/* ==========================================================================
   Axcelsith — Independent Mobile Deals Comparison
   Design tokens: deep navy / signal teal / meter amber
   Fonts: system stack only (no external font requests, no CDN)
   ========================================================================== */

:root{
  --navy-950: #0B1B2E;
  --navy-900: #10233F;
  --navy-800: #16304F;
  --teal-500: #1FB8A6;
  --teal-400: #3ED4C2;
  --amber-500: #F2A93B;
  --amber-600: #DC8E1E;
  --paper: #F6F8FA;
  --paper-raised: #FFFFFF;
  --line: #E1E6EC;
  --ink: #1B2430;
  --ink-soft: #566072;
  --ink-faint: #8A93A3;

  --font-display: "Avenir Next", "Segoe UI Semibold", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, Courier, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --shadow-card: 0 1px 2px rgba(16,35,63,0.06), 0 8px 24px -12px rgba(16,35,63,0.18);
  --shadow-card-hover: 0 4px 10px rgba(16,35,63,0.08), 0 16px 32px -14px rgba(16,35,63,0.24);
}

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

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg{ display:block; max-width:100%; }

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

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--navy-900);
  margin: 0 0 0.5em;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; color: var(--ink-soft); }

.container{
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Visible keyboard focus */
a:focus-visible, button:focus-visible, .btn:focus-visible{
  outline: 3px solid var(--amber-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--navy-900); color:#fff; padding: 12px 18px;
  border-radius: 0 0 8px 0; z-index: 200;
}
.skip-link:focus{ left:0; top:0; }

/* ---------- Top utility bar ---------- */
.utility-bar{
  background: var(--navy-950);
  color: #C9D3E0;
  font-size: 0.82rem;
}
.utility-bar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; gap: 12px; flex-wrap: wrap;
}
.utility-bar strong{ color:#fff; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(246,248,250,0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 14px; padding-bottom: 14px; gap: 20px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.32rem;
  color: var(--navy-900);
}
.brand-mark{
  width: 34px; height: 34px; flex: none;
}
.brand-tag{
  display:block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1px;
}

.main-nav{ display:flex; align-items:center; gap: 26px; }
.main-nav a{
  font-size: 0.94rem; font-weight: 600; color: var(--ink-soft);
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.main-nav a:hover{ color: var(--navy-900); border-color: var(--teal-500); }

.call-pill{
  display:inline-flex; align-items:center; gap:10px;
  background: var(--navy-900); color:#fff;
  padding: 10px 18px; border-radius: 999px;
  font-weight: 700; font-size: 0.96rem;
  box-shadow: var(--shadow-card);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.call-pill:hover{ transform: translateY(-1px); box-shadow: var(--shadow-card-hover); background: var(--navy-800); }
.call-pill .ico{ width:18px; height:18px; }
.call-pill small{
  display:block; font-weight:500; font-size:0.66rem; color: var(--teal-400);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.nav-toggle{ display:none; }

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(1200px 480px at 85% -10%, rgba(31,184,166,0.16), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900) 65%, var(--navy-800));
  color:#fff;
  position: relative;
  overflow: hidden;
}
.hero .container{
  padding-top: 76px; padding-bottom: 64px;
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--teal-400);
  background: rgba(62,212,194,0.1);
  border: 1px solid rgba(62,212,194,0.35);
  padding: 6px 12px; border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1{
  color: #fff; font-size: clamp(2.1rem, 3.4vw, 3.05rem);
  max-width: 15ch;
}
.hero h1 em{ font-style:normal; color: var(--teal-400); }
.hero p.lead{
  color: #C9D3E0; font-size: 1.08rem; max-width: 46ch; margin-bottom: 28px;
}
.hero-actions{ display:flex; align-items:center; gap:18px; flex-wrap: wrap; }
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-weight: 700; font-size: 1rem;
  padding: 14px 24px; border-radius: 12px;
  border: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background: var(--amber-500); color: var(--navy-950);
  box-shadow: 0 10px 24px -8px rgba(242,169,59,0.55);
}
.btn-primary:hover{ background: var(--amber-600); transform: translateY(-1px); }
.btn-ghost{
  background: transparent; color:#fff; border: 1px solid rgba(255,255,255,0.28);
}
.btn-ghost:hover{ border-color: rgba(255,255,255,0.6); }
.hero-note{
  font-size: 0.82rem; color: #92A1B6; margin-top: 18px; max-width: 42ch;
}

