/* ============================================================
   Aethera — Shared Stylesheet
   Used by: index.html, costa-rica.html (and future retreat pages)
   ============================================================ */

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

:root {
  --cream:      #F5F0E8;
  --sand:       #D4C4A8;
  --earth:      #8B6E4E;
  --moss:       #4A5C4A;
  --charcoal:   #2A2A2A;
  --bone:       #EDE8DC;
  --warm-white: #FAF7F2;
  --gold:       #C9A96E;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Jost', sans-serif;
  background: var(--charcoal);
  color: var(--cream);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Shared Nav ───────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  transition: background 0.4s;
}
nav.scrolled {
  background: rgba(42,42,42,0.92);
  backdrop-filter: blur(12px);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--cream);
  text-transform: uppercase;
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  color: var(--cream);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }

/* ── Hero (shared structure) ──────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-video-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d3a2d 40%, #3a2d1a 100%);
}
.hero-video-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1' fill='%23C9A96E' opacity='0.3'/%3E%3C/svg%3E") repeat;
  opacity: 0.4;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(42,42,42,0.2) 0%, rgba(42,42,42,0.5) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
}
.hero-eyebrow {
  font-family: 'Jost', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 1s 0.3s forwards;
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.05;
  color: var(--cream);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 1s 0.6s forwards;
}
.hero-subtitle {
  font-size: 0.8rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 1s 0.9s forwards;
}
.hero-cta {
  display: inline-block;
  padding: 1rem 3rem;
  border: 1px solid var(--gold);
  color: var(--cream);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  transition: background 0.3s, color 0.3s;
  opacity: 0;
  animation: fadeUp 1s 1.2s forwards;
}
.hero-cta:hover {
  background: var(--gold);
  color: var(--charcoal);
}
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 1s 1.8s forwards;
}
.scroll-hint span {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sand);
  opacity: 0.6;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: pulse 2s 2.5s infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* ── Section Shared ───────────────────────────────────────── */
.section-label {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

/* ── Intro (index only) ───────────────────────────────────── */
.intro {
  background: var(--warm-white);
  color: var(--charcoal);
  padding: 8rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.intro-left .section-label { color: var(--earth); }
.intro-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
}
.intro-body {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.9;
  color: #555;
  max-width: 460px;
}
.intro-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.stat-box {
  border-top: 1px solid var(--sand);
  padding-top: 1.5rem;
}
.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  color: var(--earth);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #888;
}

/* ── Carousel (index only) ────────────────────────────────── */
.carousel-section {
  background: var(--charcoal);
  padding: 6rem 0;
  overflow: hidden;
}
.carousel-header {
  text-align: center;
  padding: 0 3rem 4rem;
}
.carousel-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--cream);
}
.carousel-track-wrapper { position: relative; }
.carousel-track {
  display: flex;
  gap: 1.5rem;
  padding: 0 3rem;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.carousel-card {
  flex: 0 0 380px;
  height: 500px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.card-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  transition: transform 0.5s;
}
.carousel-card:hover .card-bg { transform: scale(1.04); }

/* Card bg variants — swap to background-image once images are in /images/ */
.card-bg.costa-rica { background: linear-gradient(160deg, #1a2e1a 0%, #2d4a1e 50%, #4a5c2d 100%); }
.card-bg.nepal      { background: linear-gradient(160deg, #1a1a2e 0%, #2d2d4a 50%, #4a3a5c 100%); }
.card-bg.india      { background: linear-gradient(160deg, #2e1a0a 0%, #4a2d0e 50%, #6e4a1a 100%); }
.card-bg.community  { background: linear-gradient(160deg, #2e2a1a 0%, #4a3d2d 50%, #5c4a3a 100%); }
.card-bg.practice   { background: linear-gradient(160deg, #1a2e2a 0%, #2d4a40 50%, #3a5c4a 100%); }

/* When you have real images, replace the gradient above with e.g.:
   .card-bg.costa-rica { background: url('../images/card-costa-rica.jpg') center/cover; } */

