/* =========================================================
   Samudra Petrochem – Corporate homepage
   Type: Archivo (display) + Inter (text)
   Palette: deep navy · warm industrial neutral · brand green accent
   ========================================================= */

:root {
  --navy-950: #06111B;
  --navy-900: #0A1A28;
  --navy-800: #102638;
  --navy-700: #193852;
  --steel: #2B5F8A;
  --accent: #3E7D4A;
  --accent-600: #316A3C;
  --accent-300: #93C79E;
  --sand: #F4F3EF;
  --sand-2: #EAE7E0;
  --line: #E2DFD8;
  --line-dark: #CBC7BE;
  --ink: #0E1A26;
  --text: #3D4954;
  --muted: #66727C;
  --on-dark: #AFBCC8;
  --rule-dark: rgba(255, 255, 255, .14);
  --error: #B3261E;

  --head: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --wrap: 1280px;
  --gutter: 40px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body { font-family: var(--body); font-size: 16px; line-height: 1.7; color: var(--text); background: #FFFFFF; overflow-x: hidden; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
h1, h2, h3, dt { font-family: var(--head); color: var(--ink); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; }
strong { color: var(--ink); font-weight: 600; }
:focus-visible { outline: 2px solid var(--steel); outline-offset: 3px; }
::selection { background: var(--accent); color: #FFFFFF; }
.no-scroll { overflow: hidden; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: fixed; top: -60px; left: 16px; z-index: 300; background: var(--navy-900); color: #FFFFFF; padding: 10px 18px; transition: top .2s; }
.skip:focus { top: 16px; }

.eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; font-family: var(--head); font-size: 12.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ''; width: 36px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--accent-300); }
.display { font-size: clamp(2.7rem, 5.6vw, 5rem); line-height: 1; letter-spacing: -0.035em; }
.title { font-size: clamp(2.1rem, 3.6vw, 3.1rem); line-height: 1.06; letter-spacing: -0.03em; }

.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 64px; }
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-head__text { max-width: 440px; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 15px 26px; border: 1px solid transparent; border-radius: 2px;
  font-family: var(--head); font-size: 15px; font-weight: 600; line-height: 1.2; letter-spacing: .01em; white-space: nowrap;
  transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}
.btn i { font-size: 13px; transition: transform .3s var(--ease); }
.btn:hover i { transform: translateX(4px); }
.btn:disabled { opacity: .7; cursor: progress; }
.btn--lg { padding: 18px 30px; font-size: 15.5px; }
.btn--sm { padding: 11px 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn--accent, .btn--blue, .btn--green { background: var(--accent); color: #FFFFFF; border-color: var(--accent); }
.btn--accent:hover, .btn--blue:hover, .btn--green:hover,
.btn--accent:focus-visible, .btn--blue:focus-visible, .btn--green:focus-visible { background: var(--accent-600); border-color: var(--accent-600); }
.btn--dark { background: var(--navy-900); color: #FFFFFF; border-color: var(--navy-900); }
.btn--dark:hover, .btn--dark:focus-visible { background: var(--steel); border-color: var(--steel); }
.btn--outline, .btn--line { background: transparent; color: var(--ink); border-color: var(--line-dark); }
.btn--outline:hover, .btn--line:hover { border-color: var(--ink); }
.btn--ghost, .btn--line-light { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, .45); }
.btn--ghost:hover, .btn--line-light:hover, .btn--ghost:focus-visible { background: #FFFFFF; border-color: #FFFFFF; color: var(--ink); }
.btn--white { background: #FFFFFF; color: var(--ink); border-color: #FFFFFF; }

/* ---------- Header ---------- */
.hdr { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: #FFFFFF; transition: transform .4s var(--ease), box-shadow .3s ease; }
.hdr.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(6, 17, 27, .08); }
.hdr__top { background: var(--navy-950); color: var(--on-dark); font-size: 12.5px; letter-spacing: .01em; }
.hdr__top-inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 18px; }
.hdr__addr, .hdr__contacts a { display: inline-flex; align-items: center; gap: 8px; }
.hdr__addr i, .hdr__contacts > a i { color: var(--accent-300); font-size: 12px; }
.hdr__contacts { display: flex; align-items: center; gap: 22px; }
.hdr__contacts a { transition: color .2s; }
.hdr__contacts a:hover { color: #FFFFFF; }
.hdr__social { display: inline-flex; gap: 2px; padding-left: 18px; border-left: 1px solid var(--rule-dark); }
.hdr__social a { width: 28px; height: 28px; justify-content: center; }

