/* ============================================================
   MobileComm — stylesheet
   Palette: graphite/ink base, champagne-titanium accent
   Type: Space Grotesk (display) + Inter (body)
============================================================= */

:root{
  --ink:#f4f2ee;
  --ink-dim:#a9a9ad;
  --bg:#0b0c0e;
  --bg-raised:#131418;
  --bg-light:#f1efe9;
  --bg-light-raised:#ffffff;
  --line:rgba(255,255,255,.1);
  --line-light:rgba(10,10,10,.1);
  --accent:#c9a06a;
  --accent-soft:#e7cfa4;
  --accent-deep:#8a6a3c;
  --radius:14px;
  --maxw:1240px;
  --serifhead:"Space Grotesk", "Inter", sans-serif;
  --body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit; cursor:pointer;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
.section-tag{
  color:var(--accent); font-size:.82rem; letter-spacing:.02em;
  margin-bottom:10px; font-weight:600;
}
h1,h2,h3,h4{font-family:var(--serifhead); font-weight:600; letter-spacing:-.01em;}

/* ---------------- Header ---------------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(11,12,14,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.logo{
  font-family:var(--serifhead); font-weight:700; font-size:1.25rem;
  display:flex; align-items:center; gap:9px;
}
.logo .dot{
  width:9px; height:9px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));
}
.main-nav{display:flex; gap:34px;}
.main-nav a{
  font-size:.93rem; color:var(--ink-dim); transition:color .2s;
}
.main-nav a:hover{color:var(--ink);}
.header-actions{display:flex; align-items:center; gap:18px;}
.icon-btn{
  width:38px; height:38px; border-radius:50%;
  border:1px solid var(--line); display:flex; align-items:center;
  justify-content:center; background:transparent; color:var(--ink);
  font-size:1rem;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px; border-radius:100px; font-weight:600;
  font-size:.92rem; border:1px solid transparent; transition:all .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent-soft),var(--accent));
  color:#211505;
}
.btn-primary:hover{filter:brightness(1.08); transform:translateY(-1px);}
.btn-ghost{
  border-color:var(--line); color:var(--ink); background:transparent;
}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent-soft);}
.btn-small{padding:9px 18px; font-size:.82rem;}
.btn-block{width:100%;}
.nav-toggle{display:none; background:none; border:none; color:var(--ink); font-size:1.5rem;}

/* ---------------- Hero Slider ---------------- */
.hero{
  position:relative;
  height:100vh; height:100svh; min-height:560px; max-height:960px;
  overflow:hidden; background:#000;
}
.slides{height:100%; position:relative;}
.slide{
  position:absolute; inset:0; opacity:0; visibility:hidden;
  transition:opacity 1.1s ease;
  display:flex; align-items:center;
}
.slide.active{opacity:1; visibility:visible; z-index:1;}
.slide-bg{
  position:absolute; inset:0; z-index:0; overflow:hidden;
}
.slide-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(4,4,5,.88) 0%, rgba(4,4,5,.55) 42%, rgba(4,4,5,.18) 68%, rgba(4,4,5,.1) 100%),
    linear-gradient(0deg, rgba(4,4,5,.75) 0%, rgba(4,4,5,0) 30%);
}
.slide-bg img{
  width:100%; height:100%; object-fit:cover; object-position:center 22%;
  filter:saturate(1.08);
  transform:scale(1.12);
  transition:transform 7s cubic-bezier(.16,.6,.4,1);
}
.slide.active .slide-bg img{ transform:scale(1); }
.slide-content{
  position:relative; z-index:1; padding:0 28px; max-width:var(--maxw);
  margin:0 auto; width:100%;
}
.slide-content .inner{
  max-width:560px; opacity:0; transform:translateY(26px);
}
.slide-content .inner.play{
  animation:heroFadeUp .9s cubic-bezier(.2,.7,.3,1) .15s forwards;
}
@keyframes heroFadeUp{
  to{opacity:1; transform:translateY(0);}
}
.eyebrow-chip{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(255,255,255,.22); border-radius:100px;
  padding:7px 16px; font-size:.8rem; color:var(--accent-soft);
  margin-bottom:22px; background:rgba(255,255,255,.04); backdrop-filter:blur(6px);
}
.eyebrow-chip::before{
  content:""; width:6px; height:6px; border-radius:50%;
  background:var(--accent-soft); display:inline-block;
}
.slide-content h1{
  font-size:clamp(2.3rem,5.6vw,4.6rem); line-height:1.02;
  margin-bottom:18px; text-shadow:0 2px 30px rgba(0,0,0,.35);
}
.slide-content p{
  font-size:1.08rem; color:#e3e1db; max-width:460px; margin-bottom:26px;
  text-shadow:0 1px 12px rgba(0,0,0,.4);
}
.slide-price{
  font-size:1.05rem; color:var(--accent-soft); margin-bottom:26px; font-weight:600;
}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap;}

