/* ================================================================
   Med2Go Vitrine - Custom Styles
   Pure CSS to complement Tailwind CSS v4 utility classes (via CDN)
   ================================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');

/* ================================================================
   1. CSS Custom Properties (Brand Palette)
   ================================================================ */
:root {
  --color-med-dark: #1a3a3a;
  --color-med-dark-teal: #1a5c5c;
  --color-med-teal: #247373;
  --color-med-mint: #6cc4a1;
  --color-med-light-teal: #e8f5f0;
  --color-med-light-bg: #f8fafb;
  --color-med-gray: #6b7280;

  /* Derived / utility tokens */
  --navbar-height: 72px;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(26, 58, 58, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 58, 58, 0.1);
  --shadow-lg: 0 8px 30px rgba(26, 58, 58, 0.12);
  --shadow-xl: 0 12px 40px rgba(26, 58, 58, 0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* ================================================================
   2. Base / Reset
   ================================================================ */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

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

body {
  font-family: 'DM Sans', ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-med-dark);
  background-color: var(--color-med-light-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ================================================================
   3. Typography
   ================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-med-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  color: var(--color-med-gray);
  line-height: 1.7;
}

a {
  color: var(--color-med-teal);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Section spacing */
.section-padding {
  padding: 5rem 1.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-med-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-med-gray);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ================================================================
   4. Navbar - Glass Morphism
   ================================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  background: rgba(248, 250, 251, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 58, 58, 0.06);
  transition: background var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(26, 58, 58, 0.1);
}

.navbar-logo img {
  height: 36px;
  width: auto;
}

.navbar-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-med-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background var(--transition-base);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-med-teal);
  background: var(--color-med-light-teal);
}

/* ================================================================
   5. Mobile Menu
   ================================================================ */
.mobile-menu {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              visibility var(--transition-base);
}

.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu-link {
  display: block;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-med-dark);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(26, 58, 58, 0.06);
  transition: color var(--transition-base), background var(--transition-base);
}

.mobile-menu-link:hover {
  color: var(--color-med-teal);
  background: var(--color-med-light-teal);
}

/* Hamburger icon */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-med-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

/* ================================================================
   6. Buttons
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base),
              color var(--transition-base);
}

.btn:hover {
  transform: scale(1.03);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-med-teal);
  color: #fff;
  box-shadow: 0 2px 8px rgba(36, 115, 115, 0.25);
}

.btn-primary:hover {
  background: var(--color-med-dark-teal);
  color: #fff;
  box-shadow: 0 4px 16px rgba(36, 115, 115, 0.35);
}

.btn-secondary {
  background: var(--color-med-light-teal);
  color: var(--color-med-teal);
}

.btn-secondary:hover {
  background: var(--color-med-mint);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-med-teal);
  border: 2px solid var(--color-med-teal);
}

.btn-outline:hover {
  background: var(--color-med-teal);
  color: #fff;
  box-shadow: 0 4px 16px rgba(36, 115, 115, 0.25);
}

.btn-white {
  background: #fff;
  color: var(--color-med-teal);
}

.btn-white:hover {
  background: var(--color-med-light-teal);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

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

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg-pattern svg {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.06;
}

.hero-bg-pattern::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(
    ellipse at center,
    rgba(108, 196, 161, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
}

.hero-bg-pattern::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 40%;
  height: 60%;
  background: radial-gradient(
    ellipse at center,
    rgba(36, 115, 115, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* ================================================================
   8. Cards
   ================================================================ */
.card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(26, 58, 58, 0.06);
  padding: 2rem;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 196, 161, 0.2);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-med-light-teal);
  color: var(--color-med-teal);
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-med-dark);
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.9375rem;
  color: var(--color-med-gray);
  line-height: 1.6;
}

/* Stat / metric card */
.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-med-teal);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-med-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================================================
   9. Feature Tabs
   ================================================================ */
.feature-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-med-gray);
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid rgba(26, 58, 58, 0.1);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-base),
              background var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.feature-tab:hover {
  color: var(--color-med-teal);
  border-color: var(--color-med-teal);
  background: var(--color-med-light-teal);
}

