/* ===== STRATUM OPTICS — Custom Palette ===== */
/* Dark, authoritative, precision-engineering feel.
   Navy/slate foundation with teal accent (matching the logo). */

: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: 'Switzer', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ===== LIGHT MODE (default) ===== */
:root, [data-theme="light"] {
  --color-bg:             #f5f6f8;
  --color-surface:        #ffffff;
  --color-surface-2:      #f0f2f5;
  --color-surface-offset: #e8eaef;
  --color-divider:        #d3d7df;
  --color-border:         #c5c9d3;

  --color-text:           #1a1e2e;
  --color-text-muted:     #5a6178;
  --color-text-faint:     #9098ad;
  --color-text-inverse:   #f5f6f8;

  /* Primary — deep teal from logo */
  --color-primary:        #0a6e73;
  --color-primary-hover:  #085458;
  --color-primary-active: #063d40;
  --color-primary-light:  #e0f2f3;

  /* Navy accent */
  --color-navy:           #1a2744;
  --color-navy-light:     #2a3a5c;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.25 0.02 250 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 250 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 250 / 0.12);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:             #0d1117;
  --color-surface:        #161b22;
  --color-surface-2:      #1c2230;
  --color-surface-offset: #21273a;
  --color-divider:        #2a3248;
  --color-border:         #353e56;

  --color-text:           #c9cdd5;
  --color-text-muted:     #7d8597;
  --color-text-faint:     #4e5669;
  --color-text-inverse:   #0d1117;

  --color-primary:        #3db8bd;
  --color-primary-hover:  #2a9ea3;
  --color-primary-active: #1a8388;
  --color-primary-light:  #162d2e;

  --color-navy:           #c9cdd5;
  --color-navy-light:     #8b93a7;

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

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0d1117;
    --color-surface:        #161b22;
    --color-surface-2:      #1c2230;
    --color-surface-offset: #21273a;
    --color-divider:        #2a3248;
    --color-border:         #353e56;
    --color-text:           #c9cdd5;
    --color-text-muted:     #7d8597;
    --color-text-faint:     #4e5669;
    --color-text-inverse:   #0d1117;
    --color-primary:        #3db8bd;
    --color-primary-hover:  #2a9ea3;
    --color-primary-active: #1a8388;
    --color-primary-light:  #162d2e;
    --color-navy:           #c9cdd5;
    --color-navy-light:     #8b93a7;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  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;
  height: 72px;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .header__inner { padding-inline: var(--space-8); }
}

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

.header__logo img {
  height: 44px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.header__nav {
  display: none;
  list-style: none;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 768px) {
  .header__nav { display: flex; }
}

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

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

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

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* Mobile menu */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .mobile-toggle { display: none; }
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-8) var(--space-4);
}

.mobile-nav.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav a {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-divider);
}

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

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 72px;
}

.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,
    oklch(0.12 0.02 250 / 0.92) 0%,
    oklch(0.15 0.02 250 / 0.75) 50%,
    oklch(0.18 0.03 200 / 0.6) 100%
  );
}

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

@media (min-width: 768px) {
  .hero__content {
    padding: var(--space-24) var(--space-8);
    max-width: 720px;
    margin-inline: auto;
    margin-left: max(var(--space-8), calc((100vw - var(--content-wide)) / 2 + var(--space-8)));
  }
}

.hero__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: oklch(from var(--color-primary) l c h / 0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

[data-theme="dark"] .hero__tag,
:root:not([data-theme]) .hero__tag {
  color: #3db8bd;
  background: oklch(0.5 0.1 190 / 0.15);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  line-height: 1.08;
}

.hero__subtitle {
  font-size: var(--text-base);
  color: oklch(0.85 0 0);
  max-width: 50ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

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

/* ===== SECTION COMMON ===== */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

.section--alt {
  background: var(--color-surface-2);
}

.section__header {
  text-align: left;
  margin-bottom: var(--space-12);
}

.section__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.section__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: var(--space-3);
}

/* ===== PRODUCT CATEGORIES ===== */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

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

@media (min-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
}

.category-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.category-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.category-card__icon svg {
  width: 32px;
  height: 32px;
}

.category-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.category-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.category-card__list {
  list-style: none;
  padding: 0;
}

.category-card__list li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.04);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.category-card__list li::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 0.5em;
}

.category-card__list li:last-child {
  border-bottom: none;
}

/* ===== FEATURED IMAGE SECTIONS ===== */
.split-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .split-section { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
  .split-section--reverse .split-section__image { order: -1; }
}

