/* ---------- Base ---------- */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font: var(--type-body); color: var(--text-body); background: var(--surface-page); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); color: var(--text-strong); font-weight: var(--weight-medium); letter-spacing: var(--tracking-heading); text-wrap: balance; margin: 0; }
p { margin: 0; text-wrap: pretty; }
a { color: var(--text-link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color var(--duration-fast) var(--ease-standard); }
a:hover { color: var(--text-link-hover); }
::selection { background: var(--sky-200); color: var(--navy-800); }
:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }
img { max-width: 100%; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--gutter); box-sizing: border-box; }
.section { scroll-margin-top: var(--header-h); padding: var(--section-y) 0; }
.section--paper { background: var(--surface-paper); }
.section--dark { position: relative; overflow: hidden; background: var(--navy-800); }
.stack-48 { display: flex; flex-direction: column; gap: 48px; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr)); gap: 40px 72px; }
.split--wide { grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 48px 80px; }
.prose { display: flex; flex-direction: column; gap: 18px; font: var(--type-body); font-size: 17px; color: var(--text-body); }
.watermark { position: absolute; opacity: .08; filter: grayscale(1) brightness(3); pointer-events: none; }

/* ---------- Icon (Lucide via CSS mask) ---------- */
.icon { display: inline-block; width: var(--size, 20px); height: var(--size, 20px); flex: none; background-color: currentColor; -webkit-mask: var(--i) center / contain no-repeat; mask: var(--i) center / contain no-repeat; }
.i-gem { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/gem.svg); }
.i-fuel { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/fuel.svg); }
.i-wheat { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/wheat.svg); }
.i-user-search { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/user-search.svg); }
.i-handshake { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/handshake.svg); }
.i-scale { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/scale.svg); }
.i-landmark { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/landmark.svg); }
.i-ship { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/ship.svg); }
.i-shield-check { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/shield-check.svg); }
.i-globe { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/globe.svg); }
.i-arrow-up-right { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/arrow-up-right.svg); }
.i-mail { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/mail.svg); }
.i-circle-check { --i: url(https://unpkg.com/lucide-static@0.468.0/icons/circle-check.svg); }

/* ---------- Button ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: var(--control-md); padding: 0 20px; box-sizing: border-box;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font: var(--weight-semibold) 15px/1 var(--font-body); letter-spacing: var(--tracking-button);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  background: var(--action-primary); color: var(--white);
  transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}
.btn:hover { background: var(--action-primary-hover); color: var(--white); }
.btn:active { background: var(--action-primary-press); transform: translateY(1px); }
.btn--sm { height: var(--control-sm); padding: 0 14px; font-size: 14px; gap: 6px; }
.btn--lg { height: var(--control-lg); padding: 0 26px; font-size: 16px; gap: 10px; }
.btn--accent { background: var(--action-accent); color: var(--navy-800); }
.btn--accent:hover { background: var(--action-accent-hover); color: var(--navy-800); }
.btn--accent:active { background: var(--action-accent-press); }
.btn--outline-inverse { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--outline-inverse:hover, .btn--outline-inverse:active { background: rgba(255,255,255,.08); color: var(--white); border-color: var(--white); }

/* ---------- Section header ---------- */
.section-header { display: flex; flex-direction: column; gap: 16px; max-width: 760px; align-items: flex-start; }
.section-header h2 { font: var(--type-h2); letter-spacing: var(--tracking-heading); color: var(--text-strong); }
.section-header p { font: var(--type-lead); color: var(--text-muted); }
.section-header--dark h2 { color: var(--white); }
.section-header--dark p { color: var(--text-on-dark-muted); }

/* ---------- Card ---------- */
.card {
  position: relative; display: flex; flex-direction: column; box-sizing: border-box; height: 100%;
  padding: 32px; border-radius: var(--radius-md); overflow: hidden; text-decoration: none;
  background: var(--surface-card); border: 1px solid var(--border-subtle); color: var(--text-body);
  transition: box-shadow var(--duration-base) var(--ease-standard), border-color var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
}
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--sky-500); transform: scaleX(0); transform-origin: left; transition: transform var(--duration-slow) var(--ease-out); }
.card--accent::before { transform: scaleX(1); }
.card--interactive { cursor: pointer; }
.card--interactive:hover { box-shadow: var(--shadow-lg); border-color: var(--slate-300); transform: translateY(-2px); color: var(--text-body); }
.card--interactive:hover::before { transform: scaleX(1); }

/* ---------- Process step ---------- */
.step { display: grid; grid-template-columns: 56px minmax(0, 1fr); column-gap: 20px; }
.step__rail { display: flex; flex-direction: column; align-items: center; }
.step__num { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-sizing: border-box; border: 1.5px solid var(--sky-400); color: var(--sky-400); font: var(--weight-medium) 15px/1 var(--font-mono); }
.step__line { flex: 1; width: 1px; min-height: 24px; margin: 8px 0; background: var(--border-on-dark); }
.step__body { padding: 8px 0 32px; }
.step:last-child .step__line { display: none; }
.step:last-child .step__body { padding-bottom: 0; }
.step__title { font: var(--weight-medium) 20px/1.3 var(--font-display); color: var(--white); margin-bottom: 8px; }
.step__text { font: var(--type-body); color: var(--text-on-dark-muted); }

