/* TERSAN website v2. Working web tokens, not an approved corporate brand book.
   Colour values are retained from the previously supplied HTML prototype.
   No external fonts or assets. See TERSAN_CODEX_TASK.md, section 7. */
:root {
  --color-navy: #102a3b;
  --color-ink: #142d3c;
  --color-muted: #52636c;
  --color-line: #d9dfe1;
  --color-paper: #f4f5f2;
  --color-white: #ffffff;
  --color-hover: #23475a;
  --color-heading-soft: #6d7d82;
  --color-rule-strong: #b7c1c5;
  --color-on-dark: #c2cfd4;
  --color-eyebrow-dark: #b8c8ce;
  --color-rule-dark: #4a6270;
  --color-light-hover: #e1e8eb;
  --color-focus: #698ca0;
  --font-sans: Arial, Helvetica, sans-serif;
  --weight-regular: 400;
  --weight-bold: 700;
  --container-max: 1248px;
  --page-inset: 56px;
  --header-min-height: 112px;
  --hero-space-top: 58px;
  --hero-space-bottom: 54px;
  --hero-gap: 86px;
  --section-space-top: 75px;
  --section-space-bottom: 80px;
  --section-heading-gap: 48px;
  --card-gap: 36px;
  --contact-space-top: 72px;
  --contact-space-bottom: 67px;
  --h1-size: clamp(58px, 6.3vw, 94px);
  --h1-line-height: 1.015;
  --h1-tracking: -0.055em;
  --h2-size: clamp(36px, 4vw, 54px);
  --h2-line-height: 1.1;
  --h2-tracking: -0.045em;
  --h3-size: 24px;
  --h3-line-height: 1.22;
  --h3-tracking: -0.025em;
  --body-size: 16px;
  --body-line-height: 1.65;
  --hero-copy-size: 17px;
  --service-copy-size: 15px;
  --eyebrow-size: 11px;
  --eyebrow-tracking: 0.16em;
  --phone-size: 24px;
  --button-height: 54px;
  --target-min-height: 44px;
  --radius: 0px;
  --rule-width: 1px;
  --focus-width: 3px;
  --focus-offset: 5px;
  --transition-duration: 150ms;
}
@media (max-width: 1050px) {
  :root {
    --page-inset: 36px;
    --hero-gap: 42px;
    --section-heading-gap: 30px;
    --card-gap: 24px;
    --h1-size: 70px;
    --phone-size: 21px;
  }
}
@media (max-width: 760px) {
  :root {
    --page-inset: 20px;
    --header-min-height: 87px;
    --hero-space-top: 34px;
    --hero-space-bottom: 34px;
    --section-space-top: 47px;
    --section-space-bottom: 49px;
    --section-heading-gap: 18px;
    --contact-space-top: 46px;
    --contact-space-bottom: 45px;
    /* Smaller minimum than the old prototype to fit the 320px viewport. */
    --h1-size: clamp(38px, 11.2vw, 76px);
    --h2-size: 37px;
    --hero-copy-size: 16px;
    --phone-size: 29px;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root { --transition-duration: 0ms; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; font-family: var(--font-sans); font-size: var(--body-size); line-height: var(--body-line-height); font-weight: var(--weight-regular); color: var(--color-ink); background: var(--color-white); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; min-height: var(--target-min-height); }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
a:focus-visible { outline: var(--focus-width) solid var(--color-focus); outline-offset: var(--focus-offset); }
.contact a:focus-visible { outline-color: var(--color-white); }
svg { flex-shrink: 0; }
p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { font-weight: var(--weight-regular); }
h1 { font-size: var(--h1-size); line-height: var(--h1-line-height); letter-spacing: var(--h1-tracking); }
h2 { font-size: var(--h2-size); line-height: var(--h2-line-height); letter-spacing: var(--h2-tracking); }
h3 { font-size: var(--h3-size); line-height: var(--h3-line-height); letter-spacing: var(--h3-tracking); }
.wrap { width: min(var(--container-max), calc(100% - 2 * var(--page-inset))); margin-inline: auto; }
.eyebrow { font-size: var(--eyebrow-size); line-height: 1.5; letter-spacing: var(--eyebrow-tracking); font-weight: var(--weight-bold); text-transform: uppercase; }
.skip { position: absolute; left: 16px; top: -100px; padding: 14px; z-index: 2; color: var(--color-white); background: var(--color-navy); }
.skip:focus { top: 12px; }
.header-inner { min-height: var(--header-min-height); display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: var(--rule-width) solid var(--color-line); }
.brand { display: inline-flex; align-items: center; max-width: 65%; }
.brand img { display: block; width: var(--brand-logo-width); max-width: 100%; height: auto; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 13px; }
.nav a { display: inline-flex; align-items: center; padding-block: 12px; }
.nav-contact { gap: 14px; }
.hero { padding-block: var(--hero-space-top) var(--hero-space-bottom); }
.hero-top { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 36px; color: var(--color-muted); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, .7fr); gap: var(--hero-gap); align-items: end; }
