/* ==========================================================================
   SativaHR Landing Page Styles
   ========================================================================== */

/* CSS Variables */
:root {
  /* Brand Colors */
  --color-primary: #23056b;
  --color-primary-light: #300796;
  --color-primary-lighter: #4a1db8;
  --color-primary-dark: #1a0450;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;

  /* Typography */
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* --- Language Switcher (landing) --- */

.lang-switcher {
  position: relative;
}

.lang-switcher__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 1.25rem;
  background: transparent;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
  line-height: 1;
}

.lang-switcher__btn:hover {
  border-color: var(--color-primary-lighter);
  background: rgba(35, 5, 107, 0.04);
}

.lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: none;
  z-index: 200;
  overflow: hidden;
}

.lang-switcher__dropdown.is-visible {
  display: block;
}

.lang-switcher__option {
  display: block;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.lang-switcher__option:hover {
  background: rgba(35, 5, 107, 0.03);
}

.lang-switcher__option.is-active {
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(35, 5, 107, 0.04);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-ghost {
  color: var(--color-gray-700);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

.btn-primary {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  box-shadow: 0 2px 8px rgba(35, 5, 107, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
  box-shadow: 0 4px 12px rgba(35, 5, 107, 0.35);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--color-primary);
  background: transparent;
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg-orb {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(
    circle,
    rgba(48, 7, 150, 0.08) 0%,
    rgba(35, 5, 107, 0.02) 50%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.hero-bg-orb::after {
  content: "";
  position: absolute;
  bottom: 20%;
  left: -60%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(48, 7, 150, 0.06) 0%,
    rgba(35, 5, 107, 0.01) 50%,
    transparent 70%
  );
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-gray-900);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features {
  padding: var(--space-4xl) var(--space-xl);
  background: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-gray-500);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
}

.feature-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(48, 7, 150, 0.08), rgba(35, 5, 107, 0.04));
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  line-height: 1.65;
}

/* ==========================================================================
   Mobile App Section
   ========================================================================== */

.mobile-section {
  padding: var(--space-4xl) var(--space-xl);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.mobile-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.section-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(48, 7, 150, 0.08);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.mobile-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.mobile-text p {
  font-size: 1.0625rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.app-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
}

.app-badge svg {
  color: var(--color-gray-600);
}

/* Phone Mockup */
.mobile-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 280px;
  background: var(--color-gray-900);
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    var(--shadow-xl),
    0 0 0 2px var(--color-gray-700);
}

.phone-screen {
  width: 100%;
  background: var(--color-white);
  border-radius: 28px;
  overflow: hidden;
}

.app-screenshot {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
  padding: var(--space-4xl) var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.cta-section p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
  background: var(--color-gray-50);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-gray-200);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-brand img {
  height: 28px;
  width: auto;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-lg);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
  .mobile-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mobile-text {
    order: 1;
  }

  .mobile-visual {
    order: 2;
  }

  .app-badges {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: var(--space-md);
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .hero {
    padding: var(--space-3xl) var(--space-md);
    min-height: auto;
  }

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

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }

  .features {
    padding: var(--space-3xl) var(--space-md);
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .mobile-section {
    padding: var(--space-3xl) var(--space-md);
  }

  .phone-mockup {
    width: 240px;
    border-radius: 32px;
  }

  .phone-screen {
    border-radius: 24px;
  }

  .cta-section {
    padding: var(--space-3xl) var(--space-md);
  }

  .site-footer {
    padding: var(--space-xl) var(--space-md);
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-lg);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 28px;
  }

  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
  }

  .feature-card {
    padding: var(--space-lg);
  }

  .phone-mockup {
    width: 200px;
    border-radius: 28px;
    padding: 8px;
  }

  .phone-screen {
    border-radius: 20px;
  }
}

/* ==========================================================================
   Content Pages (Privacy, Terms)
   ========================================================================== */

.content-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.content-page h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-900);
}

.content-page .last-updated {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.content-page section {
  margin-bottom: 2rem;
}

.content-page h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.content-page h3 {
  font-size: 1.125rem;
  margin: 1rem 0 0.5rem;
  color: var(--color-gray-900);
}

.content-page p {
  margin-bottom: 1rem;
  color: var(--color-gray-600);
}

.content-page ul {
  margin: 0 0 1rem 1.5rem;
  color: var(--color-gray-600);
}

.content-page li {
  margin-bottom: 0.5rem;
}

.content-page a {
  color: var(--color-primary-light);
}

.content-page a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}