/* Art direction: B2B Construction materials supplier → authoritative, industrial, trustworthy
   Palette: dark navy + brand blue accent (АРТИС corporate identity)
   Typography: Inter (body) + Inter (headings, weight contrast)
   Density: balanced — professional, not dense, generous whitespace */

/* ============ 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);

  /* 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;

  /* Fonts */
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* 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%;
}

/* ============ LIGHT MODE (Default) ============ */
:root, [data-theme="light"] {
  --color-bg:             #f5f5f3;
  --color-surface:        #ffffff;
  --color-surface-2:      #fafaf8;
  --color-surface-offset: #eeeee9;
  --color-surface-offset-2: #e5e5e0;
  --color-surface-dynamic: #d9d9d4;
  --color-divider:        #d0d0ca;
  --color-border:         #c4c4be;

  --color-text:           #1a1a2e;
  --color-text-muted:     #5c5c6e;
  --color-text-faint:     #9e9ea8;
  --color-text-inverse:   #ffffff;

  /* Primary — dark navy blue */
  --color-primary:        #1a1a2e;
  --color-primary-hover:  #2d2d4a;
  --color-primary-active: #0e0e1f;
  --color-primary-highlight: #dddde5;

  /* Accent — АРТИС brand blue */
  --color-accent:         #1976D2;
  --color-accent-hover:   #1565C0;
  --color-accent-active:  #0D47A1;
  --color-accent-highlight: #E3F2FD;

  /* Success */
  --color-success:        #2a7d3f;
  --color-success-highlight: #d4f0dc;

  /* Shadows */
  --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:             #0f0f1a;
  --color-surface:        #161625;
  --color-surface-2:      #1c1c2e;
  --color-surface-offset: #1a1a2e;
  --color-surface-offset-2: #222238;
  --color-surface-dynamic: #2a2a42;
  --color-divider:        #2e2e48;
  --color-border:         #3a3a55;

  --color-text:           #e0e0e8;
  --color-text-muted:     #9898aa;
  --color-text-faint:     #6a6a80;
  --color-text-inverse:   #0f0f1a;

  --color-primary:        #8888cc;
  --color-primary-hover:  #aaaadd;
  --color-primary-active: #6666aa;
  --color-primary-highlight: #2a2a44;

  --color-accent:         #42A5F5;
  --color-accent-hover:   #64B5F6;
  --color-accent-active:  #2196F3;
  --color-accent-highlight: #1a2a3d;

  --color-success:        #4db869;
  --color-success-highlight: #1a3322;

  --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:             #0f0f1a;
    --color-surface:        #161625;
    --color-surface-2:      #1c1c2e;
    --color-surface-offset: #1a1a2e;
    --color-surface-offset-2: #222238;
    --color-surface-dynamic: #2a2a42;
    --color-divider:        #2e2e48;
    --color-border:         #3a3a55;
    --color-text:           #e0e0e8;
    --color-text-muted:     #9898aa;
    --color-text-faint:     #6a6a80;
    --color-text-inverse:   #0f0f1a;
    --color-primary:        #8888cc;
    --color-primary-hover:  #aaaadd;
    --color-primary-active: #6666aa;
    --color-primary-highlight: #2a2a44;
    --color-accent:         #42A5F5;
    --color-accent-hover:   #64B5F6;
    --color-accent-active:  #2196F3;
    --color-accent-highlight: #1a2a3d;
    --color-success:        #4db869;
    --color-success-highlight: #1a3322;
    --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);
  }
}

/* ============ LAYOUT ============ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

/* ============ 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: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              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-4);
  gap: var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.header__logo-img {
  height: 44px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.footer__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.header__logo-text {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header__logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  display: block;
  line-height: 1.2;
}

/* Desktop nav */
.nav { display: flex; align-items: center; gap: var(--space-6); }
.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-2) 0;
  position: relative;
}
.nav__link:hover,
.nav__link--active { color: var(--color-text); }
.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.header__phone svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

/* Mobile menu */
.mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.mobile-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--color-surface);
  z-index: 999;
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  max-height: calc(100vh - 69px);
  border-top: 2px solid var(--color-accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.mobile-nav.active { display: flex; }

.mobile-nav__link {
  font-size: clamp(1.125rem, 1rem + 0.75vw, 1.375rem);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  transition: background var(--transition-interactive), color var(--transition-interactive);
  letter-spacing: 0.01em;
}

.mobile-nav__link:hover,
.mobile-nav__link:active {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}

.mobile-nav__phone {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-size: clamp(1.125rem, 1rem + 0.75vw, 1.375rem);
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  padding: var(--space-4) var(--space-3);
  background: var(--color-accent-highlight);
  border-radius: var(--radius-md);
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header__phone { display: none; }
  .mobile-toggle { display: flex; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(15,15,26,0.85) 0%,
    rgba(15,15,26,0.6) 50%,
    rgba(15,15,26,0.4) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-block: var(--space-16);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(25,118,210,0.2);
  color: #64B5F6;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid rgba(25,118,210,0.35);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero__title span { color: var(--color-accent); }

