/* ==========================================================================
   PT GEOTEC PATRA MULIA — Stylesheet utama
   Warna diambil langsung dari logo perusahaan.
   ========================================================================== */

:root {
  /* Warna brand */
  --navy:        #00224C;
  --navy-deep:   #001635;
  --navy-soft:   #123566;
  --gold:        #C89426;
  --gold-lt:     #E5BC5E;
  --paper:       #EEF1F5;
  --paper-warm:  #F7F9FB;
  --slate:       #55637A;
  --line:        #D5DCE6;
  --white:       #FFFFFF;

  /* Tipografi */
  --display: 'Archivo', 'Segoe UI', sans-serif;
  --body:    'IBM Plex Sans', 'Segoe UI', sans-serif;
  --mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* Ukuran */
  --wrap: 1180px;
  --gutter: 24px;
  --radius: 4px;
  --header-h: 76px;
}

/* --------------------------------------------------------------- Dasar -- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--navy);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.15rem); font-stretch: 112%; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-stretch: 108%; }
h3 { font-size: 1.18rem; letter-spacing: -0.01em; }
p  { margin: 0 0 1em; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--gold); color: var(--navy-deep);
  padding: 12px 20px; z-index: 999; font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

/* ------------------------------------------------------- Label & eyebrow -- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--gold);
  flex: none;
}
.eyebrow--dark { color: var(--navy-soft); }
.eyebrow--dark::before { background: var(--navy-soft); }

.lead {
  font-size: 1.1rem;
  color: var(--slate);
  max-width: 62ch;
}

/* ------------------------------------------------------------- Tombol --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--gold { background: var(--gold); color: var(--navy-deep); }
.btn--gold:hover { background: var(--gold-lt); }

.btn--outline { border-color: rgba(255,255,255,.4); color: var(--white); }
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-soft); }

.btn--ghost { border-color: var(--line); color: var(--navy); background: var(--white); }
.btn--ghost:hover { border-color: var(--navy); }

/* ------------------------------------------------------------- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { height: 52px; width: auto; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--navy);
  padding: 9px 13px;
  border-radius: var(--radius);
  transition: background .16s ease;
}
.nav a:hover { background: var(--paper); }
.nav a[aria-current="page"] {
  color: var(--gold);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--gold);
  border-radius: 0;
}
.nav .btn { margin-left: 10px; padding: 10px 18px; }

.nav-toggle {
  display: none;
  position: relative;
  background: none;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  width: 44px; height: 42px;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px; height: 2px;
  background: var(--navy);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after { content: ''; position: absolute; }
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after  { transform: translateY(6px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg); }

/* -------------------------------------------------------------- Depth --- */
/* Signature: rel penanda kedalaman di sisi kiri, mengikuti scroll. */
.depth-rail {
  position: fixed;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: none;
  font-family: var(--mono);
  pointer-events: none;
}
.depth-rail::before {
  content: '';
  position: absolute;
  left: 5px; top: -70px; bottom: -70px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line) 15%, var(--line) 85%, transparent);
}
.depth-step {
  position: relative;
  padding-left: 22px;
  margin: 20px 0;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: #8494AB;
  transition: color .3s ease;
}
.depth-step::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 11px; height: 1px;
  background: var(--line);
  transition: width .3s ease, background .3s ease;
}
.depth-step .m { display: block; font-size: 0.62rem; opacity: .7; }
.depth-step.is-active { color: var(--gold); }
.depth-step.is-active::before { width: 18px; background: var(--gold); }

@media (min-width: 1400px) { .depth-rail { display: block; } }

/* ---------------------------------------------------------------- Hero -- */
.hero {
  position: relative;
  background: var(--navy-deep);
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(900px 420px at 78% 8%, rgba(200,148,38,.16), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
  padding: 84px 0 76px;
}
.hero h1 { color: var(--white); margin-bottom: 22px; }
.hero h1 .accent { color: var(--gold); }
.hero p.lead { color: #BCC8DA; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero-figure { position: relative; }
.hero-figure svg { width: 100%; height: auto; }

/* Strip kredensial di bawah hero */
.credentials {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,.13);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.credentials div {
  padding: 20px 22px 22px 0;
  border-right: 1px solid rgba(255,255,255,.13);
}
.credentials div:last-child { border-right: 0; }
.credentials dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.credentials dd {
  margin: 0;
  font-size: 0.92rem;
  color: #D3DBE7;
  line-height: 1.45;
}

/* ------------------------------------------------------------ Section --- */
.section { padding: 88px 0; }
.section--tight { padding: 64px 0; }
.section--white { background: var(--white); }
.section--paper { background: var(--paper); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy .lead { color: #B9C6D9; }

.section-head { max-width: 66ch; margin-bottom: 46px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* --------------------------------------------------------------- Kartu -- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
  gap: 20px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 28px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 14px 34px -20px rgba(0,34,76,.45);
}
.card .icon {
  width: 42px; height: 42px;
  margin-bottom: 18px;
  color: var(--gold);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--slate); font-size: 0.95rem; margin-bottom: 0; }
.card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--slate);
  font-size: 0.9rem;
}
.card ul li { margin-bottom: 5px; }

