/* ==========================================================
    00. Base / shared tokens
    Range: whole page, typography, reusable shell
    ========================================================== */
    :root {
    --bg: #050814;
    --bg-2: #071124;
    --panel: rgba(15, 23, 42, 0.78);
    --panel-strong: rgba(17, 24, 45, 0.92);
    --panel-soft: rgba(20, 31, 58, 0.72);
    --ink: #f8fafc;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --muted-2: #64748b;
    --line: rgba(148, 163, 184, 0.18);
    --line-strong: rgba(125, 156, 255, 0.32);
    --cyan: #22d3ee;
    --cyan-strong: #06b6d4;
    --blue: #60a5fa;
    --blue-strong: #2563eb;
    --purple: #8b5cf6;
    --pink: #d946ef;
    --green: #34d399;
    --yellow: #fbbf24;
    --red: #fb7185;
    --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
    --glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.24),
                0 0 32px rgba(34, 211, 238, 0.12);
    --glow-purple: 0 0 0 1px rgba(139, 92, 246, 0.24),
                    0 0 38px rgba(139, 92, 246, 0.16);
    --radius: 28px;
    }

    * {
    box-sizing: border-box;
    }

    html {
    scroll-behavior: smooth;
    }

    html,
    body {
    overflow-x: hidden;
    }

    body {
    margin: 0;
    color: var(--text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Noto Sans JP",
        "Hiragino Sans",
        "Yu Gothic",
        sans-serif;
    line-height: 1.7;
    background:
        linear-gradient(rgba(96, 165, 250, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.035) 1px, transparent 1px),
        radial-gradient(circle at 16% 10%, rgba(139, 92, 246, 0.26), transparent 30rem),
        radial-gradient(circle at 88% 18%, rgba(34, 211, 238, 0.18), transparent 28rem),
        radial-gradient(circle at 50% 90%, rgba(217, 70, 239, 0.10), transparent 34rem),
        linear-gradient(180deg, #050814 0%, #071124 46%, #050814 100%);
    background-size:
        32px 32px,
        32px 32px,
        auto,
        auto,
        auto,
        auto;
    }

    body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(5, 8, 20, 0.14), rgba(5, 8, 20, 0.72)),
        radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.42) 100%);
    }

    a {
    color: inherit;
    text-decoration: none;
    }

    img {
    max-width: 100%;
    }

    h1,
    h2,
    h3,
    p {
    margin-top: 0;
    }

    .section-shell {
    width: min(1120px, calc(100% - 36px));
    margin-inline: auto;
    }

    .eyebrow {
    margin: 0 0 12px;
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    }

    .section-heading {
    max-width: 760px;
    margin: 0 auto 38px;
    text-align: center;
    }

    .section-heading--lp {
    max-width: 1140px;
    margin-bottom: 64px;
    }

    .section-heading h2 {
    margin-bottom: 18px;
    color: var(--ink);
    font-size: clamp(28px, 3.4vw, 46px);
    line-height: 1.24;
    font-weight: 900;
    letter-spacing: -0.055em;
    }

    .section-heading p:not(.eyebrow) {
    max-width: 1140px;
    margin: 0 auto;
    color: rgba(203, 213, 225, 0.84);
    font-size: 16px;
    line-height: 1.85;
    font-weight: 500;
    overflow-wrap: anywhere;
    }

    /* ==========================================================
    01. Header / global navigation
    Range: site-header, nav, header CTA
    ========================================================== */
    .site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(18px, 5vw, 72px);
    background: rgba(5, 8, 20, 0.74);
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    backdrop-filter: blur(18px);
    }

    .brand,
    .footer-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: var(--ink);
    }

    .brand-logo {
    display: block;
    width: auto;
    height: 34px;
    max-width: 150px;
    }

    .site-nav {
    display: flex;
    gap: 24px;
    color: var(--muted);
    font-size: 13px;
    white-space: nowrap;
    }

