:root {
  --navy: #0b1824;
  --navy-2: #102434;
  --ink: #13202b;
  --steel: #607486;
  --paper: #f3f5f6;
  --white: #fff;
  --orange: #f25b24;
  --orange-dark: #d84312;
  --line: rgba(19, 32, 43, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Barlow Condensed", sans-serif; text-transform: uppercase; }

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 78px);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.18);
  transition: height .25s, background .25s, color .25s;
}
.site-header.scrolled {
  height: 70px;
  color: var(--ink);
  background: rgba(255,255,255,.96);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(11,24,36,.08);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: var(--orange);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -.04em;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}
.brand-copy b { display: block; font-size: 15px; letter-spacing: .09em; }
.brand-copy small { display: block; margin-top: 5px; font-size: 9px; letter-spacing: .27em; opacity: .65; }
nav { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 40px); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
nav a { position: relative; opacity: .82; }
nav a::after { content: ""; position: absolute; left: 0; bottom: -9px; width: 0; height: 2px; background: var(--orange); transition: width .2s; }
nav a:hover::after { width: 100%; }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  padding: 0 27px;
  border: 0;
  color: var(--white);
  background: var(--orange);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s, background .2s;
}
.button:hover { transform: translateY(-3px); background: var(--orange-dark); }
.button-small { min-height: 43px; padding: 0 20px; }
.menu-button { display: none; border: 0; background: transparent; }

.hero {
  position: relative;
  height: min(900px, 100vh);
  min-height: 720px;
  display: flex;
  align-items: center;
  color: var(--white);
  background: var(--navy);
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  background: url("assets/seri-kencana-steel-hero.jpg") center/cover no-repeat;
  animation: heroIn 1.2s ease-out both;
}
@keyframes heroIn { from { opacity: .4; transform: scale(1.05); } to { opacity: 1; transform: scale(1); } }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,17,25,.98) 0%, rgba(7,17,25,.88) 41%, rgba(7,17,25,.2) 78%), linear-gradient(0deg, rgba(7,17,25,.9), transparent 45%);
}
.hero-content { position: relative; z-index: 2; width: min(790px, 87%); margin-left: clamp(24px, 8vw, 132px); padding-top: 45px; }
.eyebrow, .section-kicker { color: var(--orange); font-size: 10px; font-weight: 700; letter-spacing: .24em; }
.eyebrow { display: flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ""; width: 42px; height: 2px; background: var(--orange); }
h1 { margin: 24px 0 25px; font-size: clamp(62px, 7vw, 108px); line-height: .92; letter-spacing: -.035em; }
h1 em { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.65); font-style: normal; }
.hero-copy { width: min(570px, 100%); color: rgba(255,255,255,.68); font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 36px; margin-top: 36px; }
.text-link { padding-bottom: 7px; border-bottom: 1px solid rgba(255,255,255,.4); font-size: 12px; font-weight: 600; }
.text-link span { margin-left: 12px; color: var(--orange); }
.hero-stats {
  position: absolute;
  z-index: 2;
  left: 0;
  bottom: 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-left: clamp(24px, 8vw, 132px);
  background: rgba(7,17,25,.72);
  border-top: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
}
.hero-stats div { min-height: 105px; display: flex; flex-direction: column; justify-content: center; padding: 0 35px; border-left: 1px solid rgba(255,255,255,.15); }
.hero-stats div:first-child { padding-left: 0; border-left: 0; }
.hero-stats strong { color: var(--orange); font-family: "Barlow Condensed", sans-serif; font-size: 29px; }
.hero-stats span { margin-top: 4px; color: rgba(255,255,255,.58); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.section { padding: 110px clamp(24px, 8vw, 130px); }
.intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; }
.section-kicker { margin-bottom: 22px; }
h2 { margin-bottom: 0; font-size: clamp(43px, 5vw, 72px); line-height: .98; letter-spacing: -.025em; }
.intro-copy p, .section-heading > p, .credential-title > p { color: var(--steel); font-size: 14px; line-height: 1.9; }
.arrow-link { display: inline-flex; gap: 35px; margin-top: 18px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.arrow-link span { color: var(--orange); }

