/* ============================================================
   VTI — Vendoura Teknologi Indonesia
   Stylesheet sesuai instruksi-desain-website.md
   ============================================================ */

:root {
  /* Warna inti */
  --teal-pekat:   #0A352C;
  --teal:         #0E5748;
  --hijau-daun:   #447B55;
  --lime:         #D6E03A;
  --putih:        #FFFFFF;

  /* Turunan */
  --lime-terang:  #E6F03E;
  --hijau-kabut:  #EDF3EC;

  /* Peran semantik */
  --warna-teks:          var(--teal-pekat);
  --warna-teks-sekunder: var(--hijau-daun);
  --warna-primer:        var(--teal);
  --warna-aksen:         var(--lime);
  --warna-latar:         var(--putih);
  --warna-latar-gelap:   var(--teal-pekat);

  /* Gradasi resmi */
  --gradasi-hero: linear-gradient(45deg, #0A352C 0%, #0E5748 30%, #447B55 60%, #D6E03A 100%);
  --gradasi-logo: linear-gradient(180deg, #D6E03A 0%, #447B55 50%, #0E5748 100%);

  /* Tipografi */
  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --lebar-konten: 1200px;
  --border-kartu: #E2E8E4;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--warna-teks);
  background: var(--warna-latar);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3 { font-family: var(--font-heading); line-height: 1.15; }
h1 { font-size: 56px; font-weight: 700; }
h2 { font-size: 36px; font-weight: 700; color: var(--teal-pekat); }
h3 { font-size: 24px; font-weight: 500; color: var(--teal); }

a { color: var(--teal); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--teal-pekat); }

.container {
  max-width: var(--lebar-konten);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ===== Tombol ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  border: none;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn svg { width: 18px; height: 18px; }

.btn-primer {
  background: var(--lime);
  color: var(--teal-pekat);
}
.btn-primer:hover {
  background: var(--lime-terang);
  color: var(--teal-pekat);
  transform: translateY(-1px);
}

.btn-sekunder {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}
.btn-sekunder:hover { background: var(--hijau-kabut); color: var(--teal); }

.btn-gelap { background: var(--lime); color: var(--teal-pekat); }
.btn-gelap:hover {
  background: var(--lime-terang);
  color: var(--teal-pekat);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(10, 53, 44, .35);
}

.btn-outline-putih {
  background: transparent;
  color: var(--putih);
  border: 1.5px solid rgba(255, 255, 255, .6);
}
.btn-outline-putih:hover {
  background: rgba(255, 255, 255, .12);
  color: var(--putih);
  border-color: var(--putih);
}

.btn-besar { padding: 16px 40px; font-size: 18px; }

/* ===== Aksen stroke (signature) ===== */
.aksen-stroke {
  display: inline-block;
  width: 36px;
  height: 8px;
  background: var(--lime);
  transform: skewX(-24deg);
  border-radius: 2px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  background: var(--putih);
  border-bottom: 1px solid var(--border-kartu);
  transition: box-shadow .3s ease;
}
.navbar.is-scrolled { box-shadow: 0 4px 20px rgba(10, 53, 44, .08); }

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--teal);
  letter-spacing: .04em;
}
.brand-text small { font-size: 11px; color: var(--hijau-daun); font-weight: 500; }

.nav-menu { display: flex; align-items: center; gap: 32px; }

.nav-link {
  font-weight: 500;
  font-size: 15.5px;
  color: var(--teal-pekat);
  padding: 6px 0;
  border-bottom: 3px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.nav-link:hover { color: var(--teal); }
.nav-link.is-active { border-bottom-color: var(--lime); color: var(--teal); }

.nav-cta { margin-left: 8px; padding: 10px 22px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--teal);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--gradasi-hero);
  padding: 152px 0 120px;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .5;
}

/* Pola diagonal samar (opacity <= 6%) */
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, .05) 0 2px,
    transparent 2px 48px
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  align-items: center;
  gap: 48px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--putih);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 { color: var(--putih); margin-bottom: 24px; }
.hero h1 em { font-style: italic; color: var(--lime); }

.hero-sub {
  color: rgba(255, 255, 255, .9);
  font-size: 19px;
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 64px; }

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 500;
  color: var(--lime);
  line-height: 1;
}
.stat dd {
  color: rgba(255, 255, 255, .85);
  font-size: 14.5px;
  margin-top: 8px;
}

