/* =====================================================
   TechWave · 天元科技
   Neo-Tokyo Noir Aesthetic
   ===================================================== */

/* CSS Variables */
:root {
  /* Colors - Noir Palette */
  --color-ink: #0a0a0f;
  --color-deep: #12121a;
  --color-surface: #1a1a24;
  --color-border: #2a2a36;

  /* Text Colors */
  --color-paper: #e8e4dc;
  --color-muted: #8a8678;
  --color-crimson: #dc143c;
  --color-gold: #b8860b;
  --color-gold-light: #d4a843;

  /* Typography */
  --font-serif: 'Noto Serif SC', serif;
  --font-sans: 'Noto Sans SC', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-paper);
  background-color: var(--color-ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
  background: var(--color-crimson);
  color: var(--color-paper);
}

/* Noise Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  z-index: 9999;
}

/* =====================================================
   Navigation
   ===================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  z-index: 1000;
  transition: all 0.5s var(--ease-out);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-kanji {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-paper);
  letter-spacing: 0.1em;
}

.logo-text {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav-links a {
  position: relative;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease-out);
}

.nav-links a::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-paper);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.4s var(--ease-out);
}

.nav-links a:hover {
  color: var(--color-paper);
}

.nav-links a:hover::before {
  clip-path: inset(0 0 0 0);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-crimson);
  transition: width 0.3s var(--ease-out);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-paper);
  transition: all 0.3s var(--ease-out);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--space-xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Ink Splash Effect */
.ink-splash {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse at center,
    rgba(220, 20, 60, 0.08) 0%,
    transparent 60%);
  filter: blur(60px);
  animation: ink-float 20s ease-in-out infinite;
}

@keyframes ink-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 5%) scale(1.1); }
}

/* Grid Overlay */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(42, 42, 54, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 42, 54, 0.3) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xl);
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Vertical Text */
.hero-vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-lg);
}

.hero-vertical span {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.2em;
  animation: fade-char 0.6s var(--ease-out) backwards;
}

.hero-vertical span:nth-child(1) { animation-delay: 0.4s; }
.hero-vertical span:nth-child(2) { animation-delay: 0.5s; }
.hero-vertical span:nth-child(3) { animation-delay: 0.6s; }
.hero-vertical span:nth-child(4) { animation-delay: 0.7s; }

@keyframes fade-char {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* Hero Main */
.hero-main {
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.02em;
  animation: title-reveal 1s var(--ease-out) backwards;
}

.title-line-1 {
  color: var(--color-paper);
  animation-delay: 0.2s;
}

.title-line-2 {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-crimson);
  animation-delay: 0.4s;
}

@keyframes title-reveal {
  from {
    opacity: 0;
    transform: translateY(40px);
    filter: blur(10px);
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  animation: fade-up 0.8s var(--ease-out) backwards;
  animation-delay: 0.6s;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  animation: fade-up 0.8s var(--ease-out) backwards;
  animation-delay: 0.8s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.btn-primary {
  background: var(--color-crimson);
  color: var(--color-paper);
}

.btn-primary:hover {
  background: #b8102f;
  transform: translateX(4px);
}

.btn-primary svg {
  transition: transform 0.3s var(--ease-out);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-outline {
  background: transparent;
  color: var(--color-paper);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-paper);
  background: rgba(232, 228, 220, 0.05);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-lg);
}

.stat-item {
  animation: fade-up 0.8s var(--ease-out) backwards;
}

.stat-item:nth-child(1) { animation-delay: 0.9s; }
.stat-item:nth-child(2) { animation-delay: 1s; }
.stat-item:nth-child(3) { animation-delay: 1.1s; }

.stat-value {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-paper);
  line-height: 1;
}

.stat-plus, .stat-unit {
  font-size: 1rem;
  color: var(--color-crimson);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

/* Scroll Hint */
.scroll-hint {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: fade-up 0.8s var(--ease-out) backwards;
  animation-delay: 1.2s;
}

