:root {
  --navy: #07182b;
  --navy-2: #0b2440;
  --blue: #0a5bd8;
  --cyan: #00d6c7;
  --sky: #dff7f6;
  --ice: #f3f8fc;
  --white: #ffffff;
  --ink: #102338;
  --muted: #5d6e80;
  --line: #dce5ed;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1180px, calc(100% - 56px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 18px; z-index: 100; padding: 12px 16px; background: var(--cyan); color: var(--navy); font-weight: 800; }
.skip-link:focus { top: 18px; }
.site-header { position: absolute; inset: 0 0 auto; z-index: 10; width: min(1180px, calc(100% - 56px)); height: 96px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.23); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--navy); background: var(--cyan); font-weight: 900; font-size: 1.15rem; letter-spacing: -.06em; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-size: 1rem; letter-spacing: .24em; }
.brand small { margin-top: 6px; font-size: .52rem; font-weight: 800; letter-spacing: .2em; }
nav { display: flex; align-items: center; gap: 28px; font-size: .78rem; font-weight: 700; }
nav a { text-decoration: none; }
.nav-cta { padding: 12px 16px; color: var(--navy); background: var(--white); }
.nav-cta span { margin-left: 14px; color: var(--blue); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.hero { position: relative; min-height: 860px; display: flex; align-items: center; overflow: hidden; background: var(--navy); color: var(--white); }
.hero-media, .hero-wash { position: absolute; inset: 0; }
.hero-media { background: url('/assets/steel-team.jpg') center 38% / cover no-repeat; }
.hero-wash { background: linear-gradient(90deg, rgba(7,24,43,.99) 0%, rgba(7,24,43,.92) 45%, rgba(7,24,43,.32) 78%, rgba(7,24,43,.15) 100%), linear-gradient(0deg, rgba(7,24,43,.72), transparent 55%); }
.hero-content { position: relative; z-index: 2; padding-top: 94px; }
.kicker, .section-tag { margin: 0; color: var(--blue); font-size: .68rem; line-height: 1.3; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.kicker { display: flex; gap: 12px; align-items: center; color: #aeecea; }
.kicker i { width: 9px; height: 9px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 0 5px rgba(0,214,199,.15); }
h1, h2, h3, p { text-wrap: balance; }
h1, h2, h3 { margin: 0; letter-spacing: -.045em; }
h1 { max-width: 940px; margin-top: 28px; font-size: clamp(3.8rem, 7.1vw, 7.2rem); line-height: .94; font-weight: 760; }
h1 em { color: var(--cyan); font-style: normal; }
.hero-lede { max-width: 700px; margin: 32px 0 0; color: #d8e4ee; font-size: clamp(1.07rem, 1.7vw, 1.34rem); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: space-between; gap: 36px; padding: 0 22px; text-decoration: none; font-size: .82rem; font-weight: 800; }
.button-primary { color: var(--navy); background: var(--cyan); }
.button-ghost { border: 1px solid rgba(255,255,255,.42); color: var(--white); }
.hero-facts { position: absolute; z-index: 2; left: 50%; bottom: 0; transform: translateX(-50%); display: grid; grid-template-columns: repeat(3,1fr); background: rgba(5,18,33,.9); backdrop-filter: blur(14px); border-top: 1px solid rgba(255,255,255,.2); }
.hero-facts div { min-height: 112px; display: flex; flex-direction: column; justify-content: center; padding: 0 28px; border-right: 1px solid rgba(255,255,255,.18); }
.hero-facts div:last-child { border-right: 0; }
.hero-facts strong { font-size: .94rem; }
.hero-facts span { margin-top: 7px; color: #9fb2c4; font-size: .73rem; }

.decision { display: grid; grid-template-columns: .24fr 1fr .58fr; gap: 55px; padding-block: 124px; }
.decision h2, .section-heading h2, .fit h2, .faq h2 { font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1.02; }
.decision-copy > p { max-width: 720px; margin: 30px 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.75; }
.decision-callout { align-self: end; padding: 28px 0 0; border-top: 3px solid var(--cyan); }
.decision-callout span { color: var(--muted); font-size: .75rem; }
.decision-callout strong { display: block; margin-top: 14px; font-size: 1.22rem; line-height: 1.45; }

.model { padding: 112px 0 92px; background: var(--navy); color: var(--white); }
.section-heading.dark .section-tag { color: var(--cyan); }
.section-heading h2 { max-width: 970px; margin-top: 22px; }
.model-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 74px; border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.model-grid article { min-height: 390px; padding: 26px 24px 28px; border-right: 1px solid rgba(255,255,255,.2); display: flex; flex-direction: column; }
.model-grid article:first-child { padding-left: 0; }
.model-grid article:last-child { border-right: 0; }
.model-num { color: #8195aa; font-size: .65rem; font-weight: 800; letter-spacing: .14em; }
.model-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-top: 46px; border: 1px solid rgba(0,214,199,.5); color: var(--cyan); font-size: 1.4rem; }
.model-grid h3 { margin-top: 28px; font-size: 1.55rem; }
.model-grid p { margin: 14px 0 28px; color: #aebdcb; font-size: .9rem; line-height: 1.65; }
.model-grid small { margin-top: auto; color: var(--cyan); font-size: .63rem; text-transform: uppercase; letter-spacing: .1em; }
.emergency-note { display: flex; gap: 25px; align-items: baseline; margin-top: 30px; color: #aebdcb; font-size: .82rem; }
.emergency-note strong { color: var(--white); }
.emergency-note p { margin: 0; }

