/* ==========================================================================
   Radix AI INC - GEO Website
   Global Stylesheet
   Design System + Components + Page Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* Primary palette - Black & White */
  --color-black: #0A0A0A;
  --color-white: #FFFFFF;
  --color-gray-900: #1A1A1A;
  --color-gray-800: #262626;
  --color-gray-700: #404040;
  --color-gray-500: #737373;
  --color-gray-400: #A3A3A3;
  --color-gray-300: #D4D4D4;
  --color-gray-200: #E5E5E5;
  --color-gray-100: #F5F5F5;
  --color-gray-50: #FAFAFA;

  /* Orange accent */
  --color-orange: #FF6B00;
  --color-orange-dark: #E55A00;
  --color-orange-light: #FF8533;
  --color-orange-bg: #FFF5EB;

  /* Semantic */
  --color-text: var(--color-black);
  --color-text-muted: var(--color-gray-500);
  --color-bg: var(--color-white);
  --color-border: var(--color-gray-300);
  --color-primary: var(--color-orange);
  --color-primary-hover: var(--color-orange-dark);

  /* Status */
  --color-success: #16A34A;
  --color-error: #DC2626;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
               system-ui, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono',
               Consolas, monospace;

  /* Font sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 4rem;        /* 64px */

  /* Font weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line heights */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Spacing (8px base) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-6);

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

  /* Shadows - minimal */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-orange: 0 4px 16px rgba(255, 107, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  /* Navbar height */
  --navbar-height: 72px;
  --navbar-height-mobile: 64px;
}

/* --------------------------------------------------------------------------
   2. 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-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

::selection {
  background: var(--color-orange);
  color: var(--color-white);
}

/* Accessibility: visible focus */
:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-32);
}

.section--tight {
  padding-block: var(--space-24);
}

.section--gray {
  background-color: var(--color-gray-50);
}

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

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

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

/* --------------------------------------------------------------------------
   4. Typography
   -------------------------------------------------------------------------- */
.eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-4);
}

.h1 {
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  max-width: 60ch;
}

.lead--center {
  margin-inline: auto;
}

@media (max-width: 768px) {
  .h1 { font-size: var(--text-5xl); }
  .h2 { font-size: var(--text-3xl); }
}

/* Highlight word in orange */
.highlight {
  color: var(--color-orange);
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-orange);
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
}

.btn--primary:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-black);
  padding-inline: 0;
}

.btn--ghost::after {
  content: "→";
  margin-left: var(--space-2);
  transition: transform var(--transition-fast);
}

.btn--ghost:hover {
  color: var(--color-orange);
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

/* Dark section variant */
.section--dark .btn--secondary {
  color: var(--color-white);
  border-color: var(--color-white);
}

.section--dark .btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

.btn-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   6. Navbar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 1000;
  transition: box-shadow var(--transition-fast);
}

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

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.navbar__logo:hover {
  opacity: 0.85;
}

.navbar__logo svg {
  height: 28px;
  width: auto;
}

.navbar__logo .logo-dot {
  transition: transform var(--transition-fast);
  transform-origin: center;
}

.navbar__logo:hover .logo-dot {
  transform: scale(1.4);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
  margin-right: var(--space-8);
}

.navbar__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  padding-block: var(--space-2);
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-black);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  transform: scaleX(1);
}

.navbar__cta {
  flex-shrink: 0;
}

/* Hamburger button */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition-fast);
  margin-inline: auto;
}

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

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

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

@media (max-width: 768px) {
  .navbar {
    height: var(--navbar-height-mobile);
  }

  .navbar__nav,
  .navbar__cta {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   7. Mobile Menu
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-orange);
}

.mobile-menu .btn {
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   8. Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-black);
  color: var(--color-gray-400);
  padding-top: var(--space-24);
  padding-bottom: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer__brand .footer__logo {
  margin-bottom: var(--space-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 32ch;
}

.footer__col h4 {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

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

.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--color-orange);
}

.footer__bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-fast);
}

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

/* Service card */
.service-card {
  text-align: left;
}

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-orange-bg);
  color: var(--color-orange);
  margin-bottom: var(--space-4);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

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

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.service-card__link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.service-card__link:hover::after {
  transform: translateX(4px);
}

/* Company info card */
.info-card {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  padding-left: var(--space-6);
  overflow: hidden;
}

.info-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-orange);
}

.info-card__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.info-card__value {
  font-size: var(--text-base);
  color: var(--color-black);
  font-weight: var(--font-medium);
  word-break: break-word;
}

.info-card__value--muted {
  color: var(--color-gray-400);
}

/* Pricing card */
.pricing-card {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--color-orange);
  box-shadow: var(--shadow-md);
}

.pricing-card--featured {
  border-color: var(--color-orange);
  border-width: 2px;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 1024px) {
  .pricing-card--featured {
    transform: scale(1.03);
  }
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
}

.pricing-card__name {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  min-height: 40px;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.pricing-card__price-value {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-black);
}

.pricing-card__price-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.pricing-card__feature::before {
  content: "✓";
  color: var(--color-orange);
  font-weight: var(--font-bold);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. Grids
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }
}

/* Pricing grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
  margin-top: var(--space-16);
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }
}

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

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero__title {
  font-size: var(--text-6xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-8);
}

