/* ===========================================================
   Cynthia Rakotomalala — Portfolio
   Minimal architecture-portfolio design system. No dependencies.
   =========================================================== */

:root {
  --paper:      #ffffff;
  --ink:        #141414;
  --muted:      #8a8a8a;
  --line:       #e8e8e8;
  --line-strong:#d2d2d2;
  --hover:      #b8865a;          /* warm clay accent, used sparingly */
  --maxw:       1180px;
  --gap:        clamp(1.25rem, 3vw, 2.75rem);
  --font: "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem 2rem; flex-wrap: wrap;
  padding: 1.05rem 0;
}
.brand {
  font-size: 1rem; font-weight: 700; letter-spacing: -.01em;
}
.brand span { display:block; font-weight: 400; font-size: .62rem; letter-spacing:.32em; color: var(--muted); margin-top: 2px; }
.nav-links { display: flex; gap: clamp(.2rem, 1vw, .7rem); flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: .85rem; letter-spacing: 0;
  color: var(--muted); padding: .4rem .65rem;
  transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--ink); color: #fff; }
.nav-links a[aria-current="page"] { background: var(--ink); color: #fff; }

/* ---------- Page heading ---------- */
.page-head { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(1.75rem, 4vw, 3rem); }
.page-head h1 {
  margin: 0; font-weight: 700; line-height: 1.02;
  font-size: clamp(2.3rem, 7vw, 4.6rem); letter-spacing: -.01em;
}
.page-head .lede { margin: 1.1rem 0 0; max-width: 46ch; color: var(--muted); font-size: 1.05rem; }
.eyebrow { font-size: .7rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; }

/* ---------- Hero (home) ---------- */
.hero { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 4rem); }
.hero-top { text-align: center; }
.hero .hero-name { font-size: clamp(2rem, 6vw, 3.6rem); line-height: 1.05; margin: 0; letter-spacing: -.01em; }
.hero .role { font-size: clamp(.8rem, 2vw, 1rem); letter-spacing: .34em; text-transform: uppercase; color: var(--muted); margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0; }

/* d.a.u elevation drawing — the centrepiece */
.dau { margin: clamp(-1.75rem, -1vw, -.75rem) auto clamp(1rem,2vw,1.5rem); max-width: 1100px; }
.dau img { width: 100%; height: auto; display: block; }
.dau figcaption { margin-top: 1rem; text-align: center; font-size: .68rem; letter-spacing: .34em; text-transform: uppercase; color: var(--muted); }

/* entrance: drawing "draws in" left→right, name rises */
.hero-top { animation: heroRise .9s cubic-bezier(.2,.7,.2,1) both; }
.dau img { clip-path: inset(0 100% 0 0); animation: dauReveal 1.7s cubic-bezier(.76,0,.24,1) .35s forwards; }
.dau figcaption { opacity: 0; animation: heroRise .8s ease 1.7s forwards; }
@keyframes dauReveal { to { clip-path: inset(0 0 0 0); } }
@keyframes heroRise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .hero-top, .dau img, .dau figcaption { animation: none; clip-path: none; opacity: 1; transform: none; }
}

.home-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: clamp(2.5rem,6vw,5rem) 0 0; background: var(--line); border: 1px solid var(--line); }
.home-tiles a {
  background: var(--paper); padding: 1.8rem 1.6rem; min-height: 8.5rem;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: background .25s;
}
.home-tiles a:hover { background: var(--ink); }
.home-tiles .n { font-size: .7rem; letter-spacing: .25em; color: var(--muted); transition: color .25s; }
.home-tiles .t { font-size: 1.35rem; font-weight: 700; letter-spacing: -.01em; transition: color .25s; }
.home-tiles a:hover .t { color: #fff; }
.home-tiles a:hover .n { color: rgba(255,255,255,.6); }

/* ---------- Études gallery ---------- */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.25rem); padding-bottom: 5rem; }
.gallery .feature { grid-column: 1 / -1; }
figure.project { margin: 0; }
.frame {
  display: block; width: 100%; padding: 0; border: 0; background: #f0f0f0;
  cursor: pointer; overflow: hidden; line-height: 0;
}
figure.project img { width: 100%; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
figure.project .frame:hover img { transform: scale(1.025); }
figcaption { padding: .95rem 0 0; }
figcaption .name  { font-size: 1.18rem; font-weight: 700; letter-spacing: -.01em; }
figcaption .place { font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-top: .25rem; }

/* ---------- Project detail page ---------- */
.back-link { display: inline-block; margin-top: 1.6rem; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.back-link:hover { color: var(--ink); }
.detail-head { padding: clamp(1.5rem,4vw,2.75rem) 0 clamp(1.25rem,3vw,2rem); }
.detail-head .place { margin: 0 0 .8rem; font-size: .76rem; letter-spacing: .24em; text-transform: uppercase; color: var(--hover); }
.detail-head h1 { margin: 0; font-weight: 700; line-height: 1.02; font-size: clamp(2rem,6vw,3.8rem); letter-spacing: -.01em; }
.detail-head .meta { margin: .9rem 0 0; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.detail .desc { max-width: 68ch; margin: 0 0 clamp(2.25rem,5vw,3.5rem); font-size: 1.05rem; }
.detail .desc p { margin: 0 0 1.05rem; }
.detail .figs { display: grid; gap: clamp(1.5rem,3.2vw,2.75rem); padding-bottom: 4.5rem; }
.detail figure { margin: 0; }
.detail figure .frame { cursor: zoom-in; }
.detail figure img { width: 100%; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.detail figure .frame:hover img { transform: scale(1.02); }

