/* ============================================
   HABITUS DEVELOPMENT — Design System
   Clean corporate, bespoke, understated luxury
   ============================================ */

:root {
  --ink: #1b241d;         /* deep charcoal-green, primary text */
  --ink-soft: #4a534b;    /* secondary text on light */
  --paper: #faf9f6;       /* warm off-white background */
  --paper-alt: #f0efe9;   /* slightly deeper warm section bg */
  --line: #dfe0d8;        /* hairline borders */
  --accent: #2f6b3f;      /* brand green, matches logo */
  --accent-dark: #204a2c;
  --white: #ffffff;
  --max-width: 1180px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 400; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.5rem); font-weight: 400; }
h3 { font-size: 1.35rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 1rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 620px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.logo img { height: 30px; width: auto; }

.logo .logo-sub {
  display: block;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 2.4rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
}

.nav-cta {
  border: 1px solid var(--ink);
  padding: 9px 20px;
  border-radius: 2px;
  font-size: 0.85rem;
}

.nav-cta:hover { background: var(--ink); color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span { width: 24px; height: 1.5px; background: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 2px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-outline {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  padding: 6.5rem 0 5rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero h1 { margin-bottom: 1.5rem; }

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.2rem;
}

.hero-visual {
  aspect-ratio: 4/5;
  border-radius: 3px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-image: url('../images/hero.jpg'), linear-gradient(160deg, #35503a 0%, #1b241d 60%, #10160f 100%);
}

/* ---------- Sections ---------- */
section { padding: 5rem 0; }
.section-alt { background: var(--paper-alt); }
.section-head { margin-bottom: 3rem; max-width: 640px; }
.section-head.center { max-width: 700px; margin-left: auto; margin-right: auto; text-align: center; }

.divider {
  border: none;
  border-top: 1px solid var(--line);
}

/* ---------- Pillars / Services grid ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillar {
  background: var(--paper);
  padding: 3rem 2.6rem;
}

.pillar .eyebrow { margin-bottom: 0.6rem; }
.pillar p { color: var(--ink-soft); margin-top: 1rem; }
.pillar .pillar-link { margin-top: 1.6rem; display: inline-block; font-size: 0.88rem; font-weight: 600; color: var(--accent-dark); border-bottom: 1px solid var(--accent-dark); }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: 720px;
  margin: 0 auto;
}
.stat .num { font-family: var(--serif); font-size: 3.1rem; line-height: 1; color: var(--ink); letter-spacing: -0.01em; }
.stat .label { font-size: 0.82rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.5rem; }

/* ---------- Language switch ---------- */
.lang-switch {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  margin-left: 0.25rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent-dark); }

/* ---------- Highlight Stat (editorial pull-quote) ---------- */
.highlight-stat {
  display: inline-block;
  margin: 0.5rem 0 1.85rem;
  padding: 1.15rem 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--paper-alt);
  border-radius: 0 3px 3px 0;
}
.highlight-stat .hs-num {
  font-family: var(--serif);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--accent-dark);
  letter-spacing: -0.01em;
}
.highlight-stat .hs-desc {
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin-top: 0.45rem;
  max-width: 340px;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- Cards (projects / case studies) ---------- */
.card {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 3px;
  overflow: hidden;
}

.card-media {
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  background-image: linear-gradient(150deg, #3a5240, #1b241d);
}
.card-media.gare-viger { background-image: url('../images/gare-viger-card.jpg'), linear-gradient(150deg, #3a5240, #1b241d); }
.card-media.miami-card { background-image: url('../images/advisory-miami-card.jpg'), linear-gradient(150deg, #3a5240, #1b241d); }
.card-media.miami-full { background-image: url('../images/advisory-miami-full.jpg'), linear-gradient(150deg, #3a5240, #1b241d); }
.card-media.toronto-card { background-image: url('https://commons.wikimedia.org/wiki/Special:FilePath/Toronto_skyline_viewed_from_Trillium_Park.jpg'), linear-gradient(150deg, #3a5240, #1b241d); }