    .site-nav a,
    .footer-nav a,
    .footer-bottom a {
    transition:
        color 0.18s ease,
        transform 0.18s ease;
    }

    .site-nav a:hover,
    .footer-nav a:hover,
    .footer-bottom a:hover {
    color: var(--cyan);
    }

    .header-cta,
    .btn,
    .contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 900;
    white-space: nowrap;
    }

    .header-cta {
    padding: 10px 18px;
    color: var(--ink);
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(34, 211, 238, 0.38);
    box-shadow: var(--glow-cyan);
    font-size: 13px;
    }

    /* ==========================================================
    02. Hero / first-view
    Range: free label, hero copy, hero screenshot
    ========================================================== */
    .hero {
    min-height: 680px;
    display: grid;
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 58px;
    padding: 72px 0 42px;
    }

    .hero-copy {
    width: 100%;
    min-width: 0;
    }

    .free-note {
    display: inline-flex;
    align-items: center;
    margin: 0 0 16px;
    padding: 8px 13px;
    border-radius: 999px;
    color: #020617;
    background: linear-gradient(135deg, var(--yellow), var(--cyan));
    box-shadow:
        0 16px 38px rgba(34, 211, 238, 0.18),
        0 0 0 1px rgba(255, 255, 255, 0.12) inset;
    font-size: 13px;
    font-weight: 900;
    }

    h1 {
    margin-bottom: 24px;
    color: var(--ink);
    font-size: clamp(38px, 5.4vw, 68px);
    line-height: 1.12;
    letter-spacing: -0.055em;
    }

    .hero-lead {
    max-width: 620px;
    color: var(--muted);
    font-size: 17px;
    overflow-wrap: anywhere;
    }

    .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
    }

    .btn {
    min-height: 46px;
    padding: 0 22px;
    font-size: 14px;
    }

    .btn-primary,
    .contact-btn {
    color: #020617;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    box-shadow:
        0 16px 38px rgba(34, 211, 238, 0.20),
        0 0 0 1px rgba(255, 255, 255, 0.12) inset;
    }

    .btn-secondary {
    color: var(--ink);
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: var(--glow-purple);
    }

    .hero-metrics {
    display: flex;
    gap: 14px;
    padding: 0;
    margin: 38px 0 0;
    list-style: none;
    }

    .hero-metrics li {
    min-width: 0;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid var(--line);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.22);
    }

    .hero-metrics strong {
    display: block;
    color: var(--ink);
    font-size: 22px;
    line-height: 1;
    }

    .hero-metrics span {
    color: var(--muted);
    font-size: 12px;
    }

    .hero-metrics .metric-ai {
    border-color: rgba(34, 211, 238, 0.42);
    box-shadow:
        0 18px 54px rgba(0, 0, 0, 0.22),
        0 0 34px rgba(34, 211, 238, 0.14);
    }

    .hero-metrics .metric-ai strong {
    color: var(--cyan);
    }

    .hero-metrics .metric-custom {
    border-color: rgba(139, 92, 246, 0.46);
    box-shadow:
        0 18px 54px rgba(0, 0, 0, 0.22),
        0 0 34px rgba(139, 92, 246, 0.16);
    }

    .hero-metrics .metric-custom strong {
    color: #a78bfa;
    }

    .hero-metrics .metric-work {
    border-color: rgba(251, 191, 36, 0.38);
    box-shadow:
        0 18px 54px rgba(0, 0, 0, 0.22),
        0 0 34px rgba(251, 191, 36, 0.12);
    }

    .hero-metrics .metric-work strong {
    color: var(--yellow);
    }

    .hero-visual {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    perspective: 1200px;
    }

    .hero-product-frame,
    .product-showcase__image,
    .custom-fit-visual {
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
    padding: 10px;
    border-radius: 30px;
    background:
        linear-gradient(rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        rgba(15, 23, 42, 0.72);
    background-size: 24px 24px;
    border: 1px solid rgba(125, 156, 255, 0.34);
    box-shadow:
        0 34px 110px rgba(0, 0, 0, 0.50),
        0 0 74px rgba(34, 211, 238, 0.12),
        0 0 120px rgba(139, 92, 246, 0.10);
    }

