/* ═══════════════════════════════════════
     RAILLY DESIGN SYSTEM · Chrome × Ghost Teal  v2
     Art Direction pass: #1–15 applied
  ════════════════════════════════════════ */
:root {
    --bg-deeper: #0A0E16; /* NEW: coldest bg — Problem section */
    --bg-deep: #0C1018;
    --bg-main: #10141E;
    --bg-elevated: #1A2230;
    --bg-card: #192030;

    --steel-gradient: linear-gradient(148deg,
    #7A94AE 0%, #C4D8EC 28%, #9AAEC4 52%, #E0F2FF 74%, #7890A8 100%
    );
    --steel-h: linear-gradient(90deg,
    #7A94AE 0%, #C4D8EC 30%, #E0F2FF 60%, #9AAEC4 100%
    );

    --accent: #4A9490;
    --accent-light: #7ABCB8;
    --accent-subtle: rgba(74, 148, 144, 0.10);
    --accent-border: rgba(74, 148, 144, 0.20);
    --accent-glow: rgba(74, 148, 144, 0.32);

    --electric: #00C8AA;
    --electric-dim: rgba(0, 200, 170, 0.12);
    --electric-border: rgba(0, 200, 170, 0.25);
    --electric-glow: rgba(0, 200, 170, 0.40);

    --text-primary: #E8EEF4;
    --text-secondary: rgba(180, 208, 208, 0.70);
    --text-muted: rgba(160, 195, 195, 0.45);
    --text-faint: rgba(160, 195, 195, 0.22);

    --glass: rgba(255, 255, 255, 0.035);
    --glass-border: rgba(255, 255, 255, 0.065);
    --glass-teal: rgba(74, 148, 144, 0.08);

    --border-soft: rgba(170, 200, 200, 0.06);
    --border-mid: rgba(170, 200, 200, 0.10);

    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

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

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(12, 16, 24, .88);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--border-soft);
}

.header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 66px;
}

.header .logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header .logo__img {
    height: 30px;
    width: 72px;
    display: block;
}

.hero-svg-col {
    position: relative;
    justify-content: center;
    align-items: center;
}


.hero-svg-col > div {
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 200, 170, .13) 0%, transparent 70%);
    animation: orbBreath 5s ease-in-out infinite;
    pointer-events: none;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── STEEL TEXT — reserved for H1 only (#6) ─── */
.steel {
    background: var(--steel-h);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.elec {
    color: var(--electric);
}

.accent-text {
    color: var(--accent-light);
}

/* ─── LAYOUT ─── */
.wrap {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ─── SECTION LABEL ─── */
.s-label {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .11em;
    text-transform: uppercase;
    color: var(--accent-light);
    background: var(--accent-subtle);
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    padding: 4px 13px;
}

.s-label::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--electric);
}

/* ─── HEADINGS ─── */
/* #3: H1 oversized — bigger, more impact */
.h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
    font-size: clamp(3.4rem, 7.8vw, 6.4rem);
    line-height: 1.02;
    letter-spacing: -.035em;
    color: var(--text-primary);
}

.h2 {
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.12;
    letter-spacing: -.025em;
}

.h3 {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -.01em;
    color: var(--text-primary);
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--r-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--glass-teal);
    border-color: var(--accent-border);
    color: rgba(255, 255, 255, .92);
    box-shadow: 0 4px 22px rgba(74, 148, 144, .18);
}

.btn-primary:hover {
    background: rgba(74, 148, 144, .18);
    border-color: rgba(74, 148, 144, .35);
    box-shadow: 0 4px 32px rgba(0, 200, 170, .22);
    transform: translateY(-1px);
}

.btn-ghost {
    background: rgba(255, 255, 255, .05);
    border-color: rgba(255, 255, 255, .09);
    color: rgba(255, 255, 255, .76);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .14);
}

/* ─── GLASS CARD ─── */
.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: 28px;
    transition: border-color .2s, transform .18s;
}

.card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
}

.card-teal {
    background: var(--glass-teal);
    border-color: var(--accent-border);
}

