/* ============================================
   BELT BUDDY - Blueprint Edition
   Technical Drawing / Construction Plans Aesthetic
   ============================================ */

/* === CSS Variables === */
:root {
  /* Blueprint Colors */
  --bp-dark: #0a1628;
  --bp-blue: #0d2137;
  --bp-medium: #143654;
  --bp-light: #1a4a6e;
  
  /* Ink Colors */
  --ink-white: #e8f4fc;
  --ink-cyan: #4ecdc4;
  --ink-yellow: #f7dc6f;
  --ink-orange: #f39c12;
  --ink-red: #e74c3c;
  --ink-dim: #5d7a8c;
  
  /* Grid */
  --grid-color: rgba(78, 205, 196, 0.08);
  --grid-strong: rgba(78, 205, 196, 0.15);
  
  /* Typography */
  --font-technical: 'Share Tech Mono', 'Courier New', monospace;
  --font-display: 'Oswald', 'Impact', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  
  /* Sizing */
  --max-width: 1200px;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-white);
  background-color: var(--bp-dark);
  /* Blueprint grid pattern */
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px),
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
  background-position: -1px -1px;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* === Container === */
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

h1 { font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { font-size: clamp(1.75rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

/* === Technical Label === */
.tech-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  color: var(--ink-cyan);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.tech-label::before {
  content: '◇';
  color: var(--ink-yellow);
}

/* === Dimension Line === */
.dimension-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

.dimension-line::before,
.dimension-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-cyan), transparent);
}

.dimension-line span {
  font-family: var(--font-technical);
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.15em;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-technical);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--ink-cyan);
  color: var(--bp-dark);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px dashed var(--ink-cyan);
  opacity: 0;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--ink-yellow);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink-cyan);
}

.btn-primary:hover::before {
  opacity: 1;
  inset: -8px;
}

.btn-secondary {
  background: transparent;
  color: var(--ink-cyan);
  border: 1px solid var(--ink-cyan);
}

.btn-secondary:hover {
  background: rgba(78, 205, 196, 0.1);
}

.btn-full { width: 100%; justify-content: center; }

.btn-arrow {
  width: 18px;
  height: 18px;
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-cyan);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 50px;
  height: 50px;
  border: 1px solid var(--ink-cyan);
  padding: 2px;
  position: relative;
}

.brand-logo::before,
.brand-logo::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--ink-cyan);
}

.brand-logo::before { top: -4px; left: -4px; border-right: none; border-bottom: none; }
.brand-logo::after { bottom: -4px; right: -4px; border-left: none; border-top: none; }

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

.brand-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-white);
  letter-spacing: 0.2em;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--ink-cyan);
  cursor: pointer;
}

.hamburger, .hamburger::before, .hamburger::after {
  width: 24px;
  height: 2px;
  background: var(--ink-cyan);
  position: relative;
}

.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.primary-nav a {
  display: block;
  padding: 0.5rem 1rem;
  font-family: var(--font-technical);
  font-size: 0.8rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  transition: all 0.2s ease;
  position: relative;
}

.primary-nav a::before {
  content: '[';
  margin-right: 0.25rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.primary-nav a::after {
  content: ']';
  margin-left: 0.25rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--ink-cyan);
}

.primary-nav a:hover::before,
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::before,
.primary-nav a[aria-current="page"]::after {
  opacity: 1;
}

.nav-cta {
  background: var(--ink-cyan) !important;
  color: var(--bp-dark) !important;
  margin-left: 1rem;
}

.nav-cta::before, .nav-cta::after { display: none !important; }

/* Mobile Nav */
@media (max-width: 900px) {
  .primary-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    background: var(--bp-dark);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
  }
  
  .primary-nav a {
    font-size: 1.25rem;
  }
}

@media (min-width: 901px) {
  .nav-toggle { display: none; }
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

/* Corner coordinates */
.hero::before {
  content: 'X: 0.00 Y: 0.00';
  position: absolute;
  top: 100px;
  left: 20px;
  font-family: var(--font-technical);
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}

.hero::after {
  content: 'SCALE: 1:1';
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-family: var(--font-technical);
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}

.hero-grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content {
  position: relative;
}

/* Annotation callout */
.hero-annotation {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-family: var(--font-technical);
  font-size: 0.7rem;
  color: var(--ink-yellow);
  border: 1px solid var(--ink-yellow);
  position: relative;
  margin-bottom: 2rem;
}

.hero-annotation::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -40px;
  width: 30px;
  height: 1px;
  background: var(--ink-yellow);
}

