/* ============================================================
   Motion designer & 3D artist — Dakar
   warm earth editorial · diagonal split · film-grain field
   ============================================================ */

:root {
  --bg: #f5efe4;
  --bg-2: #efe6d6;
  --ink: #2b1e14;
  --ink-soft: #5c4a3a;
  --accent: #c25a37;
  --secondary: #6a7a4a;
  --line: rgba(43, 30, 20, 0.16);
  --inv-bg: #2b1e14;
  --inv-ink: #f5efe4;
  --inv-soft: #cbb9a4;
  --inv-accent: #e8a184;
  --inv-line: rgba(245, 239, 228, 0.22);
  --grain-opacity: 0.055;
  --maxw: 1180px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

html[data-theme="dark"] {
  --bg: #1a1310;
  --bg-2: #221a15;
  --ink: #f2e9dc;
  --ink-soft: #b8a692;
  --accent: #e07a52;
  --secondary: #9aab74;
  --line: rgba(242, 233, 220, 0.18);
  --inv-bg: #f2e9dc;
  --inv-ink: #1a1310;
  --inv-soft: #5c4a3a;
  --inv-accent: #a8431f;
  --inv-line: rgba(26, 19, 16, 0.2);
  --grain-opacity: 0.075;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: "wght" 380;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.65;
  text-wrap: pretty;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ---------- animated film grain ---------- */
.grain-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.grain {
  position: fixed;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  opacity: var(--grain-opacity);
  filter: url(#grain);
  background: var(--ink);
  mix-blend-mode: multiply;
}
html[data-theme="dark"] .grain { mix-blend-mode: screen; background: var(--ink); }

/* ---------- base type ---------- */
h1, h2, h3 { font-family: var(--serif); line-height: 1.05; margin: 0; }
h2 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3.1rem); font-variation-settings: "wght" 500; letter-spacing: -0.015em; }
h3 { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); font-variation-settings: "wght" 520; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 0.6rem 1rem; z-index: 50;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
}
.eyebrow-inv { color: var(--inv-accent); }

.muted { color: var(--ink-soft); }

/* ---------- header ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  animation: slide-down 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.mark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
.mark-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.nav { display: flex; gap: clamp(0.75rem, 2vw, 1.6rem); }
.nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.7rem 0.15rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav a:hover { color: var(--accent); }

.theme-toggle {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  color: var(--ink);
  flex: none;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-icon {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--ink);
  box-shadow: inset -4px -3px 0 0 var(--bg);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}
html[data-theme="dark"] .theme-icon {
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* ---------- diagonal split hero ---------- */
.split {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  isolation: isolate;
}

.split-a, .split-b {
  padding: clamp(3rem, 9vw, 7rem) var(--pad) clamp(3.5rem, 10vw, 8rem);
}
.split-a { background: var(--bg); }
.split-b { background: var(--inv-bg); color: var(--inv-ink); }

.split-inner { max-width: 620px; margin: 0 auto; }
.split-a .split-inner { margin-left: auto; margin-right: auto; }

/* the diagonal: on wide screens the two halves overlap and are sliced */
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split-a, .split-b { padding-top: clamp(4rem, 11vw, 9rem); padding-bottom: clamp(4rem, 11vw, 9rem); }
  .split-a {
    clip-path: polygon(0 0, 100% 0, 84% 100%, 0 100%);
    padding-right: clamp(4rem, 12vw, 11rem);
  }
  .split-b {
    margin-left: -16%;
    clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
    padding-left: clamp(4rem, 12vw, 11rem);
  }
  .split-b .split-inner { margin-left: 0; }
}

/* kinetic weight shift */
.kinetic {
  font-size: clamp(2.6rem, 1.4rem + 7vw, 6.2rem);
  font-variation-settings: "wght" 200;
  letter-spacing: -0.03em;
  transition: font-variation-settings 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
  cursor: default;
  margin-bottom: 1.2rem;
}
.kinetic:hover, .kinetic:focus-visible { font-variation-settings: "wght" 900; }

.lede {
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.services { list-style: none; margin: 0; padding: 0; }
.services li {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--inv-line);
}
.services li:first-child { border-top: 1px solid var(--inv-line); }
.svc-name {
  display: block;
  font-size: 1.15rem;
  font-variation-settings: "wght" 560;
  margin-bottom: 0.3rem;
}
.svc-desc {
  display: block;
  font-size: 0.95rem;
  color: var(--inv-soft);
  line-height: 1.55;
}

/* ---------- drag band ---------- */
.band-section {
  padding: clamp(3.5rem, 9vw, 6.5rem) 0 clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--line);
}
.band-head {
  max-width: var(--maxw);
  margin: 0 auto 1.8rem;
  padding: 0 var(--pad);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.band-hint {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