.card--paper { background: var(--paper-warm); }

/* ------------------------------------------------------------- Metode --- */
.method-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.method-table caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  padding-bottom: 14px;
}
.method-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--slate);
  padding: 0 14px 12px 0;
  border-bottom: 1px solid var(--line);
}
.method-table td {
  padding: 17px 14px 17px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--slate);
}
.method-table td:first-child {
  color: var(--navy);
  font-weight: 600;
  white-space: nowrap;
}
.method-table td.depth {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--gold);
  white-space: nowrap;
}
.table-scroll { overflow-x: auto; }

/* -------------------------------------------------------------- Proses -- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-top: 1px solid rgba(255,255,255,.14);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
.step-num {
  counter-increment: step;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 4px;
}
.step-num::before { content: 'TAHAP ' counter(step, decimal-leading-zero); }
.step h3 { margin-bottom: 6px; }
.step p { color: #B4C2D6; margin-bottom: 0; font-size: 0.96rem; }

/* -------------------------------------------------------------- Sektor -- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--white);
  color: var(--navy);
}

/* ----------------------------------------------------------------- CTA -- */
.cta-band {
  background: var(--gold);
  color: var(--navy-deep);
  padding: 56px 0;
}
.cta-band h2 { color: var(--navy-deep); margin-bottom: 10px; }
.cta-band p { color: rgba(0,22,53,.78); max-width: 56ch; margin-bottom: 0; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}
.cta-band .btn--navy:hover { background: var(--navy-deep); }

/* ---------------------------------------------------------- Legalitas --- */
.legal-list { border-top: 1px solid var(--line); }
.legal-list div {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.legal-list dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 3px;
}
.legal-list dd { margin: 0; font-weight: 500; }

/* -------------------------------------------------------------- Kontak -- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.contact-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.contact-item:first-of-type { border-top: 1px solid var(--line); }
.contact-item .icon { width: 22px; height: 22px; color: var(--gold); flex: none; margin-top: 4px; }
.contact-item h3 { font-size: 0.94rem; margin-bottom: 3px; }
.contact-item p { margin: 0; color: var(--slate); font-size: 0.95rem; }
.contact-item a { color: var(--slate); text-decoration: none; }
.contact-item a:hover { color: var(--gold); }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 7px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--body);
  font-size: 0.98rem;
  color: var(--navy);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-warm);
  transition: border-color .16s ease, background .16s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  background: var(--white);
  outline: none;
}
.field textarea { resize: vertical; min-height: 118px; }
.form-note { font-size: 0.82rem; color: var(--slate); margin: 14px 0 0; }

.map-embed {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  line-height: 0;
}
.map-embed iframe { width: 100%; height: 340px; border: 0; }

/* -------------------------------------------------------------- Footer -- */
.site-footer {
  background: var(--navy-deep);
  color: #9FADC2;
  padding: 60px 0 28px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 40px;
}
.site-footer img.footer-logo {
  height: 58px;
  width: auto;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
  opacity: .92;
}
.site-footer h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: #9FADC2; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: #79879C;
}

/* --------------------------------------------------------- WA floating -- */
.wa-float {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 26px -8px rgba(0,0,0,.45);
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ------------------------------------------------------------- Halaman -- */
.page-head {
  background: var(--navy);
  color: var(--white);
  padding: 62px 0 58px;
}
.page-head h1 { color: var(--white); margin-bottom: 14px; }
.page-head .lead { color: #B9C6D9; margin-bottom: 0; }

/* Reveal saat scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Animasi bor pada hero */
@keyframes drill-down {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(9px); }
  100% { transform: translateY(0); }
}
@keyframes pulse-ring {
  0%   { r: 5; opacity: .85; }
  100% { r: 34; opacity: 0; }
}
.drill-rig { animation: drill-down 3.4s ease-in-out infinite; transform-origin: center; }
.ping { animation: pulse-ring 3s ease-out infinite; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------ Responsif -- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 52px; }
  .credentials { grid-template-columns: repeat(2, 1fr); }
  .credentials div:nth-child(2) { border-right: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 62px 0; }

  .nav-toggle { display: flex; }
  .nav {
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 14px var(--gutter) 22px;
    box-shadow: 0 18px 30px -22px rgba(0,34,76,.5);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 4px; }
  .nav a[aria-current="page"] { box-shadow: none; }
  .nav .btn { margin: 10px 0 0; justify-content: center; }

  .step { grid-template-columns: 1fr; gap: 6px; }
  .legal-list div { grid-template-columns: 1fr; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .form-card { padding: 26px 20px; }
}

@media (max-width: 480px) {
  .credentials { grid-template-columns: 1fr; }
  .credentials div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); padding-right: 0; }
  .credentials div:last-child { border-bottom: 0; }
}

/* Cetak */
@media print {
  .site-header, .wa-float, .depth-rail, .cta-band { display: none; }
  body { background: #fff; }
}


/* Pengaman: konten tetap tampil bila JavaScript tidak aktif */
.no-js .reveal { opacity: 1; transform: none; }