/* ========== Amerta Ballon — v2 Design System ========== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* --- Light Theme (default) --- */
:root {
  --bg: #FAFAFA;
  --bg-alt: #F2F2F4;
  --surface: #FFFFFF;
  --border: #E2E2E6;
  --text: #1A1A2E;
  --text-sub: #5A5A72;
  --primary: #E8546C;
  --primary-hover: #D4425A;
  --primary-soft: rgba(232,84,108,.08);
  --accent: #3B82C4;
  --heading: #1A1A2E;
  --nav-bg: rgba(255,255,255,.92);
  --nav-border: #E8E8EC;
  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --overlay: rgba(0,0,0,.75);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: .25s ease;
  --max-w: 1140px;
}

/* --- Dark Theme --- */
[data-theme="dark"] {
  --bg: #0F1117;
  --bg-alt: #161922;
  --surface: #1E212D;
  --border: #2A2D3A;
  --text: #E0E0EA;
  --text-sub: #9898AA;
  --primary: #F06580;
  --primary-hover: #E8546C;
  --primary-soft: rgba(240,101,128,.1);
  --heading: #F0F0F6;
  --nav-bg: rgba(17,17,24,.92);
  --nav-border: #2A2A36;
  --card-shadow: 0 1px 3px rgba(0,0,0,.2), 0 4px 16px rgba(0,0,0,.15);
  --overlay: rgba(0,0,0,.88);
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1 { color: var(--heading); line-height: 1.15; letter-spacing: -.03em; font-weight: 800; }
h2 { color: var(--heading); line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
h3 { color: var(--heading); line-height: 1.3; font-weight: 600; }
h4 { color: var(--heading); line-height: 1.35; font-weight: 600; }
p { line-height: 1.7; }
.container { width: 90%; max-width: var(--max-w); margin: 0 auto; }
section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }

/* ===== SVG ICON BASE ===== */
.icon {
  width: 22px; height: 22px; flex-shrink: 0;
  stroke: currentColor; fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.icon-lg { width: 28px; height: 28px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--nav-border);
  transition: background .3s, border-color .3s, box-shadow .3s;
}
.navbar.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.06); }
[data-theme="dark"] .navbar.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.25); }
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 1.25rem; font-weight: 700; color: var(--heading);
  display: flex; align-items: center; gap: 6px;
}
.nav-logo span { color: var(--primary); }

.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: var(--text-sub);
  padding: 6px 14px; border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary); background: var(--primary-soft);
}

.nav-right { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); transition: var(--transition);
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.nav-cta {
  background: var(--primary); color: #fff;
  padding: 8px 18px; border-radius: 8px;
  font-weight: 600; font-size: .85rem;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { background: var(--primary-hover); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span {
  width: 22px; height: 2px; background: var(--heading);
  transition: var(--transition); border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===== BUTTONS ===== */
.btn {
  padding: 11px 24px; border-radius: 8px; font-weight: 600;
  font-size: .9rem; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer; border: none; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,84,108,.25); }
.btn-outline {
  background: transparent; color: var(--heading);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===== HERO (Full-width Overlay) ===== */
.hero {
  position: relative; padding: 0; min-height: 520px;
  display: flex; align-items: center;
  background-size: cover; background-position: center;
  background-color: #111;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(17,17,24,.92) 0%, rgba(26,26,36,.78) 50%, rgba(26,26,36,.55) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; padding: 120px 0 72px; }
.hero-text { max-width: 640px; }
.hero-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #fff; margin-bottom: 16px;
}
.hero-text h1 em { font-style: normal; color: var(--primary); }
.hero-text > p {
  font-size: 1rem; color: rgba(255,255,255,.75);
  margin-bottom: 20px; max-width: 520px;
}
.hero-checklist {
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  margin-bottom: 28px;
}
.hero-checklist li {
  display: flex; align-items: center; gap: 8px;
  font-size: .88rem; font-weight: 500; color: rgba(255,255,255,.9);
}
.hero-checklist li svg { width: 18px; height: 18px; color: var(--primary); flex-shrink: 0; }
.hero-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-btns .btn-outline {
  color: #fff; border-color: rgba(255,255,255,.3);
}
.hero-btns .btn-outline:hover {
  border-color: #fff; color: #fff; background: rgba(255,255,255,.08);
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 32px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; text-align: center; margin-top: -24px;
  position: relative; z-index: 2;
  box-shadow: var(--card-shadow);
}
.stat-item h3 { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.stat-item p { font-size: .8rem; color: var(--text-sub); margin-top: 2px; }