.pathways { padding-block: 124px; }
.pathways .section-heading { display: grid; grid-template-columns: .24fr 1fr .5fr; gap: 48px; align-items: end; }
.pathways .section-heading h2 { margin-top: 0; }
.section-heading > p:last-child { margin: 0; color: var(--muted); line-height: 1.65; }
.pathway-visual { margin-top: 72px; padding: 52px; background: var(--ice); border: 1px solid var(--line); }
.pathway-start { width: min(460px,100%); margin: 0 auto; padding: 25px 28px; color: var(--white); background: var(--blue); display: grid; grid-template-columns: 1fr auto; gap: 7px 20px; }
.pathway-start span { grid-column: 1/-1; color: #cfe2ff; font-size: .58rem; font-weight: 900; letter-spacing: .15em; }
.pathway-start strong { font-size: 1.12rem; }
.pathway-start small { color: #cfe2ff; }
.pathway-line { width: 1px; height: 52px; margin: 0 auto; background: #9caec1; position: relative; }
.pathway-line::after { content: ''; position: absolute; width: calc(min(100vw - 180px, 860px)); left: 50%; bottom: 0; transform: translateX(-50%); border-top: 1px solid #9caec1; }
.pathway-options { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.pathway-options article { min-height: 180px; padding: 24px; background: var(--white); border-top: 4px solid var(--cyan); display: flex; flex-direction: column; }
.pathway-options span { color: var(--blue); font-size: .62rem; font-weight: 900; }
.pathway-options strong { margin-top: auto; font-size: 1rem; }
.pathway-options small { margin-top: 8px; color: var(--muted); line-height: 1.45; }

.difference { width: 100%; display: grid; grid-template-columns: 1fr 1fr; background: var(--navy-2); color: var(--white); }
.difference-photo { min-height: 850px; background: linear-gradient(rgba(7,24,43,.05),rgba(7,24,43,.28)), url('/assets/safety-training.jpg') 54% center / cover no-repeat; }
.difference-copy { max-width: 700px; padding: 100px clamp(36px,7vw,110px); }
.difference-copy .section-tag { color: var(--cyan); }
.difference-copy h2 { margin-top: 22px; font-size: clamp(2.7rem,5vw,5.2rem); }
.difference-intro { margin: 26px 0 42px; color: #bfd0df; font-size: 1.05rem; line-height: 1.65; }
.difference ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.difference li { display: grid; grid-template-columns: 38px 1fr; gap: 16px; padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.difference li > span { color: var(--cyan); font-size: .63rem; font-weight: 900; }
.difference li strong { font-size: .96rem; }
.difference li p { margin: 8px 0 0; color: #aebed0; font-size: .82rem; line-height: 1.55; }

.operations { padding-block: 122px; }
.operations .section-heading { display: grid; grid-template-columns: .3fr 1fr; gap: 40px; }
.operations .section-heading h2 { margin-top: 0; }
.operations-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 70px; border-top: 1px solid var(--line); }
.operations-grid article { min-height: 300px; padding: 28px 28px 20px 0; border-right: 1px solid var(--line); }
.operations-grid article + article { padding-left: 28px; }
.operations-grid article:last-child { border-right: 0; }
.operations-grid span { color: var(--blue); font-size: .67rem; font-weight: 900; letter-spacing: .13em; }
.operations-grid h3 { margin-top: 90px; font-size: 1.32rem; }
.operations-grid p { color: var(--muted); font-size: .84rem; line-height: 1.65; }

.fit { width: min(1320px, calc(100% - 56px)); margin: 0 auto 120px; display: grid; grid-template-columns: 1fr .72fr; color: var(--white); background: var(--blue); }
.fit-copy { padding: 82px; }
.fit .section-tag { color: #b9d4ff; }
.fit h2 { margin-top: 22px; }
.fit-copy > p { max-width: 670px; margin: 28px 0 38px; color: #d9e7fb; line-height: 1.7; }
.industry-list { display: flex; flex-wrap: wrap; gap: 9px; }
.industry-list span { padding: 10px 13px; border: 1px solid rgba(255,255,255,.38); font-size: .68rem; font-weight: 700; }
.fit-card { margin: 28px; padding: 48px; color: var(--navy); background: var(--cyan); display: flex; flex-direction: column; }
.fit-card > p { margin: 0; font-size: .61rem; font-weight: 900; letter-spacing: .14em; }
.fit-card h3 { margin-top: 34px; font-size: clamp(1.7rem,2.7vw,2.7rem); line-height: 1.12; }
.fit-card div { margin-top: auto; display: flex; flex-direction: column; gap: 10px; padding-top: 40px; border-top: 1px solid rgba(7,24,43,.25); }
.fit-card span { font-size: .73rem; font-weight: 800; }

