:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #101b2e;
  --muted: #5f6d84;
  --navy: #0d1a30;
  --steel: #1b2a46;
  --teal: #25d2c8;
  --cyan: #74d9ff;
  --coral: #ff6f61;
  --silver: #e7ecf5;
  --ok: #17b26a;
  --shadow: 0 14px 38px rgba(13, 26, 48, 0.12);
  --shadow-soft: 0 10px 24px rgba(13, 26, 48, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 10%, #f9fcff, #f2f5fa 45%, #edf1f8);
  line-height: 1.5;
}

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

img {
  width: 100%;
  display: block;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 64px 0;
}

.section-dark {
  background: linear-gradient(150deg, #0e1a31, #132745 50%, #112137);
  color: #e9f0ff;
}

.promo-bar {
  position: sticky;
  top: 0;
  z-index: 1200;
  overflow: hidden;
  background: linear-gradient(90deg, #14294c, #1e3762, #0f233f);
  color: #c9dcff;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.promo-track {
  display: flex;
  gap: 26px;
  padding: 10px 0;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

header.site-header {
  position: sticky;
  top: 38px;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(16, 27, 46, 0.08);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  min-height: 74px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.logo span {
  color: var(--coral);
}

.nav-links {
  display: none;
  gap: 18px;
  color: #243350;
}

.nav-links a {
  font-weight: 500;
}

.menu-btn {
  border: 1px solid rgba(13, 26, 48, 0.16);
  background: #fff;
  border-radius: 12px;
  padding: 8px 10px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.cta-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--coral), #ff846c);
  box-shadow: 0 12px 26px rgba(255, 111, 97, 0.38);
}

.cta-secondary {
  color: #12335b;
  background: #e6f6ff;
}

.cta-marketplace {
  color: #172b4d;
  background: linear-gradient(180deg, #ffe6a9, #ffd166);
  box-shadow: 0 10px 24px rgba(255, 202, 87, 0.4);
}

.cta:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 70px;
}

.hero-grid {
  display: grid;
  gap: 28px;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  background: rgba(37, 210, 200, 0.12);
  color: #067c7f;
  border: 1px solid rgba(37, 210, 200, 0.32);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.2);
  }
}

.hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  line-height: 1.08;
}

.hero p {
  color: var(--muted);
  max-width: 56ch;
}

.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip {
  font-size: 0.82rem;
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid rgba(16, 27, 46, 0.12);
  box-shadow: var(--shadow-soft);
}

.hero-media {
  position: relative;
  min-height: 360px;
}

.halo {
  position: absolute;
  width: 78%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(116, 217, 255, 0.65), rgba(37, 210, 200, 0.07), transparent 70%);
  top: 10%;
  left: 12%;
  filter: blur(2px);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.95);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.05);
    opacity: 1;
  }
}

.device-frame {
  position: absolute;
  inset: 8% 5% 4%;
  padding: 18px;
  border-radius: 44px 20px 36px 22px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.32));
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
}

.device-card {
  border-radius: 28px 38px 22px 30px;
  background: linear-gradient(150deg, #fdfefe, #edf3fb);
  box-shadow: inset 0 -8px 18px rgba(13, 26, 48, 0.08);
  padding: 16px;
  height: 100%;
}

.device-screen {
  margin: 0 auto 16px;
  width: 80%;
  border-radius: 18px;
  padding: 16px;
  background: #fff;
  border: 1px solid #dce5f2;
  text-align: center;
}

.device-reading {
  font-size: 1.9rem;
  font-weight: 800;
  color: #1b2a46;
}

.device-sub {
  font-size: 0.85rem;
  color: #6f7f99;
}

.device-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.device-buttons span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #cfdbec;
}

.floating-label {
  position: absolute;
  font-size: 0.78rem;
  font-weight: 600;
  color: #1a3e6b;
  background: rgba(255, 255, 255, 0.88);
  padding: 8px 10px;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  animation: float 3.2s ease-in-out infinite;
}

.floating-label.one {
  top: 12%;
  right: 2%;
}

.floating-label.two {
  bottom: 16%;
  left: 0;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.grid-cards {
  display: grid;
  gap: 14px;
}

.card {
  background: #fff;
  color: var(--ink);
  border: 1px solid #e4e9f3;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card p {
  color: #42506a;
}

.card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow);
}

.icon {
  width: 44px;
  height: 44px;
  border-radius: 12px 16px 10px 14px;
  margin-bottom: 10px;
  background: linear-gradient(160deg, #daffff, #e5eeff);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #15557d;
  animation: iconLoop 3s ease-in-out infinite;
}

