/* ============ VAULCOUNT — Apple-inspired design system ============ */
:root {
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --black: #1d1d1f;
  --pure-black: #000;
  --gray: #86868b;
  --gray-light: #f5f5f7;
  --gray-mid: #d2d2d7;
  --white: #fff;
  --radius-pill: 980px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  /* Liquid Glass tokens */
  --lg-bg: rgba(255,255,255,0.55);
  --lg-bg-strong: rgba(255,255,255,0.72);
  --lg-border: rgba(255,255,255,0.75);
  --lg-edge: inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -1px 0 rgba(255,255,255,0.25);
  --lg-shadow: 0 18px 44px rgba(30,50,90,0.12);
  --lg-blur: saturate(180%) blur(22px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.012em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.container { max-width: 1024px; margin: 0 auto; padding: 0 22px; }

/* ---------- Promo banner ---------- */
.promo-banner {
  background: var(--gray-light);
  color: var(--black);
  font-size: 13px;
  text-align: center;
  padding: 9px 44px 9px 14px;
  position: relative;
}
.promo-banner a { font-weight: 500; }
.promo-banner .banner-close {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: 0; cursor: pointer; color: var(--gray);
  font-size: 16px; line-height: 1; padding: 6px; border-radius: 6px;
}
.promo-banner.hidden { display: none; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.navbar-inner {
  max-width: 1024px; margin: 0 auto; padding: 0 22px;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.brand {
  font-weight: 600; font-size: 19px; letter-spacing: -0.02em;
  color: var(--black); display: flex; align-items: center; gap: 8px;
}
.brand:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; }
.nav-links a {
  color: rgba(0,0,0,0.78); font-size: 13px; font-weight: 400;
  transition: color .2s;
}
.nav-links a:hover { color: var(--black); text-decoration: none; }
.lang-switch { position: relative; }
.lang-switch summary {
  list-style: none; cursor: pointer; font-size: 13px; color: rgba(0,0,0,0.78);
  display: flex; align-items: center; gap: 5px; user-select: none;
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch ul {
  list-style: none; position: absolute; right: 0; top: calc(100% + 8px);
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  padding: 6px; min-width: 140px;
}
.lang-switch li button {
  all: unset; display: block; width: 100%; padding: 6px 12px;
  font-size: 13px; border-radius: 8px; cursor: pointer; color: var(--black);
}
.lang-switch li button:hover { background: var(--gray-light); }
.nav-toggle { display: none; background: none; border: 0; font-size: 20px; cursor: pointer; color: var(--black); }

@media (max-width: 1020px) {
  .nav-links {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: 10px 22px 18px; border-bottom: 1px solid rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; text-align: left; padding: 8px 0; }
  .nav-links a { font-size: 17px; }
  .nav-toggle { display: block; }
}

/* ---------- Cold gradient accents (subtle) ---------- */
.hero {
  padding: 110px 0 90px; text-align: center;
  background:
    radial-gradient(1100px 520px at 16% -10%, rgba(10,132,255,0.20), transparent 60%),
    radial-gradient(900px 480px at 86% 10%, rgba(100,210,255,0.18), transparent 55%),
    radial-gradient(760px 420px at 50% 110%, rgba(191,90,242,0.12), transparent 60%),
    linear-gradient(180deg, #f4f8ff 0%, #ffffff 80%);
}
.hero-black {
  background:
    radial-gradient(1100px 500px at 20% -10%, rgba(41,98,255,0.28), transparent 60%),
    radial-gradient(900px 460px at 82% 15%, rgba(36,199,218,0.16), transparent 55%),
    var(--pure-black);
  color: var(--white);
}
.hero-logo {
  width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 30px;
  box-shadow: 0 18px 44px rgba(0,45,120,0.35);
}
.section-gray {
  background: linear-gradient(180deg, #f7f9fd 0%, #eef2fa 55%, #f7f9fd 100%);
}
.section-black {
  background:
    radial-gradient(900px 400px at 80% 0%, rgba(41,98,255,0.14), transparent 60%),
    var(--pure-black);
  color: var(--white);
}
.grad-text {
  background: linear-gradient(92deg, #0071e3 0%, #0a84ff 30%, #5ac8fa 55%, #bf5af2 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Brand logo (centered) ---------- */
.navbar-inner {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: 12px;
}
.nav-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.nav-right { justify-self: end; display: flex; align-items: center; }
.brand {
  justify-self: center; display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 19px; letter-spacing: -0.02em; color: var(--black);
}
.brand:hover { text-decoration: none; }
.brand-logo {
  height: 46px; width: auto; display: block;
  object-fit: contain;
}
.brand .brand-name { line-height: 1; }
@media (max-width: 860px) {
  .brand-logo { height: 34px; }
  .nav-left .nav-links { display: none; }
  .nav-links.open {
    display: flex; position: absolute; top: 56px; left: 0; right: 0;
    background: rgba(255,255,255,0.96); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: 10px 22px 18px; border-bottom: 1px solid rgba(0,0,0,0.08);
  }
}

