpai-journey-arrow--prev { left: calc(50% - 118px); }
.fpai-journey-arrow--next { right: calc(50% - 118px); }

/* Center — AI mascot + outcome (lives on motion layer) */
.fpai-journey-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateZ(72px) rotateX(calc(-1 * var(--tilt)));
    width: calc(var(--ai-radius) * 2 + 40px);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    z-index: 1;
    background: color-mix(in srgb, var(--main-bg-color) 72%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 10%, transparent);
    border-radius: 20px;
    padding: 0.85rem 1.15rem;
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.15),
                0 0 120px rgba(139, 92, 246, 0.08);
}

.fpai-journey-mascot {
    width: 56px;
    height: 56px;
    color: var(--blurple);
    filter: drop-shadow(0 0 24px rgba(99, 102, 241, 0.7))
            drop-shadow(0 0 48px rgba(139, 92, 246, 0.4))
            drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
    opacity: 0;
    transition: opacity 0.6s ease 0.8s;
}

.fpai-journey--layer-motion .fpai-journey-mascot {
    opacity: 1;
    animation: fpai-mascot-breathe 4s ease-in-out infinite;
}

.fpai-journey-mascot svg {
    width: 100%;
    height: auto;
    fill: url(#fpaiMascotGradient);
}

@keyframes fpai-mascot-breathe {
    0%, 100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-4px) scale(1.06); }
}

.fpai-journey-feed {
    position: relative;
    width: 100%;
    height: 88px;
    overflow: hidden;
}

/* Outcome items — JS-driven */
.fpai-journey-outcome {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    opacity: 0;
    transform: translateY(5px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.fpai-journey-outcome--visible {
    opacity: 1;
    transform: translateY(0);
}

.fpai-journey-outcome-text {
    font-size: 0.88rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.35;
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.7),
                 0 0 40px rgba(0, 0, 0, 0.3);
}

/* AI thinking dots */
.fpai-thinking-dots {
    display: flex;
    gap: 5px;
    align-items: center;
    justify-content: center;
}

.fpai-thinking-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #818cf8;
    animation: fpai-dot-pulse 1s ease-in-out infinite;
}

.fpai-thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.fpai-thinking-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes fpai-dot-pulse {
    0%, 100% { opacity: 0.25; transform: scale(0.8); }
    50%      { opacity: 1;    transform: scale(1.2); }
}

.fpai-journey-outcome-how {
    font-size: 0.52rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.5;
}

.fpai-journey-outcome-how--motion  { color: #818cf8; }
.fpai-journey-outcome-how--context { color: #60a5fa; }
.fpai-journey-outcome-how--ai      { color: #a78bfa; }


/* ── Zone annotations — inline in footer, color-coded to ring layers ── */
.fpai-zone-label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.55rem;
    border-radius: 100px;
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

/* Active glow when matching pillar fires */
.fpai-zone-label.fpai-legend-item--active.fpai-zone-label--context {
    border-color: color-mix(in srgb, #3b82f6 50%, transparent);
    box-shadow: 0 0 14px color-mix(in srgb, #3b82f6 25%, transparent);
}
.fpai-zone-label.fpai-legend-item--active.fpai-zone-label--motion {
    border-color: color-mix(in srgb, #818cf8 50%, transparent);
    box-shadow: 0 0 14px color-mix(in srgb, #818cf8 25%, transparent);
}

.fpai-zone-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.15rem;
}
.fpai-zone-dot--ai      { background: #8b5cf6; }
.fpai-zone-dot--context { background: #3b82f6; }
.fpai-zone-dot--motion  { background: #6366f1;
}

.fpai-zone-name {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--inv-bg-color);
    white-space: nowrap;
}

/* Context — blue, tied to outer orbit */
.fpai-zone-label--context {
    background: color-mix(in srgb, #3b82f6 8%, color-mix(in srgb, var(--main-bg-color) 75%, transparent));
    border: 1px solid color-mix(in srgb, #3b82f6 25%, transparent);
}

/* Motion — indigo, tied to inner orbit */
.fpai-zone-label--motion {
    background: color-mix(in srgb, #818cf8 8%, color-mix(in srgb, var(--main-bg-color) 75%, transparent));
    border: 1px solid color-mix(in srgb, #818cf8 25%, transparent);
}

/* Connector SVG — lines from pills to rings */
.fpai-connector-svg {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
    overflow: visible;
}