/* ---------- Agences ---------- */
.agency { padding: clamp(2rem,5vw,3.5rem) 0; border-top: 1px solid var(--line); }
.agency:first-of-type { border-top: 0; }
.agency > h2 { margin: 0 0 1.8rem; font-size: clamp(1.4rem,3.5vw,2rem); letter-spacing: -.01em; }
.agency > h2 small { display:block; font-size:.68rem; letter-spacing:.28em; text-transform:uppercase; color:var(--muted); font-weight:400; margin-bottom:.5rem; }
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.4rem; }
.proj-card { border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; }
/* image slot — fills the box edge to edge */
.proj-card .slot { aspect-ratio: 4 / 3; overflow: hidden; background: #f0f0f0; }
.proj-card .slot img { display: block; width: 100%; height: 100%; object-fit: cover; }
.proj-card .body { padding: 1.1rem 1.15rem 1.3rem; flex: 1; display: flex; flex-direction: column; }
.proj-card .body h3 { margin: 0; font-size: 1.02rem; font-weight: 700; line-height: 1.3; }
.proj-card .body .phase { margin: .55rem 0 0; font-size: .82rem; color: var(--muted); }
.proj-card .more { margin-top: auto; padding-top: 1rem; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--hover); display: inline-flex; align-items: center; gap: .4rem; }
.proj-card .more::after { content: "↗"; font-size: .9em; }

/* linked cards (anchor) — hover lift + image zoom */
a.proj-card { color: inherit; transition: transform .25s, box-shadow .25s, border-color .25s; }
a.proj-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(20,20,15,.10); border-color: var(--line-strong); }
a.proj-card .slot img { transition: transform .6s cubic-bezier(.2,.7,.2,1); }
a.proj-card:hover .slot img { transform: scale(1.045); }

/* text-only cards (no source link / no image) */
.proj-card.is-text { background: transparent; border-style: dashed; }
.proj-card.is-text .body { padding-top: 1.25rem; }

/* ---------- CV ---------- */
.cv { padding-bottom: 5rem; display: grid; grid-template-columns: 1fr; gap: clamp(2rem,5vw,3.25rem); }
.cv-section { border-top: 1px solid var(--line); padding-top: clamp(1.5rem,3.5vw,2.4rem); }
.cv-section > h2 { margin: 0 0 1.5rem; font-size: .78rem; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.xp { display: grid; gap: 1.4rem; }
.xp-item { display: grid; grid-template-columns: minmax(180px, 14rem) 1fr; gap: .4rem 2rem; }
.xp-item .role { font-weight: 700; }
.xp-item .org  { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: #555; margin-top: .2rem; }
.xp-item .desc { color: var(--muted); }
.kv { display: grid; grid-template-columns: minmax(180px,14rem) 1fr; gap: .6rem 2rem; }
.kv dt { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.kv dd { margin: 0; }
.taglist { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .55rem; }
.taglist li { border: 1px solid var(--line-strong); padding: .3rem .8rem; font-size: .85rem; border-radius: 2px; }
.stack-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.stack-list li { padding-left: 1.1rem; position: relative; }
.stack-list li::before { content: "—"; position: absolute; left: 0; color: var(--hover); }
.writings { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.writings li { font-style: italic; max-width: 60ch; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 2rem; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 2.2rem; padding-bottom: 2.2rem; }
.site-footer small { color: var(--muted); font-size: .74rem; letter-spacing: .1em; }

/* ---------- Lightbox ---------- */
.lb { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center;
  background: #14140f; padding: clamp(1rem, 4vw, 3rem); }
.lb.open { display: flex; }
.lb img { max-width: 100%; max-height: 82vh; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lb .lb-cap { position: absolute; bottom: clamp(1rem,4vw,2.2rem); left: 0; right: 0; text-align: center; color: #f6f5f1; }
.lb .lb-cap .name { font-weight: 700; }
.lb .lb-cap .place { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: #bdbbb2; margin-top: .2rem; }
.lb button { position: absolute; background: none; border: 0; color: #f6f5f1; cursor: pointer; }
.lb .lb-close { top: clamp(1rem,3vw,2rem); right: clamp(1rem,3vw,2rem); font-size: 2rem; line-height: 1; }
.lb .lb-prev, .lb .lb-next { top: 50%; transform: translateY(-50%); font-size: 2.6rem; padding: .5rem 1rem; opacity: .7; transition: opacity .2s; }
.lb .lb-prev:hover, .lb .lb-next:hover, .lb .lb-close:hover { opacity: 1; }
.lb .lb-prev { left: clamp(.25rem,2vw,1.5rem); }
.lb .lb-next { right: clamp(.25rem,2vw,1.5rem); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .gallery { grid-template-columns: 1fr; }
  .home-tiles { grid-template-columns: 1fr; }
  .xp-item, .kv { grid-template-columns: 1fr; gap: .3rem; }
  .nav { padding: .85rem 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}