/* slide counter + progress */
.hero-meta{
  position:absolute; z-index:2; left:28px; bottom:28px;
  display:flex; align-items:center; gap:16px;
}
.hero-count{
  font-family:var(--serifhead); font-size:.82rem; color:var(--ink-dim);
  letter-spacing:.04em;
}
.hero-count b{color:var(--ink); font-weight:600;}
.slider-progress{
  width:120px; height:2px; background:rgba(255,255,255,.18);
  border-radius:2px; overflow:hidden;
}
.slider-progress span{
  display:block; height:100%; width:0%;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent-soft));
}
.slider-progress span.run{
  animation:heroProgress 5.5s linear forwards;
}
@keyframes heroProgress{ from{width:0%;} to{width:100%;} }

.slider-dots{
  position:absolute; bottom:28px; right:28px; left:auto; transform:none;
  z-index:2; display:flex; gap:9px;
}
.slider-dots button{
  width:8px; height:8px; border-radius:50%; border:none;
  background:rgba(255,255,255,.32); transition:all .3s;
}
.slider-dots button.active{
  background:var(--accent-soft); width:24px; border-radius:6px;
}
.slider-arrows{position:absolute; z-index:2; top:50%; transform:translateY(-50%); display:flex; justify-content:space-between; width:100%; padding:0 24px; pointer-events:none;}
.slider-arrows button{
  pointer-events:all; width:46px; height:46px; border-radius:50%;
  border:1px solid rgba(255,255,255,.25); background:rgba(10,10,12,.35);
  color:#fff; font-size:1.15rem; backdrop-filter:blur(8px);
  transition:background .2s, transform .2s, border-color .2s;
}
.slider-arrows button:hover{
  background:rgba(10,10,12,.6); border-color:var(--accent-soft); transform:scale(1.06);
}
.hero-scroll-cue{
  position:absolute; z-index:2; top:24px; right:28px;
  display:flex; align-items:center; gap:8px; font-size:.74rem;
  color:var(--ink-dim); letter-spacing:.06em;
}

/* ---------------- Generic section spacing ---------------- */
section{padding:96px 0;}
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  margin-bottom:48px; gap:24px; flex-wrap:wrap;
}
.section-head h2{font-size:clamp(1.8rem,3vw,2.6rem);}
.section-head p{color:var(--ink-dim); max-width:440px; font-size:.98rem;}

.light-section{background:var(--bg-light); color:#17171a;}
.light-section .ink-dim{color:#68686f;}
.light-section .section-tag{color:var(--accent-deep);}

/* ---------------- Marquee strip ---------------- */
.marquee-strip{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:22px 0; overflow:hidden; background:var(--bg-raised);
}
.marquee-track{display:flex; gap:64px; white-space:nowrap; animation:scrollmarq 26s linear infinite; width:max-content;}
.marquee-track span{font-family:var(--serifhead); font-size:1rem; color:var(--ink-dim); letter-spacing:.02em;}
.marquee-track span b{color:var(--accent-soft); font-weight:600;}
@keyframes scrollmarq{from{transform:translateX(0);} to{transform:translateX(-50%);}}

/* ---------------- Product cards ---------------- */
.product-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px;
}
.product-card{
  background:var(--bg-raised); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .25s, border-color .25s;
}
.product-card:hover{transform:translateY(-6px); border-color:var(--accent-deep);}
.pc-media{
  aspect-ratio:1/1.02; overflow:hidden; position:relative;
  display:flex; align-items:center; justify-content:center;
  padding:18px;
}
.pc-media img{width:100%; height:100%; object-fit:contain;}
.pc-badge{
  position:absolute; top:14px; left:14px; background:var(--accent-soft);
  color:#211505; font-size:.72rem; font-weight:700; padding:5px 11px;
  border-radius:100px;
}
.pc-body{padding:18px 20px 22px; display:flex; flex-direction:column; gap:10px; flex:1;}
.pc-body h3{font-size:1.08rem;}
.pc-color{font-size:.83rem; color:var(--ink-dim);}
.pc-specs{
  list-style:none; display:flex; flex-direction:column; gap:5px;
  font-size:.8rem; color:var(--ink-dim); margin:6px 0 4px;
}
.pc-specs li::before{content:"— "; color:var(--accent);}
.pc-price-row{
  display:flex; align-items:center; justify-content:space-between;
  margin-top:auto; padding-top:10px;
}
.pc-price{font-weight:700; font-size:1.15rem; font-family:var(--serifhead);}
.pc-old{font-size:.78rem; color:var(--ink-dim); text-decoration:line-through; margin-left:6px;}
.pc-actions{display:flex; gap:10px; margin-top:10px;}
.pc-actions .btn{flex:1; padding:11px 14px; font-size:.82rem;}