/* ---------- Animated trust tiles (no emoji) ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 860px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
.trust-tile {
  border-radius: 22px; padding: 30px 22px; text-align: center;
  border: 1px solid rgba(10,132,255,0.08);
  background: linear-gradient(160deg, rgba(255,255,255,0.9), rgba(235,243,255,0.65));
  box-shadow: 0 2px 14px rgba(30,80,180,0.05);
  transition: transform .35s ease, box-shadow .35s ease;
}
.trust-tile:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(30,80,180,0.12); }
.trust-icon {
  width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #eaf3ff, #d7e9ff);
  color: #0a84ff;
}
.trust-tile:hover .trust-icon { animation: trust-pulse 1.6s ease-in-out infinite; }
.trust-icon svg { width: 30px; height: 30px; }
@keyframes trust-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .trust-tile:hover .trust-icon { animation: none; }
}

/* ---------- Liquid Glass buttons (fluid morph) ---------- */
.btn {
  position: relative; overflow: hidden;
  backdrop-filter: var(--lg-blur); -webkit-backdrop-filter: var(--lg-blur);
  transition: border-radius .45s cubic-bezier(.3,1.4,.4,1), background .2s, color .2s, transform .35s cubic-bezier(.3,1.4,.4,1), box-shadow .3s;
}
.btn::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.28), transparent 45%);
  opacity: 0; transition: opacity .3s;
}
.btn:hover { border-radius: 18px; transform: scale(1.04); }
.btn:hover::before { opacity: 1; }
.btn:active { transform: scale(0.97); border-radius: 12px; }
.btn-primary { box-shadow: 0 8px 24px rgba(0,113,227,0.35), var(--lg-edge); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 30%, rgba(90,200,250,0.35) 48%, transparent 62%);
  background-size: 220% 100%; background-position: 130% 0;
  transition: background-position .8s ease;
}
.btn-primary:hover::after { background-position: -30% 0; }

/* Liquid glass panels */
.checkout-card, .email-popup, .product-card {
  background: var(--lg-bg-strong);
  backdrop-filter: var(--lg-blur); -webkit-backdrop-filter: var(--lg-blur);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow), var(--lg-edge);
}
.product-card { border-radius: 26px; }

/* ---------- Hero background: modular 3D pattern + floating cards ---------- */
.hero { position: relative; overflow: hidden; }
.hero-content { position: relative; z-index: 2; }
.hero-bg {
  position: absolute; inset: -6%; z-index: 0; pointer-events: none;
  perspective: 900px;
}
.bg-shape {
  position: absolute; border-radius: 32%;
  background: linear-gradient(140deg, rgba(255,255,255,0.52), rgba(150,190,255,0.16) 55%, rgba(120,220,250,0.14));
  border: 1px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(7px) saturate(150%); -webkit-backdrop-filter: blur(7px) saturate(150%);
  box-shadow: 0 18px 44px rgba(30,50,90,0.12), inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -8px 18px rgba(10,132,255,0.06);
  opacity: 0.85;
}
.bg-shape.ring {
  background: none; border: 1.5px solid rgba(90,200,250,0.35);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 14px 34px rgba(30,50,90,0.08), 0 0 30px rgba(100,210,255,0.15);
}
.bg-shape.s2 { background: linear-gradient(140deg, rgba(255,255,255,0.5), rgba(191,90,242,0.14)); }
.bg-shape.s4 { background: linear-gradient(140deg, rgba(255,255,255,0.5), rgba(255,159,10,0.13)); }
.bg-shape.s1 { width: 130px; height: 130px; left: 6%;  top: 12%; }
.bg-shape.s2 { width: 74px;  height: 74px;  left: 20%; bottom: 16%; rotate: 18deg; }
.bg-shape.s3 { width: 190px; height: 190px; right: 4%;  top: 6%;  border-radius: 44%; }
.bg-shape.s4 { width: 60px;  height: 60px;  right: 24%; bottom: 10%; rotate: -12deg; }
.bg-shape.s5 { width: 96px;  height: 96px;  left: 44%; top: -24px; }
.bg-shape.s6 { width: 120px; height: 120px; right: 38%; bottom: -30px; border-radius: 40%; }
.bg-shape.r1 { width: 150px; height: 150px; left: 30%; top: 30%; }
.bg-shape.r2 { width: 90px;  height: 90px;  right: 12%; top: 44%; }
.bg-card {
  position: absolute; width: clamp(120px, 16vw, 210px); height: auto;
  border-radius: 14px;
  box-shadow: 0 24px 50px rgba(20,40,90,0.22);
  opacity: 0.9;
  animation: bg-card-float 8s ease-in-out infinite;
}
.bg-card.c1 { left: 8%;  bottom: 8%;  rotate: -9deg; }
.bg-card.c2 { right: 7%; top: 16%;   rotate: 8deg;   animation-delay: -2.6s; }
.bg-card.c3 { left: 38%; bottom: 3%; width: clamp(100px, 13vw, 175px); rotate: 4deg; animation-delay: -5s; }
@keyframes bg-card-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -16px; }
}
@media (max-width: 640px) {
  .bg-shape { opacity: 0.55; }
  .bg-shape.s3 { width: 120px; height: 120px; }
  .bg-card { width: 100px; }
}
@media (prefers-reduced-motion: reduce) { .bg-card { animation: none !important; } }

