/* ===============================================
   THE AUTUMN MOON — Design Tokens & Styles
   Indian Fashion · Minimal & Elegant
   =============================================== */

/* --- Fonts --- */
/* Instrument Serif for display (luxury/fashion/refined)
   Switzer for body (clean, elegant, Fontshare) */

/* --- 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);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing (4px base) */
  --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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

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

  /* Font families */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
}

/* ---- LIGHT MODE (The Autumn Moon — warm ivory/cream palette) ---- */
:root,
[data-theme='light'] {
  /* Surfaces — warm ivory */
  --color-bg: #FAF8F3;
  --color-surface: #F5F2EB;
  --color-surface-2: #EDE9E0;
  --color-border: #D6D0C4;
  --color-divider: #E0DBD0;

  /* Text — warm dark */
  --color-text: #2C2418;
  --color-text-muted: #7A7062;
  --color-text-faint: #B5AFA4;
  --color-text-inverse: #FAF8F3;

  /* Primary accent — deep rust/terracotta */
  --color-primary: #9B4B2F;
  --color-primary-hover: #7C3B24;
  --color-primary-active: #5F2D1B;

  /* Secondary accent — warm gold */
  --color-gold: #B8913A;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.25 0.02 60 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 60 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 60 / 0.12);
}

/* ---- DARK MODE ---- */
[data-theme='dark'] {
  --color-bg: #1A1714;
  --color-surface: #211E1A;
  --color-surface-2: #2A2622;
  --color-border: #3D3830;
  --color-divider: #302C26;

  --color-text: #E0DCD4;
  --color-text-muted: #9A9488;
  --color-text-faint: #5E5A52;
  --color-text-inverse: #1A1714;

  --color-primary: #D4845E;
  --color-primary-hover: #C07248;
  --color-primary-active: #A85F38;

  --color-gold: #D4AC5C;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1A1714;
    --color-surface: #211E1A;
    --color-surface-2: #2A2622;
    --color-border: #3D3830;
    --color-divider: #302C26;
    --color-text: #E0DCD4;
    --color-text-muted: #9A9488;
    --color-text-faint: #5E5A52;
    --color-text-inverse: #1A1714;
    --color-primary: #D4845E;
    --color-primary-hover: #C07248;
    --color-primary-active: #A85F38;
    --color-gold: #D4AC5C;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
  }
}

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

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

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

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo svg {
  width: 36px;
  height: 36px;
}

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

.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: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  padding: var(--space-1) 0;
  position: relative;
}
.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width 0.3s var(--ease-out);
}
.header__nav a:hover {
  color: var(--color-text);
}
.header__nav a:hover::after {
  width: 100%;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--color-text);
}

@media (max-width: 767px) {
  .nav-toggle { display: grid; }
  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    flex-direction: column;
    padding: var(--space-6) var(--space-4);
    gap: var(--space-5);
  }
  .header__nav.is-open { display: flex; }
}

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

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    oklch(0.15 0.01 60 / 0.85) 0%,
    oklch(0.15 0.01 60 / 0.3) 50%,
    oklch(0.15 0.01 60 / 0.05) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-4) var(--space-12);
  width: 100%;
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  color: #FAF8F3;
  font-weight: 400;
  font-style: italic;
  line-height: 1.05;
  max-width: 14ch;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: #D6D0C4;
  max-width: 48ch;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #FAF8F3;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.hero__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: #FAF8F3;
}
.hero__cta:active {
  transform: translateY(0);
}

/* ===============================================
   SECTIONS (General)
   =============================================== */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-32)) var(--space-4);
}

.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}

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

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  font-weight: 400;
  font-style: italic;
}

.section__divider {
  width: 48px;
  height: 1px;
  background: var(--color-gold);
  margin: var(--space-4) auto 0;
}

/* ===============================================
   COLLECTIONS GRID
   =============================================== */

