/* ---------- Fonts (self-hosted) ---------- */
@font-face { font-family: "Urbanist"; src: url("/fonts/Urbanist-latin.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("/fonts/Satoshi-Light.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("/fonts/Satoshi-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("/fonts/Satoshi-Medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("/fonts/Satoshi-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  --primary: #16a571;
  --primary-dark: #128a5e;
  --secondary: #164343;
  --mint: #e3f9f5;
  --ice: #f6fdff;
  --white: #fff;
  --heading: #101010;
  --text: #383838;
  --muted: #606060;
  --border: #e6e6e6;
  --radius: 10px;
  --shadow: 0 30px 60px rgb(0 0 0 / 6%);
  --font-heading: "Urbanist", system-ui, sans-serif;
  --font-body: "Satoshi", system-ui, sans-serif;
  --container: 1160px;
  --header-h: 84px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4, h5, p, ul, figure { margin: 0; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 600; color: var(--heading); }
.container { width: 100%; max-width: calc(var(--container) + 60px); margin-inline: auto; padding-inline: 30px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.highlight { color: var(--primary); }

.h1 { font-size: clamp(40px, 5vw, 60px); line-height: 1.2; }
.h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.3; }
.h3 { font-size: clamp(24px, 3vw, 34px); line-height: 1.4; }
.h4 { font-size: 22px; line-height: 1.4; }
.h5 { font-size: 18px; line-height: 1.6; }
.lead { font-size: 18px; line-height: 1.9; font-weight: 500; }
.small { font-size: 15px; line-height: 1.6; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 14px 32px; border-radius: 32px; border: 2px solid transparent; font: 700 16px/20px var(--font-body); text-decoration: none; cursor: pointer; transition: background-color .3s, color .3s, border-color .3s; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--white); color: var(--primary); border-color: var(--primary); }
.btn-dark { background: var(--secondary); color: var(--white); min-height: 46px; padding: 10px 26px; font: 600 15px/26px var(--font-heading); }
.btn-dark:hover { background: var(--white); color: var(--secondary); border-color: var(--secondary); }
.btn-outline { background: transparent; color: var(--white); border: 1.5px solid rgb(255 255 255 / 40%); font: 600 15px/26px var(--font-heading); }
.btn-outline:hover { border-color: var(--white); }
.btn-outline img { width: 18px; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; padding: 16px 20px 0; transition: transform .3s; }
.site-header .nav { max-width: calc(var(--container) + 40px); margin-inline: auto; height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--white); border-radius: 12px; padding: 0 20px; box-shadow: 0 10px 30px rgb(0 0 0 / 8%); }
/* Desktop only: a transform would turn the header into the containing block of the fixed mobile menu. */
@media (min-width: 992px) { .site-header.is-scrolled { transform: translateY(-8px); } }
.brand img { height: 56px; width: auto; }
.nav-menu { display: flex; align-items: center; }
.nav-menu .btn { display: none; }
.nav-links { display: flex; gap: 36px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font: 700 16px/24px var(--font-body); color: var(--heading); text-decoration: none; transition: color .3s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--primary); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; height: 2px; background: var(--heading); margin: 5px 0; transition: transform .3s, opacity .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--secondary); color: var(--white); padding: 200px 0 110px; isolation: isolate; }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; background: linear-gradient(315deg, rgb(255 255 255 / 0%), rgb(255 255 255 / 22%)); opacity: .5; }
.hero::before { width: 347px; height: 347px; top: 0; left: 0; transform: translate(-15%, -45px); }
.hero::after { width: 251px; height: 251px; right: 0; top: 50%; transform: translate(15%, -50%); }
.hero h1, .hero .h4 { color: var(--white); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; }
.hero .eyebrow { color: var(--primary); margin-bottom: 14px; }
.rotating-words { height: 1.4em; overflow: hidden; font: 300 clamp(34px, 4vw, 43px)/1.4 var(--font-heading); margin: 4px 0 36px; }
.rotating-words span { display: block; animation: words 9s infinite; }
@keyframes words {
  0%, 28% { transform: translateY(0); }
  33%, 61% { transform: translateY(-100%); }
  66%, 94% { transform: translateY(-200%); }
  100% { transform: translateY(0); }
}
.hero-visual { position: relative; justify-self: end; max-width: 520px; }
.hero-badge { position: absolute; top: 0; left: 0; transform: translate(-40px, -20px); width: 150px; height: 150px; display: grid; place-items: center; text-align: center; }
.hero-badge::before { content: ""; position: absolute; inset: 0; border: 2px dashed rgb(255 255 255 / 60%); border-radius: 50%; animation: spin 18s linear infinite; }
.hero-badge p { font: 700 15px/1.3 var(--font-heading); max-width: 100px; }
.hero-badge img { width: 28px; margin: 0 auto 6px; background: var(--white); border-radius: 50%; padding: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Partner logos marquee ---------- */
.partners { position: relative; overflow: hidden; padding: 40px 0; }
.partners::before, .partners::after { content: ""; position: absolute; top: 0; bottom: 0; width: 15%; z-index: 1; pointer-events: none; }
.partners::before { left: 0; background: linear-gradient(90deg, var(--white), transparent); }
.partners::after { right: 0; background: linear-gradient(270deg, var(--white), transparent); }
.partners-track { display: flex; align-items: center; gap: 64px; width: max-content; animation: marquee 40s linear infinite; }
.partners-track img { height: 48px; width: auto; max-width: 150px; object-fit: contain; }
.partners:hover .partners-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Generic sections ---------- */
.section { padding: 110px 0; }
.section-mint { background: var(--mint); }
.section-ice { background: var(--ice); }
.section-dark { background: var(--secondary); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-head p { margin-top: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