.feature-tab.active {
  color: #fff;
  background: var(--color-med-teal);
  border-color: var(--color-med-teal);
  box-shadow: 0 2px 8px rgba(36, 115, 115, 0.25);
}

.feature-tab-content {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.feature-tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   10. FAQ Accordion
   ================================================================ */
.faq-item {
  border-bottom: 1px solid rgba(26, 58, 58, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-med-dark);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-base);
}

.faq-question:hover {
  color: var(--color-med-teal);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-med-gray);
  line-height: 1.7;
}

/* ================================================================
   11. Forms
   ================================================================ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-med-dark);
  margin-bottom: 0.375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  color: var(--color-med-dark);
  background: #fff;
  border: 1.5px solid rgba(26, 58, 58, 0.15);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #9ca3af;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-med-teal);
  box-shadow: 0 0 0 3px rgba(36, 115, 115, 0.1);
}

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

/* Validation: error state */
.input-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.error-message {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #ef4444;
  margin-top: 0.25rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity var(--transition-base), max-height var(--transition-base);
}

.error-message.visible {
  opacity: 1;
  max-height: 40px;
}

/* Validation: success state */
.input-success {
  border-color: var(--color-med-mint) !important;
  box-shadow: 0 0 0 3px rgba(108, 196, 161, 0.1) !important;
}

/* ================================================================
   12. Loading Spinner (form submit)
   ================================================================ */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin-top: -10px;
  margin-left: -10px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ================================================================
   13. Scroll Reveal Animation
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ================================================================
   14. Testimonials / Social Proof
   ================================================================ */
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid rgba(26, 58, 58, 0.06);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-med-mint);
  opacity: 0.3;
  line-height: 1;
}

.testimonial-text {
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--color-med-dark);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.testimonial-author {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-med-dark);
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-med-gray);
}

/* ================================================================
   15. Footer
   ================================================================ */
.footer {
  background: var(--color-med-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 1.5rem 2rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
}

.footer a:hover {
  color: var(--color-med-mint);
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 1.5rem;
}

/* ================================================================
   16. Badges / Chips
   ================================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  background: var(--color-med-light-teal);
  color: var(--color-med-teal);
}

/* ================================================================
   17. Decorative / Background Utilities
   ================================================================ */
.bg-grid-pattern {
  background-image:
    linear-gradient(rgba(26, 58, 58, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 58, 58, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

.gradient-border {
  position: relative;
  border: none;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--color-med-teal), var(--color-med-mint));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ================================================================
   18. Smooth Scroll Indicator / Progress
   ================================================================ */
.scroll-progress {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-med-teal), var(--color-med-mint));
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ================================================================
   19. CTA Section
   ================================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-med-dark) 0%, var(--color-med-dark-teal) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 50%;
  height: 150%;
  background: radial-gradient(
    ellipse at center,
    rgba(108, 196, 161, 0.12) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

/* ================================================================
   20. Responsive Adjustments
   ================================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .section-padding {
    padding: 4rem 1.25rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .section-padding {
    padding: 3rem 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .stat-value {
    font-size: 2rem;
  }

  .btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
  }
}

/* ================================================================
   21. Tailwind Complement — Utility classes used in HTML
   ================================================================ */

/* Button hover effect (used as class in HTML) */
.btn-hover:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.btn-hover:active {
  transform: scale(0.98);
}

/* Card hover effect (used as class in HTML) */
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* FAQ chevron rotation */
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

/* Language switcher active state */
.lang-option.active {
  border-color: var(--color-med-teal) !important;
  color: var(--color-med-teal) !important;
  font-weight: 700;
}

/* Navbar glassmorphism (applied via ID #navbar in HTML) */
#navbar {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

#navbar.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover {
    transform: none;
  }

  .card:hover {
    transform: none;
  }

  .faq-answer {
    transition: none;
  }
}
.navbar-logo {
  height: 2.25rem;
}