/* ═══════════════════════════════════════════
   TAP-CHING  ·  Top-Tier Luxury Fintech
   iPhone mockups · GSAP · Orbiting icons
   ═══════════════════════════════════════════ */

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

:root {
    --g1: #D4A843;
    --g2: #F0D078;
    --g3: #E8C46A;
    --g4: #B8892A;
    --g5: #8A6820;
    --bg:  #060608;
    --bg2: #0B0B0F;
    --bg3: #111116;
    --card: #0E0E13;
    --card-h: #16161C;
    --w:  #F0EDE6;
    --w2: rgba(240,237,230,0.50);
    --w3: rgba(240,237,230,0.25);
    --r: 18px;
    --ease: cubic-bezier(.16,1,.3,1);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Heebo', sans-serif;
    background: var(--bg);
    color: var(--w);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
.container { max-width: 1080px; margin:0 auto; padding:0 28px; }

.gold-text {
    background: linear-gradient(135deg, var(--g2), var(--g1), var(--g4));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.brand-name { font-family:'Cormorant Garamond',serif; font-weight:700; font-size:1.3rem; letter-spacing:.02em; }
.brand-sep { color:var(--g1); }

/* ── Grain ── */
.grain { position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:.028;
    background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size:160px;
}
#particles { position:fixed; inset:0; z-index:1; pointer-events:none; }

/* ═══════════════════
   IPHONE FRAME
   Realistic CSS mockup
   ═══════════════════ */
.iphone-frame {
    position: relative;
    width: 280px;
    background: #1C1C1E;
    border-radius: 44px;
    padding: 14px;
    box-shadow:
        inset 0 0 0 2px rgba(255,255,255,.08),
        0 0 0 1px #000,
        0 0 0 3px #2A2A2E,
        0 0 0 4px rgba(0,0,0,.8),
        0 50px 100px -20px rgba(0,0,0,.8),
        0 0 80px rgba(212,168,67,.06);
}
.iphone-screen {
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    background: #000;
}
.iphone-screen img { width:100%; display:block; }
.iphone-screen::after {
    content:'';
    position:absolute; inset:0;
    background: linear-gradient(170deg, rgba(255,255,255,.06) 0%, transparent 40%);
    pointer-events:none;
    border-radius: 32px;
}
.iphone-dynamic-island {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px; height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}
.iphone-btn {
    position: absolute;
    background: #2A2A2E;
    border-radius: 2px;
}
.iphone-btn--power { width:3px; height:64px; top:120px; left:-3px; }
.iphone-btn--vol-up { width:3px; height:32px; top:100px; right:-3px; }
.iphone-btn--vol-down { width:3px; height:32px; top:144px; right:-3px; }

/* Small gallery variant */
.iphone-frame--sm {
    width: 220px;
    border-radius: 38px;
    padding: 11px;
}
.iphone-frame--sm .iphone-screen { border-radius: 28px; }
.iphone-frame--sm .iphone-screen::after { border-radius: 28px; }
.iphone-frame--sm .iphone-dynamic-island { width:72px; height:22px; top:14px; }

/* ═══════ NAV ═══════ */
.nav {
    position:fixed; top:0; left:0; right:0; z-index:200;
    background:rgba(6,6,8,.75);
    backdrop-filter:blur(28px) saturate(1.6);
    -webkit-backdrop-filter:blur(28px) saturate(1.6);
    border-bottom:1px solid rgba(212,168,67,.06);
}
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:58px; }
.nav-brand { display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--w); }
.nav-icon { width:32px; height:32px; border-radius:8px; }
.nav-links { display:flex; align-items:center; gap:24px; }
.nav-links a { color:var(--w2); text-decoration:none; font-size:.85rem; font-weight:500; transition:color .25s; }
.nav-links a:hover { color:var(--g2); }
.nav-cta {
    background:linear-gradient(135deg,var(--g1),var(--g4)) !important;
    color:var(--bg) !important; font-weight:700 !important;
    padding:7px 18px; border-radius:100px; font-size:.82rem !important;
    transition:transform .25s var(--ease),box-shadow .25s !important;
}
.nav-cta:hover { transform:translateY(-1px) !important; box-shadow:0 4px 20px rgba(212,168,67,.3) !important; }

