/* ============================================
   QA Network — Professional Stylesheet
   ============================================ */

:root {
  --color-bg: #0a0f1a;
  --color-bg-alt: #111827;
  --color-surface: #1a2332;
  --color-surface-hover: #222d3d;
  --color-border: #2a3544;
  --color-primary: #00a8e8;
  --color-primary-dark: #0088c2;
  --color-accent: #00d4aa;
  --color-gradient-start: #00a8e8;
  --color-gradient-end: #00d4aa;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-heading: #f1f5f9;
  --color-white: #ffffff;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --color-success: #10b981;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 168, 232, 0.15);

  --nav-height: 72px;
  --container-max: 1200px;
}

/* ---- Reset & Base ---- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }
h4 { font-size: 1rem; }

/* ---- Utilities ---- */

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-primary-dark));
  color: var(--color-white);
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-gradient-start));
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 168, 232, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

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

.btn-white {
  background: var(--color-white);
  color: var(--color-bg);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--color-text);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.15);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

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

/* ---- Navigation ---- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 15, 26, 0.95);
  box-shadow: var(--shadow-md);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-white);
  font-size: 1.35rem;
  font-weight: 800;
}

.nav-brand:hover {
  color: var(--color-white);
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: 1.1rem;
}

.brand-accent {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-menu a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-menu a:hover {
  color: var(--color-white);
}

.nav-menu .btn {
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---- Hero ---- */

.hero {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 168, 232, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 168, 232, 0.1);
  border: 1px solid rgba(0, 168, 232, 0.25);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Hero Visual / Code Block */

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-graphic {
  position: relative;
  width: 100%;
  max-width: 460px;
}

.code-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.code-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--color-border);
}

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

.dot-red { background: var(--color-danger); }
.dot-yellow { background: var(--color-warning); }
.dot-green { background: var(--color-success); }

.code-title {
  margin-left: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.code-body {
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  overflow-x: auto;
}

.code-body code {
  font-family: inherit;
}

.code-body .kw { color: #c678dd; }
.code-body .fn { color: #61dafb; }
.code-body .str { color: #98c379; }
.code-body .num { color: #d19a66; }

.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}

.badge-1 {
  top: -10px;
  right: -20px;
  color: var(--color-success);
  animation-delay: 0s;
}

.badge-2 {
  bottom: 60px;
  left: -30px;
  color: var(--color-primary);
  animation-delay: 2s;
}

.badge-3 {
  bottom: -10px;
  right: 20px;
  color: var(--color-accent);
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---- Sections (shared) ---- */

.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 168, 232, 0.1);
  border: 1px solid rgba(0, 168, 232, 0.2);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

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

.section-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* ---- About ---- */

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

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.about-card {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.about-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.about-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(0, 168, 232, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: var(--space-lg);
}

.about-card h3 {
  margin-bottom: var(--space-sm);
}

.about-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---- Services ---- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(0, 168, 232, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: var(--space-lg);
}

.service-card h3 {
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.service-tags li {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 168, 232, 0.08);
  border: 1px solid rgba(0, 168, 232, 0.15);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* ---- Blog ---- */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.blog-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.blog-image {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, rgba(0, 168, 232, 0.15), rgba(0, 212, 170, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-image-placeholder {
  font-size: 3rem;
  color: rgba(0, 168, 232, 0.3);
}

.blog-category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(10, 15, 26, 0.8);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-content {
  padding: var(--space-xl);
}

.blog-date {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog-content h3 {
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.blog-content h3 a {
  color: var(--color-text-heading);
  transition: color 0.2s ease;
}

.blog-content h3 a:hover {
  color: var(--color-primary);
}

.blog-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.blog-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.blog-link:hover {
  color: var(--color-accent);
}

.blog-link i {
  transition: transform 0.2s ease;
}

.blog-link:hover i {
  transform: translateX(4px);
}

/* ---- Contact ---- */

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info .section-tag {
  margin-bottom: var(--space-md);
}

.contact-info h2 {
  margin-bottom: var(--space-lg);
  text-align: left;
}

.contact-info > p {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-item i {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 168, 232, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-heading);
  margin-bottom: 2px;
}

.contact-item a,
.contact-item span {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: all 0.25s ease;
}

.social-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Contact Form */

.contact-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.contact-form h3 {
  margin-bottom: var(--space-xl);
  font-size: 1.25rem;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.15);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ---- CTA Banner ---- */

.section-cta-banner {
  padding: var(--space-2xl) 0;
}

.cta-banner {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
}

.cta-content h2 {
  margin-bottom: var(--space-sm);
  font-size: 1.6rem;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  max-width: 520px;
}

/* ---- Footer ---- */

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-links h4 {
  color: var(--color-text-heading);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

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

/* ---- Scroll Animation ---- */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-visual {
    display: none;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    background: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    gap: var(--space-xs);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-menu a {
    display: block;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .nav-menu a:hover {
    background: var(--color-surface);
  }

  .nav-menu .btn {
    text-align: center;
    margin-top: var(--space-md);
  }

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

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

  .hero-stats {
    gap: var(--space-xl);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .cta-banner {
    padding: var(--space-2xl);
  }
}

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

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

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
}