/* ---------------- Fold spotlight ---------------- */
.fold-spot{
  display:grid; grid-template-columns:1.1fr 1fr; gap:56px; align-items:center;
}
.fold-spot img{border-radius:20px;}
.fold-colors{display:flex; gap:12px; margin:20px 0 26px;}
.color-swatch{
  width:34px; height:34px; border-radius:50%; border:2px solid var(--line);
  cursor:pointer;
}
.fold-price-block{display:flex; align-items:center; gap:16px; margin-bottom:26px;}
.fold-price-block .pc-price{font-size:1.6rem;}
.fold-feature-list{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:30px;}
.fold-feature-list li{
  font-size:.88rem; color:var(--ink-dim); padding-left:20px; position:relative;
}
.fold-feature-list li::before{content:"✓"; position:absolute; left:0; color:var(--accent-soft);}

/* ---------------- Specs table ---------------- */
.specs-table{width:100%; border-collapse:collapse; font-size:.92rem;}
.specs-table th, .specs-table td{
  padding:16px 18px; text-align:left; border-bottom:1px solid var(--line-light);
}
.specs-table thead th{
  font-family:var(--serifhead); font-weight:600; color:#17171a;
}
.specs-table tbody tr td:first-child{color:#68686f;}
.specs-table-wrap{
  background:var(--bg-light-raised); border-radius:var(--radius);
  overflow:auto; border:1px solid var(--line-light);
}

/* ---------------- Features / why us ---------------- */
.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.feature-card{background:var(--bg); padding:34px 28px;}
.feature-card .ic{
  width:46px; height:46px; border-radius:12px; margin-bottom:20px;
  background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));
  display:flex; align-items:center; justify-content:center; font-size:1.3rem;
}
.feature-card h4{font-size:1.05rem; margin-bottom:10px;}
.feature-card p{font-size:.87rem; color:var(--ink-dim);}

/* ---------------- Testimonials ---------------- */
.testi-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.testi-card{
  background:var(--bg-light-raised); border:1px solid var(--line-light);
  border-radius:var(--radius); padding:28px;
}
.testi-stars{color:var(--accent-deep); margin-bottom:14px; font-size:.9rem;}
.testi-card p{font-size:.93rem; color:#3a3a3e; margin-bottom:18px;}
.testi-person{display:flex; align-items:center; gap:12px;}
.testi-avatar{
  width:40px; height:40px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));
  display:flex; align-items:center; justify-content:center; color:#211505; font-weight:700;
}
.testi-name{font-weight:600; font-size:.88rem;}
.testi-loc{font-size:.78rem; color:#88888f;}

/* ---------------- Payment options ---------------- */
.pay-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:16px;}
.pay-card{
  background:var(--bg-raised); border:1px solid var(--line); border-radius:12px;
  padding:22px 14px; text-align:center; font-size:.85rem; color:var(--ink-dim);
}
.pay-card .pic{font-size:1.6rem; margin-bottom:10px;}

/* ---------------- Newsletter CTA ---------------- */
.cta-banner{
  background:linear-gradient(120deg,#171310,#0b0c0e 60%);
  border:1px solid var(--line); border-radius:24px;
  padding:64px 56px; display:flex; align-items:center; justify-content:space-between;
  gap:32px; flex-wrap:wrap;
}
.cta-banner h2{max-width:480px; font-size:clamp(1.6rem,3vw,2.3rem);}
.cta-form{display:flex; gap:10px; min-width:320px;}
.cta-form input{
  flex:1; padding:14px 18px; border-radius:100px; border:1px solid var(--line);
  background:rgba(255,255,255,.04); color:var(--ink); font-size:.92rem;
}
.cta-form input::placeholder{color:var(--ink-dim);}

