/* ============================================
   Шлейф — Demo Site Styles
   Design tokens from landing-stub
   ============================================ */

:root {
  /* Colors */
  --color-bg-dark: #0A0908;
  --color-bg-light: #F5F2ED;
  --color-bg-card: #FFFFFF;
  --color-text-dark: #E8E2D5;
  --color-text-light: #1A1814;
  --color-text-muted: #6B6560;
  --color-accent: #B8783A;
  --color-accent-hover: #D4A155;
  --color-border: #E0DBD3;
  --color-border-dark: rgba(232, 226, 213, 0.12);

  /* Fonts */
  --font-serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans: 'Manrope', -apple-system, sans-serif;

  /* Layout */
  --container-max: 1100px;
  --content-max: 800px;
  --gutter: 24px;
  --radius: 8px;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-light);
  background-color: var(--color-bg-light);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

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

/* ============================================
   Typography
   ============================================ */

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

/* ============================================
   Layout
   ============================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

/* ============================================
   Header
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px var(--gutter);
}

.header__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  line-height: 1.1;
  gap: 4px;
}

.header__logo-name {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  border-bottom: 1px solid rgba(232, 226, 213, 0.3);
  padding-bottom: 3px;
}

.header__logo-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 8px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  opacity: 0.5;
}

.header__nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.header__nav a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-dark);
  opacity: 0.7;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.header__nav a:hover {
  opacity: 1;
  color: var(--color-text-dark);
}

/* Mobile menu */
.header__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__menu-btn span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text-dark);
  margin: 4px 0;
  transition: 0.2s;
}

/* ============================================
   Hero (Main page)
   ============================================ */

.hero {
  background: var(--color-bg-dark);
  color: var(--color-text-dark);
  padding: 80px 0 64px;
  text-align: center;
}

.hero__brand {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(12px, 2vw, 15px);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 12px;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--color-text-dark);
}

.hero__subtitle {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  opacity: 0.6;
  margin-bottom: 40px;
  font-style: italic;
}

.hero__text {
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.7;
  opacity: 0.75;
}

/* ============================================
   Collections Grid (Main page)
   ============================================ */

.collections {
  padding: 64px 0 48px;
}

.collections__heading {
  text-align: center;
  margin-bottom: 48px;
  color: var(--color-text-light);
}

.collections__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.collection-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-dark);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.collection-card__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(184, 120, 58, 0.2), rgba(10, 9, 8, 0.85));
}

.collection-card__content {
  position: relative;
  z-index: 1;
  padding: 32px 24px 24px;
}

.collection-card__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  line-height: 1.2;
}

.collection-card__desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--color-text-dark);
  opacity: 0.65;
  margin-bottom: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.collection-card__count {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* 3+2 layout */
.collection-card:nth-child(4),
.collection-card:nth-child(5) {
  /* stay in the grid naturally */
}

/* ============================================
   How It Works
   ============================================ */

.how-it-works {
  padding: 48px 0 64px;
  border-top: 1px solid var(--color-border);
}

.how-it-works__heading {
  text-align: center;
  margin-bottom: 48px;
}

.how-it-works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.how-it-works__step {
  text-align: center;
}

.how-it-works__step-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: 16px;
  line-height: 1;
}

.how-it-works__step-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 12px;
}

.how-it-works__step-text {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.how-it-works__step-note {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-accent);
  font-style: italic;
}

/* ============================================
   Collection Page
   ============================================ */

.breadcrumbs {
  padding: 20px 0;
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 300;
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

.breadcrumbs a:hover {
  color: var(--color-accent);
}

.breadcrumbs__sep {
  margin: 0 8px;
  opacity: 0.4;
}

.collection-header {
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.collection-header__title {
  margin-bottom: 16px;
}

.collection-header__lead {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 700px;
}

/* Perfume preview card (in collection) */
.perfume-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-bottom: 48px;
}

.perfume-preview {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.perfume-preview:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  color: inherit;
}

.perfume-preview__photo {
  width: 180px;
  height: 180px;
  object-fit: contain;
  border-radius: 4px;
  background: var(--color-bg-light);
}

.perfume-preview__info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.perfume-preview__brand {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.perfume-preview__name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
}

.perfume-preview__concentration {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 300;
}

.perfume-preview__desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 4px;
}

.perfume-preview__notes {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 300;
  margin-top: 4px;
}

.perfume-preview__notes strong {
  font-weight: 400;
  color: var(--color-text-light);
}