.hero-grid > *, .cards > *, .contact-grid > *, .section-heading > *, .contact-head > * { min-width: 0; }
.hero h1 span { display: block; }
.hero h1 .light { color: var(--color-heading-soft); }
.hero-copy { max-width: 590px; font-size: var(--hero-copy-size); line-height: 1.7; color: var(--color-muted); margin-top: 27px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 30px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 26px; padding: 16px 23px; min-height: var(--button-height); background: var(--color-navy); color: var(--color-white); border: var(--rule-width) solid var(--color-navy); border-radius: var(--radius); font-size: 13px; font-weight: var(--weight-bold); transition: background var(--transition-duration); }
.button:hover { background: var(--color-hover); text-decoration: none; }
.text-link { display: inline-flex; align-items: center; padding-block: 12px; font-size: 13px; border-bottom: var(--rule-width) solid var(--color-line); }
.hero-aside { border-top: 2px solid var(--color-ink); padding-top: 22px; }
.hero-aside h2 { font-size: 28px; line-height: 1.23; letter-spacing: -.028em; margin: 18px 0 26px; max-width: 280px; }
.aside-note { font-size: 14px; line-height: 1.65; color: var(--color-muted); }
.hero-mini-contacts { border-top: var(--rule-width) solid var(--color-line); margin-top: 26px; padding-top: 13px; display: flex; flex-direction: column; gap: 2px; }
.mini-contact { display: flex; align-items: center; justify-content: space-between; gap: 14px; font-size: 14px; }
.hero-bottom { margin-top: 56px; padding-top: 22px; border-top: var(--rule-width) solid var(--color-line); display: flex; justify-content: space-between; gap: 16px; color: var(--color-muted); font-size: 11px; letter-spacing: .03em; }
.hero-bottom p:last-child { text-align: right; }
.hero-bottom span { margin-inline: 8px; }
.capabilities, .products { padding-block: var(--section-space-top) var(--section-space-bottom); }
.capabilities { background: var(--color-paper); }
.section-heading, .contact-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.1fr); gap: var(--section-heading-gap); margin-bottom: 49px; }
.section-heading .eyebrow { margin-top: 11px; color: var(--color-muted); }
.section-heading h2 { max-width: 720px; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--card-gap); }
.capability { padding-top: 22px; border-top: var(--rule-width) solid var(--color-rule-strong); }
.number { display: block; font-size: 12px; color: var(--color-muted); margin-bottom: 29px; }
.capability h3 { max-width: 260px; margin-bottom: 16px; }
.capability p { max-width: 340px; font-size: var(--service-copy-size); line-height: 1.72; color: var(--color-muted); }
.products .section-heading { margin-bottom: 30px; }
.product-intro { max-width: 620px; margin-top: 20px; color: var(--color-muted); }
.product-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: var(--rule-width) solid var(--color-line); }
.product-item { display: flex; gap: 22px; align-items: baseline; min-width: 0; padding: 31px 25px 32px 0; }
.product-item + .product-item { border-left: var(--rule-width) solid var(--color-line); padding-left: 25px; }
.product-item span { font-size: 11px; color: var(--color-muted); }
.product-item h3 { font-size: 22px; min-width: 0; }
.contact { background: var(--color-navy); color: var(--color-white); padding-block: var(--contact-space-top) var(--contact-space-bottom); }
.contact-head { margin-bottom: 43px; }
.contact-head .eyebrow { margin-top: 9px; color: var(--color-eyebrow-dark); }
.contact-head p:not(.eyebrow) { max-width: 655px; margin-top: 21px; color: var(--color-on-dark); }
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--card-gap); }
.address, .contact-card { padding-top: 24px; border-top: var(--rule-width) solid var(--color-rule-dark); }
.address h3 { max-width: 290px; font-size: 16px; line-height: 1.6; letter-spacing: 0; }
.address address { font-size: 14px; line-height: 1.85; color: var(--color-on-dark); font-style: normal; margin-top: 15px; }
.contact-card .eyebrow { font-size: 10px; letter-spacing: .13em; color: var(--color-eyebrow-dark); }
.contact-number { display: inline-flex; align-items: center; font-size: var(--phone-size); letter-spacing: -.03em; white-space: nowrap; margin: 12px 0 18px; }
.contact-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.whatsapp { display: inline-flex; align-items: center; gap: 16px; background: var(--color-white); color: var(--color-navy); padding: 12px 16px; min-height: 46px; font-size: 12px; font-weight: var(--weight-bold); transition: background var(--transition-duration); }
