/* ============================================
   AI Native Community - Pixel Art Design System
   ============================================ */

:root {
  --color-dark: #1A0A00;
  --color-dark-lighter: #2A1A0A;
  --color-dark-card: #221200;
  --color-orange: #F07800;
  --color-orange-light: #FFA040;
  --color-orange-dark: #C06000;
  --color-white: #FFFFFF;
  --color-white-muted: rgba(255, 255, 255, 0.7);
  --font-pixel: 'Press Start 2P', cursive;
  --font-body: 'Inter', sans-serif;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-dark);
  color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

a {
  color: var(--color-orange);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ---- Utility ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.pixel-grid {
  background-image:
    linear-gradient(rgba(240, 120, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 120, 0, 0.04) 1px, transparent 1px);
  background-size: 8px 8px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-pixel);
  font-size: 20px;
  color: var(--color-orange);
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: 2px;
}

/* ---- Pixel Button ---- */
.pixel-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-pixel);
  font-size: 12px;
  background: var(--color-orange);
  color: var(--color-dark);
  border: none;
  padding: 16px 28px;
  cursor: pointer;
  text-decoration: none;
  box-shadow:
    4px 4px 0 0 var(--color-orange-dark),
    -1px -1px 0 0 rgba(255, 255, 255, 0.15) inset;
  transition: transform 0.1s, box-shadow 0.1s;
  line-height: 1;
}

.pixel-button:hover {
  color: var(--color-dark);
  transform: translate(2px, 2px);
  box-shadow:
    2px 2px 0 0 var(--color-orange-dark);
}

.pixel-button:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-dark);
  border-bottom: 2px solid var(--color-orange);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  display: block;
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--color-white);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-orange);
  transition: width 0.2s;
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-orange);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.is-active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-hamburger.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
}

.hero-content {
  max-width: 800px;
}

.hero-logo {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin-bottom: 32px;
}

.hero-tagline,
.hero-tagline-fallback {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--color-white-muted);
  margin-bottom: 48px;
  line-height: 2;
  min-height: 2em;
}

.hero-tagline .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--color-orange);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ---- About ---- */
.about {
  background: var(--color-dark-lighter);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-white-muted);
  margin-bottom: 20px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

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

.about-logo-img {
  width: 280px;
  height: 280px;
  filter: drop-shadow(0 0 40px rgba(240, 120, 0, 0.2));
}

/* ---- Events ---- */
.events {
  background: var(--color-dark);
}

.events-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.pixel-card {
  background: var(--color-dark-card);
  border: 3px solid var(--color-orange);
  box-shadow: 4px 4px 0 0 var(--color-orange-dark);
  padding: 32px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.pixel-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--color-orange-dark);
}

.card-icon {
  margin-bottom: 20px;
}

.card-icon svg {
  width: 48px;
  height: 48px;
}

.card-title {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-orange);
  margin-bottom: 12px;
}

.card-description {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-white-muted);
  margin-bottom: 16px;
}

.card-badge {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--color-dark);
  background: var(--color-orange);
  padding: 6px 12px;
  letter-spacing: 1px;
}

/* ---- Join ---- */
.join {
  background: var(--color-orange);
  color: var(--color-dark);
}

.join .section-title {
  color: var(--color-dark);
}

.join-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.join-card {
  background: var(--color-dark);
  padding: 32px;
  box-shadow: 4px 4px 0 0 var(--color-orange-dark);
}

.join-card-title {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-orange);
  margin-bottom: 12px;
}

.join-card-text {
  font-size: 14px;
  color: var(--color-white-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.email-input {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  border: 2px solid var(--color-orange);
  background: var(--color-dark-lighter);
  color: var(--color-white);
  outline: none;
  transition: border-color 0.2s;
}

.email-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.email-input:focus {
  border-color: var(--color-orange-light);
}

.email-submit {
  font-size: 10px;
  padding: 14px 20px;
}

.join-whatsapp {
  font-size: 10px;
  padding: 14px 20px;
  width: 100%;
  justify-content: center;
}

.join-whatsapp svg {
  width: 16px;
  height: 16px;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-dark);
  border-top: 2px solid var(--color-orange);
  padding: 60px 0 40px;
  text-align: center;
}

.footer-logo {
  max-width: 400px;
  margin-bottom: 32px;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-white-muted);
  border: 2px solid var(--color-white-muted);
  transition: color 0.2s, border-color 0.2s, transform 0.15s;
}

.social-link:hover {
  color: var(--color-orange);
  border-color: var(--color-orange);
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 0 var(--color-orange);
}

.footer-copyright {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--color-white-muted);
  letter-spacing: 1px;
}

/* ---- Active Nav Link ---- */
.nav-link--active {
  color: var(--color-orange);
}

.nav-link--active::after {
  width: 100%;
}

/* ---- Organizers Page ---- */
.organizers-hero {
  padding-top: calc(var(--nav-height) + 60px);
}

.organizers-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--color-white-muted);
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.8;
}

.organizers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.organizer-card {
  text-align: center;
  padding: 40px 24px;
}

.organizer-avatar {
  width: 80px;
  height: 80px;
  background: var(--color-orange);
  color: var(--color-dark);
  font-family: var(--font-pixel);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 3px 3px 0 0 var(--color-orange-dark);
}

.organizer-name {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-orange);
  margin-bottom: 8px;
}

.organizer-role {
  font-size: 14px;
  color: var(--color-white-muted);
}

/* ---- Become an Organizer ---- */
.become-organizer {
  background: var(--color-orange);
  color: var(--color-dark);
}

.become-organizer .section-title {
  color: var(--color-dark);
}

.become-organizer-text {
  text-align: center;
  font-size: 16px;
  color: var(--color-dark);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.become-organizer-cta {
  text-align: center;
}

.become-organizer-button {
  background: var(--color-dark);
  color: var(--color-white);
  box-shadow:
    4px 4px 0 0 var(--color-orange-dark),
    -1px -1px 0 0 rgba(255, 255, 255, 0.1) inset;
}

.become-organizer-button:hover {
  color: var(--color-white);
  transform: translate(2px, 2px);
  box-shadow:
    2px 2px 0 0 var(--color-orange-dark);
}

/* ---- Scroll Animations ---- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ---- Mobile Nav Overlay ---- */
.nav-overlay {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.nav-overlay.is-open {
  display: flex;
}

.nav-overlay .nav-link {
  font-size: 16px;
}

/* ---- Responsive ---- */
@media (max-width: 767px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-logo {
    max-width: 320px;
  }

  .hero-tagline,
  .hero-tagline-fallback {
    font-size: 11px;
    line-height: 2.2;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-logo {
    order: -1;
  }

  .about-logo-img {
    width: 180px;
    height: 180px;
  }

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

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

  .organizer-card {
    padding: 32px 20px;
  }

  .pixel-card {
    padding: 24px;
  }

  .card-title {
    font-size: 12px;
  }

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

  .join-subtitle {
    font-size: 15px;
  }

  .footer-logo {
    max-width: 280px;
  }

  .pixel-button {
    font-size: 10px;
    padding: 14px 20px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-logo {
    max-width: 480px;
  }

  .section-title {
    font-size: 18px;
  }
}