:root {
  --bg-deep: #0f1419;
  --bg-card: #161b24;
  --bg-card-hover: #1d2530;
  --fg: #ffffff;
  --fg-muted: #9aa5b4;
  --fg-dim: #4a5568;
  --accent-1: #c9a951;
  --accent-2: #4a7fa8;
  --accent-3: #6b8199;
  --gradient: linear-gradient(135deg, var(--accent-2), var(--accent-1));
  --gradient-warm: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --radius: 8px;
  --radius-sm: 5px;
}

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

body {
  background: var(--bg-deep);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

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

.section-label {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1.2rem;
  text-align: center;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  text-align: center;
}

.hero-inner { max-width: 800px; position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(196,163,90,0.35);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-1);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.8rem; color: var(--fg-dim); max-width: 160px; display: block; }
.stat-divider { width: 1px; height: 40px; background: var(--fg-dim); opacity: 0.3; }

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(196,163,90,0.10) 0%, rgba(91,122,150,0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* === PROBLEM === */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-deep);
}

.problem-inner { max-width: 900px; margin: 0 auto; }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}

.problem-card:hover { border-color: rgba(196,163,90,0.35); }

.card-icon { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; margin-bottom: 1rem; }

.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.problem-card ul {
  list-style: none;
  padding: 0;
}

.problem-card li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  color: var(--fg-muted);
}

.problem-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-3);
}

.problem-thesis {
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  margin-top: 2rem;
}

/* === HOW IT WORKS === */
.how-it-works {
  padding: 6rem 2rem;
  background: var(--bg-deep);
}

.how-inner { max-width: 720px; margin: 0 auto; }

.steps { margin-top: 3rem; }

.step {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: flex-start;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
}

.step-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === MENTOR TIERS === */
.mentor-tiers {
  padding: 6rem 2rem;
  background: var(--bg-deep);
}

.tiers-inner { max-width: 800px; margin: 0 auto; text-align: center; }

.tiers-intro {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.tiers-track {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.tier {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  transition: transform 0.3s, border-color 0.3s;
}

.tier:hover { transform: translateY(-4px); border-color: rgba(196,163,90,0.4); }

.tier-level {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.tier-1 { background: rgba(196,163,90,0.15); color: var(--accent-1); }
.tier-2 { background: rgba(91,122,150,0.15); color: var(--accent-2); }
.tier-3 { background: rgba(91,122,150,0.10); color: var(--accent-3); }

.tier h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.tier p {
  color: var(--fg-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.tier-connector {
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tier-connector::after {
  content: '';
  width: 100%;
  height: 2px;
  background: var(--gradient);
}

/* === FOR RECRUITERS === */
.for-recruiters {
  padding: 6rem 2rem;
  background: var(--bg-deep);
}

.recruiters-inner { max-width: 900px; margin: 0 auto; text-align: center; }

.recruiters-intro {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.recruiter-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.r-feature {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: border-color 0.3s;
}

.r-feature:hover { border-color: rgba(196,163,90,0.35); }

.r-icon { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; margin-bottom: 1rem; }

.r-feature h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.r-feature p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}

.closing-inner { max-width: 700px; margin: 0 auto; position: relative; z-index: 1; }

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-1);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.footer-tagline {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

/* === LANDING NAV === */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0 2rem;
}

.landing-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.landing-nav-link {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.landing-nav-link:hover { color: var(--fg); }

.landing-nav .nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-1);
  letter-spacing: 0.03em;
  text-decoration: none;
}

/* === SHARED BUTTONS (used in landing + app) === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent-1); color: #080c14; font-weight: 600; }
.btn-secondary { background: rgba(255,255,255,0.07); color: var(--fg); border: 1px solid rgba(255,255,255,0.1); }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }

/* === HERO CTAs === */
.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .problem-grid { grid-template-columns: 1fr; }
  .recruiter-features { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 0.5rem; }
  .step-number { font-size: 2rem; width: auto; }
  .tiers-track { flex-direction: column; align-items: center; gap: 1rem; }
  .tier { max-width: 100%; }
  .tier-connector { width: auto; height: 30px; }
  .tier-connector::after { width: 2px; height: 100%; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 40px; height: 1px; }
  .hero { padding: 4rem 1.5rem 3rem; }
}