/* =========================================================
   ZIA DESIGN & BUILD — style.css
   ========================================================= */

:root{
  --navy: #141b30;
  --navy-2: #1c2540;
  --cream: #f7f5f1;
  --cream-2: #efece4;
  --gold: #c8a06a;
  --gold-dark: #a9814f;
  --text: #2b2f3a;
  --text-soft: #6a6f7d;
  --text-on-dark: #eceef2;
  --text-on-dark-soft: #aab0c2;
  --border: #e3ded4;
  --border-dark: #2b3450;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Jost', Arial, sans-serif;

  --container: 1200px;
  --radius: 2px;
  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-serif); font-weight:500; margin:0; color: var(--navy); line-height:1.15; }
p{ margin:0; }
em{ font-style: italic; color: var(--gold-dark); }
button{ font-family: inherit; cursor:pointer; }
input, select, textarea{ font-family: inherit; font-size:1rem; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--navy); color:#fff;
  padding:.75rem 1.25rem; z-index:999;
}
.skip-link:focus{ left:1rem; top:1rem; }

/* ---------- layout helpers ---------- */
.section{ max-width: var(--container); margin: 0 auto; padding: 6.5rem 1.5rem; }
.section-alt{ background: var(--cream-2); max-width:none; }
.section-alt > *{ max-width: var(--container); margin-left:auto; margin-right:auto; }
.section-dark{ background: var(--navy); max-width:none; color: var(--text-on-dark); }
.section-dark h2{ color: #fff; }

.section-head{ max-width: 640px; margin-bottom: 3.5rem; }
.kicker{
  display:flex; align-items:center; gap:.75rem;
  font-size:.75rem; letter-spacing:.18em; text-transform:uppercase;
  color: var(--gold-dark); font-weight:500; margin-bottom:1rem;
}
.kicker span.kicker-dash{ width:28px; height:1px; background: var(--gold-dark); display:inline-block; }
.section-head h2{ font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom:1rem; }
.section-intro{ color: var(--text-soft); max-width: 46ch; }

.btn{
  display:inline-flex; align-items:center; gap:.5rem;
  padding: .95rem 1.9rem; font-size:.85rem; letter-spacing:.08em; text-transform:uppercase;
  border-radius: var(--radius); border:1px solid transparent; transition: var(--transition);
  font-weight:500;
}
.btn-solid{ background: var(--navy); color:#fff; }
.btn-solid:hover{ background: var(--gold-dark); }
.btn-ghost-light{ border-color: rgba(255,255,255,.55); color:#fff; }
.btn-ghost-light:hover{ background: rgba(255,255,255,.12); }

/* ---------- header ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 1.25rem 1.5rem 0;
}
.header-inner{
  max-width: var(--container); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  background: rgba(20,27,48,.55);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: .6rem .7rem .6rem 1.1rem;
}
.logo{ display:flex; align-items:center; gap:.5rem; }
.logo-text{ font-family: var(--font-serif); font-size:1.05rem; letter-spacing:.14em; color:#fff; }
.logo img{ filter: brightness(0) invert(1); }

.main-nav ul{ display:flex; gap:2rem; }
.main-nav a{
  color: rgba(255,255,255,.85); font-size:.8rem; letter-spacing:.09em; text-transform:uppercase;
  padding:.5rem 0; transition: var(--transition);
}
.main-nav a:hover{ color: var(--gold); }

.header-right{ display:flex; align-items:center; gap:1rem; }
.lang-switch{ display:flex; gap:.4rem; }
.lang-btn{
  background:none; border:none; color: rgba(255,255,255,.55);
  font-size:.72rem; letter-spacing:.08em; padding:.3rem .35rem;
}
.lang-btn.is-active{ color: var(--gold); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.2);
  border-radius:50%;
}
.nav-toggle span{ width:14px; height:1px; background:#fff; margin:0 auto; transition: var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{
  position: relative; min-height: 100vh;
  display:flex; flex-direction:column; justify-content:center;
  background: linear-gradient(180deg, #e9e5dd 0%, var(--navy-2) 24%, var(--navy) 55%);
  overflow:hidden; padding: 8rem 1.5rem 4rem;
}
.hero-video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:0;
}
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(20,27,48,.25) 0%, rgba(20,27,48,.55) 55%, rgba(20,27,48,.85) 100%);
}
.hero-pattern{
  position:absolute; inset:0; opacity:.35; pointer-events:none; z-index:1;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 79px, rgba(255,255,255,.06) 80px),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(255,255,255,.06) 80px);
}
.hero-pattern::after{
  content:""; position:absolute; right:-10%; top:10%; width:70%; height:80%;
  border:1px solid rgba(200,160,106,.25); border-radius:50%;
}
.hero-inner{ position:relative; z-index:2; max-width: var(--container); margin:0 auto; width:100%; }
.eyebrow{
  color: var(--gold); font-size:.78rem; letter-spacing:.2em; text-transform:uppercase; margin-bottom:1.5rem;
}
.hero-title{
  font-size: clamp(3rem, 9vw, 6rem); color:#fff; font-weight:400; margin-bottom:1.75rem;
}
.hero-title em{ color: rgba(255,255,255,.75); }
.hero-text{ max-width: 46ch; color: rgba(255,255,255,.75); font-size:1.05rem; margin-bottom:2.5rem; }
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.scroll-cue{
  position:absolute; z-index:2; right: 2rem; bottom: 2rem; color: rgba(255,255,255,.6);
  writing-mode: vertical-rl; font-size:.7rem; letter-spacing:.2em; text-transform:uppercase;
  display:flex; align-items:center; gap:.75rem;
}
.scroll-cue::after{ content:""; width:1px; height:50px; background: rgba(255,255,255,.4); }