.hdr__bar { position: relative; display: flex; align-items: center; gap: 32px; min-height: 86px; border-bottom: 1px solid var(--line); }
.hdr.is-scrolled .hdr__bar { border-bottom-color: transparent; }
.brand { flex: none; }
.brand img { height: 54px; width: auto; }
.menu { flex: 1; display: flex; justify-content: center; align-self: stretch; }
.menu__list { display: flex; align-items: stretch; gap: 4px; }
.menu__list > li { display: flex; }
.menu__link {
  position: relative; display: inline-flex; align-items: center; gap: 6px; padding: 0 12px;
  font-size: 14.5px; font-weight: 500; color: var(--ink); transition: color .2s;
}
.menu__link::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.menu__link:hover, .menu__mega.is-open .menu__link { color: var(--accent); }
.menu__link:hover::after, .menu__link.is-current::after, .menu__mega.is-open .menu__link::after { transform: scaleX(1); }
.menu__link i { font-size: 11px; transition: transform .3s; }
.menu__mega.is-open .menu__link i { transform: rotate(180deg); }
.hdr__actions { display: flex; align-items: center; gap: 24px; }
.hdr__call { display: flex; align-items: center; gap: 12px; font-family: var(--head); font-size: 15px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.hdr__call i { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line-dark); border-radius: 50%; color: var(--accent); font-size: 14px; transition: background .2s, color .2s, border-color .2s; }
.hdr__call small { display: block; font-family: var(--body); font-size: 11.5px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); line-height: 1.3; }
.hdr__call:hover i { background: var(--accent); border-color: var(--accent); color: #FFFFFF; }

/* Mega */
.mega {
  position: absolute; top: 100%; left: 0; right: 0;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px;
  padding: 28px; background: #FFFFFF; border-top: 2px solid var(--accent); box-shadow: 0 30px 60px rgba(6, 17, 27, .16);
  opacity: 0; visibility: hidden; transform: translateY(8px); pointer-events: none;
  transition: opacity .25s ease, transform .3s var(--ease), visibility 0s linear .3s;
}
.menu__mega.is-open .mega { opacity: 1; visibility: visible; transform: none; pointer-events: auto; transition-delay: 0s; }
.mega__list { display: grid; align-content: start; border-top: 1px solid var(--line); }
.mega__item { display: flex; align-items: center; gap: 16px; padding: 14px 8px; border-bottom: 1px solid var(--line); font-family: var(--head); font-size: 15.5px; font-weight: 500; color: var(--ink); transition: color .2s, padding .3s var(--ease); }
.mega__item img { width: 22px; height: 22px; object-fit: contain; opacity: .8; }
.mega__item.is-active, .mega__item:hover { color: var(--accent); padding-left: 16px; }
.mega__preview { display: flex; flex-direction: column; align-items: flex-start; }
.mega__img { width: 100%; aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 18px; background: var(--sand); }
.mega__img img { width: 100%; height: 100%; object-fit: cover; transition: opacity .16s ease; }
.mega__img img.is-fading { opacity: 0; }
.mega__ptitle { font-family: var(--head); font-size: 21px; font-weight: 600; color: var(--ink); line-height: 1.2; letter-spacing: -0.01em; }
.mega__ptext { color: var(--muted); font-size: 15px; margin: 6px 0 20px; }

.burger { display: none; width: 46px; height: 46px; background: var(--navy-900); flex-direction: column; justify-content: center; align-items: center; gap: 5px; transition: background .2s; }
.burger:hover { background: var(--accent); }
.burger span { width: 20px; height: 2px; background: #FFFFFF; }
.burger span:nth-child(2) { width: 14px; margin-left: 6px; }

/* ---------- Drawer ---------- */
.overlay { position: fixed; inset: 0; z-index: 150; background: rgba(6, 17, 27, .65); opacity: 0; visibility: hidden; transition: opacity .3s, visibility 0s linear .3s; }
.overlay.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.drawer {
  position: fixed; top: 0; right: 0; z-index: 160; width: min(420px, 90vw); height: 100vh; height: 100dvh;
  display: flex; flex-direction: column; background: #FFFFFF;
  transform: translateX(105%); visibility: hidden;
  transition: transform .45s var(--ease), visibility 0s linear .45s;
}
.drawer.is-open { transform: none; visibility: visible; transition-delay: 0s; }
.drawer__head { flex: none; display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--line); }
.drawer__head .brand img { height: 42px; }
.drawer__close { width: 44px; height: 44px; background: var(--sand); color: var(--ink); font-size: 18px; transition: background .2s, color .2s; }
.drawer__close:hover { background: var(--navy-900); color: #FFFFFF; }
.drawer__body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 8px 24px; }
.drawer__list > li { border-bottom: 1px solid var(--line); }
.drawer__list > li > a, .drawer__acc > button {
  display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 16px 0;
  font-family: var(--head); font-size: 19px; font-weight: 600; color: var(--ink); text-align: left; letter-spacing: -0.01em;
  transition: color .2s;
}
.drawer__list > li > a:hover, .drawer__acc > button:hover { color: var(--accent); }
.drawer__chev { width: 30px; height: 30px; display: grid; place-items: center; background: var(--sand); color: var(--ink); font-size: 13px; transition: transform .3s, background .2s, color .2s; }
.drawer__acc.is-open .drawer__chev { transform: rotate(180deg); background: var(--accent); color: #FFFFFF; }
.drawer__sub { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.drawer__sub a { display: block; padding: 9px 14px; border-left: 1px solid var(--line-dark); font-size: 15px; color: var(--text); transition: border-color .2s, color .2s; }
.drawer__sub a:hover { border-color: var(--accent); color: var(--accent); }
.drawer__sub li:last-child a { margin-bottom: 16px; }
.drawer__foot { flex: none; padding: 18px 24px 24px; border-top: 1px solid var(--line); background: var(--sand); display: grid; gap: 14px; }
.drawer__contact { display: grid; gap: 10px; }
.drawer__contact a { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); }
.drawer__contact i { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-dark); color: var(--accent); flex: none; }
.drawer__contact strong { display: block; font-size: 14.5px; word-break: break-all; }

