/* CADSEMI — company website
   Visual language references anthropic.com: warm ivory canvas, oversized flat
   display headings, hairline-bordered flat cards.
   Accent is copper (#a0522d) — the interconnect metal, and clear of every major
   EDA vendor's brand color. At 5.52:1 on ivory it passes AA, so it can carry
   text as well as icons and rules. */

:root {
  color-scheme: light;
  --bg: #fefdfb;
  --bg-alt: #f5f2ea;
  /* Card edge and header rule. Kept dark enough to read against --bg-alt, where
     it is 1.20:1 — the separation the old filled card had against the canvas. */
  --surface-border: #e2ded2;
  --card: #fdfbf7;          /* near-white panel, defined by its border not its fill */
  --card-rule: #e6e0d4;     /* hairline between metadata rows inside a card */
  --divider: #b0aea5;
  --text: #141413;
  --text-muted: #5f5e59;
  --accent: #a0522d;
  /* The footer inverts, and neither --text-muted nor --accent clears 4.5:1 on
     it (the copper only reaches 3.36:1), so it carries its own two tones. */
  --footer-muted: #8d897f;  /* 5.4:1 on --text */
  --footer-accent: #c9825a; /* 6.1:1 on --text */
  --radius-sm: 8px;
  --radius: 12px;
  --max-width: 1200px;
  --font-display: "Poppins", Arial, Helvetica, sans-serif;
  --font-body: "Lora", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Sticky header is 72px tall — keep anchor targets clear of it. */
:target, .section, .service-card { scroll-margin-top: 96px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

::selection { background: rgba(160, 82, 45, 0.18); color: var(--text); }

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--surface-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: auto;
}

/* Set as a wordmark, so caps with positive tracking -- the tight negative
   tracking the display headings use closes caps up until they read as a block. */
.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.main-nav {
  display: flex;
  gap: 28px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-muted);
}

.main-nav a { position: relative; padding: 4px 0; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transition: transform 0.15s ease;
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { transform: scaleX(1); }

/* Buttons & chevron links */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.3;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

.btn-primary:hover { background: #33322e; }

.btn .arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform 0.15s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

.header-cta { padding: 9px 18px; }

.chevron-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  border-bottom: 1px solid var(--divider);
  padding-bottom: 2px;
}

.chevron-link span { font-size: 1.25rem; line-height: 1; transition: transform 0.15s ease; }
.chevron-link:hover { border-bottom-color: var(--text); }
.chevron-link:hover span { transform: translateX(3px); }

/* Hero */
.hero { padding: 96px 0 88px; }

.eyebrow {
  font-family: var(--font-display);
  color: var(--accent);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  margin: 0 0 24px;
  max-width: 14ch;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0 0 36px;
  max-width: 620px;
}

.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-title {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 600;
  margin: 0 0 16px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 0 56px;
  font-size: 1.05rem;
}

/* Service cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px;
}

.service-icon {
  color: var(--accent);
  margin-bottom: 22px;
}

.service-icon svg { width: 32px; height: 32px; }

/* Card headings in the display sans, body copy in the serif underneath --
   anthropic.com's card treatment. */
.service-card h3,
.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.service-desc { color: var(--text-muted); font-size: 0.98rem; margin: 0 0 28px; }

/* Label/value rows separated by hairlines, pinned to the bottom of the card so
   the CTAs line up across a row of cards of unequal length. Every card carries
   a single row -- Tools, or Languages on the CAD card -- kept short enough to
   stay on one line; wrapped values are what make a row of cards look ragged.
   Everything else a card has to say belongs in its description. */
.card-meta {
  margin: auto 0 24px;
  padding: 0;
  border-bottom: 1px solid var(--card-rule);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--card-rule);
}

.meta-row dt {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.meta-row dd {
  margin: 0;
  font-size: 0.875rem;
  text-align: right;
}

.card-cta { align-self: flex-start; }

/* Contact */
/* Careers lives in the footer, so this grid holds a single card. Capping it at
   one service-card column ((1152 - 24) / 2) keeps that card aligned with the
   cards above instead of stretching across the full canvas. */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 564px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-icon {
  color: var(--accent);
  margin-bottom: 22px;
}

.contact-icon svg { width: 32px; height: 32px; }

.contact-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 24px;
}

.contact-email {
  margin: auto 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--accent);
  align-self: flex-start;
  border-bottom: 1px solid var(--accent);
}

.contact-email .arrow {
  display: inline-block;
  margin-left: 2px;
  transition: transform 0.15s ease;
}

.contact-card:hover .contact-email .arrow { transform: translateX(3px); }

/* Footer -- inverted, closing the page the way anthropic.com does. The colour
   change is the divider, so there is no rule along the top. */
.site-footer {
  background: var(--text);
  color: var(--bg);
  padding: 64px 0 32px;
}

.site-footer .logo-text { color: var(--bg); }

.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}

.footer-tagline {
  margin: 12px 0 0;
  color: var(--footer-muted);
  font-size: 0.9rem;
}

.footer-col h4 {
  margin: 0 0 16px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--footer-muted);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.92rem;
}

.footer-col a { color: var(--bg); }
.footer-col a:hover { color: var(--footer-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 24px;
  color: var(--footer-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
  .service-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  /* One nav link and the CTA both fit on a phone once the gaps tighten, so the
     header stays flat -- no menu to open. */
  .header-inner { gap: 20px; }
  .main-nav { gap: 20px; font-size: 0.9rem; }
  .header-cta { padding: 8px 14px; font-size: 0.9rem; }

  .hero { padding: 56px 0 48px; }
  .section { padding: 64px 0; }
  .service-card, .contact-card { padding: 28px; }
  .footer-cols { grid-template-columns: 1fr; }
}