/* ---------- Decorative volumetric squares across sections ---------- */
.section { position: relative; overflow: hidden; }
.deco-sq {
  position: absolute; pointer-events: none; z-index: 0;
  border-radius: 26%;
  background: linear-gradient(140deg, rgba(255,255,255,0.55), rgba(120,190,255,0.18) 55%, rgba(120,220,250,0.15));
  border: 1px solid rgba(255,255,255,0.75);
  backdrop-filter: blur(6px) saturate(150%); -webkit-backdrop-filter: blur(6px) saturate(150%);
  box-shadow: 0 16px 36px rgba(30,50,90,0.10), inset 0 1px 0 rgba(255,255,255,0.95);
  opacity: 0.75;
  animation: deco-float 9s ease-in-out infinite;
}
.deco-sq.dsq-a { width: 110px; height: 110px; left: -34px; top: 14%; rotate: 14deg; }
.deco-sq.dsq-b { width: 66px;  height: 66px;  right: -18px; top: 58%; rotate: -10deg; background: linear-gradient(140deg, rgba(255,255,255,0.5), rgba(191,90,242,0.16)); animation-delay: -3s; }
.deco-sq.dsq-c { width: 84px;  height: 84px;  left: 8%; bottom: -26px; rotate: 8deg; background: linear-gradient(140deg, rgba(255,255,255,0.5), rgba(255,159,10,0.14)); animation-delay: -6s; }
.deco-sq.dsq-d { width: 96px;  height: 96px;  right: 6%; top: -28px; rotate: -14deg; animation-delay: -4.5s; }
@keyframes deco-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
.section .container { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .deco-sq { animation: none !important; } }

/* Liquid glass on more panels (review cards skip the expensive blur:
   12 simultaneous backdrop-filters caused scroll jank on low-end GPUs) */
.review-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--lg-border);
  box-shadow: 0 2px 14px rgba(30,50,90,0.07), var(--lg-edge);
}
.wallet-box, .order-summary, .phone-slide {
  background: var(--lg-bg-strong);
  backdrop-filter: var(--lg-blur); -webkit-backdrop-filter: var(--lg-blur);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow), var(--lg-edge);
}
.order-summary { border-radius: 16px; }
.phone-slide { border-radius: 16px; }
.faq-item summary { transition: color .25s; }
.faq-item summary:hover { color: var(--blue); }

/* Smoothness hints */
.hero, .section { contain: layout paint; }
.glass-obj, .bg-card, .bg-shape, .deco-sq, .tilt-card, .phone-mock { transform: translateZ(0); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
.trust-tile {
  background: none; border: 0; box-shadow: none; border-radius: 0;
  padding: 26px 26px 26px 28px; text-align: left;
  border-left: 1px solid var(--gray-mid);
  transition: none;
}
.trust-tile:first-child { border-left: 0; padding-left: 0; }
.trust-tile:hover { transform: none; box-shadow: none; }
.trust-icon {
  width: 40px; height: 40px; margin: 0 0 12px; border-radius: 11px;
  background: none; color: #6e6e73;
  display: flex; align-items: center; justify-content: center;
  transition: color .3s;
}
.trust-icon svg { width: 26px; height: 26px; }
.trust-tile:hover .trust-icon { color: var(--blue); animation: none; }
.trust-tile h3 { font-size: 17px !important; margin: 0 0 3px !important; }

