/* SILAS Studios — preview stylesheet
   One family (Geist) + Geist Mono for labels. Monochrome, one flat accent.
   Radius system: 0 everywhere. Motion: transform/opacity only. */

@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/Geist.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/GeistMono.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #0b0b0b;
  --bg-2: #131313;
  --ink: #efeee9;
  --ink-2: #a9a8a2;
  --ink-3: #8a8984;
  --line: rgba(239, 238, 233, 0.14);
  --line-strong: rgba(239, 238, 233, 0.32);
  --accent: #e3c770;

  --sans: "Geist", ui-sans-serif, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --max: 1440px;
  --header-h: 64px;
  --section: clamp(96px, 12vw, 176px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);

  --fs-display: clamp(2.6rem, 1.15rem + 5.6vw, 6.75rem);
  --fs-h2: clamp(2.1rem, 1.1rem + 3.4vw, 4.4rem);
  --fs-h3: clamp(1.6rem, 1.1rem + 1.7vw, 2.6rem);
  --fs-lead: clamp(1.1rem, 1rem + 0.35vw, 1.3rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-label: 0.75rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: 400; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--ink); color: var(--bg); }

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

.skip {
  position: absolute; left: var(--gutter); top: 8px; z-index: 100;
  padding: 10px 14px; background: var(--ink); color: var(--bg);
  transform: translateY(-160%);
}
.skip:focus { transform: none; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- type ---------- */
.display { font-size: var(--fs-display); line-height: 0.98; letter-spacing: -0.045em; }
.h2 { font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -0.04em; }
.h3 { font-size: var(--fs-h3); line-height: 1.08; letter-spacing: -0.03em; }
.lead { font-size: var(--fs-lead); line-height: 1.45; color: var(--ink-2); max-width: 34ch; }
.body-2 { color: var(--ink-2); max-width: 58ch; }
.label {
  font-family: var(--mono); font-size: var(--fs-label); line-height: 1.4;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3);
}
.muted { color: var(--ink-2); }

/* ---------- links & buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 48px; padding: 0 22px;
  background: var(--ink); color: var(--bg);
  font-size: var(--fs-small); font-weight: 500; letter-spacing: -0.005em; white-space: nowrap;
  border: 1px solid var(--ink);
  transition: transform 0.5s var(--ease), opacity 0.3s var(--ease);
}
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.98); }
.btn .arr { display: inline-block; transition: transform 0.5s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { opacity: 1; border-color: var(--ink); }

.arrow-link {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px;
  font-size: var(--fs-small); color: var(--ink);
}
.arrow-link .arr { display: inline-block; transition: transform 0.5s var(--ease); }
.arrow-link:hover .arr { transform: translateX(4px); }
.arrow-link--out:hover .arr { transform: translate(3px, -3px); }
.arrow-link span:not(.arr) { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size 0.5s var(--ease); }
.arrow-link:hover span:not(.arr) { background-size: 100% 1px; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  height: var(--header-h);
}
.site-header::before {
  content: ""; position: absolute; inset: 0;
  background: var(--bg); /* fully opaque: page text must not show through the bar */
  border-bottom: 1px solid var(--line);
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.site-header.is-solid::before { opacity: 1; }
.site-header .wrap { position: relative; height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; min-height: 44px; margin-right: auto; font-size: 1rem; font-weight: 500; letter-spacing: 0; text-transform: none; }
.brand svg { width: 22px; height: auto; color: var(--ink); }
.brand-word { font-size: 0.95rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; }
.brand-word em { font-style: normal; font-weight: 400; color: var(--ink-2); letter-spacing: 0.16em; margin-left: 0.35em; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a, .nav button.linkish { font-size: var(--fs-small); color: var(--ink-2); transition: opacity .3s var(--ease); }
.nav a:hover, .nav button.linkish:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a.btn, .nav a.btn:hover { color: var(--bg); }
.linkish { background: none; border: 0; padding: 0; cursor: pointer; min-height: 44px; }
.lang { display: inline-flex; align-items: center; gap: 2px; font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.08em; }
.lang a, .lang span { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 44px; color: var(--ink-3); }
.lang [aria-current="true"] { color: var(--ink); }
.lang a:hover { color: var(--ink); }
.header-cta { min-height: 40px; padding: 0 16px; }
.menu-btn {
  display: none; align-items: center; gap: 10px; min-height: 44px; padding: 0 0 0 8px;
  background: none; border: 0; cursor: pointer; font-size: var(--fs-small);
}
.menu-btn .bars { position: relative; width: 18px; height: 10px; }
.menu-btn .bars::before, .menu-btn .bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor;
  transition: transform 0.5s var(--ease);
}
.menu-btn .bars::before { top: 0; }
.menu-btn .bars::after { bottom: 0; }
.menu-open .menu-btn .bars::before { transform: translateY(4.25px) rotate(45deg); }
.menu-open .menu-btn .bars::after { transform: translateY(-4.25px) rotate(-45deg); }

