/* Purus Vitas — visual system
   Palette: near-black + safety orange, WCAG AA on all text. */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/space-grotesk-500.woff2") format("woff2");
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/space-grotesk-700.woff2") format("woff2");
}

:root {
  --bg: #fafafa;
  --bg-alt: #ffffff;
  --bg-raised: #ffffff;
  --text: #0a0a0a;
  --text-dim: #52525b;
  --text-mute: #71717a;
  --accent: #0a0a0a;
  --accent-soft: rgba(10, 10, 10, 0.05);
  --border: #e4e4e7;
  --max: 1100px;
  --display: "Space Grotesk", "Avenir Next", "Segoe UI", Roboto, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --nav-h: 4rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Sticky nav ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(250, 250, 250, 0.8);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228, 228, 231, 0.9);
}

header.site .wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  width: 1.65rem;
  height: 1.65rem;
  display: block;
}

.brand:hover {
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1.75rem;
}

nav a {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

/* Photo sits beneath the dark veil (::after) and blueprint grid (::before),
   so text keeps AA contrast regardless of the photo. */
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
}

/* CSS-drawn blueprint grid, two scales, slow drift */
.hero::before {
  content: "";
  position: absolute;
  inset: -120px;
  z-index: -1;
  background-image:
    linear-gradient(rgba(10, 10, 10, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 10, 10, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(10, 10, 10, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 10, 10, 0.03) 1px, transparent 1px);
  background-size:
    120px 120px,
    120px 120px,
    24px 24px,
    24px 24px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(14, 17, 22, 0.78), rgba(14, 17, 22, 0.78)),
    radial-gradient(
      ellipse 70% 60% at 30% 40%,
      transparent 0%,
      rgba(14, 17, 22, 0.85) 100%
    );
}

@media (prefers-reduced-motion: no-preference) {
  .hero::before {
    animation: grid-drift 60s linear infinite;
  }
}

@keyframes grid-drift {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(120px, 120px);
  }
}

/* Big shield mark left of the hero copy, matching its full height */
.hero-split {
  display: flex;
  align-items: stretch;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.hero-mark {
  align-self: stretch;
  width: auto;
  flex-shrink: 0;
}

@media (max-width: 760px) {
  .hero-mark {
    display: none;
  }
}

.hero h1 {
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero p.tagline {
  margin-top: 1.5rem;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-dim);
  max-width: 36rem;
}

.hero .rule {
  width: 4rem;
  height: 4px;
  background: var(--accent);
  border: 0;
  margin-bottom: 2rem;
}

.cta {
  display: inline-block;
  margin-top: 2.5rem;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.95rem 2.2rem;
  border: 1px solid var(--accent);
  transition: background 0.2s ease, color 0.2s ease;
}

.cta:hover {
  background: transparent;
  color: var(--accent);
  text-decoration: none;
}

/* ---------- Scan readout ticker ---------- */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 0.85rem 0;
}

.ticker-track {
  display: inline-flex;
  white-space: nowrap;
  width: max-content;
}

.ticker span {
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

/* orange tick between readouts */
.ticker span::after {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--accent);
  opacity: 0.55;
  margin: 0 1.6rem;
  vertical-align: middle;
}

@media (prefers-reduced-motion: no-preference) {
  .ticker-track {
    animation: ticker-scroll 48s linear infinite;
  }
}

@keyframes ticker-scroll {
  from {
    transform: translateX(0);
  }
  to {
    /* content is duplicated once, so -50% loops seamlessly */
    transform: translateX(-50%);
  }
}

/* ---------- Sections ---------- */

section {
  padding: 7rem 0;
  border-top: 1px solid var(--border);
}

main section:nth-of-type(even) {
  background: var(--bg-alt);
}

.kicker {
  display: block;
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}

section p {
  color: var(--text-dim);
  max-width: 40rem;
  font-size: 1.05rem;
}

section p + p {
  margin-top: 1rem;
}

section p strong {
  color: var(--text);
}

.badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(10, 10, 10, 0.3);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.25rem;
}

/* ---------- RoomProof two-column ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .split {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.split .visual {
  display: flex;
  justify-content: center;
}

.split .visual svg {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
}

@media (prefers-reduced-motion: no-preference) {
  .visual .scan {
    animation: scan 7s ease-in-out infinite alternate;
  }
}

@keyframes scan {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(222px);
  }
}

/* ---------- Who We Serve cards ---------- */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 3rem;
}