/* ---------- Card spin on hover ---------- */
.tilt-card.spinning { animation: card-spin .85s cubic-bezier(.35,.9,.3,1); }
@keyframes card-spin {
  from { transform: rotateY(0deg) scale(1.03); }
  to   { transform: rotateY(360deg) scale(1.03); }
}
.tilt-card .tilt-gloss {
  position: absolute; inset: 0; border-radius: 32px; pointer-events: none;
  background: linear-gradient(115deg, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.06) 28%, transparent 45%, rgba(255,255,255,0.18) 100%);
  transform: translateZ(50px);
}
@media (prefers-reduced-motion: reduce) { .tilt-card.spinning { animation: none; } }

/* ---------- Review form ---------- */
.review-form-card {
  max-width: 560px; margin: 60px auto 0; padding: 36px 32px;
  border-radius: 26px; background: var(--lg-bg-strong);
  backdrop-filter: var(--lg-blur); -webkit-backdrop-filter: var(--lg-blur);
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow), var(--lg-edge);
}
.review-form-card h3 { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 4px; }
.review-form-card .rf-sub { color: #6e6e73; font-size: 14px; margin-bottom: 22px; }
.star-picker { display: flex; gap: 6px; margin: 6px 0 20px; }
.star-picker label { cursor: pointer; font-size: 26px; color: #d2d2d7; transition: color .2s, transform .2s; }
.star-picker label:hover { transform: scale(1.15); }
.star-picker input { position: absolute; opacity: 0; pointer-events: none; }
.star-picker input:checked ~ label,
.star-picker label.picked { color: #f5a623; }
.rf-success {
  display: none; text-align: center; padding: 26px 10px;
}
.rf-success .rf-check {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 16px;
  background: rgba(29,138,62,0.12); color: #1d8a3e; font-size: 28px;
  display: flex; align-items: center; justify-content: center;
}
.rf-success p { color: #6e6e73; }
.review-form-card.sent form { display: none; }
.review-form-card.sent .rf-success { display: block; }
.hero-stage {
  position: relative; height: clamp(300px, 44vw, 430px); margin-top: 44px;
  perspective: 1200px; overflow: hidden;
}
.glass-obj {
  position: absolute; border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,0.55), rgba(190,205,230,0.18));
  border: 1px solid rgba(255,255,255,0.75);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  box-shadow: 0 30px 60px rgba(30,50,90,0.14), inset 0 1px 0 rgba(255,255,255,0.9);
  display: flex; align-items: center; justify-content: center;
  transform-style: preserve-3d; will-change: transform;
  transition: transform .25s ease-out;
}
.glass-obj svg { width: 52%; height: 52%; stroke: #3c4658; opacity: 0.85; }
.glass-obj.obj-tv      { width: clamp(230px, 36vw, 380px); aspect-ratio: 16/9.6; left: 4%;  top: 6%;  z-index: 1; border-radius: 22px; }
.glass-obj.obj-pad     { width: clamp(150px, 22vw, 230px); aspect-ratio: 1.5;   left: 33%; top: 44%; z-index: 3; animation: obj-float 7s ease-in-out infinite; }
.glass-obj.obj-phone   { width: clamp(110px, 15vw, 160px); aspect-ratio: 9/18.5; right: 16%; top: 2%; z-index: 2; animation: obj-float 9s ease-in-out infinite reverse; }
.glass-obj.obj-cube    { width: clamp(70px, 10vw, 110px);  aspect-ratio: 1;     right: 6%;  bottom: 4%; z-index: 1; border-radius: 24px; }
@keyframes obj-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}
.hero-stage::after {
  content: ""; position: absolute; left: 50%; bottom: -40px; transform: translateX(-50%);
  width: 70%; height: 90px; border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(30,50,90,0.10), transparent 70%);
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) { .glass-obj { animation: none !important; } }

