/* ============================================================
   Ambex Projects Inc. — Design System
   Grid: 12 col, 20-24px gutters, 1240px max-width, 64px screen margin
   Color: 70% white / 22% black / 8% red (highlight only)
   Type: Archivo (display) / Hanken Grotesk (text) / Space Mono (labels)
   ============================================================ */

:root {
  --ink: #0A0A0A;
  --paper: #FFFFFF;
  --red: #D42A24;
  --slate: #6B6B6B;
  --stone: #F5F4F1;

  --font-display: "Archivo", sans-serif;
  --font-text: "Hanken Grotesk", sans-serif;
  --font-mono: "Space Mono", monospace;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  --max-width: 1240px;
  --margin: 64px;
  --gutter: 24px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  font-family: var(--font-text);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin);
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}
section { padding: var(--space-7) 0; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-group.is-visible > * {
  opacity: 1;
  transform: none;
}
.reveal-group > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-group.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-group.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-group.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-group.is-visible > *:nth-child(5) { transition-delay: 0.32s; }

@media (max-width: 900px) {
  :root { --margin: 24px; }
  section { padding: var(--space-6) 0; }
}
@media (max-width: 560px) {
  :root { --margin: 20px; }
  section { padding: var(--space-5) 0; }
}

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  display: inline-block;
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--ink);
  margin-bottom: var(--space-3);
}
h1, .h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
h2, .h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h3, .h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
}
p, .body-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}
.lede {
  font-size: 19px;
  line-height: 1.65;
  color: var(--slate);
}
.mono {
  font-family: var(--font-mono);
}
.credentials-line {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-text);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--red);
  color: var(--paper);
}
.btn-primary:hover { background: #b5231e; }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-outline-light {
  background: transparent;
  color: var(--paper);
  border: 1.5px solid var(--paper);
}
.btn-outline-light:hover { background: var(--paper); color: var(--ink); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid #ECEAE6;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.brand { display: flex; align-items: center; }
.brand-lockup { height: 30px; width: auto; display: block; }
.brand-mark { width: 28px; height: auto; flex-shrink: 0; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.01em;
  line-height: 1;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--slate);
  display: block;
  margin-top: 2px;
}
.main-nav { display: flex; align-items: center; gap: var(--space-5); }
.main-nav ul { display: flex; gap: var(--space-4); }
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  border-bottom-color: var(--red);
}
.main-nav a.btn:hover { border-bottom-color: transparent; }
.nav-cta { display: none; }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.phone-link {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .header-actions .btn-primary { display: none; }
  .main-nav ul {
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: var(--paper);
    padding: 0 var(--margin);
    gap: var(--space-2);
    border-bottom: 1px solid #ECEAE6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, padding 0.3s ease;
  }
  .site-header.nav-open .main-nav ul {
    max-height: 400px;
    opacity: 1;
    padding: var(--space-3) var(--margin) var(--space-4);
  }
  .site-header.nav-open .nav-cta {
    display: block;
    margin-top: var(--space-2);
    width: 100%;
  }
  .site-header.nav-open .nav-cta .btn { width: 100%; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}
.hero-content .tagline {
  font-size: 18px;
  color: var(--slate);
  margin-top: var(--space-3);
}
.hero-content .h1 { margin-top: var(--space-2); }
.hero-content .lede { margin-top: var(--space-3); max-width: 46ch; }
.hero-actions { margin-top: var(--space-4); display: flex; gap: var(--space-3); align-items: center; }
.hero-media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--stone);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: var(--space-5); }
  .hero-media { order: -1; aspect-ratio: 4 / 3; }
}

/* ---------- Credentials strip ---------- */
.credentials-strip {
  border-top: 1px solid #ECEAE6;
  border-bottom: 1px solid #ECEAE6;
  padding: var(--space-3) 0;
}
.credentials-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
}
.credentials-strip .credentials-line { text-align: center; }

/* ---------- Cards / services ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.service-card {
  border: 1px solid #ECEAE6;
  border-left: 1px solid #ECEAE6;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-left: 1px solid var(--red);
  box-shadow: 0 12px 24px -16px rgba(10, 10, 10, 0.25);
}
.service-card .index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--red);
}
.service-card h3 { margin-top: var(--space-1); }
.service-card p { color: var(--slate); }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ---------- Pillars ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.pillar {
  padding-top: var(--space-3);
  border-top: 3px solid var(--ink);
}
.pillar h3 { font-size: 18px; }
.pillar p { color: var(--slate); font-size: 15px; margin-top: var(--space-1); }

