/* ==========================================================================
   Guntur Traktor Perkasa — Industrial Equipment & Material Handling Solutions
   ========================================================================== */

:root {
  --navy: #071525;
  --navy-2: #0D2238;
  --navy-3: #142c44;
  --orange: #F59E0B;
  --orange-strong: #D98209;
  --white: #FFFFFF;
  --bg-light: #F7F9FC;
  --bg-card: #FFFFFF;
  --text: #0B1726;
  --text-soft: #4E6072;
  --text-faint: #7C8B9A;
  --line: #E2E8F0;
  --line-dark: #1E3350;
  --shadow-sm: 0 1px 2px rgba(11,23,38,0.06), 0 4px 14px -6px rgba(11,23,38,0.12);
  --shadow-md: 0 8px 30px -12px rgba(11,23,38,0.25);
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 20px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-padding-top: 84px;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg-light);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

p { margin: 0; color: var(--text-soft); max-width: 62ch; }

.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.section { padding-block: clamp(56px, 8vw, 100px); }
.section-alt { background: var(--white); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--orange); color: var(--navy);
  padding: 10px 16px; z-index: 100; font-weight: 600;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius-s);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-signal { background: var(--orange); color: var(--navy); }
.btn-signal:hover { background: var(--orange-strong); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--navy); }
.btn-outline:hover { border-color: var(--orange); color: var(--orange-strong); }
.btn-outline-invert { background: transparent; border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-outline-invert:hover { border-color: var(--orange); color: var(--orange); }
.btn-ghost { background: transparent; color: var(--orange-strong); padding: 8px 0; font-size: 0.9rem; }
.btn-ghost:hover { text-decoration: underline; }
.btn-block { width: 100%; }

/* ============ EYEBROW / SECTION HEAD ============ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--orange-strong);
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--orange); display: inline-block;
}
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-block: 12px 12px; }
.section-head p { margin-top: 6px; }

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7,21,37,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-dark);
  box-shadow: 0 2px 20px -6px rgba(0,0,0,0.4);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 16px; gap: 16px;
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  font-size: 1.1rem; font-weight: 800; letter-spacing: -0.01em;
  color: var(--white); white-space: nowrap;
}
.brand-mark {
  font-size: 0.62rem; font-weight: 700;
  color: var(--orange); border: 1px solid var(--orange);
  padding: 2px 6px; border-radius: 6px; letter-spacing: 0.06em;
}
.brand-footer { color: var(--white); }

.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  background: transparent; border: none; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
}
.nav-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--white); border-radius: 2px;
}

.nav-menu {
  display: flex; align-items: center; gap: 28px;
}
.nav-menu a {
  font-size: 0.92rem; font-weight: 500; color: rgba(255,255,255,0.82);
}
.nav-menu a:hover { color: var(--white); }
.nav-cta { color: var(--navy) !important; }

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy-2);
    max-height: 0; overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-menu.is-open { max-height: 420px; }
  .nav-menu a { padding: 16px 24px; border-top: 1px solid var(--line-dark); }
  .nav-cta { margin: 16px 24px; text-align: center; }
}
@media (min-width: 881px) { .nav-toggle { display: none; } }

/* ============ HERO ============ */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  padding-block: clamp(56px, 9vw, 96px);
}
.hero-inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } }
.hero .eyebrow { color: var(--orange); }
.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  margin-block: 16px 18px;
}
.hero .lede { color: rgba(255,255,255,0.78); font-size: 1.08rem; max-width: 52ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-media img { width: 100%; height: auto; border-radius: var(--radius-l); box-shadow: var(--shadow-md); }

/* ============ TRUST BAR ============ */
.trust-bar { background: var(--navy-2); border-top: 1px solid var(--line-dark); }
.trust-bar-row {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 12px 40px; padding-block: 20px;
}
.trust-bar-row span {
  color: rgba(255,255,255,0.72);
  font-size: 0.86rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
}

/* ============ CATEGORY GRID ============ */
.category-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
@media (max-width: 980px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .category-grid { grid-template-columns: 1fr; } }
.category-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-m); overflow: hidden; text-align: left;
  cursor: pointer; padding: 0; box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.category-card img { width: 100%; height: auto; aspect-ratio: 640 / 420; object-fit: cover; }
.category-card-body { padding: 18px 20px 22px; }
.category-card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.category-card-body p { font-size: 0.88rem; }

/* ============ PRODUCT TOOLBAR / GRID ============ */
.product-toolbar {
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.search-box { flex: 1 1 320px; max-width: 420px; }
.search-box input {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  background: var(--white); color: var(--text);
}
.search-box input:focus { border-color: var(--orange); }
.product-count { font-size: 0.85rem; color: var(--text-faint); white-space: nowrap; }

