/* ========================================
   POST(DOT)SERVICE — Main Stylesheet
   Monochrome / Minimal / Post-modern
   ======================================== */

/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* === CSS RESET === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, 'system-ui', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--foreground);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
  /* Semantic Colors */
  --background: #ffffff;
  --foreground: #1a1a1a;
  --secondary: #f5f5f5;
  --muted-foreground: #737373;
  --border: #e5e5e5;
  --primary: #000000;
  --primary-foreground: #ffffff;

  /* Fluid Type Scale */
  --text-hero: clamp(2.5rem, 7vw, 6rem);
  --text-h1: clamp(2.25rem, 5vw, 4rem);
  --text-h2: clamp(1.75rem, 4vw, 3rem);
  --text-h3: clamp(1.25rem, 2vw, 1.5rem);
  --text-body: 1rem;
  --text-small: 0.75rem;
  --text-micro: 0.625rem;

  /* Transitions */
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   TYPOGRAPHY CLASSES
   ======================================== */
.text-hero {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.text-display {
  font-size: var(--text-h1);
  font-weight: 500;
  line-height: 1.1;
}

.text-heading {
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: 1.2;
}

.text-subheading {
  font-size: var(--text-h3);
  font-weight: 500;
  line-height: 1.3;
}

.text-body {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
}

.text-micro {
  font-size: var(--text-micro);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

/* ========================================
   LAYOUT UTILITIES
   ======================================== */
.container-wide {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.section-padding {
  padding: 4rem 1rem;
}

@media (min-width: 768px) {
  .container-wide {
    padding: 0 2rem;
  }
  .section-padding {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding: 8rem 4rem;
  }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-family: inherit;
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn-full {
  width: 100%;
}

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--primary);
  z-index: 100;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  background: transparent;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-content {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 2rem;
}

@media (min-width: 1024px) {
  .header-content {
    padding: 24px 3rem;
  }
}

.logo {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.4px;
  color: var(--foreground);
  text-decoration: none;
}

.nav-links {
  display: none;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--foreground);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-links a:hover {
  color: var(--muted-foreground);
}

/* nav-links hidden — menu only via hamburger overlay */

.hamburger-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger-menu span {
  display: block;
  height: 2px;
  background: var(--foreground);
  transition: width var(--transition-base);
}

.hamburger-menu span:nth-child(1) {
  width: 24px;
}

.hamburger-menu span:nth-child(2) {
  width: 18px;
}

.hamburger-menu span:nth-child(3) {
  width: 24px;
}

/* hamburger always visible — no hide on desktop */

/* ========================================
   HERO SECTION
   ======================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--background);
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease;
  pointer-events: none;
}

.hero-video-wrapper.visible {
  opacity: 1;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  filter: grayscale(1) contrast(1.5);
}

.hero-content {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 6rem 1.5rem 2rem;
}

@media (min-width: 768px) {
  .hero-content {
    padding: 6rem 3rem 2rem;
  }
}

@media (min-width: 1024px) {
  .hero-content {
    padding: 6rem 5rem 2rem;
  }
}

.hero-keywords {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-top: 32px;
}

.keyword {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.hero-title-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-align: right;
  color: var(--foreground);
}

.dot-inverted {
  display: inline;
  background: var(--foreground);
  color: var(--background);
  padding: 0 4px;
}

.hero-description-wrapper {
  max-width: 56rem;
  margin: 0 auto 3rem;
}

.hero-description {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.8;
  text-transform: uppercase;
  color: var(--muted-foreground);
  text-align: center;
}

@media (min-width: 768px) {
  .hero-description {
    text-align: justify;
  }
}

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

.tagline-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .tagline-row {
    padding: 0 2rem;
  }
}

.tagline-group {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

@media (min-width: 768px) {
  .tagline-group {
    gap: 16px;
  }
}

.char-xl {
  font-size: clamp(1.875rem, 5vw, 3.75rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1;
}

.char-lg {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1;
}

.ty-up {
  transform: translateY(4px);
}

.ty-down {
  transform: translateY(-2px);
}

.indent-1 {
  margin-left: 2rem;
}

.indent-2 {
  margin-right: 3rem;
}

.indent-3 {
  margin-left: 4rem;
}

@media (min-width: 768px) {
  .indent-1 {
    margin-left: 4rem;
  }
  .indent-2 {
    margin-right: 6rem;
  }
  .indent-3 {
    margin-left: 8rem;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 10;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  outline: none;
}

.scroll-text {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.scroll-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bounce-y 1.5s ease-in-out infinite;
  color: var(--muted-foreground);
}

