:root {
  --navy: #071a2b;
  --navy-2: #0b263c;
  --blue: #1677a8;
  --cyan: #43c0c9;
  --ice: #eaf5f5;
  --paper: #f7f8f5;
  --white: #fff;
  --ink: #132331;
  --muted: #62717c;
  --line: #dbe2e3;
  --shadow: 0 22px 60px rgba(7, 26, 43, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; line-height: 1.65; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, .brand { font-family: "Manrope", sans-serif; }
h1, h2 { letter-spacing: -.045em; line-height: 1.08; }
h2 { font-size: clamp(2.25rem, 5vw, 4rem); }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 120px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 16px; background: var(--white); }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; color: var(--white); }
.nav-wrap { min-height: 94px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.16); }
.brand { display: inline-flex; gap: 12px; align-items: center; color: inherit; font-size: 1.05rem; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; color: var(--navy); background: var(--cyan); font-size: .8rem; letter-spacing: -.05em; clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%); }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: .91rem; font-weight: 600; }
.site-nav a { text-decoration: none; }
.site-nav > a:not(.nav-cta) { opacity: .78; }
.site-nav > a:hover { opacity: 1; }
.nav-cta { padding: 11px 18px; border: 1px solid rgba(255,255,255,.55); }
.menu-toggle { display: none; border: 0; background: none; }

.hero { min-height: 790px; padding: 190px 0 110px; color: var(--white); background: var(--navy); overflow: hidden; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(67,192,201,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(67,192,201,.08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 80%); }
.hero::after { content: ""; position: absolute; width: 600px; height: 600px; right: -280px; top: 40px; border: 1px solid rgba(67,192,201,.16); border-radius: 50%; box-shadow: 0 0 0 100px rgba(67,192,201,.025), 0 0 0 200px rgba(67,192,201,.018); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.14fr .86fr; gap: 80px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; color: var(--blue); font-size: .73rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 2px; background: currentColor; }
.eyebrow.light { color: var(--cyan); }
.hero h1 { margin-bottom: 28px; font-size: clamp(3.15rem, 6.5vw, 6.25rem); max-width: 850px; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero-intro { max-width: 650px; color: #b9c8d3; font-size: 1.18rem; }
.hero-actions { display: flex; gap: 26px; align-items: center; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 54px; padding: 0 24px; font-weight: 700; text-decoration: none; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy); background: var(--cyan); }
.button-primary:hover { background: #63d0d7; }
.text-link { font-size: .93rem; font-weight: 700; text-decoration: none; }
.text-link span { margin-left: 9px; color: var(--cyan); }
.hero-points { display: flex; gap: 24px; margin: 58px 0 0; padding: 0; color: #9fb0bc; list-style: none; font-size: .8rem; font-weight: 600; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 5px; height: 5px; background: var(--cyan); transform: rotate(45deg); }

.hero-visual { position: relative; min-height: 470px; }
.drawing-card { position: absolute; inset: 0 0 30px; padding: 22px; color: #9ab0bd; background: rgba(10,39,61,.88); border: 1px solid rgba(82,183,196,.34); box-shadow: 0 30px 80px rgba(0,0,0,.28); transform: rotate(2deg); }
.drawing-top, .drawing-meta { display: flex; justify-content: space-between; font: 600 .62rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.technical-shape { position: relative; height: 330px; margin-top: 20px; border-block: 1px dashed rgba(121,174,188,.22); }
.shape-main { position: absolute; width: 220px; height: 140px; top: 91px; left: 55px; border: 2px solid var(--cyan); transform: skewY(-7deg); }
.shape-main::before, .shape-main::after { content: ""; position: absolute; background: rgba(67,192,201,.2); }
.shape-main::before { width: 44px; height: 100%; right: 28px; }
.shape-main::after { width: 100%; height: 1px; top: 50%; background: rgba(67,192,201,.45); }
.shape-side { position: absolute; width: 58px; height: 140px; left: 275px; top: 78px; border: 2px solid rgba(67,192,201,.55); border-left: 0; transform: skewY(-26deg); }
.shape-hole { position: absolute; z-index: 2; width: 48px; height: 48px; top: 44px; left: 45px; border: 2px solid var(--cyan); border-radius: 50%; }
.axis { position: absolute; border-color: rgba(67,192,201,.35); border-style: dashed; }
.axis-x { width: 320px; left: 16px; top: 158px; border-width: 1px 0 0; }
.axis-y { height: 250px; left: 165px; top: 38px; border-width: 0 0 0 1px; }
.dimension { position: absolute; color: var(--cyan); font: 600 .62rem "Manrope", sans-serif; }
.dimension-x { top: 250px; left: 150px; }
.dimension-y { top: 155px; left: 20px; transform: rotate(-90deg); }
.drawing-meta { padding-top: 15px; border-top: 1px solid rgba(255,255,255,.12); }
.drawing-meta div { display: grid; gap: 7px; }
.drawing-meta small { color: #587184; }
.drawing-meta strong { color: var(--cyan); font-size: .66rem; }
.metric-card { position: absolute; right: -25px; bottom: 0; display: flex; gap: 15px; align-items: center; padding: 18px 22px; color: var(--navy); background: var(--cyan); box-shadow: var(--shadow); }
.metric-card strong { font: 800 2rem "Manrope", sans-serif; }
.metric-card span { font-size: .7rem; font-weight: 700; line-height: 1.35; text-transform: uppercase; }