@media (min-width: 700px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 2rem 1.75rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(10, 10, 10, 0.4);
  transform: translateY(-3px);
}

.card svg {
  width: 2.25rem;
  height: 2.25rem;
  stroke: var(--accent);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ---------- Contact ---------- */

.contact-list {
  list-style: none;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.contact-list li {
  margin-bottom: 0.6rem;
}

/* ---------- Footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  font-size: 0.85rem;
  color: var(--text-mute);
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
}

footer.site a {
  color: var(--text-mute);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- Scroll reveal (CSS-only, progressive) ---------- */

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal {
      animation: rise both;
      animation-timeline: view();
      animation-range: entry 0% entry 45%;
    }
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Privacy / legal page ---------- */

main.legal {
  padding: 5rem 0 6rem;
}

main.legal h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: 0.75rem;
}

main.legal .effective {
  color: var(--text-mute);
  font-size: 0.9rem;
  margin-bottom: 3rem;
}

main.legal .wrap {
  max-width: 46rem;
}

main.legal h2 {
  font-size: 1.25rem;
  margin: 2.75rem 0 0.75rem;
}

main.legal p,
main.legal li {
  color: var(--text-dim);
}

main.legal ul {
  padding-left: 1.25rem;
  margin-top: 0.5rem;
}

main.legal li {
  margin-bottom: 0.5rem;
}

main.legal li strong,
main.legal p strong {
  color: var(--text);
}

/* ---------- Interior page header (photo band) ---------- */

.page-header {
  position: relative;
  padding: 6.5rem 0 5.5rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  isolation: isolate;
}

.page-header .photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.page-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(14, 17, 22, 0.82),
    rgba(14, 17, 22, 0.94)
  );
}

.page-header h1 {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.page-header .lede {
  margin-top: 1.25rem;
  color: var(--text-dim);
  max-width: 38rem;
  font-size: 1.1rem;
}

/* ---------- Full-width figure ---------- */

.figure {
  margin-top: 3.5rem;
  border: 1px solid var(--border);
  max-width: 52rem;
}

.figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- Three-step process ---------- */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 3rem;
}

@media (min-width: 700px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 2rem 1.75rem;
}

.step .num {
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.step h3 {
  margin: 0.85rem 0 0.6rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}

.step p {
  font-size: 0.95rem;
  color: var(--text-dim);
}

/* ---------- Company facts block ---------- */

.facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 3rem;
  max-width: 52rem;
}

@media (min-width: 700px) {
  .facts {
    grid-template-columns: repeat(2, 1fr);
  }
}

.fact {
  background: var(--bg-raised);
  padding: 1.5rem 1.75rem;
  margin: 0;
}

.fact dt {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.fact dd {
  margin: 0.4rem 0 0;
  color: var(--text);
  font-size: 1.05rem;
}

/* ---------- Product teaser card (home) ---------- */

.teaser {
  display: block;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 2.5rem 2.25rem;
  margin-top: 3rem;
  max-width: 52rem;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.teaser:hover {
  border-color: rgba(10, 10, 10, 0.4);
  transform: translateY(-3px);
  text-decoration: none;
}

.teaser h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.teaser p {
  color: var(--text-dim);
}

.teaser .more {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Who We Serve detail sections ---------- */

.card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
}

/* ---------- Contact photo band ---------- */

.band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid var(--border);
}

.band .photo {
  width: 100%;
  height: clamp(220px, 38vh, 420px);
  object-fit: cover;
  display: block;
}

/* ---------- Mobile ---------- */

@media (max-width: 480px) {
  nav {
    gap: 1.1rem;
  }

  nav a {
    font-size: 0.78rem;
  }

  section {
    padding: 4.5rem 0;
  }
}

@media (max-width: 560px) {
  /* Brand mark already links home; drop the Home item to fit 4 links */
  nav a.nav-home {
    display: none;
  }

  nav {
    gap: 0.9rem;
  }

  nav a {
    font-size: 0.72rem;
    letter-spacing: 0.05em;
  }
}

/* Light mono: hero + page headers keep dark photos, so force light text there */
.hero, .page-header { --text: #ffffff; --text-dim: #d4d4d8; --accent: #ffffff; color: #ffffff; }
.hero .cta { background: #ffffff; color: #0a0a0a; border-color: #ffffff; }
.hero .cta:hover { background: transparent; color: #ffffff; }
.hero::after { z-index: -2; }