/* ========================================
   AI Integration page
   Scoped to .ai-page so it never affects the rest of the site.
   Built on the shared brand tokens in styles.css.
   ======================================== */

.ai-page {
    --ai-accent: var(--primary-color);
    --ai-accent-rgb: 0, 247, 212;
    --ai-ink: #E9F1FF;
    --ai-ink-2: #B6C2D9;
    --ai-ink-3: #7D8AA8;
    --ai-line: rgba(255, 255, 255, 0.08);
    --ai-line-strong: rgba(255, 255, 255, 0.14);
    --ai-panel: linear-gradient(180deg, rgba(15, 26, 42, 0.72), rgba(11, 18, 32, 0.55));
    --ai-display: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
    --ai-body: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --ai-ease: cubic-bezier(0.22, 1, 0.36, 1);

    font-family: var(--ai-body);
    color: var(--ai-ink);
    background: #05060A;
    overflow-x: clip;
}

.ai-page h1,
.ai-page h2,
.ai-page h3 {
    font-family: var(--ai-display);
    letter-spacing: -0.025em;
    color: var(--ai-ink);
}

.nav-btn-current {
    color: var(--primary-color) !important;
    border-color: rgba(0, 247, 212, 0.4) !important;
}

.ai-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
}

.ai-section {
    padding: 140px 0;
    position: relative;
}

.ai-accent {
    background: linear-gradient(120deg, #00F7D4 0%, #7CFFEE 55%, #00C9B0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ai-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ai-accent);
    margin-bottom: 20px;
}

.ai-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: currentColor;
    opacity: 0.6;
}

.ai-h2 {
    font-size: clamp(2.25rem, 4.4vw, 3.75rem);
    line-height: 1.06;
    font-weight: 700;
    max-width: 900px;
}

.ai-lead {
    margin-top: 24px;
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: var(--ai-ink-2);
    max-width: 680px;
}

.ai-section-head {
    margin-bottom: 72px;
}

/* Buttons */
.ai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 12px;
    font-family: var(--ai-body);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.2;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.35s var(--ai-ease), box-shadow 0.35s var(--ai-ease), background 0.35s ease, border-color 0.35s ease, color 0.35s ease;
    text-decoration: none;
}

.ai-btn--primary {
    background: linear-gradient(135deg, #00F7D4, #5BFFEA);
    color: #041012;
    box-shadow: 0 10px 30px -10px rgba(var(--ai-accent-rgb), 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.ai-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px -12px rgba(var(--ai-accent-rgb), 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.ai-btn--ghost {
    background: rgba(255, 255, 255, 0.03);
    color: var(--ai-ink);
    border-color: var(--ai-line-strong);
    backdrop-filter: blur(8px);
}

.ai-btn--ghost:hover {
    border-color: rgba(var(--ai-accent-rgb), 0.5);
    color: var(--ai-accent);
}

.ai-btn--block {
    width: 100%;
}

.ai-btn-arrow {
    transition: transform 0.35s var(--ai-ease);
}

.ai-btn:hover .ai-btn-arrow {
    transform: translateX(4px);
}

.ai-btn:focus-visible,
.ai-field input:focus-visible,
.ai-field select:focus-visible,
.ai-field textarea:focus-visible {
    outline: 2px solid var(--ai-accent);
    outline-offset: 3px;
}

/* Reveal on scroll (only hidden once ai-integration.js has loaded) */
.ai-js .ai-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s var(--ai-ease), transform 0.9s var(--ai-ease);
    transition-delay: var(--ai-delay, 0s);
}

.ai-js .ai-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ========================================
   Hero
   ======================================== */
.ai-hero {
    position: relative;
    padding: 200px 0 120px;
    min-height: 100vh;
    display: grid;
    align-content: center;
}

.ai-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.ai-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 20%, transparent 75%);
}

.ai-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
}

.ai-glow--a {
    width: 620px;
    height: 620px;
    right: -120px;
    top: 80px;
    background: radial-gradient(circle, rgba(var(--ai-accent-rgb), 0.16), transparent 65%);
}

.ai-glow--b {
    width: 520px;
    height: 520px;
    left: -200px;
    bottom: -160px;
    background: radial-gradient(circle, rgba(70, 110, 255, 0.12), transparent 65%);
}