.fpai-connector-line {
    stroke-width: 1;
    stroke-dasharray: 4 3;
    opacity: 0.35;
}

.fpai-connector-line--context {
    stroke: #3b82f6;
}

.fpai-connector-line--motion {
    stroke: #818cf8;
}

/* Connector line — motion label to inner orbit */
/* AI tag on center card */
.fpai-zone-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--inv-bg-color);
    opacity: 0.5;
    transition: opacity 0.4s ease;
    margin-top: 0.15rem;
}

.fpai-zone-tag .fpai-zone-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.fpai-zone-tag.fpai-legend-item--active {
    opacity: 1;
}

.fpai-introduce-footer {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
    width: 100%;
}

.fpai-legend-chip {
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: color-mix(in srgb, var(--inv-bg-color) 40%, transparent);
    padding: 0.2rem 0.55rem;
    border: 1px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    border-radius: 100px;
}

/* ── Clickable zone labels + tooltip ── */
.fpai-zone-clickable {
    cursor: pointer;
    transition: border-color 0.35s ease, box-shadow 0.35s ease, opacity 0.35s ease;
}

.fpai-zone-clickable:hover {
    border-color: color-mix(in srgb, var(--inv-bg-color) 20%, transparent);
}

.fpai-zone-clickable.is-open {
    border-color: color-mix(in srgb, var(--inv-bg-color) 30%, transparent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
}

.fpai-zone-tag.fpai-zone-clickable {
    cursor: pointer;
}

.fpai-zone-tag.fpai-zone-clickable:hover,
.fpai-zone-tag.fpai-zone-clickable.is-open {
    opacity: 1;
}

.fpai-zone-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    max-width: 280px;
    padding: 0.65rem 0.85rem;
    font-size: 0.72rem;
    line-height: 1.55;
    color: color-mix(in srgb, var(--inv-bg-color) 70%, transparent);
    background: color-mix(in srgb, var(--main-bg-color) 85%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 12%, transparent);
    border-radius: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 10;
}

.fpai-zone-tooltip.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(-6px);
    pointer-events: auto;
}


/* ────────────────────────────────────────
   5. FOUR PILLARS
   ──────────────────────────────────────── */
.fpai-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.fpai-pillar-card {
    padding: 2.25rem 1.75rem;
    background: var(--fpai-card-bg);
    border: 1px solid var(--fpai-card-border);
    border-radius: 20px;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.fpai-pillar-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--fpai-gradient);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.fpai-pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 35px var(--fpai-glow);
    border-color: color-mix(in srgb, var(--blurple) 18%, transparent);
}

.fpai-pillar-card:hover::before {
    opacity: 1;
}

.fpai-pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 15%, transparent), color-mix(in srgb, var(--blurple) 8%, transparent));
    border: 1px solid color-mix(in srgb, var(--purple) 20%, transparent);
    color: var(--purple);
}

.fpai-pillar-icon svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.fpai-pillar-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--inv-bg-color);
    margin: 0 0 0.75rem;
}

.fpai-pillars-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

.fpai-pillar-desc {
    font-size: 0.875rem;
    color: var(--inv-bg-color);
    opacity: 0.6;
    line-height: 1.65;
    margin: 0;
}

.fpai-pillar-audience {
    display: block;
    font-size: 0.65rem;
    color: var(--inv-bg-color);
    opacity: 0.25;
    font-style: italic;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--fpai-card-border);
}

/* ────────────────────────────────────────
   6. AI EXPERIENCE — INTERACTIVE SECTION
   ──────────────────────────────────────── */
.fpai-experience {
    position: relative;
}

.fpai-experience-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 22% 30%, rgba(139, 92, 246, 0.08), transparent 45%),
        radial-gradient(circle at 82% 65%, rgba(96, 165, 250, 0.06), transparent 50%);
    pointer-events: none;
}

/* ── Pipeline Spine ── */
.fpai-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: relative;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.fpai-pipeline-wire {
    position: absolute;
    top: 50%;
    left: 15%;
    right: 15%;
    height: 2px;
    background: color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    transform: translateY(-50%);
    z-index: 0;
    overflow: hidden;
}

.fpai-pipeline-wire-fill {
    position: absolute;
    inset: 0;
    background: var(--fpai-gradient);
    opacity: 0.3;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-experience--booted .fpai-pipeline-wire-fill {
    transform: scaleX(1);
}

