/* ============================================
   AngkasaScience - Smart City Technology
   Malaysian Government Tech Style
   ============================================ */

/* CSS Variables */
:root {
  --primary: #0a4d8c;
  --primary-dark: #063361;
  --primary-light: #1a6fc4;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --secondary: #0d1b2a;
  --surface: #112240;
  --surface-light: #1a3355;
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
  --text-accent: #00d4ff;
  --gold: #c5a44e;
  --gold-light: #e8d48b;
  --gradient-blue: linear-gradient(135deg, #0a4d8c 0%, #00d4ff 100%);
  --gradient-dark: linear-gradient(135deg, #0d1b2a 0%, #112240 100%);
  --gradient-hero: linear-gradient(160deg, #063361 0%, #0a4d8c 40%, #1a6fc4 70%, #00d4ff 100%);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-cn: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Inter', 'Roboto', sans-serif;
  --font-my: 'Inter', 'Roboto', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-en);
  background-color: var(--secondary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.lang-zh { font-family: var(--font-cn); }
body.lang-ms { font-family: var(--font-my); }

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

a:hover {
  color: var(--gold-light);
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ===== Loading Screen ===== */
#loader {
  position: fixed;
  inset: 0;
  background: var(--secondary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.5s ease;
}

#loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  animation: pulse-glow 2s ease-in-out infinite;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 10px var(--accent-glow)); }
  50% { filter: drop-shadow(0 0 25px var(--accent-glow)); }
}

/* ===== Particles Background ===== */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== 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(13, 27, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-brand-logo {
  width: 42px;
  height: 42px;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.nav-brand-tagline {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

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

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 6px;
  padding: 4px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.lang-btn:hover {
  color: var(--accent);
}

.lang-btn.active {
  background: var(--primary);
  color: var(--text-primary);
}

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

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

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 32px 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(10, 77, 140, 0.15) 0%, transparent 70%);
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(30px, -30px); }
  50% { transform: translate(-20px, 20px); }
  75% { transform: translate(20px, 10px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50px;
  padding: 8px 20px;
  margin-bottom: 32px;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 1px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #e6f1ff 0%, #00d4ff 50%, #c5a44e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto 48px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 212, 255, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Stats Row */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

.hero-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Section Common ===== */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 32px;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.2;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

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

.about-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual-ring {
  width: 300px;
  height: 300px;
  border: 2px solid rgba(0, 212, 255, 0.15);
  border-radius: 50%;
  position: absolute;
  animation: rotate-slow 30s linear infinite;
}

.about-visual-ring:nth-child(2) {
  width: 220px;
  height: 220px;
  border-color: rgba(0, 212, 255, 0.25);
  animation-direction: reverse;
  animation-duration: 20s;
}

.about-visual-ring:nth-child(3) {
  width: 140px;
  height: 140px;
  border-color: rgba(0, 212, 255, 0.4);
  animation-duration: 15s;
}

.about-visual-core {
  width: 60px;
  height: 60px;
  background: var(--gradient-blue);
  border-radius: 50%;
  box-shadow: 0 0 40px var(--accent-glow);
  z-index: 1;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes rotate-slow {
  to { transform: rotate(360deg); }
}

.about-content h3 {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.about-feature-icon {
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== Services Section ===== */
.services-bg {
  background: var(--gradient-dark);
}

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

.service-card {
  background: rgba(17, 34, 64, 0.6);
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: 16px;
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow-glow);
  background: rgba(17, 34, 64, 0.9);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Solutions Section ===== */
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.solution-tab {
  padding: 10px 24px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.solution-tab:hover {
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--accent);
}

.solution-tab.active {
  background: var(--primary);
  border-color: var(--accent);
  color: var(--text-primary);
}

.solution-content {
  display: none;
}

.solution-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.solution-visual {
  position: relative;
  height: 360px;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.solution-visual-icon {
  font-size: 6rem;
  opacity: 0.2;
  color: var(--accent);
}

.solution-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.solution-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.solution-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.solution-features {
  list-style: none;
}

.solution-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(0, 212, 255, 0.05);
}

.solution-features li:last-child {
  border-bottom: none;
}

.solution-features .check {
  color: var(--accent);
  font-weight: bold;
}

/* ===== Tech Stack Section ===== */
.tech-bg {
  background: var(--gradient-dark);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tech-item {
  background: rgba(17, 34, 64, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.06);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.tech-item:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.tech-item-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--accent);
}

.tech-item-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== Contact Section ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  padding: 40px;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: 16px;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.contact-detail-text span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-form {
  padding: 40px;
  background: rgba(17, 34, 64, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: 16px;
}

.form-group {
  margin-bottom: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

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

.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(6, 51, 97, 0.3);
  border-top: 1px solid rgba(0, 212, 255, 0.08);
  padding: 64px 32px 32px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
}

.footer h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 212, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.footer-bottom-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  font-size: 1.2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
}

/* ===== Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .solution-content.active {
    grid-template-columns: 1fr;
  }

  .solution-visual {
    height: 260px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(13, 27, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 32px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid rgba(0, 212, 255, 0.1);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .lang-switcher {
    margin-top: 16px;
  }

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

  .about-visual {
    height: 280px;
  }

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

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

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 32px;
  }

  .hero-stat-number {
    font-size: 1.8rem;
  }

  .about-features {
    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;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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