@keyframes bounce-y {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

/* ========================================
   PRODUCT GALLERY SECTION
   ======================================== */
.product-section {
  position: relative;
  overflow: hidden;
  padding: 4rem 1rem;
}

@media (min-width: 768px) {
  .product-section {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .product-section {
    padding: 8rem 4rem;
  }
}

.product-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.product-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.4);
}

.mute-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 20;
  padding: 12px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.mute-btn:hover {
  background: #ffffff;
}

/* About section mute button — dark bg variant */
.about-mute-btn {
  background: rgba(0, 0, 0, 0.4);
  color: rgba(255, 255, 255, 0.9);
}

.about-mute-btn:hover {
  background: rgba(0, 0, 0, 0.65);
}

.product-header {
  margin-bottom: 3rem;
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .product-header {
    margin-bottom: 4rem;
  }
}

.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  position: relative;
  z-index: 10;
}

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

@media (min-width: 768px) {
  .gallery-grid {
    gap: 1.5rem;
  }
}

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

.gallery-item {
  overflow: hidden;
  cursor: pointer;
}

.gallery-img-wrapper {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--secondary);
  overflow: hidden;
}

.gallery-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease-out;
}

.gallery-item:hover .gallery-img-wrapper img {
  transform: scale(1.05);
}

.gallery-img-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background var(--transition-base);
}

.gallery-item:hover .gallery-img-overlay {
  background: rgba(0, 0, 0, 0.05);
}

.gallery-img-overlay span {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition-base);
  color: rgba(26, 26, 26, 0.8);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gallery-item:hover .gallery-img-overlay span {
  opacity: 1;
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-base);
}

.lightbox-close:hover {
  opacity: 0.6;
}

@media (min-width: 768px) {
  .lightbox-close {
    top: 32px;
    right: 32px;
  }
}

.lightbox-content {
  max-width: 64rem;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

.lightbox-content img {
  max-height: 75vh;
  width: auto;
  object-fit: contain;
}

.lightbox-caption {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-top: 24px;
  text-align: center;
}

/* ========================================
   SPECIFICATION SECTION
   ======================================== */
.specification-section {
  padding: 4rem 1rem;
  background: var(--secondary);
}

@media (min-width: 768px) {
  .specification-section {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .specification-section {
    padding: 8rem 4rem;
  }
}

.spec-grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .spec-grid-layout {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
  }
}

.spec-viewer-column {
  position: relative;
}

@media (min-width: 1024px) {
  .spec-viewer-column {
    position: sticky;
    top: 96px;
  }
}

.module-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--background);
  margin-bottom: 16px;
  width: fit-content;
}

.module-btn {
  padding: 8px 16px;
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
  border-radius: 0;
}

.module-btn.active {
  background: var(--foreground);
  color: var(--background);
}

.module-btn:not(.active) {
  background: transparent;
  color: var(--muted-foreground);
}

.module-btn:not(.active):hover {
  color: var(--foreground);
}

.viewer-3d {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--background);
  overflow: hidden;
}

#canvas3d {
  width: 100%;
  height: 100%;
  display: block;
}

.drag-hint {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 9999px;
  transition: opacity 0.3s;
}

.drag-hint.hidden {
  opacity: 0;
  pointer-events: none;
}

.drag-hint span {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.viewer-status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
}

/* Spec Info Column */
.spec-label-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.lang-toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}

.lang-toggle-pill:hover {
  background: var(--foreground);
  color: var(--background);
}

/* Dark section overrides */
.about-section .lang-toggle-pill {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
}

.about-section .lang-toggle-pill:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.globe-icon {
  flex-shrink: 0;
}

.spec-title {
  font-size: var(--text-h1);
  font-weight: 500;
  line-height: 1.1;
  margin-top: 8px;
  margin-bottom: 24px;
}

.spec-descriptions {
  margin-bottom: 32px;
}

.spec-desc {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--muted-foreground);
  margin-bottom: 16px;
  max-width: 28rem;
}

.spec-features {
  margin-bottom: 32px;
}

.spec-features > .text-micro {
  display: block;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--foreground);
  border-radius: 50%;
  margin-top: 10px;
  flex-shrink: 0;
}

.spec-table {
  margin-bottom: 32px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.spec-table > .text-micro {
  display: block;
  margin-bottom: 16px;
}

.spec-rows {
  display: flex;
  flex-direction: column;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.spec-row-label {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.spec-row-value {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  text-align: right;
  max-width: 60%;
}

