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

:root {
  --sand:    #f5f0e8;
  --lava:    #1a1208;
  --palm:    #2d5016;
  --ocean:   #1b4f6b;
  --coral:   #c45c2a;
  --cream:   #faf7f2;
  --mid:     #6b5e4e;
  --light:   #e8e0d4;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --max: 1100px;
  --nav-h: 68px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--lava);
  line-height: 1.6;
  font-size: 16px;
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light);
  transition: box-shadow 0.3s;
}

.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--palm);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1.5px;
  background: var(--coral);
  transform: scaleX(0);
  transition: transform 0.25s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--lava); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--lava);
}

/* ── HERO ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: calc(var(--nav-h) + 60px) 32px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 50%, rgba(45,80,22,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(27,79,107,0.10) 0%, transparent 60%),
    linear-gradient(160deg, var(--sand) 0%, var(--cream) 60%, #e8f0e0 100%);
}

/* Decorative palm-leaf shape */
.hero-bg::after {
  content: '';
  position: absolute;
  right: -60px; top: 10%;
  width: 480px; height: 480px;
  border-radius: 50% 0 50% 0;
  background: rgba(45,80,22,0.06);
  transform: rotate(25deg);
}

.hero-content {
  position: relative;
  max-width: 680px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--lava);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: italic;
  color: var(--palm);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--mid);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.3rem;
  color: var(--mid);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--palm);
  color: #fff;
  border-color: var(--palm);
}
.btn-primary:hover {
  background: var(--coral);
  border-color: var(--coral);
}

.btn-outline {
  background: transparent;
  color: var(--lava);
  border-color: var(--lava);
}
.btn-outline:hover {
  background: var(--lava);
  color: var(--cream);
}

.btn-full { width: 100%; text-align: center; }

/* ── SECTIONS ────────────────────────────────── */
.section {
  padding: 96px 0;
}

.alt-bg {
  background: var(--sand);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 14px;
}

.section h2,
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.section h2 em,
.page-hero h1 em { font-style: italic; color: var(--palm); }

/* ── WHY GRID ─────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.why-card {
  background: var(--cream);
  border: 1px solid var(--light);
  border-radius: 8px;
  padding: 36px 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.why-icon { font-size: 2rem; margin-bottom: 16px; }

.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.why-card p { color: var(--mid); font-size: 0.95rem; line-height: 1.65; }

/* ── USES ────────────────────────────────────── */
.uses-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--light);
}

.use-item {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid var(--light);
  transition: background 0.2s;
}

.use-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--light);
  flex-shrink: 0;
  line-height: 1;
  width: 60px;
}

.use-item h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.use-item p { color: var(--mid); line-height: 1.65; }

/* ── CTA BAND ────────────────────────────────── */
.cta-band {
  background: var(--palm);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
  color: #fff;
}

.cta-band p {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn-primary {
  background: var(--coral);
  border-color: var(--coral);
}
.cta-band .btn-primary:hover {
  background: #fff;
  border-color: #fff;
  color: var(--palm);
}

/* ── BOOK ────────────────────────────────────── */
.book-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.book-text h2 { margin-bottom: 20px; }

.book-text p {
  color: var(--mid);
  line-height: 1.75;
  margin-bottom: 16px;
}

.book-text .btn { margin-top: 12px; }

.book-visual {
  display: flex;
  justify-content: center;
}

.book-cover {
  width: 240px;
  height: 340px;
  background: linear-gradient(135deg, var(--palm) 0%, #1a3409 100%);
  border-radius: 4px 12px 12px 4px;
  box-shadow: -6px 0 0 rgba(0,0,0,0.2), 12px 24px 60px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  position: relative;
}

.book-cover::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 6px;
  background: rgba(0,0,0,0.2);
  border-radius: 4px 0 0 4px;
}

.book-cover-inner { text-align: center; color: #fff; }

.book-cover-title {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 12px;
}

.book-cover-sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
}

.book-cover-author {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 12px;
}

/* ── PAGE HERO ───────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 64px;
  background: linear-gradient(160deg, var(--sand) 0%, var(--cream) 100%);
  border-bottom: 1px solid var(--light);
}

.page-hero h1 { margin-bottom: 16px; }

.page-hero-sub {
  font-size: 1.1rem;
  color: var(--mid);
  max-width: 540px;
  line-height: 1.7;
}

/* ── INVOLVEMENT GRID ────────────────────────── */
.involvement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.involvement-card {
  background: var(--sand);
  border: 1px solid var(--light);
  border-radius: 8px;
  padding: 40px 32px;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}

.involvement-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}

.involvement-card.featured {
  background: var(--palm);
  color: #fff;
  border-color: var(--palm);
}

.involvement-card.featured h3,
.involvement-card.featured p { color: rgba(255,255,255,0.9); }

.involvement-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--light);
  line-height: 1;
  margin-bottom: 20px;
}

.involvement-card.featured .involvement-num { color: rgba(255,255,255,0.2); }

.involvement-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.involvement-card p { color: var(--mid); line-height: 1.65; font-size: 0.95rem; }

.popular-tag {
  display: inline-block;
  margin-top: 20px;
  padding: 4px 12px;
  background: var(--coral);
  color: #fff;
  border-radius: 20px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── APPROACH GRID ───────────────────────────── */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 64px;
}

.approach-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--lava);
}

.approach-item p { color: var(--mid); line-height: 1.7; }

/* ── OPTIONS GRID ────────────────────────────── */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.option-card {
  background: var(--sand);
  border: 1px solid var(--light);
  border-radius: 8px;
  padding: 36px 30px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.option-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.option-icon { font-size: 2rem; margin-bottom: 16px; }

.option-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.option-desc { color: var(--mid); margin-bottom: 16px; font-size: 0.95rem; }

.option-list { padding-left: 0; }
.option-list li {
  color: var(--mid);
  font-size: 0.93rem;
  line-height: 1.6;
  padding: 6px 0;
  border-bottom: 1px solid var(--light);
}
.option-list li:last-child { border-bottom: none; }
.option-list li strong { color: var(--lava); }

/* ── CONTACT ─────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact-block {
  margin-bottom: 32px;
}

.contact-block h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1.05rem;
  color: var(--lava);
  line-height: 1.6;
  display: block;
  transition: color 0.2s;
}

a.contact-value:hover { color: var(--palm); }

/* ── FORM ────────────────────────────────────── */
.contact-form-wrap {
  background: var(--sand);
  border: 1px solid var(--light);
  border-radius: 10px;
  padding: 40px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--cream);
  border: 1.5px solid var(--light);
  border-radius: 5px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--lava);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--palm);
}

.form-group textarea { resize: vertical; }

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--mid);
  margin-top: 12px;
}

/* ── FOOTER ──────────────────────────────────── */
.footer {
  background: var(--lava);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 10px;
}

.footer-brand p:not(.footer-logo) { font-size: 0.9rem; line-height: 1.7; }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

.footer-contact p { margin-bottom: 8px; font-size: 0.9rem; }
.footer-contact a { color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 860px) {
  .book-inner,
  .involvement-grid,
  .approach-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .book-visual { order: -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--light);
    padding: 20px 32px;
    gap: 20px;
  }
  .nav-toggle { display: block; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .use-item { flex-direction: column; gap: 12px; }
}