/* ==============================================
   MEKONG AGENCY - M3 DESIGN SYSTEM
   Material Design 3 Expressive for Marketing Agency
   ============================================== */

/* ===== IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Google+Sans+Text:wght@400;500&display=swap');

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Primary - Mekong Teal */
  --md-sys-color-primary: #006A60;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #74F8E5;
  --md-sys-color-on-primary-container: #00201C;

  /* Secondary - Sa Đéc Gold */
  --md-sys-color-secondary: #9C6800;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #FFDEA6;
  --md-sys-color-on-secondary-container: #321B00;

  /* Tertiary - Accent Purple */
  --md-sys-color-tertiary: #6750A4;
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: #EADDFF;
  --md-sys-color-on-tertiary-container: #21005E;

  /* Error */
  --md-sys-color-error: #BA1A1A;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #FFDAD6;
  --md-sys-color-on-error-container: #410002;

  /* Surface */
  --md-sys-color-surface: #FAFDFC;
  --md-sys-color-on-surface: #191C1B;
  --md-sys-color-surface-variant: #DAE5E2;
  --md-sys-color-on-surface-variant: #3F4946;
  --md-sys-color-surface-container: #EDEFEE;
  --md-sys-color-surface-container-high: #E7E9E8;
  --md-sys-color-surface-container-highest: #E1E3E2;

  /* Outline */
  --md-sys-color-outline: #6F7976;
  --md-sys-color-outline-variant: #BEC9C6;

  /* Inverse */
  --md-sys-color-inverse-surface: #2E3130;
  --md-sys-color-inverse-on-surface: #EFF1F0;
  --md-sys-color-inverse-primary: #54DBC9;

  /* Typography */
  --md-sys-typescale-display-large: 500 57px/64px 'Google Sans', sans-serif;
  --md-sys-typescale-display-medium: 500 45px/52px 'Google Sans', sans-serif;
  --md-sys-typescale-display-small: 500 36px/44px 'Google Sans', sans-serif;
  --md-sys-typescale-headline-large: 500 32px/40px 'Google Sans', sans-serif;
  --md-sys-typescale-headline-medium: 500 28px/36px 'Google Sans', sans-serif;
  --md-sys-typescale-headline-small: 500 24px/32px 'Google Sans', sans-serif;
  --md-sys-typescale-title-large: 500 22px/28px 'Google Sans', sans-serif;
  --md-sys-typescale-title-medium: 500 16px/24px 'Google Sans Text', sans-serif;
  --md-sys-typescale-title-small: 500 14px/20px 'Google Sans Text', sans-serif;
  --md-sys-typescale-body-large: 400 16px/24px 'Google Sans Text', sans-serif;
  --md-sys-typescale-body-medium: 400 14px/20px 'Google Sans Text', sans-serif;
  --md-sys-typescale-body-small: 400 12px/16px 'Google Sans Text', sans-serif;
  --md-sys-typescale-label-large: 500 14px/20px 'Google Sans Text', sans-serif;
  --md-sys-typescale-label-medium: 500 12px/16px 'Google Sans Text', sans-serif;
  --md-sys-typescale-label-small: 500 11px/16px 'Google Sans Text', sans-serif;

  /* Elevation */
  --md-sys-elevation-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-2: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);

  /* Shape */
  --md-sys-shape-corner-none: 0;
  --md-sys-shape-corner-extra-small: 4px;
  --md-sys-shape-corner-small: 8px;
  --md-sys-shape-corner-medium: 12px;
  --md-sys-shape-corner-large: 16px;
  --md-sys-shape-corner-extra-large: 28px;
  --md-sys-shape-corner-full: 9999px;

  /* Motion */
  --md-sys-motion-duration-short: 200ms;
  --md-sys-motion-duration-medium: 400ms;
  --md-sys-motion-duration-long: 600ms;
  --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font: var(--md-sys-typescale-body-large);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===== TYPOGRAPHY ===== */
.display-large {
  font: var(--md-sys-typescale-display-large);
}

.display-medium {
  font: var(--md-sys-typescale-display-medium);
}

.display-small {
  font: var(--md-sys-typescale-display-small);
}

.headline-large {
  font: var(--md-sys-typescale-headline-large);
}

.headline-medium {
  font: var(--md-sys-typescale-headline-medium);
}

.headline-small {
  font: var(--md-sys-typescale-headline-small);
}

.title-large {
  font: var(--md-sys-typescale-title-large);
}

.title-medium {
  font: var(--md-sys-typescale-title-medium);
}

.title-small {
  font: var(--md-sys-typescale-title-small);
}

.body-large {
  font: var(--md-sys-typescale-body-large);
}

.body-medium {
  font: var(--md-sys-typescale-body-medium);
}

.body-small {
  font: var(--md-sys-typescale-body-small);
}

.label-large {
  font: var(--md-sys-typescale-label-large);
}

.label-medium {
  font: var(--md-sys-typescale-label-medium);
}

.label-small {
  font: var(--md-sys-typescale-label-small);
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

