/* ==========================================================================
   Rapi Digital Nusantara company profile
   Design system: Nocturne (dark), accent diretune ke biru brand logo.
   ========================================================================== */

:root {
  /* ground */
  --color-bg: #0B1020;
  --color-bg-deep: #070B18;
  --color-surface: #141A2E;
  --color-surface-2: #1B2238;
  --color-text: #E9EDF8;
  --color-divider: color-mix(in srgb, #E9EDF8 15%, transparent);

  /* accent diambil dari biru logo */
  --color-accent: #3D9BFF;
  --color-accent-2: #7FC3FF;
  --color-accent-deep: #0B4FC4;

  --color-accent-100: #EAF4FF;
  --color-accent-200: #CFE6FF;
  --color-accent-300: #A6D0FF;
  --color-accent-400: #6DB2FF;
  --color-accent-500: #3D9BFF;
  --color-accent-600: #1F72DB;
  --color-accent-700: #1653A6;
  --color-accent-800: #123B72;
  --color-accent-900: #102647;

  /* pita seksi statistik */
  --color-section: #10254F;
  --color-section-glow: #1A3D80;

  --font-heading: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 0 0 1px color-mix(in srgb, #E9EDF8 10%, transparent);
  --shadow-md: 0 0 0 1px color-mix(in srgb, var(--color-accent) 35%, transparent),
               0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 0 0 1px color-mix(in srgb, #E9EDF8 22%, transparent),
               0 20px 50px rgba(0, 0, 0, 0.6);

  --shell: 1200px;
  --gutter: clamp(20px, 5vw, 72px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* latar bercahaya yang membungkus seluruh halaman */
.page {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(1200px 720px at 82% -160px,
      color-mix(in srgb, var(--color-accent-900) 85%, transparent), transparent 60%),
    radial-gradient(1100px 800px at -10% 100%,
      color-mix(in srgb, #000 35%, transparent), transparent 55%),
    var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}

p { margin: 0 0 12px; }
img, svg { display: block; max-width: 100%; }
figure { margin: 0; }

a {
  color: var(--color-accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}
::selection { background: color-mix(in srgb, var(--color-accent) 35%, transparent); }

.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.muted { color: color-mix(in srgb, var(--color-text) 78%, transparent); }
.lead {
  font-size: 17px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
  max-width: 56ch;
}

/* --- eyebrow: label kecil dengan garis aksen di kiri ---------------------- */
.eyebrow {
  position: relative;
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding-left: 56px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-size: clamp(26px, 2.6vw, 34px);
  letter-spacing: -0.015em;
  margin: 0 0 28px;
}

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent);
}

/* --- buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  padding: 11px 18px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background-color 0.18s ease, border-color 0.18s ease,
              color 0.18s ease, transform 0.18s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  color: #061024;
  background: linear-gradient(135deg, var(--color-accent-2), var(--color-accent));
  border-color: transparent;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #9AD2FF, #58A9FF);
}

.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover {
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-text) 32%, transparent);
}

.btn-ghost {
  color: var(--color-accent);
  padding-inline: 6px;
}
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }

.btn-block { width: 100%; }

/* --- nav ----------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 12px var(--gutter);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: var(--color-text);
}
.brand img { height: 40px; width: auto; }

.brand-word {
  display: block;
  line-height: 1;
}
.brand-word b {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.brand-word b em {
  font-style: normal;
  font-weight: 500;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}
.brand-word small {
  display: block;
  margin-top: 4px;
  font-size: 9px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: inherit;
  font-size: 14px;
  transition: color 0.18s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-accent); }

/* Tombol CTA ada dua kali di markup: satu di dalam daftar (dipakai saat menu
   mobile terbuka), satu di luar (dipakai di desktop). Sembunyikan yang tidak
   relevan per breakpoint agar tidak tampil dobel. */
.nav-links .btn { display: none; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  cursor: pointer;
}
.nav-toggle span {
  position: relative;
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: background-color 0.18s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.22s ease;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* --- hero ---------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
  gap: 48px;
  align-items: center;
  padding: clamp(56px, 9vw, 112px) 0 clamp(48px, 7vw, 88px);
}
.hero h1 {
  font-size: clamp(36px, 4.6vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.hero .lead { margin: 0 0 32px; max-width: 52ch; }