    .hero-product-frame {
    transform: rotateY(-7deg) rotateX(3deg);
    }

    .hero-product-frame::before,
    .product-showcase__image::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: 0;
    pointer-events: none;
    border-radius: inherit;
    background:
        radial-gradient(circle at 12% 8%, rgba(34, 211, 238, 0.22), transparent 16rem),
        radial-gradient(circle at 92% 82%, rgba(139, 92, 246, 0.24), transparent 18rem);
    }

    .hero-product-frame img,
    .product-showcase__image img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: auto;
    border-radius: 22px;
    border: 1px solid rgba(148, 163, 184, 0.20);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
    }

    .product-name {
    display: inline-block;
    font-size: 1.2em;
    color: var(--cyan);
    letter-spacing: 0.05em;
    }

    .hero-catch {
    margin-top: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    }

    /* ==========================================================
    03. Issues / target problems
    Range: problem section and issue cards
    ========================================================== */
    .problem {
    padding: 72px 0 92px;
    text-align: center;
    }

    .problem-grid,
    .solution-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    }

    .problem-grid article,
    .solution-grid article {
    position: relative;
    overflow: hidden;
    min-height: 250px;
    padding: 34px 30px 32px;
    border-radius: 26px;
    text-align: left;
    background:
        radial-gradient(circle at 16% 0%, rgba(34, 211, 238, 0.10), transparent 15rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
    border: 1px solid rgba(125, 156, 255, 0.24);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .problem-grid small,
    .solution-grid small,
    .analysis-card__copy small {
    display: inline-flex;
    align-items: center;
    margin-bottom: 18px;
    padding: 5px 10px;
    border-radius: 999px;
    color: #67e8f9;
    background: rgba(34, 211, 238, 0.10);
    border: 1px solid rgba(34, 211, 238, 0.20);
    font-size: 11px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: 0.11em;
    }

    .problem-grid strong,
    .solution-grid strong {
    display: block;
    margin-bottom: 22px;
    color: var(--ink);
    font-size: clamp(17px, 1.55vw, 19px);
    line-height: 1.36;
    font-weight: 900;
    letter-spacing: -0.035em;
    }

    .problem-grid span,
    .solution-grid span {
    display: block;
    color: rgba(203, 213, 225, 0.80);
    font-size: 15px;
    line-height: 1.85;
    font-weight: 500;
    }

    /* ==========================================================
    04. Solution / value proposition
    Range: solution cards
    ========================================================== */
    .solution {
    padding: 18px 0 96px;
    }

    .solution-grid article {
    border-color: rgba(34, 211, 238, 0.24);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.24),
        0 0 42px rgba(34, 211, 238, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .solution-grid article:nth-child(2) {
    border-color: rgba(96, 165, 250, 0.25);
    background:
        radial-gradient(circle at 16% 0%, rgba(96, 165, 250, 0.12), transparent 15rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
    }

    .solution-grid article:nth-child(3) {
    border-color: rgba(139, 92, 246, 0.28);
    background:
        radial-gradient(circle at 16% 0%, rgba(139, 92, 246, 0.14), transparent 15rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
    }

    /* ==========================================================
    05. Product View + AI Search / screenshot sections
    Range: product-view, ai-search, showcase cards
    ========================================================== */
    .product-view,
    .ai-search {
    padding: 88px 0 104px;
    }

    .product-showcase,
    .custom-fit-showcase {
    display: grid;
    align-items: center;
    gap: 34px;
    }

    .product-showcase {
    grid-template-columns: 1.15fr 0.85fr;
    }

    .product-showcase--reverse {
    grid-template-columns: 0.85fr 1.15fr;
    }

    .product-showcase--reverse .product-showcase__copy {
    order: 1;
    }

    .product-showcase--reverse .product-showcase__image {
    order: 2;
    }

    .product-showcase__copy,
    .custom-fit-copy {
    display: grid;
    gap: 16px;
    }

