/* ================================================================
   VeyraHQ — Main Stylesheet
   Brand colors: #0D69B8 (primary blue), #071A2B (dark navy),
                 #FFFFFF (white), #EAF5FC (light blue)
   Fonts: Manrope (headings), Inter (body)
================================================================ */

/* ----------------------------------------------------------------
   0. CSS Custom Properties
---------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary:    #0D69B8;
  --color-primary-dk: #0A5696;
  --color-navy:       #071A2B;
  --color-navy-soft:  #0d2a42;
  --color-white:      #FFFFFF;
  --color-light-blue: #EAF5FC;
  --color-light-blue-dk: #d4ecf7;
  --color-text:       #1a2e40;
  --color-text-muted: #4a6278;
  --color-border:     #d0e8f5;

  /* Typography */
  --font-heading: 'Manrope', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1160px;
  --container-pad: 1.25rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(7, 26, 43, 0.07);
  --shadow-card-hover: 0 6px 24px rgba(13, 105, 184, 0.12);

  /* Transitions */
  --transition: 200ms ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

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

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  z-index: 9999;
  font-family: var(--font-body);
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 0;
}

/* ----------------------------------------------------------------
   2. Layout Utilities
---------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-xl);
}

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

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

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtext {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ----------------------------------------------------------------
   3. Buttons
---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

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

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-primary-dk);
  box-shadow: 0 4px 16px rgba(13, 105, 184, 0.25);
}

/* Secondary (ghost dark) */
.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}
.btn-secondary:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

/* Outline */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Disabled state */
.btn--disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

.btn-icon {
  flex-shrink: 0;
}

/* ----------------------------------------------------------------
   4. Header & Navigation
---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 8px rgba(7, 26, 43, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}

.logo-text::first-letter {
  color: var(--color-primary);
}

/* Primary nav */
.primary-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-primary);
  background: var(--color-light-blue);
}

.nav-link.is-active {
  font-weight: 600;
}

.nav-link:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.nav-cta {
  margin-left: var(--space-xs);
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 6px;
  border-radius: var(--radius-sm);
  margin-left: auto;
  transition: background var(--transition);
}

.hamburger:hover {
  background: var(--color-light-blue);
}

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

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

/* Animated open state */
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  padding: 1rem var(--container-pad) 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.mobile-nav-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  color: var(--color-primary);
  background: var(--color-light-blue);
  outline: none;
}

.mobile-cta {
  width: 100%;
  justify-content: center;
}

/* ----------------------------------------------------------------
   5. Hero Section
---------------------------------------------------------------- */
.hero {
  background: var(--color-navy);
  padding-block: var(--space-2xl) calc(var(--space-2xl) * 0.9);
  overflow: hidden;
}

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

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-subtext {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* Hero — the primary button on dark bg */
.hero .btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.hero .btn-primary:hover {
  background: #0f7ad4;
  box-shadow: 0 4px 20px rgba(13, 105, 184, 0.35);
}

/* Hero — secondary on dark bg */
.hero .btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}
.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

/* ----------------------------------------------------------------
   5a. Hero Visual — Geometric Grid
---------------------------------------------------------------- */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.geo-grid {
  position: relative;
  width: 340px;
  height: 340px;
}

/* Floating topic cards */
.geo-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  min-width: 130px;
  backdrop-filter: none;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.geo-card:hover {
  border-color: rgba(13, 105, 184, 0.5);
  transform: translateY(-3px);
}

.geo-icon-wrap {
  color: var(--color-primary);
  width: 36px;
  height: 36px;
  background: rgba(13, 105, 184, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.geo-card--1 { top: 0;   left: 0;   }
.geo-card--2 { top: 0;   right: 0;  }
.geo-card--3 { bottom: 0; left: 0;  }
.geo-card--4 { bottom: 0; right: 0; }

/* Decorative shapes */
.geo-shape {
  position: absolute;
  pointer-events: none;
}

.geo-shape--ring {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border: 2px solid rgba(13, 105, 184, 0.25);
  border-radius: 50%;
}

.geo-shape--dot1 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.7;
}

.geo-shape--dot2 {
  top: 25%;
  right: 25%;
  width: 7px;
  height: 7px;
  background: rgba(13, 105, 184, 0.5);
  border-radius: 50%;
}