.spec-price {
  margin-bottom: 32px;
}

.spec-price > .text-micro {
  display: block;
  margin-bottom: 4px;
}

.price-value {
  font-size: var(--text-h3);
  font-weight: 500;
  line-height: 1.3;
  display: block;
}

.price-note {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-top: 8px;
  display: block;
}

/* ========================================
   EXPERIENCE SECTION
   ======================================== */
.experience-section {
  padding: 4rem 1rem;
  background: var(--background);
}

@media (min-width: 768px) {
  .experience-section {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .experience-section {
    padding: 8rem 4rem;
  }
}

.experience-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .experience-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 4rem;
  }
}

.experience-header-left {
  max-width: 42rem;
}

.experience-label-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.content-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--secondary);
}

.switch-btn {
  padding: 8px 16px;
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
  border-radius: 0;
}

.switch-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.switch-btn:not(.active) {
  background: transparent;
  color: var(--muted-foreground);
}

.switch-btn:not(.active):hover {
  color: var(--foreground);
}

.experience-container {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--secondary);
  overflow: hidden;
}

.experience-pane {
  position: absolute;
  inset: 0;
  display: none;
}

.experience-pane.active {
  display: block;
}

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

.experience-film-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000000;
}

.experience-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.exp-ctrl-btn {
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.exp-ctrl-btn:hover {
  background: #ffffff;
}

.film-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.film-nav-btn:hover {
  background: #ffffff;
}

.film-nav-prev {
  left: 16px;
}

.film-nav-next {
  right: 16px;
}

.content-dots {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.15);
  transition: background var(--transition-base);
  cursor: pointer;
}

.dot.active {
  background: var(--primary);
}

.experience-desc-area {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

/* ========================================
   FULLSCREEN MODAL
   ======================================== */
.fullscreen-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #000000;
  display: none;
}

.fullscreen-modal.active {
  display: block;
}

.fullscreen-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.fullscreen-content {
  width: 100%;
  height: 100%;
}

.fullscreen-content iframe,
.fullscreen-content video {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
}

.fullscreen-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-section {
  position: relative;
  overflow: hidden;
  padding: 4rem 1rem;
  background: var(--foreground);
}

@media (min-width: 768px) {
  .about-section {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .about-section {
    padding: 8rem 4rem;
  }
}

/* Background video */
.about-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  filter: grayscale(0.2);
}

.about-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
}

/* Text layout — centered */
.about-label-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 8px;
}

.about-section h2 {
  text-align: center;
  color: #ffffff;
  margin-bottom: 2rem;
}

.about-text {
  margin: 0 auto 5rem;
  max-width: 48rem;
  text-align: center;
}

.about-text p {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 24px;
}

.about-section .text-micro {
  color: rgba(255, 255, 255, 0.5);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .about-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.3s var(--transition-base);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-heading {
  font-size: var(--text-h3);
  font-weight: 500;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 16px;
}

.feature-subtext {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
  padding: 4rem 1rem;
  background: var(--background);
}

@media (min-width: 768px) {
  .contact-section {
    padding: 6rem 2rem;
  }
}

@media (min-width: 1024px) {
  .contact-section {
    padding: 8rem 4rem;
  }
}

.contact-section .text-micro {
  display: block;
  margin-bottom: 8px;
}

.contact-section .text-heading {
  margin-bottom: 3rem;
}

.contact-form {
  margin-bottom: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 0;
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  color: var(--foreground);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  transition: border-color var(--transition-base);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted-foreground);
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--foreground);
}

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

.contact-email {
  display: block;
  text-align: center;
  font-size: 16px;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--transition-base);
  margin-top: 16px;
  margin-bottom: 24px;
}

.contact-email:hover {
  color: var(--foreground);
}

.contact-social {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.contact-social a {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact-social a:hover {
  color: var(--foreground);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: 3rem 1rem;
  background: var(--background);
  border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
  .footer {
    padding: 3rem 4rem;
  }
}

.footer-content {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0;
  }
}

.footer-copyright {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.footer-links a {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--foreground);
}

/* ========================================
   UTILITY / SHARED
   ======================================== */

/* Section header shared pattern */
.section-label {
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  display: block;
  margin-bottom: 8px;
}

/* Divider line accent */
.label-line {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--muted-foreground);
  vertical-align: middle;
}

/* Hide scrollbar utility */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Visually hidden (accessibility) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   MOBILE NAVIGATION OVERLAY
   ======================================== */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 49;
  background: var(--background);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: 1.2;
  color: var(--foreground);
  text-decoration: none;
  transition: color var(--transition-base);
}

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