/* ── SquadLink Web — Design System ──────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --color-primary: #FF5A5F;
  --color-primary-dark: #E04E52;
  --color-bg: #FAFBFC;
  --color-surface: #FFFFFF;
  --color-text: #1A1D21;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
  --shadow-elevated: 0 4px 24px rgba(0,0,0,0.08);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.15s ease;
}
a:hover { opacity: 0.8; }

/* ── Layout ────────────────────────────────────────────────────────────── */

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 0 24px;
}

.container {
  width: 100%;
  max-width: 520px;
}

/* ── Nav ───────────────────────────────────────────────────────────────── */

.nav {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--color-text);
  letter-spacing: -0.4px;
}

.nav-logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #FF8A8E);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-s);
  transition: all 0.15s ease;
}
.nav-link:hover {
  background: rgba(0,0,0,0.04);
  color: var(--color-text);
  opacity: 1;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 80px 0 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(255,90,95,0.08);
  border: 1px solid rgba(255,90,95,0.15);
  border-radius: 100px;
  padding: 6px 14px;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-text) 60%, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto;
}

/* ── CTA Buttons ──────────────────────────────────────────────────────── */

.cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-m);
  padding: 14px 28px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #FF8A8E);
  color: white;
  box-shadow: 0 4px 16px rgba(255,90,95,0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255,90,95,0.35);
  opacity: 1;
  color: white;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.btn-secondary:hover {
  border-color: var(--color-text-muted);
  transform: translateY(-1px);
  opacity: 1;
}

/* ── Feature Cards ────────────────────────────────────────────────────── */

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 48px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 22px 18px;
  transition: all 0.2s ease;
}
.feature-card:hover {
  border-color: var(--color-text-muted);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.2px;
}

.feature-card p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ── Invite Page ──────────────────────────────────────────────────────── */

.invite-hero {
  text-align: center;
  padding: 100px 0 40px;
}

.invite-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(255,90,95,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 38px;
}

.invite-hero h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.invite-hero p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 360px;
  margin: 0 auto;
}

.invite-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: 28px 24px;
  margin-top: 28px;
  box-shadow: var(--shadow-elevated);
}

.invite-code-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 8px 18px;
  letter-spacing: 2px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  margin-bottom: 20px;
}

.invite-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.invite-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #FF8A8E);
  color: white;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding-top: 3px;
}
.step-text strong {
  color: var(--color-text);
  font-weight: 600;
}

.store-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-text);
  color: white;
  font-size: 13px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-m);
  transition: all 0.2s ease;
}
.store-btn:hover {
  opacity: 0.85;
  color: white;
  transform: translateY(-1px);
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.footer {
  width: 100%;
  max-width: 520px;
  text-align: center;
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer-text {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .hero { padding: 60px 0 36px; }
  .features { grid-template-columns: 1fr; }
  .cta-group { flex-direction: column; align-items: center; }
  .invite-hero h1 { font-size: 26px; }
  .store-buttons { flex-direction: column; align-items: center; }
}