/* Ambient particles on wire */
.fpai-pipeline-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #6366f1;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    filter: blur(1px);
}

.fpai-experience--booted .fpai-pipeline-particle {
    animation: fpai-wire-particle 4s linear infinite;
}

.fpai-particle-1 { animation-delay: 0s !important; }
.fpai-particle-2 { animation-delay: 1.3s !important; }
.fpai-particle-3 { animation-delay: 2.6s !important; }

@keyframes fpai-wire-particle {
    0%   { left: -2%; opacity: 0; }
    5%   { opacity: 0.6; }
    95%  { opacity: 0.6; }
    100% { left: 102%; opacity: 0; }
}

/* Pipeline nodes */
.fpai-pipeline-node {
    all: unset;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    flex: 1;
    padding: 0.75rem 0;
    transition: opacity 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.fpai-experience--booted .fpai-pipeline-node {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fpai-experience--booted .fpai-pipeline-node:nth-child(2) { transition-delay: 0.3s; }
.fpai-experience--booted .fpai-pipeline-node:nth-child(3) { transition-delay: 0.5s; }
.fpai-experience--booted .fpai-pipeline-node:nth-child(4) { transition-delay: 0.7s; }
.fpai-experience--booted .fpai-pipeline-node:nth-child(5) { transition-delay: 0.9s; }

.fpai-node-glow {
    position: absolute;
    width: 100%;
    height: 36px;
    border-radius: 100px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.2), transparent 70%);
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.fpai-pipeline-node--active .fpai-node-glow {
    opacity: 1;
    animation: fpai-node-breathe 2.5s ease-in-out infinite;
}

@keyframes fpai-node-breathe {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.6; }
    50%      { transform: translateX(-50%) scale(1.15); opacity: 1; }
}

.fpai-node-count {
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
    color: color-mix(in srgb, var(--inv-bg-color) 65%, transparent);
    background: var(--fpai-card-bg);
    border: 1px solid color-mix(in srgb, var(--inv-bg-color) 10%, transparent);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.fpai-pipeline-node--active .fpai-node-count {
    background: var(--fpai-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.fpai-node-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--inv-bg-color);
    opacity: 0.35;
    transition: opacity 0.3s ease;
}

.fpai-pipeline-node--active .fpai-node-label {
    opacity: 0.8;
}

.fpai-pipeline-node:hover .fpai-node-label {
    opacity: 0.65;
}

/* Transit particle (fires when switching tabs) */
.fpai-transit-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #818cf8;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    filter: blur(1px);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
    pointer-events: none;
}

/* ── Key Unlock Transition ── */
.fpai-unlock {
    position: relative;
    margin: 0 -3rem 0;
    padding: 1rem 3rem;
    overflow: hidden;
}

.fpai-unlock-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        transparent 0%,
        color-mix(in srgb, #0a0a14 85%, transparent) 25%,
        color-mix(in srgb, #0a0a14 92%, transparent) 75%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 0;
}

.fpai-unlock-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.5rem 0;
}

.fpai-unlock-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--blurple) 15%, transparent), color-mix(in srgb, #818cf8 8%, transparent));
    border: 0.5px solid color-mix(in srgb, var(--blurple) 22%, transparent);
    color: #818cf8;
    flex-shrink: 0;
    box-shadow: 0 0 20px color-mix(in srgb, var(--blurple) 12%, transparent);
}

.fpai-unlock-shackle {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    transform-origin: 16px 7px;
}

.fpai-unlock--open .fpai-unlock-shackle {
    transform: rotate(-25deg) translateY(-1px);
}

.fpai-unlock-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #818cf8;
    opacity: 0.7;
    margin: 0;
}

.fpai-unlock-layer-name {
    color: #c4b5fd;
    font-weight: 700;
}

.fpai-unlock-edge {
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--blurple) 18%, transparent), transparent);
    pointer-events: none;
}

/* ── Viewport ── */
.fpai-viewport {
    position: relative;
    min-height: 400px;
    overflow: hidden;
}

.fpai-layer {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.fpai-layer--active {
    display: block;
    animation: fpai-layer-enter 0.4s ease forwards;
    animation-delay: 0.1s;
}

.fpai-layer--exiting {
    display: block;
    animation: fpai-layer-exit 0.3s ease forwards;
}

