/* ===== CSS Custom Properties ===== */
:root {
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #E6F0FF;
  --secondary: #00C9A7;
  --secondary-dark: #00A88A;
  --accent: #FF6B35;
  --text: #1A1A2E;
  --text-secondary: #555770;
  --text-light: #8888A0;
  --bg: #FFFFFF;
  --bg-alt: #F7F8FC;
  --bg-card: #FFFFFF;
  --border: #E2E4F0;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
  --shadow-primary: 0 8px 32px rgba(0, 102, 255, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
  --max-width: 1200px;
}

[data-theme="dark"] {
  --primary: #3B8BFF;
  --primary-dark: #0066FF;
  --primary-light: #1A2744;
  --secondary: #00E6BE;
  --text: #E8E8F0;
  --text-secondary: #A0A0B8;
  --text-light: #6E6E88;
  --bg: #0D1117;
  --bg-alt: #161B22;
  --bg-card: #1C2333;
  --border: #2A3040;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.4);
  --shadow-primary: 0 8px 32px rgba(59, 139, 255, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.3);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--primary);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ===== Header / Navbar ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: all var(--transition);
}

[data-theme="dark"] .header {
  background: rgba(13, 17, 23, 0.85);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}

.nav-logo .logo-svg {
  height: 36px;
  width: auto;
}

.logo-text {
  fill: #1A1A2E;
  transition: fill 0.3s ease;
}

[data-theme="dark"] .logo-text {
  fill: #E8E8F0;
}

.nav-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition);
  font-size: 0.95rem;
}

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

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

/* Dark Mode Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--bg-alt);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition);
  color: var(--text);
}

.theme-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* ===== Hero Section ===== */
.hero {
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 60px) 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 50%, rgba(0, 201, 167, 0.05) 100%);
}

.hero-bg::before,
.hero-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  z-index: -1;
}

.hero-bg::before {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.08), transparent 70%);
  top: -100px;
  right: 10%;
}

.hero-bg::after {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 201, 167, 0.08), transparent 70%);
  bottom: -50px;
  left: 5%;
}

[data-theme="dark"] .hero-bg {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, var(--bg) 50%, rgba(0, 201, 167, 0.04) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 560px;
}

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

.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-illustration .hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-card-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero-card-dot:nth-child(1) { background: #FF5F57; }
.hero-card-dot:nth-child(2) { background: #FFBD2E; }
.hero-card-dot:nth-child(3) { background: #28CA41; }

.hero-card-line {
  height: 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.hero-card-line:nth-child(1) {
  width: 70%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.7;
  height: 14px;
  margin-bottom: 16px;
}

.hero-card-line:nth-child(2) { width: 100%; background: var(--border); }
.hero-card-line:nth-child(3) { width: 85%; background: var(--border); }
.hero-card-line:nth-child(4) { width: 60%; background: var(--border); }

.hero-card-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.hero-card-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.hero-card-block i {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 6px;
  display: block;
}

.hero-card-block span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-visual {
  display: none;
}

/* ===== Services Cards ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon img {
  width: 36px;
  height: 36px;
}

.service-icon i {
  font-size: 1.6rem;
  color: var(--primary);
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  margin-bottom: 20px;
}

.service-card .btn-sm {
  margin-top: auto;
}

/* ===== Features (Neden Biz) ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-item {
  text-align: center;
  padding: 32px 24px;
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
}

.feature-item h4 {
  margin-bottom: 8px;
}

/* ===== Stats / Counter ===== */
.stats {
  background: linear-gradient(135deg, #0D1117, #1A1A2E);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 8px;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ===== Testimonials ===== */
.testimonials-wrapper {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 0 16px;
}

.testimonial-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.testimonial-stars {
  color: #FFC107;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 1.15rem;
  font-style: italic;
  margin-bottom: 24px;
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.testimonial-role {
  color: var(--text-light);
  font-size: 0.9rem;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.testimonial-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), #004ACC);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== About Page ===== */
.page-hero {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: var(--bg-alt);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  margin-bottom: 16px;
}

.about-text p {
  margin-bottom: 16px;
}

.mission-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.mission-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.mission-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}

.mission-card h4 {
  margin-bottom: 12px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 24px;
  text-align: center;
}

.tech-item {
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.tech-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.tech-item i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.tech-item span {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ===== Services Detail Page ===== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.service-detail.reverse {
  direction: rtl;
}

.service-detail.reverse > * {
  direction: ltr;
}

.service-detail-content h3 {
  margin-bottom: 16px;
}

.service-detail-content p {
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  margin-bottom: 24px;
}

.service-features li {
  padding: 8px 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-features li i {
  color: var(--secondary);
  font-size: 1.1rem;
}

.service-visual {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
}

.service-visual img {
  max-width: 200px;
}

/* ===== Blog Page ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light), rgba(0, 201, 167, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
}

.blog-card-body {
  padding: 28px;
}

.blog-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.blog-card-body h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.blog-card-body p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.blog-card-body .read-more {
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-card-body .read-more:hover {
  gap: 10px;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group .error-msg {
  color: #E53E3E;
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #E53E3E;
}

.form-group.error .error-msg {
  display: block;
}

.contact-info-list {
  margin-top: 40px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  margin-bottom: 4px;
}

.contact-info-item p {
  margin-bottom: 0;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-about p {
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer-links h4 {
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition);
  text-decoration: none;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  color: #fff;
}

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 100px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary);
}

/* ===== Form Success ===== */
.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success i {
  font-size: 3rem;
  color: var(--secondary);
  margin-bottom: 16px;
}

.form-success h3 {
  margin-bottom: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-illustration {
    display: none;
  }

  .about-content,
  .service-detail,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail.reverse {
    direction: ltr;
  }

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

  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
  }

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

  .nav-links::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: -1;
  }

  .nav-links.open::before {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
    font-size: 1.05rem;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: calc(var(--header-height) + 40px) 0 60px;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-illustration {
    display: none;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
    justify-content: center;
  }

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

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

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

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

  .section {
    padding: 60px 0;
  }

  .btn {
    padding: 12px 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

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

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