.hero-title {
  margin-bottom: 1.5rem;
  position: relative;
}

.hero-title .line1 {
  display: block;
  color: var(--ink-white);
  opacity: 0.6;
  font-size: 0.5em;
}

.hero-title .line2 {
  display: block;
  color: var(--ink-cyan);
  position: relative;
}

.hero-title .line2::after {
  content: '←— BELT BUDDY';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-technical);
  font-size: 0.6rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .hero-title .line2::after { display: none; }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--ink-dim);
  max-width: 480px;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--ink-cyan);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Spec Table */
.spec-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-cyan);
  border: 1px solid var(--ink-cyan);
  max-width: 500px;
}

.spec-cell {
  background: var(--bp-dark);
  padding: 1rem;
  text-align: center;
}

.spec-value {
  display: block;
  font-family: var(--font-technical);
  font-size: 0.8rem;
  color: var(--ink-cyan);
  margin-bottom: 0.25rem;
}

.spec-label {
  font-size: 0.65rem;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.product-frame {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--ink-cyan);
}

/* Corner brackets */
.product-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border-top: 2px solid var(--ink-cyan);
  border-left: 2px solid var(--ink-cyan);
}

.product-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 40px;
  border-bottom: 2px solid var(--ink-cyan);
  border-right: 2px solid var(--ink-cyan);
}

.frame-label {
  position: absolute;
  top: -12px;
  left: 50px;
  background: var(--bp-dark);
  padding: 0 1rem;
  font-family: var(--font-technical);
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.15em;
}

.product-image {
  width: 100%;
  height: auto;
  filter: brightness(1.1) contrast(1.05);
}

/* Floating annotations */
.annotation-point {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--ink-yellow);
  border-radius: 50%;
  background: var(--bp-dark);
  cursor: pointer;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(247, 220, 111, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(247, 220, 111, 0); }
}

.annotation-point::after {
  content: attr(data-label);
  position: absolute;
  left: 20px;
  top: -5px;
  white-space: nowrap;
  font-family: var(--font-technical);
  font-size: 0.65rem;
  color: var(--ink-yellow);
  padding: 0.25rem 0.5rem;
  background: var(--bp-dark);
  border: 1px dashed var(--ink-yellow);
}

.point-1 { top: 20%; left: 10%; }
.point-2 { top: 50%; right: 15%; }
.point-3 { bottom: 25%; left: 30%; }

.play-button {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bp-dark);
  border: 1px solid var(--ink-cyan);
  transition: all 0.3s ease;
}

.play-button:hover {
  background: var(--ink-cyan);
}

.play-button:hover .play-icon {
  border-left-color: var(--bp-dark);
}

.play-icon {
  width: 0;
  height: 0;
  border-left: 14px solid var(--ink-cyan);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 4px;
}

/* === Section Styles === */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 4rem;
  position: relative;
}

.section-header.centered {
  text-align: center;
}

.section-number {
  font-family: var(--font-technical);
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.section-header h2 {
  color: var(--ink-white);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--ink-dim);
  max-width: 600px;
  font-size: 1.05rem;
}

.section-header.centered p {
  margin-inline: auto;
}

/* === Patent Section === */
.patent-section {
  background: linear-gradient(135deg, var(--bp-blue) 0%, var(--bp-dark) 100%);
  position: relative;
  overflow: hidden;
}

.patent-section::before {
  content: 'PATENT DOCUMENTATION';
  position: absolute;
  top: 2rem;
  right: -5rem;
  font-family: var(--font-technical);
  font-size: 0.6rem;
  color: var(--ink-dim);
  letter-spacing: 0.3em;
  transform: rotate(90deg);
}

.patent-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .patent-grid {
    grid-template-columns: 150px 1fr 200px;
  }
}

.patent-seal {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.patent-seal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--ink-cyan);
}

.patent-seal::after {
  content: 'OFFICIAL';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-technical);
  font-size: 0.6rem;
  color: var(--ink-yellow);
  background: var(--bp-dark);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--ink-yellow);
}

.patent-content h2 {
  color: var(--ink-cyan);
  margin-bottom: 1rem;
}

.patent-content p {
  color: var(--ink-dim);
  margin-bottom: 1.5rem;
}

.patent-doc {
  position: relative;
  border: 1px dashed var(--ink-cyan);
  padding: 1rem;
}

.patent-doc img {
  width: 100%;
  opacity: 0.8;
}

.patent-stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-15deg);
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-red);
  border: 3px solid var(--ink-red);
  padding: 0.5rem 1.5rem;
  letter-spacing: 0.2em;
  background: rgba(10, 22, 40, 0.9);
}