@keyframes fpai-layer-enter {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fpai-layer-exit {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-10px); }
}

/* Layer header */
.fpai-layer-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.fpai-layer-title {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 700;
    color: var(--inv-bg-color);
    margin: 0 0 0.5rem;
}

.fpai-layer-subtitle {
    font-size: 0.9rem;
    color: var(--inv-bg-color);
    opacity: 0.5;
    margin: 0;
}

/* ── CREATE: Agent flow ── */
.fpai-create-agents {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.fpai-agent-card {
    position: relative;
    padding: 1.5rem 1.25rem;
    background: var(--fpai-card-bg);
    border: 1px solid var(--fpai-card-border);
    border-radius: 16px;
    text-align: center;
    width: 150px;
    transition: all 0.35s ease;
    opacity: 0;
    transform: translateY(12px);
}

.fpai-layer--active .fpai-agent-card {
    animation: fpai-agent-stagger 0.5s ease forwards;
}

.fpai-agent-card[data-stagger="0"] { animation-delay: 0.2s !important; }
.fpai-agent-card[data-stagger="1"] { animation-delay: 0.3s !important; }
.fpai-agent-card[data-stagger="2"] { animation-delay: 0.4s !important; }
.fpai-agent-card[data-stagger="3"] { animation-delay: 0.5s !important; }
.fpai-agent-card[data-stagger="4"] { animation-delay: 0.6s !important; }

@keyframes fpai-agent-stagger {
    to { opacity: 1; transform: translateY(0); }
}

.fpai-agent-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 8px 25px var(--fpai-glow);
    border-color: color-mix(in srgb, var(--purple) 20%, transparent);
}

/* Agent pulse dot */
.fpai-agent-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    position: absolute;
    top: 12px;
    right: 12px;
    animation: fpai-pulse-live 2s ease-in-out infinite;
}

@keyframes fpai-pulse-live {
    0%, 100% { opacity: 0.4; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50%      { opacity: 1; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

/* Agent icons */
.fpai-agent-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    color: var(--inv-bg-color);
}

.fpai-agent-icon svg {
    width: 20px;
    height: 20px;
}

.fpai-agent-icon--creator {
    background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 18%, transparent), color-mix(in srgb, var(--blurple) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--purple) 25%, transparent);
}
.fpai-agent-icon--architect {
    background: linear-gradient(135deg, color-mix(in srgb, var(--blurple) 18%, transparent), color-mix(in srgb, var(--purple) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--blurple) 25%, transparent);
}
.fpai-agent-icon--coach {
    background: linear-gradient(135deg, color-mix(in srgb, var(--lightblue) 18%, transparent), color-mix(in srgb, var(--purple) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--lightblue) 25%, transparent);
}
.fpai-agent-icon--edit {
    background: linear-gradient(135deg, color-mix(in srgb, var(--pink) 18%, transparent), color-mix(in srgb, var(--purple) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--pink) 25%, transparent);
}
.fpai-agent-icon--inline {
    background: linear-gradient(135deg, color-mix(in srgb, var(--blurple) 15%, transparent), color-mix(in srgb, var(--lightblue) 12%, transparent));
    border: 1px solid color-mix(in srgb, var(--blurple) 22%, transparent);
}
.fpai-agent-icon--design {
    background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 15%, transparent), color-mix(in srgb, var(--lightblue) 12%, transparent));
    border: 1px solid color-mix(in srgb, var(--purple) 22%, transparent);
}

.fpai-agent-card-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--inv-bg-color);
    margin: 0 0 0.3rem;
}

.fpai-agent-card-role {
    font-size: 0.65rem;
    color: var(--inv-bg-color);
    opacity: 0.45;
    line-height: 1.4;
    margin: 0;
}

/* Flow connector lines */
.fpai-create-flow-line {
    width: 28px;
    height: 2px;
    background: color-mix(in srgb, var(--blurple) 20%, transparent);
    position: relative;
    flex-shrink: 0;
}

.fpai-create-flow-line::after {
    content: "";
    position: absolute;
    right: -2px;
    top: -3px;
    width: 6px;
    height: 6px;
    border-top: 2px solid color-mix(in srgb, var(--blurple) 25%, transparent);
    border-right: 2px solid color-mix(in srgb, var(--blurple) 25%, transparent);
    transform: rotate(45deg);
}

/* ── SHARE: Split panel ── */
.fpai-share-split {
    display: flex;
    align-items: stretch;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
}

