/* ============================================================
   AURUM SYSTEM INDONESIA — Premium Company Profile
   Dark navy + gold. Fonts: Sora (display) / Inter (body)
   ============================================================ */

:root {
  --bg: #05070d;
  --bg2: #090d17;
  --surface: rgba(255, 255, 255, .035);
  --surface-hover: rgba(255, 255, 255, .06);
  --border: rgba(255, 255, 255, .09);
  --border-gold: rgba(212, 175, 55, .35);
  --gold: #d4af37;
  --gold-light: #f4d978;
  --gold-deep: #a87f1e;
  --gold-grad: linear-gradient(120deg, #f4d978 0%, #d4af37 45%, #b8860b 100%);
  --text: #eef2f9;
  --muted: #96a2b8;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .45);
  --font-d: 'Sora', 'Inter', system-ui, sans-serif;
  --font-b: 'Inter', system-ui, sans-serif;
  --nav-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: rgba(212, 175, 55, .35); color: #fff; }

.container { width: min(1160px, 92%); margin-inline: auto; }

.gold-text {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 12px;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--gold {
  background: var(--gold-grad);
  color: #1a1405;
  box-shadow: 0 10px 30px rgba(212, 175, 55, .28);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(212, 175, 55, .4); }
.btn--ghost {
  background: rgba(255, 255, 255, .04);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--border-gold); color: var(--gold-light); transform: translateY(-2px); }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .3s ease, box-shadow .3s ease, height .3s ease;
}
.nav.scrolled {
  background: rgba(5, 7, 13, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 64px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong {
  font-family: var(--font-d);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 3px;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand__thin { font-size: .58rem; letter-spacing: 2.4px; color: var(--muted); text-transform: uppercase; }

.nav__menu { display: flex; align-items: center; gap: 26px; }
.nav__link {
  font-size: .92rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold-grad);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }
.nav__cta { padding: 10px 18px; font-size: .85rem; }

.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text); margin: 5px 0;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--nav-h) + 40px) 0 60px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); animation: heroZoom 18s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.14); } to { transform: scale(1.02); } }
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,7,13,.92) 0%, rgba(5,7,13,.78) 45%, var(--bg) 100%),
    radial-gradient(900px 500px at 75% 20%, rgba(212,175,55,.10), transparent 60%);
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero__inner { position: relative; z-index: 2; max-width: 820px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--gold-light);
  border: 1px solid var(--border-gold);
  background: rgba(212, 175, 55, .08);
  padding: 8px 16px; border-radius: 100px;
  margin-bottom: 26px;
}
.hero__badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.hero__title {
  font-family: var(--font-d);
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero__sub { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--muted); max-width: 640px; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 54px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  max-width: 760px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.stat strong {
  display: block;
  font-family: var(--font-d);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1.2;
}
.stat span { font-size: .8rem; color: var(--muted); letter-spacing: .4px; }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.section--alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section__head { max-width: 680px; margin-bottom: 60px; }
.section__tag {
  display: inline-block;
  font-size: .78rem; letter-spacing: 2.4px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  position: relative;
  padding-left: 34px;
}
.section__tag::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 24px; height: 1px; background: var(--gold-grad);
}
.section__title {
  font-family: var(--font-d);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -.8px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section__lead { color: var(--muted); font-size: 1.02rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  background: var(--surface-hover);
  box-shadow: var(--shadow);
}

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; margin-bottom: 70px; }
.about__frame { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); }
.about__frame img { width: 100%; height: 460px; object-fit: cover; transition: transform .6s ease; }
.about__frame:hover img { transform: scale(1.04); }
.about__frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(212,175,55,.14), transparent 45%);
}
.about__badge {
  position: absolute; left: 20px; bottom: 20px; z-index: 2;
  background: rgba(5, 7, 13, .85);
  border: 1px solid var(--border-gold);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 14px 20px;
  display: flex; flex-direction: column;
}
.about__badge strong { font-family: var(--font-d); color: var(--gold-light); font-size: 1.05rem; }
.about__badge span { font-size: .76rem; color: var(--muted); }

.about__text p { color: var(--muted); margin-bottom: 18px; }
.about__text p strong { color: var(--text); font-weight: 600; }
.about__points { margin-top: 26px; display: grid; gap: 12px; }
.about__points li { display: flex; align-items: center; gap: 12px; color: var(--text); font-size: .95rem; }
.about__points svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }

