/* style.css — PETSION LIMITED — Wine Retail Theme */

/* === Design Tokens === */
:root,
[data-theme='light'] {
  /* Wine-inspired palette — warm cream surfaces, deep burgundy, gold */
  --color-bg: #faf7f3;
  --color-surface: #f5f0e8;
  --color-surface-2: #efe9df;
  --color-surface-offset: #e9e1d3;
  --color-surface-offset-2: #e0d5c3;
  --color-surface-dynamic: #d8ccb8;
  --color-divider: #d4c8b5;
  --color-border: #c8baa5;

  --color-text: #2a1a14;
  --color-text-muted: #6b554a;
  --color-text-faint: #a89a8c;
  --color-text-inverse: #faf7f3;

  /* Primary — Deep Burgundy */
  --color-primary: #7a1f2b;
  --color-primary-hover: #5c1620;
  --color-primary-active: #440f17;
  --color-primary-highlight: #e8d5d8;

  /* Gold Accent */
  --color-gold: #b8860b;
  --color-gold-hover: #967009;
  --color-gold-highlight: #f0e4c8;

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

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

  --shadow-sm: 0 1px 2px rgba(42, 26, 20, 0.06);
  --shadow-md: 0 4px 16px rgba(42, 26, 20, 0.08);
  --shadow-lg: 0 16px 40px rgba(42, 26, 20, 0.12);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Cormorant', Georgia, 'Times New Roman', serif;
  --font-body: 'Work Sans', -apple-system, 'Helvetica Neue', sans-serif;
}

/* === Dark Mode === */
[data-theme='dark'] {
  --color-bg: #1a110e;
  --color-surface: #221611;
  --color-surface-2: #2a1c16;
  --color-surface-offset: #1e1410;
  --color-surface-offset-2: #25190f;
  --color-surface-dynamic: #322318;
  --color-divider: #2e2018;
  --color-border: #3d2c20;

  --color-text: #e8ddd4;
  --color-text-muted: #a8957f;
  --color-text-faint: #6b5a4a;
  --color-text-inverse: #1a110e;

  --color-primary: #c97080;
  --color-primary-hover: #d4889a;
  --color-primary-active: #a85a6a;
  --color-primary-highlight: #3a2228;

  --color-gold: #e0b840;
  --color-gold-hover: #f0c955;
  --color-gold-highlight: #3a2e15;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* === Type Scale === */
:root {
  --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);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);
}

/* === Spacing === */
:root {
  --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;
}

/* === Layout === */
.container {
  width: min(100% - 2.5rem, var(--content-wide));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-32));
}

.section__header {
  text-align: center;
  max-width: var(--content-narrow);
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* === Header === */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}

.header__inner {
  width: min(100% - 2rem, var(--content-wide));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo__svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

/* === Navigation === */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--transition-interactive);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-interactive);
}

.nav__toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === Theme Toggle === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: all var(--transition-interactive);
}

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

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn--block {
  width: 100%;
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 92dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, color-mix(in oklab, var(--color-primary) 20%, transparent), transparent 60%),
    radial-gradient(ellipse at 20% 80%, color-mix(in oklab, var(--color-gold) 12%, transparent), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 75% 35%, color-mix(in oklab, var(--color-primary) 8%, transparent) 0%, transparent 40%),
    radial-gradient(circle at 25% 65%, color-mix(in oklab, var(--color-gold) 6%, transparent) 0%, transparent 35%);
}