/* ===== SECTION TITLE ===== */
.section-header { margin-bottom: 40px; }
.section-header.center { text-align: center; }
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 600; color: var(--primary);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px;
}
.section-header h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); }
.section-header p { color: var(--text-sub); max-width: 520px; margin-top: 10px; font-size: .92rem; }
.section-header.center p { margin-left: auto; margin-right: auto; }

/* ===== SERVICE CARDS ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(232,84,108,.08);
  transform: translateY(-2px);
}
.service-icon-wrap {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.service-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.service-card p { font-size: .85rem; color: var(--text-sub); line-height: 1.6; }
.service-card .learn-more {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .8rem; font-weight: 600; color: var(--primary);
  margin-top: 12px; transition: var(--transition);
}
.service-card .learn-more:hover { gap: 8px; }

/* ===== PORTFOLIO GRID ===== */
.portfolio-filters {
  display: flex; gap: 6px; margin-bottom: 24px; flex-wrap: wrap;
}
.portfolio-filters.center { justify-content: center; }
.filter-btn {
  padding: 7px 18px; border-radius: 6px; font-size: .8rem;
  font-weight: 500; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-sub); font-family: inherit; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.portfolio-item {
  border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer; aspect-ratio: 4/3;
  border: 1px solid var(--border);
}
.portfolio-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.portfolio-item:hover img { transform: scale(1.05); }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, var(--overlay) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 14px; opacity: 0; transition: opacity .25s;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay h4 { font-size: .85rem; font-weight: 600; color: #fff; }
.portfolio-overlay span { font-size: .72rem; color: rgba(255,255,255,.7); }
.portfolio-item.hidden { display: none; }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: var(--overlay); display: flex;
  align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.lightbox.active { opacity: 1; pointer-events: all; }
.lightbox img {
  max-width: 90vw; max-height: 85vh; object-fit: contain;
  border-radius: var(--radius-sm);
}
.lightbox-close {
  position: absolute; top: 16px; right: 20px;
  width: 40px; height: 40px; border-radius: 8px;
  background: rgba(255,255,255,.1); border: none;
  color: #fff; font-size: 1.2rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,.2); }

/* ===== WHY US / FEATURES ===== */
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; text-align: center;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.feature-icon {
  width: 48px; height: 48px; margin: 0 auto 12px;
  border-radius: 50%; background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.feature-card h3 { font-size: .95rem; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: .82rem; color: var(--text-sub); }

/* ===== ABOUT SECTION ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.about-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); font-weight: 700; margin-bottom: 14px; }
.about-text h2 em { font-style: normal; color: var(--primary); }
.about-text p { color: var(--text-sub); margin-bottom: 12px; font-size: .92rem; }

/* ===== CTA SECTION ===== */
.cta-banner {
  background: var(--primary); color: #fff;
  border-radius: var(--radius); padding: 48px; text-align: center;
}
.cta-banner h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); font-weight: 700; color: #fff; margin-bottom: 10px; }
.cta-banner p { color: rgba(255,255,255,.85); margin-bottom: 20px; max-width: 440px; margin-left: auto; margin-right: auto; }
.cta-banner .btn {
  background: #fff; color: var(--primary); font-weight: 700;
}
.cta-banner .btn:hover { background: #f0f0f0; transform: translateY(-1px); }