.ai-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
    width: 100%;
}

.ai-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px 8px 12px;
    border: 1px solid var(--ai-line-strong);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ai-ink-2);
    margin-bottom: 28px;
}

.ai-eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ai-accent);
    box-shadow: 0 0 0 4px rgba(var(--ai-accent-rgb), 0.15);
    animation: ai-breathe 2.8s ease-in-out infinite;
}

.ai-kicker {
    font-family: var(--ai-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ai-ink-2);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.ai-hero-title {
    font-size: clamp(2.75rem, 5.4vw, 4.75rem);
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.035em !important;
    margin-bottom: 28px;
}

.ai-hero-sub {
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: var(--ai-ink-2);
    max-width: 560px;
    margin-bottom: 40px;
}

.ai-hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.ai-hero-note {
    padding-top: 24px;
    border-top: 1px solid var(--ai-line);
    color: var(--ai-ink-3);
    font-size: 0.9375rem;
    max-width: 520px;
}

/* Network visual */
.ai-hero-visual {
    position: relative;
}

.ai-network {
    position: relative;
    width: 100%;
    max-width: 580px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.ai-network-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.ai-network-svg .ai-orbit {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 1;
}

.ai-network-svg .ai-orbit--dash {
    stroke: rgba(var(--ai-accent-rgb), 0.14);
    stroke-dasharray: 2 8;
    animation: ai-spin 80s linear infinite;
    transform-origin: 300px 300px;
}

.ai-network-svg .ai-link {
    fill: none;
    stroke: url(#aiLinkGrad);
    stroke-width: 1.1;
    opacity: 0.55;
    transition: opacity 0.4s ease, stroke-width 0.4s ease;
}

.ai-network-svg .ai-link.is-active {
    opacity: 1;
    stroke-width: 1.6;
}

.ai-network-svg .ai-link--peer {
    stroke: rgba(255, 255, 255, 0.05);
    stroke-dasharray: 3 6;
    opacity: 1;
}

.ai-network-svg .ai-pulse {
    fill: #7CFFEE;
    filter: drop-shadow(0 0 4px rgba(var(--ai-accent-rgb), 0.9));
}

.ai-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 30%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    display: grid;
    place-items: center;
    z-index: 2;
}

.ai-core-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
        radial-gradient(circle at 50% 30%, rgba(var(--ai-accent-rgb), 0.22), transparent 60%),
        linear-gradient(180deg, #0F1A2A, #070B14);
    border: 1px solid rgba(var(--ai-accent-rgb), 0.35);
    box-shadow:
        0 0 0 8px rgba(var(--ai-accent-rgb), 0.04),
        0 30px 80px -20px rgba(var(--ai-accent-rgb), 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ai-core-label {
    font-size: clamp(0.625rem, 1.1vw, 0.75rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ai-ink-3);
    font-weight: 600;
}

.ai-core-title {
    font-family: var(--ai-display);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--ai-ink);
    letter-spacing: -0.02em;
}

.ai-core-ring {
    position: absolute;
    inset: -14%;
    border-radius: 50%;
    border: 1px solid rgba(var(--ai-accent-rgb), 0.2);
    animation: ai-ripple 4.5s var(--ai-ease) infinite;
}

.ai-core-ring--2 {
    animation-delay: 2.25s;
}

.ai-node {
    position: absolute;
    left: var(--x, 50%);
    top: var(--y, 50%);
    transform: translate(-50%, -50%);
    z-index: 3;
    padding: 9px 14px;
    border-radius: 10px;
    background: rgba(11, 18, 32, 0.88);
    border: 1px solid var(--ai-line-strong);
    backdrop-filter: blur(10px);
    font-size: clamp(0.6875rem, 1.2vw, 0.875rem);
    font-weight: 600;
    color: var(--ai-ink-2);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.7);
}

.ai-node::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(var(--ai-accent-rgb), 0.45);
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

.ai-node.is-active {
    color: var(--ai-ink);
    border-color: rgba(var(--ai-accent-rgb), 0.5);
    box-shadow: 0 0 0 4px rgba(var(--ai-accent-rgb), 0.06), 0 10px 30px -12px rgba(var(--ai-accent-rgb), 0.5);
}

