/* CoreShield — site styles */

:root {
  --bg: #f4f4f7;
  --bg-2: #ffffff;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --border: rgba(18, 20, 28, 0.08);
  --text: #14161c;
  --muted: #6b7180;
  --accent: #ff5f1f;
  --accent-2: #ffa14a;
  --accent-soft: rgba(255, 95, 31, 0.1);
  --nav-h: 68px;
  --radius: 22px;
  --shadow-sm: 0 1px 2px rgba(18, 20, 28, 0.04), 0 8px 24px rgba(18, 20, 28, 0.05);
  --shadow-lg: 0 2px 6px rgba(18, 20, 28, 0.05), 0 24px 60px rgba(18, 20, 28, 0.1);
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 45% at 50% 0%, rgba(255, 255, 255, 0.95), transparent 70%),
    radial-gradient(45% 40% at 88% 12%, rgba(255, 145, 60, 0.16), transparent 70%),
    radial-gradient(50% 45% at 6% 88%, rgba(255, 95, 31, 0.08), transparent 70%);
  pointer-events: none;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
::selection { background: rgba(255, 95, 31, 0.18); }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 max(5vw, calc((100vw - var(--max)) / 2));
  background: rgba(244, 244, 247, 0.72);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(244, 244, 247, 0.88); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.nav-logo img { width: 30px; height: 30px; object-fit: contain; }

.nav-links { display: flex; align-items: center; gap: 1.9rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  font-size: .92rem;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.15rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important;
  font-size: .88rem;
  font-weight: 500;
  box-shadow: 0 6px 18px rgba(255, 95, 31, 0.28);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(255, 95, 31, 0.34); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px; right: 11px;
  height: 1.6px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem 5vw 1.4rem;
    background: var(--bg);
    box-shadow: 0 24px 40px rgba(18, 20, 28, 0.08);
    border-bottom: 1px solid var(--border);
    transform: translateY(-140%);
    transition: transform .3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 1rem; }
  .nav-links a { display: block; padding: .95rem 0; font-size: 1rem; }
  .nav-cta { justify-content: center; }
}

/* ---------- layout ---------- */

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 5vw; }
section { padding: 5.5rem 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 95, 31, 0.16);
  color: var(--accent);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
}

h1, h2, h3 { font-family: 'Syne', sans-serif; letter-spacing: -0.02em; line-height: 1.12; }
h1 { font-weight: 800; font-size: clamp(2.1rem, 4.1vw, 3.35rem); }
h2 { font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }

.lead { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.12rem); max-width: 56ch; }
.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head h2 { margin: 1rem 0 .8rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.6rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: .96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 30px rgba(255, 95, 31, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(255, 95, 31, 0.36); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { transform: translateY(-2px); }

/* ---------- hero ---------- */

.hero { padding: calc(var(--nav-h) + 4.5rem) 0 3rem; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 3rem;
}
.hero h1 { margin: 1.2rem 0 1.2rem; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 2.2rem; color: var(--muted); font-size: .85rem; }
.hero-meta span { display: flex; align-items: center; gap: .45rem; }
.hero-meta svg { width: 15px; height: 15px; stroke: var(--accent); }

.hero-art { position: relative; }
.hero-art img {
  width: auto;
  max-width: 100%;
  max-height: 540px;
  margin: 0 auto;
  filter: drop-shadow(0 30px 48px rgba(255, 95, 31, 0.18)) drop-shadow(0 12px 22px rgba(18, 20, 28, 0.08));
}
.hero-art::after {
  content: '';
  position: absolute;
  inset: 12% 8% -8% 8%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 95, 31, 0.22), transparent 75%);
  filter: blur(28px);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .hero { padding-top: calc(var(--nav-h) + 2.6rem); }
}

/* ---------- feature cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 1.2rem;
}
.card {
  position: relative;
  padding: 1.7rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease;
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card::before {
  content: '';
  position: absolute;
  top: -40%; right: -30%;
  width: 70%; height: 90%;
  background: radial-gradient(closest-side, rgba(255, 145, 60, 0.16), transparent);
  pointer-events: none;
}
.card-icon {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(255, 95, 31, 0.14), rgba(255, 161, 74, 0.1));
  border: 1px solid rgba(255, 95, 31, 0.16);
  margin-bottom: 1.1rem;
}
.card-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.7; }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .92rem; }
.card ul { list-style: none; margin-top: .9rem; display: grid; gap: .45rem; }
.card ul li { color: var(--muted); font-size: .86rem; display: flex; gap: .5rem; align-items: flex-start; }
.card ul li::before { content: '—'; color: var(--accent); }