.card-elec {
    background: var(--electric-dim);
    border: 1px solid var(--electric-border);
}

/* #5: Monetization card 3 — steel treatment */
.card-steel {
    background: linear-gradient(148deg, rgba(122, 148, 174, .10) 0%, rgba(10, 14, 22, .04) 100%);
    border-color: rgba(196, 216, 236, .18);
}

.card-steel:hover {
    border-color: rgba(196, 216, 236, .32);
    transform: translateY(-2px);
}

/* ─── DIVIDER ─── */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-mid), transparent);
}


/* ─── PULSE DOT ─── */
.pulse {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--electric);
    animation: pulse 2.2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 200, 170, .5);
    }
    70% {
        box-shadow: 0 0 0 9px rgba(0, 200, 170, .0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 200, 170, .0);
    }
}

/* ─── CODE BLOCK ─── */
.code {
    background: rgba(0, 0, 0, .5);
    border: 1px solid var(--border-mid);
    border-radius: var(--r-md);
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 12.5px;
    line-height: 1.85;
    overflow: hidden;
    background: var(--glass-teal);
    border-color: var(--accent-border);
}

/* #4: Mac window chrome */
.mac-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px 9px;
    border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.mac-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.mac-title {
    margin-left: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 11.5px;
    color: var(--text-muted);
    letter-spacing: .01em;
}

.code-body {
    padding: 18px 22px;
}

.ck {
    color: #7ABCB8;
}

.cv {
    color: #00C8AA;
}

.cs {
    color: rgba(196, 216, 236, .75);
}

.cc {
    color: rgba(160, 195, 195, .32);
}

/* ─── TAG CHIP ─── */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 600;
}

.chip-teal {
    background: var(--accent-subtle);
    color: var(--accent-light);
    border: 1px solid var(--accent-border);
}

.chip-elec {
    background: var(--electric-dim);
    color: var(--electric);
    border: 1px solid var(--electric-border);
}

.chip-steel {
    background: rgba(122, 148, 174, .1);
    color: #C4D8EC;
    border: 1px solid rgba(196, 216, 236, .18);
}

/* ─── STEP RING ─── */
.step-ring {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-teal);
    border: 1.5px solid var(--accent-border);
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--accent-light);
    flex-shrink: 0;
}

/* ─── COUNTRY TAG ─── */
.ctag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border-mid);
    color: var(--text-secondary);
}

/* ─── SVG ICON WRAPPER ─── */
.icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.icon-box-teal {
    background: var(--accent-subtle);
    border: 1px solid var(--accent-border);
}

.icon-box-elec {
    background: var(--electric-dim);
    border: 1px solid var(--electric-border);
}

.icon-box-glass {
    background: var(--glass);
    border: 1px solid var(--glass-border);
}

.icon-box-steel {
    background: rgba(122, 148, 174, .10);
    border: 1px solid rgba(196, 216, 236, .18);
}

/* ─── SCROLL REVEAL ─── */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s, transform .6s;
}

.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

.reveal.d1 {
    transition-delay: .07s;
}

.reveal.d2 {
    transition-delay: .14s;
}

.reveal.d3 {
    transition-delay: .21s;
}

.reveal.d4 {
    transition-delay: .28s;
}

.reveal.d5 {
    transition-delay: .35s;
}

/* ─── SVG NETWORK ANIMATIONS — unified timings (#15) ─── */
@keyframes nodeGlow {
    0%, 100% {
        filter: drop-shadow(0 0 3px rgba(0, 200, 170, .4));
    }
    50% {
        filter: drop-shadow(0 0 9px rgba(0, 200, 170, .85));
    }
}

@keyframes ringPulse {
    0% {
        r: 8px;
        opacity: .7;
    }
    70% {
        r: 18px;
        opacity: 0;
    }
    100% {
        r: 18px;
        opacity: 0;
    }
}