@media (max-width: 959px) {
  .nav .hide-sm, .header-cta { display: none; }
  .menu-btn { display: inline-flex; }
  .nav { gap: 4px; }
  .brand-word em { display: none; }
}

/* ---------- menu overlay ---------- */
.menu {
  position: fixed; inset: 0; z-index: 35;
  background: var(--bg);
  padding: calc(var(--header-h) + 24px) 0 32px;
  overflow-y: auto;
  opacity: 0; visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0s linear 0.45s;
}
.menu-open .menu { opacity: 1; visibility: visible; transition: opacity 0.45s var(--ease), visibility 0s; }
.menu-open { overflow: hidden; }
.menu-open .site-header::before { opacity: 1; }
.menu .wrap { display: grid; gap: 40px; }
.menu-list a {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: clamp(1.75rem, 1.2rem + 3vw, 3.4rem); letter-spacing: -0.035em; line-height: 1.05;
}
.menu-list a small { font-family: var(--mono); font-size: var(--fs-label); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); text-align: right; }
.menu-list li { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i, 0) * 45ms); }
.menu-open .menu-list li { opacity: 1; transform: none; }
.menu-foot { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  isolation: isolate; overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(11,11,11,0.94) 0%, rgba(11,11,11,0.7) 30%, rgba(11,11,11,0.35) 50%, rgba(11,11,11,0) 70%),
    linear-gradient(to bottom, rgba(11,11,11,0.7) 0%, rgba(11,11,11,0.25) 12%, rgba(11,11,11,0) 26%);
}
.hero-inner { width: 100%; padding-block: calc(var(--header-h) + 48px) clamp(40px, 7vh, 88px); display: grid; gap: 28px; }
.hero h1 { max-width: 13ch; }
.hero .lead { color: #cfcec8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-tag { display: inline-flex; align-items: center; gap: 12px; color: #cfcec8; }
.hero-tag svg { width: 18px; color: var(--ink); }
.hero--division h1 { max-width: 16ch; }
.hero--home h1 { font-size: clamp(3rem, 1.4rem + 6.2vw, 7.25rem); }

/* line mask reveal */
.ln { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.ln > span { display: block; }

/* ---------- sections ---------- */
.section { padding-block: var(--section); }
.section + .section { padding-top: 0; }
.section--rule { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 20px; margin-bottom: clamp(48px, 6vw, 88px); }
.section-head .h2 { max-width: 18ch; }

/* statement */
.statement { padding-block: var(--section); }
.statement p {
  font-size: clamp(1.75rem, 1rem + 3vw, 3.75rem); line-height: 1.12; letter-spacing: -0.035em;
  max-width: 24ch;
}
.statement p .muted { color: var(--ink-3); }

/* ---------- division index (home) ---------- */
.index { display: grid; grid-template-columns: 1fr; gap: 0; }
.index-panel { display: none; }
.index-row { padding-block: 40px; border-top: 1px solid var(--line); display: grid; gap: 18px; }
.index-row:last-child { border-bottom: 1px solid var(--line); }
.index-row .row-media { aspect-ratio: 16 / 10; background: var(--bg-2); overflow: hidden; }
.index-row .row-media video, .index-row .row-media img { width: 100%; height: 100%; object-fit: cover; }
.index-row .row-kicker { display: flex; justify-content: space-between; gap: 16px; }
.index-row h3 a { display: inline-block; }
.index-row p { color: var(--ink-2); max-width: 44ch; }

