/* ============================================
   MATURITY COACH — Global Stylesheet
   Design: Apple Senior Website Designer
   Philosophy: Ancient Wisdom × Modern Technology
   ============================================ */

:root {
  --black: #0A0A0A;
  --white: #FFFFFF;
  --cream: #F7F3EC;
  --gold: #B8975A;
  --gold-light: #D4AF7A;
  --gold-dark: #8B6E3A;
  --charcoal: #1C1C1E;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8E;
  --border: rgba(0,0,0,0.08);
  --border-light: rgba(255,255,255,0.12);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.10);
  --shadow-lg: 0 24px 80px rgba(0,0,0,0.14);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --nav-height: 72px;
  --max-width: 1200px;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 400; line-height: 1.15; letter-spacing: -0.01em; }
.display-1 { font-size: clamp(48px, 7vw, 88px); line-height: 1.0; letter-spacing: -0.03em; }
.display-2 { font-size: clamp(36px, 5vw, 64px); line-height: 1.05; letter-spacing: -0.025em; }
.display-3 { font-size: clamp(28px, 4vw, 48px); line-height: 1.1; letter-spacing: -0.02em; }
.title-1    { font-size: clamp(22px, 3vw, 34px); line-height: 1.2; }
.title-2    { font-size: clamp(18px, 2.5vw, 26px); line-height: 1.25; }
.body-lg    { font-size: clamp(17px, 2vw, 21px); line-height: 1.65; font-weight: 300; }
.body-md    { font-size: 17px; line-height: 1.65; }
.body-sm    { font-size: 15px; line-height: 1.6; }
.caption    { font-size: 12px; line-height: 1.5; letter-spacing: 0.1em; text-transform: uppercase; }
.serif      { font-family: var(--font-serif); }

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height); z-index: 100;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 32px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 15px; font-family: var(--font-serif);
}
.logo-text { font-family: var(--font-serif); font-size: 19px; color: var(--charcoal); }
.logo-text span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 15px; color: var(--text-secondary); transition: var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 1px; background: var(--gold); transform: scaleX(0); transition: var(--transition); }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: var(--charcoal) !important; color: var(--white) !important;
  padding: 10px 22px; border-radius: 100px; font-size: 14px !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--gold) !important; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-hamburger span { display: block; width: 24px; height: 1.5px; background: var(--charcoal); transition: var(--transition); }

/* Mobile Nav Overlay */
.mobile-menu {
  display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { display: block; padding: 20px 32px; font-size: 22px; font-family: var(--font-serif); color: var(--text-primary); border-bottom: 1px solid var(--border); width: 100%; text-align: center; transition: var(--transition); }
.mobile-menu a:hover { color: var(--gold); }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 15px 32px; border-radius: 100px; font-size: 16px; font-weight: 500; cursor: pointer; border: none; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: var(--charcoal); color: var(--white); }
.btn-primary:hover { background: var(--gold); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(184,151,90,0.35); }
.btn-outline { background: transparent; color: var(--charcoal); border: 1.5px solid rgba(0,0,0,0.18); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: var(--white); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(184,151,90,0.4); }
.btn-white { background: var(--white); color: var(--charcoal); }
.btn-white:hover { background: var(--cream); transform: translateY(-2px); }
.btn-lg { padding: 18px 44px; font-size: 17px; }
.btn-sm { padding: 11px 24px; font-size: 14px; }
.btn svg { width: 16px; height: 16px; transition: transform 0.3s; }
.btn:hover svg { transform: translateX(4px); }

/* ── Layout ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.container-sm { max-width: 820px; margin: 0 auto; padding: 0 32px; }
.container-xs { max-width: 600px; margin: 0 auto; padding: 0 32px; }
.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.section-lg { padding: 160px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 36px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--white); }

/* ── Section Label ── */
.section-label { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; }
.section-label::before { content: ''; display: block; width: 28px; height: 1px; background: var(--gold); }

/* ── Divider ── */
.divider { width: 48px; height: 1px; background: linear-gradient(90deg, var(--gold), transparent); margin: 28px auto; }
.divider-left { margin-left: 0; }

/* ── Cards ── */
.card { background: var(--white); border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(184,151,90,0.25); }
.card-cream { background: var(--cream); border-color: transparent; }
.card-dark { background: var(--charcoal); color: var(--white); border-color: transparent; }

/* ── Icon Box ── */
.icon-box { width: 52px; height: 52px; border-radius: 12px; background: linear-gradient(135deg, rgba(184,151,90,0.12), rgba(184,151,90,0.06)); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 22px; }

/* ── Quote ── */
.pullquote { font-family: var(--font-serif); font-size: clamp(20px, 2.8vw, 30px); line-height: 1.5; font-style: italic; color: var(--text-primary); padding: 32px 0 32px 48px; position: relative; }
.pullquote::before { content: '\201C'; position: absolute; left: 0; top: 16px; font-size: 72px; color: var(--gold); font-family: var(--font-serif); line-height: 1; opacity: 0.5; }

/* ── Stats ── */
.stat-number { font-family: var(--font-serif); font-size: clamp(36px, 5vw, 60px); color: var(--gold); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 14px; color: var(--text-muted); }

/* ── Testimonials ── */
.testimonial-card { background: var(--cream); border-radius: var(--radius-lg); padding: 36px; }
.testimonial-quote { font-family: var(--font-serif); font-size: 17px; line-height: 1.7; font-style: italic; color: var(--text-primary); margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar { width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-dark), var(--gold)); display: flex; align-items: center; justify-content: center; color: white; font-size: 15px; font-weight: 600; flex-shrink: 0; }
.testimonial-name { font-weight: 600; font-size: 15px; }
.testimonial-title { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ── Page Hero ── */
.page-hero { padding: calc(var(--nav-height) + 80px) 0 80px; background: var(--charcoal); color: var(--white); text-align: center; }
.page-hero h1 { color: var(--white); }
.page-hero .body-lg { color: rgba(255,255,255,0.6); max-width: 580px; margin: 20px auto 0; }

/* ── Form ── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--text-secondary); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 18px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 15px; font-family: var(--font-sans);
  color: var(--text-primary); background: var(--white); transition: var(--transition);
  outline: none; -webkit-appearance: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,151,90,0.12); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ── Gold Line ── */
.gold-line { width: 1px; height: 72px; background: linear-gradient(to bottom, transparent, var(--gold), transparent); margin: 0 auto; }

/* ── Footer ── */
.footer { background: var(--charcoal); color: rgba(255,255,255,0.65); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-logo { width: 36px; height: 36px; background: linear-gradient(135deg, var(--gold-dark), var(--gold)); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-size: 14px; font-family: var(--font-serif); flex-shrink: 0; }
.footer-brand-name { font-family: var(--font-serif); color: var(--white); font-size: 18px; }
.footer-brand-name span { color: var(--gold); }
.footer-desc { font-size: 14px; line-height: 1.75; max-width: 260px; }
.footer-col h4 { font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--white); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.3); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 16px; margin-top: 24px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--transition); }
.footer-social a:hover { border-color: var(--gold); color: var(--gold); }

/* ── Fade In ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .container, .container-sm, .container-xs { padding: 0 20px; }
  .section { padding: 72px 0; }
  .section-lg { padding: 96px 0; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}