/* === Video Section === */
.video-section {
  position: relative;
}

.video-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 900px) {
  .video-grid {
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
  }
}

.video-intro h2 {
  color: var(--ink-white);
  margin-bottom: 1rem;
}

.video-intro p {
  color: var(--ink-dim);
}

.video-frame {
  position: relative;
  border: 1px solid var(--ink-cyan);
  padding: 1rem;
}

.video-frame::before,
.video-frame::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
}

.video-frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--ink-yellow);
  border-left: 2px solid var(--ink-yellow);
}

.video-frame::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--ink-yellow);
  border-right: 2px solid var(--ink-yellow);
}

.responsive-media {
  position: relative;
  padding-bottom: 56.25%;
  background: var(--bp-blue);
}

.responsive-media iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* === Features Section === */
.features-section {
  background: var(--bp-blue);
  position: relative;
}

/* Diagonal corner cut */
.features-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--bp-dark);
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
}

.features-section .container {
  position: relative;
  z-index: 1;
}

.feature-grid {
  display: grid;
  gap: 2rem;
}

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

.feature-card {
  background: var(--bp-dark);
  border: 1px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  border-color: var(--ink-cyan);
  transform: translateY(-4px);
}

.feature-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-bottom: 1px solid var(--bp-medium);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%) brightness(0.9);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-image img {
  filter: grayscale(0%) brightness(1);
}

.feature-number {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-technical);
  font-size: 2rem;
  color: var(--ink-cyan);
  opacity: 0.5;
}

.feature-content {
  padding: 1.5rem;
}

.feature-content h3 {
  color: var(--ink-cyan);
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.feature-content p {
  color: var(--ink-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === Advantages Section === */
.advantages-section {
  position: relative;
}

.advantages-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 600px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(20, 54, 84, 0.3);
  border-left: 2px solid var(--ink-cyan);
  transition: all 0.2s ease;
}

.advantage-item:hover {
  background: rgba(20, 54, 84, 0.6);
  border-left-color: var(--ink-yellow);
}

.advantage-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink-cyan);
  font-size: 1.1rem;
}

.advantage-item:hover .advantage-icon {
  border-color: var(--ink-yellow);
  background: rgba(247, 220, 111, 0.1);
}

.advantage-content h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--ink-white);
  margin-bottom: 0.25rem;
}

.advantage-content p {
  font-size: 0.8rem;
  color: var(--ink-dim);
}

/* === Gallery Section === */
.gallery-section {
  background: var(--bp-blue);
}

.gallery-grid {
  display: grid;
  gap: 1.5rem;
}

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

.gallery-item {
  margin: 0;
}

.lightbox-trigger {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border: 1px solid var(--bp-medium);
  background: none;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
}

.lightbox-trigger:hover {
  border-color: var(--ink-cyan);
}

.lightbox-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: all 0.3s ease;
}

.lightbox-trigger:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-trigger:hover .gallery-overlay {
  opacity: 1;
}

.zoom-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink-cyan);
  color: var(--ink-cyan);
  font-size: 1.5rem;
}

.gallery-item figcaption {
  padding: 1rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  color: var(--ink-dim);
  text-align: center;
  letter-spacing: 0.1em;
  border: 1px solid var(--bp-medium);
  border-top: none;
  background: var(--bp-dark);
}

/* === Story Section === */
.story-section {
  position: relative;
}

.story-grid {
  display: grid;
  gap: 4rem;
}

@media (min-width: 900px) {
  .story-grid {
    grid-template-columns: 280px 1fr;
  }
}

.story-portrait {
  text-align: center;
}

.portrait-frame {
  position: relative;
  display: inline-block;
  padding: 1rem;
  border: 1px solid var(--ink-cyan);
  margin-bottom: 1.5rem;
}

.portrait-frame::before,
.portrait-frame::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
}

.portrait-frame::before {
  top: -5px;
  left: -5px;
  border-top: 2px solid var(--ink-yellow);
  border-left: 2px solid var(--ink-yellow);
}

.portrait-frame::after {
  bottom: -5px;
  right: -5px;
  border-bottom: 2px solid var(--ink-yellow);
  border-right: 2px solid var(--ink-yellow);
}

.portrait-frame img {
  width: 200px;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(20%);
}

.inventor-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-cyan);
  margin-bottom: 0.25rem;
}

.inventor-title {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  color: var(--ink-dim);
  letter-spacing: 0.15em;
}