/* ---------- About + feature tabs ---------- */
.about { padding: 20px 0 100px; }
.about-intro { margin-bottom: 70px; align-items: start; }
.features { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.features-visual img { width: 100%; }
.feature-list { display: grid; gap: 16px; }
.feature { display: flex; gap: 15px; align-items: flex-start; padding: 20px 30px 20px 20px; background: var(--white); border: 1px solid transparent; border-radius: var(--radius); box-shadow: var(--shadow); cursor: pointer; transition: border-color .3s; }
.feature:hover { border-color: var(--mint); }
.feature.is-open { border-color: var(--primary); }
.feature-icon { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--mint); display: grid; place-items: center; }
.feature-icon img { width: 22px; }
.feature h3 { font-size: 18px; line-height: 1.6; }
.feature h3 button { all: unset; cursor: pointer; }
.feature h3 button:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }
.feature-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.feature-body > div { overflow: hidden; }
.feature-body p { padding-top: 10px; font-size: 15px; line-height: 1.6; }
.feature.is-open .feature-body { grid-template-rows: 1fr; }

/* ---------- Continuous improvement ---------- */
.improvement-text .eyebrow { color: var(--primary); margin-bottom: 10px; }
.improvement-text h2 { margin-bottom: 24px; }
.improvement-text p + p { margin-top: 20px; }
.improvement-text .btn { margin-top: 34px; }

/* ---------- Services cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.card { display: flex; flex-direction: column; gap: 12px; padding: 40px; border-radius: var(--radius); color: var(--text); text-decoration: none; transition: background-color .35s, box-shadow .35s; }
.card:hover { background: var(--white); box-shadow: var(--shadow); }
.card-title { display: flex; align-items: center; gap: 18px; }
.card-title img { width: 48px; height: 48px; }

/* ---------- Projects slider ---------- */
.slider { position: relative; margin-top: 50px; }
.slides { display: flex; align-items: flex-start; overflow: auto hidden; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.slides::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: start; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; align-content: start; padding: 0 70px; }
.slide-media img.project-image { width: 100%; border-radius: var(--radius); background: var(--white); }
.slide-logos { display: flex; gap: 16px; margin-top: 18px; }
.slide-logos img { height: 64px; width: auto; max-width: 45%; object-fit: contain; background: var(--white); border-radius: 8px; padding: 8px 12px; }
.slide h3 { margin-bottom: 20px; }
.slide p { font-size: 15px; line-height: 1.7; color: rgb(255 255 255 / 85%); }
.slide p + p { margin-top: 14px; }
.slide ul { margin-top: 18px; padding-left: 20px; font-size: 15px; color: rgb(255 255 255 / 85%); }
.slide .tasks { margin-top: 22px; }
.slide .tasks ul { list-style: decimal; }
.slide .bullets { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.slider-arrow { position: absolute; top: 40%; width: 48px; height: 48px; border-radius: 50%; border: 1.5px solid rgb(255 255 255 / 40%); background: transparent; color: var(--white); cursor: pointer; font-size: 22px; transition: background-color .3s; }
.slider-arrow:hover { background: rgb(255 255 255 / 12%); }
.slider-arrow.prev { left: 0; }
.slider-arrow.next { right: 0; }
.slider-dots { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.slider-dots button { width: 10px; height: 10px; padding: 0; border-radius: 50%; border: 0; background: rgb(255 255 255 / 35%); cursor: pointer; }
.slider-dots button[aria-current="true"] { background: var(--white); }

