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

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  color: #111111;
  line-height: 1.75;
  background: #FFFFFF;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ===== CSS Variables ===== */
:root {
  --red: #E60012;
  --red-dark: #C5000F;
  --red-light: #FFF0F1;
  --black: #111111;
  --gray-900: #1A1A1A;
  --gray-800: #2D2D2D;
  --gray-700: #4A4A4A;
  --gray-500: #8A8A8A;
  --gray-300: #D1D1D1;
  --gray-100: #F5F5F5;
  --white: #FFFFFF;
  --green: #00B578;
  --blue: #1677FF;
}

/* ===== Keyframes ===== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== Scroll Animation ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5vw;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--gray-100);
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-900);
  border-radius: 6px;
  transition: all 0.2s ease;
}

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

.nav-links a.active {
  color: var(--red);
  font-weight: 600;
  background: var(--red-light);
}

.nav-cta {
  background: var(--red);
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--red-dark);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, var(--red-light) 0%, #fff 100%);
  border-radius: 0 0 0 80px;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red-light);
  color: var(--red);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s 0.1s forwards;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s 0.3s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  opacity: 0;
  transform: scale(0.95);
  animation: fadeInUp 0.5s 0.5s forwards;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--gray-500);
}

.hero-trust span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(230, 0, 18, 0.3);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 0, 18, 0.4);
}

.btn-lg {
  padding: 18px 48px;
  font-size: 18px;
  border-radius: 10px;
}

.btn-white {
  background: var(--white);
  color: var(--red);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red);
  padding: 12px 32px;
}

.btn-outline:hover {
  background: var(--red);
  color: var(--white);
}

.btn-link {
  color: var(--red);
  font-weight: 500;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-link:hover {
  gap: 8px;
}

/* ===== Section Headers ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red-light);
  color: var(--red);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-700);
  max-width: 640px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ===== Cards ===== */
.card-grid {
  display: grid;
  gap: 24px;
}

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

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

.feature-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transform: translateY(-6px);
}

.feature-card .card-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
}

.feature-card .card-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
}

/* Platform Cards */
.platform-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.platform-card:hover {
  border-color: var(--red);
  box-shadow: 0 4px 20px rgba(230, 0, 18, 0.1);
}

.platform-card .platform-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
}

.platform-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.platform-card .platform-meta {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.platform-card .platform-desc {
  font-size: 14px;
  color: var(--gray-700);
  margin-bottom: 20px;
}

.platform-card .install-steps {
  text-align: left;
  font-size: 13px;
  color: var(--gray-700);
  margin-bottom: 20px;
  padding: 12px;
  background: var(--gray-100);
  border-radius: 8px;
}

.platform-card .install-steps ol {
  padding-left: 16px;
  margin: 0;
}

.platform-card .install-steps li {
  margin-bottom: 4px;
}

/* Review Cards */
.review-card {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.review-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.review-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}

.review-stars svg {
  width: 18px;
  height: 18px;
}

.review-text {
  font-size: 15px;
  color: var(--gray-800);
  line-height: 1.7;
  margin-bottom: 16px;
}

.review-author {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}

/* ===== Data Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-size: 56px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Comparison Table ===== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: left;
  font-size: 15px;
}

.comparison-table thead th {
  background: var(--black);
  color: var(--white);
  font-weight: 600;
}

.comparison-table thead th:first-child {
  width: 30%;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.2s;
}

.comparison-table tbody tr:hover {
  background: var(--gray-100);
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table td:first-child {
  font-weight: 500;
  color: var(--gray-900);
}

.comparison-table .highlight {
  color: var(--red);
  font-weight: 600;
}

.comparison-table .check {
  color: var(--green);
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--red);
}

.faq-item.active {
  border-color: var(--red);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-900);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--gray-500);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--red);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  opacity: 1;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.8;
}

/* ===== Feature Detail (Image + Text alternating) ===== */
.feature-detail {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 80px 0;
}