.split-section__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.split-section__image img {
  width: 100%;
  height: auto;
  display: block;
}

.split-section__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.split-section__content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

/* ===== STATS ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (min-width: 640px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}

.stat {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-1);
}

/* ===== STRATEGIC ADVANTAGE / LOCATION ===== */
.location-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
}

.location-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.location-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(0.12 0.02 250 / 0.95) 0%, oklch(0.15 0.02 250 / 0.3) 100%);
}

.location-banner__content {
  position: relative;
  z-index: 1;
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .location-banner__content { padding: var(--space-12); }
}

.location-banner__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.location-banner__content p {
  font-size: var(--text-base);
  color: oklch(0.8 0 0);
  max-width: 55ch;
  line-height: 1.7;
}

.region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.region-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: oklch(1 0 0 / 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid oklch(1 0 0 / 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: #ffffff;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

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

.about-value {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.about-value h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.about-value h3 svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

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

/* ===== PRODUCTS DETAIL ===== */
.products-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .products-detail { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .products-detail { grid-template-columns: repeat(3, 1fr); }
}

.product-group {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.product-group h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.product-group h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.product-group ul {
  list-style: none;
  padding: 0;
}

.product-group ul li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.product-group ul li::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 0.55em;
}

/* ===== CONTACT ===== */
.contact-section {
  background: var(--color-navy);
  color: #ffffff;
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

[data-theme="dark"] .contact-section {
  background: var(--color-surface-2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .contact-section {
    background: var(--color-surface-2);
  }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

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

.contact-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.contact-section p {
  color: oklch(0.8 0 0);
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 48ch;
}

[data-theme="dark"] .contact-section p {
  color: var(--color-text-muted);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .contact-section p {
    color: var(--color-text-muted);
  }
}

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

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

.contact-item__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(1 0 0 / 0.1);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

[data-theme="dark"] .contact-item__icon {
  background: oklch(1 0 0 / 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .contact-item__icon {
    background: oklch(1 0 0 / 0.05);
  }
}

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

.contact-item h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.contact-item p {
  font-size: var(--text-sm);
  color: oklch(0.75 0 0);
}

[data-theme="dark"] .contact-item p {
  color: var(--color-text-muted);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .contact-item p {
    color: var(--color-text-muted);
  }
}

.contact-item a {
  color: inherit;
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

/* ===== CONTACT FORM ===== */
.contact-form-wrap {
  background: oklch(1 0 0 / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid oklch(1 0 0 / 0.1);
}

[data-theme="dark"] .contact-form-wrap {
  background: oklch(1 0 0 / 0.04);
  border-color: oklch(1 0 0 / 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .contact-form-wrap {
    background: oklch(1 0 0 / 0.04);
    border-color: oklch(1 0 0 / 0.06);
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: oklch(0.85 0 0);
}

[data-theme="dark"] .form-group label {
  color: var(--color-text-muted);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .form-group label {
    color: var(--color-text-muted);
  }
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  background: oklch(1 0 0 / 0.08);
  border: 1px solid oklch(1 0 0 / 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  background: oklch(1 0 0 / 0.05);
  border-color: oklch(1 0 0 / 0.08);
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .form-group input,
  :root:not([data-theme]) .form-group select,
  :root:not([data-theme]) .form-group textarea {
    background: oklch(1 0 0 / 0.05);
    border-color: oklch(1 0 0 / 0.08);
    color: var(--color-text);
  }
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: oklch(0.6 0 0);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.2);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2.5' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--space-8);
}

.form-group select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive);
}

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

.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: oklch(0.45 0.12 160 / 0.15);
  border-radius: var(--radius-md);
  color: #6daa45;
}

.form-success p {
  font-size: var(--text-sm);
  color: oklch(0.75 0.08 160);
  margin: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface-2);
  padding: var(--space-8) 0;
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

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

.footer__logo img {
  height: 32px;
  width: auto;
}

.footer__logo span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}

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

/* ===== SCROLL ANIMATION ===== */
.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);
}

/* ===== FULL-WIDTH IMAGE MOMENT ===== */
.image-break {
  width: 100%;
  margin: var(--space-2) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.image-break img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .image-break img { height: 360px; }
}

/* ===== PRODUCT NAV TABS ===== */
.product-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.product-nav__btn {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.product-nav__btn:hover,
.product-nav__btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* ===== PRODUCT DETAIL SECTIONS (hidden by default, toggled) ===== */
.product-tab-content {
  display: none;
}

.product-tab-content.active {
  display: grid;
}