.ai-node.is-active::before {
    background: var(--ai-accent);
    box-shadow: 0 0 8px rgba(var(--ai-accent-rgb), 0.9);
}

/* ========================================
   Statement
   ======================================== */
.ai-statement {
    border-top: 1px solid var(--ai-line);
    background: linear-gradient(180deg, #05060A 0%, #070B14 100%);
}

.ai-statement-title {
    font-size: clamp(2.25rem, 5.2vw, 4.5rem);
    line-height: 1.05;
    font-weight: 700;
    max-width: 1080px;
    margin-bottom: 64px;
}

.ai-statement-muted {
    color: var(--ai-ink-3);
}

.ai-statement-body {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--ai-line);
}

.ai-statement-body p {
    color: var(--ai-ink-2);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.ai-statement-body .ai-statement-kicker {
    font-family: var(--ai-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--ai-ink);
    line-height: 1.1;
    letter-spacing: -0.02em;
    align-self: end;
}

.ai-manual {
    margin-top: 80px;
    overflow: hidden;
}

.ai-manual-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ai-manual-chip {
    flex-shrink: 0;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--ai-line-strong);
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.875rem;
    color: var(--ai-ink-2);
}

.ai-manual-line {
    flex: 1;
    height: 1px;
    position: relative;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
    overflow: hidden;
    min-width: 20px;
}

.ai-manual-line span {
    position: absolute;
    top: -1px;
    left: -30%;
    width: 30%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--ai-accent), transparent);
    animation: ai-flow-x 3.2s var(--ai-ease) infinite;
}

.ai-manual-line:nth-of-type(4) span { animation-delay: 0.8s; }
.ai-manual-line:nth-of-type(6) span { animation-delay: 1.6s; }
.ai-manual-line:nth-of-type(8) span { animation-delay: 2.4s; }

/* ========================================
   Cards
   ======================================== */
.ai-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--ai-line);
    border: 1px solid var(--ai-line);
    border-radius: 24px;
    overflow: hidden;
}

.ai-card {
    position: relative;
    padding: 36px 30px 40px;
    background: #070B14;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    isolation: isolate;
    transition: background 0.5s ease;
}

.ai-card::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--ai-accent-rgb), 0.12), transparent 45%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.ai-card::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ai-accent), transparent);
    transform: scaleX(0);
    transition: transform 0.6s var(--ai-ease);
}

.ai-card:hover {
    background: #0A1220;
}

.ai-card:hover::before {
    opacity: 1;
}

.ai-card:hover::after {
    transform: scaleX(1);
}

.ai-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    border: 1px solid var(--ai-line-strong);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    margin-bottom: 40px;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.ai-card-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: var(--ai-accent);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ai-card:hover .ai-card-icon {
    border-color: rgba(var(--ai-accent-rgb), 0.45);
    box-shadow: 0 0 24px -6px rgba(var(--ai-accent-rgb), 0.5);
}

.ai-card-num {
    position: absolute;
    top: 36px;
    right: 30px;
    font-family: var(--ai-display);
    font-size: 0.8125rem;
    color: var(--ai-ink-3);
    font-variant-numeric: tabular-nums;
}

.ai-card h3 {
    font-size: 1.25rem;
    line-height: 1.25;
    font-weight: 600;
    margin-bottom: 14px;
}

.ai-card p {
    color: var(--ai-ink-2);
    font-size: 0.9688rem;
    line-height: 1.65;
}

/* ========================================
   Process
   ======================================== */
.ai-process {
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(var(--ai-accent-rgb), 0.06), transparent 70%),
        #070B14;
    border-top: 1px solid var(--ai-line);
    border-bottom: 1px solid var(--ai-line);
}

.ai-flow {
    position: relative;
    margin-bottom: 72px;
}

.ai-flow-track {
    position: absolute;
    left: 10%;
    right: 10%;
    top: 7px;
    height: 2px;
    background: var(--ai-line-strong);
    border-radius: 2px;
    overflow: hidden;
}

