/* ── Trainova Design Tokens ─────────────────────────────── */
:root {
  --bg:              #000000;
  --surface:         #1A1A2E;
  --surface-raised:  #25253A;
  --border:          #2A2A3E;

  --accent-purple:   #6C63FF;
  --accent-teal:     #4ECDC4;
  --success:         #00E676;
  --error:           #FF5252;
  --warning:         #FFAB40;

  --text-primary:    #FFFFFF;
  --text-secondary:  #A0A0B8;

  --gradient: linear-gradient(135deg, #6C63FF, #4ECDC4);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Utilities ──────────────────────────────────────────── */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Nav ────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) 0;
}

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

.nav-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav-icon {
  display: block;
  flex-shrink: 0;
  border-radius: 7px;
}

.nav-wordmark {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* keep for any legacy usage */
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-purple);
  border: 1px solid var(--accent-purple);
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent-purple);
  color: #fff;
}

.lang-toggle {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}
.lang-toggle:hover { color: var(--text-primary); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.hero-badge span { color: var(--accent-teal); font-weight: 600; }

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  text-decoration: none;
}

.btn-ghost:hover { border-color: var(--accent-purple); color: var(--text-primary); }

/* ── App Store badge ────────────────────────────────────── */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--text-primary);
  color: var(--bg);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  transition: opacity 0.2s, transform 0.15s;
}

.appstore-badge:hover { opacity: 0.92; transform: translateY(-1px); }

.appstore-badge svg { flex-shrink: 0; }

/* ── Section labels / titles ────────────────────────────── */
.section-label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-purple);
  margin-bottom: var(--space-md);
}

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2xl);
}

/* ── Role pills (used in showcase panels) ───────────────── */
.role-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}

.role-pill.trainer {
  background: rgba(108, 99, 255, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(108, 99, 255, 0.3);
}

.role-pill.client {
  background: rgba(78, 205, 196, 0.15);
  color: var(--accent-teal);
  border: 1px solid rgba(78, 205, 196, 0.3);
}

.role-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.role-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.role-list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── CTA banner ─────────────────────────────────────────── */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  bottom: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(78,205,196,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.cta-card p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-logo { font-weight: 700; font-size: 1rem; }

.footer-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

/* ── Invite page ────────────────────────────────────────── */
.invite-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.invite-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  max-width: 420px;
  width: 100%;
}

.invite-avatar {
  width: 64px;
  height: 64px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto var(--space-lg);
}

.invite-card h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.invite-card > p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-xl);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  text-align: left;
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--surface-raised);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-text strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.step-text span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.invite-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md) 0;
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.invite-divider::before,
.invite-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Privacy page ───────────────────────────────────────── */
.privacy-page {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.privacy-page h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.privacy-page .updated {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-2xl);
}

.privacy-page h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.privacy-page p, .privacy-page li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.privacy-page ul {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}