/* ---------- Apple-style phone section ---------- */
.phone-section { position: relative; overflow: hidden; }
.phone-scene { perspective: 1400px; display: flex; justify-content: center; }
.phone-mock {
  position: relative; width: min(300px, 74vw); aspect-ratio: 301/615;
  border-radius: 48px; transform-style: preserve-3d;
  background: linear-gradient(150deg, #3a3f4a 0%, #14161c 30%, #2b3038 60%, #0d0f13 100%);
  box-shadow:
    0 50px 100px rgba(10,20,50,0.35),
    0 20px 40px rgba(10,20,50,0.25),
    inset 0 0 0 2px rgba(255,255,255,0.08);
  transition: transform .5s cubic-bezier(.2,.8,.25,1);
  will-change: transform;
}
.phone-mock::before {  /* side buttons */
  content: ""; position: absolute; left: -3px; top: 130px; width: 3px; height: 64px;
  background: linear-gradient(#5a606c, #23262d); border-radius: 2px;
  box-shadow: 0 84px 0 -0px #454a54, 0 84px 0 0 #23262d;
}
.phone-mock::after {
  content: ""; position: absolute; right: -3px; top: 180px; width: 3px; height: 96px;
  background: linear-gradient(#5a606c, #23262d); border-radius: 2px;
}
.phone-screen {
  position: absolute; inset: 10px; border-radius: 40px; overflow: hidden;
  background: #f5f5f7;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.4);
}
.phone-notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 26px; border-radius: 14px; background: #000; z-index: 5;
}
.phone-glare {
  position: absolute; inset: 10px; border-radius: 40px; z-index: 6; pointer-events: none;
  background: linear-gradient(115deg, rgba(255,255,255,0.22) 0%, transparent 24%, transparent 70%, rgba(255,255,255,0.10) 100%);
}
.phone-ui { position: absolute; inset: 0; padding: 56px 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.phone-ui .p-nav {
  display: flex; justify-content: center; margin-bottom: 4px;
}
.phone-ui .p-nav span {
  font-size: 10px; font-weight: 600; letter-spacing: 0.14em; color: #1d1d1f;
}
.phone-slide {
  background: #fff; border-radius: 16px; padding: 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05); font-size: 11px; color: #3a3a3c;
}
.phone-slide.p-sum { margin: 0 10px; }
.phone-slide .p-title { font-weight: 700; font-size: 12px; color: #1d1d1f; margin-bottom: 8px; }
.phone-slide .p-row { display: flex; justify-content: space-between; margin: 5px 0; }
.phone-slide .p-row .val { font-weight: 600; }
.phone-slide .p-btn {
  display: block; text-align: center; margin: 10px 6px 2px; padding: 9px 0;
  background: #0071e3; color: #fff; border-radius: 980px; font-weight: 500;
}
.phone-slide .p-code {
  margin: 6px 6px 0; border: 1px dashed #d2d2d7; border-radius: 10px;
  padding: 7px; text-align: center; color: #86868b;
}
.phone-slides { position: relative; flex: 1; }
.phone-slide { position: absolute; inset: 0; opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .5s; }
.phone-slide.active { opacity: 1; transform: none; }
.phone-dots { display: flex; gap: 6px; justify-content: center; margin-top: 10px; }
.phone-dots i {
  width: 6px; height: 6px; border-radius: 50%; background: #c7c7cc; transition: background .3s;
}
.phone-dots i.on { background: #0071e3; }
.tilt-scene { perspective: 1100px; display: flex; justify-content: center; }
.tilt-card {
  position: relative; width: min(340px, 78vw); aspect-ratio: 1;
  border-radius: 32px; transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.2,.8,.25,1), box-shadow .5s ease;
  will-change: transform;
  background: linear-gradient(150deg, #ffffff 0%, #e9f0fb 100%);
  box-shadow: 0 24px 60px rgba(20,50,130,0.16);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.tilt-card.tilt-dark {
  background: linear-gradient(150deg, #17181f 0%, #0a0b12 100%);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.tilt-card img {
  width: 82%; height: auto; border-radius: 18px; transform: translateZ(60px);
  box-shadow: 0 16px 40px rgba(0,20,60,0.28);
}
.tilt-card .tilt-chip {
  position: absolute; top: 22px; left: 22px; padding: 6px 14px;
  border-radius: 980px; font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,0.85); color: #0a84ff;
  transform: translateZ(80px);
  box-shadow: 0 4px 14px rgba(20,50,130,0.12);
}
.tilt-card .tilt-price {
  position: absolute; bottom: 22px; right: 24px; font-size: 22px; font-weight: 700;
  color: #1d1d1f; transform: translateZ(80px);
}
.tilt-card.tilt-dark .tilt-price { color: #fff; }
.tilt-card .tilt-shine {
  position: absolute; inset: 0; border-radius: 32px; pointer-events: none;
  background: radial-gradient(420px 300px at var(--shine-x,50%) var(--shine-y,30%), rgba(255,255,255,0.5), transparent 60%);
  opacity: 0; transition: opacity .4s ease; transform: translateZ(40px);
}
.tilt-card:hover .tilt-shine { opacity: 1; }
.tilt-card.tilt-dark .tilt-shine {
  background: radial-gradient(420px 300px at var(--shine-x,50%) var(--shine-y,30%), rgba(90,200,250,0.22), transparent 60%);
}
@media (hover: none) {
  .tilt-card { animation: card-idle 7s ease-in-out infinite; }
  @keyframes card-idle {
    0%, 100% { transform: rotateY(-7deg) rotateX(5deg); }
    50% { transform: rotateY(7deg) rotateX(-4deg); }
  }
}

