/* ============================================
   Shared design tokens — matches TwinFinder logo
   (violet → blue gradient on near-black)
   ============================================ */

:root {
  --bg:            #0b0b0e;
  --bg-elevated:   #131318;
  --panel:         #16161c;
  --panel-border:  rgba(255,255,255,0.08);
  --divider:       rgba(255,255,255,0.07);

  --text:          #f5f5f7;
  --text-secondary:rgba(245,245,247,0.64);
  --text-muted:    rgba(245,245,247,0.40);

  --violet:        #9333ea;
  --blue:          #0ea5ff;
  --gradient:      linear-gradient(135deg, var(--violet) 0%, var(--blue) 100%);
  --gradient-soft:      linear-gradient(135deg, rgba(147,51,234,0.16) 0%, rgba(14,165,255,0.16) 100%);

  --success:       #33c759;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Background texture ---------- */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(680px circle at 15% -5%, rgba(147,51,234,0.20), transparent 60%),
    radial-gradient(680px circle at 90% 10%, rgba(14,165,255,0.16), transparent 60%),
    var(--bg);
}

.lang-switcher {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--panel-border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 30px 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23f5f5f7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
}
.lang-switcher:hover { background-color: rgba(255,255,255,0.1); }

/* ---------- Nav ---------- */
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(11,11,14,0.72);
  border-bottom: 1px solid var(--divider);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.brand img { width: 28px; height: 28px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  color: var(--text-secondary);
}

.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 20px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(147,51,234,0.28);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 26px rgba(147,51,234,0.4); }

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--panel-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 90px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 780px;
  margin: 0 auto 22px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */
section { padding: 80px 0; }

.section-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 14px;
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}

.section-sub { color: var(--text-secondary); font-size: 16px; }

/* ---------- Cards / grid ---------- */
.grid {
  display: grid;
  gap: 20px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 20px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card p { color: var(--text-secondary); font-size: 14.5px; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 12px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  border: 1px solid rgba(14,165,255,0.35);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p { color: var(--text-secondary); font-size: 14.5px; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--divider);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a:hover { color: var(--text-secondary); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .grid-2, .grid-3, .steps { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 60px; }
  section { padding: 56px 0; }
}