/*
 * MyBnBDesign Shared Stylesheet
 * Brand Design System
 * Author: MyBnBDesign Team
 */

/* ============================================
   1. CSS Custom Properties
   ============================================ */

:root {
  /* Brand Colors */
  --color-primary: #2C3E50;
  --color-primary-light: #34495E;
  --color-primary-dark: #1A252F;
  --color-accent: #E67E22;
  --color-accent-light: #F39C12;
  --color-accent-dark: #D35400;
  --color-light: #ECF0F1;
  --color-white: #FFFFFF;
  --color-text: #2C3E50;
  --color-text-light: #7F8C8D;
  --color-text-muted: #95A5A6;
  --color-border: #BDC3C7;
  --color-success: #27AE60;
  --color-error: #E74C3C;
  --color-warning: #F39C12;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* 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-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* 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;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 2px 12px rgba(44, 62, 80, 0.08);
  --shadow-card-hover: 0 8px 30px rgba(44, 62, 80, 0.15);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --nav-height: 72px;
}


/* ============================================
   2. Reset / Normalize
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

fieldset {
  border: none;
}


/* ============================================
   3. Typography Scale
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-primary);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

h4 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

h5 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

h6 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

small,
.text-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.text-xs {
  font-size: var(--text-xs);
}

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

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

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

strong,
.font-bold {
  font-weight: var(--font-bold);
}

.font-semibold {
  font-weight: var(--font-semibold);
}

.font-medium {
  font-weight: var(--font-medium);
}

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

.text-muted {
  color: var(--color-text-muted);
}

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

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

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  background: var(--color-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-primary-light);
}


/* ============================================
   4. Layout Utilities
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

/* 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);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

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

.flex-wrap {
  flex-wrap: wrap;
}

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

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

.flex-start {
  display: flex;
  align-items: flex-start;
}

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

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }


/* ============================================
   5. Button Styles
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary */
.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Outline */
.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline:active {
  transform: translateY(0);
}

/* Outline Secondary */
.btn-outline-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}

/* Button Full Width */
.btn-block {
  display: flex;
  width: 100%;
}


/* ============================================
   6. Card Component
   ============================================ */

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

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

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-light);
  background-color: rgba(236, 240, 241, 0.3);
}

/* Card Variants */
.card-flat {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.card-flat:hover {
  box-shadow: var(--shadow-md);
}

.card-accent {
  border-top: 4px solid var(--color-accent);
}


/* ============================================
   7. Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  text-decoration: none;
}

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

.navbar-brand img {
  height: 40px;
  width: auto;
}

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

.nav-links a {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

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

.nav-cta {
  margin-left: var(--space-4);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Body offset for fixed nav */
.has-navbar {
  padding-top: var(--nav-height);
}


/* ============================================
   8. Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(44, 62, 80, 0.85) 0%,
    rgba(44, 62, 80, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: var(--space-8) var(--space-6);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.hero p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.hero .btn {
  margin: 0 var(--space-2);
}

/* Hero Compact Variant */
.hero-compact {
  min-height: 50vh;
}

/* Hero with image side-by-side */
.hero-split {
  text-align: left;
}

.hero-split .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}


/* ============================================
   9. Section Spacing
   ============================================ */

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

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

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

.section-light {
  background-color: var(--color-light);
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section-header p {
  color: var(--color-text-light);
  font-size: var(--text-lg);
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

.section-divider {
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  margin: var(--space-4) auto;
  border-radius: var(--radius-full);
}


/* ============================================
   10. Footer
   ============================================ */

.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 300px;
}

.footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  transition: background-color var(--transition-fast);
}

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


/* ============================================
   11. Form Input Styles
   ============================================ */

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

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

.form-input,
.form-textarea,
.form-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

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

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237F8C8D' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-1);
}

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

.form-input.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

/* Input Group */
.input-group {
  display: flex;
  gap: 0;
}

.input-group .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}


/* ============================================
   12. Animation Keyframes
   ============================================ */

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease both;
}

.animate-slide-up {
  animation: slideUp 0.6s ease both;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease both;
}

.animate-slide-down {
  animation: slideDown 0.5s ease both;
}

/* Staggered animation delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }


/* ============================================
   13. Utility Classes
   ============================================ */

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }

/* Padding */
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 640px; }
.max-w-lg { max-width: 800px; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }

/* Border Radius */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Background */
.bg-white { background-color: var(--color-white); }
.bg-light { background-color: var(--color-light); }
.bg-primary { background-color: var(--color-primary); }
.bg-accent { background-color: var(--color-accent); }

/* Misc */
.mx-auto { margin-left: auto; margin-right: auto; }
.img-cover { object-fit: cover; width: 100%; height: 100%; }
.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;
}


/* ============================================
   14. Media Queries
   ============================================ */

/* Tablet: 768px */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
  }

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

  .hero {
    min-height: 60vh;
  }

  .hero-split .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  /* Mobile Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-8) var(--space-8);
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    gap: var(--space-5);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-4);
  }

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

  .section-lg {
    padding: var(--space-16) 0;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .hide-tablet {
    display: none;
  }
}

/* Mobile: 480px */
@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --text-2xl: 1.25rem;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

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

  .hero {
    min-height: 50vh;
  }

  .hero .btn {
    display: flex;
    width: 100%;
    margin: var(--space-2) 0;
  }

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

  .btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-base);
  }

  .section {
    padding: var(--space-10) 0;
  }

  .hide-mobile {
    display: none;
  }
}


/* ============================================
   15. Print Styles
   ============================================ */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }

  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  h2, h3 {
    page-break-after: avoid;
  }

  p {
    orphans: 3;
    widows: 3;
  }

  .navbar,
  .nav-toggle,
  .footer-social,
  .btn {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }
}


/* ============================================
   16. Focus & Accessibility
   ============================================ */

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

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-semibold);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  color: var(--color-white);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (forced-colors: active) {
  .btn {
    border: 2px solid currentColor;
  }

  .card {
    border: 1px solid currentColor;
  }

  .form-input,
  .form-textarea,
  .form-select {
    border: 1px solid currentColor;
  }
}