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- stat band ----------------------------------------------------------- */
.stats {
  background:
    radial-gradient(900px 420px at 85% -40%,
      color-mix(in srgb, var(--color-section-glow) 75%, transparent), transparent 64%),
    var(--color-section);
  padding: clamp(40px, 6vw, 64px) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 32px;
}
.stat-value {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(32px, 3.2vw, 44px);
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.stat-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 66%, transparent);
  margin: 0;
}

/* --- generic section ----------------------------------------------------- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-bordered { border-top: 1px solid var(--color-divider); }

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 56px;
  align-items: center;
}

/* --- cards --------------------------------------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 20px;
}
.grid-wide { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 24px; }

/* Galeri portofolio: tiga per baris, dan sisa kartu di baris terakhir
   ditengahkan. Flexbox dipakai karena grid selalu merapatkan sisa ke kiri. */
.porto-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.porto-grid > * {
  flex: 0 1 calc((100% - 48px) / 3);
  min-width: min(300px, 100%);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.card-kicker {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0;
}
.card-title {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.25;
  margin: 0;
}
.card-body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  opacity: 0.8;
  flex: 1;
}

.card-media {
  padding: 0;
  overflow: hidden;
  gap: 0;
}
.card-media:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.card-media-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 7px;
  background: var(--color-accent-800);
  color: var(--color-accent-100);
}

/* --- visual placeholders (SVG abstrak, bisa diganti foto asli) ----------- */
.visual {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(150deg,
      color-mix(in srgb, var(--color-accent-800) 70%, transparent),
      var(--color-surface) 65%);
  box-shadow: var(--shadow-sm);
}
.visual svg { width: 100%; height: 100%; }
.visual-4x3 { aspect-ratio: 4 / 3; }
.visual-1x1 { aspect-ratio: 1 / 1; }
.visual-16x10 { aspect-ratio: 16 / 10; border-radius: 0; }
.visual-16x9 { aspect-ratio: 16 / 9; border-radius: 0; }
.visual-2x1 { aspect-ratio: 2 / 1; border-radius: 0; }

/* Screenshot produk: rata atas supaya bagian header aplikasi tetap terlihat
   saat gambar dipotong mengikuti rasio kartu. */
.visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Foto suasana diberi lapisan biru tipis supaya menyatu dengan tema gelap dan
   tidak terlihat seperti stok yang ditempel begitu saja. */
.visual-photo img {
  object-position: center;
  filter: saturate(0.9) contrast(1.04);
}
.visual-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg,
      color-mix(in srgb, var(--color-accent-800) 28%, transparent),
      color-mix(in srgb, var(--color-bg) 42%, transparent));
  pointer-events: none;
}

/* --- daftar layanan bernomor -------------------------------------------- */
.service-row {
  display: grid;
  grid-template-columns: minmax(min(56px, 100%), 110px) minmax(0, 320px) minmax(0, 1fr);
  gap: 24px 40px;
  align-items: baseline;
  padding: 40px 0;
}

.service-row + .service-row {
  border-top: 1px solid transparent;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent) no-repeat top / 100% 1px;
}
.service-num {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  margin: 0;
}
.service-row h3 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0;
}
.service-row p {
  font-size: 15px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
  margin: 0;
  max-width: 52ch;
}

/* --- paket harga --------------------------------------------------------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 20px;
  align-items: start;
}
/* Empat paket utama yang saling menggantikan, muat sebaris di layar lebar. */
.price-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(min(244px, 100%), 1fr));
  gap: 16px;
}
/* Di lebar menengah empat kartu jadi 3 + 1 dan yang terakhir sendirian.
   Dipaksa 2 x 2 supaya seimbang. */
@media (min-width: 620px) and (max-width: 1199px) {
  .price-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.price-grid-4 .price-card { padding: 24px 20px 22px; }
.price-grid-4 .price-value { font-size: clamp(24px, 2.4vw, 28px); }
.price-grid-4 .price-list li { font-size: 13px; }
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
/* Kartu tengah sengaja ditonjolkan: itu paket yang paling ingin dijual. */
.price-card.is-unggulan {
  background: linear-gradient(170deg,
    color-mix(in srgb, var(--color-accent-800) 45%, var(--color-surface)),
    var(--color-surface) 70%);
  box-shadow: 0 0 0 1px var(--color-accent), 0 16px 40px rgba(0, 0, 0, 0.5);
}
.price-badge {
  position: absolute;
  top: -11px;
  left: 24px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #061024;
  background: linear-gradient(135deg, var(--color-accent-2), var(--color-accent));
  padding: 4px 11px;
  border-radius: 999px;
}
.price-name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 10px;
}
.price-value {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(26px, 2.8vw, 32px);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
}
.price-value small {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.price-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
  margin: 14px 0 18px;
}
.price-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.price-list li {
  position: relative;
  padding-left: 24px;
  font-size: 13.5px;
  line-height: 1.5;
}
.price-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}
.price-list li.is-sorot { font-weight: 500; }
.price-hitung {
  margin: 0 0 20px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent-900) 45%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 22%, transparent);
  font-size: 13.5px;
  line-height: 1.7;
}
.price-hitung b { color: var(--color-accent-2); }
.price-catatan {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  max-width: 62ch;
}