/* ═══════ HERO ═══════ */
.hero {
    position:relative; min-height:100vh; display:flex; align-items:center;
    padding:120px 0 100px; overflow:hidden; background:var(--bg);
}

/* Radial gold rays */
.hero-rays {
    position:absolute; top:50%; right:22%; transform:translate(50%,-50%);
    width:1000px; height:1000px;
    background:conic-gradient(from 0deg,
        transparent 0deg, rgba(212,168,67,.035) 12deg, transparent 24deg,
        transparent 60deg, rgba(212,168,67,.03) 72deg, transparent 84deg,
        transparent 120deg, rgba(212,168,67,.035) 132deg, transparent 144deg,
        transparent 180deg, rgba(212,168,67,.03) 192deg, transparent 204deg,
        transparent 240deg, rgba(212,168,67,.035) 252deg, transparent 264deg,
        transparent 300deg, rgba(212,168,67,.03) 312deg, transparent 324deg,
        transparent 360deg
    );
    border-radius:50%; filter:blur(40px);
    animation:raysSpin 80s linear infinite;
    pointer-events:none;
}
@keyframes raysSpin { to { transform:translate(50%,-50%) rotate(360deg); } }

/* ── Orbiting category icons ── */
.orbit {
    position:absolute; top:50%; right:22%; transform:translate(50%,-50%);
    width:0; height:0; pointer-events:none; z-index:2;
}
.orbit-ring {
    position:absolute; top:0; left:0;
    width:0; height:0;
}
.orbit-ring--1 { animation:orbitSpin 40s linear infinite; }
.orbit-ring--2 { animation:orbitSpin 55s linear infinite reverse; }
@keyframes orbitSpin { to { transform:rotate(360deg); } }

.orbit-item {
    position:absolute;
    font-size: 1.6rem;
    transform: rotate(var(--angle)) translateX(280px) rotate(calc(-1 * var(--angle)));
    opacity:.25;
    filter: grayscale(.3);
    transition: opacity .3s, filter .3s;
}
.orbit-ring--2 .orbit-item { transform: rotate(var(--angle)) translateX(380px) rotate(calc(-1 * var(--angle))); font-size:1.3rem; opacity:.15; }

.hero-layout {
    position:relative; z-index:5;
    display:grid; grid-template-columns:1.15fr .85fr;
    gap:40px; align-items:center;
}

/* Hero text */
.hero-text h1 { font-size:clamp(2.8rem,6vw,4.5rem); line-height:1.08; font-weight:900; margin-bottom:24px; letter-spacing:-.02em; }
.h1-top { display:block; }
.h1-gold {
    display:block;
    background:linear-gradient(135deg,var(--g2) 0%,var(--g1) 40%,var(--g5) 100%);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
    position:relative;
}
.h1-gold::after {
    content:''; position:absolute; inset:0;
    background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.14) 50%,transparent 60%);
    background-size:200% 100%;
    -webkit-background-clip:text; background-clip:text;
    animation:shimmer 3.5s ease-in-out infinite;
}
@keyframes shimmer { 0%,100%{background-position:200% center;} 50%{background-position:-200% center;} }

.hero-sub { font-size:1.1rem; font-weight:300; color:var(--w2); max-width:420px; line-height:1.9; margin-bottom:40px; }

/* Actions */
.hero-actions { display:flex; align-items:center; gap:32px; flex-wrap:wrap; }

.btn-apple {
    display:inline-flex; align-items:center; gap:12px;
    background:var(--w); color:var(--bg);
    padding:14px 30px; border-radius:16px;
    text-decoration:none; position:relative; overflow:hidden;
    transition:transform .35s var(--ease),box-shadow .35s;
}
.btn-apple::before {
    content:''; position:absolute; inset:0;
    background:linear-gradient(135deg,transparent,rgba(212,168,67,.12),transparent);
    opacity:0; transition:opacity .35s;
}
.btn-apple:hover::before { opacity:1; }
.btn-apple:hover { transform:translateY(-3px) scale(1.02); box-shadow:0 16px 48px rgba(212,168,67,.2),0 4px 12px rgba(0,0,0,.3); }
.apple-logo { width:24px; height:24px; flex-shrink:0; }
.btn-apple-text small { display:block; font-size:.65rem; font-weight:500; opacity:.55; line-height:1.1; }
.btn-apple-text strong { display:block; font-size:1.08rem; font-weight:700; line-height:1.2; }

