/* =====================================================
   DAEGI HIGHTECH - Corporate Industrial Design System
   ===================================================== */

/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* =====================================================
   CSS Custom Properties (Design Tokens)
   ===================================================== */
:root {
  /* Primary Colors - Industrial Navy */
  --color-primary: #1E3A5F;
  --color-primary-light: #2E4A6F;
  --color-primary-dark: #0E2A4F;

  /* Accent Colors - Safety Orange */
  --color-accent: #E85D04;
  --color-accent-light: #F77F00;
  --color-accent-dark: #D45103;

  /* Steel Gray Scale */
  --color-steel-50: #F8FAFC;
  --color-steel-100: #F1F5F9;
  --color-steel-200: #E2E8F0;
  --color-steel-300: #CBD5E1;
  --color-steel-400: #94A3B8;
  --color-steel-500: #64748B;
  --color-steel-600: #475569;
  --color-steel-700: #334155;
  --color-steel-800: #1E293B;
  --color-steel-900: #0F172A;

  /* Functional Colors */
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;

  /* Background Colors */
  --color-bg-light: #F8FAFC;
  --color-bg-dark: #0F172A;

  /* Typography */
  --font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Nanum Gothic Coding', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Container */
  --container-max: 1280px;
  --container-padding: var(--space-6);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Header Height */
  --header-height: 80px;
}

/* =====================================================
   Base Typography
   ===================================================== */
body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--color-steel-800);
  background-color: white;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--color-steel-900);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  color: var(--color-steel-600);
  line-height: 1.7;
}

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

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

/* =====================================================
   Layout Utilities
   ===================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

/* Flexbox */
.flex {
  display: flex;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* =====================================================
   Header & Navigation
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: transparent;
  z-index: 1000;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: white;
  transition: color var(--transition-normal);
}

.header.scrolled .logo-text {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header.scrolled .nav-link {
  color: var(--color-steel-700);
}

.header.scrolled .nav-link:hover {
  color: var(--color-primary);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-6);
  padding-left: var(--space-6);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.header.scrolled .lang-switch {
  border-left-color: var(--color-steel-300);
}

.lang-switch a {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-1) var(--space-2);
}

.lang-switch a.active {
  color: white;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

.header.scrolled .lang-switch a {
  color: var(--color-steel-500);
}

.header.scrolled .lang-switch a.active {
  color: white;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  margin: 5px 0;
  transition: var(--transition-fast);
}

.header.scrolled .menu-toggle span {
  background: var(--color-steel-700);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.85) 0%,
    rgba(30, 58, 95, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  padding: var(--space-8);
}

.hero-subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: var(--font-black);
  color: white;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-description {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: white;
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

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

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

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

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-base);
}

/* =====================================================
   Section Headers
   ===================================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
}

/* Industrial accent line */
.section-header::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin: var(--space-6) auto 0;
}

/* =====================================================
   Product Cards
   ===================================================== */
.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.product-card-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-body {
  padding: var(--space-6);
}

.product-card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.product-card-description {
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.product-card-link {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.product-card-link::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.product-card-link:hover::after {
  transform: translateX(4px);
}

/* =====================================================
   Value Propositions
   ===================================================== */
.values-section {
  background: var(--color-steel-50);
}

.value-card {
  text-align: center;
  padding: var(--space-8);
}

.value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-5);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon svg {
  width: 40px;
  height: 40px;
  stroke: white;
  stroke-width: 1.5;
  fill: none;
}

.value-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.value-description {
  font-size: var(--text-sm);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
  background: var(--color-steel-900);
  color: white;
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo img {
  height: 40px;
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: white;
}

.footer-tagline {
  color: var(--color-accent);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
}

.footer-description {
  font-size: var(--text-sm);
  color: var(--color-steel-400);
  line-height: 1.7;
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-steel-300);
  margin-bottom: var(--space-5);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-steel-400);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-steel-400);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-accent);
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-steel-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-steel-500);
}

.footer-registration {
  font-size: var(--text-sm);
  color: var(--color-steel-500);
}

/* =====================================================
   Contact Form
   ===================================================== */
.contact-section {
  background: var(--color-steel-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-form {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-steel-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 2px solid var(--color-steel-200);
  border-radius: var(--radius-md);
  background: white;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
  display: none;
}

.form-error.show {
  display: block;
}

.form-status {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
}

.form-status.show {
  display: block;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.contact-info {
  padding: var(--space-8);
}

.contact-info-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.contact-info-label {
  font-size: var(--text-sm);
  color: var(--color-steel-500);
  margin-bottom: var(--space-1);
}

.contact-info-value {
  font-size: var(--text-base);
  color: var(--color-steel-800);
  font-weight: var(--font-medium);
}

/* =====================================================
   Product Pages
   ===================================================== */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  background-size: cover;
  background-position: center;
  min-height: 400px;
  display: flex;
  align-items: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.9) 0%,
    rgba(30, 58, 95, 0.8) 100%
  );
}

.page-hero-content {
  position: relative;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: white;
  margin-bottom: var(--space-4);
}

.page-hero-description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb-current {
  color: var(--color-accent);
}

/* Product List */
.product-list {
  display: grid;
  gap: var(--space-8);
}

.product-item {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-8);
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.product-item-image {
  height: 100%;
  min-height: 250px;
}

.product-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-item-content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-item-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.product-item-specs {
  list-style: none;
  margin-bottom: var(--space-4);
}

.product-item-specs li {
  font-size: var(--text-sm);
  color: var(--color-steel-600);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-steel-100);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.product-item-specs li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* Catalog Cards */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.catalog-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-card-image {
  height: 200px;
  background: var(--color-steel-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.catalog-card-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.catalog-card-body {
  padding: var(--space-5);
}

.catalog-card-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.catalog-card-description {
  font-size: var(--text-sm);
  color: var(--color-steel-500);
  margin-bottom: var(--space-4);
}

/* =====================================================
   About Page
   ===================================================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-text h3 {
  margin-bottom: var(--space-4);
}

.about-text p {
  margin-bottom: var(--space-4);
}

/* =====================================================
   Responsive Styles
   ===================================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }

  .product-item {
    grid-template-columns: 1fr;
  }

  .product-item-image {
    height: 250px;
  }

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }

  .nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    gap: 0;
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    color: var(--color-steel-700);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-steel-100);
    width: 100%;
  }

  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: var(--space-4);
  }

  .lang-switch a {
    color: var(--color-steel-600);
  }

  .menu-toggle {
    display: block;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

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

@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-4);
  }

  .section {
    padding: var(--space-12) 0;
  }

  .btn {
    width: 100%;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-description {
    font-size: var(--text-base);
  }
}

/* =====================================================
   Utility Classes
   ===================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-light { background-color: var(--color-steel-50); }
.bg-dark { background-color: var(--color-steel-900); }
.bg-primary { background-color: var(--color-primary); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-8 { margin-top: var(--space-8); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}