.hero-visual { display: flex; justify-content: center; }
.hero-logo {
  width: min(360px, 80%);
  transform: rotate(-4deg);
  filter: drop-shadow(0 24px 48px rgba(10, 53, 44, .45));
  animation: melayang 7s ease-in-out infinite;
}
@keyframes melayang {
  0%, 100% { transform: rotate(-4deg) translateY(0); }
  50%      { transform: rotate(-4deg) translateY(-18px); }
}

/* Animasi masuk hero */
.anim-hero {
  opacity: 0;
  transform: translateY(28px);
  animation: heroMasuk .8s cubic-bezier(.22, .8, .3, 1) forwards;
}
.delay-1 { animation-delay: .15s; }
.delay-2 { animation-delay: .3s; }
.delay-3 { animation-delay: .45s; }
.delay-4 { animation-delay: .6s; }
@keyframes heroMasuk {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SECTION UMUM
   ============================================================ */
.section { padding: 112px 0; }

.section-kabut { background: var(--hijau-kabut); }

.section-miring {
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
  padding: 144px 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 64px;
}
.section-head .aksen-stroke { margin-bottom: 16px; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { color: var(--warna-teks-sekunder); font-size: 18px; }

/* ============================================================
   PRODUK
   ============================================================ */
.produk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.produk-card {
  position: relative;
  background: var(--putih);
  border: 1px solid var(--border-kartu);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.produk-card:hover {
  border-color: var(--hijau-daun);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(10, 53, 44, .1);
}

.produk-card.is-featured { border: 2px solid var(--teal); }

.badge-live {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--lime);
  color: var(--teal-pekat);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.produk-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
}

.produk-tagline {
  color: var(--warna-teks-sekunder);
  font-weight: 500;
  font-size: 15px;
  margin-top: -8px;
}

.produk-fitur {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.produk-fitur li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
}
.produk-fitur svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--teal);
}

.produk-modul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.produk-modul span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--teal);
  background: var(--hijau-kabut);
  padding: 4px 12px;
  border-radius: 999px;
}

.produk-card .btn { margin-top: auto; align-self: flex-start; }

/* ============================================================
   MODUL ERP
   ============================================================ */
.modul-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.modul-card {
  position: relative;
  background: var(--putih);
  border: 1px solid var(--border-kartu);
  border-radius: 12px;
  padding: 28px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.modul-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.modul-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(10, 53, 44, .08); }
.modul-card:hover::before { transform: scaleX(1); }

.modul-card svg {
  width: 32px;
  height: 32px;
  color: var(--teal);
  margin-bottom: 16px;
}
.modul-card h3 { font-size: 20px; margin-bottom: 8px; }
.modul-card p { font-size: 15px; color: var(--warna-teks-sekunder); }

/* ============================================================
   SECTION GELAP (WEATHER)
   ============================================================ */
.section-gelap {
  position: relative;
  background: var(--warna-latar-gelap);
  overflow: hidden;
}

.section-gelap-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(214, 224, 58, .04) 0 2px,
    transparent 2px 56px
  );
  pointer-events: none;
}

.weather-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.weather-copy .aksen-stroke { margin-bottom: 16px; }
.weather-copy h2 { color: var(--putih); margin-bottom: 24px; }
.weather-copy p { color: rgba(255, 255, 255, .85); margin-bottom: 16px; }
.weather-copy strong { color: var(--lime); font-weight: 600; }

.link-gelap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  font-weight: 600;
  margin-top: 8px;
}
.link-gelap:hover { color: var(--lime-terang); text-decoration: underline; }
.link-gelap svg { width: 18px; height: 18px; transition: transform .2s ease; }
.link-gelap:hover svg { transform: translateX(4px); }

.weather-steps { display: flex; flex-direction: column; gap: 20px; }

.step-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  padding: 24px 28px;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.step-card:hover {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(214, 224, 58, .4);
  transform: translateX(6px);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lime);
  padding-top: 4px;
}
.step-card h3 { color: var(--putih); font-size: 19px; margin-bottom: 4px; }
.step-card p { color: rgba(255, 255, 255, .8); font-size: 15px; }

/* ============================================================
   KEUNGGULAN
   ============================================================ */
.keunggulan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.keunggulan-item { text-align: left; }