@media (max-width: 900px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4) var(--space-3); }
}
@media (max-width: 560px) {
  .pillar-grid { grid-template-columns: 1fr; }
}

/* ---------- Section helpers ---------- */
.section-head { max-width: 640px; margin-bottom: var(--space-5); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.bg-stone { background: var(--stone); }
.bg-ink { background: var(--ink); color: var(--paper); }
.bg-ink .slate-on-ink { color: #B8B8B8; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: var(--space-4); max-width: 20ch; margin-left: auto; margin-right: auto; }

/* ---------- Service detail rows (Services page) ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}
.service-detail:not(:last-child) { margin-bottom: var(--space-7); }
.service-detail.reverse .service-detail-media { order: 2; }
.service-detail.reverse .service-detail-text { order: 1; }
.service-detail-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--stone);
}
.service-detail-media img { width: 100%; height: 100%; object-fit: cover; }
.service-detail-text .index {
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 13px;
}
.service-detail-text h2 { margin-top: var(--space-1); }
.service-detail-text p { margin-top: var(--space-3); color: var(--slate); }

@media (max-width: 900px) {
  .service-detail, .service-detail.reverse { grid-template-columns: 1fr; gap: var(--space-3); }
  .service-detail.reverse .service-detail-media { order: -1; }
  .service-detail.reverse .service-detail-text { order: 2; }
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.gallery-grid figure { aspect-ratio: 3 / 4; overflow: hidden; background: var(--stone); }
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-grid figure:hover img { transform: scale(1.06); }

@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

/* ---------- About page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: start;
}
.about-media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--stone);
}
.about-media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; gap: var(--space-4); }
  .about-media { order: -1; aspect-ratio: 4 / 3; }
}

.founders-copy p { margin-bottom: var(--space-3); max-width: 68ch; }
.seal-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-5);
  border: 1px solid #ECEAE6;
  margin-top: var(--space-6);
}
.seal-badge {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.seal-badge .dot { width: 14px; height: 14px; background: var(--red); border-radius: 50%; }
.seal-badge svg { position: absolute; inset: 10px; }
.seal-text .mono-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
}
.seal-text h3 { margin-top: 6px; }
.seal-text p { color: var(--slate); margin-top: var(--space-1); }

@media (max-width: 560px) {
  .seal-block { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

/* ---------- Contact page ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
}
.contact-info .info-block { margin-bottom: var(--space-5); }
.contact-info .info-block h3 { margin-bottom: var(--space-1); font-size: 17px; }
.contact-info .info-block p { color: var(--slate); }
.contact-info a.phone-big {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.field { margin-bottom: var(--space-3); }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-text);
  font-size: 15px;
  padding: 12px 14px;
  border: 1.5px solid #D8D5CF;
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
}
.g-recaptcha { margin-bottom: var(--space-3); }
.form-status {
  margin-top: var(--space-2);
  font-size: 14px;
  font-weight: 600;
}
.form-status.success { color: #147A42; }
.form-status.error { color: var(--red); }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid #ECEAE6;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--red);
  flex-shrink: 0;
  margin-left: var(--space-3);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { color: var(--slate); padding-bottom: var(--space-3); max-width: 65ch; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-6) 0 var(--space-4);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid #262626;
}
.footer-brand .brand-lockup { height: 26px; }
.footer-brand p { color: #B8B8B8; margin-top: var(--space-2); max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--space-2);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col p { color: #D8D8D8; font-size: 15px; }
.footer-col a:hover { color: var(--paper); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-4);
}
.footer-bottom .credentials-line { color: #8A8A8A; }
.footer-bottom .legal-links { display: flex; gap: var(--space-3); }
.footer-bottom .legal-links a { color: #8A8A8A; font-size: 13px; }
.footer-bottom .legal-links a:hover { color: var(--paper); }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ---------- Privacy page ---------- */
.legal-copy h2 { margin-top: var(--space-5); margin-bottom: var(--space-2); font-size: 22px; }
.legal-copy p { color: var(--slate); margin-bottom: var(--space-2); max-width: 70ch; }
.legal-copy a { color: var(--ink); text-decoration: underline; }

/* ---------- Service area (Contact) ---------- */
.service-area {
  border: 1px solid #ECEAE6;
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}
.service-area p { color: var(--slate); }
.service-area p + p { margin-top: var(--space-2); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}