@keyframes dashFlow {
    from {
        stroke-dashoffset: 120;
    }
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes hubSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* #15: floatY unified to 4s base */
@keyframes floatY {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes orbBreath {
    0%, 100% {
        opacity: .45;
        transform: scale(1);
    }
    50% {
        opacity: .7;
        transform: scale(1.06);
    }
}

/* #10: dotScroll fixed — vertical translateY, no rotate hack */
@keyframes dotScroll {
    0% {
        transform: translateY(-2px);
        opacity: 0;
    }
    12% {
        opacity: 1;
    }
    88% {
        opacity: 1;
    }
    100% {
        transform: translateY(52px);
        opacity: 0;
    }
}

/* stat number glow */
.stat-glow {
    filter: drop-shadow(0 0 18px rgba(0, 200, 170, .35));
}

/* ─── TRAIN ROLL (Hero rail D) ─── */
@keyframes trainRoll {
    0% {
        transform: translateX(-20px);
        opacity: 0;
    }
    4% {
        opacity: 1;
    }
    96% {
        opacity: 1;
    }
    100% {
        transform: translateX(2200px);
        opacity: 0;
    }
}

/* ─── P2P LIVE TICKER (#7) ─── */
@keyframes tickerFlow {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    15% {
        opacity: 1;
        transform: translateY(0);
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-8px);
    }
}

/* ─── GRID CLASSES (for mobile overrides) ─── */
.hero-grid {
    display: grid;
    grid-template-columns:1fr 460px;
    gap: 56px;
    align-items: center;
}

.prob-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 14px;
}

.sol-grid {
    display: grid;
    grid-template-columns:1fr 1fr 1fr 1.4fr;
    gap: 14px;
    align-items: stretch;
}

.bento-grid {
    display: grid;
    grid-template-columns:repeat(12, 1fr);
    grid-template-rows:auto auto;
    gap: 14px;
}

.mono-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 14px;
}

.steps-grid {
    display: grid;
    grid-template-columns:1fr 1fr 1fr;
    gap: 14px;
    position: relative;
}

.trust-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 14px;
}

.api-strip-grid {
    display: grid;
    grid-template-columns:200px 1px 1fr 1px 1fr 1px 1fr;
    align-items: center;
    gap: 0;
}

.footer {
    background: var(--bg-deep);
    padding: 52px 0 32px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 44px;
}

@media (max-width: 1420px) {
    .hero-grid {
        grid-template-columns:1fr;
        gap: 36px;
    }
}

/* ─── MOBILE BREAKPOINTS (#9) ─── */
@media (max-width: 860px) {
    .sol-grid {
        grid-template-columns:1fr 1fr;
        gap: 12px;
    }
}

@media (max-width: 680px) {
    .wrap {
        padding: 0 16px;
    }

    .h1 {
        font-size: clamp(2.6rem, 8vw, 3.6rem);
    }

    .h2 {
        font-size: clamp(1.5rem, 5.5vw, 2rem);
    }

    .bento-grid {
        grid-template-columns:1fr;
        grid-template-rows:auto;
    }

    .bento-p2p {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }

    .bento-services {
        grid-column: span 1 !important;
    }

    .bento-qr {
        grid-column: span 1 !important;
        grid-template-columns:1fr !important;
    }

    .prob-grid {
        grid-template-columns:1fr;
    }

    .sol-grid {
        grid-template-columns:1fr;
    }

    .sol-grid > :last-child {
        grid-column: span 1;
    }

    .mono-grid {
        grid-template-columns:1fr;
    }

    .steps-grid {
        grid-template-columns:1fr;
    }

    .steps-connector {
        display: none !important;
    }

    .trust-grid {
        grid-template-columns:1fr;
    }

    .api-strip-grid {
        grid-template-columns:1fr;
        gap: 20px;
    }

    .api-vdiv {
        display: none !important;
    }

    nav.main-nav {
        display: none !important;
    }

    header .wrap {
        padding: 0 16px;
    }

    .hero-svg-col {
        display: none;
    }
}

@media (max-width: 420px) {
    .footer-container {
        flex-direction: column;
    }
}