.perfume-preview__arrow {
  font-size: 24px;
  color: var(--color-accent);
  opacity: 0.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
  padding: 0 8px;
}

.perfume-preview:hover .perfume-preview__arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* Bottom CTA in collection */
.collection-bottom {
  text-align: center;
  padding: 40px 0 64px;
  border-top: 1px solid var(--color-border);
}

.collection-bottom__text {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================
   Perfume Detail Page
   ============================================ */

.perfume-detail {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  padding: 32px 0 64px;
  align-items: start;
}

.perfume-detail__photo-wrap {
  position: sticky;
  top: 100px;
}

.perfume-detail__photo {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 24px;
}

.perfume-detail__brand {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.perfume-detail__name {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 8px;
}

.perfume-detail__meta {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 300;
  margin-bottom: 32px;
}

/* Notes pyramid */
.notes-pyramid {
  margin-bottom: 32px;
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.notes-pyramid__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 16px;
  font-weight: 400;
}

.notes-pyramid__row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  align-items: baseline;
}

.notes-pyramid__row:last-child {
  margin-bottom: 0;
}

.notes-pyramid__label {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  min-width: 120px;
  flex-shrink: 0;
}

.notes-pyramid__values {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-light);
}

/* Description */
.perfume-description {
  margin-bottom: 32px;
}

.perfume-description p {
  margin-bottom: 16px;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
}

.perfume-description p:last-child {
  margin-bottom: 0;
}

/* Where to buy (placeholder) */
.where-to-buy {
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 32px;
}

.where-to-buy__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 12px;
  font-weight: 400;
}

.where-to-buy__text {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Related collections */
.related-collections {
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.related-collections__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 16px;
  font-weight: 400;
}

.related-collections__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-collections__link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 300;
}

.related-collections__link::before {
  content: "\2192";
  color: var(--color-accent);
}

/* ============================================
   About Page
   ============================================ */

.about {
  padding: 48px 0 64px;
}

.about__section {
  margin-bottom: 40px;
}

.about__section:last-child {
  margin-bottom: 0;
}

.about__heading {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.about__text {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.about__text a {
  font-weight: 400;
}

.about__contacts {
  list-style: none;
  margin-top: 16px;
}

.about__contacts li {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-dark);
  padding: 40px 0;
  border-top: 1px solid var(--color-border-dark);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  gap: 40px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__brand-name {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  opacity: 0.8;
}

.footer__copy {
  font-size: 12px;
  font-weight: 300;
  opacity: 0.4;
}

.footer__links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer__links a {
  font-size: 12px;
  font-weight: 300;
  color: var(--color-text-dark);
  opacity: 0.5;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.footer__links a:hover {
  opacity: 0.9;
}

.footer__disclaimer {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-dark);
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.footer__disclaimer-text {
  font-size: 11px;
  font-weight: 300;
  opacity: 0.3;
  line-height: 1.5;
}

/* ============================================
   Responsive: Tablet
   ============================================ */

@media (max-width: 900px) {
  .collections__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .perfume-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .perfume-detail__photo-wrap {
    position: static;
    text-align: center;
  }

  .perfume-detail__photo {
    max-width: 300px;
    margin: 0 auto;
  }

  .perfume-preview {
    grid-template-columns: 140px 1fr auto;
  }

  .perfume-preview__photo {
    width: 140px;
    height: 140px;
  }
}

/* ============================================
   Responsive: Mobile (375px target)
   ============================================ */

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  .header__nav {
    display: none;
  }

  .header__menu-btn {
    display: block;
  }

  .header--nav-open .header__nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-dark);
    padding: 16px var(--gutter) 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border-dark);
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .collections {
    padding: 40px 0 32px;
  }

  .collections__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .collection-card {
    min-height: 200px;
  }

  .how-it-works__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .perfume-preview {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
  }

  .perfume-preview__photo {
    width: 160px;
    height: 160px;
    margin: 0 auto;
  }

  .perfume-preview__arrow {
    display: none;
  }

  .perfume-detail {
    gap: 24px;
  }

  .perfume-detail__photo {
    max-width: 240px;
  }

  .notes-pyramid__row {
    flex-direction: column;
    gap: 4px;
  }

  .notes-pyramid__label {
    min-width: auto;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   Accessibility
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 8px 16px;
  background: var(--color-accent);
  color: #fff;
  font-size: 14px;
  z-index: 200;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   Placeholder image (when no photo available)
   ============================================ */

.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F5F2ED, #E8E2D5);
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
}