.filter-pills {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px;
}
.filter-pill {
  background: var(--white); border: 1px solid var(--line);
  color: var(--text-soft); border-radius: 999px;
  padding: 9px 18px; font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: all 0.15s ease;
}
.filter-pill:hover { border-color: var(--orange); color: var(--orange-strong); }
.filter-pill.is-active { background: var(--navy); border-color: var(--navy); color: var(--white); }

.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
@media (max-width: 980px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-m); overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.product-card-media { position: relative; }
.product-card-media img { width: 100%; height: auto; aspect-ratio: 640 / 420; object-fit: cover; }
.product-card-category {
  position: absolute; top: 12px; left: 12px;
  background: rgba(7,21,37,0.85); color: var(--white);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.product-card-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card-brand {
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--orange-strong);
}
.product-card-name { font-size: 1.1rem; }
.product-card-desc { font-size: 0.9rem; }
.product-card-app { font-size: 0.84rem; color: var(--text-faint); margin-bottom: 6px; }
.product-card-app strong { color: var(--text-soft); }
.product-quote-btn { margin-top: auto; }

.product-empty {
  text-align: center; padding: 48px 20px; color: var(--text-faint);
  border: 1px dashed var(--line); border-radius: var(--radius-m);
}
.product-empty a { color: var(--orange-strong); font-weight: 600; text-decoration: underline; }

/* ============ INDUSTRY GRID ============ */
.industry-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
@media (max-width: 760px) { .industry-grid { grid-template-columns: 1fr; } }
.industry-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 14px;
}
.industry-card h3 { font-size: 1.15rem; }
.industry-problem { font-size: 0.92rem; }
.industry-reco-label {
  display: block; font-size: 0.74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint);
  margin-bottom: 8px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: var(--bg-light); border: 1px solid var(--line);
  color: var(--text-soft); font-size: 0.8rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px;
}
.industry-cta { align-self: flex-start; margin-top: 4px; }

/* ============ WHY GRID ============ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .why-grid { grid-template-columns: 1fr; } }
.why-card {
  background: var(--bg-light); border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 26px;
}
.why-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; }

/* ============ SALES PROCESS ============ */
.process-list {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
@media (max-width: 980px) { .process-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-list { grid-template-columns: 1fr; } }
.process-step {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 24px 20px;
  box-shadow: var(--shadow-sm);
}
.process-num {
  display: block; font-size: 1.6rem; font-weight: 800;
  color: var(--orange); margin-bottom: 10px;
}
.process-step h3 { font-size: 1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.86rem; }

/* ============ LEAD FORM ============ */
.lead-form {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-l); box-shadow: var(--shadow-sm);
  padding: clamp(24px, 4vw, 44px);
}
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px;
}
@media (max-width: 680px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.86rem; font-weight: 600; color: var(--text-soft); }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 12px 14px; color: var(--text); background: var(--bg-light);
  width: 100%; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--orange); background: var(--white); }
.form-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line);
}
.form-foot .note { font-size: 0.82rem; color: var(--text-faint); max-width: 40ch; }

/* ============ FOOTER ============ */
.site-footer { background: var(--navy); padding-block: 56px 28px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px;
  padding-bottom: 36px; border-bottom: 1px solid var(--line-dark);
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 {
  color: rgba(255,255,255,0.55); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 14px;
}
.footer-about p { color: rgba(255,255,255,0.62); font-size: 0.9rem; margin-top: 12px; }
.footer-list { display: flex; flex-direction: column; gap: 9px; }
.footer-list li, .footer-list a { color: rgba(255,255,255,0.72); font-size: 0.9rem; }
.footer-list a:hover { color: var(--orange); }
.contact-line { color: rgba(255,255,255,0.78); font-size: 0.9rem; margin-bottom: 8px; }
.contact-line strong { color: var(--white); }
.footer-disclaimer { padding-top: 24px; }
.footer-disclaimer p { color: rgba(255,255,255,0.45); font-size: 0.78rem; max-width: none; }
.footer-bottom {
  margin-top: 20px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: 0.78rem; color: rgba(255,255,255,0.45);
}

/* ============ FLOATING WHATSAPP ============ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  display: flex; align-items: center; gap: 10px;
  background: #22C55E; color: var(--white);
  border: none; border-radius: 999px;
  padding: 14px 20px; font-weight: 700; font-size: 0.92rem;
  box-shadow: 0 10px 30px -8px rgba(34,197,94,0.55);
  cursor: pointer;
}
.wa-float:hover { background: #1DA851; }
@media (max-width: 560px) {
  .wa-float span { display: none; }
  .wa-float { padding: 14px; }
}