/* Small logo chip on product cards */
.product-logo {
  width: 76px; height: 76px; border-radius: 20px; margin: 0 auto 18px;
  box-shadow: 0 10px 26px rgba(20,50,130,0.16);
  transition: transform .35s ease;
}
.product-card:hover .product-logo { transform: translateY(-4px) scale(1.04); }

/* ---------- Promo field ---------- */
.promo-row { display: flex; gap: 10px; }
.promo-row input { flex: 1; }
.promo-status { font-size: 13px; margin-top: 6px; display: none; }
.promo-status.ok { color: #1d8a3e; display: block; }
.promo-status.bad { color: #de2b2b; display: block; }
.price-strike { text-decoration: line-through; color: var(--gray); font-weight: 400; font-size: 16px; margin-right: 8px; }

/* ---------- Typography & sections ---------- */
.hero-title {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 600; letter-spacing: -0.025em; line-height: 1.05;
}
.hero-sub {
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 400; color: #6e6e73;
  margin-top: 16px; max-width: 640px; margin-left: auto; margin-right: auto;
}
.hero-black .hero-sub { color: #a1a1a6; }
.hero-cta { margin-top: 32px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

.section { padding: 90px 0; }
.section-black h2, .section-black h3 { color: var(--white); }
.section-black p { color: #a1a1a6; }

.section-head { text-align: center; margin-bottom: 56px; }
.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.08;
}
.section-sub {
  font-size: clamp(19px, 2.4vw, 24px); color: #6e6e73;
  margin-top: 12px; max-width: 620px; margin-left: auto; margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; border-radius: var(--radius-pill);
  padding: 12px 26px; font-size: 17px; line-height: 1.18;
  font-weight: 400; transition: background .2s, color .2s, transform .15s;
  border: 0; cursor: pointer; text-decoration: none; text-align: center;
}
.btn:hover { text-decoration: none; transform: scale(1.02); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-hover); }
.btn-outline { border: 1px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-ghost-dark { border: 1px solid #424245; color: #2997ff; }
.btn-lg { padding: 16px 34px; font-size: 19px; }
.btn-block { display: block; width: 100%; }

/* ---------- Product cards ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .products-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; } }
.product-card {
  background: var(--white); border-radius: 24px;
  padding: 44px 32px 36px; text-align: center;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
  display: flex; flex-direction: column;
}
.product-platform {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray); font-weight: 600;
}
.product-name { font-size: 28px; font-weight: 600; letter-spacing: -0.015em; margin-top: 6px; }
.product-price { font-size: 40px; font-weight: 600; margin: 18px 0 4px; letter-spacing: -0.02em; }
.product-price small { font-size: 15px; color: var(--gray); font-weight: 400; display: block; }
.product-features {
  list-style: none; text-align: left; margin: 24px 0 28px;
  font-size: 14px; color: #494950; flex: 1;
}
.product-features li { padding: 7px 0 7px 26px; position: relative; border-bottom: 1px solid var(--gray-light); }
.product-features li:last-child { border-bottom: 0; }
.product-features li::before {
  content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 600;
}

/* ---------- Feature rows / detail ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }
.check-list { list-style: none; font-size: 19px; }
.check-list li { padding: 12px 0 12px 36px; position: relative; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; color: var(--blue);
  font-size: 21px; font-weight: 600;
}
.detail-visual {
  background: var(--gray-light); border-radius: 28px; aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center; font-size: 64px;
}