/* ---------- Hero ---------- */
.hero { position: relative; display: flex; flex-direction: column; min-height: clamp(640px, calc(100vh - 124px), 880px); background: var(--navy-950); color: #FFFFFF; overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 17, 27, .92) 0%, rgba(6, 17, 27, .78) 38%, rgba(6, 17, 27, .35) 72%, rgba(6, 17, 27, .25) 100%), linear-gradient(0deg, rgba(6, 17, 27, .7) 0%, transparent 35%); }
.hero__bg { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 8s linear; }
.hero__bg.is-active { opacity: 1; }
.hero__bg.is-active img { transform: scale(1); }
.hero__inner { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-top: 96px; padding-bottom: 80px; }
.hero__slides { display: grid; max-width: 820px; }
.hero__slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transform: translateY(14px); transition: opacity .7s ease, transform .8s var(--ease), visibility 0s linear .7s; }
.hero__slide.is-active { opacity: 1; visibility: visible; transform: none; transition-delay: .25s, .25s, 0s; }
.hero__eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; font-family: var(--head); font-size: 13px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-300); }
.hero__eyebrow::before { content: ''; width: 36px; height: 1px; background: currentColor; }
.hero__title { font-size: clamp(2.6rem, 5.4vw, 4.9rem); line-height: 1.02; letter-spacing: -0.035em; color: #FFFFFF; font-weight: 600; margin-bottom: 26px; }
.hero__text { max-width: 560px; font-size: 18px; line-height: 1.7; color: #C6D0D9; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }

.hero__rail { position: relative; border-top: 1px solid var(--rule-dark); background: rgba(6, 17, 27, .55); }
.hero__rail-inner { display: flex; align-items: stretch; gap: 32px; }
.hero__tabs { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); }
.hero__tab { position: relative; display: flex; align-items: baseline; gap: 14px; padding: 24px 24px 26px 0; text-align: left; color: var(--on-dark); transition: color .3s; }
.hero__tab + .hero__tab { padding-left: 24px; border-left: 1px solid var(--rule-dark); }
.hero__tab-n { font-family: var(--head); font-size: 13px; font-weight: 600; letter-spacing: .1em; color: var(--accent-300); }
.hero__tab-t { font-family: var(--head); font-size: 15.5px; font-weight: 500; }
.hero__tab:hover, .hero__tab.is-active { color: #FFFFFF; }
.hero__tab-bar { position: absolute; top: -1px; left: 0; right: 0; height: 2px; }
.hero__tab + .hero__tab .hero__tab-bar { left: 0; }
.hero__tab-bar::after { content: ''; display: block; width: 0; height: 100%; background: var(--accent-300); }
.hero__tab.is-active .hero__tab-bar::after { width: 100%; }
.hero__tab.is-running .hero__tab-bar::after { animation: progress 7s linear both; }
.hero__ctrl { display: flex; align-items: center; gap: 10px; padding-left: 32px; border-left: 1px solid var(--rule-dark); }
.hero__count { font-family: var(--head); font-size: 14px; font-weight: 600; color: var(--on-dark); margin-right: 10px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hero__count span { color: #FFFFFF; }
.hero__ctrl button { width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, .3); color: #FFFFFF; transition: background .2s, border-color .2s, color .2s; }
.hero__ctrl button:hover { background: #FFFFFF; border-color: #FFFFFF; color: var(--ink); }