.mini-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.mini-gallery div {
  aspect-ratio: 4/3;
  border-radius: 3px;
  background-size: cover;
  background-position: center;
  background-color: #1b241d;
}
.mini-gallery .g1 { background-image: url('../images/advisory-miami-2.jpg'); }
.mini-gallery .g2 { background-image: url('../images/advisory-miami-3.jpg'); }

.card-body { padding: 2rem; }
.card-body .tag { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-dark); font-weight: 600; }
.card-body h3 { margin: 0.6rem 0 0.7rem; }
.card-body p { color: var(--ink-soft); }

/* ---------- Case study detail ---------- */
.detail-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.detail-meta .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); margin-bottom: 0.4rem; }
.detail-meta .value { font-family: var(--serif); font-size: 1.1rem; }

.detail-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  padding: 4rem 0;
}
.detail-body h3 { margin: 2.2rem 0 0.8rem; }
.detail-body h3:first-child { margin-top: 0; }
.detail-body p { color: var(--ink-soft); margin-bottom: 1rem; }

.detail-sidebar {
  border-left: 1px solid var(--line);
  padding-left: 2.5rem;
}
.detail-sidebar h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); margin-bottom: 1rem; }
.detail-sidebar ul li { padding: 0.55rem 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; }

.project-video {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 3px;
  overflow: hidden;
  background: #10160f;
  margin-bottom: 3rem;
}
.project-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.full-media {
  aspect-ratio: 21/9;
  background-size: cover;
  background-position: center;
  background-image: url('../images/gare-viger-full.jpg'), linear-gradient(150deg, #3a5240, #1b241d);
  border-radius: 3px;
  margin-bottom: 3rem;
}

/* ---------- Quote / Philosophy blocks ---------- */
.philosophy {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.philosophy blockquote {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--ink);
}
.philosophy cite {
  display: block;
  margin-top: 1.5rem;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

/* ---------- Founder Spotlight ---------- */
.founder-spotlight {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 3rem;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}
.founder-photo {
  aspect-ratio: 4/5;
  background-size: cover;
  background-position: center;
  background-image: url('../images/founder.jpg'), linear-gradient(160deg, #3a5240, #1b241d);
  border-radius: 3px;
}
.founder-bio p { color: var(--ink-soft); font-size: 1rem; margin-bottom: 1rem; }
.founder-bio p:last-child { margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.form-row { margin-bottom: 1.4rem; }
.form-row label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--sans);
  font-size: 0.95rem;
  border-radius: 2px;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-row textarea { resize: vertical; min-height: 130px; }

.contact-info-item { margin-bottom: 2rem; }
.contact-info-item .label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 0.4rem; }
.contact-info-item .value { font-family: var(--serif); font-size: 1.3rem; }
.contact-info-item .value a:hover { color: var(--accent-dark); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 2.5rem;
  background: var(--ink);
  color: #cdd3cc;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
}
.site-footer h4 {
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
  font-weight: 600;
}
.site-footer .logo { color: var(--white); }
.site-footer .logo .logo-sub { color: #8b9689; }
.site-footer p { color: #a0a89d; font-size: 0.9rem; max-width: 300px; margin-top: 1rem; }
.footer-links li { margin-bottom: 0.7rem; }
.footer-links a { color: #cdd3cc; font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid #2e3a2f;
  padding-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #7f887c;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .contact-grid, .detail-body { grid-template-columns: 1fr; }
  .detail-sidebar { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 2rem; }
  .pillars { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .founder-spotlight { grid-template-columns: 1fr; max-width: 420px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-meta { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links { position: fixed; top: 73px; left: 0; right: 0; bottom: 0; background: var(--paper); flex-direction: column; padding: 2.5rem 2rem; gap: 1.8rem; transform: translateX(100%); transition: transform 0.3s ease; }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; }
}