/* ============================
   FAVRE.SWISS — Design Tokens
   ============================ */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ============================
   LIGHT MODE (default)
   ============================ */
:root,
[data-theme='light'] {
  --color-bg: #f5f3ee;
  --color-surface: #faf9f6;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eceae4;
  --color-divider: #d6d3cc;
  --color-border: #c8c4bc;

  --color-text: #1a1a2e;
  --color-text-muted: #5c5c72;
  --color-text-faint: #9e9eb0;
  --color-text-inverse: #f5f3ee;

  /* Royal blue from coat of arms */
  --color-primary: #1a3a8f;
  --color-primary-hover: #142d6e;
  --color-primary-active: #0f2050;
  --color-primary-light: #e8edf8;

  /* Silver accent */
  --color-accent: #8a8fa0;
  --color-accent-light: #c8cad4;

  --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 26, 46, 0.12);
}

/* ============================
   DARK MODE
   ============================ */
[data-theme='dark'] {
  --color-bg: #0e0e1a;
  --color-surface: #151524;
  --color-surface-2: #1a1a2e;
  --color-surface-offset: #12121f;
  --color-divider: #2a2a3e;
  --color-border: #3a3a50;

  --color-text: #d4d4e0;
  --color-text-muted: #8888a0;
  --color-text-faint: #5a5a72;
  --color-text-inverse: #0e0e1a;

  --color-primary: #6b8fd4;
  --color-primary-hover: #5578b8;
  --color-primary-active: #4066a0;
  --color-primary-light: #1e2640;

  --color-accent: #9ca0b0;
  --color-accent-light: #3a3e52;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0e0e1a;
    --color-surface: #151524;
    --color-surface-2: #1a1a2e;
    --color-surface-offset: #12121f;
    --color-divider: #2a2a3e;
    --color-border: #3a3a50;
    --color-text: #d4d4e0;
    --color-text-muted: #8888a0;
    --color-text-faint: #5a5a72;
    --color-text-inverse: #0e0e1a;
    --color-primary: #6b8fd4;
    --color-primary-hover: #5578b8;
    --color-primary-active: #4066a0;
    --color-primary-light: #1e2640;
    --color-accent: #9ca0b0;
    --color-accent-light: #3a3e52;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  }
}

/* ============================
   GLOBAL STYLES
   ============================ */

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--content-narrow);
}

.container--wide {
  max-width: var(--content-wide);
}

/* ============================
   HEADER
   ============================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.header__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.header__logo span {
  color: var(--color-primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 500;
}

.header__nav a:hover {
  color: var(--color-text);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: transparent;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6) var(--space-4);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .header__nav.is-open {
    display: flex;
  }
  .header__nav a {
    font-size: var(--text-base);
    padding: var(--space-2) 0;
  }
}

/* ============================
   HERO
   ============================ */

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-4);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, oklch(from var(--color-primary) l c h / 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, oklch(from var(--color-primary) l c h / 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__crest {
  width: 180px;
  height: auto;
  margin: 0 auto var(--space-8);
  filter: drop-shadow(0 4px 24px rgba(26, 58, 143, 0.15));
  animation: fadeInUp 1s ease-out;
  border-radius: var(--radius-lg);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: 0.06em;
  animation: fadeInUp 1s ease-out 0.15s both;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero__tagline {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
  animation: fadeInUp 1s ease-out 0.45s both;
}

.hero__divider {
  width: 60px;
  height: 2px;
  background: var(--color-primary);
  margin: var(--space-6) auto;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero__scroll {
  margin-top: var(--space-8);
  animation: fadeInUp 1s ease-out 0.75s both;
}

.hero__scroll a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__scroll a:hover {
  color: var(--color-primary);
}

.hero__scroll svg {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================
   SECTIONS
   ============================ */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}

.section__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section__divider {
  width: 40px;
  height: 2px;
  background: var(--color-primary);
  margin: var(--space-4) auto 0;
}

/* ============================
   ETYMOLOGY
   ============================ */

.etymology {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--content-default);
  margin-inline: auto;
}

@media (min-width: 768px) {
  .etymology {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }
}

.etymology__text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.etymology__text p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.etymology__quote {
  position: relative;
  padding: var(--space-6) var(--space-8);
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.6;
}

.etymology__quote cite {
  display: block;
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-family: var(--font-body);
}

/* ============================
   COAT OF ARMS (Armoiries)
   ============================ */

.armoiries__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--content-default);
  margin-inline: auto;
  align-items: center;
}

@media (min-width: 768px) {
  .armoiries__grid {
    grid-template-columns: auto 1fr;
    gap: var(--space-12);
  }
}

.armoiries__image {
  display: flex;
  justify-content: center;
}

.armoiries__image img {
  width: 240px;
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(26, 58, 143, 0.12));
  border-radius: var(--radius-lg);
}

.armoiries__description h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.armoiries__description p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.armoiries__elements {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.armoiries__element {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.armoiries__element-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.armoiries__element h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.armoiries__element p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .armoiries__elements {
    grid-template-columns: 1fr;
  }
}

/* ============================
   BOULOZ / HISTORY
   ============================ */

.history__content {
  max-width: var(--content-default);
  margin-inline: auto;
}

.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent-light));
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  border-radius: var(--radius-full);
}

.timeline__date {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.timeline__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.timeline__text {
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ============================
   FAMILY IN SWITZERLAND
   ============================ */

.family-spread {
  max-width: var(--content-default);
  margin-inline: auto;
}

.family-spread__intro {
  text-align: center;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
  margin: 0 auto var(--space-10);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.stat-card {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.branches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.branch-card {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.branch-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.branch-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================
   CONTACT
   ============================ */

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--content-default);
  margin-inline: auto;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }
}

.contact__info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact__info p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.contact__form {
  background: var(--color-surface-2);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  width: 100%;
  min-height: 48px;
}

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

.btn-primary:active {
  background: var(--color-primary-active);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
}

.form-success.is-visible {
  display: block;
}

.form-success svg {
  margin: 0 auto var(--space-4);
  color: var(--color-primary);
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-success p {
  color: var(--color-text-muted);
}

/* ============================
   FOOTER
   ============================ */

.footer {
  padding: var(--space-10) var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__crest {
  width: 60px;
  height: auto;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.footer__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
  max-width: none;
}

.footer__origin {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: none;
}

.footer__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}