@media (max-width: 768px) {

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

.flex {
  display: flex;
  gap: 16px;
}

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

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--md-sys-shape-corner-full);
  font: var(--md-sys-typescale-label-large);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.btn-filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.btn-filled:hover {
  box-shadow: var(--md-sys-elevation-1);
  filter: brightness(1.1);
}

.btn-outlined {
  background: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}

.btn-outlined:hover {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.btn-tonal {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.btn-text {
  background: transparent;
  color: var(--md-sys-color-primary);
}

.btn-text:hover {
  background: rgba(0, 106, 96, 0.08);
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

/* ===== CARDS ===== */
.card {
  background: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 24px;
  transition: all var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.card-elevated {
  background: var(--md-sys-color-surface);
  box-shadow: var(--md-sys-elevation-1);
}

.card-elevated:hover {
  box-shadow: var(--md-sys-elevation-2);
  transform: translateY(-2px);
}

.card-filled {
  background: var(--md-sys-color-surface-container-highest);
}

.card-outlined {
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 253, 252, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font: var(--md-sys-typescale-title-large);
  color: var(--md-sys-color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font: var(--md-sys-typescale-label-large);
  transition: color var(--md-sys-motion-duration-short);
}

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

.nav-actions {
  display: flex;
  gap: 12px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg,
      var(--md-sys-color-surface) 0%,
      var(--md-sys-color-primary-container) 100%);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-radius: var(--md-sys-shape-corner-full);
  font: var(--md-sys-typescale-label-medium);
  margin-bottom: 24px;
}

.hero-title {
  font: var(--md-sys-typescale-display-large);
  color: var(--md-sys-color-on-surface);
  margin-bottom: 24px;
}

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

.hero-description {
  font: var(--md-sys-typescale-body-large);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font: var(--md-sys-typescale-display-small);
  color: var(--md-sys-color-primary);
}

.hero-stat-label {
  font: var(--md-sys-typescale-label-medium);
  color: var(--md-sys-color-on-surface-variant);
}

/* ===== SERVICES ===== */
.service-card {
  padding: 32px;
  text-align: center;
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-large);
  font-size: 28px;
  margin: 0 auto 16px;
}

.service-title {
  font: var(--md-sys-typescale-title-large);
  margin-bottom: 12px;
}

.service-description {
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
}

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  padding: 32px;
}

.testimonial-text {
  font: var(--md-sys-typescale-body-large);
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font: var(--md-sys-typescale-title-small);
}

.testimonial-role {
  font: var(--md-sys-typescale-body-small);
  color: var(--md-sys-color-on-surface-variant);
}

/* ===== PRICING ===== */
.pricing-card {
  padding: 32px;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--md-sys-color-secondary);
  color: var(--md-sys-color-on-secondary);
  padding: 4px 16px;
  border-radius: var(--md-sys-shape-corner-full);
  font: var(--md-sys-typescale-label-small);
}

.pricing-name {
  font: var(--md-sys-typescale-headline-small);
  margin-bottom: 8px;
}

.pricing-price {
  font: var(--md-sys-typescale-display-small);
  margin-bottom: 8px;
}

.pricing-period {
  font: var(--md-sys-typescale-body-small);
  opacity: 0.8;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-feature {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font: var(--md-sys-typescale-body-medium);
}

.pricing-feature::before {
  content: "✓";
  color: var(--md-sys-color-primary);
  font-weight: bold;
}

.pricing-card.featured .pricing-feature::before {
  color: var(--md-sys-color-on-primary);
}

/* ===== CTA ===== */
.cta {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  text-align: center;
  padding: 80px 24px;
}

.cta-title {
  font: var(--md-sys-typescale-display-small);
  margin-bottom: 16px;
}

.cta-description {
  font: var(--md-sys-typescale-body-large);
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn-filled {
  background: var(--md-sys-color-on-primary);
  color: var(--md-sys-color-primary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--md-sys-color-surface-container);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font: var(--md-sys-typescale-title-large);
  color: var(--md-sys-color-primary);
  margin-bottom: 16px;
}

.footer-description {
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
}

.footer-title {
  font: var(--md-sys-typescale-title-small);
  margin-bottom: 16px;
}

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

.footer-link {
  display: block;
  padding: 8px 0;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font: var(--md-sys-typescale-body-medium);
  transition: color var(--md-sys-motion-duration-short);
}