.ai-flow-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgba(var(--ai-accent-rgb), 0.4), var(--ai-accent));
    box-shadow: 0 0 12px rgba(var(--ai-accent-rgb), 0.7);
    transition: width 2.4s var(--ai-ease) 0.2s;
}

.ai-flow.is-visible .ai-flow-fill {
    width: 100%;
}

.ai-flow-stops {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    position: relative;
}

.ai-flow-stops li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    font-family: var(--ai-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ai-ink-3);
    transition: color 0.6s ease;
}

.ai-flow-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #070B14;
    border: 2px solid var(--ai-line-strong);
    transition: border-color 0.5s ease, background 0.5s ease, box-shadow 0.5s ease;
}

.ai-flow.is-visible li {
    color: var(--ai-ink);
}

.ai-flow.is-visible .ai-flow-dot {
    border-color: var(--ai-accent);
    background: var(--ai-accent);
    box-shadow: 0 0 0 5px rgba(var(--ai-accent-rgb), 0.12);
}

.ai-flow.is-visible li:nth-child(1), .ai-flow.is-visible li:nth-child(1) .ai-flow-dot { transition-delay: 0.2s; }
.ai-flow.is-visible li:nth-child(2), .ai-flow.is-visible li:nth-child(2) .ai-flow-dot { transition-delay: 0.75s; }
.ai-flow.is-visible li:nth-child(3), .ai-flow.is-visible li:nth-child(3) .ai-flow-dot { transition-delay: 1.3s; }
.ai-flow.is-visible li:nth-child(4), .ai-flow.is-visible li:nth-child(4) .ai-flow-dot { transition-delay: 1.85s; }
.ai-flow.is-visible li:nth-child(5), .ai-flow.is-visible li:nth-child(5) .ai-flow-dot { transition-delay: 2.4s; }

.ai-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.ai-step {
    padding: 32px 28px 36px;
    border-radius: 20px;
    background: var(--ai-panel);
    border: 1px solid var(--ai-line);
    transition: border-color 0.4s ease, transform 0.5s var(--ai-ease);
}

.ai-step:hover {
    border-color: rgba(var(--ai-accent-rgb), 0.3);
}

.ai-step-num {
    display: block;
    font-family: var(--ai-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 28px;
    background: linear-gradient(180deg, rgba(var(--ai-accent-rgb), 0.9), rgba(var(--ai-accent-rgb), 0.15));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-step h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.ai-step p {
    color: var(--ai-ink-2);
    font-size: 0.9688rem;
    line-height: 1.65;
}

/* ========================================
   Audit
   ======================================== */
.ai-audit-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
    padding: 72px;
    border-radius: 32px;
    background:
        radial-gradient(ellipse 60% 80% at 100% 0%, rgba(var(--ai-accent-rgb), 0.12), transparent 60%),
        linear-gradient(180deg, #0C1524, #080D18);
    border: 1px solid rgba(var(--ai-accent-rgb), 0.18);
    box-shadow: 0 40px 120px -40px rgba(var(--ai-accent-rgb), 0.25);
    overflow: hidden;
}

.ai-audit-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(var(--ai-accent-rgb), 0.5), transparent 40%, transparent 60%, rgba(var(--ai-accent-rgb), 0.25));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.ai-audit-copy .ai-h2 {
    margin-bottom: 28px;
}

.ai-audit-lead {
    font-size: 1.25rem !important;
    color: var(--ai-ink) !important;
}

.ai-audit-lead strong {
    color: var(--ai-accent);
    font-weight: 600;
}

.ai-audit-copy p {
    color: var(--ai-ink-2);
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: 18px;
}

.ai-audit-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0 36px;
}

.ai-audit-list li {
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--ai-line-strong);
    font-size: 0.875rem;
    color: var(--ai-ink-2);
    background: rgba(255, 255, 255, 0.02);
}

.ai-matrix {
    border-radius: 22px;
    border: 1px solid var(--ai-line-strong);
    background: rgba(5, 6, 10, 0.55);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.ai-matrix-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-family: var(--ai-display);
    font-weight: 600;
    font-size: 0.9375rem;
}

.ai-matrix-tag {
    font-family: var(--ai-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ai-ink-3);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--ai-line);
}

