/* ===============================================
   ComicAI - Soft & Premium Design System
   =============================================== */

/* CSS Variables */
:root {
  /* Brand Colors - Soft Yellow & Pink */
  --color-yellow: #FFC700;
  --color-yellow-dark: #FFB300;
  --color-yellow-light: #FFE066;
  --color-pink: #FF1493;
  --color-pink-dark: #E91E63;
  --color-pink-light: #FF6EB4;

  /* Logo Colors */
  --color-comic-blue: #4F46E5;
  --color-ai-orange: #F97316;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #FFF9E6 0%, #FFE6F0 50%, #FFF5F8 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-yellow), var(--color-pink));

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-dark: #1a1a2e;
  --color-gray-light: #F8FAFC;
  --color-gray: #64748B;
  --color-gray-dark: #1E293B;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

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

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-yellow: 0 4px 20px rgba(255, 199, 0, 0.3);
  --shadow-pink: 0 4px 20px rgba(255, 20, 147, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===============================================
   Global Styles
   =============================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-gray-dark);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===============================================
   Typography
   =============================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  line-height: 1.7;
}

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

/* ===============================================
   Layout Components
   =============================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  display: flex;
  gap: 0;
}

.logo-comic {
  color: var(--color-comic-blue);
}

.logo-ai {
  color: var(--color-ai-orange);
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  font-weight: 600;
  color: var(--color-gray-dark);
  transition: var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-pink);
}

/* ===============================================
   Hero Section - Soft & Warm
   =============================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__content {
  color: var(--color-gray-dark);
}

.hero__title {
  margin-bottom: var(--space-md);
  color: var(--color-gray-dark);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero__title-highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* Phone Mockups Container */
.hero__phones {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.phone-mockup {
  position: relative;
  width: 200px;
  transition: all var(--transition-slow);
}

.phone-mockup:nth-child(1) {
  transform: translateX(30px) translateY(15px) rotate(-6deg);
  z-index: 1;
}

.phone-mockup:nth-child(2) {
  transform: scale(1.05);
  z-index: 3;
}

.phone-mockup:nth-child(3) {
  transform: translateX(-30px) translateY(15px) rotate(6deg);
  z-index: 2;
}

.phone-frame {
  position: relative;
  background: linear-gradient(135deg, #333, #1a1a1a);
  border-radius: 32px;
  padding: 10px;
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-frame::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 20px;
  background: #1a1a1a;
  border-radius: 16px;
  z-index: 10;
}

.phone-screen {
  border-radius: 24px;
  overflow: hidden;
  background: #000;
}

.phone-screen img {
  width: 100%;
  height: auto;
  display: block;
}

/* Shimmer Loading Effect */
.phone-screen {
  position: relative;
}

.phone-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg,
      #f0f0f0 0%,
      #e0e0e0 20%,
      #f0f0f0 40%,
      #f0f0f0 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.phone-screen.loaded::before {
  opacity: 0;
  pointer-events: none;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.phone-mockup:hover {
  transform: scale(1.1) translateY(-8px);
  z-index: 10;
}

/* ===============================================
   Buttons - Yellow Theme
   =============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-black);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 4px 4px 0 var(--color-black);
  text-decoration: none;
}

.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-black);
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--color-black);
}

.btn--yellow {
  background-color: var(--color-yellow);
  color: var(--color-black);
}

.btn--yellow:hover {
  background-color: var(--color-yellow-dark);
}

.btn--pink {
  background-color: var(--color-pink);
  color: var(--color-white);
}

.btn--pink:hover {
  background-color: var(--color-pink-dark);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-black);
}

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

/* Store Buttons */
.store-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.store-btn {
  display: inline-block;
  transition: var(--transition-normal);
}

.store-btn img {
  height: 50px;
  width: auto;
}

.store-btn:hover {
  transform: translateY(-4px);
}

/* ===============================================
   Features Section - Clean & Modern
   =============================================== */

.features {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
  position: relative;
}

.features__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.features__subtitle {
  display: inline-block;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.features__title {
  color: var(--color-gray-dark);
}

.features__description {
  color: var(--color-gray);
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-black);
  box-shadow: 6px 6px 0 var(--color-black);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--color-black);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.feature-card__icon--yellow {
  background: var(--color-yellow);
  color: var(--color-black);
}

.feature-card__icon--pink {
  background: var(--color-pink);
  color: var(--color-white);
}

.feature-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-gray-dark);
}

.feature-card__description {
  color: var(--color-gray);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* ===============================================
   Download Section
   =============================================== */

.download {
  padding: var(--space-3xl) 0;
  background: var(--gradient-hero);
  text-align: center;
}

.download__content {
  max-width: 700px;
  margin: 0 auto;
}

.download__title {
  color: var(--color-gray-dark);
  margin-bottom: var(--space-md);
}

.download__title-highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.download__subtitle {
  font-size: 1.25rem;
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
}

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

.footer {
  background: var(--color-gray-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__section h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
}

.footer__section h3 .logo-comic {
  color: var(--color-comic-blue);
}

.footer__section h3 .logo-ai {
  color: var(--color-ai-orange);
}

.footer__links {
  list-style: none;
}

.footer__link {
  display: block;
  padding: var(--space-xs) 0;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-yellow);
  padding-left: var(--space-xs);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
}

/* ===============================================
   Legal Pages
   =============================================== */

.legal-page {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(80px + var(--space-2xl)) var(--space-md) var(--space-3xl);
}

.legal-page h1 {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.legal-page h2 {
  color: var(--color-gray-dark);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: 1.75rem;
}

.legal-page h3 {
  color: var(--color-gray-dark);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.legal-page p {
  margin-bottom: var(--space-md);
  color: var(--color-gray);
}

.legal-page ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-page li {
  margin-bottom: var(--space-xs);
  color: var(--color-gray);
}

.legal-page .last-updated {
  text-align: center;
  color: var(--color-gray);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

/* ===============================================
   Animations
   =============================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

  .hero__cta {
    justify-content: center;
  }

  .hero__phones {
    margin-top: var(--space-xl);
  }

  .phone-mockup {
    width: 160px;
  }

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

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .hero {
    padding: calc(80px + var(--space-xl)) 0 var(--space-xl);
    min-height: auto;
  }

  .hero__phones {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: var(--space-md) var(--space-lg);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: var(--space-md);
    justify-content: flex-start;
  }

  .hero__phones::-webkit-scrollbar {
    display: none;
  }

  .phone-mockup {
    flex-shrink: 0;
    width: 200px;
    scroll-snap-align: center;
  }

  .phone-mockup:nth-child(1),
  .phone-mockup:nth-child(2),
  .phone-mockup:nth-child(3) {
    transform: none;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .store-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .phone-mockup {
    width: 110px;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}