.section-heading { display: grid; grid-template-columns: 1.5fr .75fr; gap: 60px; align-items: end; margin-bottom: 55px; }
.section-heading h2 { margin-bottom: 0; max-width: 750px; }
.section-heading > p { margin-bottom: 8px; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 470px; padding: 38px 34px; background: var(--white); border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.service-card.featured { color: var(--white); background: var(--navy-2); border-color: var(--navy-2); }
.service-number { position: absolute; top: 26px; right: 27px; color: #9ba8ae; font: 700 .7rem "Manrope", sans-serif; }
.service-icon { display: grid; width: 56px; height: 56px; margin-bottom: 48px; place-items: center; color: var(--blue); background: var(--ice); font-size: 1.6rem; }
.featured .service-icon { color: var(--cyan); background: rgba(67,192,201,.1); }
.service-card h3 { margin-bottom: 17px; font-size: 1.35rem; }
.service-card p { color: var(--muted); font-size: .94rem; }
.featured p { color: #adbdc8; }
.service-card ul { display: grid; gap: 10px; margin: 30px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; font-size: .82rem; font-weight: 600; }
.featured ul { border-color: rgba(255,255,255,.12); }
.service-card li::before { content: "+"; margin-right: 10px; color: var(--blue); }
.featured li::before { color: var(--cyan); }

.approach { color: var(--white); background: var(--navy); }
.approach-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 100px; }
.approach-intro { max-width: 500px; color: #a9bac5; }
.process-list { margin: 0; padding: 0; list-style: none; counter-reset: item; }
.process-list li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 0 0 30px; margin-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.14); }
.process-list li > span { color: var(--cyan); font: 700 .75rem "Manrope", sans-serif; }
.process-list h3 { margin-bottom: 7px; font-size: 1.35rem; }
.process-list p { margin: 0; color: #9eb0bd; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: center; }
.about-panel { position: relative; min-height: 590px; padding: 40px; color: var(--white); background: var(--blue); overflow: hidden; }
.about-panel::after { content: ""; position: absolute; width: 390px; height: 390px; right: -195px; bottom: -90px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; box-shadow: 0 0 0 62px rgba(255,255,255,.07), 0 0 0 124px rgba(255,255,255,.05); }
.panel-label { font: 700 .62rem "Manrope", sans-serif; letter-spacing: .12em; }
.panel-lines { display: grid; gap: 15px; margin: 70px 0; transform: rotate(-8deg); }
.panel-lines i { height: 1px; background: rgba(255,255,255,.22); }
.panel-lines i:nth-child(2) { margin-left: 50px; }.panel-lines i:nth-child(3) { margin-right: 60px; }
.about-panel strong { position: absolute; z-index: 1; left: 40px; bottom: 44px; font: 800 clamp(2.5rem, 5vw, 4.2rem)/1.03 "Manrope", sans-serif; letter-spacing: -.05em; }
.about-copy .lead { color: var(--ink); font-size: 1.18rem; }
.about-copy > p:not(.eyebrow):not(.lead) { color: var(--muted); }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 45px; padding-top: 30px; border-top: 1px solid var(--line); }
.values div { display: grid; gap: 6px; }
.values strong { font-family: "Manrope", sans-serif; }
.values span { color: var(--muted); font-size: .78rem; line-height: 1.5; }

.contact { padding: 90px 0; color: var(--white); background: var(--blue); }
.contact-inner { display: grid; grid-template-columns: 1fr auto; gap: 80px; align-items: center; }
.contact h2 { margin-bottom: 18px; font-size: clamp(2.2rem, 4.7vw, 3.8rem); }
.contact p:not(.eyebrow) { max-width: 660px; margin-bottom: 0; color: #d7eef1; }
.button-light { color: var(--navy); background: var(--white); white-space: nowrap; }

.site-footer { padding: 55px 0; color: #9fb0bb; background: #04121e; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 40px; }
.footer-brand { color: var(--white); }
.site-footer p { margin: 0; font-size: .76rem; line-height: 1.6; }
.copyright { text-align: right; }

@media (max-width: 900px) {
  .section { padding: 90px 0; }
  .hero { padding-top: 155px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .section-heading, .about-grid, .approach-grid { grid-template-columns: 1fr; gap: 45px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .about-panel { min-height: 450px; }
  .contact-inner { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav-wrap { min-height: 76px; }
  .menu-toggle { display: grid; gap: 5px; padding: 10px; }
  .menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--white); }
  .site-nav { position: absolute; top: 76px; left: 14px; right: 14px; display: none; align-items: stretch; gap: 0; padding: 14px; color: var(--white); background: var(--navy-2); box-shadow: var(--shadow); }
  .site-nav.open { display: grid; }
  .site-nav a { padding: 13px 12px; }
  .nav-cta { margin-top: 8px; text-align: center; }
  .hero { min-height: 720px; }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4.6rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .text-link { text-align: center; }
  .hero-points { align-items: flex-start; flex-direction: column; gap: 9px; margin-top: 42px; }
  .section-heading { margin-bottom: 35px; }
  .values { grid-template-columns: 1fr; }
  .contact .button { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .copyright { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}