/* ─────────────────────────────────────────────
   BASE
───────────────────────────────────────────── */
:root {
  --lime: #A3E635;
  --lime-dark: #84CC16;
  --bg: #0d0d0d;
  --card: #161616;
  --border: #222222;
  --text-muted: #6b7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ─────────────────────────────────────────────
   SCROLLBAR
───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--lime); }

/* ─────────────────────────────────────────────
   NAVBAR
───────────────────────────────────────────── */
#navbar {
  background: transparent;
  backdrop-filter: blur(0px);
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-bottom 0.3s ease;
}

#navbar.scrolled {
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.mobile-nav-link {
  color: #9ca3af;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: block;
  transition: color 0.2s;
}

.mobile-nav-link:hover {
  color: var(--lime);
}

/* ─────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--lime);
  color: #000000;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: 2px solid var(--lime);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--lime-dark);
  border-color: var(--lime-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200, 255, 0, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.hero-bg {
  background-image:
    linear-gradient(rgba(200, 255, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 0, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.avatar-placeholder {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 9999px;
  background: #222;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--lime);
}

.hero-card {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.exercise-row {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
}

.exercise-row:hover {
  border-color: rgba(200, 255, 0, 0.2);
  background: rgba(200, 255, 0, 0.03);
}

.exercise-icon {
  font-size: 1.25rem;
  line-height: 1;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   PAIN CARDS
───────────────────────────────────────────── */
.pain-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.pain-card:hover {
  border-color: rgba(200, 255, 0, 0.2);
  transform: translateY(-4px);
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 255, 0, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.pain-card:hover::before {
  opacity: 1;
}

.pain-number {
  font-family: 'Bebas Neue', cursive;
  font-size: 3rem;
  line-height: 1;
  color: #2a2a2a;
  display: block;
  margin-bottom: 0.5rem;
}

/* ─────────────────────────────────────────────
   CONCEPT CARDS
───────────────────────────────────────────── */
.concept-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.concept-card:hover {
  border-color: rgba(200, 255, 0, 0.3);
  transform: translateY(-2px);
}

.concept-card-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  background: rgba(200, 255, 0, 0.1);
  border: 1px solid rgba(200, 255, 0, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
}

/* ─────────────────────────────────────────────
   CHECK ITEMS
───────────────────────────────────────────── */
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #9ca3af;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.check-icon {
  color: var(--lime);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─────────────────────────────────────────────
   PILLARS
───────────────────────────────────────────── */
.pillar-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
  cursor: default;
}

.pillar-card:hover {
  border-color: var(--lime);
  background: rgba(200, 255, 0, 0.03);
  transform: translateY(-6px);
}

.pillar-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(200, 255, 0, 0.1);
  border: 1px solid rgba(200, 255, 0, 0.2);
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  transition: background 0.3s, transform 0.3s;
}

.pillar-card:hover .pillar-icon {
  background: rgba(200, 255, 0, 0.15);
  transform: scale(1.05);
}

.pillar-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  color: #4b5563;
  letter-spacing: 0.05em;
  margin-top: auto;
}

/* ─────────────────────────────────────────────
   LEADERBOARD
───────────────────────────────────────────── */
.leaderboard-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.leaderboard-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.leaderboard-row.gold {
  background: rgba(250, 204, 21, 0.05);
  border-color: rgba(250, 204, 21, 0.15);
}

.leaderboard-row.silver {
  background: rgba(156, 163, 175, 0.05);
  border-color: rgba(156, 163, 175, 0.15);
}

.leaderboard-row.lime-row {
  background: rgba(200, 255, 0, 0.04);
  border-color: rgba(200, 255, 0, 0.15);
}

.rank {
  font-size: 1.1rem;
  width: 1.75rem;
  text-align: center;
  flex-shrink: 0;
  font-weight: 700;
}

.score {
  font-family: 'Bebas Neue', cursive;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

/* ─────────────────────────────────────────────
   STATS
───────────────────────────────────────────── */
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color 0.2s;
}

.stat-card:hover {
  border-color: rgba(200, 255, 0, 0.2);
}

/* ─────────────────────────────────────────────
   PROGRAMMES
───────────────────────────────────────────── */
.programme-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  transition: border-color 0.3s, transform 0.3s;
}

.programme-card:hover {
  border-color: rgba(200, 255, 0, 0.2);
  transform: translateY(-4px);
}

.programme-card-featured {
  border-color: rgba(200, 255, 0, 0.3);
  background: linear-gradient(135deg, rgba(200, 255, 0, 0.04) 0%, var(--card) 100%);
  position: relative;
}

