/* ==========================================================================
   FAJAR NUGRAHA — MAIN / HOMEPAGE STYLES
   Lokasi: css/main.css
   Fungsi: Gaya khusus untuk Hero Section, WebGIS Container, dan CTA
   ========================================================================== */

/* --- 1. HERO SECTION (Kesan Pertama) --- */
.hero {
  /* Padding atas besar agar tidak tertutup header */
  padding: clamp(140px, 20vh, 180px) 0 100px;
  background-color: var(--bg-main);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 85vh;
  text-align: center;
}

/* Pola Grid Spasial di Background Hero (Identitas Analisis Spasial) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--accent-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-soft) 1px, transparent 1px);
  background-size: 60px 60px;
  /* Membuat efek fade out berbentuk lingkaran di tengah */
  mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(
    circle at center,
    black 20%,
    transparent 80%
  );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  margin-bottom: 1.5rem;
  color: var(--primary);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

/* Mode Gelap Khusus Teks Hero */
body.dark-theme .hero h1 {
  color: var(--text-main);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* --- 2. GLOBAL SECTION UTILITIES --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: -0.02em;
}

body.dark-theme .section-title {
  color: var(--accent); /* Judul aksen di mode gelap */
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

/* --- 3. WEBGIS PREVIEW SECTION --- */
.webgis-section {
  background-color: var(
    --bg-light
  ); /* Beda warna dengan Hero agar terpisah jelas */
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.webgis-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.webgis-container {
  width: 100%;
  /* Clamp memastikan WebGIS lega di desktop, tapi gak kepotong di HP */
  height: clamp(450px, 70vh, 650px);
  background-color: #0f172a; /* Latar gelap saat iframe sedang loading */
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: 0 auto 1.5rem;
  position: relative;
}

.webgis-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.webgis-hint {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --- 4. CALL TO ACTION (CTA) SECTION --- */
.cta {
  padding: 100px 0;
  background-color: var(--primary); /* Latar Utama */
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0; /* Melengkung di atas saja */
  margin-top: 4rem;
}

/* Pola cahaya di background CTA */
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 10% 20%,
      rgba(255, 255, 255, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta h2 {
  color: white;
  font-size: clamp(2.2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
}

.cta p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  color: #e2e8f0;
}

/* --- 5. RESPONSIVE BREAKPOINTS (Mobile) --- */
@media (max-width: 768px) {
  .hero {
    padding: 130px 0 80px;
  }

  .hero-buttons {
    flex-direction: column;
    padding: 0 1rem;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
  }

  .webgis-container {
    height: 400px;
    border-radius: var(--radius-sm);
  }

  .section,
  .cta {
    padding: 70px 0;
  }
}