@keyframes progress { from { width: 0; } to { width: 100%; } }

/* ---------- Facts ---------- */
.facts { border-bottom: 1px solid var(--line); }
.facts__grid { display: grid; grid-template-columns: 1fr 2.4fr; align-items: stretch; }
.facts__intro { display: flex; align-items: center; padding: 44px 48px 44px 0; font-family: var(--head); font-size: 19px; font-weight: 500; line-height: 1.35; color: var(--ink); border-right: 1px solid var(--line); }
.facts__list { display: grid; grid-template-columns: repeat(4, 1fr); }
.facts__list li { padding: 44px 32px; border-right: 1px solid var(--line); }
.facts__list li:last-child { border-right: 0; padding-right: 0; }
.facts__n { display: block; font-family: var(--head); font-size: 56px; font-weight: 600; line-height: 1; letter-spacing: -0.04em; color: var(--navy-900); margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.facts__n::after { content: ''; display: inline-block; width: 8px; height: 8px; margin-left: 6px; background: var(--accent); vertical-align: top; margin-top: 6px; }
.facts__l { display: block; font-size: 14px; color: var(--muted); line-height: 1.5; }

/* ---------- Intro / About ---------- */
.intro { padding: 136px 0; }
.intro__head { display: grid; grid-template-columns: 1.2fr 1fr; column-gap: 80px; align-items: end; }
.intro__head .eyebrow { grid-column: 1 / -1; }
.intro__lead { font-size: 18.5px; line-height: 1.7; color: var(--text); padding-bottom: 8px; }
.intro__body { display: grid; grid-template-columns: 1.25fr 1fr; gap: 80px; margin-top: 80px; align-items: start; }
.intro__img img { width: 100%; height: 640px; object-fit: cover; }
.intro__img figcaption, .why__img figcaption { display: flex; align-items: center; gap: 12px; margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.intro__img figcaption::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.intro__text > p { font-size: 17px; margin-bottom: 40px; }
.intro__points { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 48px; }
.intro__points > div { padding-top: 22px; border-top: 2px solid var(--ink); }
.intro__points h3 { font-size: 19px; margin-bottom: 10px; }
.intro__points p { font-size: 15px; color: var(--muted); }
.founder { padding: 36px 36px 32px; background: var(--sand); border-left: 3px solid var(--accent); }
.founder p { font-size: 16px; line-height: 1.75; color: var(--text); }
.founder footer { display: flex; flex-direction: column; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.founder__name { font-family: var(--head); font-size: 17px; font-weight: 600; color: var(--ink); }
.founder__role { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ---------- Trading portfolio ---------- */
.trade { padding: 136px 0; background: var(--sand); }
.trade__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: stretch; }
.trade__list { border-top: 1px solid var(--line-dark); counter-reset: none; }
.trade__item { display: grid; grid-template-columns: 64px 1fr 24px; align-items: center; column-gap: 8px; padding: 30px 0; border-bottom: 1px solid var(--line-dark); color: #8A939B; transition: color .3s, padding .4s var(--ease); }
.trade__n { font-family: var(--head); font-size: 13px; font-weight: 600; letter-spacing: .1em; color: var(--muted); transition: color .3s; }
.trade__name { font-family: var(--head); font-size: clamp(1.25rem, 1.9vw, 1.65rem); font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; }
.trade__desc { display: none; grid-column: 2; margin-top: 8px; font-size: 14.5px; color: var(--muted); }
.trade__item i { font-size: 15px; opacity: 0; transform: translateX(-10px); transition: opacity .3s, transform .4s var(--ease); }
.trade__item.is-active, .trade__item:hover, .trade__item:focus-visible { color: var(--ink); }
.trade__item.is-active .trade__n, .trade__item:hover .trade__n { color: var(--accent); }
.trade__item.is-active i, .trade__item:hover i { opacity: 1; transform: none; color: var(--accent); }
.trade__preview { position: relative; min-height: 600px; overflow: hidden; background: var(--navy-900); }
.trade__preview > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .16s ease; }
.trade__preview > img.is-fading { opacity: 0; }
.trade__preview figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 120px 44px 44px; background: linear-gradient(0deg, rgba(6, 17, 27, .94) 0%, rgba(6, 17, 27, .7) 55%, transparent 100%); color: #FFFFFF; }
.trade__ptitle { font-family: var(--head); font-size: 28px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 12px; }
.trade__ptext { max-width: 500px; font-size: 15.5px; color: #C6D0D9; margin-bottom: 22px; }
.trade__plink { display: inline-flex; align-items: center; gap: 10px; font-family: var(--head); font-size: 15px; font-weight: 600; color: var(--accent-300); border-bottom: 1px solid currentColor; padding-bottom: 3px; transition: color .2s; }
.trade__plink:hover { color: #FFFFFF; }