.scroll-hint span {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-crimson), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* =====================================================
   Sections Base
   ===================================================== */
.section {
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header--left {
  text-align: left;
}

.section-number {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-crimson);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-paper);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* =====================================================
   Products Section
   ===================================================== */
.section-products {
  background: var(--color-deep);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.product-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-crimson), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.product-card:hover::before {
  transform: translateX(100%);
}

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

/* Featured Card */
.product-card--featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--color-surface), rgba(220, 20, 60, 0.05));
  border-color: var(--color-crimson);
}

.product-card--featured::before {
  display: none;
}

.card-ornament {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 60px;
  height: 60px;
  border: 1px solid var(--color-gold);
  opacity: 0.3;
  transform: rotate(45deg);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  color: var(--color-crimson);
}

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

.card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-paper);
  margin-bottom: var(--space-md);
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.card-tags {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.card-tags span {
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(220, 20, 60, 0.1);
  border: 1px solid rgba(220, 20, 60, 0.3);
  color: var(--color-crimson);
}

/* =====================================================
   Services Section
   ===================================================== */
.services-layout {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.services-featured {
  grid-row: span 2;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: all 0.4s var(--ease-out);
}

.service-card:hover {
  border-color: var(--color-muted);
}

.service-card--large {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-number {
  font-size: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-lg);
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-paper);
  margin-bottom: var(--space-md);
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.service-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.service-features li {
  font-size: 0.875rem;
  color: var(--color-paper);
  padding-left: var(--space-md);
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-crimson);
}

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

.service-card .service-icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
}

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

.service-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-paper);
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* =====================================================
   About Section
   ===================================================== */
.section-about {
  background: var(--color-ink);
}

.about-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-text {
  margin-bottom: var(--space-xl);
}

.about-lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-paper);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-text p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-values {
  display: flex;
  gap: var(--space-xl);
}

.value-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.value-kanji {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-paper);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.value-item:hover .value-kanji {
  border-color: var(--color-crimson);
  color: var(--color-crimson);
}

.value-text {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
}

/* Visual Frame */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-frame {
  position: relative;
  width: 300px;
  height: 300px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-grid {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.visual-grid span {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.visual-frame:hover .visual-grid span {
  border-color: var(--color-muted);
}

.visual-frame:hover .visual-grid span:nth-child(5) {
  background: var(--color-crimson);
  border-color: var(--color-crimson);
}

.visual-text {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--space-lg);
}

.visual-text span {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-paper);
  writing-mode: vertical-rl;
}

/* =====================================================
   Contact Section
   ===================================================== */
.section-contact {
  background: var(--color-deep);
}

.contact-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-paper);
  transition: all 0.3s var(--ease-out);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-crimson);
}

.form-group select {
  cursor: pointer;
}

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

.btn-submit {
  align-self: flex-start;
  margin-top: var(--space-md);
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  justify-content: center;
}

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

.info-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.info-value {
  font-size: 0.9375rem;
  color: var(--color-paper);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
  background: var(--color-ink);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

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

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  transition: all 0.3s var(--ease-out);
}

.footer-social a:hover {
  border-color: var(--color-crimson);
  color: var(--color-crimson);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  max-width: 1400px;
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* =====================================================
   Animations
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease-out);
}

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

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

  .hero-vertical {
    display: none;
  }

  .hero-stats {
    flex-direction: row;
    gap: var(--space-xl);
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: var(--space-lg);
  }

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

  .services-featured {
    grid-row: auto;
  }

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

  .about-visual {
    order: -1;
  }

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

@media (max-width: 768px) {
  .nav {
    padding: var(--space-md) var(--space-lg);
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-ink);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    transform: translateX(-100%);
    transition: transform 0.4s var(--ease-out);
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    padding: var(--space-2xl) var(--space-lg);
  }

  .title-line {
    font-size: 2.5rem;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .product-card--featured {
    grid-column: span 1;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Print */
@media print {
  body::before {
    display: none;
  }

  .nav, .scroll-hint {
    display: none;
  }

  .hero {
    min-height: auto;
  }
}