.ai-matrix-plot {
    position: relative;
    aspect-ratio: 1.1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 6px;
    margin: 0 0 26px 26px;
}

.ai-matrix-axis {
    position: absolute;
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ai-ink-3);
    white-space: nowrap;
}

.ai-matrix-axis--x {
    bottom: -26px;
    left: 0;
}

.ai-matrix-axis--y {
    left: -26px;
    bottom: 0;
    transform-origin: 0 100%;
    transform: rotate(-90deg) translate(0, 16px);
}

.ai-matrix-q {
    border-radius: 12px;
    border: 1px solid var(--ai-line);
    background: rgba(255, 255, 255, 0.015);
    padding: 12px;
    font-size: 0.75rem;
    color: var(--ai-ink-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ai-matrix-q--1 {
    background: linear-gradient(135deg, rgba(var(--ai-accent-rgb), 0.14), rgba(var(--ai-accent-rgb), 0.03));
    border-color: rgba(var(--ai-accent-rgb), 0.3);
    color: var(--ai-accent);
}

.ai-matrix-q--3,
.ai-matrix-q--4 {
    display: flex;
    align-items: flex-end;
}

.ai-pin {
    position: absolute;
    left: var(--x);
    top: var(--y);
    transform: translate(-50%, -50%);
    padding: 6px 11px 6px 22px;
    border-radius: 999px;
    background: #0B1220;
    border: 1px solid var(--ai-line-strong);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ai-ink-2);
    white-space: nowrap;
    box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.8);
}

.ai-pin::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    border-radius: 50%;
    background: var(--ai-ink-3);
}

.ai-pin--hot {
    color: var(--ai-ink);
    border-color: rgba(var(--ai-accent-rgb), 0.45);
}

.ai-pin--hot::before {
    background: var(--ai-accent);
    box-shadow: 0 0 0 0 rgba(var(--ai-accent-rgb), 0.6);
    animation: ai-ping 2.4s ease-out infinite;
}

/* ========================================
   Integration hub
   ======================================== */
.ai-stack {
    padding-top: 40px;
}

.ai-hub {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 64px;
    padding: 64px 48px;
    border-radius: 28px;
    border: 1px solid var(--ai-line);
    background:
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(var(--ai-accent-rgb), 0.08), transparent 70%),
        #070B14;
    overflow: hidden;
}

.ai-hub::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    pointer-events: none;
}

.ai-hub-row {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

.ai-tool {
    position: relative;
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid var(--ai-line-strong);
    background: rgba(11, 18, 32, 0.9);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ai-ink-2);
    transition: color 0.3s ease, border-color 0.3s ease, transform 0.4s var(--ai-ease);
}

.ai-tool:hover {
    color: var(--ai-ink);
    border-color: rgba(var(--ai-accent-rgb), 0.45);
    transform: translateY(-2px);
}

/* Connector from each tool to the AI layer */
.ai-tool::after {
    content: '';
    position: absolute;
    left: 50%;
    width: 1px;
    height: 64px;
    background: linear-gradient(var(--dir, 180deg), rgba(var(--ai-accent-rgb), 0.35), rgba(var(--ai-accent-rgb), 0.02));
    background-size: 100% 200%;
}

.ai-hub-row--top .ai-tool::after {
    top: 100%;
}

.ai-hub-row--bottom .ai-tool::after {
    bottom: 100%;
    --dir: 0deg;
}

.ai-tool::before {
    content: '';
    position: absolute;
    left: 50%;
    width: 3px;
    height: 14px;
    margin-left: -1px;
    border-radius: 2px;
    background: var(--ai-accent);
    box-shadow: 0 0 8px rgba(var(--ai-accent-rgb), 0.9);
    opacity: 0;
    animation: ai-drop 3.6s var(--ai-ease) infinite;
    animation-delay: var(--d, 0s);
}

.ai-hub-row--top .ai-tool::before {
    top: 100%;
}

.ai-hub-row--bottom .ai-tool::before {
    bottom: 100%;
    animation-name: ai-rise;
}

