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

:root {
  /* Desert Gold + Teal palette */
  --clr-bg: #0b0f14;
  --clr-bg-alt: #111820;
  --clr-surface: #171f2a;
  --clr-surface-hover: #1e2936;
  --clr-border: #243040;
  --clr-text: #e2e8f0;
  --clr-text-dim: #8896a8;
  --clr-primary: #d4a03c;
  --clr-primary-light: #e8c068;
  --clr-accent: #2eaaaa;
  --clr-accent-light: #3fd4d4;
  --clr-gradient: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));

  --ff-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --ff-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --max-w: 1200px;
  --radius: 12px;
  --radius-sm: 8px;

  --transition: 0.3s ease;
}

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

body {
  font-family: var(--ff-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--clr-primary-light);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--clr-accent-light); }

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  padding: 0.6rem 0;
  box-shadow: 0 1px 0 var(--clr-border);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: -0.02em;
}
.nav-brand:hover { color: var(--clr-primary-light); }
.nav-logo { width: 32px; height: 32px; color: var(--clr-primary); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav-links a:hover { color: var(--clr-text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 160, 60, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(46, 170, 170, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 8rem 1rem 6rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-primary);
  border: 1px solid rgba(212, 160, 60, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero-sub {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
  color: var(--clr-text-dim);
  line-height: 1.7;
}

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

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--clr-gradient);
  color: #0b0f14;
  border-color: transparent;
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #0b0f14;
  box-shadow: 0 4px 20px rgba(212, 160, 60, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary-light);
  transform: translateY(-1px);
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 0;
}
.section-dark {
  background: var(--clr-bg-alt);
}

.section-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--clr-text-dim);
  max-width: 640px;
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  color: var(--clr-text);
}
.card:hover {
  background: var(--clr-surface-hover);
  border-color: var(--clr-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  color: var(--clr-text);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--clr-text-dim);
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 1rem;
}

.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-primary-light);
  letter-spacing: 0.02em;
}
.card:hover .card-link { color: var(--clr-accent-light); }

/* ===== TWO COLUMN ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2rem;
}

.col-text p {
  color: var(--clr-text-dim);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.col-features h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.col-features > p {
  color: var(--clr-text-dim);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  margin-bottom: 2rem;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--clr-text-dim);
}
.feature-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
}

/* ===== CONFIG GRID ===== */
.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.config-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition);
}
.config-card:hover {
  border-color: var(--clr-accent);
}

.config-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  margin-bottom: 0.5rem;
}

.config-value {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--ff-mono);
  color: var(--clr-primary-light);
}

.config-note {
  margin-top: 2rem;
  color: var(--clr-text-dim);
  font-size: 0.9rem;
}

/* ===== STEPS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition);
}
.step-card:hover { border-color: var(--clr-primary); }

.step-num {
  font-family: var(--ff-mono);
  font-size: 2rem;
  font-weight: 800;
  background: var(--clr-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--clr-text-dim);
  font-size: 0.92rem;
}
.step-card a {
  color: var(--clr-primary-light);
}

/* ===== JOIN CTA ===== */
.join-cta {
  margin-top: 3rem;
  padding: 2.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  text-align: center;
}

.join-cta h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.join-cta p {
  color: var(--clr-text-dim);
  max-width: 540px;
  margin: 0 auto 1.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--clr-text-dim);
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--clr-text-dim);
}
.footer-links a:hover { color: var(--clr-text); }

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: var(--clr-bg-alt);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.5);
  }
  .nav-links.open { right: 0; }

  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

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

  .hero-content {
    padding: 7rem 1rem 4rem;
  }
}

@media (max-width: 480px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
}