/* ==========================================================
   TrustLink — simplified design tokens
   Palette: deep trust-navy + sky accent + clean white
   ========================================================== */
:root{
  color-scheme: light dark;
  --bg: #F6F9FC;
  --surface: #FFFFFF;
  --header-bg: rgba(246,249,252,.88);
  --ink: #0E2238;
  --ink-soft: #52637B;
  --primary: #0B3B6B;
  --primary-deep: #082B4F;
  --heading: var(--primary-deep);
  --accent: #0EA5E9;
  --accent-deep: #0B84BD;
  --line: #DCE6F0;
  --line-soft: #EAF1F8;
  --shadow: 0 10px 28px rgba(11,59,107,.10);
  --radius: 18px;
  --font: 'Hind Siliguri', 'Segoe UI', sans-serif;
  --font-num: 'Space Grotesk', 'Hind Siliguri', sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg: #0A1626;
    --surface: #101F33;
    --header-bg: rgba(10,22,38,.88);
    --ink: #E8F1FB;
    --ink-soft: #9FB3CB;
    --heading: #F2F7FC;
    --primary: #56AEEE;
    --accent: #22B8F7;
    --accent-deep: #56C6FA;
    --line: #223C57;
    --line-soft: #172B42;
    --shadow: 0 10px 30px rgba(0,0,0,.4);
  }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:var(--font);
  color:var(--heading);
  line-height:1.25;
  margin:0 0 .5em;
  font-weight:700;
}
p{ margin:0 0 1em; color:var(--ink-soft); }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }

.wrap{ max-width:960px; margin:0 auto; padding:0 24px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:999px;
  border:1.5px solid transparent;
  padding:12px 24px;
  font-size:.96rem; font-weight:600;
  transition:transform .15s ease, background-color .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-deep); }
.btn-outline{ background:transparent; color:var(--heading); border-color:var(--line); }
.btn-outline:hover{ border-color:var(--accent); }
.btn-lg{ padding:15px 30px; font-size:1.02rem; }
.btn-block{ width:100%; margin-top:6px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:500;
  background:var(--header-bg);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px; gap:16px; flex-wrap:wrap; padding-block:8px;
}
.logo{ display:flex; align-items:center; gap:8px; }
.logo-dot{ width:12px; height:12px; border-radius:50%; background:var(--accent); }
.logo-text{ font-weight:700; font-size:1.2rem; color:var(--heading); }
.accent-ink{ color:var(--accent); }
.header-actions{ display:flex; gap:10px; }

/* ---------- Top contact bar (numbers only show if the sheet has them) ---------- */
.contact-bar{
  display:none;
  background:var(--primary-deep);
  padding:8px 0;
}
.contact-bar.is-visible{ display:block; }
.contact-bar-inner{ display:flex; justify-content:center; gap:10px; flex-wrap:wrap; }
.contact-pill{
  display:none;
  align-items:center; gap:6px;
  color:rgba(255,255,255,.92);
  font-size:.78rem; font-weight:600;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:5px 12px;
  transition:background .15s ease;
}
.contact-pill.is-visible{ display:inline-flex; }
.contact-pill:hover{ background:rgba(255,255,255,.16); }
.contact-pill svg{ color:var(--accent); flex-shrink:0; }

/* ---------- Banner strip: continuous right-to-left news ticker ---------- */
.banner-strip{
  display:none;
  overflow:hidden;
  background:linear-gradient(90deg, var(--accent-deep), var(--accent));
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.banner-strip.is-visible{ display:block; }
.banner-track{
  display:flex;
  width:max-content;
  animation:ticker 22s linear infinite;
}
.banner-item{
  color:#fff;
  font-size:.88rem;
  font-weight:600;
  white-space:nowrap;
  padding-right:64px;
}
.banner-item::before{
  content:"📢";
  margin-right:10px;
}
@keyframes ticker{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}
.banner-strip:hover .banner-track{ animation-play-state:paused; }

/* ---------- Hero ---------- */
.hero{ position:relative; padding:80px 0; text-align:center; overflow:hidden; }
.hero-glow{
  position:absolute; top:-160px; left:50%; transform:translateX(-50%);
  width:640px; height:420px; border-radius:50%;
  background:radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity:.16; filter:blur(10px); pointer-events:none;
}
.hero-inner{ position:relative; }
.eyebrow{ color:var(--accent-deep); font-weight:600; font-size:.9rem; margin-bottom:12px; }
.hero h1{ font-size:clamp(2.1rem, 5vw, 3.1rem); letter-spacing:-.01em; }
.hero-sub{ max-width:48ch; margin-inline:auto; font-size:1.05rem; }
.hero-actions{ display:flex; gap:14px; justify-content:center; margin:26px 0 30px; flex-wrap:wrap; }
.trust-line{ font-size:.86rem; color:var(--ink-soft); margin:0; }