.btn-apple--gold { background:linear-gradient(135deg,var(--g1),var(--g4)); color:#fff; border:none; }
.btn-apple--gold:hover { box-shadow:0 16px 48px rgba(212,168,67,.3),0 0 0 1px rgba(240,208,120,.3); }

/* Stats */
.hero-stats { display:flex; align-items:center; gap:20px; }
.stat { display:flex; flex-direction:column; align-items:center; }
.stat-num { font-family:'Cormorant Garamond',serif; font-size:1.5rem; font-weight:700; color:var(--g2); line-height:1.2; }
.stat-label { font-size:.68rem; font-weight:500; color:var(--w3); letter-spacing:.04em; }
.stat-divider { width:1px; height:28px; background:rgba(212,168,67,.15); }

/* Phone device */
.hero-device { display:flex; justify-content:center; position:relative; perspective:1200px; }
.device-glow {
    position:absolute; width:400px; height:400px; top:50%; left:50%; transform:translate(-50%,-50%);
    background:radial-gradient(circle,rgba(212,168,67,.13) 0%,transparent 60%);
    filter:blur(60px); pointer-events:none;
    animation:glowPulse 5s ease-in-out infinite alternate;
}
@keyframes glowPulse { 0%{opacity:.5;transform:translate(-50%,-50%) scale(.9);} 100%{opacity:1;transform:translate(-50%,-50%) scale(1.1);} }

.device-phone { position:relative; z-index:3; transition:transform .5s var(--ease); }

/* ═══════ SECTION HEADER ═══════ */
.sec-head { text-align:center; margin-bottom:64px; }
.sec-label { display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.18em; text-transform:uppercase; color:var(--g1); margin-bottom:14px; }
.sec-title { font-size:clamp(2rem,4.5vw,3rem); font-weight:800; line-height:1.2; letter-spacing:-.01em; }

/* ═══════════════
   DEMO SECTION
   3-step animated
   ═══════════════ */
.demo {
    padding:120px 0;
    background: var(--bg);
    position:relative;
}
.demo::before {
    content:''; position:absolute; top:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg,transparent,rgba(212,168,67,.1),transparent);
}

.demo-steps {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.demo-step {
    display: grid;
    grid-template-columns: 56px 1fr auto;
    gap: 20px;
    align-items: center;
    background: var(--card);
    border: 1px solid rgba(255,255,255,.04);
    border-radius: var(--r);
    padding: 28px 32px;
    position: relative;
}
.demo-step:hover { border-color: rgba(212,168,67,.12); }

.demo-step-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--g1);
    width: 56px; height: 56px;
    display: flex; align-items:center; justify-content:center;
    border: 2px solid rgba(212,168,67,.2);
    border-radius: 50%;
}

.demo-step-body h3 { font-size:1.1rem; font-weight:700; color:var(--g2); margin-bottom:4px; }
.demo-step-body p { font-size:.88rem; font-weight:300; color:var(--w2); line-height:1.6; }

.demo-connector {
    width: 2px; height: 32px;
    background: linear-gradient(to bottom, rgba(212,168,67,.2), rgba(212,168,67,.05));
    margin: 0 auto;
    transform-origin: top;
}

/* Demo visuals */
.demo-step-visual { display:flex; justify-content:center; }

.demo-amount {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.4rem; font-weight: 700;
    color: var(--g2);
    display: flex; align-items:baseline; gap:4px;
}
.demo-currency { font-size:1.4rem; opacity:.6; }