@media (min-width: 960px) {
  .index { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 5vw, 96px); align-items: start; }
  .index-list { grid-column: 1; grid-row: 1; }
  .index-panel {
    display: block; grid-column: 2; grid-row: 1;
    position: sticky; top: calc(var(--header-h) + 32px);
    aspect-ratio: 4 / 3.4; max-height: calc(100vh - var(--header-h) - 64px); width: 100%;
    background: var(--bg-2); overflow: hidden;
  }
  .panel-item { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s var(--ease-io); }
  .panel-item.is-active { opacity: 1; }
  .panel-item video, .panel-item img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 1.6s var(--ease); }
  .panel-item.is-active video, .panel-item.is-active img { transform: none; }
  .panel-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 20px; display: flex; justify-content: space-between; background: linear-gradient(to top, rgba(11,11,11,.7), rgba(11,11,11,0)); }
  .index-row { min-height: 46vh; align-content: center; padding-block: 56px; }
  .index-row .row-media { display: none; }
  .js .index-row { opacity: 0.32; transition: opacity 0.6s var(--ease); }
  .js .index-row.is-active, .js .index-row:hover, .js .index-row:focus-within { opacity: 1; }
}

/* ---------- work grid ---------- */
.work { display: grid; grid-template-columns: 1fr; gap: 40px 24px; }
.work figure { display: grid; gap: 14px; }
.work .frame { overflow: hidden; background: var(--bg-2); aspect-ratio: 4 / 3; }
.work .frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.work figure:hover .frame img { transform: scale(1.03); }
.work figcaption { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.work figcaption b { font-weight: 400; }
.ph { color: var(--accent); font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.ph-note { display: flex; gap: 12px; align-items: baseline; color: var(--ink-2); max-width: 60ch; }
.ph-note::before { content: ""; flex: none; width: 10px; height: 10px; border: 1px solid var(--accent); transform: translateY(1px); }

@media (min-width: 760px) {
  .work { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .work figure:nth-child(1) { grid-column: 1 / span 7; }
  .work figure:nth-child(2) { grid-column: 8 / span 5; margin-top: 18%; }
  .work figure:nth-child(3) { grid-column: 1 / span 5; }
  .work figure:nth-child(3) { margin-top: 4%; }
  .work figure:nth-child(4) { grid-column: 6 / span 7; margin-top: 14%; }
  .work figure:nth-child(1) .frame, .work figure:nth-child(4) .frame { aspect-ratio: 16 / 10; }
  .work--three figure:nth-child(1) { grid-column: 1 / -1; }
  .work--three figure:nth-child(1) .frame { aspect-ratio: 21 / 9; }
  .work--three figure:nth-child(2) { grid-column: 1 / span 6; margin-top: 0; }
  .work--three figure:nth-child(3) { grid-column: 7 / span 6; margin-top: 0; }
  .work--three figure:nth-child(2) .frame, .work--three figure:nth-child(3) .frame { aspect-ratio: 4 / 3; }
}

/* ---------- approach (4 verbs) ---------- */
.steps { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
.steps li { padding-block: 28px; display: grid; gap: 12px; border-bottom: 1px solid var(--line); }
.steps h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); letter-spacing: -0.03em; line-height: 1.1; }
.steps p { color: var(--ink-2); max-width: 36ch; }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
  .steps li { padding: 32px 28px 48px 0; border-bottom: 0; min-height: 280px; align-content: start; }
  .steps li + li { padding-left: 28px; border-left: 1px solid var(--line); }
}

/* ---------- what we make (division) ---------- */
.make { display: grid; gap: 40px; }
.make-list { border-top: 1px solid var(--line); }
.make-list li { display: grid; gap: 6px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.make-list h3 { font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.9rem); letter-spacing: -0.025em; line-height: 1.15; }
.make-list p { color: var(--ink-2); max-width: 52ch; }
.make-aside { display: grid; gap: 20px; align-content: start; }
@media (min-width: 960px) {
  .make { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 112px); }
  .make-aside { position: sticky; top: calc(var(--header-h) + 40px); }
  .make-list li { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px; align-items: baseline; padding-block: 28px; }
}
.fact { display: grid; gap: 6px; padding: 20px 0 0; border-top: 1px solid var(--line); max-width: 40ch; }

