/**
 * TaskMe Landing Page Styles
 * Based on design-system.ts
 */

/* ============================================================================
   CSS VARIABLES (from design-system.ts)
   ============================================================================ */

:root {
  /* Dark Theme (Default) */
  --primary: #8c5cff;
  --primary-foreground: #ffffff;
  --secondary: #2a2c33;
  --secondary-foreground: #f0f0f0;
  --accent: #1e293b;
  --accent-foreground: #79c0ff;
  --background: #1a1b1e;
  --background-foreground: #f0f0f0;
  --card: #222327;
  --card-foreground: #f0f0f0;
  --muted: #2a2c33;
  --muted-foreground: #a0a0a0;
  --destructive: #f87171;
  --border: #33353a;
  --ring: #8c5cff;

  /* Chart Colors */
  --chart-1: #4ade80;
  --chart-2: #8c5cff;
  --chart-3: #fca5a5;
  --chart-4: #5993f4;
  --chart-5: #a0a0a0;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-8: 32px;
  --spacing-10: 40px;
  --spacing-12: 48px;
  --spacing-16: 64px;
  --spacing-20: 80px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius: 22.4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-modal: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.13);
  --shadow: 0 2px 3px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.25);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
  --primary: #7033ff;
  --primary-foreground: #ffffff;
  --secondary: #edf0f4;
  --secondary-foreground: #080808;
  --accent: #e2ebff;
  --accent-foreground: #1e69dc;
  --background: #fdfdfd;
  --background-foreground: #000000;
  --card: #fdfdfd;
  --card-foreground: #000000;
  --muted: #f5f5f5;
  --muted-foreground: #525252;
  --destructive: #e54b4f;
  --border: #e7e7ee;
  --ring: #000000;

  --chart-1: #4ac885;
  --chart-2: #7033ff;
  --chart-3: #fd822b;
  --chart-4: #3276e4;
  --chart-5: #747474;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--background-foreground);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--duration-normal) var(--ease-out),
    color var(--duration-normal) var(--ease-out);
}

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

ul,
ol {
  list-style: none;
}

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

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

/* ============================================================================
   UTILITIES
   ============================================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.glass {
  background: rgba(34, 35, 39, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
}

[data-theme="light"] .glass {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4) var(--spacing-8);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px rgba(140, 92, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(140, 92, 255, 0.5);
}

.icon {
  width: 20px;
  height: 20px;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes glow {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(140, 92, 255, 0.3);
  }

  50% {
    box-shadow: 0 0 40px rgba(140, 92, 255, 0.5);
  }
}

/* ============================================================================
   HEADER
   ============================================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-4) 0;
  background: rgba(26, 27, 30, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--duration-normal) var(--ease-out);
}

[data-theme="light"] .header {
  background: rgba(253, 253, 253, 0.9);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 24px;
  font-weight: 700;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: var(--primary-foreground);
  border-radius: var(--radius-md);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
}

.nav {
  display: flex;
  gap: var(--spacing-8);
}

.nav-link {
  font-weight: 500;
  color: var(--muted-foreground);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-link:hover {
  color: var(--background-foreground);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.theme-toggle,
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--secondary);
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--muted);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.lang-toggle {
  font-weight: 600;
  font-size: 14px;
}

/* Mobile Header */
@media (max-width: 768px) {
  .nav {
    display: none;
  }
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--spacing-16)) 0 var(--spacing-16);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-title {
  margin-bottom: var(--spacing-6);
}

.hero-title-main {
  display: block;
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--chart-4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  color: var(--background-foreground);
  margin-bottom: var(--spacing-4);
}

.hero-description {
  font-size: 18px;
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-8);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 560px;
  background: var(--card);
  border-radius: var(--radius-modal);
  padding: var(--spacing-3);
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite, glow 4s ease-in-out infinite;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--background);
  border-radius: calc(var(--radius-modal) - 8px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  color: var(--muted-foreground);
}

.placeholder-icon {
  font-size: 48px;
}

.placeholder-text {
  font-size: 14px;
}

.hero-gradient {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(140, 92, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Mobile Hero */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
  }

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

  .phone-mockup {
    width: 240px;
    height: 480px;
  }
}

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */

.features {
  padding: var(--spacing-20) 0;
  background: var(--background);
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-4);
}

.section-subtitle {
  font-size: 18px;
  color: var(--muted-foreground);
  text-align: center;
  margin-bottom: var(--spacing-12);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.feature-card {
  padding: var(--spacing-8);
  transition: transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(140, 92, 255, 0.15);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-5);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-icon-tasks {
  background: rgba(74, 222, 128, 0.15);
  color: var(--chart-1);
}

.feature-icon-finance {
  background: rgba(140, 92, 255, 0.15);
  color: var(--primary);
}

.feature-icon-sessions {
  background: rgba(89, 147, 244, 0.15);
  color: var(--chart-4);
}

.feature-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.feature-description {
  font-size: 15px;
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-5);
  line-height: 1.6;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.feature-list li {
  position: relative;
  padding-left: var(--spacing-5);
  font-size: 14px;
  color: var(--muted-foreground);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* Mobile Features */
@media (max-width: 968px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ============================================================================
   SCREENSHOTS SECTION
   ============================================================================ */

.screenshots {
  padding: var(--spacing-20) 0;
  background: linear-gradient(180deg, var(--background) 0%, var(--secondary) 100%);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: var(--spacing-4);
  align-items: start;
  max-width: 700px;
  margin: 0 auto;
}

.screenshot-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out);
}

.screenshot-card:hover {
  transform: scale(1.02);
}

.screenshot-card.featured {
  transform: scale(1.05);
  box-shadow: 0 20px 50px rgba(140, 92, 255, 0.2);
}

.screenshot-card.featured:hover {
  transform: scale(1.08);
}

.screenshot-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  background: var(--card);
  color: var(--muted-foreground);
}

.screenshot-placeholder .placeholder-icon {
  font-size: 40px;
}

/* Mobile Screenshots */
@media (max-width: 768px) {
  .screenshots-grid {
    grid-template-columns: 1fr 1.2fr 1fr;
    max-width: 100%;
    gap: var(--spacing-2);
    padding: 0 var(--spacing-2);
  }

  .screenshot-card.featured {
    transform: none;
  }
}

/* Screenshot Images */
.screenshot-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
}

/* Theme-based visibility */
.dark-only {
  display: block;
}

.light-only {
  display: none;
}

[data-theme="light"] .dark-only {
  display: none;
}

[data-theme="light"] .light-only {
  display: block;
}

/* ============================================================================
   DOWNLOAD SECTION
   ============================================================================ */

.download {
  padding: var(--spacing-20) 0;
  background: var(--secondary);
}

.download-content {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-12);
  text-align: center;
}

.download-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

.download-subtitle {
  font-size: 18px;
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-8);
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-5);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.store-badge:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(140, 92, 255, 0.2);
}

.store-icon {
  width: 32px;
  height: 32px;
}

.store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.store-label {
  font-size: 11px;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.store-name {
  font-size: 18px;
  font-weight: 600;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  padding: var(--spacing-16) 0 var(--spacing-8);
  background: var(--background);
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer-brand .logo {
  margin-bottom: var(--spacing-4);
}

.footer-tagline {
  font-size: 14px;
  color: var(--muted-foreground);
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: var(--spacing-12);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-link {
  font-size: 15px;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--secondary);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}

.social-link:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--border);
  text-align: center;
}

.copyright {
  font-size: 14px;
  color: var(--muted-foreground);
}

/* Mobile Footer */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }

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

  .footer-links {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }
}