/* ==========================================================================
   alfadiallo.com - shared styles
   Dark is the default theme. Light applies only when the visitor opts in.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

:root {
  --paper:   #101216;
  --paper-2: #15181d;
  --ink:     #ecebe6;
  --ink-soft:#a3a5ac;
  --line:    rgba(255,255,255,.14);
  --line-2:  rgba(255,255,255,.07);
  --accent:  #74eac0;
  --on-accent:#0b0d10;
  --btn-bg:  #ecebe6;
  --btn-fg:  #101216;
  --card:    #191c22;
  --shadow:  0 1px 2px rgba(0,0,0,.4), 0 16px 34px -18px rgba(0,0,0,.7);
  --maxw: 1120px;
  --font: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
/* Light mode uses a deeper shade of the same mint so text keeps WCAG AA contrast. */
:root[data-theme="light"] {
  --paper:   #f6f4ef;
  --paper-2: #efece4;
  --ink:     #17191d;
  --ink-soft:#565962;
  --line:    rgba(23,25,29,.13);
  --line-2:  rgba(23,25,29,.08);
  --accent:  #0d7a58;
  --on-accent:#ffffff;
  --btn-bg:  #17191d;
  --btn-fg:  #f6f4ef;
  --card:    #fbfaf6;
  --shadow:  0 1px 2px rgba(23,25,29,.05), 0 12px 28px -14px rgba(23,25,29,.16);
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; margin: 0; }
p { margin: 0; }
::selection { background: var(--accent); color: var(--on-accent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 500; margin: 0 0 18px;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer;
  transition: border-color .2s, background .2s; flex: none;
}
.theme-toggle:hover { border-color: var(--ink); }
.theme-toggle svg { width: 17px; height: 17px; }

/* ---------- Contact / social links ---------- */
.social {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 19px; border-radius: 999px;
  border: 1px solid var(--line); font-weight: 500; font-size: 15px;
  transition: border-color .2s, transform .2s, background .2s;
}
.social:hover { border-color: var(--ink); transform: translateY(-2px); }
.social svg { width: 18px; height: 18px; flex: none; }

/* ==========================================================================
   Landing page (hero only)
   ========================================================================== */
.hero { position: relative; min-height: 100dvh; display: flex; align-items: center; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 45%; z-index: 0; }
/* Text sits centered and left, over bright sky, so the scrim leans left to
   keep white type well above WCAG AA against the photo. */
.hero-scrim { position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to right, rgba(8,10,14,.72) 0%, rgba(8,10,14,.46) 38%, rgba(8,10,14,0) 72%),
    linear-gradient(to top, rgba(8,10,14,.55) 0%, rgba(8,10,14,.26) 45%, rgba(8,10,14,.20) 100%);
}
/* Wider container plus a smaller inset shifts the block left of the page grid. */
.hero .wrap { position: relative; z-index: 2; width: 100%; max-width: 1280px;
  padding: 96px clamp(24px, 3vw, 40px); }
.hero-inner { max-width: 760px; color: #fff; }
.hero .eyebrow { color: rgba(255,255,255,.82); }
/* Short two-word headline, so it scales up to carry the full-height hero. */
.hero h1 { font-size: clamp(3.25rem, 10vw, 7.5rem); letter-spacing: -.04em; }
.hero h1 .accent { color: #74eac0; }
.hero p.lede { margin-top: 22px; font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.5; color: rgba(255,255,255,.92); max-width: 42ch; font-weight: 400; }
.hero .links { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero .social { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(0,0,0,.16); backdrop-filter: blur(4px); }
.hero .social:hover { border-color: #fff; background: rgba(0,0,0,.3); }

.hero-toggle { position: absolute; top: 22px; right: 24px; z-index: 3;
  border-color: rgba(255,255,255,.34); background: rgba(0,0,0,.18); color: #fff; }
.hero-toggle:hover { border-color: #fff; }
.hero-name { position: absolute; bottom: 28px; right: 24px; z-index: 2; color: rgba(255,255,255,.62); font-size: 12.5px; letter-spacing: .06em; }

/* ==========================================================================
   Projects index (/projects)
   ========================================================================== */
.p-head { padding: clamp(56px, 9vw, 104px) 0 clamp(36px, 5vw, 56px); }
.p-head h1 { font-size: clamp(2.3rem, 6vw, 3.9rem); letter-spacing: -.035em; }
.p-head .lede {
  margin-top: 20px; color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 54ch;
}

.p-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  padding-bottom: clamp(56px, 8vw, 96px);
}
.p-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px 22px; display: flex; flex-direction: column; min-height: 232px;
  box-shadow: var(--shadow);
  transition: transform .22s cubic-bezier(.16,1,.3,1), border-color .22s;
}
.p-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.p-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.p-card .top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.p-card h2 { font-size: 1.24rem; letter-spacing: -.02em; }
.p-card .yr { font-size: 12.5px; color: var(--ink-soft); font-variant-numeric: tabular-nums; flex: none; }
.p-card .role {
  margin-top: 4px; font-size: 12.5px; letter-spacing: .05em;
  text-transform: uppercase; color: var(--accent); font-weight: 500;
}
.p-card p { margin-top: 14px; color: var(--ink-soft); font-size: .99rem; line-height: 1.55; }
.p-card .go {
  margin-top: auto; padding-top: 20px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500; color: var(--ink);
}
.p-card .go svg { width: 15px; height: 15px; transition: transform .22s; }
.p-card:hover .go svg { transform: translateX(3px); }

