/* =============================================================================
   MASMTEC - Custom Stylesheet
   Variabel warna & kelas utilitas kustom (di luar utilitas bawaan Tailwind).
   ========================================================================== */

:root {
  /* Palet warna brand MASMtec resmi:
     Navy #0B2D4A / Blue #007BFF / Teal #00BFA6 / Green #34D399 / Gold #F7C948 / Gray #6B7280 */
  --background: #F8F9FC;
  --foreground: #1A1F2E;
  --primary: #0B2D4A;
  --primary-foreground: #FFFFFF;
  --secondary: #EAF6F4;
  --secondary-foreground: #0B2D4A;
  --accent: #00BFA6;
  --accent-foreground: #06251F;
  --muted: #F1F4F9;
  --muted-foreground: #6B7280;
  --card: #FFFFFF;
  --card-foreground: #1A1F2E;
  --border: #E2E8F0;
  --input: #E2E8F0;
  --ring: #0B2D4A;
  --radius: 0.75rem;
  --font-sans: 'Montserrat', sans-serif;

  /* Warna pendukung brand (dipakai untuk gradasi/aksen sekunder) */
  --brand-blue: #007BFF;
  --brand-green: #34D399;
  --brand-gold: #F7C948;

  /* Versi "channel RGB" (tanpa fungsi warna) dari variabel di atas — dipakai
     oleh tailwind.config.js lewat pola rgb(var(--x-rgb) / <alpha-value>)
     supaya utilitas modifier opacity seperti bg-card/95, text-white/70 pada
     warna kustom (bukan warna bawaan Tailwind) bisa dihasilkan dengan benar.
     PENTING: kalau warna di atas diubah, sinkronkan juga nilai RGB di sini. */
  --background-rgb: 248 249 252;
  --foreground-rgb: 26 31 46;
  --primary-rgb: 11 45 74;
  --primary-foreground-rgb: 255 255 255;
  --secondary-rgb: 234 246 244;
  --secondary-foreground-rgb: 11 45 74;
  --accent-rgb: 0 191 166;
  --accent-foreground-rgb: 6 37 31;
  --muted-rgb: 241 244 249;
  --muted-foreground-rgb: 107 114 128;
  --card-rgb: 255 255 255;
  --card-foreground-rgb: 26 31 46;
  --border-rgb: 226 232 240;
  --input-rgb: 226 232 240;
  --ring-rgb: 11 45 74;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

/* ---------------------------------------------------------------------------
   Tipografi custom
   ------------------------------------------------------------------------ */

.text-hero-xl {
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 1.05;
}

.text-section-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.15;
}

/* ---------------------------------------------------------------------------
   Animasi reveal (baris teks & scroll)
   ------------------------------------------------------------------------ */

.line-reveal-wrapper {
  overflow: hidden;
  display: block;
}

.line-reveal-inner {
  /* Catatan: display sengaja TIDAK diatur di sini (biarkan class Tailwind
     seperti block/flex/inline-flex yang menentukan), supaya elemen yang
     memakai "line-reveal-inner flex flex-wrap ..." tetap tampil sebagai
     baris flex, bukan tertimpa jadi block. */
  transform: translateY(100%);
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.line-reveal-inner.revealed {
  transform: translateY(0);
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
}

.line-reveal-wrapper {
    overflow: visible !important;
}

.line-reveal-inner {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.card-hover {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(11, 45, 74, 0.15);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-blue) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-bg {
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 191, 166, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(0, 123, 255, 0.16) 0%, transparent 45%),
    linear-gradient(135deg, #050f1a 0%, #0B2D4A 55%, #071827 100%);
}

.hero-bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 50% 35%, black 0%, transparent 70%);
  mask-image: radial-gradient(circle at 50% 35%, black 0%, transparent 70%);
}

.hero-scrim {
  background: linear-gradient(
    135deg,
    rgba(8, 20, 35, 0.88) 0%,
    rgba(11, 45, 74, 0.72) 40%,
    rgba(8, 20, 35, 0.55) 100%
  );
}

.gold-underline {
  position: relative;
}

.gold-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.blob-primary {
  background: radial-gradient(circle, rgba(11, 45, 74, 0.3) 0%, transparent 70%);
  filter: blur(60px);
}

.blob-accent {
  background: radial-gradient(circle, rgba(0, 191, 166, 0.25) 0%, transparent 70%);
  filter: blur(50px);
}

.section-dark {
  background: linear-gradient(135deg, #071827 0%, #0B2D4A 60%, #071827 100%);
}

.nav-scrolled {
  background: rgba(248, 249, 252, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 24px rgba(11, 45, 74, 0.08);
}

.admin-sidebar-link {
  transition: all 0.2s ease;
}

.admin-sidebar-link:hover {
  background: rgba(11, 45, 74, 0.08);
  color: var(--primary);
}

.admin-sidebar-link.active {
  background: var(--primary);
  color: white;
}

.tech-badge {
  background: var(--secondary);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  border: 1px solid rgba(11, 45, 74, 0.2);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
}

.tech-badge:hover {
  background: var(--primary);
  color: white;
}

.step-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(11, 45, 74, 0.12);
}

.feature-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
  flex-shrink: 0;
}

/* Fallback line-clamp (jika Tailwind CDN tidak memuat utilitas ini) */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------------------------------------------------------------------
   Header publik: transisi warna saat discroll (dikontrol via class .nav-scrolled
   yang ditambahkan oleh main.js pada elemen #site-header)
   ------------------------------------------------------------------------ */

#site-header #mobile-menu-toggle {
  color: #ffffff;
  transition: color 0.3s ease;
}

#site-header .nav-link:not(.text-accent) {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

#site-header .nav-link:not(.text-accent):hover {
  color: #ffffff;
}

#site-header.nav-scrolled #mobile-menu-toggle {
  color: var(--foreground);
}

#site-header.nav-scrolled .nav-link:not(.text-accent) {
  color: var(--muted-foreground);
}

#site-header.nav-scrolled .nav-link:not(.text-accent):hover {
  color: var(--foreground);
}

/* Scrollbar tipis untuk area admin (opsional, kosmetik) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(11, 45, 74, 0.25);
  border-radius: 9999px;
}