/* Alpha Tek – Light, professional blue theme */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-elevated: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-accent: #0ea5e9;
  --color-accent-hover: #0284c7;
  --color-accent-light: #e0f2fe;
  --color-cta: #0ea5e9;
  --color-cta-hover: #0284c7;
  --color-blue-deep: #0369a1;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --transition: 0.2s ease;
}

/* WOW scroll-in animation */
.wow {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.wow.visible {
  opacity: 1;
  transform: translateY(0);
}
.services-grid .wow:nth-child(1) { transition-delay: 0.1s; }
.services-grid .wow:nth-child(2) { transition-delay: 0.2s; }
.services-grid .wow:nth-child(3) { transition-delay: 0.3s; }
.portfolio-grid .wow:nth-child(1) { transition-delay: 0.1s; }
.portfolio-grid .wow:nth-child(2) { transition-delay: 0.2s; }
.portfolio-grid .wow:nth-child(3) { transition-delay: 0.3s; }
.about-content.wow { transition-delay: 0.1s; }
.about-visual.wow { transition-delay: 0.2s; }

@media (prefers-reduced-motion: reduce) {
  .wow {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-text);
  background: #f1f5f9;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  z-index: 100;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
}
.logo:hover {
  color: var(--color-text);
  opacity: 0.9;
}
.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.logo:hover .logo-text {
  color: var(--color-text);
}
.logo-img-footer {
  height: 34px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger {
  position: relative;
}
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: translateY(-7px) rotate(-45deg); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  border-radius: var(--radius);
}
.nav-link:hover {
  color: var(--color-accent-hover);
}
.nav-cta {
  color: #fff;
  background: var(--color-cta);
}
.nav-cta:hover {
  color: #fff;
  background: var(--color-cta-hover);
}

.nav-dropdown {
  position: relative;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  margin: 0.25rem 0 0;
  padding: 0.5rem;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.dropdown-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text);
  border-radius: var(--radius);
}
.dropdown-menu a:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
}

/* Mega menu */
.dropdown-mega {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 520px;
  margin-top: 0.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 2rem;
}
.nav-dropdown-mega:hover .dropdown-mega,
.nav-dropdown-mega:focus-within .dropdown-mega {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-mega .mega-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}
.dropdown-mega ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.dropdown-mega li { margin-bottom: 0.35rem; }
.dropdown-mega a {
  display: block;
  padding: 0.25rem 0;
  color: var(--color-text);
  font-weight: 500;
}
.dropdown-mega a:hover {
  color: var(--color-accent-hover);
  background: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0 2.5rem;
  overflow: hidden;
  background: #0c4a6e;
}

.hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.75) 0%, rgba(2, 132, 199, 0.6) 50%, rgba(12, 74, 110, 0.7) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #bae6fd;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
}

.hero-title {
  font-size: clamp(1.85rem, 4.5vw, 2.85rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.6rem;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.hero-title .highlight {
  color: #7dd3fc;
}

.hero-desc {
  font-size: 1rem;
  color: #e0f2fe;
  max-width: 480px;
  margin: 0 auto 1.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.hero .btn-primary {
  background: #fff;
  color: var(--color-accent);
}
.hero .btn-primary:hover {
  background: #e0f2fe;
  color: var(--color-accent-hover);
}
.hero .btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.9);
}
.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform 0.1s ease;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--color-cta);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-cta-hover);
  color: #fff;
}
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.btn-full {
  width: 100%;
}

.hero-scroll {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-indicator {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}
.scroll-indicator:hover {
  color: #fff;
}

/* Inner page hero */
.page-hero {
  background: linear-gradient(180deg, var(--color-accent-light) 0%, var(--color-surface) 100%);
  padding: 2.5rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.page-hero--img {
  padding: 3rem 0;
  min-height: 280px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0c4a6e;
}
.page-hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.8) 0%, rgba(2, 132, 199, 0.75) 50%, rgba(12, 74, 110, 0.85) 100%);
  pointer-events: none;
}
.page-hero--img .container {
  position: relative;
  z-index: 2;
}
.page-hero .container {
  max-width: 900px;
}
.breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}
.breadcrumb a {
  color: var(--color-text-muted);
}
.breadcrumb a:hover { color: var(--color-accent-hover); }
.breadcrumb span { color: var(--color-text-muted); margin: 0 0.35rem; }
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}
.page-hero .lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0;
}
/* Banner with image: force light text so it’s readable on the photo */
.page-hero--img .breadcrumb a,
.page-hero--img .breadcrumb span {
  color: rgba(255, 255, 255, 0.9) !important;
}
.page-hero--img .breadcrumb a:hover {
  color: #fff !important;
}
.page-hero--img h1 {
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}
.page-hero--img .lead {
  color: #e0f2fe !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* Content sections */
.content-section {
  padding: 3rem 0;
}
.content-section:nth-child(even) {
  background: var(--color-surface);
}
.content-section .section-title {
  margin-bottom: 1rem;
}
.rich-text {
  max-width: 72ch;
}
.rich-text p { margin: 0 0 1rem; color: var(--color-text-muted); }
.rich-text ul, .rich-text ol { margin: 0 0 1rem; padding-left: 1.5rem; color: var(--color-text-muted); }
.two-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}
.card-title { font-size: 1.1rem; font-weight: 600; margin: 0 0 0.5rem; }
.card-desc { font-size: 0.95rem; color: var(--color-text-muted); margin: 0; }
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem 0;
}
.stat-item { text-align: left; }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--color-accent); line-height: 1.2; }
.stat-label { font-size: 0.9rem; color: var(--color-text-muted); margin-top: 0.25rem; }

