:root {
  --navy: #14213d;
  --navy-2: #1d2f57;
  --coral: #ff5a5f;
  --coral-dark: #e23e44;
  --yellow: #ffb703;
  --paper: #ffffff;
  --mist: #f4f6fa;
  --ink: #14213d;
  --muted: #5b6478;
  --line: #e2e6ee;
  --green: #1f9a55;
  --radius: 18px;
  --max: 1180px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
img { height: auto; background: var(--mist); }
a { color: inherit; }
[hidden] { display: none !important; }

h1, h2, h3 { line-height: 1.05; margin: 0 0 .5em; font-weight: 800; letter-spacing: -0.035em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.08rem; letter-spacing: -0.01em; line-height: 1.3; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.hl { color: var(--coral); }
.eyebrow { font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--yellow); margin-bottom: .9em; }
.eyebrow-dark { color: var(--coral-dark); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 34em; }

.announce { margin: 0; background: var(--coral); color: #fff; text-align: center; font-weight: 700; font-size: .88rem; padding: 8px 16px; }

.btn { display: inline-block; padding: .85em 1.6em; border-radius: 999px; background: var(--coral); color: #fff; font: inherit; font-weight: 800; text-decoration: none; border: 2px solid var(--coral); cursor: pointer; transition: background .15s, transform .15s; }
.btn:hover { background: var(--coral-dark); border-color: var(--coral-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn:focus-visible, .filter:focus-visible, .add:focus-visible, .cart:focus-visible, summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; height: 70px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { background: none; }
.wordmark { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.045em; color: var(--navy); }
.wordmark b { color: var(--coral); }
.wordmark-light { color: #fff; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-weight: 700; font-size: .95rem; color: var(--muted); }
.nav a:hover { color: var(--coral-dark); }
.cart { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--mist); }
.cart svg { width: 24px; height: 24px; fill: none; stroke: var(--ink); stroke-width: 1.800; stroke-linejoin: round; stroke-linecap: round; }
.cart-count { position: absolute; top: -3px; right: -3px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 10px; background: var(--navy); color: #fff; font-size: .72rem; font-weight: 800; display: grid; place-items: center; }
.cart-count.has-items { background: var(--coral); }

.hero { padding: 60px 0 72px; color: #fff; background: radial-gradient(circle at 80% 40%, var(--navy-2), var(--navy) 60%); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px; }
.hero .lead { color: rgba(255,255,255,.82); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-art { position: relative; height: 420px; }
.hero-phone { position: absolute; left: 50%; top: 50%; width: 230px; transform: translate(-50%, -50%) rotate(6deg); border-radius: 28px; overflow: hidden; border: 6px solid #0b1326; box-shadow: 0 30px 60px rgba(0,0,0,.45); }
.hero-phone img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.sim { position: absolute; left: 4%; top: 12%; width: 104px; height: 132px; background: #fff; color: var(--navy); border-radius: 12px 28px 12px 12px; padding: 14px; transform: rotate(-12deg); box-shadow: 0 16px 30px rgba(0,0,0,.3); z-index: 2; }
.sim-chip { display: block; width: 46px; height: 36px; border-radius: 8px; background: linear-gradient(135deg, #f4d06f, #c9a13b); margin: 10px auto 14px; box-shadow: inset 0 0 0 2px rgba(0,0,0,.12); }
.sim-label { display: block; text-align: center; font-weight: 800; font-size: .82rem; }
.tag { position: absolute; z-index: 2; background: #fff; color: var(--green); font-weight: 800; font-size: .9rem; padding: .45em .9em; border-radius: 999px; box-shadow: 0 10px 20px rgba(0,0,0,.25); }
.t1 { right: 0; top: 18%; }
.t2 { right: 8%; bottom: 10%; }

.brands { background: var(--mist); border-bottom: 1px solid var(--line); }
.brands-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; }
.brands-label { font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.brands ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 30px; }
.brands li { font-size: 1.15rem; font-weight: 800; color: var(--navy); letter-spacing: -0.01em; }

.section { padding: 80px 0; }
.section-alt { background: var(--mist); }
.section-dark { background: var(--navy); color: #fff; }
.section-dark .lead { color: rgba(255,255,255,.8); }

.shop-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.shop-head h2 { margin-bottom: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter { font: inherit; font-weight: 700; font-size: .9rem; padding: .5em 1.05em; border-radius: 999px; background: #fff; color: var(--ink); border: 2px solid var(--line); cursor: pointer; }
.filter:hover { border-color: var(--navy); }
.filter.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.product { display: flex; flex-direction: column; background: #fff; border: 2px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .15s, transform .15s; }
.product:hover { border-color: var(--coral); transform: translateY(-3px); }
.product-art { position: relative; overflow: hidden; }
.product-art img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.product-art img.top { object-position: 50% 0; }
.badge { position: absolute; top: 12px; left: 12px; background: #fff; color: var(--green); font-size: .72rem; font-weight: 800; padding: .3em .75em; border-radius: 999px; }
.product-body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.product-desc { color: var(--muted); font-size: .92rem; }
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.price { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.add { font: inherit; font-weight: 800; font-size: .86rem; padding: .55em 1em; border-radius: 999px; background: var(--navy); color: #fff; border: 0; cursor: pointer; }
.add:hover { background: var(--coral); }

.sim-explain { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.col { border-radius: var(--radius); padding: 22px 22px 18px; }
.col h3 { font-size: 1.1rem; }
.col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.col li { padding-left: 26px; position: relative; font-size: .95rem; }
.col-bad { background: var(--navy-2); color: rgba(255,255,255,.8); }
.col-bad li::before { content: "✕"; position: absolute; left: 0; color: var(--coral); font-weight: 800; }
.col-good { background: #fff; color: var(--ink); box-shadow: 0 20px 40px rgba(0,0,0,.3); }
.col-good li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }

.faq { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.faq .lead { margin-bottom: 1.4em; }
.faq .btn { background: var(--navy); border-color: var(--navy); }
.faq .btn:hover { background: var(--navy-2); border-color: var(--navy-2); }
.faq-list { display: grid; gap: 10px; }
.faq-list details { background: #fff; border-radius: 14px; padding: 2px 20px; }
.faq-list summary { cursor: pointer; font-weight: 800; padding: 15px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--coral); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { margin: 0 0 16px; color: var(--muted); }

.site-footer { background: var(--navy); color: rgba(255,255,255,.72); font-size: .88rem; }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; }
.footer-inner p { margin: 0; }

@media (max-width: 1040px) {
  .products { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 880px) {
  .nav { display: none; }
  .cart { margin-left: auto; }
  .hero-inner, .sim-explain, .faq { grid-template-columns: 1fr; gap: 34px; }
  .hero-art { height: 360px; max-width: 420px; width: 100%; margin: 0 auto; }
  .hero-phone { width: 190px; }
  .products { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .announce { font-size: .8rem; }
  .products { gap: 10px; }
  .product-body { padding: 12px; }
  .product h3 { font-size: .95rem; }
  .product-desc { display: none; }
  .price { font-size: 1.15rem; }
  .add { width: 100%; }
  .compare { grid-template-columns: 1fr; }
  .sim { width: 88px; height: 112px; }
  .brands li { font-size: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}