/* ---------- Contact ---------- */
.contact-card { max-width: 930px; margin: 0 auto; background: var(--white); border-radius: var(--radius); padding: 45px 60px 55px; box-shadow: 0 15px 20px rgb(0 0 0 / 6%); text-align: center; }
.contact-card > p { margin: 10px 0 34px; }
.contact-options { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-option { display: flex; align-items: center; gap: 18px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); text-align: left; text-decoration: none; color: var(--text); transition: border-color .3s, box-shadow .3s; }
.contact-option:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.contact-option img { width: 36px; flex: none; }
.contact-option > span { display: grid; min-width: 0; }
.contact-option .h5 { font-family: var(--font-heading); font-weight: 600; color: var(--heading); }
.contact-option .small { color: var(--primary); overflow-wrap: anywhere; }

/* ---------- Footer ---------- */
.site-footer { background: var(--secondary); color: var(--white); padding: 70px 0 30px; }
.site-footer h2 { color: var(--white); font-size: 18px; margin-bottom: 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: var(--primary); }
.footer-actions { display: grid; gap: 14px; justify-items: start; }
.footer-bottom { margin-top: 60px; padding-top: 24px; border-top: 1px solid rgb(255 255 255 / 12%); font-size: 14px; }
.footer-bottom a { color: var(--primary); text-decoration: none; }

.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 44px; height: 44px; border-radius: 6px; background: var(--primary); display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .3s; }
.to-top.is-visible { opacity: 1; pointer-events: auto; }
.to-top img { width: 16px; }

/* ---------- Service page ---------- */
.page-hero { padding: 200px 0 140px; text-align: center; }
.page-hero p { margin: 14px 0 34px; }
.points { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-top: 80px; }
.point { display: flex; gap: 20px; }
.point + .point { margin-top: 40px; }
.point-icon { flex: none; width: 60px; height: 60px; border-radius: 12px; background: var(--white); box-shadow: var(--shadow); display: grid; place-items: center; }
.point-icon img { width: 28px; }
.point h3 { margin-bottom: 6px; }
.points-visual img { max-width: min(100%, 420px); margin-inline: auto; opacity: .9; }
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why video { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius); }
.why h2 { margin-bottom: 20px; }
.stats { display: flex; gap: 40px; margin-top: 34px; }
.stat { display: flex; gap: 14px; align-items: center; }
.stat-icon { width: 56px; height: 56px; border-radius: 10px; background: var(--white); box-shadow: var(--shadow); display: grid; place-items: center; }
.stat-icon img { width: 26px; }
.stat strong { display: block; font: 600 22px/1.3 var(--font-heading); color: var(--heading); }
.benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 30px; margin-top: 28px; list-style: none; padding: 0; }
.benefits li { display: flex; gap: 12px; align-items: center; font-weight: 500; }
.benefits img { width: 24px; }
.row + .row { margin-top: 100px; }
.row h2 { margin-bottom: 18px; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .nav-toggle { display: block; }
  .nav-menu { position: fixed; inset: 0 0 0 auto; width: min(320px, 85vw); background: var(--white); padding: 100px 30px 30px; transform: translateX(100%); visibility: hidden; transition: transform .4s ease, visibility 0s .4s; display: flex; flex-direction: column; gap: 30px; }
  .nav-menu.is-open { transform: none; visibility: visible; transition: transform .4s ease; box-shadow: -10px 0 40px rgb(0 0 0 / 15%); }
  /* Stacked layouts: keep illustrations and project images from filling the whole width */
  .hero-visual { max-width: 420px; }
  .features-visual img, .improvement-visual img, .row > img, .points-visual img { max-width: min(100%, 440px); margin-inline: auto; }
  .slide-media { max-width: 560px; }
  .nav-menu { align-items: stretch; }
  .nav-menu .btn { display: inline-flex; }
  .nav-links { flex-direction: column; gap: 20px; }
  .nav-links a { font-size: 20px; }
  .nav-toggle { position: relative; z-index: 2; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-cta { display: none; }
  .hero { padding: 160px 0 80px; }
  .hero-grid, .split, .features, .why, .points { grid-template-columns: 1fr; }
  .hero-visual { justify-self: center; }
  .slide { grid-template-columns: 1fr; gap: 30px; padding: 0 10px; }
  .slider-arrow { display: none; }
  .section { padding: 90px 0; }
}
@media (max-width: 767px) {
  .container { padding-inline: 20px; }
  .cards, .contact-options, .footer-grid, .benefits { grid-template-columns: 1fr; }
  .card { padding: 24px 0; }
  .contact-card { padding: 35px 20px; }
  .hero-visual { max-width: 300px; }
  .points-visual img { max-width: 240px; }
  .hero-badge { transform: translate(-20px, -10px); width: 120px; height: 120px; }
  .slide .bullets { grid-template-columns: 1fr; }
  .stats { flex-direction: column; gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}