.footer-link:hover {
  color: var(--md-sys-color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--md-sys-color-outline-variant);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font: var(--md-sys-typescale-body-small);
  color: var(--md-sys-color-on-surface-variant);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font: var(--md-sys-typescale-label-large);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-small);
  font: var(--md-sys-typescale-body-large);
  background: var(--md-sys-color-surface);
  transition: all var(--md-sys-motion-duration-short);
}

.form-input:focus {
  outline: none;
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 4px rgba(0, 106, 96, 0.1);
}

.form-input::placeholder {
  color: var(--md-sys-color-on-surface-variant);
}

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

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-radius: var(--md-sys-shape-corner-full);
  font: var(--md-sys-typescale-label-medium);
  margin-bottom: 16px;
}

.section-title {
  font: var(--md-sys-typescale-display-small);
  margin-bottom: 16px;
}

.section-description {
  font: var(--md-sys-typescale-body-large);
  color: var(--md-sys-color-on-surface-variant);
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--md-sys-color-primary);
}

.text-secondary {
  color: var(--md-sys-color-secondary);
}

.text-muted {
  color: var(--md-sys-color-on-surface-variant);
}

.bg-primary {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.bg-surface {
  background: var(--md-sys-color-surface);
}

.bg-container {
  background: var(--md-sys-color-surface-container);
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mb-32 {
  margin-bottom: 32px;
}

.mb-48 {
  margin-bottom: 48px;
}

.hidden {
  display: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-emphasized);
}

/* ===== MOBILE MENU ===== */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--md-sys-color-on-surface);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--md-sys-color-surface);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-actions {
    display: none;
  }

  .hero-title {
    font-size: 36px;
    line-height: 44px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }
}

/* ===== MAX LEVEL 2026 ENHANCEMENTS ===== */

/* Page Transitions */
@keyframes pageLoad {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

body {
  animation: pageLoad 0.3s ease-out;
}

/* Smooth scroll for all anchor links */
html {
  scroll-behavior: smooth;
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg,
      var(--md-sys-color-surface-container) 25%,
      var(--md-sys-color-surface-container-high) 50%,
      var(--md-sys-color-surface-container) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--md-sys-shape-corner-small);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 28px;
  width: 60%;
  margin-bottom: 16px;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  width: 100%;
}

/* Enhanced Button Interactions */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255, 255, 255, 0.3), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::after {
  opacity: 1;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  padding: 16px 24px;
  border-radius: var(--md-sys-shape-corner-medium);
  box-shadow: var(--md-sys-elevation-3);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toast-in 0.3s ease-out;
  max-width: 400px;
}

.toast.success {
  border-left: 4px solid #4CAF50;
}

.toast.error {
  border-left: 4px solid var(--md-sys-color-error);
}

.toast.info {
  border-left: 4px solid var(--md-sys-color-primary);
}

@keyframes toast-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-out {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Enhanced Cards with Hover Shine */
.card-elevated::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.1),
      transparent);
  transition: left 0.5s ease;
  pointer-events: none;
}

.card-elevated {
  position: relative;
  overflow: hidden;
}

.card-elevated:hover::before {
  left: 100%;
}

/* Focus States - Accessibility */
:focus-visible {
  outline: 3px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

/* Mobile Sidebar Enhancement */
@media (max-width: 768px) {
  .sidebar-glass {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100vh;
    width: 280px;
    z-index: 200;
    transition: left 0.3s ease;
  }

  .sidebar-glass.open {
    left: 0;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  .layout-2026 {
    grid-template-columns: 1fr !important;
  }

  .mobile-menu-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 201;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--md-sys-color-primary);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--md-sys-elevation-2);
  }
}

/* Scroll Progress Indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--md-sys-color-primary), var(--md-sys-color-tertiary));
  z-index: 1000;
  transform-origin: left;
  transition: transform 0.1s;
}

/* Glassmorphism Utility */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Dark Mode Support (prefers-color-scheme) */
@media (prefers-color-scheme: dark) {
  :root {
    --md-sys-color-surface: #191C1B;
    --md-sys-color-on-surface: #E1E3E2;
    --md-sys-color-surface-container: #1E2120;
    --md-sys-color-surface-container-high: #282B2A;
    --md-sys-color-surface-container-highest: #333635;
    --md-sys-color-outline: #899390;
    --md-sys-color-outline-variant: #3F4946;
  }

  .nav {
    background: rgba(25, 28, 27, 0.9);
  }

  .hero {
    background: linear-gradient(135deg,
        var(--md-sys-color-surface) 0%,
        #00201C 100%);
  }
}