/* ---------------- Footer ---------------- */
footer{background:#08090b; border-top:1px solid var(--line); padding-top:70px;}
.footer-grid{
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr; gap:32px;
  padding-bottom:50px; border-bottom:1px solid var(--line);
}
.footer-brand p{color:var(--ink-dim); font-size:.88rem; margin:16px 0 20px; max-width:280px;}
.footer-social{display:flex; gap:10px;}
.footer-col h5{font-size:.86rem; margin-bottom:18px; color:var(--ink);}
.footer-col ul{display:flex; flex-direction:column; gap:11px;}
.footer-col a{font-size:.86rem; color:var(--ink-dim);}
.footer-col a:hover{color:var(--accent-soft);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding:26px 0; font-size:.8rem; color:var(--ink-dim); flex-wrap:wrap; gap:12px;
}
.footer-pay-icons{display:flex; gap:10px; font-size:1.3rem; color:var(--ink-dim);}

/* ---------------- Checkout page ---------------- */
.checkout-wrap{max-width:960px; margin:120px auto 80px; padding:0 28px;}
.checkout-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:40px;}
.checkout-card{background:var(--bg-raised); border:1px solid var(--line); border-radius:var(--radius); padding:30px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px;}
.form-row.full{grid-template-columns:1fr;}
.form-row input, .form-row select{
  padding:13px 14px; border-radius:9px; border:1px solid var(--line);
  background:rgba(255,255,255,.04); color:var(--ink); width:100%; font-size:.9rem;
}
label{font-size:.78rem; color:var(--ink-dim); margin-bottom:6px; display:block;}
.pay-methods{display:flex; flex-direction:column; gap:10px; margin:18px 0 26px;}
.pay-method{
  display:flex; align-items:center; gap:12px; border:1px solid var(--line);
  padding:14px 16px; border-radius:10px; cursor:pointer;
}
.pay-method input{accent-color:var(--accent);}
.order-summary-row{display:flex; justify-content:space-between; font-size:.9rem; margin-bottom:10px; color:var(--ink-dim);}
.order-summary-total{
  display:flex; justify-content:space-between; font-size:1.15rem; font-weight:700;
  border-top:1px solid var(--line); padding-top:16px; margin-top:12px; font-family:var(--serifhead);
}
.success-box{
  background:var(--bg-raised); border:1px solid var(--accent-deep); border-radius:var(--radius);
  padding:44px; text-align:center; max-width:560px; margin:140px auto;
}
.success-box .tick{
  width:64px; height:64px; border-radius:50%; margin:0 auto 20px;
  background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));
  display:flex; align-items:center; justify-content:center; font-size:1.8rem; color:#211505;
}

/* ---------------- Responsive ---------------- */
@media (max-width:1024px){
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .testi-grid{grid-template-columns:1fr 1fr;}
  .pay-grid{grid-template-columns:repeat(3,1fr);}
  .fold-spot{grid-template-columns:1fr; gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr; gap:36px 20px;}
  .checkout-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .product-grid{grid-template-columns:1fr 1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  section{padding:64px 0;}
  .cta-banner{padding:40px 26px; flex-direction:column; align-items:flex-start;}
  .cta-form{width:100%;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}

  /* ---- Hero: bottom-anchored layout for touch screens ---- */
  .hero{height:100svh; min-height:540px; max-height:820px;}
  .slide{align-items:flex-end;}
  .slide-bg::after{
    background:
      linear-gradient(0deg, rgba(4,4,5,.95) 0%, rgba(4,4,5,.65) 34%, rgba(4,4,5,.15) 62%, rgba(4,4,5,.05) 100%);
  }
  .slide-bg img{object-position:center 14%;}
  .slide-content{padding:0 22px 104px;}
  .slide-content .inner{max-width:100%;}
  .slide-content h1{font-size:clamp(2rem,8vw,2.7rem);}
  .slide-content p{font-size:.96rem; max-width:100%; margin-bottom:20px;}
  .eyebrow-chip{margin-bottom:16px;}
  .hero-cta{width:100%;}
  .hero-cta .btn{flex:1; min-width:140px; padding:13px 16px;}
  .hero-meta{left:22px; bottom:20px;}
  .slider-progress{width:70px;}
  .slider-dots{right:22px; bottom:20px;}
  .slider-arrows{display:none;}
  .hero-scroll-cue{display:none;}
}
@media (max-width:520px){
  .product-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  .hero-meta{display:none;}
  .slider-dots{bottom:18px; left:50%; right:auto; transform:translateX(-50%);}
  .slide-content{padding-bottom:86px;}
}
@media (max-height:640px) and (max-width:720px){
  .hero{min-height:480px;}
  .slide-content h1{font-size:1.8rem; margin-bottom:10px;}
  .slide-content p{display:none;}
  .slide-price{margin-bottom:16px;}
}