/* ===== CSS RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal:      #0D5C63;
  --teal-light:#1a7a85;
  --coral:     #E8634B;
  --coral-soft:#f49580;
  --cream:     #FAFAF8;
  --warm-gray: #F0EDE8;
  --dark:      #1A1A18;
  --mid-gray:  #6B6B66;
  --font-head: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(13, 92, 99, 0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark);
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--mid-gray);
  letter-spacing: 0.01em;
  max-width: 280px;
  text-align: right;
}

/* ===== SECTION SPACING ===== */
section { padding: 100px 32px; }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--mid-gray);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  background: var(--cream);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(13, 92, 99, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232, 99, 75, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--dark);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--mid-gray);
  line-height: 1.7;
  max-width: 460px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(13, 92, 99, 0.15);
}

.orbit-ring-1 { width: 280px; height: 280px; }
.orbit-ring-2 { width: 380px; height: 380px; border-color: rgba(232, 99, 75, 0.12); }
.orbit-ring-3 { width: 480px; height: 480px; border-color: rgba(13, 92, 99, 0.08); }

.figure {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.figure-mentor { top: 60px; left: 50%; transform: translateX(-50%); }
.figure-mentee { bottom: 80px; right: 30px; }

.figure-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

.orbit-dots {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.orbit-dot {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--coral);
  border-radius: 50%;
  top: -4px; left: calc(50% - 4px);
}

.orbit-dot-2 {
  background: var(--teal);
  animation: orbit2 8s linear infinite;
  transform-origin: 0 0;
}

.orbit-dot-3 {
  background: var(--coral);
  width: 6px; height: 6px;
  animation: orbit3 14s linear infinite;
  transform-origin: 0 0;
}

@keyframes orbit2 {
  from { transform: rotate(0deg) translateX(80px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(80px) rotate(-360deg); }
}

@keyframes orbit3 {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

.ai-badge {
  position: absolute;
  bottom: 40px;
  left: 20px;
  background: var(--dark);
  color: var(--cream);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== HERO CTA ===== */
.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.hero-cta:hover {
  transform: translateY(-2px);
}

.hero-cta-mentor {
  background: var(--teal);
  color: var(--cream);
}

.hero-cta-mentor:hover {
  background: var(--teal-light);
  box-shadow: 0 8px 24px rgba(13, 92, 99, 0.25);
}

.hero-cta-mentee {
  background: var(--coral);
  color: var(--cream);
}

.hero-cta-mentee:hover {
  background: var(--coral-soft);
  box-shadow: 0 8px 24px rgba(232, 99, 75, 0.25);
}

.hero-cta-label {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.88;
  margin-right: 16px;
  padding-left: 2px;
}

/* ===== NAV SIGNUP ===== */
.nav-sep { color: var(--mid-gray); }
.nav-signup {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-signup:hover { color: var(--teal-light); }

/* ===== HOW IT WORKS ===== */
.how { background: var(--warm-gray); }

.how-inner { max-width: 1100px; margin: 0 auto; }

.how-header { margin-bottom: 72px; }

.how-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 80px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
}

.step-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--coral);
  line-height: 1;
  padding-top: 4px;
  opacity: 0.7;
}

.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark);
}

.step-content p {
  font-size: 0.95rem;
  color: var(--mid-gray);
  line-height: 1.65;
}

/* ===== FEATURES ===== */
.features { background: var(--cream); }

.features-inner { max-width: 1100px; margin: 0 auto; }

.features .section-title { margin-bottom: 56px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 32px 28px;
  background: var(--warm-gray);
  border-radius: 16px;
  border: 1px solid rgba(13, 92, 99, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(13, 92, 99, 0.08);
}

.feature-icon {
  width: 56px; height: 56px;
  background: var(--cream);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.6;
}

/* ===== OUTCOMES ===== */
.outcomes { background: var(--teal); color: var(--cream); }

.outcomes-inner { max-width: 1100px; margin: 0 auto; }

.outcomes .section-title { color: var(--cream); }
.outcomes .section-sub { color: rgba(250, 250, 248, 0.7); }

.outcomes-header { margin-bottom: 64px; }

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.outcome-card {}

.outcome-num {
  font-family: var(--font-head);
  font-size: clamp(3.5rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--coral);
  line-height: 1;
  margin-bottom: 16px;
}

.outcome-label {
  font-size: 1rem;
  color: rgba(250, 250, 248, 0.75);
  line-height: 1.5;
  max-width: 260px;
}

/* ===== CLOSING ===== */
.closing {
  background: var(--cream);
  padding: 120px 32px;
}

.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: center;
}

.closing-visual {
  position: relative;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.closing-ring {
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(13, 92, 99, 0.2);
  animation: pulse-ring 4s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.06); opacity: 0.9; }
}

.closing-dot {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
}

.closing-dot-1 { background: var(--teal); top: 20%; left: 30%; }
.closing-dot-2 { background: var(--coral); bottom: 30%; right: 20%; width: 16px; height: 16px; }
.closing-dot-3 { background: rgba(13, 92, 99, 0.3); top: 50%; left: 60%; width: 8px; height: 8px; }

.closing-quote {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-style: italic;
  font-weight: 400;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 24px;
  border-left: 3px solid var(--coral);
  padding-left: 24px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--mid-gray);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  padding: 48px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cream);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(250, 250, 248, 0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-visual { height: 300px; }
  .orbit-ring-1 { width: 200px; height: 200px; }
  .orbit-ring-2 { width: 280px; height: 280px; }
  .orbit-ring-3 { width: 360px; height: 360px; }

  .hero-sub { margin: 0 auto; }
  .hero-ctas { justify-content: center; }

  .how-steps { grid-template-columns: 1fr; gap: 32px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .outcomes-grid { grid-template-columns: 1fr; gap: 40px; }

  .closing-inner { grid-template-columns: 1fr; gap: 48px; }
  .closing-visual { display: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  section { padding: 72px 20px; }

  .feature-grid { grid-template-columns: 1fr; }

  .nav-tagline { display: none; }
  .nav-inner { padding: 0 20px; }
}