:root {
  --bg-color: #0f172a; /* Slate 900 */
  --text-color: #f8fafc; /* Slate 50 */
  --text-muted: #94a3b8; /* Slate 400 */
  --accent-color: #38bdf8; /* Sky 400 */
  --accent-hover: #0ea5e9; /* Sky 500 */
  --surface-color: #1e293b; /* Slate 800 */

  --font-heading: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;

  --container-max-width: 1200px;
  --section-spacing: 4rem;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex-grow: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.text-center {
  text-align: center;
}
.text-accent {
  color: var(--accent-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: var(--bg-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--text-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.site-header {
  padding: 1.5rem 0;
  position: absolute;
  width: 100%;
  top: 0;
  z-index: 10;
}

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

.logo {
  height: 40px;
  width: auto;
}

.about-logo {
  display: block;
  margin: 4rem auto 0;
  max-width: 100%;
  height: auto;
  width: 500px;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding-top: 80px; /* Offset for header */
  background: radial-gradient(
      circle at top right,
      rgba(56, 189, 248, 0.1),
      transparent 40%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(56, 189, 248, 0.05),
      transparent 40%
    );
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

section {
  padding: var(--section-spacing) 0;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--accent-color);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.teaser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.teaser-media {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  background: var(--surface-color);
  aspect-ratio: 16/9;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-list li {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
}

.feature-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

.feature-title {
  display: block;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.about-card {
  background: var(--surface-color);
  padding: 3rem 0rem;
  border-radius: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  max-width: 800px;
  margin: 0 auto;
}

.platforms-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.platform-card {
  background: var(--surface-color);
  padding: 2rem;
  border-radius: 12px;
  width: 280px;
  text-align: center;
  transition: transform 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.platform-card .btn {
  margin-top: auto;
}

.platform-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.site-footer {
  padding: 3rem 0;
  background-color: #020617; /* Slate 950 */
  color: var(--text-muted);
  text-align: center;
  margin-top: 4rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.6;
}

/* Social Icons */
.social-icons-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.social-icon {
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-radius: 50%;
}

.social-icon:hover {
  color: var(--accent-color);
  transform: translateY(-3px) scale(1.1);
}

.social-icon svg {
  width: 24px;
  height: 24px;
}

/* Responsive */
@media (min-width: 768px) {
  .teaser-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 900px;
    margin: 0 auto;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.3);
  opacity: 1;
  transition: opacity 0.3s ease; /* enable fade */
  display: none; /* still hide on mobile initially */
}

.scroll-indicator.hidden {
  opacity: 0;
  pointer-events: none;
}

@media (min-width: 768px) {
  .scroll-indicator {
    display: block; /* show on desktop */
  }
}