/* Sections */
.section {
  padding: 2.25rem 0;
}
.section-title {
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}
.section-subtitle {
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
  max-width: 520px;
  font-size: 0.95rem;
}
.section-cta {
  text-align: center;
  margin: 1rem 0 0;
}

/* Services grid */
.services {
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border-top: 1px solid var(--color-border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.service-card {
  padding: 1.25rem 1.35rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 12px 24px -8px rgba(14, 165, 233, 0.2);
  transform: translateY(-4px);
}

.service-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}
.service-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-accent);
}
.service-icon svg path,
.service-icon svg circle {
  stroke: inherit;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}
.service-card p {
  color: var(--color-text-muted);
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
}
.service-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-accent);
}
.service-link:hover {
  color: var(--color-accent-hover);
}

/* About */
.about {
  background: #e2e8f0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  align-items: center;
}

.about-content .section-title {
  margin-bottom: 0.6rem;
}
.about-content p {
  color: var(--color-text-muted);
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
}
.about-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.about-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}
.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.about-visual {
  height: 180px;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  position: relative;
  overflow: hidden;
}
.about-visual-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.7) 0%, rgba(2, 132, 199, 0.6) 100%);
  z-index: 1;
  pointer-events: none;
}
.about-visual-badge {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.about-visual-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #e0f2fe;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Portfolio */
.portfolio {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-top: 1px solid var(--color-border);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.portfolio-item {
  aspect-ratio: 16/10;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.portfolio-item-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.portfolio-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.65) 100%);
  z-index: 1;
  pointer-events: none;
}
.portfolio-item-icon,
.portfolio-item-desc,
.portfolio-item-label {
  position: relative;
  z-index: 2;
}
.portfolio-item:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 20px -6px rgba(14, 165, 233, 0.35);
  transform: translateY(-4px);
}
.portfolio-item:hover::after {
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.2) 0%, rgba(2, 132, 199, 0.75) 100%);
}
.portfolio-item-icon {
  display: block;
  font-size: 1.65rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.portfolio-item-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
  margin: 0.35rem 0 0;
  flex: 1;
  display: flex;
  align-items: center;
}
.portfolio-item:hover .portfolio-item-desc {
  color: #fff;
}
.portfolio-item-label {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  display: block;
  margin-top: 0.25rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
.portfolio-item:hover .portfolio-item-label {
  color: #fff;
}

/* Contact */
.contact {
  background: #fff;
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.75rem;
  align-items: start;
}

.contact-info .section-title {
  margin-bottom: 0.5rem;
}
.contact-info > p {
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  font-size: 0.95rem;
}
.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-details li {
  margin-bottom: 0.5rem;
}
.contact-details a {
  color: var(--color-accent);
}

.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}
.required {
  color: #dc2626;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #dc2626;
}

.form-error {
  display: block;
  font-size: 0.85rem;
  color: #dc2626;
  margin-top: 0.25rem;
}

.form-success {
  margin-top: 1rem;
  color: var(--color-cta);
  font-weight: 500;
}
.form-success.form-success--error {
  color: #dc2626;
}

/* Footer */
.footer {
  padding: 1.75rem 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.04);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.35rem;
}
.footer-brand p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
}
.footer-nav a {
  color: var(--color-text-muted);
}
.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Mega footer */
.footer-mega .footer-inner {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 1.25rem 2rem;
  align-items: start;
}
.footer-mega .footer-brand { max-width: 240px; }
.footer-mega .footer-brand p { font-size: 0.85rem; }
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin: 0 0 1rem;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-mega .footer-copy { grid-column: 1 / -1; }

@media (max-width: 900px) {
  .footer-mega .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .footer-mega .footer-inner {
    grid-template-columns: 1fr;
  }
  .dropdown-mega {
    min-width: 280px;
    grid-template-columns: 1fr;
    left: 0;
    transform: translateY(-6px);
  }
  .nav-dropdown-mega:hover .dropdown-mega,
  .nav-dropdown-mega:focus-within .dropdown-mega {
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .about-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-dropdown .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin: 0.5rem 0 0 1rem;
    border: none;
    box-shadow: none;
    background: var(--color-surface-elevated);
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-nav ul {
    flex-wrap: wrap;
  }
}