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}
.card-tag {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
}
.card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}
.card-desc {
  font-size: 0.78rem;
  font-weight: 200;
  line-height: 1.6;
  color: rgba(245,240,232,0.7);
  margin-bottom: 1.2rem;
}
.card-link {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201,169,110,0.4);
  padding-bottom: 2px;
  display: inline-block;
  transition: border-color 0.2s;
}
.card-link:hover { border-color: var(--gold); }
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
  padding: 0 3rem;
}
.carousel-btn {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(201,169,110,0.4);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background 0.2s, border-color 0.2s;
}
.carousel-btn:hover {
  background: rgba(201,169,110,0.1);
  border-color: var(--gold);
}
.carousel-dots { display: flex; gap: 0.5rem; }
.dot {
  width: 24px;
  height: 1px;
  background: rgba(201,169,110,0.3);
  cursor: pointer;
  transition: background 0.3s, width 0.3s;
}
.dot.active { background: var(--gold); width: 48px; }

/* ── Philosophy (index only) ──────────────────────────────── */
.philosophy {
  background: var(--bone);
  color: var(--charcoal);
  padding: 8rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.philosophy::before {
  content: 'आ';
  position: absolute;
  font-family: 'Cormorant Garamond', serif;
  font-size: 28rem;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.04;
  color: var(--earth);
  line-height: 1;
  pointer-events: none;
}
.philosophy .section-label { color: var(--earth); display: block; margin-bottom: 1rem; }
.philosophy-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  max-width: 720px;
  margin: 0 auto 2rem;
  color: var(--charcoal);
}
.philosophy-attr {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--earth);
}

/* ── Shared Footer ────────────────────────────────────────── */
.footer {
  background: #1a1a1a;
  color: var(--cream);
  padding: 6rem 3rem 3rem;
}
.footer-cta {
  text-align: center;
  padding-bottom: 5rem;
  border-bottom: 1px solid rgba(212,196,168,0.15);
  margin-bottom: 4rem;
}
.footer-cta-eyebrow {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.footer-cta-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.15;
  margin-bottom: 2.5rem;
  color: var(--cream);
}
.footer-cta-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--gold);
  color: var(--charcoal);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-outline {
  display: inline-block;
  padding: 1rem 3rem;
  border: 1px solid rgba(212,196,168,0.4);
  color: var(--cream);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: border-color 0.2s;
}
.btn-outline:hover { border-color: var(--cream); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-brand .nav-logo {
  display: block;
  font-size: 2rem;
  margin-bottom: 1.2rem;
  color: var(--cream);
}
.footer-brand p {
  font-size: 0.82rem;
  font-weight: 200;
  line-height: 1.8;
  color: rgba(245,240,232,0.55);
  max-width: 260px;
  margin-bottom: 1.5rem;
}
.social-links { display: flex; gap: 1rem; }
.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 300;
  transition: background 0.2s, border-color 0.2s;
}
.social-link:hover {
  background: rgba(201,169,110,0.1);
  border-color: var(--gold);
}
.footer-col h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 1.2rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-col a {
  font-size: 0.78rem;
  font-weight: 200;
  color: rgba(245,240,232,0.55);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--gold); }
.contact-item {
  font-size: 0.78rem;
  font-weight: 200;
  color: rgba(245,240,232,0.55);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}
.contact-item strong {
  color: var(--cream);
  font-weight: 300;
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(212,196,168,0.1);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  font-size: 0.72rem;
  font-weight: 200;
  color: rgba(245,240,232,0.35);
  letter-spacing: 0.05em;
}
.footer-legal { display: flex; gap: 2rem; }
.footer-legal a {
  font-size: 0.72rem;
  font-weight: 200;
  color: rgba(245,240,232,0.35);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--gold); }

/* ── Newsletter ───────────────────────────────────────────── */
.newsletter-row {
  display: flex;
  margin-bottom: 1rem;
  max-width: 320px;
}
.newsletter-input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,196,168,0.2);
  border-right: none;
  padding: 0.75rem 1rem;
  color: var(--cream);
  font-family: 'Jost', sans-serif;
  font-size: 0.78rem;
  font-weight: 200;
  outline: none;
}
.newsletter-input::placeholder { color: rgba(245,240,232,0.35); }
.newsletter-input:focus { border-color: rgba(201,169,110,0.5); }
.newsletter-btn {
  background: var(--gold);
  border: none;
  padding: 0.75rem 1.2rem;
  color: var(--charcoal);
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.newsletter-btn:hover { opacity: 0.85; }
.newsletter-note {
  font-size: 0.68rem;
  color: rgba(245,240,232,0.3);
  font-weight: 200;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-links { display: none; }
  .intro { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer { padding: 4rem 1.5rem 2rem; }
  .carousel-track { padding: 0 1.5rem; }
  .carousel-card { flex: 0 0 300px; }
}