/* ---------- stats ---------- */
.stats{
  display:grid; grid-template-columns: repeat(4, 1fr);
  background: var(--navy); color:#fff;
}
.stat{
  padding: 2.75rem 1.5rem; text-align:left; border-right:1px solid rgba(255,255,255,.08);
  display:flex; flex-direction:column; gap:.35rem;
}
.stat:last-child{ border-right:none; }
.stat-num{ font-family: var(--font-serif); font-size: 2.4rem; }
.stat-num sup{ color: var(--gold); font-size:1rem; }
.stat-label{ font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-on-dark-soft); }

/* ---------- expertises ---------- */
.expertise-row{
  display:grid; grid-template-columns: 60px 1fr 1.4fr; gap:2rem; align-items:start;
  padding: 1.75rem 0; border-top: 1px solid var(--border);
}
.expertise-list .expertise-row:last-child{ border-bottom: 1px solid var(--border); }
.expertise-num{ font-family: var(--font-serif); color: var(--gold-dark); font-size:.95rem; }
.expertise-row h3{ font-size:1.4rem; }
.expertise-row p{ color: var(--text-soft); max-width: 48ch; }

/* ---------- processus ---------- */
.process-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap:0; border: 1px solid var(--border); }
.process-card{ padding: 2rem; border-right: 1px solid var(--border); }
.process-card:last-child{ border-right:none; }
.process-num{ color: var(--gold-dark); font-family: var(--font-serif); font-size:.9rem; }
.process-card h3{ font-size:1.25rem; margin: .75rem 0; }
.process-card p{ color: var(--text-soft); font-size:.92rem; }

/* ---------- projects ---------- */
.project-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.project-card{ display:flex; flex-direction:column; gap:.9rem; }
.project-img{ aspect-ratio: 4/3; border-radius: var(--radius); overflow:hidden; }
.project-img img{ width:100%; height:100%; object-fit:cover; }
.project-meta h3{ font-size:1.1rem; margin-bottom:.25rem; }
.project-meta p{ color: var(--text-soft); font-size:.85rem; letter-spacing:.02em; }

/* placeholder for missing photography */
.placeholder-img{
  position:relative;
  background: repeating-linear-gradient(135deg, #eae6dc, #eae6dc 10px, #e3ded2 10px, #e3ded2 20px);
  border: 1px dashed var(--gold-dark);
  display:flex; align-items:center; justify-content:center;
}
.placeholder-img::before{
  content: attr(data-label);
  color: var(--gold-dark); font-size:.7rem; letter-spacing:.06em; text-transform:uppercase;
  text-align:center; padding: 0 1rem; background: rgba(247,245,241,.9);
}
.placeholder-img img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.placeholder-img img:not([src=""]):not([style*="display: none"]) ~ ::before{ display:none; }

/* ---------- about ---------- */
.about-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items:center; max-width: var(--container); margin:0 auto; }
.about-media{ position:relative; }
.about-img{ aspect-ratio: 4/5; }
.about-badge{
  position:absolute; left:-1px; bottom:1.5rem; background: var(--gold); color: var(--navy);
  font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; padding:.6rem 1rem;
}
.about-content p{ color: var(--text-on-dark-soft); margin-bottom:1.1rem; }
.about-content .kicker{ color: var(--gold); }
.about-content .kicker span.kicker-dash{ background: var(--gold); }

/* solo variant: no photo column, text-only, centered */
.about-grid-solo{ grid-template-columns: 1fr; max-width: 760px; text-align:center; }
.about-grid-solo .kicker{ justify-content:center; }
.about-grid-solo .founder{ justify-content:center; }
.founder-no-photo{ justify-content:center; }

.founder{ display:flex; align-items:center; gap:1rem; margin-top:2rem; padding-top:2rem; border-top:1px solid var(--border-dark); }
.founder-photo{ width:56px; height:56px; border-radius:50%; overflow:hidden; flex:none; }
.founder-photo::before{ font-size:.55rem; }
.founder-photo img{ border-radius:50%; }
.founder-name{ display:block; font-family: var(--font-serif); font-size:1.1rem; color:#fff; }
.founder-role{ display:block; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--gold); }