.ai-hub-row .ai-tool:nth-child(2) { --d: 0.6s; }
.ai-hub-row .ai-tool:nth-child(3) { --d: 1.2s; }
.ai-hub-row .ai-tool:nth-child(4) { --d: 1.8s; }
.ai-hub-row .ai-tool:nth-child(5) { --d: 2.4s; }
.ai-hub-row .ai-tool:nth-child(6) { --d: 3s; }
.ai-hub-row--bottom .ai-tool:nth-child(1) { --d: 0.3s; }
.ai-hub-row--bottom .ai-tool:nth-child(2) { --d: 0.9s; }
.ai-hub-row--bottom .ai-tool:nth-child(3) { --d: 1.5s; }
.ai-hub-row--bottom .ai-tool:nth-child(4) { --d: 2.1s; }
.ai-hub-row--bottom .ai-tool:nth-child(5) { --d: 2.7s; }

.ai-hub-layer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 32px;
    border-radius: 18px;
    background: linear-gradient(90deg, rgba(var(--ai-accent-rgb), 0.06), rgba(var(--ai-accent-rgb), 0.16), rgba(var(--ai-accent-rgb), 0.06)), #0A1322;
    border: 1px solid rgba(var(--ai-accent-rgb), 0.4);
    box-shadow: 0 0 0 6px rgba(var(--ai-accent-rgb), 0.04), 0 20px 60px -20px rgba(var(--ai-accent-rgb), 0.45);
    overflow: hidden;
}

.ai-hub-layer-scan {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30%;
    left: -30%;
    background: linear-gradient(90deg, transparent, rgba(var(--ai-accent-rgb), 0.18), transparent);
    animation: ai-scan 5s ease-in-out infinite;
}

.ai-hub-layer-label {
    position: relative;
    font-family: var(--ai-display);
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.ai-hub-layer-sub {
    position: relative;
    font-size: 0.8125rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ai-accent);
    font-weight: 600;
}

/* ========================================
   Levels
   ======================================== */
.ai-levels {
    background: linear-gradient(180deg, #05060A, #070B14);
    border-top: 1px solid var(--ai-line);
}

.ai-levels-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 80px;
    align-items: center;
}

.ai-levels-copy {
    position: sticky;
    top: 120px;
    align-self: start;
}

.ai-levels-statement {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--ai-line);
    font-family: var(--ai-display);
    font-size: clamp(1.375rem, 2.2vw, 1.75rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--ai-ink);
}

.ai-tiers {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ai-tier {
    position: relative;
    width: 100%;
    padding: 32px 36px;
    border-radius: 20px;
    border: 1px solid var(--ai-line-strong);
    background: var(--ai-panel);
    overflow: hidden;
}

.ai-tier::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--ai-accent);
    opacity: var(--bar, 0.35);
}

.ai-tier--1 { width: 84%; --bar: 0.35; }
.ai-tier--2 { width: 92%; --bar: 0.65; }
.ai-tier--3 {
    width: 100%;
    --bar: 1;
    border-color: rgba(var(--ai-accent-rgb), 0.35);
    background:
        radial-gradient(ellipse 60% 120% at 100% 0%, rgba(var(--ai-accent-rgb), 0.14), transparent 60%),
        linear-gradient(180deg, #0D1728, #080E1A);
    box-shadow: 0 30px 80px -30px rgba(var(--ai-accent-rgb), 0.35);
}

.ai-tier-level {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ai-ink-3);
    font-weight: 600;
    margin-bottom: 10px;
}

.ai-tier h3 {
    font-size: clamp(1.375rem, 2.2vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.ai-tier p {
    color: var(--ai-ink-2);
    font-size: 1rem;
    line-height: 1.65;
    max-width: 520px;
}

.ai-tier-link {
    position: relative;
    width: 1px;
    height: 44px;
    background: var(--ai-line-strong);
    overflow: hidden;
}

.ai-tier-link span {
    position: absolute;
    left: -1px;
    top: -40%;
    width: 3px;
    height: 40%;
    background: linear-gradient(transparent, var(--ai-accent));
    animation: ai-flow-y 2s ease-in infinite;
}

/* ========================================
   Why
   ======================================== */
.ai-principles {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--ai-line-strong);
}

.ai-principle {
    padding: 36px 28px 0 0;
    position: relative;
}

.ai-principle::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--ai-accent);
}