.programme-card-featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -1px;
  right: 2rem;
  background: var(--lime);
  color: #000;
  font-family: 'Bebas Neue', cursive;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: 0 0 0.5rem 0.5rem;
}

.programme-card-featured:hover {
  border-color: rgba(200, 255, 0, 0.5);
}

.prog-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: #6b7280;
  font-size: 0.875rem;
}

.prog-feature::before {
  content: '—';
  color: #333;
  flex-shrink: 0;
}

.prog-feature-lime {
  color: #9ca3af;
}

.prog-feature-lime::before {
  content: '→';
  color: var(--lime);
}

/* ─────────────────────────────────────────────
   ABOUT
───────────────────────────────────────────── */
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  transition: border-color 0.3s, transform 0.3s;
}

.about-card:hover {
  border-color: rgba(200, 255, 0, 0.2);
  transform: translateY(-4px);
}

.about-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--lime);
  color: #000;
  font-weight: 800;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   WAITLIST FORM
───────────────────────────────────────────── */
.form-input {
  background: #1f1f1f;
  border: 2px solid #404040;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.875rem 1.25rem;
  border-radius: 0.5rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  font-family: 'Inter', sans-serif;
  width: 100%;
}

.form-input::placeholder {
  color: #d1d5db;
  font-weight: 500;
}

.form-input:hover {
  border-color: #525252;
  background: #252525;
}

.form-input:focus {
  border-color: var(--lime);
  background: #252525;
  box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
}

/* Waitlist CTA button – larger and bolder */
#waitlist-form .btn-primary {
  font-size: 1rem;
  font-weight: 800;
  padding: 0.875rem 1.75rem;
  letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────────
   SOCIAL LINKS
───────────────────────────────────────────── */
.social-link {
  color: #4b5563;
  transition: color 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
}

.social-link:hover {
  color: var(--lime);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────────
   SCROLL ANIMATIONS
───────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

/* ─────────────────────────────────────────────
   LIME GLOW PULSE (hero badge)
───────────────────────────────────────────── */
@keyframes pulse-lime {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 255, 0, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(200, 255, 0, 0); }
}

/* ─────────────────────────────────────────────
   RESPONSIVE ADJUSTMENTS
───────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero-card { display: none; }

  .font-display.text-7xl { font-size: 4.5rem; }
  .font-display.text-8xl { font-size: 5rem; }
  .font-display.text-9xl { font-size: 5.5rem; }

  .pain-card { padding: 1.5rem; }
  .programme-card { padding: 1.75rem; }
  .about-card { padding: 1.75rem; }
}

/* ─────────────────────────────────────────────
   WHO IS THIS FOR
───────────────────────────────────────────── */
.who-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color 0.3s, transform 0.3s;
}

.who-card:hover {
  transform: translateY(-4px);
}

.who-card-yes:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.who-card-no:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

.who-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #9ca3af;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.who-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.45rem;
}

.who-dot-yes {
  background: var(--lime);
}

.who-dot-no {
  background: #333;
}

/* ─────────────────────────────────────────────
   VIDEO PLACEHOLDER
───────────────────────────────────────────── */
.video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  background-image:
    linear-gradient(135deg, rgba(200, 255, 0, 0.03) 0%, transparent 60%),
    linear-gradient(rgba(200, 255, 0, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 0, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  transition: border-color 0.3s;
}

.video-placeholder:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.video-play-btn {
  width: 5rem;
  height: 5rem;
  background: var(--lime);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(200, 255, 0, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
}

.video-placeholder:hover .video-play-btn {
  box-shadow: 0 0 60px rgba(200, 255, 0, 0.6);
}

/* ─────────────────────────────────────────────
   TESTIMONIALS
───────────────────────────────────────────── */
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}

.testimonial-card:hover {
  border-color: rgba(200, 255, 0, 0.15);
  transform: translateY(-4px);
}

.testimonial-card-featured {
  border-color: rgba(200, 255, 0, 0.25);
  background: linear-gradient(135deg, rgba(200, 255, 0, 0.04) 0%, var(--card) 100%);
}

.testimonial-card-featured:hover {
  border-color: rgba(200, 255, 0, 0.4);
}

.testimonial-quote {
  font-family: 'Bebas Neue', cursive;
  font-size: 4rem;
  line-height: 0.8;
  color: var(--lime);
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: #222;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lime);
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   SELECTION COLOR
───────────────────────────────────────────── */
::selection {
  background: rgba(200, 255, 0, 0.3);
  color: #ffffff;
}