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 104px 0 40px; background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 700; margin-bottom: 8px; }
.page-header p { color: var(--text-sub); font-size: 1rem; max-width: 520px; }

/* ===== LAYANAN DETAIL ===== */
.layanan-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px;
  align-items: center; padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.layanan-block:last-child { border-bottom: none; }
.layanan-block.reverse { direction: rtl; }
.layanan-block.reverse > * { direction: ltr; }
.layanan-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 3/2; }
.layanan-img img { width: 100%; height: 100%; object-fit: cover; }
.layanan-info h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.layanan-info h3 .service-icon-wrap { margin-bottom: 0; }
.layanan-info p { color: var(--text-sub); font-size: .92rem; margin-bottom: 12px; }
.layanan-info ul { margin-top: 8px; }
.layanan-info ul li {
  font-size: .85rem; color: var(--text-sub); padding: 4px 0;
  display: flex; align-items: center; gap: 8px;
}
.layanan-info ul li svg { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: 6px; color: var(--heading); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: inherit; font-size: .9rem;
  background: var(--bg); color: var(--text); transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.contact-info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 12px;
  display: flex; gap: 14px; align-items: flex-start;
}
.contact-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-card h4 { font-size: .9rem; font-weight: 600; margin-bottom: 3px; }
.contact-info-card p { font-size: .85rem; color: var(--text-sub); }
.contact-info-card a { color: var(--primary); font-weight: 500; }

/* ===== MAP ===== */
.map-container {
  position: relative; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}
.map-container iframe {
  display: block; width: 100%; height: 380px; border: 0;
  filter: saturate(.9) contrast(1.05);
}
[data-theme="dark"] .map-container iframe {
  filter: invert(.9) hue-rotate(180deg) saturate(.4) contrast(.9);
}
.map-link {
  position: absolute; bottom: 16px; right: 16px;
  background: var(--surface); color: var(--primary);
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  transition: var(--transition);
}
.map-link:hover { background: var(--primary); color: #fff; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-alt); padding: 48px 0 20px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 28px; margin-bottom: 28px;
}
.footer-brand h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.footer-brand h3 span { color: var(--primary); }
.footer-brand p { font-size: .84rem; color: var(--text-sub); max-width: 280px; }
.footer h4 { font-size: .85rem; font-weight: 600; margin-bottom: 12px; }
.footer ul li { margin-bottom: 6px; }
.footer ul a { font-size: .84rem; color: var(--text-sub); transition: var(--transition); }
.footer ul a:hover { color: var(--primary); }
.footer-bottom {
  text-align: center; padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: .78rem; color: var(--text-sub);
}



/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.testimonial-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.testimonial-stars { color: #F59E0B; font-size: .8rem; margin-bottom: 12px; display: flex; gap: 2px; }
.testimonial-stars svg { width: 16px; height: 16px; fill: #F59E0B; stroke: none; }
.testimonial-card blockquote {
  font-size: .88rem; color: var(--text); line-height: 1.65;
  margin-bottom: 16px; font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem;
}
.testimonial-author h4 { font-size: .85rem; font-weight: 600; margin-bottom: 1px; }
.testimonial-author span { font-size: .75rem; color: var(--text-sub); }

/* ===== FLOATING WHATSAPP ===== */
.float-wa {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.35);
  transition: transform .25s ease, box-shadow .25s ease;
  border: none; cursor: pointer;
}
.float-wa:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(37,211,102,.45); }
.float-wa svg { width: 28px; height: 28px; fill: #fff; }

/* ===== SCROLL ANIMATION ===== */
.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .layanan-block { grid-template-columns: 1fr; gap: 20px; }
  .layanan-block.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--nav-bg); backdrop-filter: blur(10px);
    flex-direction: column; padding: 16px 0; gap: 0;
    transform: translateY(-120%); transition: transform .3s;
    border-bottom: 1px solid var(--nav-border);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 10px 20px; width: 100%; border-radius: 0; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  .hero-text h1 { font-size: 1.7rem; }
  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 20px; }
  section { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}