.demo-cats { display:flex; gap:8px; }
.demo-cat {
    width:40px; height:40px;
    display:flex; align-items:center; justify-content:center;
    font-size:1.2rem;
    background: rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.06);
    border-radius:12px;
    transition: all .3s var(--ease);
}
.demo-cat--active {
    background: rgba(212,168,67,.1);
    border-color: rgba(212,168,67,.3);
    transform: scale(1.15);
}

.demo-check {
    width:48px; height:48px; color:var(--g1); opacity:.3;
    transition: opacity .5s, color .5s, transform .5s var(--ease);
}
.demo-check svg { width:100%; height:100%; }
.demo-check-mark {
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    transition: stroke-dashoffset .6s .2s var(--ease);
}
.demo-check--done { opacity:1; color:var(--g2); transform:scale(1.1); }
.demo-check--done .demo-check-mark { stroke-dashoffset:0; }

/* ═══════ FEATURES ═══════ */
.features {
    padding:120px 0; background:var(--bg2); position:relative;
}
.features::before {
    content:''; position:absolute; top:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg,transparent,rgba(212,168,67,.12),transparent);
}

.feat-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }

.feat-card {
    background:var(--card); border:1px solid rgba(255,255,255,.03);
    border-radius:var(--r); overflow:hidden; position:relative;
    transition:border-color .4s,transform .4s var(--ease),box-shadow .4s;
}
.feat-card::before {
    content:''; position:absolute; inset:0;
    background:linear-gradient(135deg,rgba(212,168,67,.04),transparent 50%);
    opacity:0; transition:opacity .4s;
}
.feat-card:hover { border-color:rgba(212,168,67,.12); transform:translateY(-4px); box-shadow:0 20px 48px rgba(0,0,0,.3),0 0 0 1px rgba(212,168,67,.06); }
.feat-card:hover::before { opacity:1; }

.feat-card-inner { padding:32px 28px; position:relative; }

.feat-card--wide { grid-column:span 2; }
.feat-card--wide .feat-card-inner { display:flex; align-items:center; gap:28px; }
.feat-body { flex:1; }
.feat-icon-wrap {
    width:72px; height:72px; display:flex; align-items:center; justify-content:center;
    background:rgba(212,168,67,.06); border:1px solid rgba(212,168,67,.1);
    border-radius:20px; flex-shrink:0;
}

.feat-num { font-family:'Cormorant Garamond',serif; font-size:.85rem; font-weight:600; color:var(--g4); opacity:.5; display:block; margin-bottom:12px; }
.feat-card h3 { font-size:1.15rem; font-weight:700; color:var(--g2); margin-bottom:6px; }
.feat-card p { font-size:.9rem; font-weight:300; color:var(--w2); line-height:1.7; }
.feat-icon { font-size:1.6rem; display:block; margin-top:12px; transition:transform .4s var(--ease); }
.feat-card:hover .feat-icon, .feat-card:hover .feat-icon-wrap .feat-icon { transform:scale(1.2) translateY(-2px); }

/* ═══════ GALLERY ═══════ */
.gallery {
    padding:100px 0 140px;
    background:var(--bg); overflow:hidden;
    position:relative;
}
.gallery::before {
    content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    width:600px; height:600px;
    background:radial-gradient(circle,rgba(212,168,67,.04),transparent 60%);
    pointer-events:none;
}

.gallery-stage {
    position:relative;
    overflow: hidden;
    padding: 0 28px;
}

.gallery-track {
    display: flex;
    gap: 36px;
    padding: 20px 0 40px;
    justify-content: center;
}

.gallery-phone {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    transition: transform .5s var(--ease);
}
.gallery-phone:hover { transform: translateY(-12px); }
.gallery-phone:hover .iphone-frame--sm {
    box-shadow:
        inset 0 0 0 2px rgba(255,255,255,.08),
        0 0 0 1px #000,
        0 0 0 3px #2A2A2E,
        0 0 0 4px rgba(0,0,0,.8),
        0 50px 100px -20px rgba(0,0,0,.8),
        0 0 60px rgba(212,168,67,.1);
}

.gallery-label {
    font-size: .8rem;
    font-weight: 500;
    color: var(--w3);
    letter-spacing: .02em;
}

