/* vdx-main.css — Vendarix global styles */

/* =============================================
   CSS Custom Properties (Design Tokens)
   ============================================= */
:root {
  /* Palette */
  --bg-dark: #0F1523;
  --bg-dark-alt: #161E2E;
  --bg-dark-card: #1C2640;
  --bg-light: #F7F8FA;
  --bg-white: #FFFFFF;
  --bg-amber-accent-subtle: #FFF8EC;
  --accent-amber: #F4A726;
  --accent-amber-hover: #F7BA4A;
  --accent-amber-muted: #D4891A;
  --risk-red: #EF4444;
  --risk-amber: #F59E0B;
  --health-green: #10B981;
  --heading-on-dark: #F0EEF8;
  --body-on-dark: #CBD5E1;
  --muted-on-dark: #64748B;
  --heading-on-light: #0D1424;
  --body-on-light: #374151;
  --muted-on-light: #6B7280;
  --border-dark: #263350;
  --border-light: #E2E8F0;
  --nav-bg-scrolled: #0D1220;

  /* Typography */
  --font-heading: 'Sora', system-ui, -apple-system, sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --section-padding-y: 5rem;
  --hero-padding-top: 7rem;
  --hero-padding-bottom: 5rem;
  --container-max: 1200px;
  --card-gap: 1.5rem;
  --grid-gap: 2rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background-color: var(--bg-dark);
  color: var(--body-on-dark);
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
}

/* =============================================
   Page Themes
   ============================================= */
.vdx-page--light-top {
  background-color: var(--bg-light);
  color: var(--body-on-light);
}

.vdx-page--dark-top {
  background-color: var(--bg-dark);
  color: var(--body-on-dark);
}

/* =============================================
   Container
   ============================================= */
.vdx-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) {
  .vdx-container {
    padding: 0 1rem;
  }
}

/* =============================================
   Navigation
   ============================================= */
.vdx-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.vdx-nav--dark-top {
  background-color: transparent;
}

.vdx-nav--light-top {
  background-color: var(--bg-dark);
}

.vdx-nav.is-scrolled {
  background-color: var(--nav-bg-scrolled);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.vdx-nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.vdx-nav__logo {
  flex-shrink: 0;
  line-height: 0;
}

.vdx-nav__logo img {
  height: 32px;
  width: auto;
}

.vdx-nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 0 auto;
  list-style: none;
}

.vdx-nav .vdx-nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--body-on-dark);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.vdx-nav .vdx-nav__links a:hover {
  color: var(--accent-amber);
}

.vdx-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.vdx-nav__signin {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--body-on-dark);
  transition: color var(--transition-fast);
}

.vdx-nav__signin:hover {
  color: var(--accent-amber);
}

/* Hamburger */
.vdx-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
  cursor: pointer;
  background: none;
  border: none;
}

.vdx-nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--heading-on-dark);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.vdx-nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.vdx-nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.vdx-nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.vdx-nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background-color: var(--nav-bg-scrolled);
  border-top: 1px solid var(--border-dark);
  padding: 1rem 1.5rem 1.5rem;
}

.vdx-nav__mobile.is-open {
  display: flex;
}

.vdx-nav__mobile a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--body-on-dark);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--transition-fast);
}

.vdx-nav__mobile a:last-child {
  border-bottom: none;
}

.vdx-nav__mobile a:hover {
  color: var(--accent-amber);
}

@media (max-width: 900px) {
  .vdx-nav__links {
    display: none;
  }
  .vdx-nav__actions .vdx-btn--primary {
    display: none;
  }
  .vdx-nav__signin {
    display: none;
  }
  .vdx-nav__hamburger {
    display: flex;
  }
}

/* =============================================
   Buttons
   ============================================= */
.vdx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.vdx-btn:hover {
  transform: translateY(-1px);
}

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

/* Primary — amber bg, dark text */
.vdx-btn--primary {
  background-color: var(--accent-amber);
  color: #0D1424;
  border-color: var(--accent-amber);
}

.vdx-btn--primary:hover {
  background-color: var(--accent-amber-hover);
  border-color: var(--accent-amber-hover);
  color: #0D1424;
}

/* Ghost on dark */
.vdx-btn--ghost-dark {
  background-color: transparent;
  color: var(--heading-on-dark);
  border-color: var(--border-dark);
}

.vdx-btn--ghost-dark:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

/* Outline on light */
.vdx-btn--outline-light {
  background-color: transparent;
  color: var(--heading-on-light);
  border-color: var(--border-light);
}

.vdx-btn--outline-light:hover {
  border-color: var(--heading-on-light);
  color: var(--heading-on-light);
}

/* CTA band button — dark navy on amber */
.vdx-btn--cta-band {
  background-color: var(--bg-dark);
  color: var(--heading-on-dark);
  border-color: var(--bg-dark);
}

.vdx-btn--cta-band:hover {
  background-color: var(--bg-dark-alt);
  border-color: var(--bg-dark-alt);
  color: var(--heading-on-dark);
}

