/* ============================================================
   WEDDING WEBSITE — DANIELLE & STEPHAN
   main.css — Global tokens, reset, typography, nav, footer
   ============================================================ */

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --color-bg:       #FAF8F4;
  --color-accent:   #9B7B5A;
  --color-accent-light: #C4A882;
  --color-text:     #2C2C2C;
  --color-muted:    #7A7060;
  --color-border:   #E0D9CF;
  --color-white:    #FFFFFF;

  --font-heading:   'Cormorant Garamond', Georgia, serif;
  --font-body:      'Inter', system-ui, sans-serif;

  --max-width:      1200px;
  --nav-height:     64px;

  --space-xs:       0.5rem;
  --space-sm:       1rem;
  --space-md:       2rem;
  --space-lg:       4rem;
  --space-xl:       6rem;

  --radius-sm:      4px;
  --radius-md:      8px;

  --transition:     0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(3rem, 8vw, 6rem); letter-spacing: 0.01em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: 0.01em; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.25rem; }

p { max-width: 65ch; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-xl);
}

/* ── Navigation ───────────────────────────────────────────── */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}

#site-nav.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

#site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 680px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    z-index: 99;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1rem;
    letter-spacing: 0.15em;
  }
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background-color: var(--color-text);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: var(--space-md);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

footer span {
  color: var(--color-accent-light);
  font-family: var(--font-heading);
  font-size: 1rem;
}

/* ── Scroll Fade-In Animation ─────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-group > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-group.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.fade-in-group.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.12s; }
.fade-in-group.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.24s; }
.fade-in-group.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.36s; }
.fade-in-group.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.48s; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-solid {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-solid:hover {
  background: #7a5f3e;
  border-color: #7a5f3e;
}

/* ── Section Headings ─────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-xs);
}

.section-header .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-family: var(--font-body);
  margin-bottom: var(--space-xs);
}

.section-header .divider {
  width: 48px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-sm) auto 0;
}

/* ── Page Header (inner pages) ────────────────────────────── */
.page-hero {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}