/* =========================================================
   V-SCA shared stylesheet
   Based on the current live index.php visual system
   ========================================================= */

:root {
  --bg: #07111f;
  --bg-soft: #0d1b2e;
  --card: rgba(255,255,255,0.06);
  --line: rgba(255,255,255,0.12);
  --text: #ecf3ff;
  --muted: #b4c2db;
  --accent: #5eead4;
  --accent-2: #60a5fa;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(0,0,0,0.25);
  --radius: 22px;
  --radius-lg: 28px;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96,165,250,0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(94,234,212,0.12), transparent 24%),
    linear-gradient(180deg, #07111f 0%, #091525 55%, #06101d 100%);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

/* ---------- Topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(7,17,31,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  flex: 0 0 42px;
}

.brand-mark__icon {
  width: 100%;
  height: 100%;
  display: block;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: #fff;
}

.nav-links a.is-active {
  font-weight: 700;
}

.topbar .btn.is-active {
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04101d;
}

.btn-secondary {
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.04);
  color: var(--white);
}

.btn:hover { transform: translateY(-1px); }

/* ---------- Typography ---------- */

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h3 {
  margin-top: 0;
}

p,
li,
label {
  color: var(--muted);
}

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

main { display: block; }

section { padding: 34px 0; }

.page-intro {
  padding-top: 60px;
  padding-bottom: 20px;
}

.hero {
  padding: 72px 0 46px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(255,255,255,0.03);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero p,
.lead,
.section-head p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-kicker {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  margin-bottom: 10px;
}

/* ---------- Shared blocks ---------- */

.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 470px;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: auto -80px -90px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94,234,212,0.28), transparent 68%);
}

.badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(94,234,212,0.14);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.84rem;
  margin-bottom: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.metric {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.metric strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--white);
}

.grid,
.grid-2,
.grid-3,
.split,
.contact-wrap {
  display: grid;
  gap: 20px;
}

.grid,
.grid-2,
.split {
  grid-template-columns: 1fr 1fr;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.contact-wrap {
  grid-template-columns: 0.92fr 1.08fr;
}

.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.card p,
.card li {
  color: var(--muted);
  margin: 0;
}

.list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  margin: 12px 0 0;
}

.cta {
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(94,234,212,0.15), rgba(96,165,250,0.15));
  border: 1px solid rgba(255,255,255,0.14);
}

.stack,
.contact-points {
  display: grid;
  gap: 14px;
}

.contact-point {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ---------- Forms ---------- */

form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color: var(--white);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  outline: none;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #90a3c2;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(94,234,212,0.65);
  box-shadow: 0 0 0 4px rgba(94,234,212,0.08);
}

/* ---------- Footer ---------- */

footer {
  padding: 28px 0 60px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .hero-grid,
  .grid,
  .grid-2,
  .grid-3,
  .split,
  .contact-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-3,
  .split { grid-template-columns: 1fr; }

  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 14px;
    order: 3;
  }

  .hero { padding-top: 42px; }
}

@media (max-width: 820px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}