/* ==========================================================================
   UNITE HAUS — 3D Design Planner
   Pure CSS3 Stylesheet (style.css)
   Clean, Modern, Architectural Aesthetics with Smooth Parallax
   ========================================================================== */

/* 1. Global Reset & Theme Variables */
:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette */
  --bg-dark: #0a0c0f;
  --bg-card: #12151b;
  --bg-surface: #181d24;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.2);

  --text-main: #f1f3f7;
  --text-muted: #9aa1ad;
  --text-dim: #636b78;

  --accent-gold: #c5a880;
  --accent-gold-hover: #d8bc94;
  --accent-glow: rgba(197, 168, 128, 0.16);

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-dark);
}

/* Custom Architectural Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0a0c0f;
}
::-webkit-scrollbar-thumb {
  background: #232731;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #383e4d;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  color: var(--text-muted);
}

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

/* 2. Top Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(10, 12, 15, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--text-main);
  white-space: nowrap;
}

.logo-symbol {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(197, 168, 128, 0.12);
  border: 1px solid rgba(197, 168, 128, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #0b0c0e;
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-large {
  padding: 14px 28px;
  font-size: 0.95rem;
}

.btn-block {
  width: 100%;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #19261c;
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.25);
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition-smooth);
  margin-top: 24px;
}

.btn-whatsapp:hover {
  background: #223326;
  border-color: rgba(74, 222, 128, 0.5);
  transform: translateY(-2px);
}

.btn-outline-small {
  padding: 6px 14px;
  font-size: 0.78rem;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 4px;
}

.btn-outline-small:hover {
  background: rgba(56, 189, 248, 0.2);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background-color: #fff;
  transition: var(--transition-smooth);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: #0d1015;
  border-bottom: 1px solid var(--border-subtle);
}

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

.mobile-link {
  font-size: 1rem;
  color: var(--text-muted);
}

/* 3. SECTION 1: HEADER FULL HALAMAN (HERO & PARALLAX) */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 130px 24px 80px;
}

.parallax-bg-layer {
  position: absolute;
  top: -15%;
  left: -10%;
  width: 120%;
  height: 130%;
  background-image: url('images/unite_haus_hero_render_1792231930316.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.6) contrast(1.06);
  will-change: transform;
  z-index: 1;
  transition: transform 0.1s ease-out;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  z-index: 2;
  pointer-events: none;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, rgba(10, 12, 15, 0.25) 0%, rgba(10, 12, 15, 0.85) 75%, #0a0c0f 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  text-align: center;
  margin: 0 auto;
  will-change: transform;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  background: rgba(18, 21, 27, 0.7);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.3rem);
  line-height: 1.12;
  margin-bottom: 22px;
  font-weight: 700;
}

.hero-description {
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  color: #cfd4dc;
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}

/* 3D Canvas Box */
.hero-3d-box {
  width: 100%;
  max-width: 760px;
  height: 380px;
  margin: 0 auto 36px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: blur(12px);
  position: relative;
  display: none;
}

.hero-3d-box.active {
  display: block;
}

#threeCanvasContainer {
  width: 100%;
  height: 100%;
  cursor: grab;
}

#threeCanvasContainer:active {
  cursor: grabbing;
}

.canvas-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-gold);
  background: rgba(0, 0, 0, 0.7);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  pointer-events: none;
}

.canvas-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
  background: rgba(10, 12, 15, 0.85);
  padding: 6px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.canvas-btn {
  background: transparent;
  border: none;
  color: #ccc;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.canvas-btn:hover, .canvas-btn.active {
  background: var(--bg-surface);
  color: #fff;
}

/* Hero Metrics */
.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 16px 28px;
  background: rgba(18, 21, 27, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin: 0 auto;
  max-width: 620px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.metric-separator {
  color: var(--border-subtle);
  font-size: 1.2rem;
}

/* Mouse Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  transition: var(--transition-smooth);
}

.scroll-indicator:hover {
  color: var(--text-muted);
}

.mouse-icon {
  width: 20px;
  height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 2px;
  animation: mouseBob 2s infinite ease-in-out;
}

