/* ==================================================
   === VARIABEL CSS UNTUK KONSISTENSI DESAIN UTAMA ===
   ================================================== */
:root {
  /* Warna utama (biru, hijau, kuning, abu-abu) */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-900: #1e3a8a;
  --success-500: #10b981;
  --success-600: #059669;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Font */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spasi & Padding */
  --section-padding: 1.5rem 0;
  --container-padding: 1.3rem;

  /* Bayangan (Shadow) */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);

  /* Radius Border */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transisi */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* ================
   === RESPONSIVE VARIABLE PADDING ===
   ================ */
@media (min-width: 992px) {
  :root {
    --section-padding: 2rem 0;
    --container-padding: 2.1rem;
  }
}
@media (max-width: 768px) {
  :root {
    --section-padding: 2.1rem 0;
    --container-padding: 0.8rem;
  }
}

/* =====================
   === STYLES DASAR ===
   ===================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--gray-50);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* ===========================
   === TIPOGRAFI (TYPOGRAPHY) ===
   =========================== */
.font-display {
  font-family: var(--font-display);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--success-500) 50%, var(--warning-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.text-hero {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-lead {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ===================
   === KOMPONEN ===
   =================== */

/* --- Tombol / Button --- */
.btn {
  font-weight: 600;
  border-radius: var(--radius-lg);
  padding: 0.75rem 2rem;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
}
.btn-success {
  background: linear-gradient(135deg, var(--success-500), var(--success-600));
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}
.btn-warning {
  background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--gray-900);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Card --- */
.card {
  border: none;
  border-radius: var(--radius-2xl);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  overflow: hidden;
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--success-500), var(--warning-500));
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.card:hover::before {
  opacity: 1;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

/* --- Navbar --- */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  transition: all var(--transition-normal);
  padding: 1rem 0;
}
.navbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  text-decoration: none;
}
.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition-fast);
  position: relative;
  margin: 0 0.5rem;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: width var(--transition-fast);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* --- Hero Section --- */
.hero-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--primary-50) 100%);
  padding: 2rem 0;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 25% 25%, var(--primary-500) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, var(--success-500) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 1rem 0;
}

/* --- Icon Fitur --- */
.feature-icon {
  width: 80px; height: 80px;
  border-radius: var(--radius-2xl);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-500), var(--success-500));
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.feature-icon::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}
@keyframes shimmer {
  0%   { transform: translateX(-100%) translateY(-100%) rotate(45deg);}
  100% { transform: translateX(100%)  translateY(100%)  rotate(45deg);}
}

/* --- Testimonial --- */
.testimonial-card {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem; left: 1.5rem;
  font-size: 4rem;
  color: var(--primary-200);
  font-family: Georgia, serif;
  line-height: 1;
}

/* --- Section Statistik --- */
.stats-section {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.stat-item {
  text-align: center;
  position: relative;
  z-index: 2;
}
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: white;
  display: block;
}
.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
  font-weight: 500;
}

/* --- Badge Premium --- */
.badge-premium {
  background: linear-gradient(135deg, var(--primary-500), var(--success-500));
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- Animasi Floating --- */
.floating {
  animation: floating 3s ease-in-out infinite;
}
@keyframes floating {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-20px);}
}

/* ================
   === RESPONSIVE ===
   ================ */
@media (max-width: 768px) {
  .hero-section {
    min-height: 70vh;
    padding-top: 80px;
    text-align: center;
  }
  .text-hero { font-size: 2.5rem; }
  .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
  .feature-icon { width: 60px; height: 60px; }
  .stat-number { font-size: 2rem; }
}
@media (max-width: 575px) {
  .navbar-brand img { height: 30px; }
  .hero-section { padding-top: 80px; }
}

/* =====================
   === LOADING ANIMASI ===
   ===================== */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--gray-50);
  display: flex;
  align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}
.loading-spinner {
  width: 50px; height: 50px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg);}
  100% { transform: rotate(360deg);}
}

/* ========================
   === KELAS UTILITY DLL ===
   ======================== */
.glass {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
}
.section-padding { padding: var(--section-padding);}
.container-padding {
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Hover efek pada card/produk */
.hover-lift { transition: transform var(--transition-normal);}
.hover-lift:hover { transform: translateY(-4px);}

/* === SCROLL PROGRESS BAR === */
.scroll-indicator {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--gray-200);
  z-index: 1000;
}
.scroll-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--success-500));
  width: 0%;
  transition: width 0.1s ease-out;
}
.navbar-brand img {
  margin-top: 0;
  margin-bottom: 0;
  vertical-align: middle;
}

/* ===========================
   === KHUSUS PRODUK.HTML ===
   =========================== */
.produk-card:hover {
  transform: translateY(-7px) scale(1.03);
  box-shadow: 0 10px 28px 0 rgba(59,130,246,0.13), 0 2px 4px 0 rgba(0,0,0,0.04);
  transition: .18s cubic-bezier(.4,0,.2,1);
}
@media (max-width: 768px) {
  .produk-card { margin-bottom: 2rem; }
}