/* Signature element: animated signal-meter panel */
.meter-panel{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 26px 26px 22px;
  backdrop-filter: blur(6px);
}
.meter-panel-head{
  display:flex; justify-content:space-between; align-items:baseline;
  margin-bottom: 18px;
}
.meter-panel-head span{ font-family: var(--font-mono); font-size:0.72rem; color:#93A1B5; letter-spacing:0.05em; text-transform:uppercase;}
.meter-row{ margin-bottom: 16px; }
.meter-row:last-child{ margin-bottom: 0; }
.meter-label{
  display:flex; justify-content:space-between;
  font-size: 0.82rem; color:#C9D3E0; margin-bottom: 6px;
  font-family: var(--font-mono);
}
.meter-track{
  height: 8px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow:hidden;
}
.meter-fill{
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--teal-500), var(--teal-400));
  width: 0%;
  animation: fillmeter 1.4s ease forwards;
  animation-delay: .15s;
}
.meter-fill.amber{ background: linear-gradient(90deg, var(--amber-600), var(--amber-500)); }
@keyframes fillmeter{ to{ width: var(--target, 60%); } }

/* ---------- Section basics ---------- */
section{ padding: 72px 0; }
.section-head{ max-width: 62ch; margin-bottom: 40px; }
.section-head .eyebrow{
  color: var(--teal-500);
  background: rgba(31,184,166,0.08);
  border-color: rgba(31,184,166,0.3);
}
.section-alt{ background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- How it works ---------- */
.steps{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.step-card{
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 26px 22px;
}
.step-index{
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--teal-500);
  letter-spacing: 0.05em; margin-bottom: 10px; display:block;
}
.step-card h3{ font-size: 1.08rem; margin-bottom: 8px; }
.step-card p{ font-size: 0.94rem; margin-bottom: 0; }

/* ---------- Deals comparison ---------- */
.deal-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.deal-card{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px 22px;
  box-shadow: var(--shadow-card);
  display:flex; flex-direction:column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  position: relative;
}
.deal-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-card-hover); border-color: var(--teal-500); }
.deal-card.is-popular{ border-color: var(--amber-500); }
.deal-tag{
  position:absolute; top:-12px; right:22px;
  background: var(--amber-500); color: var(--navy-950);
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.deal-name{ font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.deal-card h3{ font-size: 1.3rem; margin-bottom: 4px; }
.deal-price{
  font-family: var(--font-mono); font-size: 1rem; color: var(--ink-soft); margin-bottom: 18px;
}
.deal-price strong{ font-size: 1.5rem; color: var(--navy-900); font-family: var(--font-display); }
.deal-specs{ list-style:none; margin: 0 0 22px; padding: 0; flex:1; }
.deal-specs li{
  display:flex; align-items:center; gap: 10px;
  font-size: 0.92rem; color: var(--ink); padding: 7px 0; border-top: 1px dashed var(--line);
}
.deal-specs li:first-child{ border-top:none; }
.deal-specs .ico{ width:16px; height:16px; flex:none; color: var(--teal-500); }
.deal-card .btn{ width:100%; justify-content:center; }
.deal-card .btn-outline{
  background: transparent; color: var(--navy-900); border: 1.5px solid var(--navy-900);
  padding: 12px 20px; border-radius: 12px; font-weight:700;
}
.deal-card .btn-outline:hover{ background: var(--navy-900); color:#fff; }
.deal-card.is-popular .btn-outline{ background: var(--navy-900); color:#fff; }
.deal-card.is-popular .btn-outline:hover{ background: var(--amber-500); border-color: var(--amber-500); color: var(--navy-950); }

.price-disclaimer{
  font-size: 0.82rem; color: var(--ink-faint); margin-top: 26px; max-width: 72ch;
}

/* ---------- Why compare ---------- */
.why-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.why-card h3{ font-size: 1.05rem; display:flex; align-items:center; gap:10px; }
.why-card .ico{ width:22px; height:22px; color: var(--teal-500); flex:none; }
.why-card p{ font-size: 0.94rem; }

