@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Tajawal:wght@400;500;700;800&display=swap');

:root {
  --font-main: 'Tajawal', 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Cairo', 'Tajawal', sans-serif;

  --color-primary: #0066cc;
  --color-primary-dark: #004d99;
  --color-primary-light: #e6f0fa;
  --color-primary-subtle: #f0f7ff;
  --color-secondary: #0a2540;
  --color-secondary-light: #1e3a5f;
  --color-accent: #00a896;
  --color-accent-light: #e6f7f5;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-success: #16a34a;
  --color-success-light: #dcfce7;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --container-width: 1240px;
  --header-height: 76px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #0b1120;
  --color-surface: #131f37;
  --color-surface-elevated: #1c2b4a;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-light: #64748b;
  --color-border: #243556;
  --color-border-hover: #3b527e;
  --color-primary-light: #162a4a;
  --color-primary-subtle: #0f2038;
  --color-accent-light: #0d3835;
  --color-warning-light: #3d2305;
  --color-danger-light: #451010;
  --color-success-light: #0d3319;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-main);
  font-size: 16px;
  scroll-behavior: smooth;
  direction: rtl;
  text-align: right;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

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

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

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

[data-theme="dark"] .site-header {
  background: rgba(19, 31, 55, 0.95);
}

.header-top-bar {
  background-color: var(--color-secondary);
  color: #ffffff;
  font-size: 0.8125rem;
  padding: 0.4rem 0;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.emergency-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(220, 38, 38, 0.25);
  border: 1px solid #ef4444;
  color: #ffffff;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-weight: 800;
  font-size: 1.25rem;
  font-family: var(--font-heading);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(0, 102, 204, 0.25);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--color-border);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4rem 0 3.5rem;
  background: linear-gradient(180deg, var(--color-primary-subtle) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0, 102, 204, 0.2);
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  color: var(--color-secondary);
}

[data-theme="dark"] .hero-title {
  color: #f8fafc;
}

.hero-title span {
  color: var(--color-primary);
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-meta-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.hero-meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero-card-container {
  position: relative;
}

.clinical-trust-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.trust-badge-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 102, 204, 0.35);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-accent:hover {
  background: #008f80;
  color: #ffffff;
}

.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: #b91c1c;
  color: #ffffff;
}

/* Sections */
.section-py {
  padding: 4.5rem 0;
}

.section-title-wrap {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: 2.15rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

[data-theme="dark"] .section-heading {
  color: #ffffff;
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Medical Alert Box */
.medical-alert {
  background: var(--color-warning-light);
  border-right: 4px solid var(--color-warning);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--color-text);
}

.medical-alert.danger {
  background: var(--color-danger-light);
  border-right-color: var(--color-danger);
}

.medical-alert.info {
  background: var(--color-primary-light);
  border-right-color: var(--color-primary);
}

.medical-alert.success {
  background: var(--color-success-light);
  border-right-color: var(--color-success);
}

/* Clinical Cards */
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  flex-grow: 1;
}

/* Interactive Medical Checker */
.checker-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  max-width: 860px;
  margin: 0 auto;
}

.checker-step {
  display: none;
}

.checker-step.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.checker-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.option-btn {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  text-align: right;
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
  width: 100%;
}

.option-btn:hover, .option-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* City Grid & Cards */
.city-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
}

.city-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateX(-4px);
}

.city-info h4 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.city-info span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Interactive City Switcher & Preview Panel */
.city-switcher-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.city-pill-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.city-pill-btn {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.city-pill-btn:hover, .city-pill-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.city-preview-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 1.5rem;
  text-align: right;
  animation: fadeIn 0.3s ease;
}

.city-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.city-hospitals-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.hospital-tag {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text);
}

/* Blog Article Layout */
.article-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.article-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.toc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.toc-list {
  list-style: none;
  font-size: 0.875rem;
}

.toc-item {
  margin-bottom: 0.6rem;
}

.toc-link {
  color: var(--color-text-muted);
  display: block;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.toc-link:hover, .toc-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 700;
}

.article-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.article-content h2 {
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-secondary);
}

[data-theme="dark"] .article-content h2 {
  color: #ffffff;
}

.article-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.article-content p {
  margin-bottom: 1.25rem;
  line-height: 1.9;
  font-size: 1.05rem;
}

.article-content ul, .article-content ol {
  margin: 1.25rem 2rem 1.5rem 0;
  line-height: 1.8;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-author-card {
  background: var(--color-primary-light);
  border: 1px solid rgba(0, 102, 204, 0.15);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 3rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.author-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 2rem;
}

/* FAQ Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  user-select: none;
}

.accordion-header:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.accordion-icon {
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.accordion-item.active .accordion-body {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 1rem 0;
}

.breadcrumb-separator {
  color: var(--color-text-light);
}

/* Floating WhatsApp Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #25d366;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  background: #20bd5a;
  color: #ffffff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Footer */
.site-footer {
  background: var(--color-secondary);
  color: #94a3b8;
  margin-top: auto;
  border-top: 1px solid var(--color-secondary-light);
  font-size: 0.9rem;
}

.footer-top {
  padding: 4rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-title {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #cbd5e1;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(-4px);
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: #94a3b8;
}

.footer-disclaimer-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: #cbd5e1;
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  height: 3px;
  background: var(--color-primary);
  width: 0%;
  z-index: 99;
  transition: width 0.1s;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-container {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .hero-title {
    font-size: 2rem;
  }
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .hero-meta-points {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .floating-whatsapp {
    bottom: 16px;
    left: 16px;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}