.story-content h2 {
  color: var(--ink-white);
  margin-bottom: 1.5rem;
}

.story-content p {
  color: var(--ink-dim);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.story-signature {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--ink-cyan);
}

.signature-text {
  font-family: var(--font-technical);
  font-size: 0.85rem;
  color: var(--ink-cyan);
  letter-spacing: 0.1em;
}

/* === Contact Section === */
.contact-section {
  background: linear-gradient(180deg, var(--bp-dark) 0%, var(--bp-blue) 100%);
  position: relative;
}

.contact-grid {
  display: grid;
  gap: 4rem;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info h2 {
  color: var(--ink-white);
  margin-bottom: 1rem;
}

.contact-lead {
  color: var(--ink-dim);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-left: 2px solid var(--ink-cyan);
  background: rgba(20, 54, 84, 0.3);
}

.cf-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink-cyan);
  font-size: 0.9rem;
}

.cf-text h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--ink-white);
  margin-bottom: 0.25rem;
}

.cf-text p {
  font-size: 0.8rem;
  color: var(--ink-dim);
}

/* Contact Form */
.contact-form-wrapper {
  border: 1px solid var(--ink-cyan);
  padding: 2rem;
  position: relative;
}

.contact-form-wrapper::before {
  content: 'CONTACT FORM';
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--bp-dark);
  padding: 0 1rem;
  font-family: var(--font-technical);
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.2em;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--bp-medium);
}

.form-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto;
  border: 1px solid var(--ink-cyan);
  padding: 4px;
}

.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 500px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group label {
  display: block;
  font-family: var(--font-technical);
  font-size: 0.7rem;
  color: var(--ink-cyan);
  margin-bottom: 0.5rem;
  letter-spacing: 0.15em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink-white);
  background: rgba(20, 54, 84, 0.5);
  border: 1px solid var(--bp-medium);
  transition: all 0.2s ease;
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ink-cyan);
  background: rgba(20, 54, 84, 0.8);
}

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

.hidden-hp {
  position: absolute;
  left: -9999px;
}

/* === Social Section === */
.social-section {
  padding: 3rem 0;
  border-top: 1px solid var(--bp-medium);
}

.social-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .social-content {
    flex-direction: row;
    justify-content: center;
  }
}

.social-content p {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  color: var(--ink-dim);
  letter-spacing: 0.15em;
}

.social-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--bp-medium);
  transition: all 0.2s ease;
}

.social-link:hover {
  border-color: var(--ink-cyan);
  background: rgba(78, 205, 196, 0.1);
}

.social-link img {
  width: 18px;
  height: 18px;
  opacity: 0.6;
  filter: brightness(2);
}

.social-link:hover img {
  opacity: 1;
}

/* === Footer === */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--ink-cyan);
  background: var(--bp-dark);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 600px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink-cyan);
  padding: 2px;
}

.footer-brand span {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-cyan);
  letter-spacing: 0.15em;
}

.footer-copy {
  font-family: var(--font-technical);
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}

/* === Lightbox === */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox[hidden] { display: none; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.95);
}

.lightbox__dialog {
  position: relative;
  max-width: 900px;
  width: 100%;
  margin: 0;
  border: 1px solid var(--ink-cyan);
  padding: 1rem;
  background: var(--bp-dark);
}

.lightbox__dialog img {
  width: 100%;
  height: auto;
}

.lightbox__dialog figcaption {
  padding-top: 1rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  color: var(--ink-dim);
  text-align: center;
  letter-spacing: 0.1em;
}

.lightbox__close {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bp-dark);
  border: 1px solid var(--ink-cyan);
  color: var(--ink-cyan);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lightbox__close:hover {
  background: var(--ink-cyan);
  color: var(--bp-dark);
}

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

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

/* === Thank You Page === */
.thankyou-main {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 1rem;
}

.thankyou-card {
  max-width: 500px;
  width: 100%;
  border: 1px solid var(--ink-cyan);
  padding: 3rem;
  text-align: center;
  position: relative;
}

.thankyou-card::before {
  content: 'TRANSMISSION RECEIVED';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bp-dark);
  padding: 0 1rem;
  font-family: var(--font-technical);
  font-size: 0.6rem;
  color: var(--ink-cyan);
  letter-spacing: 0.2em;
  white-space: nowrap;
}

.thankyou-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  border: 1px solid var(--ink-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--ink-cyan);
}

.thankyou-card h1 {
  font-family: var(--font-display);
  color: var(--ink-white);
  margin-bottom: 1rem;
}

.thankyou-card p {
  color: var(--ink-dim);
  margin-bottom: 2rem;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}