/* ---------- Packages ---------- */
.packages{ padding:70px 0; }
.packages h2{ text-align:center; font-size:1.7rem; margin-bottom:36px; }
.plan-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.plan-loading{ grid-column:1/-1; text-align:center; color:var(--ink-soft); }
.plan-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 20px;
  text-align:center;
  transition:transform .15s ease, box-shadow .15s ease;
}
.plan-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.plan-card h3{ font-size:1.05rem; margin-bottom:10px; }
.plan-speed{ display:flex; align-items:baseline; justify-content:center; gap:6px; margin-bottom:6px; }
.plan-num{ font-family:var(--font-num); font-weight:700; font-size:2.2rem; color:var(--heading); }
.plan-speed span:last-child{ color:var(--ink-soft); font-weight:600; }
.plan-price{ font-family:var(--font-num); font-weight:700; font-size:1.15rem; color:var(--ink); margin-bottom:18px; }
.plan-price span{ font-family:var(--font); font-weight:400; font-size:.8rem; color:var(--ink-soft); }
.plan-cta{ width:100%; }

.plan-card.is-popular{ background:var(--primary-deep); border-color:var(--primary-deep); }
.plan-card.is-popular h3,
.plan-card.is-popular .plan-num,
.plan-card.is-popular .plan-price{ color:#fff; }
.plan-card.is-popular .plan-speed span:last-child,
.plan-card.is-popular .plan-price span{ color:rgba(255,255,255,.65); }
.popular-tag{
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background:var(--accent); color:#fff; font-size:.72rem; font-weight:700;
  padding:4px 14px; border-radius:999px;
}

/* ---------- App section ---------- */
.app-section{ background:var(--primary-deep); padding:70px 0; text-align:center; }
.app-inner h2{ color:#fff; max-width:28ch; margin-inline:auto; }
.app-inner p{ color:rgba(255,255,255,.68); max-width:44ch; margin:0 auto 26px; }
.store-buttons{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.store-btn{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:#fff; border-radius:12px; padding:12px 22px; font-weight:600;
  transition:background .15s ease;
}
.store-btn:hover{ background:rgba(255,255,255,.16); }

/* ---------- Final CTA ---------- */
.final-cta{ padding:70px 0; text-align:center; }
.final-cta h2{ margin-bottom:22px; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:32px 0; }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:16px;
}
.footer-contact{ display:flex; gap:18px; flex-wrap:wrap; }
.footer-contact a{ color:var(--ink-soft); font-size:.9rem; }
.footer-contact a:hover{ color:var(--heading); }
.footer-copy{ color:var(--ink-soft); font-size:.82rem; }

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(8,26,47,.5); backdrop-filter:blur(4px);
  display:none; align-items:center; justify-content:center; z-index:1000; padding:20px;
}
.modal-overlay.is-open{ display:flex; }
.modal{
  background:var(--surface); border-radius:var(--radius);
  padding:32px 28px; width:100%; max-width:400px;
  position:relative; box-shadow:var(--shadow);
  max-height:88vh; overflow-y:auto;
}
.modal-narrow{ max-width:340px; text-align:center; }
.modal-close{
  position:absolute; top:14px; left:14px;
  background:var(--line-soft); border:none; width:30px; height:30px; border-radius:50%;
  font-size:1.1rem; color:var(--ink-soft); line-height:1;
}
.modal h3{ font-size:1.2rem; padding-left:4px; margin-bottom:20px; }
#conn-form{ display:flex; flex-direction:column; gap:14px; }
#conn-form label{ display:flex; flex-direction:column; gap:6px; font-size:.85rem; color:var(--ink-soft); font-weight:600; }
#conn-form input,
#conn-form select{
  font-family:inherit; font-size:.95rem; padding:10px 13px;
  border:1.5px solid var(--line); border-radius:10px;
  background:var(--bg); color:var(--ink);
}
#conn-form input:focus,
#conn-form select:focus{ outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent); }

.modal-success{ display:none; text-align:center; padding:6px 0; }
.modal-success.is-open{ display:block; }
.modal-success .btn{ margin-top:16px; }

.store-buttons-modal{ justify-content:center; margin-top:4px; }
.store-buttons-modal .store-btn{ color:var(--heading); border-color:var(--line); background:var(--bg); }
.store-buttons-modal .store-btn:hover{ background:var(--line-soft); }

/* ---------- Accessibility ---------- */
a:focus-visible, button:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .plan-card, .btn, .store-btn{ transition:none; }
  .banner-track{ animation:none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px){
  .plan-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-inner{ flex-direction:column; text-align:center; }
}
@media (max-width: 480px){
  .header-actions{ width:100%; justify-content:center; }
  .plan-grid{ grid-template-columns:1fr; }
}