.fpai-share-panel {
    flex: 1;
    padding: 2rem 1.5rem;
    background: var(--fpai-card-bg);
    border: 1px solid var(--fpai-card-border);
    border-radius: 16px;
}

.fpai-share-panel--template {
    border-radius: 16px 0 0 16px;
    border-right: none;
}

.fpai-share-panel--personalized {
    border-radius: 0 16px 16px 0;
    border-left: none;
}

.fpai-share-panel-label {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--inv-bg-color);
    opacity: 0.3;
    margin-bottom: 1.25rem;
}

.fpai-share-panel-content {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.fpai-share-line {
    height: 8px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
}

.fpai-share-line--title {
    width: 60%;
    height: 10px;
    margin-bottom: 0.4rem;
}

.fpai-share-line--short {
    width: 70%;
}

.fpai-share-line--glow {
    background: linear-gradient(90deg, color-mix(in srgb, var(--blurple) 15%, transparent), color-mix(in srgb, var(--purple) 10%, transparent));
    position: relative;
    overflow: hidden;
}

.fpai-share-line--glow::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: fpai-shimmer 2.5s ease-in-out infinite;
}

@keyframes fpai-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Share bridge */
.fpai-share-bridge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0 0.75rem;
    min-width: 140px;
}

.fpai-share-bridge-line {
    width: 2px;
    height: 12px;
    background: color-mix(in srgb, var(--blurple) 20%, transparent);
}

.fpai-agent-chip-inline {
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: color-mix(in srgb, var(--blurple) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--blurple) 15%, transparent);
    color: var(--inv-bg-color);
    opacity: 0.7;
    white-space: nowrap;
}

/* Share typing animation */
.fpai-share-typing {
    font-size: 0.75rem;
    color: var(--inv-bg-color);
    opacity: 0.6;
    line-height: 1.6;
    min-height: 2.4em;
    font-family: inherit;
}

.fpai-share-cursor {
    animation: fpai-blink 0.8s step-end infinite;
    color: var(--blurple);
    font-weight: 300;
}

@keyframes fpai-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* ── NAVIGATE: Dual-column stage/dashboard ── */
.fpai-nav-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: stretch;
}

.fpai-nav-col {
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    border-radius: 20px;
    padding: 1.5rem 1.35rem;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    position: relative;
    overflow: hidden;
}

/* subtle top-edge highlight */
.fpai-nav-col::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--blurple) 25%, transparent), transparent);
    pointer-events: none;
}

.fpai-nav-col-header {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
    margin-bottom: 1.15rem;
    padding-bottom: 0.75rem;
    border-bottom: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
}

.fpai-nav-col-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--blurple) 18%, transparent), color-mix(in srgb, #818cf8 10%, transparent));
    border: 0.5px solid color-mix(in srgb, var(--blurple) 20%, transparent);
    color: #818cf8;
    flex-shrink: 0;
}

.fpai-nav-col-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--inv-bg-color);
    margin: 0;
    letter-spacing: 0.01em;
}

.fpai-nav-col-desc {
    width: 100%;
    font-size: 0.55rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--inv-bg-color);
    opacity: 0.3;
    margin: 0;
}

/* Stage rows */
.fpai-nav-stages {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.fpai-nav-stage {
    padding: 0.55rem 0.7rem;
    border-radius: 11px;
    border: 0.5px solid transparent;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-nav-stage:hover:not(.fpai-nav-stage--active) {
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
}

.fpai-nav-stage--active {
    background: color-mix(in srgb, var(--blurple) 6%, transparent);
    border-color: color-mix(in srgb, var(--blurple) 10%, transparent);
    box-shadow: 0 2px 12px color-mix(in srgb, var(--blurple) 6%, transparent);
}

.fpai-nav-stage-label {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--inv-bg-color);
    opacity: 0.35;
    margin-bottom: 0.25rem;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.fpai-nav-stage--active .fpai-nav-stage-label {
    opacity: 1;
    color: #818cf8;
}

.fpai-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    opacity: 0.25;
    transition: opacity 0.35s ease;
}

.fpai-nav-stage--active .fpai-nav-actions {
    opacity: 1;
}

.fpai-nav-action {
    font-size: 0.68rem;
    color: var(--inv-bg-color);
    opacity: 0.55;
    margin: 0;
    padding-left: 0.85rem;
    position: relative;
    line-height: 1.6;
}