.geo-shape--line {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 105, 184, 0.4), transparent);
}

/* ----------------------------------------------------------------
   6. About Section
---------------------------------------------------------------- */
.about {
  background: var(--color-white);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: var(--space-xl);
}

.about-text {
  max-width: 600px;
}

.about-body {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-body:last-child {
  margin-bottom: 0;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 180px;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-navy);
}

.pillar-icon {
  width: 40px;
  height: 40px;
  background: var(--color-light-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ----------------------------------------------------------------
   7. Topics Section
---------------------------------------------------------------- */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.topic-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: box-shadow var(--transition), border-color var(--transition),
              transform var(--transition);
}

.topic-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.topic-icon {
  width: 48px;
  height: 48px;
  background: var(--color-light-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.topic-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.topic-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ----------------------------------------------------------------
   8. Resources Section
---------------------------------------------------------------- */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.resource-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

.resource-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.resource-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-light-blue);
  border: 1px solid var(--color-light-blue-dk);
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
}

.resource-icon {
  width: 56px;
  height: 56px;
  background: var(--color-light-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.resource-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.625rem;
}

.resource-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ----------------------------------------------------------------
   9. Content / Channels Section
---------------------------------------------------------------- */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 700px;
  margin-inline: auto;
}

.channel-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.channel-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.channel-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-icon--yt {
  background: #fff0f0;
  color: #ff0000;
}

.channel-icon--pin {
  background: #fff0f2;
  color: #E60023;
}

.channel-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
}

.channel-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.channel-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: -0.25rem;
}

/* ----------------------------------------------------------------
   10. Contact Section
---------------------------------------------------------------- */
.contact {
  background: var(--color-navy);
}

.contact-container {
  display: flex;
  justify-content: center;
  text-align: center;
}

.contact-content {
  max-width: 560px;
}

/* Override section heading color for dark bg */
.contact .section-label {
  color: rgba(255, 255, 255, 0.5);
}

.contact .section-heading {
  color: var(--color-white);
}

.contact-body {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
}

.contact-email-link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--transition);
}

.contact-email-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.contact-email-link:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

.contact-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ----------------------------------------------------------------
   11. Footer
---------------------------------------------------------------- */
.site-footer {
  background: var(--color-navy);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-xl) var(--space-lg);
}

.footer-brand {
  max-width: 220px;
}

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

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 0.5rem;
  line-height: 1.5;
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  justify-content: flex-end;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.footer-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.07);
}

.footer-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-block: 1.25rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

/* ----------------------------------------------------------------
   12. Responsive — Tablet (max 900px)
---------------------------------------------------------------- */
@media (max-width: 900px) {
  :root {
    --space-xl: 3rem;
    --space-2xl: 4.5rem;
  }

  /* Header */
  .primary-nav,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }

  .hero-subtext {
    margin-inline: auto;
  }

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

  .hero-visual {
    order: -1;
  }

  .geo-grid {
    width: 280px;
    height: 280px;
  }

  /* About */
  .about-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-pillars {
    flex-direction: row;
    flex-wrap: wrap;
  }

  /* Footer */
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-nav-list {
    justify-content: center;
  }

  .footer-brand {
    max-width: 100%;
  }
}

/* ----------------------------------------------------------------
   13. Responsive — Mobile (max 600px)
---------------------------------------------------------------- */
@media (max-width: 600px) {
  :root {
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
    --container-pad: 1rem;
  }

  /* Hero */
  .hero-heading {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

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

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .geo-grid {
    width: 240px;
    height: 240px;
  }

  .geo-card {
    padding: 0.75rem 1rem;
    min-width: 100px;
    font-size: 0.75rem;
  }

  .geo-icon-wrap {
    width: 28px;
    height: 28px;
  }

  /* Topics */
  .topics-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Resources */
  .resources-grid {
    grid-template-columns: 1fr;
  }

  /* Channels */
  .channels-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-pillars {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .topics-grid {
    grid-template-columns: 1fr;
  }
}

/* ----------------------------------------------------------------
   14. Accessibility — Reduced Motion
---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ----------------------------------------------------------------
   15. Focus Styles (global fallback)
---------------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}