/* ---------- Waste & logistics ---------- */
.logi { padding-top: 136px; background: #FFFFFF; }
.logi__panels { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: #FFFFFF; }
.logi__panel { position: relative; min-height: 660px; overflow: hidden; background: var(--navy-900); color: #FFFFFF; }
.logi__panel > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.logi__panel::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6, 17, 27, .95) 0%, rgba(6, 17, 27, .6) 45%, rgba(6, 17, 27, .1) 75%); }
.logi__panel:hover > img { transform: scale(1.04); }
.logi__body { position: absolute; z-index: 1; left: 56px; right: 56px; bottom: 56px; max-width: 540px; }
.logi__n { display: block; font-family: var(--head); font-size: 13px; font-weight: 600; letter-spacing: .14em; color: var(--accent-300); margin-bottom: 18px; }
.logi__body h3 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); line-height: 1.12; color: #FFFFFF; margin-bottom: 16px; }
.logi__body p { color: #C6D0D9; font-size: 15.5px; margin-bottom: 26px; }
.logi__link { display: inline-flex; align-items: center; gap: 10px; font-family: var(--head); font-size: 15px; font-weight: 600; color: #FFFFFF; border-bottom: 1px solid rgba(255, 255, 255, .5); padding-bottom: 3px; transition: border-color .2s; }
.logi__link i { font-size: 13px; transition: transform .3s var(--ease); }
.logi__link:hover { border-color: #FFFFFF; }
.logi__link:hover i { transform: translateX(4px); }

/* ---------- Safety ---------- */
.safety { padding: 136px 0; background: var(--navy-900); color: var(--on-dark); }
.safety__grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 96px; align-items: start; }
.safety__intro { position: sticky; top: 140px; }
.safety__intro .title { color: #FFFFFF; margin-bottom: 24px; }
.safety__intro p { font-size: 16.5px; margin-bottom: 36px; max-width: 460px; }
.safety__list { border-top: 1px solid var(--rule-dark); }
.safety__list li { display: grid; grid-template-columns: 88px 1fr; align-items: baseline; padding: 32px 0; border-bottom: 1px solid var(--rule-dark); }
.safety__list span { font-family: var(--head); font-size: 14px; font-weight: 600; letter-spacing: .12em; color: var(--accent-300); }
.safety__list p { font-family: var(--head); font-size: clamp(1.25rem, 2vw, 1.7rem); font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; color: #FFFFFF; transition: transform .4s var(--ease); }
.safety__list li:hover p { transform: translateX(8px); }

/* ---------- Why ---------- */
.why { padding: 136px 0; }
.why__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 96px; align-items: center; }
.why__img img { width: 100%; height: 720px; object-fit: cover; object-position: 72% center; }
.why__img figcaption::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.why__content .title { margin-bottom: 56px; max-width: 560px; }
.why__list { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 44px; }
.why__item { padding-top: 24px; border-top: 1px solid var(--line-dark); }
.why__n { display: block; font-family: var(--head); font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--accent); margin-bottom: 16px; }
.why__item h3 { font-size: 20px; margin-bottom: 12px; }
.why__item p { font-size: 15px; color: var(--muted); }

/* ---------- Industries / operations rail ---------- */
.ops { padding: 136px 0; background: var(--sand); overflow: hidden; }
.ops__nav { display: flex; gap: 8px; }
.ops__nav button { width: 52px; height: 52px; border: 1px solid var(--line-dark); color: var(--ink); transition: background .2s, border-color .2s, color .2s; }
.ops__nav button:hover { background: var(--navy-900); border-color: var(--navy-900); color: #FFFFFF; }
.ops__rail {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 0 max(var(--gutter), calc((100vw - var(--wrap)) / 2)) 24px;
  scroll-padding-left: max(var(--gutter), calc((100vw - var(--wrap)) / 2));
  scrollbar-width: thin; scrollbar-color: var(--line-dark) transparent;
}
.ops__rail::-webkit-scrollbar { height: 3px; }
.ops__rail::-webkit-scrollbar-thumb { background: var(--line-dark); }
.ops__tile { position: relative; flex: 0 0 340px; height: 480px; overflow: hidden; scroll-snap-align: start; background: var(--navy-900); }
.ops__tile > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.ops__tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6, 17, 27, .92) 0%, rgba(6, 17, 27, .25) 50%, transparent 75%); }
.ops__tile > div { position: absolute; z-index: 1; left: 28px; right: 28px; bottom: 28px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .3); }
.ops__tile h3 { font-size: 24px; color: #FFFFFF; margin-bottom: 4px; }
.ops__tile p { font-size: 14px; color: #C6D0D9; }
.ops__tile:hover > img { transform: scale(1.05); }

