/* ==========================================================================
   GIANTPLAY DESIGN SYSTEM & COMPANY PROFILE STYLESHEET
   Supports 4 Aesthetic Styles: Modern, Retro, Classic, Simple
   Supports Dual Theme: Dark (Default) & Light
   Zero External CSS Dependencies
   ========================================================================== */

:root {
  /* Core Brand Colors */
  --brand-emerald: #0e6b58;
  --brand-emerald-hover: #0a4c3f;
  --brand-mint: #5eead4;
  --brand-teal-tint: rgba(14, 107, 88, 0.12);

  /* Fonts */
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-heading: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   THEME TOKENS: DARK (Default)
   ========================================================================== */
html,
html[data-theme="dark"] {
  --bg-canvas: #0c0f12;
  --bg-surface: #14191f;
  --bg-surface-elevated: #1b222a;
  --bg-subtle: #222b35;

  --text-main: #f3f5f8;
  --text-muted: #9aa4b2;
  --text-faint: #647082;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --accent: #5eead4;
  --accent-surface: rgba(94, 234, 212, 0.1);
  --accent-text: #5eead4;

  --badge-bg: rgba(94, 234, 212, 0.12);
  --badge-text: #5eead4;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.65);
}

/* ==========================================================================
   THEME TOKENS: LIGHT
   ========================================================================== */
html[data-theme="light"] {
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-subtle: #e2e8f0;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-faint: #94a3b8;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.16);

  --accent: #0e6b58;
  --accent-surface: rgba(14, 107, 88, 0.08);
  --accent-text: #0e6b58;

  --badge-bg: #e2ede9;
  --badge-text: #0a4c3f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   STYLE MODES (G-UI Heritage)
   ========================================================================== */

/* 1. Modern (Default) */
html[data-style="modern"] {
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --card-shadow: var(--shadow-md);
  --border-width: 1px;
}

/* 2. Retro / Neo-Brutalist */
html[data-style="retro"] {
  --font-heading: "Space Grotesk", sans-serif;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --border-width: 2px;
  --card-shadow: 4px 4px 0px rgba(0, 0, 0, 0.9);
}
html[data-theme="light"][data-style="retro"] {
  --card-shadow: 4px 4px 0px #0f172a;
}

/* 3. Classic / Editorial */
html[data-style="classic"] {
  --font-heading: "Fraunces", Georgia, serif;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --border-width: 1px;
  --card-shadow: var(--shadow-sm);
}

/* 4. Simple / Swiss Minimalist */
html[data-style="simple"] {
  --font-sans: "Inter", sans-serif;
  --font-heading: "Inter", sans-serif;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --border-width: 1px;
  --card-shadow: none;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--text-main);
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

img, svg {
  vertical-align: middle;
}

button, input, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-canvas);
  border-bottom: var(--border-width) solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  transition: background-color var(--transition), border-color var(--transition);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-emerald), #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(14, 107, 88, 0.3);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.brand-dot {
  color: var(--accent);
}

.brand-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-muted);
  border-left: 1px solid var(--border-strong);
  padding-left: 0.4rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
}
.nav-link:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-control {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}
.btn-control:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent);
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: var(--border-width) solid transparent;
  text-align: center;
}

.btn-primary {
  background: var(--brand-emerald);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(14, 107, 88, 0.35);
}
.btn-primary:hover {
  background: var(--brand-emerald-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(14, 107, 88, 0.45);
}

.btn-outline {
  background: var(--bg-surface);
  border-color: var(--border-strong);
  color: var(--text-main);
}
.btn-outline:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.785rem;
  font-weight: 600;
  border-radius: 9999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid rgba(94, 234, 212, 0.2);
}

.badge-live {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 6px currentColor;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 5.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-pill {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}

.hero-title span.highlight {
  background: linear-gradient(135deg, var(--accent), #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Live Studio Metrics */
.studio-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.metric-card {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition);
}
.metric-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  font-family: var(--font-heading);
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section {
  padding: 5rem 0;
  border-top: var(--border-width) solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   ABOUT & STORY SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.about-text p strong {
  color: var(--text-main);
}

.founder-callout {
  background: var(--bg-surface);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-top: 1.75rem;
}

.founder-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.75rem;
}

.founder-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-emerald);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.founder-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.founder-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.highlight-box {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform var(--transition);
}
.highlight-box:hover {
  transform: translateX(4px);
  border-color: var(--accent);
}

.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-surface);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.highlight-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.highlight-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   PRODUCTS SHOWCASE (The app- Suite)
   ========================================================================== */
.product-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent);
  color: var(--text-main);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.product-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.product-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-surface);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.product-category {
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--accent);
}

.product-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 1rem 0 1.5rem;
  line-height: 1.6;
}

.product-highlights {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.product-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-main);
}

.product-highlights li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 800;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2rem;
}

.tag {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.65rem;
  font-size: 0.775rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.product-footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: auto;
  border-top: var(--border-width) solid var(--border-subtle);
  padding-top: 1.5rem;
}

.product-footer .btn {
  flex: 1;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   PHILOSOPHY & 4 PILLARS
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition);
}
.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.6;
  margin-bottom: 1rem;
}

.pillar-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   TECH STACK ARCHITECTURE
   ========================================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.tech-group {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.tech-group-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.tech-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tech-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.tech-item span.desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   INTERACTIVE STYLE LAB (Live G-UI Demo)
   ========================================================================== */
.lab-card {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  margin-top: 1rem;
}

.lab-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.style-selector-btn {
  background: var(--bg-surface-elevated);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.style-selector-btn.active,
.style-selector-btn:hover {
  border-color: var(--accent);
  background: var(--accent-surface);
  color: var(--accent);
}

.lab-preview {
  background: var(--bg-canvas);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.lab-preview-item {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

/* ==========================================================================
   CONTACT & INQUIRIES
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: flex-start;
}

.contact-info h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

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

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--transition);
}
.contact-channel:hover {
  transform: translateX(4px);
  border-color: var(--accent);
}

.channel-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent-surface);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.channel-text h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.channel-text p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.contact-form {
  background: var(--bg-surface);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-canvas);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-surface);
}

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

.form-feedback {
  margin-top: 1rem;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}
.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}
.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: var(--border-width) solid var(--border-subtle);
  padding: 4rem 0 2.5rem;
  background: var(--bg-canvas);
  margin-top: 5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

/* ==========================================================================
   MOBILE & RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 992px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .studio-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-canvas);
    border-bottom: var(--border-width) solid var(--border-strong);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }

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

  .menu-toggle {
    display: block;
  }

  .hero {
    padding: 3.5rem 0 2.5rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}