/* Text link on dark */
.vdx-btn--text-dark {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent-amber);
  font-family: var(--font-body);
  font-weight: 500;
  transform: none;
}

.vdx-btn--text-dark:hover {
  color: var(--accent-amber-hover);
  transform: none;
  text-decoration: underline;
}

/* Text link on light */
.vdx-btn--text-light {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent-amber-muted);
  font-family: var(--font-body);
  font-weight: 500;
  transform: none;
}

.vdx-btn--text-light:hover {
  color: var(--accent-amber);
  transform: none;
  text-decoration: underline;
}

/* =============================================
   Sections — Background Contexts
   ============================================= */
.vdx-section--dark {
  background-color: var(--bg-dark);
  color: var(--body-on-dark);
  padding: var(--section-padding-y) 0;
}

.vdx-section--dark-alt {
  background-color: var(--bg-dark-alt);
  color: var(--body-on-dark);
  padding: var(--section-padding-y) 0;
}

.vdx-section--light {
  background-color: var(--bg-light);
  color: var(--body-on-light);
  padding: var(--section-padding-y) 0;
}

.vdx-section--white {
  background-color: var(--bg-white);
  color: var(--body-on-light);
  padding: var(--section-padding-y) 0;
}

.vdx-section--brand {
  background-color: var(--accent-amber);
  color: var(--heading-on-light);
  padding: 4rem 0;
}

/* =============================================
   Section Headings (per bg context)
   ============================================= */
.vdx-section--dark h2,
.vdx-section--dark-alt h2 {
  color: var(--heading-on-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.2;
}

.vdx-section--dark h3,
.vdx-section--dark-alt h3 {
  color: var(--heading-on-dark);
  font-family: var(--font-heading);
  font-weight: 700;
}

.vdx-section--dark p,
.vdx-section--dark-alt p {
  color: var(--body-on-dark);
}

.vdx-section--light h2,
.vdx-section--white h2 {
  color: var(--heading-on-light);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.2;
}

.vdx-section--light h3,
.vdx-section--white h3 {
  color: var(--heading-on-light);
  font-family: var(--font-heading);
  font-weight: 700;
}

.vdx-section--light p,
.vdx-section--white p {
  color: var(--body-on-light);
}

/* =============================================
   Section Header (centered headline block)
   ============================================= */
.vdx-section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.vdx-section-header--left {
  text-align: left;
  margin-bottom: 3rem;
}

.vdx-section-header .vdx-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 0.75rem;
}

.vdx-section-header h2 {
  margin-bottom: 1rem;
}

.vdx-section-header p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.7;
}

.vdx-section-header--left p {
  margin: 0;
}

/* =============================================
   Footer
   ============================================= */
.vdx-footer {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding-top: 4rem;
}

.vdx-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.vdx-footer__brand .vdx-footer__tagline {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted-on-dark);
  line-height: 1.6;
  max-width: 220px;
}

.vdx-footer__col-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
  margin-bottom: 1.25rem;
}

.vdx-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  list-style: none;
}

.vdx-footer__col ul a {
  font-size: 0.9rem;
  color: var(--body-on-dark);
  transition: color var(--transition-fast);
}

.vdx-footer__col ul a:hover {
  color: var(--accent-amber);
}

.vdx-footer__bottom {
  border-top: 1px solid var(--border-dark);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.vdx-footer__copyright {
  font-size: 0.8rem;
  color: var(--muted-on-dark);
}

.vdx-footer__contact {
  font-size: 0.8rem;
  color: var(--muted-on-dark);
}

.vdx-footer__contact a {
  color: var(--muted-on-dark);
  transition: color var(--transition-fast);
}

.vdx-footer__contact a:hover {
  color: var(--accent-amber);
}

.vdx-footer__legal-links {
  display: flex;
  gap: 1.25rem;
}

.vdx-footer__legal-links a {
  font-size: 0.8rem;
  color: var(--muted-on-dark);
  transition: color var(--transition-fast);
}

.vdx-footer__legal-links a:hover {
  color: var(--accent-amber);
}

@media (max-width: 900px) {
  .vdx-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .vdx-footer__grid {
    grid-template-columns: 1fr;
  }
  .vdx-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* =============================================
   Fade-in animation (IntersectionObserver)
   ============================================= */
.vdx-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* =============================================
   Cookie Banner
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background-color: var(--bg-dark-card);
  border-top: 1px solid var(--border-dark);
  padding: 1rem 0;
}

.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--body-on-dark);
  flex: 1;
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--accent-amber);
  text-decoration: underline;
}

.cookie-banner__actions {
  flex-shrink: 0;
}

.cookie-banner__btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: 5px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast);
}

.cookie-banner__btn--primary {
  background-color: var(--accent-amber);
  color: #0D1424;
}

.cookie-banner__btn--primary:hover {
  background-color: var(--accent-amber-hover);
}

/* =============================================
   Logo SVGs
   ============================================= */
.vdx-logo {
  display: inline-flex;
  align-items: center;
}

/* =============================================
   Utility classes
   ============================================= */
.vdx-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;
}

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

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

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

.vdx-text-center {
  text-align: center;
}