@keyframes iconLoop {
  0%,
  100% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(3deg);
  }
}

.split {
  display: grid;
  gap: 20px;
  align-items: center;
}

.image-mask {
  border-radius: 34px 20px 50px 18px;
  overflow: hidden;
  background: linear-gradient(140deg, #dff8ff, #edf0f7);
  min-height: 260px;
  position: relative;
  isolation: isolate;
}

.image-mask::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(13, 26, 48, 0), rgba(13, 26, 48, 0.06));
}

.fake-photo {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #244f70;
}

.product-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight {
  border-radius: 36px;
  background: radial-gradient(circle at 70% 20%, rgba(37, 210, 200, 0.25), rgba(13, 26, 48, 0.95) 55%);
  padding: 24px;
  color: #eff8ff;
  box-shadow: var(--shadow);
}

.spec-table {
  display: grid;
  gap: 12px;
}

.spec-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: #fff;
  color: var(--ink);
  border: 1px solid #e2e8f3;
  border-radius: 14px;
  padding: 13px 14px;
}

.spec-item strong {
  color: #31415d;
}

.review {
  background: linear-gradient(140deg, #ffffff, #f6f9ff);
}

.price-box {
  background: #fff;
  color: #12223d;
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.old-price {
  text-decoration: line-through;
  color: #6b7a93;
}

.promo-price {
  font-size: 2rem;
  font-weight: 800;
  color: #0f2c57;
}

.save {
  display: inline-block;
  margin-top: 4px;
  color: var(--ok);
  font-weight: 700;
}

.qty-wrap {
  display: flex;
  gap: 10px;
  margin: 14px 0;
}

.qty-wrap select,
.input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d4deed;
  padding: 12px;
  font: inherit;
}

.order-form {
  margin-top: 12px;
}

.form-grid-2 {
  display: grid;
  gap: 10px;
}

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  color: #455675;
}

.terms-check input {
  margin-top: 2px;
}

.form-feedback {
  min-height: 20px;
  margin: 8px 2px 0;
  color: #39527a;
}

.form-feedback.error {
  color: #b42318;
}

.input.error {
  border-color: #f09a9a;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
}

.order-shell {
  background: #fff;
  border: 1px solid #dce5f3;
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.checkout-layout {
  display: grid;
  gap: 14px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed #d7e0ee;
}

.summary-row.total {
  border-bottom: 0;
  font-weight: 800;
  color: #0f2c57;
  font-size: 1.08rem;
}

.disclaimer {
  margin-top: 12px;
  background: #fff8e9;
  border: 1px solid #f8deb4;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.83rem;
  color: #6c4e20;
}

.stats {
  display: grid;
  gap: 12px;
}

.stat {
  border-radius: 16px;
  background: #fff;
  border: 1px solid #e2e8f3;
  padding: 16px;
  text-align: center;
}

.counter {
  font-size: 1.8rem;
  font-weight: 800;
  color: #10294f;
}

.faq-item {
  border: 1px solid #dbe4f3;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.faq-q {
  width: 100%;
  text-align: left;
  font: inherit;
  border: 0;
  background: #fff;
  padding: 14px 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 16px;
  color: #5e6c84;
}

.faq-item.open .faq-a {
  max-height: 180px;
  padding: 0 16px 14px;
}

.contact-grid {
  display: grid;
  gap: 14px;
}

.sticky-buy {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  transform: translateY(120%);
  transition: transform 0.35s ease;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(13, 26, 48, 0.94);
  color: #f2f8ff;
  backdrop-filter: blur(6px);
}

.sticky-buy.show {
  transform: translateY(0);
}

.sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

footer {
  background: #0f1d33;
  color: #bdcce9;
  padding: 44px 0 90px;
}

footer .logo {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 18px;
}

.small {
  font-size: 0.85rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: all 0.65s ease;
}

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

.mobile-menu {
  position: fixed;
  inset: 112px 10px auto;
  background: #fff;
  border: 1px solid #dce5f3;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 12px;
  display: none;
  flex-direction: column;
  gap: 10px;
  z-index: 1100;
}

.mobile-menu.show {
  display: flex;
}

.legal-page h1 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

.legal-page .card {
  margin-bottom: 14px;
}

@media (min-width: 780px) {
  .section {
    padding: 88px 0;
  }
  .hero-grid,
  .split {
    grid-template-columns: 1.05fr 0.95fr;
  }
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1.3fr repeat(3, 1fr);
  }
  .checkout-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: flex;
  }
  .menu-btn {
    display: none;
  }
}