.ai-principle + .ai-principle {
    padding-left: 28px;
    border-left: 1px solid var(--ai-line);
}

.ai-principle + .ai-principle::before {
    left: 28px;
}

.ai-principle h3 {
    font-size: 1.375rem;
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 12px;
}

.ai-principle p {
    color: var(--ai-ink-2);
    font-size: 1rem;
    line-height: 1.65;
}

/* ========================================
   Final CTA
   ======================================== */
.ai-final {
    position: relative;
    padding: 160px 0;
    background: #030407;
    border-top: 1px solid var(--ai-line);
    overflow: hidden;
}

.ai-final-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 60% at 15% 30%, rgba(var(--ai-accent-rgb), 0.14), transparent 65%),
        radial-gradient(ellipse 40% 50% at 90% 90%, rgba(70, 110, 255, 0.1), transparent 65%);
    pointer-events: none;
}

.ai-final-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

.ai-final-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 72px;
    align-items: center;
}

.ai-final-title {
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    line-height: 1.04;
    font-weight: 800;
    letter-spacing: -0.035em !important;
    margin-bottom: 28px;
}

.ai-final-sub {
    font-family: var(--ai-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    color: var(--ai-ink);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.ai-final-text {
    color: var(--ai-ink-2);
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 40px;
}

.ai-form-card {
    padding: 40px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(15, 26, 42, 0.85), rgba(8, 13, 24, 0.9));
    border: 1px solid var(--ai-line-strong);
    box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
}

.ai-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.ai-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 24px;
}

.ai-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ai-field--full {
    grid-column: 1 / -1;
}

.ai-field label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ai-ink-2);
    letter-spacing: 0.01em;
}

.ai-field input,
.ai-field select,
.ai-field textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 10px;
    border: 1px solid var(--ai-line-strong);
    background: rgba(3, 4, 7, 0.7);
    color: var(--ai-ink);
    font-family: var(--ai-body);
    font-size: 1rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    appearance: none;
    -webkit-appearance: none;
}

.ai-field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%237D8AA8' stroke-width='1.5'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.ai-field select option {
    background: #0B1220;
}

.ai-field textarea {
    resize: vertical;
    min-height: 110px;
}

.ai-field input::placeholder,
.ai-field textarea::placeholder {
    color: #56627d;
}

.ai-field input:focus,
.ai-field select:focus,
.ai-field textarea:focus {
    outline: none;
    border-color: rgba(var(--ai-accent-rgb), 0.6);
    box-shadow: 0 0 0 4px rgba(var(--ai-accent-rgb), 0.1);
}

.ai-form-status {
    margin-top: 16px;
    font-size: 0.9375rem;
    min-height: 1.4em;
    color: var(--ai-ink-2);
}

.ai-form-status.is-success {
    color: var(--ai-accent);
}

.ai-form-status.is-error {
    color: #FF8A8A;
}

.ai-form.is-sending button[type="submit"] {
    opacity: 0.7;
    pointer-events: none;
}

/* ========================================
   Keyframes
   ======================================== */
@keyframes ai-breathe {
    0%, 100% { box-shadow: 0 0 0 4px rgba(0, 247, 212, 0.15); }
    50% { box-shadow: 0 0 0 7px rgba(0, 247, 212, 0.05); }
}

@keyframes ai-spin {
    to { transform: rotate(360deg); }
}

@keyframes ai-ripple {
    0% { transform: scale(0.85); opacity: 0.9; }
    100% { transform: scale(1.35); opacity: 0; }
}

@keyframes ai-flow-x {
    0% { left: -30%; }
    100% { left: 100%; }
}

@keyframes ai-flow-y {
    0% { top: -40%; }
    100% { top: 100%; }
}

@keyframes ai-drop {
    0% { transform: translateY(0); opacity: 0; }
    15% { opacity: 1; }
    70% { transform: translateY(50px); opacity: 1; }
    100% { transform: translateY(50px); opacity: 0; }
}

@keyframes ai-rise {
    0% { transform: translateY(0); opacity: 0; }
    15% { opacity: 1; }
    70% { transform: translateY(-50px); opacity: 1; }
    100% { transform: translateY(-50px); opacity: 0; }
}