/* ==========================================================================
   Venture subpages
   ========================================================================== */
.page-nav { border-bottom: 1px solid var(--line-2); }
.page-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.back {
  display: inline-flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 500;
  color: var(--ink-soft); transition: color .2s;
}
.back:hover { color: var(--ink); }
.back svg { width: 16px; height: 16px; }

.v-head { padding: clamp(56px, 9vw, 104px) 0 clamp(40px, 6vw, 64px); }
.v-head .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; }
.v-role {
  font-size: 12.5px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.v-year { font-size: 12.5px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.v-head h1 { font-size: clamp(2.3rem, 6vw, 3.9rem); letter-spacing: -.035em; max-width: 18ch; }
.v-head .lede {
  margin-top: 26px; font-size: clamp(1.12rem, 2.2vw, 1.5rem); line-height: 1.45;
  letter-spacing: -.01em; max-width: 34ch; color: var(--ink);
}

.v-body { padding-bottom: clamp(56px, 8vw, 96px); }
.v-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: start; }
.v-prose p { font-size: 1.08rem; line-height: 1.65; color: var(--ink-soft); }
.v-prose p + p { margin-top: 18px; }
.v-prose h2 { font-size: 1.4rem; margin: 40px 0 16px; letter-spacing: -.02em; }
.v-prose h2:first-child { margin-top: 0; }
.v-prose ul { margin: 16px 0 0; padding: 0; list-style: none; }
.v-prose li {
  padding: 13px 0 13px 22px; position: relative;
  border-bottom: 1px solid var(--line-2); color: var(--ink-soft); font-size: 1.02rem;
}
.v-prose li:last-child { border-bottom: 0; }
.v-prose li::before {
  content: ""; position: absolute; left: 0; top: 22px;
  width: 8px; height: 2px; background: var(--accent);
}
.v-prose li strong { color: var(--ink); font-weight: 500; }

/* Pages that have no written detail yet: drop the right rail and lay the
   facts out as a full-width strip so the page still reads as finished.
   Remove the "v-grid--solo" class once you add prose. */
.v-grid--solo { grid-template-columns: 1fr; }
.v-grid--solo .v-facts { display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 32px; }
.v-grid--solo .v-facts div { border-bottom: 0; }

.v-facts { border-top: 1px solid var(--line); }
.v-facts div { padding: 17px 0; border-bottom: 1px solid var(--line-2); }
.v-facts dt { font-size: 12px; letter-spacing: .11em; text-transform: uppercase; color: var(--ink-soft); }
.v-facts dd { margin: 5px 0 0; font-size: 1.02rem; font-weight: 500; }

/* Weekly progress page (/progress). Entries are generated — see progress.html. */
.wk-feed { max-width: 720px; }
.wk { padding: 34px 0 40px; border-top: 1px solid var(--line); }
.wk:first-child { border-top: 0; padding-top: 0; }
.wk h2 { font-size: 1.55rem; letter-spacing: -.02em; }
.wk h3 {
  margin: 30px 0 4px; font-size: 12.5px; letter-spacing: .13em;
  text-transform: uppercase; font-weight: 500; color: var(--accent);
}
.wk ul { margin-top: 6px; }
.wk-empty { color: var(--ink-soft); }

.v-cta { background: var(--paper-2); padding: clamp(56px, 8vw, 88px) 0; border-top: 1px solid var(--line-2); }
.v-cta h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); letter-spacing: -.025em; }
.v-cta p { margin-top: 14px; color: var(--ink-soft); max-width: 46ch; }
.v-cta .links { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }

footer.foot { padding: 34px 0; border-top: 1px solid var(--line); background: var(--paper); }
footer.foot .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.foot .cred { color: var(--ink-soft); font-size: 14px; }
footer.foot .cred strong { color: var(--ink); font-weight: 700; }
footer.foot .mini { display: flex; gap: 18px; }
footer.foot .mini a { color: var(--ink-soft); font-size: 14px; transition: color .2s; }
footer.foot .mini a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .p-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .v-grid { grid-template-columns: 1fr; }
  .v-grid--solo .v-facts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .p-grid { grid-template-columns: 1fr; }
  .p-card { min-height: 0; }
}
@media (max-width: 480px) {
  .v-grid--solo .v-facts { grid-template-columns: 1fr; }
  .v-grid--solo .v-facts div { border-bottom: 1px solid var(--line-2); }
}
@media (max-width: 760px) {
  .hero .wrap { padding-bottom: 56px; }
  .hero-name { display: none; }
  .hero .links { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .social, .theme-toggle, .back, .p-card, .p-card .go svg { transition: none; }
}