/* Dasar bersama semua halaman desktop: variabel, reset, navbar, footer, tombol, page header, WhatsApp mengambang. */

:root {
    --primary: #0f172a;
    --secondary: #475569;
    --accent: #ea580c;
    --accent-hover: #c2410c;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; scroll-behavior: smooth; }

body { background-color: var(--light-bg); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.btn-primary { background-color: var(--accent); color: #fff; padding: 12px 28px; border-radius: 6px; font-weight: 500; display: inline-flex; align-items: center; gap: 10px; transition: var(--transition); border: none; cursor: pointer; font-size: 0.95rem; }

.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); padding: 12px 28px; border-radius: 6px; font-weight: 500; display: inline-flex; align-items: center; gap: 10px; transition: var(--transition); cursor: pointer; font-size: 0.95rem; }

.btn-outline:hover { background: var(--accent); color: #fff; }

/* NAVBAR */
header { background-color: rgba(255,255,255,0.97); position: sticky; top: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 16px rgba(0,0,0,0.07); backdrop-filter: blur(12px); }

.nav-container { display: flex; justify-content: space-between; align-items: center; height: 72px; }

.logo { font-size: 1.3rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 8px; }

.logo span { color: var(--accent); }

.nav-menu { display: flex; gap: 22px; align-items: center; }

.nav-link { font-weight: 500; color: var(--secondary); transition: var(--transition); font-size: 0.92rem; }

.nav-link:hover, .nav-link.active { color: var(--accent); }

.nav-link-btn { background: var(--accent); color: #fff !important; padding: 8px 18px; border-radius: 6px; font-size: 0.88rem; }

.nav-link-btn:hover { background: var(--accent-hover); }

.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; background: none; border: none; padding: 6px; border-radius: 6px; }

.hamburger span { display: block; width: 22px; height: 2px; background: var(--primary); border-radius: 2px; transition: all 0.3s ease; }

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }

.hamburger.open span:nth-child(2) { opacity: 0; }

.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; position: sticky; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); z-index: 999; box-shadow: 0 8px 20px rgba(0,0,0,0.08); padding: 8px 20px 14px; flex-direction: column; border-top: 1px solid #f1f5f9; }

.mobile-nav.open { display: flex; }

.mobile-nav a { padding: 12px 0; color: var(--primary); font-weight: 500; font-size: 0.93rem; border-bottom: 1px solid #f1f5f9; display: flex; align-items: center; gap: 10px; }

.mobile-nav a:last-child { border-bottom: none; }

.mobile-nav a i { width: 18px; color: var(--accent); font-size: 0.82rem; }

/* PAGE HEADER */
.page-header { background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%); padding: 50px 0 40px; color: #fff; }

.page-header h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 8px; }

.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.85rem; color: #64748b; margin-bottom: 15px; }

.breadcrumb a { color: #94a3b8; transition: var(--transition); }

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

.breadcrumb i { font-size: 0.7rem; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }

.about-img { border-radius: 12px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

.about-text p { color: var(--secondary); margin-bottom: 18px; }

.features-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; margin-bottom: 24px; }

.feature-item { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--primary); font-size: 0.92rem; }

.feature-item i { color: var(--accent); flex-shrink: 0; }

.certifications { display: flex; gap: 10px; align-items: center; border-top: 1px solid #e2e8f0; padding-top: 18px; flex-wrap: wrap; }

.milestone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }

.milestone-card i { font-size: 2.2rem; color: var(--accent); margin-bottom: 12px; display: block; }

.milestone-card h3 { font-size: 2.4rem; font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; justify-content: center; gap: 2px; }

.milestone-card p { color: #94a3b8; font-size: 0.95rem; }

/* CTA */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%); padding: 56px 24px; text-align: center; color: #fff; margin: 60px 0; border-radius: 14px; box-shadow: 0 10px 30px rgba(15,23,42,0.2); }

.cta-banner h2 { font-size: 2rem; margin-bottom: 14px; }

.cta-banner p { font-size: 1rem; color: #cbd5e1; max-width: 580px; margin: 0 auto 28px; }

.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* FOOTER */
footer { background-color: #020617; color: #64748b; padding: 28px 0; border-top: 1px solid rgba(255,255,255,0.05); text-align: center; font-size: 0.88rem; }

@keyframes pulse-wa { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.7); } 70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

.blog-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,0.08); }

/* ── Utilitas kecil (menggantikan style inline) ── */
.pt-0 { padding-top: 0; }
.pb-40 { padding-bottom: 40px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }
.center-block { text-align: center; }
.h2-lg { font-size: 2rem; }
.empty-note { text-align: center; color: #666; }
.bc-current { color: #fff; }
.btn-outline-light { color: #fff; border-color: #fff; }
.hp-field { position: absolute; left: -9999px; }
.mobile-nav a.active { color: var(--accent); }