.hero__text {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-8);
  max-width: 560px;
}

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

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 44px;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.3);
}
.btn--secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text-muted);
}

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

.btn svg { width: 18px; height: 18px; }

/* ============ CATEGORIES GRID ============ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.category-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.category-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-card:hover .category-card__img img {
  transform: scale(1.05);
}

.category-card__body {
  padding: var(--space-4) var(--space-5);
}

.category-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

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

.category-card__arrow {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--transition-interactive), transform var(--transition-interactive);
}

[data-theme="dark"] .category-card__arrow {
  background: rgba(22,22,37,0.9);
  color: var(--color-text);
}

.category-card:hover .category-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============ HOW WE WORK ============ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
  counter-reset: step;
}

.step {
  counter-increment: step;
  position: relative;
  padding-top: var(--space-8);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
}

.step__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

/* ============ ADVANTAGES ============ */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.advantage {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
}

.advantage__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  color: var(--color-accent);
}

.advantage__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

/* ============ LEAD FORM ============ */
.lead-section {
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-16));
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-4);
  align-items: end;
}

@media (max-width: 640px) {
  .lead-form { grid-template-columns: 1fr; }
}

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-highlight);
}

/* ============ SECTION HEADERS ============ */
.section-header {
  margin-bottom: var(--space-10);
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-size: var(--text-xl);
  font-weight: 800;
}

.section-header__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 600px;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-16) var(--space-8);
}

[data-theme="dark"] .footer {
  background: var(--color-surface);
  color: var(--color-text);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

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

.footer__brand-desc {
  font-size: var(--text-sm);
  opacity: 0.7;
  margin-top: var(--space-4);
  line-height: 1.7;
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.5;
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: inherit;
  text-decoration: none;
  opacity: 0.7;
}
.footer__links a:hover { opacity: 1; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  opacity: 0.5;
}

[data-theme="dark"] .footer__bottom {
  border-color: var(--color-divider);
}

.footer__bottom a {
  color: inherit;
  text-decoration: none;
}
.footer__bottom a:hover { opacity: 1; text-decoration: underline; }

/* ============ ABOUT PAGE ============ */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (max-width: 768px) {
  .about-hero { grid-template-columns: 1fr; }
}

.about-hero__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.about-hero__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

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

.stat__number {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-accent);
  display: block;
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* ============ DELIVERY PAGE ============ */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.info-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.info-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

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

.info-card__list {
  list-style: none;
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.info-card__list li::before {
  content: '→ ';
  color: var(--color-accent);
  font-weight: 600;
}

/* ============ CONTACTS PAGE ============ */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
}

@media (max-width: 768px) {
  .contacts-grid { grid-template-columns: 1fr; }
}

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

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-item__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-accent-highlight);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-item__icon svg { width: 20px; height: 20px; }

.contact-item__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-size: var(--text-base);
  font-weight: 600;
}

.contact-item__value a {
  color: var(--color-text);
  text-decoration: none;
}
.contact-item__value a:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.contact-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

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

.contact-form textarea {
  width: 100%;
  resize: vertical;
  min-height: 100px;
}

/* ============ MAP PLACEHOLDER ============ */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-divider);
  margin-top: var(--space-10);
  height: 400px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============ BREADCRUMBS ============ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-block: var(--space-4);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--color-text); }
.breadcrumbs__sep { opacity: 0.5; }

/* ============ SEO TEXT ============ */
.seo-text {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
}

.seo-text h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.seo-text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.seo-text p:last-child { margin-bottom: 0; }

/* ============ PAGE HERO (interior pages) ============ */
.page-hero {
  background: var(--color-surface-offset);
  padding-block: var(--space-12);
}

.page-hero__title {
  font-size: var(--text-xl);
  font-weight: 800;
}

.page-hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ============ SCROLL REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============ CATALOG PAGE SPECIFIC ============ */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-8);
}

.catalog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.catalog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.catalog-card:hover .catalog-card__img img { transform: scale(1.05); }

.catalog-card__body { padding: var(--space-6); }
.catalog-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.catalog-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}
.catalog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}
.catalog-card__link svg { width: 16px; height: 16px; }

/* ============ ABOUT CONTENT ============ */
.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

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

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

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

.value-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.value-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

/* Consent checkbox */
.form-consent { margin-top: var(--space-3); margin-bottom: var(--space-4); }
.consent-label { display: flex; align-items: flex-start; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-secondary); cursor: pointer; line-height: 1.4; }
.consent-label input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; accent-color: var(--color-primary); }
.consent-label a { color: var(--color-primary); text-decoration: underline; }