/* ---------- Form fields ---------- */
.field { width: 100%; }
.field label { display: block; font: var(--weight-semibold) 13px/1.3 var(--font-body); color: var(--navy-800); margin-bottom: 6px; }
.field .req { color: var(--sky-700); }
.field input, .field textarea {
  width: 100%; box-sizing: border-box; border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  background: var(--white); color: var(--text-body); font: var(--weight-regular) 15px/1.4 var(--font-body); outline: none;
  transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}
.field input { height: var(--control-md); padding: 0 12px; }
.field textarea { padding: 10px 12px; resize: vertical; display: block; }
.field input:focus, .field textarea:focus { border-color: var(--sky-500); box-shadow: var(--focus-ring); }
.field .input-validation-error { border-color: var(--status-danger); }
.field__error { display: block; margin-top: 6px; font: var(--weight-regular) 13px/1.4 var(--font-body); color: var(--status-danger); }
.field__error:empty { display: none; }
.field--hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-alert { padding: 12px 14px; border-radius: var(--radius-sm); background: var(--red-100); color: var(--status-danger); font: var(--type-small); }
.btn:disabled { opacity: .6; cursor: progress; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-subtle); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: var(--header-h); }
.site-header__brand { display: flex; align-items: center; }
.site-header__logo { display: block; height: 46px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav__links { display: flex; align-items: center; gap: 28px; }
.site-nav__links a { text-decoration: none; font: var(--weight-semibold) 15px/1 var(--font-body); color: var(--slate-600); }
.site-nav__links a:hover { color: var(--navy-800); }
@media (max-width: 899px) { .site-nav__links { display: none; } }
@media (max-width: 599px) { .site-header__logo { height: 34px; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy-800) url(../images/hero.jpg) 70% center / cover no-repeat; color: #fff; }
.hero__scrim { position: absolute; inset: 0; background: var(--hero-protection); pointer-events: none; }
.hero__inner { position: relative; padding-top: clamp(80px, 12vw, 152px); padding-bottom: clamp(72px, 10vw, 128px); }
.hero__content { display: flex; flex-direction: column; gap: 28px; align-items: flex-start; max-width: 680px; }
.hero h1 { font: var(--type-display); letter-spacing: var(--tracking-display); color: #fff; }
.hero__lead { font: var(--type-lead); color: var(--navy-200); }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.hero__strip { position: relative; border-top: 1px solid var(--border-on-dark); background: rgba(5,27,51,.55); }
.hero__strip .container { padding-top: 22px; padding-bottom: 22px; display: flex; gap: 16px 40px; flex-wrap: wrap; font: var(--type-eyebrow); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--navy-200); }

/* ---------- Sectors ---------- */
.sector-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.sector { padding: 36px; }
.sector .icon { --size: 32px; color: var(--sky-600); }
.sector h3 { font: var(--type-h3); font-size: 22px; color: var(--navy-800); margin: 24px 0 14px; }
.sector__text { display: flex; flex-direction: column; gap: 12px; font: var(--type-small); font-size: 15px; color: var(--text-muted); }

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 1px; background: var(--border-subtle); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; }
.service { background: #fff; padding: 36px; display: flex; flex-direction: column; gap: 14px; }
.service .icon { --size: 26px; color: var(--navy-800); }
.service h3 { font: var(--type-h4); color: var(--navy-800); }
.service p { font: var(--type-small); color: var(--text-muted); }

/* ---------- Scope ---------- */
.scope-intro { display: flex; flex-direction: column; gap: 28px; }
.scope-intro .icon { --size: 36px; color: var(--sky-600); }

/* ---------- Group companies ---------- */
.group-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 24px; }
.group-card { padding: 0; }
.group-card__logo { display: flex; align-items: center; justify-content: center; height: 180px; padding: 32px; box-sizing: border-box; border-bottom: 1px solid var(--border-subtle); }
.group-card__logo img { display: block; max-width: 100%; object-fit: contain; }
.group-card__body { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 24px 28px 28px; }
.group-card__text { display: flex; flex-direction: column; gap: 4px; }
.group-card__name { font: var(--type-h4); color: var(--navy-800); }
.group-card__url { font: var(--weight-regular) 13px/1.4 var(--font-mono); color: var(--text-muted); }
.group-card__text p { margin-top: 8px; font: var(--type-small); color: var(--text-muted); }
.group-card .icon { color: var(--sky-700); }

/* ---------- Contact ---------- */
.contact__intro { display: flex; flex-direction: column; gap: 20px; }
.contact__intro h2 { font: var(--type-h2); color: #fff; }
.contact__intro p { font: var(--type-lead); color: var(--navy-200); }
.contact__email { display: inline-flex; align-items: center; gap: 10px; margin-top: 8px; font: var(--weight-semibold) 18px/1.4 var(--font-body); color: var(--sky-400); text-decoration: none; }
.contact__email:hover { color: #fff; }
.contact__panel { background: #fff; border-radius: var(--radius-md); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-lg); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.contact-form__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 18px; }
.contact-sent { display: flex; flex-direction: column; gap: 14px; padding: 24px 0; }
.contact-sent .icon { --size: 32px; color: var(--green-700); }
.contact-sent h3 { font: var(--type-h3); color: var(--navy-800); }
.contact-sent p { font: var(--type-body); color: var(--text-muted); }
[hidden] { display: none !important; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: var(--navy-200); padding: 72px 0 32px; }
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 48px; }
.site-footer__col { display: flex; flex-direction: column; gap: 12px; font: var(--type-small); }
.site-footer__col--brand { gap: 20px; }
.site-footer__col--brand p { max-width: 320px; }
.site-footer__heading { font: var(--type-eyebrow); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--sky-400); margin-bottom: 4px; }
.site-footer a { color: var(--navy-200); text-decoration: none; font: var(--type-small); }
.site-footer a:hover { color: #fff; }
.site-footer__bottom { margin-top: 56px; }
.site-footer__bottom > div { border-top: 1px solid var(--border-on-dark); padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font: var(--weight-regular) 13px/1.6 var(--font-body); color: var(--slate-400); }