/* Visi */
.visi {
  display: flex; gap: 26px; align-items: flex-start;
  background: linear-gradient(120deg, rgba(212,175,55,.10), rgba(212,175,55,.02) 60%);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  padding: 36px 40px;
  margin-bottom: 40px;
}
.visi__icon {
  width: 56px; height: 56px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(212, 175, 55, .12);
  color: var(--gold-light);
  border: 1px solid var(--border-gold);
}
.visi__icon svg { width: 28px; height: 28px; }
.visi__body p { font-family: var(--font-d); font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.65; font-weight: 500; }
.visi__body p strong { color: var(--gold-light); }

/* Misi */
.misi__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.misi { padding: 30px 28px; position: relative; overflow: hidden; }
.misi::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gold-grad);
  opacity: 0; transition: opacity .3s ease;
}
.misi:hover::before { opacity: 1; }
.misi__num {
  font-family: var(--font-d);
  font-size: 2.6rem; font-weight: 800;
  background: var(--gold-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: .9;
  line-height: 1;
}
.misi h3 { font-family: var(--font-d); font-size: 1.08rem; margin: 14px 0 10px; }
.misi p { color: var(--muted); font-size: .92rem; }

/* ---------- Layanan ---------- */
.layanan__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; }
.layanan { padding: 34px 30px; position: relative; overflow: hidden; }
.layanan::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 130px; height: 130px; border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,.10), transparent 70%);
}
.layanan__icon {
  width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(212, 175, 55, .10);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  margin-bottom: 20px;
  transition: transform .3s ease;
}
.layanan:hover .layanan__icon { transform: scale(1.08) rotate(-4deg); }
.layanan__icon svg { width: 26px; height: 26px; }
.layanan h3 { font-family: var(--font-d); font-size: 1.15rem; margin-bottom: 10px; }
.layanan p { color: var(--muted); font-size: .93rem; }

/* ---------- Produk ---------- */
.produk__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 26px; }
.produk { overflow: hidden; display: flex; flex-direction: column; }
.produk__media { position: relative; height: 230px; overflow: hidden; }
.produk__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.produk:hover .produk__media img { transform: scale(1.06); }
.produk__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,7,13,.15), rgba(5,7,13,.85));
}
.produk__label {
  position: absolute; z-index: 2; top: 18px; left: 18px;
  font-size: .7rem; letter-spacing: 1.6px; text-transform: uppercase;
  color: #1a1405; font-weight: 700;
  background: var(--gold-grad);
  padding: 6px 14px; border-radius: 100px;
}
.produk__body { padding: 28px 30px 32px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.produk__body h3 { font-family: var(--font-d); font-size: 1.6rem; letter-spacing: 1px; }
.produk__body p { color: var(--muted); font-size: .94rem; }
.produk__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 10px; }
.produk__tags li {
  font-size: .76rem; color: var(--gold-light);
  border: 1px solid var(--border-gold);
  background: rgba(212, 175, 55, .07);
  padding: 5px 12px; border-radius: 100px;
}

/* ---------- Portofolio ---------- */
.porto__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.porto { padding: 34px 30px; position: relative; }
.porto__icon { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; background: rgba(212,175,55,.10); border: 1px solid var(--border-gold); color: var(--gold-light); margin-bottom: 18px; }
.porto__icon svg { width: 24px; height: 24px; }
.porto__tag {
  position: absolute; top: 26px; right: 26px;
  font-family: var(--font-d); font-size: .72rem; font-weight: 700; letter-spacing: 1.5px;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  padding: 4px 12px; border-radius: 100px;
}
.porto h3 { font-family: var(--font-d); font-size: 1.15rem; margin-bottom: 10px; }
.porto p { color: var(--muted); font-size: .93rem; }