.fpai-nav-action::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #818cf8;
    opacity: 0.6;
    box-shadow: 0 0 6px color-mix(in srgb, var(--blurple) 40%, transparent);
}

/* Dashboard actions */
.fpai-nav-dash-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.fpai-nav-dash-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.6rem 0.7rem;
    background: color-mix(in srgb, var(--inv-bg-color) 2.5%, transparent);
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 5%, transparent);
    border-radius: 11px;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-nav-dash-item:hover {
    background: color-mix(in srgb, var(--blurple) 5%, transparent);
    border-color: color-mix(in srgb, var(--blurple) 12%, transparent);
    transform: translateX(3px);
}

.fpai-nav-dash-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #818cf8;
    flex-shrink: 0;
    margin-top: 0.4em;
    opacity: 0.7;
    box-shadow: 0 0 6px color-mix(in srgb, var(--blurple) 35%, transparent);
}

.fpai-nav-dash-item .fpai-nav-action {
    padding-left: 0;
}

.fpai-nav-dash-item .fpai-nav-action::before {
    display: none;
}

/* ── PREDICT: Viz cards ── */
.fpai-predict-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.fpai-predict-viz-card {
    padding: 1.75rem 1.25rem;
    background: var(--fpai-card-bg);
    border: 1px solid var(--fpai-card-border);
    border-radius: 16px;
    text-align: center;
    transition: all 0.35s ease;
}

.fpai-predict-viz-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--fpai-glow);
}

.fpai-predict-viz {
    margin-bottom: 1rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fpai-predict-svg {
    width: 100%;
    max-width: 100px;
    height: 60px;
    color: var(--inv-bg-color);
}

.fpai-predict-viz-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--inv-bg-color);
    margin: 0 0 0.4rem;
}

.fpai-predict-viz-desc {
    font-size: 0.7rem;
    color: var(--inv-bg-color);
    opacity: 0.5;
    line-height: 1.5;
    margin: 0;
}




/* ────────────────────────────────────────
   10. ARCHITECTURE — COMPACT STRIP
   ──────────────────────────────────────── */
.fpai-arch-section {
    padding-top: 3rem;
    padding-bottom: 2rem;
}

.fpai-arch-header {
    text-align: center;
    margin-bottom: 2rem;
}

.fpai-arch-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 0.75rem;
    margin-bottom: 2.5rem;
}

.fpai-arch-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
    border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 7%, transparent);
    border-radius: 10px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-arch-item:hover {
    background: color-mix(in srgb, var(--blurple) 6%, transparent);
    border-color: color-mix(in srgb, var(--blurple) 14%, transparent);
}

.fpai-arch-item-title {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--inv-bg-color);
    opacity: 0.85;
    white-space: nowrap;
}

.fpai-arch-item-sep {
    color: var(--inv-bg-color);
    opacity: 0.15;
    font-size: 0.65rem;
}

.fpai-arch-item-desc {
    font-size: 0.65rem;
    color: var(--inv-bg-color);
    opacity: 0.45;
    white-space: nowrap;
}

/* Inline stat */
.fpai-arch-stat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    border-top: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
}

.fpai-arch-stat-number {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1;
    background: var(--fpai-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px var(--fpai-glow-strong));
}

.fpai-arch-stat-label {
    font-size: 0.85rem;
    color: var(--inv-bg-color);
    opacity: 0.5;
    max-width: 380px;
    line-height: 1.55;
}

/* ────────────────────────────────────────
   12. FINAL CTA
   ──────────────────────────────────────── */
.fpai-final-cta {
    text-align: center;
    position: relative;
    padding: var(--fpai-section-py) 1.5rem;
}

.fpai-final-cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(79, 70, 229, 0.12), transparent);
    pointer-events: none;
}

.fpai-final-cta-inner {
    position: relative;
    z-index: 2;
    max-width: 740px;
    margin: 0 auto;
}

/* — Manifesto opener — */
.fpai-manifesto {
    margin-bottom: 4rem;
}

.fpai-final-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--inv-bg-color);
    margin: 0 0 1rem;
}

.fpai-final-sub {
    font-size: 1.1rem;
    color: var(--inv-bg-color);
    opacity: 0.5;
    margin: 0 0 2.5rem;
    line-height: 1.7;
}