.whatsapp:hover { background: var(--color-light-hover); text-decoration: none; }
.call { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 24px; color: var(--color-muted); font-size: 11px; }
.footer-inner a { display: inline-flex; gap: 8px; align-items: center; white-space: nowrap; }
.footer-inner svg { transform: rotate(-90deg); }
.error-page { min-height: 65vh; padding-block: 70px; }
.error-page h1 { font-size: var(--h2-size); margin-block: 24px; }
.error-page p:not(.eyebrow) { margin-bottom: 30px; color: var(--color-muted); }
.offices { padding-bottom: var(--section-space-bottom); }
.offices-panel { position: relative; max-width: 960px; margin: 0 auto; border: var(--rule-width) solid var(--color-line); background: var(--color-white); }
.offices-panel figcaption { position: absolute; z-index: 1; top: 24px; left: 24px; max-width: 340px; }
.offices-panel h2 { font-size: clamp(28px, 2.4vw, 34px); line-height: 1.14; }
.offices-map { display: block; width: 100%; height: auto; overflow: hidden; }
.map-land { fill: var(--color-paper); stroke: var(--color-line); stroke-width: 1; stroke-linejoin: round; }
.map-markers { fill: var(--color-navy); stroke: var(--color-navy); stroke-width: 8px; }
.reveal-ready [data-reveal] { transition: opacity 1000ms cubic-bezier(0.22, 0.61, 0.36, 1), transform 1000ms cubic-bezier(0.22, 0.61, 0.36, 1); }
.reveal-ready .reveal-pending { opacity: 0; transform: translateY(36px); }
.reveal-ready [data-reveal].reveal-instant { transition: none; }
@media (max-width: 1050px) {
  .hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, .7fr); }
  .hero-aside h2 { font-size: 24px; }
  .product-item h3 { font-size: 19px; }
  .contact-buttons { gap: 12px; }
}
@media (max-width: 760px) {
  .offices-panel { padding: 20px 16px 12px; }
  .offices-panel figcaption { position: static; max-width: 340px; margin-bottom: 20px; }
  .offices-panel h2 { font-size: 28px; }
  .map-markers { stroke-width: 6px; }
  .reveal-ready [data-reveal] { transition-duration: 850ms; }
  .reveal-ready .reveal-pending { transform: translateY(28px); }
  .header-inner { gap: 16px; }
  .nav { gap: 12px; font-size: 12px; }
  .nav .desktop-link { display: none; }
  .nav-contact { gap: 7px; }
  .eyebrow { font-size: 10px; letter-spacing: .12em; }
  .hero-top { margin-bottom: 28px; }
  .hero-location { display: none; }
  .hero-grid { display: block; }
  .actions { gap: 19px; }
  .button { font-size: 12px; padding-inline: 18px; gap: 17px; }
  .text-link { font-size: 12px; }
  .hero-aside { margin-top: 39px; padding-top: 18px; border-top: var(--rule-width) solid var(--color-line); }
  .hero-aside h2 { max-width: none; font-size: 23px; margin: 10px 0 13px; }
  .hero-mini-contacts { flex-direction: row; flex-wrap: wrap; gap: 4px 20px; margin-top: 19px; padding-top: 10px; }
  .mini-contact { font-size: 13px; gap: 10px; }
  .hero-bottom { margin-top: 30px; padding-top: 17px; font-size: 10px; flex-direction: column; gap: 10px; }
  .hero-bottom p:last-child { text-align: left; }
  .section-heading, .contact-head { display: block; margin-bottom: 30px; }
  .section-heading .eyebrow, .contact-head .eyebrow { margin: 0 0 18px; }
  .cards { display: block; }
  .capability { padding: 20px 0 25px; }
  .capability:last-child { padding-bottom: 0; }
  .number { margin-bottom: 14px; }
  .capability h3 { max-width: none; margin-bottom: 12px; }
  .capability p { max-width: none; }
  .product-intro { margin-top: 18px; }
  .product-list { display: block; }
  .product-item, .product-item + .product-item { border-left: 0; padding: 23px 0; gap: 23px; }
  .product-item + .product-item { border-top: var(--rule-width) solid var(--color-line); }
  .product-item h3 { font-size: 23px; }
  .contact-head p:not(.eyebrow) { margin-top: 19px; }
  .contact-grid { display: flex; flex-direction: column; gap: 29px; }
  .address { order: 3; }
  .contact-card { padding-top: 22px; }
  .contact-number { margin: 13px 0 17px; }
  .contact-buttons { gap: 23px; }
  .whatsapp { padding: 14px 17px; font-size: 13px; }
  .call { font-size: 13px; }
  .footer-inner { flex-wrap: wrap; font-size: 10px; padding-block: 20px; gap: 4px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}
@media print {
  .reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

:root { --brand-logo-width: 236px; }
@media(max-width:1050px){:root{--brand-logo-width:236px}}
@media(max-width:760px){:root{--brand-logo-width:180px}}