/* ---------- Reviews ---------- */
.rating-summary { text-align: center; margin-bottom: 44px; }
.rating-big { font-size: 64px; font-weight: 600; letter-spacing: -0.03em; }
.stars { color: #f5a623; font-size: 20px; letter-spacing: 2px; }
.rating-meta { color: var(--gray); font-size: 15px; margin-top: 6px; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .reviews-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .reviews-grid { grid-template-columns: 1fr; } }
.review-card {
  background: var(--white); border-radius: 20px; padding: 26px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 8px rgba(0,0,0,0.02);
}
.review-card .stars { font-size: 14px; }
.review-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.review-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gray-light); display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--gray); font-weight: 600;
}
.review-name { font-weight: 600; font-size: 15px; }
.review-date { color: var(--gray); font-size: 13px; margin-left: auto; }
.review-product { font-size: 12px; color: var(--gray); }
.review-text { font-size: 15px; color: #3a3a3c; margin-top: 8px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-mid); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 0;
  font-size: 19px; font-weight: 500; display: flex; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gray); font-size: 22px; font-weight: 400; flex-shrink: 0; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-answer { padding: 0 0 22px; color: #494950; font-size: 17px; max-width: 680px; }

/* ---------- Checkout ---------- */
.checkout-wrap { max-width: 560px; margin: 0 auto; }
.checkout-card {
  background: var(--white); border-radius: 24px; padding: 40px 34px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}
.order-summary {
  background: var(--gray-light); border-radius: 16px; padding: 18px 20px;
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px;
}
.order-summary .os-name { font-weight: 600; }
.order-summary .os-price { font-size: 24px; font-weight: 600; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: #3a3a3c; }
.field input, .field select {
  width: 100%; padding: 13px 14px; font-size: 16px; font-family: var(--font);
  border: 1px solid var(--gray-mid); border-radius: 12px; background: var(--white);
  transition: border .2s, box-shadow .2s;
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.15);
}
.field .error-msg { color: #de2b2b; font-size: 13px; margin-top: 5px; display: none; }
.field.invalid input { border-color: #de2b2b; }
.field.invalid .error-msg { display: block; }
.crypto-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 24px; }
@media (max-width: 480px) { .crypto-options { grid-template-columns: repeat(2, 1fr); } }
.crypto-options label {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  border: 1px solid var(--gray-mid); border-radius: 16px; padding: 14px 6px 10px;
  text-align: center; font-size: 14px; font-weight: 700; cursor: pointer;
  transition: all .25s cubic-bezier(.3,1.4,.4,1); color: var(--black);
  background: var(--lg-bg);
}
.crypto-options label img { transition: transform .25s; }
.crypto-options label:hover { transform: translateY(-3px); }
.crypto-options label:hover img { transform: scale(1.12); }
.crypto-options input { position: absolute; opacity: 0; pointer-events: none; }
.crypto-options label.co-btc  { border-top: 3px solid #f7931a; }
.crypto-options label.co-eth  { border-top: 3px solid #627eea; }
.crypto-options label.co-usdt { border-top: 3px solid #26a17b; }
.crypto-options label.co-ltc  { border-top: 3px solid #a6a9aa; }
.crypto-options label.co-btc:has(input:checked)  { border-color: #f7931a; box-shadow: 0 0 0 3px rgba(247,147,26,0.18); background: rgba(247,147,26,0.08); }
.crypto-options label.co-eth:has(input:checked)  { border-color: #627eea; box-shadow: 0 0 0 3px rgba(98,126,234,0.18); background: rgba(98,126,234,0.08); }
.crypto-options label.co-usdt:has(input:checked) { border-color: #26a17b; box-shadow: 0 0 0 3px rgba(38,161,123,0.18); background: rgba(38,161,123,0.08); }
.crypto-options label.co-ltc:has(input:checked)  { border-color: #a6a9aa; box-shadow: 0 0 0 3px rgba(166,169,170,0.25); }
.wallet-box {
  background: var(--gray-light); border-radius: 16px; padding: 20px; text-align: center; margin-bottom: 24px;
}
.wallet-addr {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px; word-break: break-all; background: var(--white);
  border-radius: 10px; padding: 12px; margin: 12px 0; border: 1px solid var(--gray-light);
}
.qr-placeholder {
  width: 148px; height: 148px; margin: 0 auto; background: var(--white);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--gray-mid); color: var(--gray); font-size: 12px;
}
.checkout-note { font-size: 13px; color: var(--gray); margin-top: 18px; text-align: center; }

/* ---------- Security badges (checkout) ---------- */
.security-badges {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--gray-mid);
}
.sec-badge {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  text-align: center; padding: 12px 6px 10px; border-radius: 14px;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(10,132,255,0.10);
  color: #0a84ff; font-size: 10.5px; font-weight: 600; line-height: 1.25;
  letter-spacing: 0.02em; text-transform: uppercase; color: #3a3a3c;
  transition: transform .3s cubic-bezier(.3,1.4,.4,1), box-shadow .3s;
}
.sec-badge svg { width: 22px; height: 22px; color: #1d8a3e; }
.sec-badge:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(30,50,90,0.10); }