.keunggulan-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--hijau-kabut);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background .25s ease;
}
.keunggulan-icon svg { width: 26px; height: 26px; color: var(--teal); }
.keunggulan-item:hover .keunggulan-icon { background: var(--lime); }
.keunggulan-item:hover .keunggulan-icon svg { color: var(--teal-pekat); }

.keunggulan-item h3 { font-size: 20px; margin-bottom: 8px; }
.keunggulan-item p { font-size: 15.5px; color: var(--warna-teks-sekunder); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--gradasi-hero);
  padding: 128px 0;
  text-align: center;
}
.cta-inner h2 { color: var(--putih); margin-bottom: 16px; }
.cta-inner p {
  color: rgba(255, 255, 255, .9);
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto 40px;
}

/* ============================================================
   KONTAK
   ============================================================ */
.kontak-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 64px;
  align-items: start;
}

.kontak-info .aksen-stroke { margin-bottom: 16px; }
.kontak-info h2 { margin-bottom: 16px; }
.kontak-info > p { color: var(--warna-teks-sekunder); margin-bottom: 32px; }

.kontak-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.kontak-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 15.5px; }
.kontak-list svg { width: 22px; height: 22px; color: var(--teal); flex-shrink: 0; }

.kontak-form {
  background: var(--putih);
  border: 1px solid var(--border-kartu);
  border-radius: 16px;
  padding: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 500;
  font-size: 14.5px;
  color: var(--teal-pekat);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--teal-pekat);
  background: var(--putih);
  border: 1.5px solid #C6D2CB;
  border-radius: 10px;
  padding: 12px 16px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(14, 87, 72, .15);
}
.form-group textarea { resize: vertical; }

.form-note {
  font-size: 13.5px;
  color: var(--hijau-daun);
  margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--warna-latar-gelap);
  color: var(--putih);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-logo { width: 56px; margin-bottom: 16px; }
.footer-brand p { font-size: 15px; }
.footer-desc { color: rgba(255, 255, 255, .7); margin-top: 8px; max-width: 300px; }

.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  color: var(--putih);
  margin-bottom: 4px;
}
.footer-col a { color: var(--lime); font-size: 15px; }
.footer-col a:hover { color: var(--lime-terang); text-decoration: underline; }
.footer-col span { color: rgba(255, 255, 255, .7); font-size: 15px; }

.footer-bottom {
  padding-top: 32px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
}

/* ============================================================
   REVEAL ON SCROLL
   Memakai properti `translate` (bukan `transform`) supaya tidak
   menimpa transform :hover pada kartu — keduanya menyusun.
   ============================================================ */
.reveal {
  opacity: 0;
  translate: 0 32px;
  transition: opacity .7s cubic-bezier(.22, .8, .3, 1),
              translate .7s cubic-bezier(.22, .8, .3, 1);
}
.reveal.delay-1 { transition-delay: .12s; }
.reveal.delay-2 { transition-delay: .24s; }
.reveal.delay-3 { transition-delay: .36s; }
.reveal.is-visible { opacity: 1; translate: 0 0; }

/* ============================================================
   RESPONSIF
   ============================================================ */
@media (min-width: 768px) {
  .container { padding-inline: 48px; }
}

@media (max-width: 960px) {
  h1 { font-size: 40px; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }

  .weather-grid { grid-template-columns: 1fr; gap: 48px; }
  .kontak-grid { grid-template-columns: 1fr; gap: 48px; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
  body { font-size: 16px; }

  .section { padding: 80px 0; }
  .section-miring { padding: 104px 0; }

  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 72px;
    inset-inline: 0;
    background: var(--putih);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border-kartu);
    box-shadow: 0 16px 32px rgba(10, 53, 44, .12);
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .3s ease, visibility .3s;
  }
  .nav-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav-link { padding: 14px 0; border-bottom: 1px solid var(--hijau-kabut); }
  .nav-link.is-active { border-bottom-color: var(--lime); }
  .nav-cta { margin: 16px 0 0; justify-content: center; }

  .hero { padding: 128px 0 96px; }
  .hero-stats { gap: 32px; }
  .stat-num { font-size: 28px; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .anim-hero { animation: none; opacity: 1; transform: none; }
  .hero-logo { animation: none; }
  .reveal { transition: none; opacity: 1; translate: none; }
  .hero-canvas { display: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}