/* ---------- app showcase ---------- */

.showcase-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}
@media (max-width: 900px) { .showcase-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.phone {
  width: 292px;
  max-width: 100%;
  margin: 0 auto;
  padding: 12px;
  border-radius: 44px;
  background: linear-gradient(160deg, #e9e9ee, #fbfbfd 45%, #dfdfe6);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}
.phone-screen {
  border-radius: 34px;
  background: linear-gradient(180deg, #f7f7f9, #efeff3);
  padding: 14px 12px 10px;
  overflow: hidden;
}
.phone-status {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .66rem; font-weight: 600; color: #3d4048; padding: 0 4px 10px;
}
.phone-title {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: .98rem;
  padding: 2px 4px 12px;
}
.phone-title .dots {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
}
.phone-title .dots i { width: 6px; height: 6px; border-radius: 2px; background: var(--accent); display: block; }
.tile {
  background: #fff;
  border: 1px solid rgba(18, 20, 28, 0.05);
  border-radius: 16px;
  padding: 10px 12px;
  margin-bottom: 8px;
  box-shadow: 0 4px 14px rgba(18, 20, 28, 0.04);
}
.tile-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.tile-name { font-size: .74rem; font-weight: 600; }
.tile-sub { font-size: .62rem; color: var(--muted); }
.tile-arrow { color: var(--accent); font-size: .8rem; }
.tile-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tile-duo .tile { margin: 0; min-height: 112px; }
.battery-val { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.15rem; margin-top: 20px; }
.battery-weak { color: var(--accent); font-size: .6rem; font-weight: 600; }
.spark { height: 26px; margin-top: 6px; }
.spark svg { width: 100%; height: 100%; overflow: visible; }
.vpn-tile { position: relative; min-height: 106px; overflow: hidden; }
.vpn-tile .tunnel {
  position: absolute; right: -10px; bottom: -20px; width: 165px; opacity: .95;
}
.vpn-label { font-size: .62rem; color: var(--muted); }
.vpn-state { font-size: .72rem; font-weight: 700; color: var(--accent); }
.phone-tabbar {
  display: flex; justify-content: space-between; align-items: center;
  background: #fff; border-radius: 999px; padding: 9px 14px; margin-top: 10px;
  box-shadow: 0 6px 18px rgba(18, 20, 28, 0.07);
}
.phone-tabbar svg { width: 15px; height: 15px; stroke: #9aa0ac; fill: none; stroke-width: 1.6; }
.phone-tabbar .on svg { stroke: var(--accent); }

.showcase-list { display: grid; gap: 1.4rem; margin-top: 2rem; }
.showcase-item { display: flex; gap: 1rem; }
.showcase-item .num {
  flex: 0 0 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: .82rem;
}
.showcase-item h3 { font-size: 1rem; margin-bottom: .25rem; }
.showcase-item p { color: var(--muted); font-size: .92rem; }

/* ---------- splash launch screen ---------- */

.band-section { padding: 3rem 0 5rem; }
.splash-phone {
  width: 280px;
  max-width: 100%;
  margin: 0 auto;
  padding: 11px;
  border-radius: 46px;
  background: linear-gradient(160deg, #e9e9ee, #fbfbfd 45%, #dfdfe6);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}
.splash-phone img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  border-radius: 36px;
}

/* ---------- privacy strip ---------- */

.strip {
  border-radius: 28px;
  padding: 3rem clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.55));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.strip-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.6rem;
  margin-top: 2.2rem;
}
.stat .val {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { color: var(--muted); font-size: .86rem; }

/* ---------- faq ---------- */

.faq { display: grid; gap: .8rem; max-width: 800px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: none; border: 0; cursor: pointer;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: .98rem;
  color: var(--text); text-align: left;
}
.faq-q::after {
  content: '+';
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform .25s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 1.3rem 1.2rem; color: var(--muted); font-size: .93rem; }

/* ---------- cta ---------- */

.cta-box { text-align: center; }
.cta-box h2 { margin-bottom: .9rem; }
.cta-box .lead { margin: 0 auto; }
.cta-box .hero-actions { justify-content: center; }

/* ---------- legal pages ---------- */

.legal { padding: calc(var(--nav-h) + 3.5rem) 0 4rem; }
.legal-wrap { max-width: 820px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
.legal .updated { color: var(--muted); font-size: .86rem; margin: .8rem 0 2.5rem; }
.legal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: clamp(1.5rem, 3.5vw, 2.8rem);
}
.legal-card h2 {
  font-size: 1.12rem;
  font-weight: 700;
  margin: 2.2rem 0 .6rem;
  color: var(--text);
  display: flex; gap: .6rem;
}
.legal-card h2:first-child { margin-top: 0; }
.legal-card h2 .n { color: var(--accent); }
.legal-card p, .legal-card li { color: #4b505c; font-size: .95rem; line-height: 1.8; }
.legal-card ul { padding-left: 1.2rem; margin-top: .5rem; }
.legal-card li { margin-bottom: .3rem; }
.legal-card p + p { margin-top: .8rem; }
.legal-note {
  margin-top: 2.5rem;
  padding: 1.2rem 1.4rem;
  border-radius: 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 95, 31, 0.16);
  font-size: .9rem;
  color: #4b505c;
}

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.contact-card {
  padding: 1.6rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: .4rem;
}
.contact-card .label { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); }
.contact-card .value { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; word-break: break-word; }

.form { margin-top: 3rem; display: grid; gap: 1rem; max-width: 720px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: .45rem; }
.field label { font-size: .8rem; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  padding: .85rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(255, 95, 31, 0.5);
  box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.1);
}
.form-status { font-size: .88rem; color: var(--accent); min-height: 1.2rem; }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 3rem 0 2.2rem;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
@media (max-width: 760px) { .footer-top { grid-template-columns: 1fr; gap: 1.8rem; } }
.footer-brand p { color: var(--muted); font-size: .88rem; margin-top: .9rem; max-width: 34ch; }
.footer h4 { font-family: 'Syne', sans-serif; font-size: .82rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin-bottom: .9rem; font-weight: 700; }
.footer ul { list-style: none; display: grid; gap: .6rem; }
.footer ul a, .footer ul span { color: #4b505c; font-size: .9rem; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem;
  color: var(--muted); font-size: .82rem;
}

/* ---------- reveal ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}