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

.collections__grid {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 767px) {
  .collections__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.collection-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  border-radius: var(--radius-md);
}

.collection-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.collection-card:hover img {
  transform: scale(1.04);
}

.collection-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    oklch(0.12 0.01 60 / 0.75) 0%,
    oklch(0.12 0.01 60 / 0) 50%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: background 0.3s var(--ease-out);
}
.collection-card:hover .collection-card__overlay {
  background: linear-gradient(
    to top,
    oklch(0.12 0.01 60 / 0.85) 0%,
    oklch(0.12 0.01 60 / 0.1) 60%
  );
}

.collection-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #FAF8F3;
  font-style: italic;
  margin-bottom: var(--space-1);
}

.collection-card__desc {
  font-size: var(--text-sm);
  color: #D6D0C4;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.collection-card:hover .collection-card__desc {
  opacity: 1;
  transform: translateY(0);
}

/* ===============================================
   LIFESTYLE BREAK
   =============================================== */

.lifestyle-break {
  position: relative;
  height: 50vh;
  min-height: 340px;
  overflow: hidden;
}
.lifestyle-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lifestyle-break__overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: oklch(0.15 0.01 60 / 0.45);
}
.lifestyle-break__quote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: #FAF8F3;
  font-style: italic;
  text-align: center;
  max-width: 24ch;
  padding: 0 var(--space-4);
}

/* ===============================================
   ABOUT SECTION
   =============================================== */

.about__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

@media (max-width: 767px) {
  .about__inner {
    grid-template-columns: 1fr;
  }
}

.about__image {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about__content {
  max-width: 520px;
}

.about__content .section__label {
  text-align: left;
}
.about__content .section__title {
  text-align: left;
  margin-bottom: var(--space-6);
}

.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.about__values {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  list-style: none;
}

.about__values li {
  text-align: center;
}

.about__values-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-style: italic;
}

.about__values-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* ===============================================
   PHILOSOPHY / FEATURES
   =============================================== */

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

.philosophy__grid {
  max-width: var(--content-default);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 767px) {
  .philosophy__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.philosophy-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.philosophy-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-5);
  color: var(--color-primary);
}

.philosophy-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  font-style: italic;
  margin-bottom: var(--space-3);
}

.philosophy-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

.contact__inner {
  max-width: var(--content-narrow);
  margin-inline: auto;
  text-align: center;
}

.contact__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.contact__form input::placeholder,
.contact__form textarea::placeholder {
  color: var(--color-text-faint);
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}

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

.contact__submit {
  align-self: center;
  padding: var(--space-3) var(--space-10);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.contact__submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.contact__submit:active {
  transform: translateY(0);
}

/* Social links */
.contact__socials {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.contact__socials a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
}
.contact__socials a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: oklch(from var(--color-primary) l c h / 0.06);
}

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

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) var(--space-4);
}

.footer__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.footer__logo svg {
  width: 28px;
  height: 28px;
}
.footer__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

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

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

.reveal-up {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .reveal-up {
    clip-path: inset(100% 0 0 0);
    animation: reveal-clip linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-clip {
  to { clip-path: inset(0 0 0 0); }
}

/* ===============================================
   SILK CORSET TOPS SECTION
   =============================================== */

.corset-section {
  background: var(--color-bg);
}

.corset-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: var(--space-6) auto 0;
  line-height: 1.75;
  text-align: center;
}

.corset-grid {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
}

@media (max-width: 767px) {
  .corset-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

.corset-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.corset-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.corset-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}
.corset-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.corset-card:hover .corset-card__image img {
  transform: scale(1.04);
}

.corset-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary);
  color: #FAF8F3;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
}

.corset-card__info {
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.corset-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  font-weight: 400;
}

.corset-card__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.corset-card__price {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 600;
  margin-top: var(--space-1);
}

.corset-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-8);
  max-width: var(--content-default);
  margin-inline: auto;
}
.corset-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}