/* ==============================
   === FIX JARAK ANTAR SECTION ===
   ============================== */
.homepage section {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}
.homepage .hero-section + section {
  margin-top: 1rem !important;
}
.homepage section .container {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.homepage .section-padding {
  padding: 1rem 0 !important;
}
.homepage .stats-section {
  padding: 1.5rem 0 !important;
}
.homepage .illustration-section {
  padding: 0.5rem 0 !important;
  margin: 0 !important;
}
section + section {
  margin-top: 0 !important;
}
@media (max-width: 768px) {
  .hero-section {
    padding-top: 6rem;
    margin-top: 2rem;
  }
}

.testimonial-img {
  cursor: pointer;
  transition: transform 0.3s ease;
  border-radius: 10px; /* Optional: sudut sedikit melengkung */
}

.testimonial-img:hover {
  transform: scale(1.05); /* Efek hover sedikit membesar */
}

.popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.popup-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  text-align: center;
}

.popup-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.close-btn {
  position: absolute;
  top: -20px;
  right: -20px;
  font-size: 30px;
  color: white;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  padding: 5px 10px;
}
 /* ========= Contact Polished ========= */
.contact-card {
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.6));
  backdrop-filter: blur(8px);
  border: 1px solid rgba(15, 23, 42, .08);
  box-shadow: 0 20px 50px rgba(2, 6, 23, .08);
}

/* header strip dengan gradient halus */
.contact-card__header {
  padding: 18px 22px;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(59,130,246,.15) 0%, rgba(16,185,129,.10) 35%, rgba(255,255,255,0) 70%),
    linear-gradient(180deg, rgba(241,245,249,.8), rgba(241,245,249,.35));
  border-bottom: 1px solid rgba(15, 23, 42, .06);
}
.brand-badge {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: #fff; border: 1px solid rgba(2,6,23,.08);
  box-shadow: 0 6px 16px rgba(2,6,23,.06);
}
.brand-badge img { width: 28px; height: 28px; object-fit: contain; }

/* action buttons */
.contact-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px 18px 6px;
}
.btn-contact {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 12px; padding: 12px 14px; font-weight: 700;
  color: #fff; border: none;
  box-shadow: 0 10px 24px rgba(2,6,23,.10);
  transition: transform .15s ease, box-shadow .2s ease, opacity .2s;
}
.btn-contact i { font-size: 1.2rem; }
.btn-contact:hover { transform: translateY(-1px); box-shadow: 0 14px 28px rgba(2,6,23,.14); }
.btn-contact:active { transform: translateY(0); opacity: .9; }
.btn-wa { background: linear-gradient(90deg, #22c55e, #16a34a); }
.btn-tg { background: linear-gradient(90deg, #2563eb, #1d4ed8); }

/* details list */
.contact-details {
  padding: 10px 18px 18px;
  display: grid; gap: 12px;
}
.detail {
  display: grid; grid-template-columns: 44px 1fr; align-items: start; gap: 12px;
  padding: 12px; border-radius: 14px;
  border: 1px solid rgba(15,23,42,.06);
  background: rgba(255,255,255,.6);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.detail:hover {
  border-color: rgba(59,130,246,.28);
  background: rgba(255,255,255,.9);
  box-shadow: 0 6px 16px rgba(2,6,23,.06);
}
.detail .icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(59,130,246,.12), rgba(16,185,129,.12));
  border: 1px solid rgba(59,130,246,.18);
  color: #0f172a;
}
.detail .icon i { font-size: 20px; }
.detail .label { font-weight: 700; margin-bottom: 2px; color: #0f172a; }
.detail .value { color: #334155; }

/* copy chips */
.copy-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .78rem; padding: .22rem .55rem;
  border-radius: .6rem; border: 1px solid rgba(148,163,184,.45);
  background: #fff; color: #0f172a; cursor: pointer; user-select: none;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}
.copy-chip i { font-size: .95rem; }
.copy-chip:hover { background: #f8fafc; border-color: rgba(148,163,184,.7); }
.copy-chip:active { transform: translateY(1px); }

/* toast */
.copy-toast {
  position: fixed; left: 50%; bottom: 18px;
  transform: translateX(-50%) translateY(20px);
  background: #0f172a; color: #e2e8f0;
  padding: .55rem .9rem; border-radius: .6rem; font-size: .85rem;
  box-shadow: 0 10px 26px rgba(2,6,23,.32);
  opacity: 0; pointer-events: none;
  transition: transform .2s ease, opacity .2s ease; z-index: 9999;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* responsiveness */
@media (max-width: 576px) {
  .contact-actions { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 38px 1fr; }
  .detail .icon { width: 38px; height: 38px; border-radius: 10px; }
}
@media (max-width: 400px) {
  .btn-contact { padding: 10px 12px; font-size: .9rem; }
  .btn-contact i { font-size: 1rem; }
}