/* ---------- testimonials ---------- */
.testimonial-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial{
  background: #fff; border: 1px solid var(--border); padding: 2.25rem; margin:0;
  display:flex; flex-direction:column; gap:1.25rem;
}
.quote-mark{ font-family: var(--font-serif); font-size:2.5rem; color: var(--gold); line-height:1; }
.testimonial p{ font-style: italic; color: var(--text); font-size:1.02rem; }
.testimonial footer{ display:flex; flex-direction:column; font-size:.85rem; }
.testimonial footer strong{ color: var(--navy); }
.testimonial footer span{ color: var(--text-soft); }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns: .85fr 1.15fr; gap: 4rem; max-width: var(--container); margin:0 auto; }
.contact-info h2{ font-size: clamp(1.8rem,3vw,2.4rem); margin-bottom:2.5rem; }
.contact-info dl{ display:flex; flex-direction:column; gap:1.5rem; }
.contact-info dt{ font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color: var(--gold-dark); margin-bottom:.35rem; }
.contact-info dd{ margin:0; color: var(--text); }

.contact-form{ background:#fff; border:1px solid var(--border); padding: 2.5rem; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:1.5rem; }
.field{ margin-bottom:1.5rem; }
.field label{ display:block; font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-soft); margin-bottom:.5rem; }
.field input, .field select, .field textarea{
  width:100%; border:none; border-bottom:1px solid var(--border); padding:.6rem 0; background:transparent;
  color: var(--text); outline:none; transition: var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--gold-dark); }
.field textarea{ resize: vertical; }
.form-status{ margin-top:1rem; font-size:.85rem; color: var(--gold-dark); }

/* ---------- footer ---------- */
.site-footer{ background: var(--navy); color: var(--text-on-dark-soft); }
.footer-top{
  max-width: var(--container); margin:0 auto; padding: 5rem 1.5rem 3rem;
  display:grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 3rem;
}
.footer-brand p{ margin: 1rem 0; max-width: 32ch; font-size:.9rem; }
.footer-brand .logo img{ filter: brightness(0) invert(1); }
.social-links{ display:flex; gap:.75rem; margin-top:1rem; }
.social-links a{
  width:34px; height:34px; border:1px solid var(--border-dark); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transition: var(--transition);
}
.social-links a:hover{ border-color: var(--gold); color: var(--gold); }
.footer-note{ font-size:.72rem !important; color:#6f7590; font-style: italic; }

.footer-col h4{ color:#fff; font-family: var(--font-sans); font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:1.25rem; font-weight:500; }
.footer-col ul{ display:flex; flex-direction:column; gap:.75rem; font-size:.9rem; }
.footer-col a:hover{ color: var(--gold); }

.footer-bottom{
  border-top:1px solid var(--border-dark);
  max-width: var(--container); margin:0 auto; padding: 1.5rem;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; font-size:.8rem;
}
.footer-legal{ display:flex; gap:1.5rem; }
.footer-legal a:hover{ color: var(--gold); }

/* ---------- back to top ---------- */
.back-to-top{
  position: fixed; right:1.5rem; bottom:1.5rem; width:44px; height:44px; border-radius:50%;
  background: var(--navy); color:#fff; border:none; font-size:1.1rem;
  opacity:0; visibility:hidden; transform: translateY(10px);
  transition: var(--transition); z-index:90;
}
.back-to-top.is-visible{ opacity:1; visibility:visible; transform:none; }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header-inner.is-open .main-nav{
    display:block; position:absolute; top: 64px; left:0; right:0;
    background: var(--navy); border-radius: 14px; padding: 1rem 1.5rem 1.5rem;
  }
  .header-inner.is-open .main-nav ul{ flex-direction:column; gap:0; }
  .header-inner.is-open .main-nav a{ display:block; padding: .85rem 0; border-bottom:1px solid rgba(255,255,255,.08); }

  .stats{ grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2){ border-right:none; }
  .stat{ border-bottom:1px solid rgba(255,255,255,.08); }

  .expertise-row{ grid-template-columns: 40px 1fr; }
  .expertise-row p{ grid-column: 2; }

  .process-grid{ grid-template-columns: 1fr 1fr; }
  .process-card{ border-bottom:1px solid var(--border); }
  .process-card:nth-child(2n){ border-right:none; }

  .project-grid{ grid-template-columns: 1fr 1fr; }

  .about-grid{ grid-template-columns: 1fr; gap:2.5rem; }

  .testimonial-grid{ grid-template-columns: 1fr; }

  .contact-grid{ grid-template-columns: 1fr; gap:2.5rem; }

  .footer-top{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px){
  .section{ padding: 4.5rem 1.25rem; }
  .hero{ padding-top: 7rem; }
  .stats{ grid-template-columns: 1fr 1fr; }
  .process-grid{ grid-template-columns: 1fr; }
  .process-card{ border-right:none !important; }
  .project-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; padding: 3.5rem 1.5rem 2rem; }
  .footer-bottom{ flex-direction:column; text-align:center; }
  .scroll-cue{ display:none; }
}