/* Daftar mitra: nama brand plus keterangan singkat apa yang dikerjakan. */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.partner {
  background: var(--color-surface);
  padding: 22px;
}
.partner h3 {
  font-size: 16px;
  letter-spacing: -0.005em;
  margin: 0 0 6px;
}
.partner p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.partner-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

/* --- klien --------------------------------------------------------------- */
.clients {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr));
  gap: 20px;
}
.client-slot {
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px dashed color-mix(in srgb, var(--color-text) 18%, transparent);
  border-radius: var(--radius-md);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.client-slot:hover {
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 50%, transparent);
}

/* --- testimoni ----------------------------------------------------------- */
.quote {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  max-width: 32ch;
  margin: 0;
}
.quote-by {
  font-size: 15px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 64%, transparent);
  margin-top: 24px;
}

/* --- form ---------------------------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.field > label {
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
}
.input {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  color: var(--color-text);
  caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  transition: border-color 0.18s ease;
}
.input::placeholder { color: color-mix(in srgb, var(--color-text) 38%, transparent); }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 40%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 120px; resize: vertical; }

select.input {
  color-scheme: dark; /* agar daftar pilihan bawaan browser ikut gelap */
  appearance: none;
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-accent) 50%),
                    linear-gradient(135deg, var(--color-accent) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% + 1px), calc(100% - 13px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.form-note {
  font-size: 12.5px;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  margin: 0;
}
.form-status {
  font-size: 13px;
  margin: 0;
  color: var(--color-accent);
}
.field-error {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  color: #FF8E8E;
}
.input[aria-invalid="true"] { border-color: #FF8E8E; }

.contact-detail p:first-child {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0;
}
.contact-detail p:last-child {
  font-size: 15px;
  line-height: 1.5;
  margin: 4px 0 0;
}
.contact-detail a { color: var(--color-text); }
.contact-detail a:hover { color: var(--color-accent); }

/* --- footer -------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg-deep);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(min(260px, 100%), 1.4fr) repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 40px;
  padding: clamp(44px, 6vw, 64px) 0;
}
.footer h4 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  margin: 0 0 14px;
}
.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer ul a {
  color: color-mix(in srgb, var(--color-text) 80%, transparent);
  font-size: 14px;
}
.footer ul a:hover { color: var(--color-accent); }
.footer-tagline {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 38ch;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
}
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding: 20px 0;
  font-size: 13px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

/* --- floating WhatsApp --------------------------------------------------- */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: #061024;
  background: linear-gradient(135deg, var(--color-accent-2), var(--color-accent));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: translateY(-2px); }

/* --- reveal on scroll ----------------------------------------------------
   Digating oleh class `js` yang dipasang skrip inline di <head>. Tanpa
   JavaScript konten tetap tampil penuh, bukan tersembunyi permanen. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --- responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
  .nav { gap: 14px; }
  .nav-toggle { display: inline-flex; }
  .nav > .btn-primary { display: none; }
  .nav-links .btn { display: inline-flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 22px;
    background: color-mix(in srgb, var(--color-bg) 97%, transparent);
    border-bottom: 1px solid var(--color-divider);
    backdrop-filter: blur(14px);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-top: 1px solid var(--color-divider); }
  .nav-links a { display: block; padding: 14px 0; font-size: 15px; }
  .nav-links .btn { margin-top: 16px; }
}

@media (max-width: 720px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .wa-float span { display: none; }
  .wa-float { padding: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}