/* ===========================================
   iStoria Creators Program - Extraordinary Design
   Clean, Flat, Story-Driven
   =========================================== */

@import url('./tokens.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* ===== Utilities ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: 1.1;
  color: var(--color-text);
}

.headline-xl {
  font-size: clamp(2.5rem, 8vw, var(--text-7xl));
  font-weight: var(--weight-black);
  letter-spacing: -0.03em;
}

.headline-lg {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
}

.headline-md {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: var(--weight-semibold);
}

.body-lg {
  font-size: var(--text-lg);
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text);
  border-color: var(--color-secondary);
}

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

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-background);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--weight-bold);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
  display: flex;
  flex-direction: column;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto var(--space-16);
}

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

.hero-description {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto var(--space-8);
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Story Marquee ===== */
.story-marquee-wrapper {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
  padding: var(--space-8) 0;
}

.story-marquee {
  display: flex;
  gap: var(--space-4);
  animation: marquee 40s linear infinite;
}

.story-marquee:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.story-marquee-reverse {
  animation-direction: reverse;
}

.story-thumb {
  flex-shrink: 0;
  width: 280px;
  height: 180px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.story-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.story-thumb:hover img {
  transform: scale(1.05);
}

/* ===== Section Styles ===== */
.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section-tag {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ===== Overview Section ===== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.overview-text p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.overview-quote {
  padding: var(--space-6);
  background-color: var(--color-background-white);
  border-left: 4px solid var(--color-accent);
  margin: var(--space-8) 0;
}

.overview-quote p {
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  margin: 0;
}

.overview-visual {
  position: relative;
}

.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  position: relative;
}

.phone-frame {
  background-color: var(--color-text);
  border-radius: 36px;
  padding: 12px;
  position: relative;
}

.phone-screen {
  background-color: var(--color-background-white);
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 9/19;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-story {
  position: absolute;
  width: 140px;
  height: 90px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--color-background-white);
}

.floating-story:nth-child(2) {
  top: 10%;
  left: -60px;
  animation: float 6s ease-in-out infinite;
}

.floating-story:nth-child(3) {
  top: 40%;
  right: -60px;
  animation: float 6s ease-in-out infinite 1s;
}

.floating-story:nth-child(4) {
  bottom: 15%;
  left: -40px;
  animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== Eligibility Section ===== */
.eligibility-section {
  background-color: var(--color-background-white);
}

.eligibility-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.eligibility-item {
  padding: var(--space-8);
  background-color: var(--color-background);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.eligibility-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 24px;
}

.eligibility-item h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.eligibility-item p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.language-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-background-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.no-limit-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-secondary);
  color: var(--color-text);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

/* ===== Stories Showcase ===== */
.stories-showcase {
  padding: var(--space-24) 0;
  overflow: hidden;
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: var(--space-4);
}

.story-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.story-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.story-card:hover img {
  transform: scale(1.1);
}

.story-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.story-card:hover .story-card-overlay {
  transform: translateY(0);
}

.story-card-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.story-card-level {
  font-size: var(--text-xs);
  opacity: 0.8;
}

.story-card.featured {
  grid-column: span 2;
  grid-row: span 2;
}

/* ===== Guidelines Section ===== */
.guidelines-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.guidelines-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.guideline-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-background-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.guideline-item:hover {
  border-color: var(--color-accent);
}

.guideline-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
}

.guideline-content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.guideline-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.guidelines-visual {
  position: sticky;
  top: calc(var(--header-height) + var(--space-8));
}

.tiktok-frame {
  max-width: 280px;
  margin: 0 auto;
  background-color: var(--color-text);
  border-radius: 32px;
  padding: 10px;
}

.tiktok-screen {
  background-color: var(--color-background);
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 9/16;
  position: relative;
}

.tiktok-content {
  position: relative;
  width: 100%;
  height: 100%;
}

.tiktok-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tiktok-ui {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  color: white;
}

.tiktok-duration {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: rgba(0,0,0,0.6);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
}

.tiktok-caption {
  font-size: var(--text-sm);
}

/* ===== Benefits Section ===== */
.benefits-section {
  background-color: var(--color-background-white);
}

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

.benefit-item {
  padding: var(--space-8);
  background-color: var(--color-background);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.benefit-item:hover {
  border-color: var(--color-accent);
}

.benefit-item.highlight {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  grid-column: span 2;
}

.benefit-item.highlight h3,
.benefit-item.highlight p {
  color: white;
}

.benefit-emoji {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.benefit-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.benefit-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== Rewards Section ===== */
.rewards-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.rewards-column h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

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

.tier-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-background-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.tier-item:hover {
  border-color: var(--color-accent);
  transform: translateX(8px);
}

.tier-item.golden {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.tier-views {
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
}

.tier-views span {
  color: var(--color-accent);
}

.tier-reward {
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.tier-item.golden .tier-reward {
  color: var(--color-text);
}

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

.perk-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-background-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.perk-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.perk-content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.perk-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  background-color: var(--color-text);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section .section-title {
  color: white;
}

.cta-section .section-desc {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-8);
}

.cta-stories {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  opacity: 0.1;
  pointer-events: none;
}

.cta-stories img {
  width: 150px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--space-16) 0 var(--space-8);
}

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

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

.footer-brand .logo-icon {
  background-color: var(--color-accent);
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
}

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  color: rgba(255,255,255,0.5);
}

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

.footer-column a {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-accent);
}

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

.social-link {
  width: 36px;
  height: 36px;
  background-color: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

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

.social-link svg {
  width: 18px;
  height: 18px;
  fill: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: white;
}

/* ===== Animations (AOS-like) ===== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-right"] {
  transform: translateX(-30px);
}

[data-animate="fade-right"].visible {
  transform: translateX(0);
}

[data-animate="fade-left"] {
  transform: translateX(30px);
}

[data-animate="fade-left"].visible {
  transform: translateX(0);
}

[data-animate="scale"] {
  transform: scale(0.95);
}

[data-animate="scale"].visible {
  transform: scale(1);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .overview-grid,
  .guidelines-grid,
  .rewards-layout {
    grid-template-columns: 1fr;
  }

  .stories-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 160px);
  }

  .story-card.featured {
    grid-column: span 2;
    grid-row: span 2;
  }

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

  .benefit-item.highlight {
    grid-column: span 2;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-background);
    flex-direction: column;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
  }

  .nav.active {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

  .eligibility-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .benefit-item.highlight {
    grid-column: span 1;
  }

  .stories-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(4, 140px);
  }

  .story-card.featured {
    grid-column: span 2;
    grid-row: span 1;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .story-thumb {
    width: 200px;
    height: 130px;
  }

  .stories-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .story-card,
  .story-card.featured {
    grid-column: span 1;
    grid-row: span 1;
    height: 180px;
  }
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}