/* ============================================
   AlthemaxAI - Premium Static Website Styles
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.08);
  --gradient-start: #e8722a;
  --gradient-end: #f5a623;
  --accent-teal: #4ecdc4;
  --text-white: #ffffff;
  --text-muted: #b8b8b8;
  --text-dim: #7a7a8e;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 40px rgba(232, 114, 42, 0.15);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button, input, textarea, select { font-family: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.teal-text {
  color: var(--accent-teal);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 48px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition);
  background: rgba(255,255,255,0.1);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  box-shadow: 0 4px 24px rgba(232, 114, 42, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232, 114, 42, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: translateY(-2px);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 10px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
}

.nav-brand span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff !important;
  font-weight: 600;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { box-shadow: 0 4px 20px rgba(232, 114, 42, 0.4); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(232, 114, 42, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(78, 205, 196, 0.08) 0%, transparent 50%),
              var(--bg-primary);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.2);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-teal);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.hero-glow--orange {
  background: var(--gradient-start);
  top: -150px;
  right: -100px;
  animation: float-glow 8s ease-in-out infinite;
}

.hero-glow--teal {
  background: var(--accent-teal);
  bottom: -200px;
  left: -100px;
  animation: float-glow 8s ease-in-out infinite reverse;
}

@keyframes float-glow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

/* ---------- Sections ---------- */
section {
  padding: 100px 0;
  position: relative;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 3px;
  margin: 0 auto 48px;
}

/* ---------- About / Who We Are ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 24px;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(232, 114, 42, 0.3);
  transform: translateY(-4px);
}

.stat-card:hover::before { opacity: 1; }

.stat-card .stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(232,114,42,0.3), rgba(78,205,196,0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.glass-card:hover::before { opacity: 1; }

/* ---------- Featured Projects ---------- */
.projects-section {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.project-card {
  padding: 40px;
  text-align: center;
}

.project-card .project-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  background: linear-gradient(135deg, rgba(232,114,42,0.15), rgba(245,166,35,0.1));
  border: 1px solid rgba(232,114,42,0.2);
}

.project-card .project-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card .project-logo img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: contain;
}

.project-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-teal);
  transition: var(--transition);
}

.project-link:hover {
  gap: 10px;
  color: var(--gradient-end);
}

/* ---------- Why Section / Differentiators ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  padding: 32px 24px;
  text-align: center;
}

.why-card .why-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.4rem;
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.15);
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: rgba(78, 205, 196, 0.2);
  transform: scale(1.1);
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.why-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------- Emphasis / CTA Banner ---------- */
.emphasis-section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.emphasis-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,114,42,0.08) 0%, rgba(78,205,196,0.06) 100%);
}

.emphasis-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.emphasis-inner blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 500;
  line-height: 1.6;
  border-left: 4px solid var(--gradient-start);
  padding-left: 28px;
  text-align: left;
  color: var(--text-white);
}

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
}

.service-card .service-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(232,114,42,0.12), rgba(245,166,35,0.08));
  border: 1px solid rgba(232,114,42,0.15);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(232,114,42,0.25), rgba(245,166,35,0.15));
  transform: rotate(-5deg) scale(1.1);
}

.service-card .service-num {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

/* ---------- Services Hero ---------- */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(232,114,42,0.1) 0%, transparent 60%);
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ---------- Contact Layout ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.contact-form-card {
  padding: 44px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-card);
  background: rgba(255,255,255,0.04);
  color: var(--text-white);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(78,205,196,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  margin-top: 8px;
}

.contact-info-card {
  padding: 44px;
}

.contact-info-card h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.info-item .info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.15);
}

.info-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.info-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.info-item a {
  color: var(--accent-teal);
  transition: var(--transition);
}

.info-item a:hover { color: var(--gradient-end); }

.map-embed {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-card);
  margin-top: 20px;
  overflow: hidden;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.6) brightness(0.7) contrast(1.1);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 80px 0;
  text-align: center;
}

.cta-card {
  background: linear-gradient(135deg, rgba(232,114,42,0.12), rgba(78,205,196,0.08));
  border: 1px solid rgba(232,114,42,0.15);
  border-radius: var(--radius);
  padding: 60px 40px;
  max-width: 700px;
  margin: 0 auto;
}

.cta-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.cta-card p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-card);
  background: rgba(0,0,0,0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-brand {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-white);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-teal);
  padding-left: 6px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border-card);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-social {
  display: flex;
  gap: 14px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: translateY(-2px);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(232,114,42,0.3);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(232,114,42,0.45);
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Page Load ---------- */
.page-transition {
  animation: pageIn 0.6s ease forwards;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Gradient Animated Border on Hover for Service Cards ---------- */
.service-card::after {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--gradient-start), var(--accent-teal), var(--gradient-end));
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover::after {
  opacity: 1;
  animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(22, 33, 62, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid var(--border-card);
  }

  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; max-width: 440px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .hero { min-height: auto; padding: 140px 0 80px; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .container { padding: 0 16px; }
  section { padding: 72px 0; }
}