.products { padding-top: 35px; background: var(--paper); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 70px; margin-bottom: 55px; }
.section-heading h2 { max-width: 740px; }
.section-heading > p { max-width: 440px; margin-bottom: 0; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.product-card {
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0;
  margin: -1px 0 0 -1px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.product-card:hover { z-index: 2; transform: translateY(-6px); box-shadow: 0 22px 45px rgba(11,24,36,.11); }
.product-card > span { position: absolute; z-index: 2; top: 22px; left: 24px; display: grid; place-items: center; width: 35px; height: 35px; color: var(--white); background: var(--orange); font-size: 10px; font-weight: 700; }
.product-image { width: 100%; height: 255px; display: block; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-image { transform: scale(1.035); }
.product-details { position: relative; z-index: 1; min-height: 224px; padding: 30px 34px 32px; background: var(--white); }
.product-card h3 { margin-bottom: 11px; font-size: 29px; }
.product-card p { min-height: 52px; margin-bottom: 23px; color: var(--steel); font-size: 12px; line-height: 1.7; }
.product-details > a { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.product-featured { color: var(--white); background: var(--navy); }
.product-featured .product-details { background: var(--navy); }
.product-featured p { color: rgba(255,255,255,.58); }
.product-cta { min-height: 480px; align-items: flex-start; justify-content: center; padding: 36px; color: var(--white); background: var(--orange); }
.product-cta .section-kicker { color: var(--navy); }
.product-cta h3 { max-width: 280px; font-size: 39px; line-height: 1; }
.product-cta p { color: rgba(255,255,255,.78); }
.product-cta .button { background: var(--navy); }
.capabilities { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px; color: var(--white); background: var(--navy); }
.capability-visual { position: relative; background: linear-gradient(180deg, transparent, rgba(7,17,25,.65)), url("assets/seri-kencana-steel-hero.jpg") 72% center/cover; }
.visual-label { position: absolute; left: 50px; bottom: 45px; }
.visual-label span { display: block; margin-bottom: 10px; color: var(--orange); font-size: 9px; letter-spacing: .22em; }
.visual-label strong { font-family: "Barlow Condensed", sans-serif; font-size: 33px; line-height: 1; text-transform: uppercase; }
.capability-copy { display: flex; flex-direction: column; justify-content: center; padding: 85px clamp(40px, 7vw, 105px); }
.capability-list { margin-top: 45px; }
.capability-list article { display: grid; grid-template-columns: 55px 1fr; gap: 15px; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.14); }
.capability-list article:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
.capability-list article > span { color: var(--orange); font-family: "Barlow Condensed"; font-size: 15px; }
.capability-list h3 { margin-bottom: 6px; font-size: 21px; }
.capability-list p { margin: 0; color: rgba(255,255,255,.52); font-size: 12px; line-height: 1.7; }

.credentials { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; background: var(--white); }
.credential-title > p { margin-top: 25px; max-width: 380px; }
.credential-grid { display: grid; grid-template-columns: 1fr 1fr; }
.credential-grid article { min-height: 190px; display: flex; flex-direction: column; justify-content: center; padding: 30px; border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.credential-grid small { color: var(--steel); font-size: 9px; font-weight: 700; letter-spacing: .16em; }
.credential-grid strong { margin: 14px 0 5px; font-family: "Barlow Condensed"; font-size: 32px; line-height: 1; }
.credential-grid span { color: var(--steel); font-size: 10px; line-height: 1.5; }
.credential-grid .credential-accent { color: var(--white); background: var(--orange); }
.credential-grid .credential-accent small, .credential-grid .credential-accent span { color: rgba(255,255,255,.72); }
.credential-grid .credential-accent strong { font-size: 62px; }
.credential-note { grid-column: 2; margin: -55px 0 0; color: var(--steel); font-size: 10px; }