/* ---------- next division ---------- */
.next { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.next a { display: grid; gap: 16px; padding-block: 40px; align-items: center; }
.next .thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
.next .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.next a:hover .thumb img { transform: scale(1.04); }
.next .h2 .arr { display: inline-block; transition: transform .6s var(--ease); }
.next a:hover .h2 .arr { transform: translateX(8px); }
@media (min-width: 760px) {
  .next a { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; padding-block: 56px; }
}

/* ---------- CTA band ---------- */
.cta-band { padding-block: var(--section); border-top: 1px solid var(--line); }
.cta-band .wrap { display: grid; gap: 32px; justify-items: start; }
.cta-band .h2 { max-width: 16ch; }

/* ---------- contact ---------- */
.page-top { padding-top: calc(var(--header-h) + clamp(56px, 9vw, 120px)); padding-bottom: clamp(48px, 6vw, 80px); }
.page-top .display { max-width: 12ch; }
.contact { display: grid; gap: 56px; padding-bottom: var(--section); }
.contact-info { display: grid; gap: 28px; align-content: start; }
.contact-info dl { display: grid; gap: 22px; }
.contact-info dt { margin-bottom: 4px; }
.contact-info dd a { border-bottom: 1px solid var(--line-strong); }
@media (min-width: 960px) {
  .contact { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(48px, 7vw, 128px); }
}
.form { display: grid; gap: 28px; }
.form .row { display: grid; gap: 28px; }
@media (min-width: 640px) { .form .row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; }
.field label { font-size: var(--fs-small); color: var(--ink); }
.field label .opt { color: var(--ink-3); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 52px; padding: 12px 14px;
  background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 0;
  font-size: 1rem; color: var(--ink);
  transition: border-color .3s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 160px; resize: vertical; line-height: 1.5; }
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field .help { font-size: 0.875rem; color: var(--ink-3); }
.field .err { font-size: 0.875rem; color: var(--accent); min-height: 0; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--accent); }
.form-foot { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.form-status { font-size: var(--fs-small); color: var(--ink-2); max-width: 46ch; }
.form-status.is-ok { color: var(--ink); }
.form .btn[aria-busy="true"] { opacity: .6; pointer-events: none; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 72px 32px; }
.foot-grid { display: grid; gap: 48px; }
.foot-brand { display: grid; gap: 20px; align-content: start; }
.foot-name { color: var(--ink) !important; font-weight: 500; }
.foot-brand p { color: var(--ink-2); max-width: 30ch; }
.foot-col { display: grid; gap: 14px; align-content: start; }
.foot-col ul { display: grid; gap: 2px; }
.foot-col a { display: inline-flex; min-height: 36px; align-items: center; color: var(--ink-2); }
.foot-col a:hover { color: var(--ink); }
.foot-bottom { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }
@media (min-width: 760px) {
  .foot-grid { grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr)); }
}

/* ---------- preview ribbon ---------- */
.preview-flag {
  position: fixed; right: 12px; bottom: 12px; z-index: 30; display: none;
  padding: 6px 10px; background: var(--bg); border: 1px solid var(--accent);
  color: var(--accent); font-family: var(--mono); font-size: 0.6875rem; letter-spacing: .08em; text-transform: uppercase;
  pointer-events: none;
}

@media (min-width: 960px) { .preview-flag { display: block; } }

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js .ln > span { transform: translateY(105%); transition: transform 1.1s var(--ease); transition-delay: calc(120ms + var(--d, 0) * 90ms); }
  .js .is-in .ln > span, .js .ln.is-in > span { transform: none; }
  .js .hero-media { opacity: 0; transform: scale(1.06); transition: opacity 1.4s var(--ease), transform 2.4s var(--ease); }
  .js .hero.is-in .hero-media { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; scroll-behavior: auto !important; }
}