    .product-showcase__copy article,
    .custom-fit-copy article {
    padding: 24px;
    border-radius: 22px;
    background:
        radial-gradient(circle at 16% 0%, rgba(34, 211, 238, 0.09), transparent 12rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.84), rgba(15, 23, 42, 0.64));
    border: 1px solid rgba(125, 156, 255, 0.22);
    box-shadow:
        0 18px 54px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .product-showcase__copy small,
    .custom-fit-copy small {
    display: block;
    margin-bottom: 10px;
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    }

    .custom-fit-copy small {
    color: #c4b5fd;
    }

    .product-showcase__copy strong,
    .custom-fit-copy strong,
    .analysis-card__copy strong {
    display: block;
    margin-bottom: 8px;
    color: var(--ink);
    font-size: 18px;
    line-height: 1.4;
    font-weight: 900;
    letter-spacing: -0.03em;
    }

    .product-showcase__copy span,
    .custom-fit-copy span,
    .analysis-card__copy span {
    display: block;
    color: rgba(203, 213, 225, 0.80);
    font-size: 14px;
    line-height: 1.75;
    font-weight: 500;
    }

    /* ==========================================================
    06. Analysis / visualization cards
    Range: analysis section and three image cards
    ========================================================== */
    .analysis {
    padding: 88px 0 108px;
    }

    .analysis-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    }

    .analysis-grid article {
    min-width: 0;
    overflow: hidden;
    border-radius: 26px;
    background:
        radial-gradient(circle at 16% 0%, rgba(34, 211, 238, 0.10), transparent 15rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
    border: 1px solid rgba(125, 156, 255, 0.24);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .analysis-card__image {
    height: 220px;
    overflow: hidden;
    padding: 10px;
    background:
        linear-gradient(rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        rgba(15, 23, 42, 0.72);
    background-size: 24px 24px;
    border-bottom: 1px solid rgba(125, 156, 255, 0.20);
    }

    .analysis-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
    }

    .analysis-card__copy {
    padding: 24px 24px 28px;
    }

    .analysis-card__copy strong {
    margin-bottom: 10px;
    }

    /* ==========================================================
    07. Custom Fit / architecture diagram
    Range: custom-fit text cards and architecture map
    ========================================================== */
    .custom-fit {
    padding: 88px 0 112px;
    }

    .custom-fit-showcase {
    grid-template-columns: 0.86fr 1.14fr;
    }

    .custom-fit-copy article {
    background:
        radial-gradient(circle at 16% 0%, rgba(139, 92, 246, 0.10), transparent 12rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.84), rgba(15, 23, 42, 0.64));
    border-color: rgba(139, 92, 246, 0.24);
    }

    .architecture-map {
    position: relative;
    overflow: hidden;
    min-height: 460px;
    padding: 26px 28px 30px;
    border-radius: 24px;
    background:
        linear-gradient(rgba(96, 165, 250, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.055) 1px, transparent 1px),
        radial-gradient(circle at 22% 12%, rgba(34, 211, 238, 0.18), transparent 18rem),
        radial-gradient(circle at 84% 88%, rgba(139, 92, 246, 0.22), transparent 22rem),
        rgba(7, 17, 36, 0.86);
    background-size: 24px 24px;
    border: 1px solid rgba(125, 156, 255, 0.24);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .architecture-map::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 118px;
    bottom: 46px;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(
        180deg,
        rgba(34, 211, 238, 0),
        rgba(34, 211, 238, 0.74),
        rgba(139, 92, 246, 0.64),
        rgba(139, 92, 246, 0)
    );
    box-shadow:
        0 0 20px rgba(34, 211, 238, 0.24),
        0 0 42px rgba(139, 92, 246, 0.14);
    }