.contact { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; color: var(--white); background: var(--navy-2); }
.contact h2 em { color: var(--orange); font-style: normal; }
.contact-copy > p:not(.section-kicker) { max-width: 500px; margin: 25px 0 38px; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.8; }
address { color: rgba(255,255,255,.78); font-size: 13px; font-style: normal; line-height: 1.8; }
address span { display: block; margin-bottom: 10px; color: var(--orange); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.contact-links { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 26px; }
.contact-links a { display: flex; flex-direction: column; gap: 7px; }
.contact-links small { color: var(--orange); font-size: 8px; font-weight: 700; letter-spacing: .16em; }
.contact-links strong { font-size: 12px; font-weight: 600; }
.map-link { display: inline-block; margin-top: 15px; color: var(--orange); font-size: 11px; font-weight: 700; }
.quote-form { padding: 42px; color: var(--ink); background: var(--white); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.quote-form label { display: block; margin-bottom: 20px; color: #536471; font-size: 9px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.quote-form input, .quote-form select, .quote-form textarea {
  width: 100%;
  margin-top: 9px;
  padding: 13px 0;
  border: 0;
  border-bottom: 1px solid #ced5d9;
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}
.quote-form textarea { resize: vertical; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: var(--orange); }
.quote-form .button { margin-top: 6px; }
.form-status { min-height: 20px; margin: 14px 0 0; color: var(--orange-dark); font-size: 11px; }

footer { min-height: 190px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 60px; padding: 45px clamp(24px, 8vw, 130px); color: rgba(255,255,255,.72); background: #071019; }
.footer-brand p { margin: 16px 0 0; font-size: 10px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 35px; font-size: 10px; text-transform: uppercase; }
.copyright { margin: 0; text-align: right; font-size: 9px; line-height: 1.8; }
.mobile-quote { display: none; }

@media (max-width: 980px) {
  nav { gap: 18px; }
  .intro, .credentials { grid-template-columns: 1fr; gap: 45px; }
  .credential-note { grid-column: 1; margin: -25px 0 0; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .contact { gap: 55px; }
}

@media (max-width: 760px) {
  body { padding-bottom: 60px; }
  .site-header { height: 70px; padding: 0 20px; }
  .site-header .button-small, nav { display: none; }
  .menu-button { width: 36px; height: 36px; display: flex; flex-direction: column; justify-content: center; gap: 7px; padding: 5px; }
  .menu-button span { display: block; width: 25px; height: 2px; background: currentColor; transition: .2s; }
  .site-header.menu-open nav { position: absolute; top: 70px; left: 0; width: 100%; display: flex; align-items: flex-start; flex-direction: column; gap: 0; padding: 10px 20px 25px; color: var(--ink); background: var(--white); box-shadow: 0 15px 25px rgba(11,24,36,.12); }
  .site-header.menu-open nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-header.menu-open .menu-button span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .site-header.menu-open .menu-button span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .hero { min-height: 790px; height: 100svh; align-items: flex-end; padding-bottom: 150px; }
  .hero-image { background-position: 61% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(7,17,25,.96), rgba(7,17,25,.35)), linear-gradient(0deg, rgba(7,17,25,.95), transparent 58%); }
  .hero-content { width: auto; margin: 0 22px; padding: 0; }
  h1 { font-size: clamp(53px, 15vw, 70px); }
  .hero-copy { font-size: 13px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-actions .button { width: 100%; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); padding-left: 0; }
  .hero-stats div { min-height: 65px; padding: 10px 22px; }
  .hero-stats div:first-child { padding-left: 22px; }
  .hero-stats strong { font-size: 22px; }
  .section { padding: 76px 22px; }
  .intro { gap: 28px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 25px; margin-bottom: 35px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card, .product-cta { min-height: 455px; }
  .product-image { height: 245px; }
  .product-details { min-height: 210px; padding: 27px 28px; }
  .capabilities { grid-template-columns: 1fr; }
  .capability-visual { min-height: 420px; }
  .capability-copy { padding: 75px 25px; }
  .credential-grid { grid-template-columns: 1fr; }
  .credential-grid article { min-height: 160px; }
  .contact { grid-template-columns: 1fr; gap: 45px; }
  .quote-form { padding: 30px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  footer { grid-template-columns: 1fr; align-items: flex-start; gap: 35px; }
  .copyright { text-align: left; }
  .mobile-quote { position: fixed; z-index: 40; left: 0; bottom: 0; width: 100%; height: 60px; display: flex; align-items: center; justify-content: center; gap: 30px; color: var(--white); background: var(--orange); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}