@keyframes mouseBob {
  0% { transform: translate(-50%, 0); opacity: 1; }
  80% { transform: translate(-50%, 12px); opacity: 0; }
  100% { transform: translate(-50%, 0); opacity: 0; }
}

/* 4. SECTION 2: ABOUT US */
.about-section {
  padding: 120px 0;
  position: relative;
  background-color: #0c0f13;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  max-width: 760px;
  margin-bottom: 64px;
}

.section-subtitle {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-lead {
  font-size: 1.05rem;
  line-height: 1.7;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: stretch;
  margin-bottom: 64px;
}

.about-visual-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
}

.visual-wrapper {
  position: relative;
  flex: 1;
  min-height: 380px;
  overflow: hidden;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-visual-card:hover .about-img {
  transform: scale(1.03);
}

.visual-overlay-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(10, 12, 15, 0.95), transparent);
}

.code-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  display: inline-block;
  margin-bottom: 4px;
  font-weight: 600;
}

.hotspot-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-subtle);
  background: #090b0e;
}

.hotspot-btn {
  padding: 10px 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hotspot-btn:last-child {
  border-right: none;
}

.hotspot-btn:hover, .hotspot-btn.active {
  background: rgba(197, 168, 128, 0.1);
  color: var(--accent-gold);
  font-weight: 600;
}

.about-steps-list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.step-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  transition: var(--transition-smooth);
}

.step-card:hover {
  border-color: var(--border-hover);
  transform: translateX(5px);
  background: var(--bg-surface);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
}

.step-title {
  font-size: 1rem;
  margin-bottom: 4px;
}

.step-desc {
  font-size: 0.88rem;
  line-height: 1.55;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
}

.stat-col {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 5. SECTION 3: PORTOFOLIO */
.portfolio-section {
  padding: 120px 0;
  position: relative;
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-subtle);
}

.portfolio-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 5px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  color: #fff;
}

.filter-btn.active {
  background: var(--bg-surface);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.project-thumb-container {
  position: relative;
  height: 300px;
  overflow: hidden;
  background: #000;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(10, 12, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  color: var(--accent-gold);
}

.project-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-bottom: 8px;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.project-card:hover .project-title {
  color: var(--accent-gold);
}

.project-excerpt {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-link-action {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 6. SECTION 4: CONTACT US */
.contact-section {
  padding: 120px 0;
  position: relative;
  background-color: #0c0f13;
  border-top: 1px solid var(--border-subtle);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: flex-start;
}

.contact-lead {
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 2px;
}

.contact-item p {
  font-size: 0.88rem;
}

/* FAQ Accordion */
.faq-box {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.faq-title {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 16px;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  margin-bottom: 8px;
  background: rgba(18, 21, 27, 0.4);
}

.faq-question {
  width: 100%;
  padding: 12px 16px;
  text-align: left;
  background: transparent;
  border: none;
  color: #e5e7eb;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-answer {
  display: none;
  padding: 0 16px 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question {
  color: var(--accent-gold);
}

/* Consultation Form Card */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 36px;
}

.form-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.form-title {
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.form-subtitle {
  font-size: 0.85rem;
}

.consultation-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #cfd4dc;
}

.form-input {
  width: 100%;
  background: #090a0d;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 11px 14px;
  font-size: 0.88rem;
  color: #fff;
  font-family: inherit;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-dim);
}

.form-success-banner {
  margin-top: 16px;
  padding: 16px;
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.35);
  border-radius: 6px;
  color: #86efac;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* 7. Project Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-container {
  background: #12151b;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 10;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background: #000;
}

.modal-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.modal-body {
  padding: 28px;
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.modal-meta {
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}

.modal-description {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: #090a0d;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.modal-spec-item h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.modal-spec-item p {
  font-size: 0.85rem;
  color: #ccc;
}

/* 8. Footer */
.footer {
  padding: 60px 0 36px;
  background: #08090b;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  max-width: 480px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

/* 9. Responsive Breakpoints */
@media (max-width: 992px) {
  .about-grid, .contact-layout, .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .hero-metrics {
    flex-direction: column;
    gap: 12px;
  }
  .metric-separator {
    display: none;
  }
  .stats-bar {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hotspot-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .modal-specs-grid {
    grid-template-columns: 1fr;
  }
}