/* Decorative wine bottle silhouette */
.hero__bg::after {
  content: '';
  position: absolute;
  right: 5%;
  bottom: 0;
  width: 300px;
  height: 80%;
  background:
    linear-gradient(180deg, transparent 0%, color-mix(in oklab, var(--color-primary) 6%, transparent) 100%);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 300'%3E%3Crect x='40' y='10' width='20' height='80' rx='3' fill='black'/%3E%3Crect x='47' y='0' width='6' height='12' rx='1' fill='black'/%3E%3Cpath d='M38 90 Q50 110 38 130 Q50 150 38 170 Q50 190 38 210 Q50 230 38 250 L38 290 L62 290 L62 250 Q50 230 62 210 Q50 190 62 170 Q50 150 62 130 Q50 110 62 90 Z' fill='black' opacity='0.7'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 300'%3E%3Crect x='40' y='10' width='20' height='80' rx='3' fill='black'/%3E%3Crect x='47' y='0' width='6' height='12' rx='1' fill='black'/%3E%3Cpath d='M38 90 Q50 110 38 130 Q50 150 38 170 Q50 190 38 210 Q50 230 38 250 L38 290 L62 290 L62 250 Q50 230 62 210 Q50 190 62 170 Q50 150 62 130 Q50 110 62 90 Z' fill='black' opacity='0.7'/%3E%3C/svg%3E") center / contain no-repeat;
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 3rem, var(--content-wide));
  margin-inline: auto;
  max-width: var(--content-default);
  padding-block: var(--space-24);
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 16ch;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 52ch;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--color-text-faint));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.5); transform-origin: top; opacity: 0.3; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
}

/* === About === */
.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.about__text p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}

.about__stat-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}

.about__stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* === Collection === */
.collection {
  background: var(--color-surface);
}

.collection__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.wine-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-interactive);
  display: flex;
  flex-direction: column;
}

.wine-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.wine-card__image {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.wine-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.wine-card:hover .wine-card__image img {
  transform: scale(1.06);
}

.wine-card__image--bordeaux { background: linear-gradient(135deg, color-mix(in oklab, var(--color-primary) 12%, var(--color-surface-2)), var(--color-surface-2)); }
.wine-card__image--italy { background: linear-gradient(135deg, color-mix(in oklab, var(--color-gold) 15%, var(--color-surface-2)), var(--color-surface-2)); }
.wine-card__image--newworld { background: linear-gradient(135deg, color-mix(in oklab, var(--color-primary) 8%, var(--color-surface-2)), color-mix(in oklab, var(--color-gold) 10%, var(--color-surface-2))); }
.wine-card__image--rare { background: linear-gradient(135deg, color-mix(in oklab, var(--color-primary) 15%, var(--color-surface-offset)), var(--color-surface-2)); }

.wine-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.wine-card__region {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.wine-card__name {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.wine-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Services === */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.service {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: all var(--transition-interactive);
}

.service:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.service__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
}

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

.service__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Contact === */
.contact {
  background: var(--color-surface);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.contact__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-faint);
}

.contact__value {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}

.contact__link {
  transition: color var(--transition-interactive);
}

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

.contact__cta {
  position: sticky;
  top: 100px;
}

.contact__cta-inner {
  padding: var(--space-10);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.contact__cta-title {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.contact__cta-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.contact__cta-inner .btn {
  margin-bottom: var(--space-3);
}

.contact__cta-inner .btn:last-child {
  margin-bottom: 0;
}

/* === Footer === */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.logo__svg--footer {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.footer__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

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

.footer__contact {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.footer__contact a {
  color: var(--color-primary);
  transition: color var(--transition-interactive);
}

.footer__contact a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  width: 100%;
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 72px;
    right: 0;
    width: 100%;
    max-width: 320px;
    height: calc(100dvh - 72px);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-8);
    background: var(--color-bg);
    border-left: 1px solid var(--color-divider);
    transform: translateX(100%);
    transition: transform var(--transition-interactive);
    box-shadow: var(--shadow-lg);
  }

  .nav__list[data-open='true'] {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--text-base);
    padding: var(--space-3) 0;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .about__visual {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .about__stat {
    flex: 1 1 140px;
    text-align: center;
    align-items: center;
    padding: var(--space-5);
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .contact__cta {
    position: static;
  }

  .hero__bg::after {
    display: none;
  }

  .hero__title {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .collection__grid {
    grid-template-columns: 1fr;
  }

  .footer__contact {
    flex-direction: column;
    gap: var(--space-2);
  }

  .footer__contact span {
    display: none;
  }
}