@keyframes ai-scan {
    0% { left: -30%; }
    100% { left: 100%; }
}

@keyframes ai-ping {
    0% { box-shadow: 0 0 0 0 rgba(0, 247, 212, 0.6); }
    80%, 100% { box-shadow: 0 0 0 8px rgba(0, 247, 212, 0); }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1100px) {
    .ai-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ai-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ai-principles {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 48px;
    }

    .ai-principle:nth-child(3) {
        padding-left: 0;
        border-left: none;
    }

    .ai-principle:nth-child(3)::before {
        left: 0;
    }

    .ai-audit-panel {
        padding: 56px;
        gap: 48px;
    }
}

@media (max-width: 968px) {
    .ai-section {
        padding: 100px 0;
    }

    .ai-hero {
        padding: 180px 0 80px;
        min-height: 0;
    }

    .ai-hero-inner,
    .ai-audit-panel,
    .ai-levels-inner,
    .ai-final-inner {
        grid-template-columns: 1fr;
    }

    .ai-levels-copy {
        position: static;
    }

    .ai-statement-body {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .ai-manual-row > :nth-child(n+6) {
        display: none;
    }

    .ai-hub {
        padding: 48px 24px;
    }

    .ai-hub-layer {
        flex-direction: column;
        text-align: center;
    }

    .ai-final {
        padding: 110px 0;
    }
}

@media (max-width: 640px) {
    .ai-container {
        padding: 0 20px;
    }

    .ai-section {
        padding: 80px 0;
    }

    .ai-section-head {
        margin-bottom: 48px;
    }

    .ai-hero {
        padding-top: 160px;
    }

    .ai-hero-ctas .ai-btn {
        width: 100%;
    }

    .ai-btn {
        white-space: normal;
        text-align: center;
    }

    .ai-node {
        padding: 6px 9px;
        border-radius: 8px;
        gap: 5px;
    }

    .ai-node::before {
        width: 4px;
        height: 4px;
    }

    .ai-cards,
    .ai-steps,
    .ai-principles {
        grid-template-columns: 1fr;
    }

    .ai-card {
        min-height: 0;
    }

    .ai-principle,
    .ai-principle + .ai-principle {
        padding-left: 0;
        border-left: none;
    }

    .ai-principle + .ai-principle::before {
        left: 0;
    }

    .ai-principles {
        row-gap: 40px;
    }

    .ai-flow-stops li {
        font-size: 0.625rem;
        letter-spacing: 0.08em;
    }

    .ai-audit-panel {
        padding: 36px 22px;
        border-radius: 24px;
    }

    .ai-matrix {
        padding: 16px;
    }

    .ai-pin {
        font-size: 0.625rem;
        padding: 4px 8px 4px 18px;
    }

    .ai-pin::before {
        left: 7px;
    }

    .ai-manual-row > :nth-child(n+4) {
        display: none;
    }

    .ai-tier--1,
    .ai-tier--2,
    .ai-tier--3 {
        width: 100%;
    }

    .ai-tier {
        padding: 26px 24px;
    }

    .ai-tool {
        font-size: 0.8125rem;
        padding: 10px 14px;
    }

    .ai-tool::before,
    .ai-tool::after {
        display: none;
    }

    .ai-hub {
        gap: 28px;
    }

    .ai-form-card {
        padding: 26px 20px;
    }

    .ai-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-page *,
    .ai-page *::before,
    .ai-page *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }

    .ai-js .ai-reveal {
        opacity: 1;
        transform: none;
    }
}

/* App store buttons: hug the right edge and sit together so they clear the
   wider top banner on this page. Scale the group once instead of each button,
   which removes the dead space the per-button scale left between them. */
@media (min-width: 969px) {
    .app-store-nav {
        top: 20px;
        right: 8px;
        gap: 10px;
        transform: scale(0.6);
        transform-origin: top right;
    }

    .app-store-nav .app-download-btn {
        transform: none;
    }

    .app-store-nav .app-download-btn:hover {
        transform: translateY(-2px);
    }

    .app-store-nav .app-download-btn--coming-soon:hover,
    .app-store-nav .app-download-btn--coming-soon:focus-visible {
        transform: none;
    }
}