/* ---------- Certifications ---------- */
.certs { padding: 136px 0; }
.certs__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 96px; align-items: center; }
.certs__visual { display: grid; place-items: center; padding: 72px 48px; background: var(--sand); border-bottom: 3px solid var(--accent); }
.certs__doc { position: relative; display: block; max-width: 340px; transition: transform .5s var(--ease); }
.certs__doc img { box-shadow: 0 30px 60px rgba(6, 17, 27, .22); background: #FFFFFF; }
.certs__doc:hover, .certs__doc:focus-visible { transform: translateY(-6px); }
.certs__zoom { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; background: var(--navy-900); color: #FFFFFF; font-size: 13px; font-weight: 600; }
.certs__text .title { margin-bottom: 22px; }
.certs__text > p:not(.eyebrow) { font-size: 16.5px; }
.certs__items { margin: 36px 0 40px; border-top: 1px solid var(--line-dark); }
.certs__item { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line-dark); }
.certs__item dt { font-size: 16.5px; line-height: 1.35; }
.certs__item dd { font-size: 14.5px; color: var(--muted); }
.certs__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Clients ---------- */
.clients { padding: 104px 0; border-top: 1px solid var(--line); }
.clients__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 48px; }
.clients__title { font-size: clamp(1.8rem, 2.6vw, 2.4rem); letter-spacing: -0.03em; }
.clients__head p { max-width: 380px; color: var(--muted); }
.clients__logos { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.clients__logos li { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 168px; padding: 24px 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; transition: background .3s; }
.clients__logos img { height: 52px; width: 100%; object-fit: contain; filter: grayscale(1); opacity: .7; mix-blend-mode: multiply; transition: filter .3s, opacity .3s; }
.clients__logos span { font-size: 12px; font-weight: 500; letter-spacing: .02em; color: var(--muted); line-height: 1.35; }
.clients__logos li:hover { background: var(--sand); }
.clients__logos li:hover img { filter: none; opacity: 1; }

/* ---------- News ---------- */
.news { padding: 136px 0; background: var(--sand); }
.news__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.news__card { display: flex; flex-direction: column; }
.news__img { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 22px; background: var(--sand-2); }
.news__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.news__card:hover .news__img img { transform: scale(1.04); }
.news time { display: block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.news__card h3 { font-size: 19px; line-height: 1.3; letter-spacing: -0.015em; margin-bottom: 12px; }
.news__card h3 a { transition: color .2s; }
.news__card h3 a:hover { color: var(--accent); }
.news__card p { font-size: 14.5px; color: var(--muted); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news__more { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-family: var(--head); font-size: 14px; font-weight: 600; color: var(--ink); }
.news__more i { font-size: 12px; color: var(--accent); transition: transform .3s var(--ease); }
.news__more:hover i { transform: translateX(4px); }

/* ---------- CTA ---------- */
.cta { position: relative; padding: 152px 0; color: #FFFFFF; overflow: hidden; isolation: isolate; background: var(--navy-950); }
.cta__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.cta::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(6, 17, 27, .94) 0%, rgba(6, 17, 27, .82) 55%, rgba(6, 17, 27, .6) 100%); }
.cta__inner h2 { max-width: 860px; font-size: clamp(2.3rem, 4.6vw, 4rem); line-height: 1.04; letter-spacing: -0.035em; color: #FFFFFF; margin-bottom: 24px; }
.cta__inner > p:not(.eyebrow) { max-width: 600px; font-size: 18px; color: #C6D0D9; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }

/* ---------- Contact ---------- */
.contact { padding: 136px 0; }
.contact__grid { display: grid; grid-template-columns: .85fr 1.15fr; }
.contact__info { padding: 64px 56px; background: var(--navy-900); color: var(--on-dark); }
.contact__info h2 { font-size: clamp(2rem, 3vw, 2.6rem); line-height: 1.08; letter-spacing: -0.03em; color: #FFFFFF; margin-bottom: 22px; }
.contact__intro { font-size: 15.5px; margin-bottom: 44px; }
.contact__intro strong { color: #FFFFFF; }
.contact__list { border-top: 1px solid var(--rule-dark); }
.contact__list li { display: flex; flex-direction: column; gap: 4px; padding: 20px 0; border-bottom: 1px solid var(--rule-dark); font-size: 15.5px; color: #DCE3EA; }
.contact__label { font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-300); }
.contact__list a { transition: color .2s; }
.contact__list a:hover { color: #FFFFFF; }
.contact__call { font-family: var(--head); font-size: 28px; font-weight: 600; letter-spacing: -0.01em; color: #FFFFFF; }
.contact__form { padding: 64px 56px; background: var(--sand); }
.form { display: grid; gap: 22px; }
.form__2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form__foot { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: end; }
.form__foot .btn { min-height: 54px; padding: 0 40px; }
.field label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); margin-bottom: 9px; }
.field label strong { font-size: 13px; letter-spacing: .02em; color: var(--accent); }
.field input, .field select, .field textarea { width: 100%; min-height: 54px; padding: 14px 16px; background: #FFFFFF; border: 1px solid var(--line-dark); border-radius: 2px; font-size: 15px; color: var(--ink); appearance: none; transition: border-color .2s, box-shadow .2s; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #A9A497; }
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230E1A26' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 42px; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy-900); box-shadow: 0 0 0 3px rgba(10, 26, 40, .12); }
.field__error { display: none; font-size: 13px; color: var(--error); margin-top: 6px; }
.field.has-error input, .field.has-error select { border-color: var(--error); }
.field.has-error .field__error { display: block; }
.form-status { font-size: 14.5px; font-weight: 600; }
.form-status.is-error, .form-status.is-success { padding: 14px 18px; border-left: 3px solid; }
.form-status.is-error { color: var(--error); background: #FBEFEE; }
.form-status.is-success { color: #2F6B39; background: #E8F1EA; }