/* Client */
.client { margin-top: 70px; text-align: center; }
.client__label { display: block; font-size: .8rem; letter-spacing: 2.6px; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; }
.client__logos { display: flex; justify-content: center; }
.client__chip {
  display: inline-flex;
  background: #fff;
  border-radius: 14px;
  padding: 18px 36px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, .35);
  border: 1px solid rgba(255,255,255,.15);
  transition: transform .3s ease, box-shadow .3s ease;
}
.client__chip:hover { transform: translateY(-4px); box-shadow: 0 22px 54px rgba(0, 0, 0, .45); }
.client__chip img { max-height: 64px; width: auto; }
.client__name { margin-top: 20px; font-family: var(--font-d); font-weight: 700; font-size: 1.02rem; color: var(--text); letter-spacing: .3px; }
.client__site { margin-top: 5px; font-size: .85rem; color: var(--muted); }
.client__site:hover { color: var(--gold-light); }

/* ---------- CTA ---------- */
.cta { position: relative; padding: 110px 0; overflow: hidden; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta__bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(212,175,55,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(212,175,55,.05) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 20%, transparent 75%); }
.cta__veil { position: absolute; inset: 0; background: radial-gradient(600px 300px at 50% 100%, rgba(212,175,55,.12), transparent 70%); }
.cta__inner { position: relative; z-index: 2; text-align: center; }
.cta__title { font-family: var(--font-d); font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; letter-spacing: -1px; line-height: 1.2; margin-bottom: 18px; }
.cta__sub { color: var(--muted); max-width: 560px; margin: 0 auto 36px; font-size: 1.05rem; }
.cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* ---------- Kontak ---------- */
.kontak__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 30px; align-items: start; }
.kontak__info { display: grid; gap: 16px; }
.info { display: flex; gap: 18px; padding: 24px 26px; align-items: flex-start; }
.info__icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: rgba(212,175,55,.10); border: 1px solid var(--border-gold); color: var(--gold-light); }
.info__icon svg { width: 22px; height: 22px; }
.info h3 { font-family: var(--font-d); font-size: 1rem; margin-bottom: 4px; }
.info p { color: var(--muted); font-size: .9rem; }
.info a:hover { color: var(--gold-light); }

.kontak__form { padding: 34px 32px; }
.kontak__form h3 { font-family: var(--font-d); font-size: 1.3rem; margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 500; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-b);
  font-size: .95rem;
  transition: border-color .25s ease, background .25s ease;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--border-gold);
  background: rgba(212, 175, 55, .05);
}
.form__note { margin-top: 14px; font-size: .78rem; color: var(--muted); text-align: center; }

/* ---------- Footer ---------- */
.footer { background: #030409; border-top: 1px solid var(--border); padding-top: 70px; }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.footer__brand p { color: var(--muted); font-size: .9rem; margin-top: 18px; max-width: 300px; }
.footer__col h4 { font-family: var(--font-d); font-size: .9rem; letter-spacing: 1.4px; text-transform: uppercase; color: var(--gold-light); margin-bottom: 18px; }
.footer__col a { display: block; color: var(--muted); font-size: .9rem; margin-bottom: 10px; transition: color .2s ease, transform .2s ease; }
.footer__col a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer__col p { color: var(--muted); font-size: .9rem; margin-bottom: 10px; }
.footer__bottom { border-top: 1px solid var(--border); padding: 22px 0; }
.footer__bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer__bottom p { font-size: .82rem; color: var(--muted); }
.footer__npwp { color: var(--gold) !important; letter-spacing: .5px; }

/* ---------- WhatsApp FAB ---------- */
.wa-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 34px rgba(37, 211, 102, .4);
  transition: transform .25s ease, box-shadow .25s ease;
}
.wa-fab:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 18px 44px rgba(37, 211, 102, .5); }
.wa-fab svg { width: 28px; height: 28px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__bg img { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__frame img { height: 340px; }
  .kontak__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .nav__menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    background: rgba(5, 7, 13, .97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 26px 24px 34px;
    gap: 18px;
    transform: translateY(-130%);
    transition: transform .35s ease;
    align-items: stretch;
    text-align: center;
  }
  .nav__menu.open { transform: none; }
  .nav__link { font-size: 1.05rem; padding: 8px; }
  .nav__cta { justify-content: center; }
  .nav__toggle { display: block; }
  .section { padding: 80px 0; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .visi { flex-direction: column; padding: 28px 24px; }
}

@media (max-width: 560px) {
  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .produk__grid { grid-template-columns: 1fr; }
  .layanan__grid { grid-template-columns: 1fr; }
  .porto__grid { grid-template-columns: 1fr; }
}