/* ---------- Thank you ---------- */
.thankyou { text-align: center; padding: 130px 0 110px; }
.thankyou-icon {
  width: 84px; height: 84px; border-radius: 50%; background: rgba(0,113,227,0.1);
  color: var(--blue); font-size: 40px; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 28px;
}

/* ---------- Footer ---------- */
footer { background: var(--gray-light); padding: 44px 0 36px; font-size: 13px; color: #6e6e73; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-bottom: 32px; }
@media (max-width: 720px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
.footer-cols h4 { font-size: 13px; color: var(--black); font-weight: 600; margin-bottom: 12px; }
.footer-cols ul { list-style: none; }
.footer-cols li { margin-bottom: 8px; }
.footer-cols a { color: #424245; }
.footer-bottom {
  border-top: 1px solid var(--gray-mid); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- Email popup ---------- */
.email-popup-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 22px; opacity: 0; pointer-events: none; transition: opacity .3s;
}
.email-popup-backdrop.show { opacity: 1; pointer-events: auto; }
.email-popup {
  background: var(--white); border-radius: 28px; padding: 44px 36px;
  max-width: 420px; width: 100%; text-align: center; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.email-popup h3 { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.email-popup p { color: #6e6e73; margin: 10px 0 22px; font-size: 15px; }
.email-popup .popup-close {
  position: absolute; top: 14px; right: 16px; background: none; border: 0;
  font-size: 20px; color: var(--gray); cursor: pointer;
}
.email-popup form { display: flex; flex-direction: column; gap: 12px; }
.email-popup input {
  padding: 13px 16px; border-radius: var(--radius-pill); border: 1px solid var(--gray-mid);
  font-size: 16px; font-family: var(--font); text-align: center;
}
.email-popup .discount-tag {
  display: inline-block; background: rgba(0,113,227,0.1); color: var(--blue);
  border-radius: var(--radius-pill); padding: 4px 14px; font-size: 13px; font-weight: 600;
  margin-bottom: 14px;
}

/* ---------- Scroll fade-in ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Misc ---------- */
.page-hero { padding: 80px 0 40px; text-align: center; }
.page-hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 600; letter-spacing: -0.02em; }
.page-hero .section-sub { font-size: 20px; }
.prose { max-width: 720px; margin: 0 auto; font-size: 17px; color: #3a3a3c; }
.prose h2 { font-size: 30px; font-weight: 600; color: var(--black); margin: 44px 0 14px; letter-spacing: -0.015em; }
.prose h3 { font-size: 21px; font-weight: 600; color: var(--black); margin: 30px 0 10px; }
.prose p, .prose li { margin-bottom: 14px; line-height: 1.6; }
.prose ul { padding-left: 24px; }
.steps { max-width: 760px; margin: 0 auto; }
.step { display: flex; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--gray-mid); }
.step:last-child { border-bottom: 0; }
.step-num {
  font-size: 40px; font-weight: 600; color: var(--gray-mid); line-height: 1;
  min-width: 56px; letter-spacing: -0.03em;
}
.step h3 { font-size: 21px; font-weight: 600; margin-bottom: 6px; }
.step p { color: #6e6e73; font-size: 17px; }
.breadcrumb { font-size: 13px; color: var(--gray); padding: 18px 0 0; }
.copy-toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--black); color: var(--white); border-radius: var(--radius-pill);
  padding: 12px 24px; font-size: 14px; transition: transform .3s; z-index: 3000;
}
.copy-toast.show { transform: translateX(-50%) translateY(0); }

/* ---------- Mobile refinements ---------- */
@media (max-width: 640px) {
  .hero { padding: 72px 0 64px; }
  .hero-sub { font-size: 19px; }
  .section { padding: 64px 0; }
  .checkout-card, .review-form-card { padding: 28px 20px; }
  .email-popup { padding: 32px 22px; }
  .order-summary { flex-direction: column; gap: 6px; align-items: flex-start; }
  .step { gap: 14px; }
  .step-num { min-width: 40px; font-size: 30px; }
  .faq-item summary { font-size: 17px; }
  .hero-title { font-size: clamp(34px, 10vw, 48px); }
  .product-price { font-size: 34px; }
  .phone-mock { width: min(260px, 80vw); }
}