/* ---------- About / operator ---------- */
.about-panel{
  background: var(--navy-900); color:#fff; border-radius: var(--radius-lg);
  padding: 44px 40px; display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items:center;
}
.about-panel h2{ color:#fff; }
.about-panel p{ color:#C9D3E0; }
.about-fact{
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md); padding: 18px 20px;
}
.about-fact dt{ font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--teal-400); margin-bottom: 4px; }
.about-fact dd{ margin: 0 0 14px; font-weight: 600; }
.about-fact dd:last-child{ margin-bottom: 0; }

/* ---------- Final CTA ---------- */
.final-cta{
  background: linear-gradient(180deg, var(--paper), #EDF1F5);
  text-align:center;
}
.final-cta h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.final-cta p{ max-width: 52ch; margin-left:auto; margin-right:auto; }
.final-cta .call-pill{ background: var(--navy-900); }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--navy-950); color: #92A1B6; padding: 56px 0 28px; font-size: 0.9rem;
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 36px;
}
.footer-brand .brand{ color:#fff; margin-bottom: 10px; }
.footer-brand p{ color: #7C8BA0; max-width: 40ch; }
.site-footer h4{
  color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 14px; font-family: var(--font-body);
}
.footer-links{ list-style:none; margin:0; padding:0; }
.footer-links li{ margin-bottom: 10px; }
.footer-links a:hover{ color: var(--teal-400); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 22px;
  display:flex; justify-content:space-between; gap: 20px; flex-wrap: wrap;
  font-size: 0.82rem; color: #6B7A8F;
}
.footer-disclaimer{ max-width: 74ch; line-height: 1.6; margin-bottom: 18px; color: #6B7A8F; font-size: 0.82rem; }

/* ---------- Legal pages ---------- */
.legal-hero{
  background: linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: #fff; padding: 58px 0 44px;
}
.legal-hero .eyebrow{ color: var(--teal-400); border-color: rgba(62,212,194,0.35); background: rgba(62,212,194,0.08); }
.legal-hero h1{ color:#fff; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.legal-hero p{ color:#C9D3E0; }
.legal-body{ padding: 52px 0 76px; }
.legal-layout{ display:grid; grid-template-columns: 220px 1fr; gap: 48px; align-items:start; }
.legal-toc{
  position: sticky; top: 96px;
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 18px; font-size: 0.86rem;
}
.legal-toc h4{ font-size: 0.72rem; text-transform:uppercase; letter-spacing:0.06em; color: var(--ink-faint); margin: 0 0 10px; }
.legal-toc ol{ margin:0; padding-left: 18px; color: var(--ink-soft); }
.legal-toc li{ margin-bottom: 8px; }
.legal-toc a:hover{ color: var(--teal-500); }
.legal-content h2{ font-size: 1.25rem; margin-top: 2.2em; scroll-margin-top: 100px; }
.legal-content h2:first-child{ margin-top: 0; }
.legal-content p, .legal-content li{ color: var(--ink-soft); font-size: 0.98rem; }
.legal-content ul{ padding-left: 20px; }
.legal-content .updated{
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-faint);
  margin-bottom: 30px; display:inline-block; background: var(--paper);
  border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px;
}

/* ---------- Utility ---------- */
.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .container{ grid-template-columns: 1fr; padding-top: 52px; }
  .meter-panel{ order:-1; }
  .deal-grid{ grid-template-columns: repeat(2, 1fr); }
  .steps{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
  .about-panel{ grid-template-columns: 1fr; padding: 32px 26px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .legal-layout{ grid-template-columns: 1fr; }
  .legal-toc{ position: static; }
}
@media (max-width: 720px){
  .main-nav{
    position: fixed; inset: 62px 0 0 0; background: var(--paper);
    flex-direction: column; align-items:flex-start; padding: 24px;
    gap: 4px; transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .18s ease, transform .18s ease;
    border-top: 1px solid var(--line);
  }
  .main-nav a{ width:100%; padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .main-nav.is-open{ opacity:1; transform: translateY(0); pointer-events:auto; }
  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line);
    background: var(--paper-raised); cursor:pointer;
  }
  .header-actions{ display:flex; align-items:center; gap: 10px; }
  .call-pill span.pill-text{ display:none; }
  .call-pill{ padding: 10px 14px; }
  .deal-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
  .utility-bar .container{ font-size: 0.76rem; }
}