.fpai-manifesto-lines {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fpai-manifesto-line {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--inv-bg-color);
    opacity: 0.75;
    margin: 0;
    transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.fpai-manifesto-line:last-child {
    opacity: 0.9;
    background: linear-gradient(135deg, #a5b4fc, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* — Closing CTA — */
.fpai-final-close {
    border-top: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
    padding-top: 3rem;
}

.fpai-final-close-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--inv-bg-color);
    margin: 0 0 2rem;
}

.fpai-final-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* ────────────────────────────────────────
   13. COUNTER ANIMATION
   ──────────────────────────────────────── */
.fpai-counter[data-target] {
    transition: none;
}

/* ────────────────────────────────────────
   14. RESPONSIVE BREAKPOINTS
   ──────────────────────────────────────── */
@media (max-width: 1024px) {
    .fpai-introduce-card {
        max-width: 720px;
        padding: 3rem 2rem 2rem;
    }
    .fpai-journey-ring-wrap {
        --ring-size: 460px;
        --ring-radius: 138px;
        --person-radius: 208px;
        --ai-radius: 82px;
        --node-w: 90px;
        --node-h: 30px;
        --tilt: 30deg;
    }
    .fpai-journey-person {
        font-size: 0.48rem;
        min-width: 60px;
        padding: 0 0.5rem;
    }
    .fpai-journey-mascot {
        width: 48px;
        height: 48px;
    }
    .fpai-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fpai-pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fpai-pillars-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .fpai-arch-item-desc {
        white-space: normal;
    }

    /* Experience section — tablet */
    .fpai-pipeline {
        padding: 0 1rem;
    }
    .fpai-pipeline-wire {
        left: 10%;
        right: 10%;
    }
    .fpai-create-agents {
        flex-wrap: wrap;
        gap: 0.75rem;
        justify-content: center;
    }
    .fpai-create-flow-line {
        display: none;
    }
    .fpai-agent-card {
        width: 130px;
    }
    .fpai-nav-dual {
        gap: 1rem;
    }
    .fpai-nav-col {
        padding: 1.25rem;
    }
    .fpai-share-split {
        flex-direction: column;
    }
    .fpai-share-panel--template {
        border-radius: 16px 16px 0 0;
        border-right: 1px solid var(--fpai-card-border);
        border-bottom: none;
    }
    .fpai-share-panel--personalized {
        border-radius: 0 0 16px 16px;
        border-left: 1px solid var(--fpai-card-border);
        border-top: none;
    }
    .fpai-share-bridge {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        min-width: auto;
        padding: 0.5rem 0;
    }
    .fpai-share-bridge-line {
        width: 20px;
        height: 2px;
    }
}

@media (max-width: 768px) {
    .fpai-introduce-card {
        padding: 2rem 1rem 1.5rem;
    }
    .fpai-journey-mascot {
        width: 40px;
        height: 40px;
    }
    .fpai-introduce-footer {
        gap: 0.4rem 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .fpai-legend-chip {
        font-size: 0.48rem;
        padding: 0.15rem 0.4rem;
    }
    .fpai-zone-label {
        display: inline-flex;
        padding: 0.25rem 0.5rem;
    }
    .fpai-zone-label--context {
        border-color: color-mix(in srgb, #3b82f6 35%, transparent);
    }
    .fpai-zone-label--motion {
        border-color: color-mix(in srgb, #818cf8 35%, transparent);
    }
    .fpai-zone-name {
        font-size: 0.52rem;
    }
    .fpai-zone-dot {
        width: 6px;
        height: 6px;
    }
    .fpai-dims-feed {
        height: 5.5rem;
    }
    .fpai-stats-grid,
    .fpai-pillars-grid {
        grid-template-columns: 1fr;
    }
    .fpai-arch-stat {
        flex-direction: column;
        text-align: center;
    }
    .fpai-hero-ctas {
        flex-direction: column;
        gap: 1rem;
    }
    .fpai-final-ctas {
        flex-direction: column;
        gap: 1rem;
    }
    .fpai-manifesto {
        margin-bottom: 2.5rem;
    }
    .fpai-manifesto-line {
        font-size: 1rem;
    }
    .fpai-final-close {
        padding-top: 2rem;
    }
    .fpai-final-close-title {
        margin-bottom: 1.5rem;
    }
    .fpai-thesis-card {
        padding: 2.5rem 1.5rem;
        border-radius: 20px;
    }
    .fpai-hero {
        min-height: auto;
        padding-top: 120px !important;
        padding-bottom: 80px !important;
    }

