/* ========================================
   Technical Roof Services — Design Tokens & Styles
   Art Direction: Patriotic, Authoritative, Professional
   Palette: Navy blue, rich red, clean white
   ======================================== */

:root,
[data-theme='light'] {
  /* 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 (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;

  /* Surfaces — Clean white */
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #fafbfc;
  --color-surface-offset: #edf0f4;
  --color-divider: #d0d5dd;
  --color-border: #c2c8d2;

  /* Text — Deep navy */
  --color-text: #0d1b2a;
  --color-text-muted: #4a5568;
  --color-text-faint: #8895a7;
  --color-text-inverse: #f8f9fa;

  /* Primary — Navy Blue */
  --color-primary: #1b2a4a;
  --color-primary-hover: #142240;
  --color-primary-active: #0e1a33;
  --color-primary-light: #e6ecf5;

  /* Accent — Rich Red (CTA / highlight) */
  --color-accent: #b91c1c;
  --color-accent-hover: #991b1b;
  --color-accent-light: #fee2e2;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

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

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Arial', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0a0f1a;
  --color-surface: #111827;
  --color-surface-2: #1a2236;
  --color-surface-offset: #151d2e;
  --color-divider: #283348;
  --color-border: #334155;
  --color-text: #d1d5db;
  --color-text-muted: #8891a0;
  --color-text-faint: #5f6876;
  --color-text-inverse: #0d1b2a;
  --color-primary: #6b9fd4;
  --color-primary-hover: #85b3e0;
  --color-primary-active: #5589be;
  --color-primary-light: #172438;
  --color-accent: #ef4444;
  --color-accent-hover: #f87171;
  --color-accent-light: #2a1010;
  --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: #0a0f1a;
    --color-surface: #111827;
    --color-surface-2: #1a2236;
    --color-surface-offset: #151d2e;
    --color-divider: #283348;
    --color-border: #334155;
    --color-text: #d1d5db;
    --color-text-muted: #8891a0;
    --color-text-faint: #5f6876;
    --color-text-inverse: #0d1b2a;
    --color-primary: #6b9fd4;
    --color-primary-hover: #85b3e0;
    --color-primary-active: #5589be;
    --color-primary-light: #172438;
    --color-accent: #ef4444;
    --color-accent-hover: #f87171;
    --color-accent-light: #2a1010;
    --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-inline: auto;
  padding-inline: var(--space-6);
}

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

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

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

.header__logo svg {
  height: auto;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-text);
  background: var(--color-primary-light);
}

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

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}

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

/* Mobile Menu */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 73px;
  z-index: 40;
  background: var(--color-bg);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
}

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

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

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

@media (max-width: 860px) {
  .header__nav,
  .header__actions .theme-toggle {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #0a1628;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,22,40,0.15) 0%, rgba(10,22,40,0.3) 40%, rgba(10,22,40,0.85) 70%, rgba(10,22,40,0.95) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-xl);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
  border: 1px solid rgba(255,255,255,0.2);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
  max-width: 700px;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-interactive);
}

.hero__cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero__stat {
  color: #fff;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  display: block;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ========================================
   Services Section
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-interactive);
  cursor: default;
  border-top: 3px solid var(--color-accent);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

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

.service-card__details {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.service-card__details li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.5;
}

.service-card__details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-header__label::before,
.section-header__label::after {
  content: '\2014';
  margin: 0 0.5em;
  opacity: 0.3;
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-header__desc {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ========================================
   About Section
   ======================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about__text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

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

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

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

.about__highlight svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}

.about__highlight-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.about__highlight-text strong {
  color: var(--color-text);
  display: block;
  margin-bottom: 2px;
}

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

/* ========================================
   Projects Section
   ======================================== */

.projects-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.project-tab {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.project-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.project-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.project-panel {
  display: none;
}

.project-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.project-panel__desc {
  text-align: center;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

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

.project-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-gallery__item:hover img {
  transform: scale(1.05);
}

/* ========================================
   Loadmaster Section
   ======================================== */

.loadmaster-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.loadmaster__video {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #000;
}

.loadmaster__video iframe,
.loadmaster__video video {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: #000;
}

.loadmaster__photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.loadmaster__photos img {
  border-radius: var(--radius-sm);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.loadmaster__photos img:hover {
  transform: scale(1.03);
}

@media (max-width: 768px) {
  .loadmaster-content {
    grid-template-columns: 1fr;
  }
  .loadmaster__photos {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   Contact Section
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
}

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

.contact-info__block {
  display: flex;
  gap: var(--space-4);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
}

.contact-info__value a {
  color: var(--color-primary);
  text-decoration: none;
}

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

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

.contact-form__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

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

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

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

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

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  transition: all var(--transition-interactive);
}

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

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

/* ========================================
   Team / Personnel
   ======================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

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

.team-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.team-card__contact {
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.team-card__contact a {
  color: var(--color-primary);
  text-decoration: none;
}

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

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

.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.8);
  padding: var(--space-12) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.footer__brand p {
  font-size: var(--text-sm);
  max-width: 360px;
  line-height: 1.7;
  margin-top: var(--space-4);
  color: rgba(255,255,255,0.6);
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
  .hero__stats {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ========================================
   Lightbox
   ======================================== */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox__image-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(100vw - 160px);
  height: calc(100vh - 100px);
  max-width: 1200px;
}

.lightbox__image-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: opacity 0.15s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.08);
  transition: all var(--transition-interactive);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  transition: all var(--transition-interactive);
}

.lightbox__arrow:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
  transform: translateY(-50%) scale(1.05);
}

.lightbox__arrow--left {
  left: var(--space-4);
}

.lightbox__arrow--right {
  right: var(--space-4);
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.4);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-xl);
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .lightbox__image-wrap {
    width: calc(100vw - 24px);
    height: calc(100vh - 80px);
  }
  .lightbox__arrow {
    width: 42px;
    height: 42px;
  }
  .lightbox__arrow--left {
    left: var(--space-2);
  }
  .lightbox__arrow--right {
    right: var(--space-2);
  }
}

/* ========================================
   Page sections visibility
   ======================================== */

.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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