.hero__cta {
  margin-bottom: var(--space-12);
}

.hero__trust {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  letter-spacing: 0.02em;
}

.hero__trust strong {
  color: var(--color-black);
  font-weight: var(--font-medium);
}

/* Decorative orange shape */
.hero__deco {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero__deco-2 {
  position: absolute;
  bottom: 10%;
  right: 15%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-orange);
  z-index: 1;
}

@media (max-width: 768px) {
  .hero__title {
    font-size: var(--text-5xl);
  }

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

/* Compact hero (inner pages) */
.hero-compact {
  padding-top: calc(var(--navbar-height) + var(--space-24));
  padding-bottom: var(--space-16);
  text-align: center;
}

.hero-compact__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.hero-compact__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
}

.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.breadcrumb a:hover {
  color: var(--color-orange);
}

/* --------------------------------------------------------------------------
   12. About Preview (Home)
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 1024px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.stat {
  text-align: center;
}

.stat__value {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-orange);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .stats {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   13. Services Detail (alternating layout)
   -------------------------------------------------------------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-gray-100);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail--reverse .service-detail__content {
  order: 2;
}

@media (max-width: 1024px) {
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .service-detail--reverse .service-detail__content {
    order: 0;
  }
}

.service-detail__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background-color: var(--color-orange-bg);
  color: var(--color-orange);
  margin-bottom: var(--space-6);
}

.service-detail__icon svg {
  width: 28px;
  height: 28px;
}

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

.service-detail__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

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

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-gray-700);
}

.service-detail__list li::before {
  content: "✓";
  color: var(--color-orange);
  font-weight: var(--font-bold);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Service visual block */
.service-detail__visual {
  background-color: var(--color-gray-100);
  border-radius: var(--radius-xl);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-detail__visual::before {
  content: "";
  position: absolute;
  top: 20%;
  right: 20%;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-orange);
  opacity: 0.15;
}

/* --------------------------------------------------------------------------
   14. Why GEO Matters (dark section)
   -------------------------------------------------------------------------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

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

.value-card {
  text-align: left;
}

.value-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 107, 0, 0.15);
  color: var(--color-orange);
  margin-bottom: var(--space-4);
}

.value-card__title {
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.value-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   15. CTA Section
   -------------------------------------------------------------------------- */
.cta {
  text-align: center;
  padding-block: var(--space-32);
}

.cta--orange {
  background-color: var(--color-orange-bg);
}

.cta__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.cta__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin: 0 auto var(--space-8);
}

/* --------------------------------------------------------------------------
   16. About Page - Registration Info
   -------------------------------------------------------------------------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

@media (max-width: 640px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

/* Mission quote */
.mission-quote {
  border-left: 3px solid var(--color-orange);
  padding-left: var(--space-8);
  font-size: var(--text-2xl);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
  font-style: italic;
  max-width: 70ch;
}

/* --------------------------------------------------------------------------
   17. Contact Form
   -------------------------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

@media (max-width: 1024px) {
  .contact {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}

.form__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-black);
}

.form__label .required {
  color: var(--color-orange);
}

.form__input,
.form__textarea,
.form__select {
  padding: 12px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background-color: var(--color-white);
  color: var(--color-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

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

.form__error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}

.form__group.has-error .form__error {
  display: block;
}

.form__group.has-error .form__input,
.form__group.has-error .form__textarea {
  border-color: var(--color-error);
}

.form__success {
  display: none;
  padding: var(--space-4);
  background-color: rgba(22, 163, 74, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.form__success.active {
  display: block;
}

/* Contact info sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-orange-bg);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-black);
  line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   18. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq {
  max-width: 800px;
  margin-inline: auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  text-align: left;
  color: var(--color-black);
  cursor: pointer;
  background: transparent;
  border: none;
}

.faq__question:hover {
  color: var(--color-orange);
}

.faq__icon {
  flex-shrink: 0;
  margin-left: var(--space-4);
  transition: transform var(--transition-fast);
  color: var(--color-orange);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq__item.active .faq__answer {
  max-height: 400px;
  padding-bottom: var(--space-6);
}

.faq__answer p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   19. Pricing Toggle
   -------------------------------------------------------------------------- */
.pricing-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background-color: var(--color-gray-100);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  margin-inline: auto;
}

.pricing-toggle__option {
  padding: 8px 20px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-500);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
}

.pricing-toggle__option.active {
  background-color: var(--color-white);
  color: var(--color-black);
  box-shadow: var(--shadow-sm);
}

.pricing-toggle__save {
  font-size: var(--text-xs);
  color: var(--color-orange);
  font-weight: var(--font-semibold);
}

/* --------------------------------------------------------------------------
   20. Scroll Reveal Animation
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="1"] {
  transition-delay: 0.1s;
}

.reveal[data-delay="2"] {
  transition-delay: 0.2s;
}

.reveal[data-delay="3"] {
  transition-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   21. Back to Top
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-black);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-fast);
  z-index: 100;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-orange);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   22. Section Header
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
}

/* Section with dark background */
.section--dark .section-header__title {
  color: var(--color-white);
}

.section--dark .section-header__subtitle {
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   23. Page main offset (for fixed navbar)
   -------------------------------------------------------------------------- */
main {
  min-height: 60vh;
}

/* Body lock when mobile menu active */
body.menu-open {
  overflow: hidden;
}