/* ============================================================
   Chris Bertrand · chrisbertrand.ca
   Static site styles — single shared stylesheet
   ============================================================ */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: #212121;
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #1E2761; text-decoration: none; transition: color .2s ease; }
a:hover { color: #D4A574; }

/* ---------- Tokens ---------- */
:root {
  --navy: #1E2761;
  --navy-deep: #141B45;
  --navy-light: #CADCFC;
  --sand: #D4A574;
  --sand-deep: #B88758;
  --ink: #212121;
  --muted: #6C757D;
  --bg-subtle: #F8F9FA;
  --border: #E5E7EB;
  --container: 1100px;
  --gap: 1.25rem;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 .5em;
  line-height: 1.2;
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
p { margin: 0 0 1em; }
.lead { font-size: 1.18rem; line-height: 1.6; color: #2c2c2c; }
.eyebrow {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--sand-deep);
  margin: 0 0 .9rem;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; }
.section--tight { padding: 3.5rem 0; }
.section--bg { background: var(--bg-subtle); }
.section--navy { background: var(--navy); color: #FFFFFF; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #FFFFFF; }
.section--navy .eyebrow { color: var(--sand); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav { position: relative; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--navy);
  letter-spacing: -.01em;
}
.brand small {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .15rem;
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform .2s;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-links a {
  font-size: .95rem;
  color: var(--ink);
  font-weight: 500;
  position: relative;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a.active { color: var(--navy); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--sand);
}
.nav-cta {
  background: var(--navy);
  color: #FFFFFF !important;
  padding: .55rem 1.1rem;
  border-radius: 4px;
  font-weight: 500;
}
.nav-cta:hover { background: var(--navy-deep); color: #FFFFFF !important; }

/* ---------- Hero ---------- */
.hero {
  padding: 6rem 0 5rem;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-subtle) 100%);
}
.hero-inner { max-width: 820px; }
.hero h1 { margin-bottom: 1.2rem; }
.hero .lead { font-size: 1.32rem; color: #3a3a3a; margin-bottom: 2rem; }
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .85rem 1.6rem;
  font-weight: 500;
  font-size: .98rem;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-align: center;
}
.btn-primary {
  background: var(--navy);
  color: #FFFFFF;
}
.btn-primary:hover { background: var(--navy-deep); color: #FFFFFF; }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #FFFFFF; }
.btn-sand {
  background: var(--sand);
  color: var(--navy);
}
.btn-sand:hover { background: var(--sand-deep); color: #FFFFFF; }

/* ---------- Sections ---------- */
.section-title { max-width: 700px; margin-bottom: 3rem; }
.section-title .eyebrow { margin-bottom: .8rem; }

/* ---------- 3-col grid ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
.feature h3 { color: var(--navy); margin-bottom: .6rem; }
.feature .icon-num {
  display: inline-block;
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sand);
  margin-bottom: .8rem;
}

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat .num {
  font-family: Georgia, serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  display: block;
  margin-bottom: .4rem;
}
.stat .label {
  font-size: .9rem;
  color: var(--muted);
}

/* ---------- CTA panel ---------- */
.cta-panel {
  background: var(--navy);
  color: #FFFFFF;
  padding: 3.5rem 2.5rem;
  border-radius: 6px;
  text-align: center;
}
.cta-panel h2 { color: #FFFFFF; }
.cta-panel p { font-size: 1.1rem; color: var(--navy-light); max-width: 580px; margin: 0 auto 1.5rem; }

/* ---------- About / experience ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
.headshot {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--bg-subtle) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, serif;
  font-size: 3.5rem;
  color: var(--navy);
  border: 4px solid #FFFFFF;
  box-shadow: 0 4px 18px rgba(30,39,97,.08);
  object-fit: cover; /* makes <img class="headshot"> fill the circle without distortion */
}
.exp-block {
  margin: 2rem 0 2.5rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--sand);
}
.exp-block h3 { color: var(--navy); margin-bottom: .8rem; }
.exp-block ul { padding-left: 1.2rem; margin: 0; }
.exp-block li { margin-bottom: .5rem; }