    .architecture-node {
    position: relative;
    z-index: 2;
    border-radius: 16px;
    background:
        radial-gradient(circle at 14% 0%, rgba(34, 211, 238, 0.10), transparent 10rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.74));
    border: 1px solid rgba(125, 156, 255, 0.24);
    box-shadow:
        0 16px 44px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .architecture-node small {
    display: block;
    margin-bottom: 7px;
    color: #67e8f9;
    font-size: 9px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: 0.14em;
    }

    .architecture-node strong {
    display: block;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.28;
    font-weight: 900;
    letter-spacing: -0.025em;
    overflow-wrap: anywhere;
    }

    .architecture-node span {
    display: block;
    margin-top: 6px;
    color: rgba(203, 213, 225, 0.72);
    font-size: 11px;
    line-height: 1.5;
    font-weight: 600;
    }

    .architecture-node--entry {
    width: min(390px, 100%);
    margin: 0 auto 28px;
    padding: 18px 22px;
    text-align: center;
    border-radius: 20px;
    border-color: rgba(34, 211, 238, 0.44);
    background:
        radial-gradient(circle at 20% 0%, rgba(34, 211, 238, 0.18), transparent 12rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.78));
    box-shadow:
        0 22px 70px rgba(0, 0, 0, 0.30),
        0 0 54px rgba(34, 211, 238, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }

    .architecture-node--entry small {
    font-size: 10px;
    letter-spacing: 0.18em;
    }

    .architecture-node--entry strong {
    font-size: clamp(19px, 2vw, 24px);
    line-height: 1.16;
    white-space: nowrap;
    }

    .architecture-node--entry span {
    margin-top: 9px;
    color: rgba(203, 213, 225, 0.76);
    font-size: 13px;
    }

    .architecture-branches {
    position: relative;
    display: grid;
    gap: 12px;
    max-width: 560px;
    margin: 0 auto;
    }

    .architecture-lane {
    position: relative;
    display: block;
    padding: 0;
    }

    .architecture-lane::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 3;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    background: rgba(34, 211, 238, 0.94);
    box-shadow:
        0 0 0 5px rgba(34, 211, 238, 0.10),
        0 0 22px rgba(34, 211, 238, 0.38);
    }

    .architecture-lane::after {
    content: "";
    position: absolute;
    top: 50%;
    z-index: 1;
    width: 42px;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, rgba(34, 211, 238, 0.82), rgba(139, 92, 246, 0.68));
    box-shadow: 0 0 18px rgba(34, 211, 238, 0.22);
    }

    .architecture-lane:nth-child(odd) {
    padding-right: calc(50% + 42px);
    }

    .architecture-lane:nth-child(odd)::after {
    left: calc(50% - 42px);
    }

    .architecture-lane:nth-child(even) {
    padding-left: calc(50% + 42px);
    }

    .architecture-lane:nth-child(even)::after {
    left: 50%;
    }

    .architecture-lane:nth-child(odd) .architecture-node--main {
    margin-left: auto;
    }

    .architecture-lane:nth-child(even) .architecture-node--main {
    margin-right: auto;
    border-color: rgba(139, 92, 246, 0.32);
    background:
        radial-gradient(circle at 14% 0%, rgba(139, 92, 246, 0.13), transparent 10rem),
        linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.74));
    }

    .architecture-node--main {
    width: 100%;
    min-height: 88px;
    padding: 16px 18px;
    border-color: rgba(34, 211, 238, 0.30);
    }

    .architecture-node--main strong {
    font-size: clamp(13px, 1.15vw, 15px);
    line-height: 1.25;
    }

    .architecture-node--main span {
    font-size: 10.8px;
    line-height: 1.45;
    }

    /* ==========================================================
    08. Contact / conversion
    Range: contact card and final CTA
    ========================================================== */
    .contact {
    position: relative;
    overflow: hidden;
    margin-top: 72px;
    margin-bottom: 92px;
    padding: 1px;
    border-radius: 32px;
    background:
        linear-gradient(135deg, rgba(34, 211, 238, 0.46), rgba(139, 92, 246, 0.40), rgba(34, 211, 238, 0.18));
    box-shadow:
        0 34px 110px rgba(0, 0, 0, 0.42),
        0 0 74px rgba(34, 211, 238, 0.10),
        0 0 120px rgba(139, 92, 246, 0.10);
    }