.feature-detail:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-detail-image {
  flex: 1;
}

.feature-detail-image img {
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.feature-detail-content {
  flex: 1;
}

.feature-detail-content h3 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.feature-detail-content p {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.8;
}

/* ===== Download Hero ===== */
.download-hero {
  background: linear-gradient(135deg, var(--red) 0%, #FF4757 100%);
  color: var(--white);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.download-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.download-hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
}

.download-hero-content {
  flex: 1;
}

.download-hero-content .section-label {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.download-hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.download-hero-meta {
  font-size: 15px;
  opacity: 0.9;
  margin-bottom: 24px;
}

.download-hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.download-hero-image img {
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  max-width: 100%;
}

/* ===== Version Log ===== */
.version-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.version-item {
  background: var(--white);
  border-radius: 12px;
  padding: 24px 28px;
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.version-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.version-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.version-number {
  font-size: 18px;
  font-weight: 700;
  color: var(--red);
}

.version-date {
  font-size: 13px;
  color: var(--gray-500);
}

.version-changes {
  list-style: none;
  padding: 0;
}

.version-changes li {
  font-size: 14px;
  color: var(--gray-700);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.version-changes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
}

/* ===== Install Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--white);
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--red);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.6;
}

/* macOS install steps */
.mac-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ===== System Requirements Table ===== */
.sysreq-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sysreq-table th,
.sysreq-table td {
  padding: 14px 20px;
  text-align: left;
  font-size: 14px;
}

.sysreq-table thead th {
  background: var(--black);
  color: var(--white);
  font-weight: 600;
}

.sysreq-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
}

.sysreq-table tbody tr:hover {
  background: var(--gray-100);
}

/* ===== Security Cards ===== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.security-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.security-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.security-card .security-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.security-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.security-card p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--red) 0%, #FF4757 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

/* ===== SEO Content ===== */
.seo-content {
  padding: 80px 0;
}

.seo-content .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.seo-text {
  flex: 1;
}

.seo-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
}

.seo-text p {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.9;
  margin-bottom: 16px;
}

.seo-text strong {
  color: var(--red);
  font-weight: 600;
}

.seo-image {
  flex: 1;
}

.seo-image img {
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== Advantage Cards ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.advantage-card .adv-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--red);
}

.advantage-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.6;
}

/* ===== Tips Cards ===== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tip-card {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.tip-card:hover {
  border-color: var(--red);
  box-shadow: 0 4px 20px rgba(230, 0, 18, 0.08);
}

.tip-card .tip-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--red);
  color: var(--white);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tip-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tip-card p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 48px 0 32px;
}

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

.footer-verify {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
}

.footer-verify svg {
  width: 20px;
  height: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

/* ===== Star Rating SVG ===== */
.star-filled {
  fill: var(--red);
  color: var(--red);
}

.star-empty {
  fill: var(--gray-300);
  color: var(--gray-300);
}

/* ===== Mobile Menu ===== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-900);
  transition: all 0.3s;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 48px;
  }

  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .feature-detail,
  .feature-detail:nth-child(even) {
    flex-direction: column;
    gap: 40px;
  }

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

  .download-hero .container {
    flex-direction: column;
    text-align: center;
  }

  .download-hero-image {
    display: none;
  }

  .seo-content .container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 56px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-trust {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-image {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 32px;
  }

  .card-grid-3,
  .card-grid-4,
  .card-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .stat-number {
    font-size: 36px;
  }

  .comparison-table {
    font-size: 13px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }

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

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

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

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

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

  .download-hero-title {
    font-size: 32px;
  }

  .feature-detail-content h3 {
    font-size: 24px;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .section-title {
    font-size: 26px;
  }

  .btn-lg {
    padding: 14px 32px;
    font-size: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

/* ===== Print ===== */
@media print {
  .navbar,
  .footer {
    display: none;
  }
}