/* ---------- Services ---------- */
.service-card {
  padding: 2rem;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 1.5rem;
  transition: box-shadow .2s, transform .2s;
}
.service-card:hover {
  box-shadow: 0 8px 24px rgba(30,39,97,.06);
}
.service-card h3 {
  color: var(--navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.service-card h3 .num {
  color: var(--sand);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .1em;
}
.service-card ul { margin: 1rem 0; padding-left: 1.2rem; }
.service-card li { margin-bottom: .4rem; }
.service-card .meta {
  font-size: .9rem;
  color: var(--muted);
  font-style: italic;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ---------- Case studies grid ---------- */
.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.case-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  border-top: 4px solid var(--sand);
  transition: transform .2s, box-shadow .2s;
}
.case-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(30,39,97,.08);
}
.case-card .tag {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sand-deep);
}
.case-card h3 {
  margin: .6rem 0 .8rem;
  font-size: 1.18rem;
  color: var(--navy);
}
.case-card p {
  color: var(--muted);
  font-size: .95rem;
  margin: 0;
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h2 { color: var(--navy); }
.contact-info p { font-size: 1.08rem; color: #3a3a3a; }
.contact-info .direct {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.contact-info .direct strong {
  display: block;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: .3rem;
}
.form-field { margin-bottom: 1.2rem; }
.form-field label {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: .35rem;
}
.form-field label .req { color: var(--sand-deep); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: .7rem .85rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #FFFFFF;
  color: var(--ink);
  transition: border-color .15s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(30,39,97,.08);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: .82rem; color: var(--muted); margin-top: .3rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: var(--navy-light);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner a { color: var(--navy-light); }
.footer-inner a:hover { color: var(--sand); }
.footer-brand {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  color: #FFFFFF;
}
.footer-meta {
  font-size: .85rem;
  color: rgba(202,220,252,.7);
  margin-top: 1.5rem;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0;
    border-top: 1px solid var(--border);
    box-shadow: 0 6px 16px rgba(0,0,0,.06);
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: .7rem 0; border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 1rem; }
  .nav-links a.active::after { display: none; }

  .grid-3 { grid-template-columns: 1fr; gap: 2rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .headshot { width: 160px; height: 160px; font-size: 2.6rem; margin: 0 auto; }
  .cases { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .section { padding: 3.5rem 0; }
  .hero { padding: 3.5rem 0 3rem; }
  .cta-panel { padding: 2.5rem 1.5rem; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
}

/* ---------- Case study deck modal ---------- */
.case-card.has-deck { cursor: pointer; }
.case-card.has-deck::after {
  content: 'View case study →';
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  margin-top: 1rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .2s ease, transform .2s ease;
}
.case-card.has-deck:hover::after { opacity: 1; transform: translateX(0); }

.case-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.case-modal.open { display: flex; }
.case-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 27, 69, 0.85);
  backdrop-filter: blur(4px);
  cursor: pointer;
}
.case-modal__dialog {
  position: relative;
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  z-index: 1;
}
.case-modal__close {
  position: absolute;
  top: -42px;
  right: 0;
  background: transparent;
  border: 0;
  color: #FFFFFF;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: .4rem;
  opacity: .85;
  transition: opacity .2s;
}
.case-modal__close:hover { opacity: 1; }
.case-modal__viewer {
  position: relative;
  background: #FFFFFF;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-modal__slide {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
}
.case-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(30, 39, 97, .85);
  color: #FFFFFF;
  border: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, opacity .2s;
}
.case-modal__nav:hover { background: var(--navy); }
.case-modal__nav:disabled { opacity: .35; cursor: not-allowed; }
.case-modal__nav--prev { left: 1rem; }
.case-modal__nav--next { right: 1rem; }
.case-modal__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem .25rem 0;
  color: #FFFFFF;
  font-size: .9rem;
}
.case-modal__counter { font-family: Georgia, serif; opacity: .85; }
.case-modal__title { color: var(--sand); font-weight: 500; }

@media (max-width: 880px) {
  .case-modal { padding: 1rem; }
  .case-modal__close { top: -38px; font-size: 1.8rem; }
  .case-modal__nav { width: 36px; height: 36px; font-size: 1rem; }
  .case-modal__nav--prev { left: .5rem; }
  .case-modal__nav--next { right: .5rem; }
  .case-modal__footer { font-size: .8rem; }
}