    .contact::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 12% 18%, rgba(34, 211, 238, 0.20), transparent 22rem),
        radial-gradient(circle at 86% 74%, rgba(139, 92, 246, 0.28), transparent 24rem);
    }

    .contact-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 42px;
    padding: 46px 48px;
    border-radius: 31px;
    background:
        linear-gradient(rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.045) 1px, transparent 1px),
        linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(17, 24, 45, 0.86));
    background-size: 24px 24px;
    }

    .contact-copy {
    max-width: 760px;
    }

    .contact-copy .eyebrow {
    margin-bottom: 16px;
    }

    .contact-copy h2 {
    margin-bottom: 18px;
    color: var(--ink);
    font-size: clamp(30px, 3.4vw, 46px);
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: -0.055em;
    }

    .contact-copy p {
    max-width: 720px;
    margin: 0;
    color: rgba(203, 213, 225, 0.84);
    font-size: 15.5px;
    line-height: 1.9;
    font-weight: 500;
    overflow-wrap: anywhere;
    }

    .contact-action {
    display: grid;
    justify-items: end;
    min-width: 230px;
    }

    .contact-btn {
    min-height: 52px;
    padding: 0 26px;
    font-size: 14px;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease;
    }

    .contact-btn:hover {
    transform: translateY(-1px);
    box-shadow:
        0 22px 56px rgba(34, 211, 238, 0.28),
        0 0 0 1px rgba(255, 255, 255, 0.18) inset;
    }

    /* ==========================================================
    09. Footer / site links
    Range: site-footer
    ========================================================== */
    .site-footer {
    position: relative;
    overflow: hidden;
    padding: 34px 0 30px;
    color: rgba(148, 163, 184, 0.72);
    }

    .site-footer::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 1px;
    background: linear-gradient(
        90deg,
        rgba(34, 211, 238, 0),
        rgba(34, 211, 238, 0.28),
        rgba(139, 92, 246, 0.26),
        rgba(34, 211, 238, 0)
    );
    }

    .site-footer::after {
    content: "";
    position: absolute;
    left: 50%;
    top: -120px;
    width: min(760px, 90vw);
    height: 220px;
    transform: translateX(-50%);
    pointer-events: none;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08), rgba(139, 92, 246, 0.04) 42%, transparent 72%);
    filter: blur(4px);
    }

    .footer-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 28px;
    }

    .footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    }

    .footer-logo img {
    display: block;
    width: auto;
    height: 28px;
    max-width: 126px;
    opacity: 0.72;
    filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.08));
    }

    .footer-brand span {
    color: rgba(203, 213, 225, 0.54);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
    }

    .footer-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    }

    .footer-nav a,
    .footer-bottom a {
    color: rgba(203, 213, 225, 0.62);
    font-size: 12px;
    font-weight: 800;
    }

    .footer-nav a:hover,
    .footer-bottom a:hover {
    transform: translateY(-1px);
    }

    .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    color: rgba(148, 163, 184, 0.56);
    font-size: 12px;
    font-weight: 700;
    }

    /* ==========================================================
    10. Scroll reveal / JS-controlled fade-in
    Range: elements receiving .reveal-ready from scroll script
    ========================================================== */
    .reveal-ready {
    opacity: 0;
    transform: translateY(14px);
    transition:
        opacity 0.48s ease,
        transform 0.48s ease;
    transition-delay: var(--reveal-delay, 0ms);
    }

    .reveal-ready.is-visible {
    opacity: 1;
    transform: translateY(0);
    }

    .site-footer {
    opacity: 1;
    transform: none;
    }

    /* ==========================================================
    11. Tablet layout
    Range: <= 900px
    ========================================================== */
    @media (max-width: 900px) {
    .site-header {
        flex-wrap: wrap;
        gap: 12px 18px;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 16px;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .hero {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 40px;
        padding-top: 64px;
    }