.band {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem var(--pad) 1.75rem;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.band.is-dragging { cursor: grabbing; user-select: none; }
.band.is-dragging * { pointer-events: none; }
.band::-webkit-scrollbar { height: 6px; }
.band::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.card {
  flex: 0 0 clamp(260px, 74vw, 340px);
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 1.1rem 1.1rem 1.4rem;
  display: flex;
  flex-direction: column;
}
.card-visual {
  aspect-ratio: 4 / 3;
  margin-bottom: 1.1rem;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 45%, color-mix(in srgb, var(--ink) 12%, transparent) 45.5%, transparent 46%);
}
.v1 { background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 30%, var(--bg))); }
.v2 { background: linear-gradient(30deg, var(--secondary), color-mix(in srgb, var(--secondary) 25%, var(--bg))); }
.v3 { background: linear-gradient(200deg, var(--ink), color-mix(in srgb, var(--ink) 45%, var(--bg))); }
.v4 { background: linear-gradient(70deg, color-mix(in srgb, var(--accent) 60%, var(--secondary)), var(--bg-2)); }
.v5 { background: linear-gradient(320deg, var(--secondary), var(--accent)); }
.v6 { background: linear-gradient(110deg, var(--bg-2), var(--ink-soft)); }

.card h3 { margin-bottom: 0.35rem; }
.card-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.7rem;
}
.card-body { font-size: 0.93rem; color: var(--ink-soft); margin: 0; line-height: 1.6; }

/* ---------- process ---------- */
.process {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6.5rem) var(--pad);
  border-top: 1px solid var(--line);
}
.process-head { max-width: 62ch; margin-bottom: 3rem; }
.section-lede {
  font-size: clamp(1.02rem, 1rem + 0.35vw, 1.18rem);
  color: var(--ink-soft);
  margin-top: 1.1rem;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}
.steps li {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.4rem 2rem;
}
.step-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.steps p { color: var(--ink-soft); margin: 0; max-width: 62ch; }

@media (min-width: 760px) {
  .steps li { grid-template-columns: 4rem 15rem 1fr; align-items: start; }
  .steps li h3 { margin: 0; }
}

/* ---------- about ---------- */
.about {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6.5rem) var(--pad);
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.55fr 1fr; }
}
.about-text h2 { margin-bottom: 1.4rem; }
.about-text p { max-width: 60ch; color: var(--ink-soft); }
.about-text p:first-of-type { color: var(--ink); font-size: 1.1rem; }

.facts {
  margin: 2.2rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.facts > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}
.facts dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 0.2rem;
}
.facts dd { margin: 0; }

.about-side h3 {
  font-size: 1rem;
  font-variation-settings: "wght" 600;
  margin-bottom: 0.5rem;
}
.about-side p { font-size: 0.95rem; color: var(--ink-soft); }
.about-side h3:not(:first-child) { margin-top: 2rem; }

/* ---------- contact ---------- */
.contact { padding: clamp(3.5rem, 9vw, 6.5rem) 0; }
.contact-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.15fr; }
}
.contact-intro h2 { margin-bottom: 1.2rem; }
.contact-intro p { color: var(--ink-soft); max-width: 46ch; }

.contact-list { list-style: none; margin: 2rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.contact-list li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.contact-list span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 0.25rem;
}

.contact-form { display: grid; gap: 1.1rem; }
.contact-form label { display: grid; gap: 0.4rem; }
.contact-form label > span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.8rem 0.9rem;
  width: 100%;
  min-height: 44px;
}
.contact-form textarea { resize: vertical; line-height: 1.55; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.contact-form button {
  justify-self: start;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.95rem 2rem;
  min-height: 44px;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.contact-form button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.form-status {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--secondary);
  margin: 0;
}

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  padding: 2.2rem var(--pad) 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
}
.foot-name {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0;
}
.attribution { margin: 0; font-size: 0.78rem; }
.attribution a { color: var(--ink-soft); }

/* ---------- one-shot page-load orchestration ---------- */
@keyframes slide-down {
  from { opacity: 0; transform: translateY(-14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes type-in {
  from { opacity: 0; clip-path: inset(0 100% 0 0); }
  to { opacity: 1; clip-path: inset(0 0 0 0); }
}

.split-a .eyebrow { animation: rise-in 0.6s ease-out 0.15s both; }
.kinetic { animation: type-in 0.9s cubic-bezier(0.3, 0.8, 0.2, 1) 0.3s both; }
.split-a .lede { animation: rise-in 0.7s ease-out 0.75s both; }
.split-a .hero-meta { animation: rise-in 0.7s ease-out 0.9s both; }
.split-b .eyebrow { animation: rise-in 0.6s ease-out 0.45s both; }
.split-b .services li:nth-child(1) { animation: rise-in 0.6s ease-out 0.6s both; }
.split-b .services li:nth-child(2) { animation: rise-in 0.6s ease-out 0.72s both; }
.split-b .services li:nth-child(3) { animation: rise-in 0.6s ease-out 0.84s both; }
.split-b .services li:nth-child(4) { animation: rise-in 0.6s ease-out 0.96s both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }
  .grain { display: none; }
  .kinetic { font-variation-settings: "wght" 500; }
  .kinetic:hover, .kinetic:focus-visible { font-variation-settings: "wght" 500; }
}