    /* Experience section — mobile */
    .fpai-pipeline {
        flex-wrap: nowrap;
        gap: 0;
        padding: 0;
        border-radius: 14px;
        background: color-mix(in srgb, var(--inv-bg-color) 3%, transparent);
        border: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 8%, transparent);
        overflow: hidden;
    }
    .fpai-pipeline-wire {
        display: none;
    }
    .fpai-pipeline-node {
        flex: 1 1 0;
        flex-direction: column;
        gap: 0.2rem;
        padding: 0.65rem 0.25rem;
        border-radius: 0;
        background: transparent;
        border: none;
        border-right: 0.5px solid color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
    }
    .fpai-pipeline-node:last-child {
        border-right: none;
    }
    .fpai-pipeline-node--active {
        background: color-mix(in srgb, var(--blurple) 8%, transparent);
        border-color: color-mix(in srgb, var(--inv-bg-color) 6%, transparent);
    }
    .fpai-node-glow {
        display: none;
    }
    .fpai-node-count,
    .fpai-pipeline-node--active .fpai-node-count {
        padding: 0;
        font-size: 0.45rem;
        background: none;
        border: none;
        box-shadow: none;
        border-radius: 0;
        color: var(--inv-bg-color);
        letter-spacing: 0.06em;
    }
    .fpai-node-count {
        opacity: 0.4;
    }
    .fpai-pipeline-node--active .fpai-node-count {
        opacity: 0.7;
    }
    .fpai-node-label {
        font-size: 0.6rem;
    }
    .fpai-layer-header {
        margin-bottom: 1.5rem;
    }
    .fpai-layer-subtitle {
        font-size: 0.8rem;
    }
    .fpai-create-agents {
        gap: 0.5rem;
    }
    .fpai-agent-card {
        width: 100%;
        max-width: 200px;
    }
    .fpai-nav-dual {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .fpai-nav-col {
        padding: 1rem;
        border-radius: 14px;
    }
    .fpai-nav-col-header {
        padding-bottom: 0.6rem;
        margin-bottom: 0.6rem;
    }
    .fpai-nav-stage {
        padding: 0.4rem 0.55rem;
    }
    .fpai-nav-action {
        font-size: 0.58rem;
    }
    .fpai-predict-cards {
        grid-template-columns: 1fr;
    }
    .fpai-viewport {
        min-height: 300px;
    }

    /* Journey — mobile */
    .fpai-journey-ring-wrap {
        --ring-size: 360px;
        --ring-radius: 108px;
        --node-w: 76px;
        --node-h: 26px;
        --person-radius: 162px;
        --ai-radius: 62px;
        --tilt: 22deg;
        --persp: 500px;
    }
    .fpai-journey-feed {
        height: 64px;
    }
    .fpai-journey-person {
        font-size: 0.42rem;
        min-width: 50px;
        height: 24px;
        padding: 0 0.4rem;
        margin-left: -28px;
        margin-top: -12px;
    }
    .fpai-journey-node {
        font-size: 0.55rem;
    }
    .fpai-journey-outcome-text {
        font-size: 0.56rem;
    }
    .fpai-journey-arrow {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }
    .fpai-journey-arrow--prev { left: calc(50% - 80px); }
    .fpai-journey-arrow--next { right: calc(50% - 80px); }
    .fpai-journey-pillars {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    .fpai-journey-pillar {
        text-align: center;
        flex-direction: column;
        align-items: center;
    }
    .fpai-reassure-footer {
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .fpai-node-label {
        font-size: 0.52rem;
    }
    .fpai-node-count {
        font-size: 0.4rem;
    }
}

/* ── Reduced-motion: kill orbit spins + breathing ── */
@media (prefers-reduced-motion: reduce) {
    .fpai-journey--active .fpai-journey-orbit-outer,
    .fpai-journey--active .fpai-journey-orbit::after,
    .fpai-journey--layer-motion .fpai-journey-mascot {
        animation: none;
    }
}

/* ────────────────────────────────────────
   15. UTILITY
   ──────────────────────────────────────── */
.fpai-gradient-text {
    background: var(--fpai-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fpai-text-center {
    text-align: center;
}

.fpai-mt-0 { margin-top: 0 !important; }