    .hero-product-frame {
        transform: none;
    }

    .problem-grid,
    .solution-grid,
    .analysis-grid {
        grid-template-columns: 1fr;
    }

    .problem-grid article,
    .solution-grid article {
        min-height: auto;
    }

    .product-showcase,
    .product-showcase--reverse,
    .custom-fit-showcase {
        grid-template-columns: 1fr;
    }

    .product-showcase--reverse .product-showcase__copy,
    .product-showcase--reverse .product-showcase__image {
        order: initial;
    }

    .architecture-map {
        min-height: auto;
        padding: 20px;
    }

    .architecture-map::before,
    .architecture-lane::before,
    .architecture-lane::after {
        display: none;
    }

    .architecture-node--entry {
        width: auto;
        margin-bottom: 18px;
    }

    .architecture-node--entry strong {
        white-space: normal;
    }

    .architecture-branches {
        max-width: none;
    }

    .architecture-lane,
    .architecture-lane:nth-child(odd),
    .architecture-lane:nth-child(even) {
        padding: 0;
    }

    .architecture-lane:nth-child(odd) .architecture-node--main,
    .architecture-lane:nth-child(even) .architecture-node--main {
        margin: 0;
    }

    .architecture-node--main {
        min-height: auto;
    }

    .contact-inner {
        grid-template-columns: 1fr;
        padding: 34px 28px;
    }

    .contact-action {
        justify-items: start;
        min-width: 0;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        gap: 18px;
    }

    .footer-brand {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-nav {
        flex-wrap: wrap;
        gap: 14px 18px;
    }

    .footer-bottom {
        justify-content: center;
        flex-wrap: wrap;
    }
    }

    /* ==========================================================
    12. Mobile layout
    Range: <= 560px
    ========================================================== */
    @media (max-width: 560px) {
    .section-shell {
        width: min(100% - 28px, 1120px);
    }

    .site-header {
        padding: 14px;
    }

    .brand-logo {
        height: 30px;
    }

    .header-cta {
        padding: 9px 14px;
        font-size: 12px;
    }

    .site-nav {
        gap: 14px;
        font-size: 12px;
    }

    .hero {
        padding: 50px 0 46px;
    }

    h1 {
        font-size: 40px;
    }

    .hero-lead,
    .section-heading p:not(.eyebrow),
    .contact-copy p {
        font-size: 14.5px;
    }

    .hero-lead br,
    .section-heading h2 br,
    .section-heading p br {
        display: none;
    }

    .hero-actions,
    .hero-metrics {
        display: grid;
        grid-template-columns: 1fr;
    }

    .btn,
    .contact-btn {
        width: 100%;
    }

    .hero-metrics strong {
        font-size: 20px;
    }

    .problem,
    .solution,
    .product-view,
    .ai-search,
    .analysis,
    .custom-fit {
        padding: 58px 0;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2,
    .contact-copy h2 {
        font-size: 30px;
    }

    .problem-grid article,
    .solution-grid article,
    .product-showcase__copy article,
    .custom-fit-copy article {
        padding: 24px 22px;
        border-radius: 22px;
    }

    .hero-product-frame,
    .product-showcase__image,
    .custom-fit-visual {
        padding: 8px;
        border-radius: 22px;
    }

    .hero-product-frame img,
    .product-showcase__image img {
        border-radius: 16px;
    }

    .analysis-card__image {
        height: 190px;
    }

    .contact {
        margin-top: 56px;
        margin-bottom: 72px;
    }

    .contact-inner {
        padding: 30px 22px;
    }

    .site-footer {
        padding: 30px 0 28px;
    }

    .footer-brand span {
        width: 100%;
        font-size: 10px;
    }

    .footer-nav {
        display: none;
    }
    }

    @media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal-ready {
        opacity: 1;
        transform: none;
        transition: none;
    }
    }