/* =====================================================
   Natalie's PhoTay's — Shared Stylesheet
   Deep Teal / Slate Blue · Playfair Display · Lato
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Lato:wght@300;400;700&display=swap');

/* ── Custom Properties ── */
:root {
  --teal:        #2A6474;
  --teal-dark:   #1C4A57;
  --teal-deeper: #123340;
  --teal-light:  #3A8090;
  --teal-mist:   rgba(42, 100, 116, 0.08);
  --white:       #FFFFFF;
  --off-white:   #F6F9FA;
  --light-bg:    #EEF4F6;
  --border:      #CDE0E6;
  --text:        #1E2A2D;
  --text-muted:  #5A7078;
  --text-soft:   #8AA4AC;
  --gold:        #E8C96A;

  --serif: 'Playfair Display', Georgia, serif;
  --sans:  'Lato', Helvetica, Arial, sans-serif;

  --nav-h:   72px;
  --radius:  2px;
  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --dur:     0.35s;
  --max-w:   1160px;
  --pad:     clamp(20px, 5vw, 60px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-font-smoothing: antialiased; }
body { font-family: var(--sans); font-size: 16px; font-weight: 400; line-height: 1.75; color: var(--text); background: var(--white); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul { list-style: none; }
::selection { background: var(--teal); color: var(--white); }

/* ── Container ── */
.container { width: min(100%, var(--max-w)); margin: 0 auto; padding: 0 var(--pad); }

/* ── Section helpers ── */
.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 0.9rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--teal-dark);
  margin-bottom: 1rem;
}
.section-title em { font-style: italic; font-weight: 400; }
.divider { width: 44px; height: 2px; background: var(--teal); margin: 1.4rem 0 2rem; }
.divider--center { margin: 1.4rem auto 2rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary   { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 6px 22px rgba(28,74,87,0.28); }
.btn-outline   { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.55); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-teal-outline { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); }
.btn-teal-outline:hover { background: var(--teal); color: var(--white); }
.btn-white     { background: var(--white); color: var(--teal-dark); }
.btn-white:hover { background: var(--off-white); transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,0,0,0.14); }

/* ═══════════════════════════════
   NAV
═══════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42,100,116,0.1);
  transition: box-shadow var(--dur) var(--ease);
}
.site-nav.scrolled { box-shadow: 0 2px 24px rgba(28,74,87,0.1); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--teal-dark);
  letter-spacing: 0.01em;
  text-decoration: none;
}
.nav-logo img {
  height: calc(var(--nav-h) - 28px);
  width: auto;
  display: block;
  flex-shrink: 0;
}
.nav-logo em { font-style: italic; font-weight: 400; color: var(--teal-light); }

.nav-links { display: flex; align-items: center; gap: 2.4rem; }
.nav-links a {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-links .nav-cta {
  background: var(--teal);
  color: var(--white);
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius);
}
.nav-links .nav-cta:hover { background: var(--teal-dark); color: var(--white); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--teal-dark); border-radius: 2px; transition: all 0.3s; }

@media (max-width: 860px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 1.5rem var(--pad);
    gap: 1.4rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(28,74,87,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 0.9rem; }
}

/* ═══════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════ */
.page-hero {
  padding: calc(var(--nav-h) + 5rem) var(--pad) 5rem;
  background: linear-gradient(150deg, var(--teal-dark) 0%, var(--teal) 60%, var(--teal-light) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(255,255,255,0.04) 0%, transparent 60%);
}
.page-hero-content { position: relative; }
.page-hero .section-label { color: rgba(255,255,255,0.6); }
.page-hero .section-title { color: var(--white); font-size: clamp(2.2rem, 5vw, 3.5rem); }
.page-hero p { color: rgba(255,255,255,0.78); font-size: 1.05rem; font-weight: 300; max-width: 560px; margin: 0 auto; }

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
.site-footer {
  background: var(--teal-deeper);
  color: rgba(255,255,255,0.78);
  padding: 4.5rem var(--pad) 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
}
.footer-brand { font-family: var(--serif); font-size: 1.45rem; font-weight: 700; color: var(--white); margin-bottom: 0.7rem; }
.footer-brand em { font-style: italic; font-weight: 400; color: rgba(255,255,255,0.55); }
.footer-tagline { font-size: 0.88rem; color: rgba(255,255,255,0.45); line-height: 1.65; }
.footer-col h4 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-bottom: 1.2rem;
}
.footer-col a,
.footer-col p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.68);
  margin-bottom: 0.65rem;
  transition: color var(--dur);
}
.footer-col a:hover { color: var(--white); }
.footer-col svg { flex-shrink: 0; }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.4rem; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ═══════════════════════════════
   SCROLL REVEAL
═══════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.in-view { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.12s; }
.reveal-d2 { transition-delay: 0.24s; }
.reveal-d3 { transition-delay: 0.36s; }
.reveal-d4 { transition-delay: 0.48s; }

/* ═══════════════════════════════
   STICKY MOBILE BOOK BUTTON
═══════════════════════════════ */
.sticky-book {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 800;
  background: var(--teal-dark);
  padding: 1rem 1.5rem;
  text-align: center;
  box-shadow: 0 -4px 24px rgba(28,74,87,0.3);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sticky-book a {
  display: block;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
@media (max-width: 860px) {
  .sticky-book { display: block; }
  body { padding-bottom: 56px; }
}