/* ═══════ CTA ═══════ */
.cta {
    position:relative; padding:120px 0; text-align:center;
    overflow:hidden; background:var(--bg2);
}
.cta-bg {
    position:absolute; inset:0; pointer-events:none;
    background:
        radial-gradient(ellipse 50% 60% at 50% 50%,rgba(212,168,67,.06),transparent),
        repeating-conic-gradient(transparent 0deg,rgba(212,168,67,.012) 2deg,transparent 4deg);
}
.cta-inner { position:relative; display:flex; flex-direction:column; align-items:center; gap:20px; }
.cta-icon {
    width:88px; height:88px; border-radius:24px;
    box-shadow:0 0 80px rgba(212,168,67,.15),0 12px 32px rgba(0,0,0,.4);
    transition:transform .4s var(--ease);
}
.cta-icon:hover { transform:scale(1.08) rotate(-3deg); }
.cta h2 { font-size:clamp(2rem,4vw,3rem); font-weight:800; line-height:1.2; }
.cta p { color:var(--w2); font-size:1.05rem; font-weight:300; margin-bottom:8px; }

/* ═══════ FOOTER ═══════ */
.footer { padding:48px 0 36px; }
.footer-top { display:flex; align-items:center; justify-content:space-between; }
.footer-brand { display:flex; align-items:center; gap:10px; }
.footer-icon { width:26px; height:26px; border-radius:7px; }
.footer-links { display:flex; gap:28px; }
.footer-links a { color:var(--w3); text-decoration:none; font-size:.84rem; font-weight:400; transition:color .25s; }
.footer-links a:hover { color:var(--g2); }
.footer-rule { height:1px; margin:24px 0; background:linear-gradient(90deg,transparent,rgba(212,168,67,.08),transparent); }
.footer-copy { text-align:center; font-size:.76rem; color:rgba(240,237,230,.18); }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width:900px) {
    .feat-grid { grid-template-columns:1fr; }
    .feat-card--wide { grid-column:span 1; }
    .feat-card--wide .feat-card-inner { flex-direction:column; align-items:flex-start; }
    .gallery-track { gap:20px; flex-wrap:nowrap; overflow-x:auto; justify-content:flex-start; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
    .gallery-track::-webkit-scrollbar { display:none; }
    .gallery-phone { scroll-snap-align:center; }
}

@media (max-width:768px) {
    .hero { min-height:auto; padding:110px 0 80px; }
    .hero-layout { grid-template-columns:1fr; text-align:center; gap:48px; }
    .hero-text { display:flex; flex-direction:column; align-items:center; }
    .hero-sub { margin-inline:auto; }
    .hero-actions { justify-content:center; }
    .hero-stats { display:none; }
    .orbit { display:none; }
    .hero-rays { right:50%; }
    .iphone-frame { width:240px; border-radius:38px; padding:12px; }
    .iphone-frame .iphone-screen { border-radius:28px; }
    .iphone-frame .iphone-screen::after { border-radius:28px; }
    .iphone-frame .iphone-dynamic-island { width:74px; height:22px; top:16px; }
    .iphone-btn { display:none; }
    .device-phone { transform:none !important; }
    .footer-top { flex-direction:column; gap:20px; text-align:center; }
    .demo-step { grid-template-columns:44px 1fr; gap:14px; padding:20px 20px; }
    .demo-step-visual { display:none; }
    .demo-step-num { width:44px; height:44px; font-size:1.5rem; }
    .iphone-frame--sm { width:180px; border-radius:32px; padding:9px; }
    .iphone-frame--sm .iphone-screen { border-radius:24px; }
    .iphone-frame--sm .iphone-screen::after { border-radius:24px; }
    .iphone-frame--sm .iphone-dynamic-island { width:60px; height:18px; top:12px; }
}

@media (max-width:480px) {
    .hero-text h1 { font-size:2.4rem; }
    .iphone-frame { width:200px; }
    .btn-apple { padding:12px 22px; }
    .nav-cta { display:none; }
    .nav-links { gap:16px; }
    .iphone-frame--sm { width:160px; }
}