/* ---------- Footer ---------- */
.foot { background: var(--navy-950); color: #8E9DAB; padding: 104px 0 36px; font-size: 15px; }
.foot__lead { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding-bottom: 72px; margin-bottom: 72px; border-bottom: 1px solid var(--rule-dark); }
.foot__tagline { font-family: var(--head); font-size: clamp(2.2rem, 4.6vw, 4rem); font-weight: 600; line-height: 1.02; letter-spacing: -0.035em; color: #FFFFFF; }
.foot__tagline span { color: var(--accent-300); }
.foot__top { display: grid; grid-template-columns: 1.4fr 1.3fr .9fr 1.1fr; gap: 56px; }
.foot__logo { display: inline-block; padding: 12px 16px; background: #FFFFFF; margin-bottom: 26px; }
.foot__logo img { height: 44px; width: auto; }
.foot__brand p { margin-bottom: 28px; max-width: 380px; line-height: 1.75; }
.foot__brand strong { color: #FFFFFF; }
.foot h2 { font-family: var(--body); font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: #FFFFFF; margin-bottom: 24px; }
.foot__col ul { display: grid; gap: 12px; }
.foot__col ul a { transition: color .2s; }
.foot__col ul a:hover { color: #FFFFFF; }
.foot__tile { display: block; margin-bottom: 18px; line-height: 1.6; transition: color .2s; }
.foot__tile:hover { color: #FFFFFF; }
.foot__k { display: block; font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-300); }
.foot__social { display: flex; gap: 8px; }
.foot__social a { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--rule-dark); color: #FFFFFF; transition: background .2s, border-color .2s; }
.foot__social a:hover { background: var(--accent); border-color: var(--accent); }
.foot__word { display: none; }
.foot__bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 80px; padding-top: 26px; border-top: 1px solid var(--rule-dark); font-size: 13.5px; }
.foot__bottom a { color: #FFFFFF; }
.foot__bottom a:hover { color: var(--accent-300); }

/* ---------- Floating & lightbox ---------- */
.wa, .totop { position: fixed; right: 24px; z-index: 90; display: grid; place-items: center; color: #FFFFFF; box-shadow: 0 10px 24px rgba(6, 17, 27, .25); transition: transform .3s, opacity .3s, background .2s; }
.wa { bottom: 90px; width: 54px; height: 54px; border-radius: 50%; background: #25A35A; font-size: 26px; }
.wa:hover { background: #1E8A4C; }
.totop { bottom: 24px; width: 54px; height: 54px; background: var(--navy-900); opacity: 0; transform: translateY(12px); pointer-events: none; }
.totop.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: var(--accent); }
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 24px; background: rgba(6, 17, 27, .95); opacity: 0; visibility: hidden; transition: opacity .3s, visibility 0s linear .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.lightbox img { max-width: min(900px, 92vw); max-height: 86vh; background: #FFFFFF; }
.lightbox__close { position: absolute; top: 20px; right: 20px; width: 48px; height: 48px; background: #FFFFFF; color: var(--ink); font-size: 20px; transition: background .2s, color .2s; }
.lightbox__close:hover { background: var(--accent); color: #FFFFFF; }

/* ---------- Reveal ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1320px) {
  .hdr__call span { display: none; }
  .menu__link { padding: 0 9px; font-size: 14px; }
  .menu__link::after { left: 9px; right: 9px; }
  .hdr__bar, .hdr__actions { gap: 16px; }
}

@media (max-width: 1100px) {
  .menu { display: none; }
  .burger { display: flex; }
  .hdr__actions { margin-left: auto; }
  .hdr__call span { display: block; }
}