.faq { display: grid; grid-template-columns: .7fr 1fr; gap: 100px; padding-bottom: 120px; }
.faq h2 { margin-top: 22px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; list-style: none; font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--blue); font-size: 1.15rem; }
details p { margin: -4px 44px 25px 0; color: var(--muted); line-height: 1.65; }

.contact { padding: 112px 0; color: var(--white); background: var(--navy); }
.contact .section-tag { color: var(--cyan); }
.contact h2 { max-width: 950px; margin-top: 22px; font-size: clamp(3rem,6vw,6.2rem); line-height: .98; }
.contact-inner > p:not(.section-tag) { max-width: 720px; margin: 30px 0; color: #b9c9d7; line-height: 1.65; }
.contact-status { display: inline-flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.25); font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.contact-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }

footer { min-height: 150px; display: grid; grid-template-columns: 1fr 1fr auto; gap: 28px; align-items: center; color: var(--muted); font-size: .73rem; }
footer .brand { color: var(--ink); }

@media (max-width: 980px) {
  nav a:not(.nav-cta) { display: none; }
  .decision { grid-template-columns: .24fr 1fr; }
  .decision-callout { grid-column: 2; }
  .model-grid, .pathway-options, .operations-grid { grid-template-columns: repeat(2,1fr); }
  .model-grid article:nth-child(2), .operations-grid article:nth-child(2) { border-right: 0; }
  .model-grid article:nth-child(n+3), .operations-grid article:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.2); }
  .operations-grid article:nth-child(n+3) { border-top-color: var(--line); }
  .pathways .section-heading { grid-template-columns: .24fr 1fr; }
  .pathways .section-heading > p:last-child { grid-column: 2; }
  .difference { grid-template-columns: .8fr 1fr; }
  .difference-photo { min-height: 940px; }
  .fit { grid-template-columns: 1fr; }
  .fit-card { min-height: 400px; }
  .faq { gap: 55px; }
}

@media (max-width: 700px) {
  .shell, .site-header { width: min(100% - 32px, 1180px); }
  .site-header { height: 78px; }
  .nav-cta { padding: 10px 12px; }
  .brand-icon { width: 34px; height: 34px; }
  .hero { min-height: 830px; align-items: flex-start; }
  .hero-media { background-position: 60% center; }
  .hero-wash { background: linear-gradient(180deg, rgba(7,24,43,.97) 0%, rgba(7,24,43,.86) 63%, rgba(7,24,43,.7)); }
  .hero-content { padding-top: 150px; }
  h1 { font-size: clamp(3.1rem,14vw,5rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-facts { grid-template-columns: 1fr; width: 100%; position: relative; left: auto; bottom: auto; transform: none; margin-top: auto; display: none; }
  .decision, .pathways .section-heading, .operations .section-heading, .faq { grid-template-columns: 1fr; gap: 28px; }
  .decision { padding-block: 82px; }
  .decision-callout, .pathways .section-heading > p:last-child { grid-column: 1; }
  .model { padding-block: 82px 70px; }
  .model-grid, .pathway-options, .operations-grid { grid-template-columns: 1fr; }
  .model-grid article, .model-grid article:first-child { min-height: 310px; padding: 25px 0; border-right: 0; border-top: 1px solid rgba(255,255,255,.2); }
  .model-icon { margin-top: 28px; }
  .emergency-note { align-items: flex-start; flex-direction: column; gap: 8px; }
  .pathways { padding-block: 82px; }
  .pathway-visual { margin-top: 45px; padding: 24px 16px; }
  .pathway-line::after { width: 80%; }
  .difference { grid-template-columns: 1fr; }
  .difference-photo { min-height: 470px; }
  .difference-copy { padding: 70px 24px; }
  .operations { padding-block: 82px; }
  .operations-grid { margin-top: 42px; }
  .operations-grid article, .operations-grid article + article { min-height: auto; padding: 28px 0; border-right: 0; border-top: 1px solid var(--line); }
  .operations-grid h3 { margin-top: 46px; }
  .fit { width: calc(100% - 24px); margin-bottom: 82px; }
  .fit-copy { padding: 54px 26px; }
  .fit-card { min-height: 440px; margin: 12px; padding: 34px 26px; }
  .faq { padding-bottom: 82px; }
  .contact { padding-block: 82px; }
  footer { grid-template-columns: 1fr; align-content: center; gap: 14px; padding-block: 34px; }
}

@media (prefers-reduced-motion: no-preference) {
  .button, .nav-cta { transition: transform .2s ease, background .2s ease; }
  .button:hover, .nav-cta:hover { transform: translateY(-2px); }
}