@media (max-width: 1024px) {
  :root { --gutter: 28px; }
  .intro, .trade, .safety, .why, .ops, .certs, .news, .contact { padding: 104px 0; }
  .logi { padding-top: 104px; }
  .cta { padding: 120px 0; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 48px; }
  .hero__tab-t { font-size: 14px; }
  .facts__grid { grid-template-columns: 1fr; }
  .facts__intro { padding: 36px 0 0; border-right: 0; }
  .facts__list li { padding: 32px 24px 40px 0; border-right: 0; }
  .intro__head { grid-template-columns: 1fr; row-gap: 28px; }
  .intro__body { grid-template-columns: 1fr; gap: 56px; margin-top: 56px; }
  .intro__img img { height: 480px; }
  .trade__grid { grid-template-columns: 1fr; gap: 48px; }
  .trade__preview { min-height: 480px; order: -1; }
  .logi__panel { min-height: 560px; }
  .logi__body { left: 36px; right: 36px; bottom: 40px; }
  .safety__grid { grid-template-columns: 1fr; gap: 56px; }
  .safety__intro { position: static; }
  .why__grid { grid-template-columns: 1fr; gap: 56px; }
  .why__img img { height: 460px; }
  .certs__grid { grid-template-columns: 1fr; gap: 56px; }
  .clients__logos { grid-template-columns: repeat(4, 1fr); }
  .news__grid { grid-template-columns: 1fr 1fr; gap: 48px 28px; }
  .contact__grid { grid-template-columns: 1fr; }
  .foot__lead { flex-direction: column; align-items: flex-start; }
  .foot__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hdr__addr { display: none; }
  .hdr__top-inner { justify-content: center; }
  .hdr__call span { display: none; }
  .hero__rail-inner { flex-direction: column; gap: 0; }
  .hero__tab { padding: 18px 12px 18px 0; }
  .hero__tab + .hero__tab { padding-left: 12px; }
  .hero__tab-t { display: none; }
  .hero__ctrl { padding: 14px 0 18px; border-left: 0; border-top: 1px solid var(--rule-dark); }
  .hero__count { margin-right: auto; }
  .facts__list { grid-template-columns: 1fr 1fr; }
  .logi__panels { grid-template-columns: 1fr; }
  .trade__preview { display: none; }
  .trade__desc { display: block; }
  .trade__item { grid-template-columns: 48px 1fr 20px; padding: 24px 0; color: var(--ink); }
  .trade__item i { opacity: 1; transform: none; color: var(--accent); }
  .trade__n { color: var(--accent); }
  .why__list { grid-template-columns: 1fr; gap: 36px; }
  .certs__item { grid-template-columns: 1fr; gap: 6px; }
  .clients__head { flex-direction: column; align-items: flex-start; }
  .contact__info, .contact__form { padding: 48px 28px; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .intro, .trade, .safety, .why, .ops, .certs, .news, .contact { padding: 80px 0; }
  .logi { padding-top: 80px; }
  .cta { padding: 96px 0; }
  .clients { padding: 72px 0; }
  .hdr__bar { min-height: 70px; gap: 12px; }
  .brand img { height: 42px; }
  .hdr__cta { display: none; }
  .hdr__call i { width: 40px; height: 40px; }
  .hero { min-height: 0; }
  .hero__inner { padding-top: 72px; padding-bottom: 56px; }
  .hero__title { font-size: clamp(2.1rem, 9vw, 2.7rem); }
  .hero__text { font-size: 16px; }
  .hero__actions { margin-top: 32px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .facts__n { font-size: 44px; }
  .facts__list li { padding: 28px 16px 32px 0; }
  .intro__img img { height: 320px; }
  .intro__points { grid-template-columns: 1fr; gap: 28px; }
  .founder { padding: 28px 24px; }
  .logi__panel { min-height: 520px; }
  .logi__body { left: 24px; right: 24px; bottom: 32px; }
  .safety__list li { grid-template-columns: 56px 1fr; padding: 24px 0; }
  .why__img img { height: 320px; }
  .ops__tile { flex-basis: 80vw; height: 420px; }
  .certs__visual { padding: 48px 28px; }
  .clients__logos { grid-template-columns: repeat(2, 1fr); }
  .clients__logos li { min-height: 140px; }
  .news__grid { grid-template-columns: 1fr; gap: 44px; }
  .cta__actions .btn { flex: 1 1 100%; }
  .contact__call { font-size: 24px; }
  .form__2, .form__foot { grid-template-columns: 1fr; }
  .form__foot .btn { width: 100%; }
  .foot { padding-top: 80px; }
  .foot__lead { padding-bottom: 56px; margin-bottom: 56px; }
  .foot__top { grid-template-columns: 1fr; gap: 44px; }
  .foot__bottom { flex-direction: column; margin-top: 56px; }
  .wa { right: 16px; bottom: 82px; width: 50px; height: 50px; }
  .totop { right: 16px; bottom: 18px; width: 50px; height: 50px; }
}

@media (max-width: 380px) {
  .facts__list { grid-template-columns: 1fr; }
  .btn { padding: 14px 20px; }
  .drawer__list > li > a, .drawer__acc > button { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero__bg img { transform: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
}