/* =============================================================
   TOKENS
   ============================================================= */
:root {
  --bg:      #F9F8F5;
  --black:   #111010;
  --muted:   #6B6760;
  --border:  #E2DED8;
  --void:    #0C0C0B;
  --vtext:   #D8D4CC;
  --vmuted:  #555250;
  --sans:   'Space Grotesk', system-ui, sans-serif;
  --mono:   'Space Mono', monospace;
  --nav:     60px;
  --max:     1240px;
  --pad:     clamp(20px, 5vw, 60px);
}

/* =============================================================
   RESET
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--black);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; touch-action: manipulation; }
ul  { list-style: none; }
button { touch-action: manipulation; }

/* =============================================================
   TYPOGRAPHY
   ============================================================= */
h1 { font-size: clamp(2.4rem, 6vw,  5rem);  font-weight: 300; letter-spacing: -0.02em; line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3.5vw, 3rem); font-weight: 300; letter-spacing: -0.02em; line-height: 1.1;  }
h3 { font-size: 1.15rem; font-weight: 400; }
h4 { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
p  { color: var(--muted); font-size: 0.95rem; line-height: 1.75; }

.label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* =============================================================
   NAV
   ============================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  /* iOS safe area */
  padding-left: max(var(--pad), env(safe-area-inset-left));
  padding-right: max(var(--pad), env(safe-area-inset-right));
  z-index: 100;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav.scrolled {
  background: rgba(249,248,245,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.nav__logo img { height: 30px; width: auto; transition: filter 0.3s; }
.nav:hover .nav__logo img { filter: brightness(0.85); }
.nav__links { display: flex; gap: 32px; }
.nav__links a {
  font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 8px 0; /* larger touch target */
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; width: 0;
  height: 1px; background: var(--black);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }
.nav__links a:hover,
.nav__links a.active { color: var(--black); }

/* void nav */
.nav--void .nav__logo img        { filter: invert(1); }
.nav--void .nav__links a         { color: rgba(216,212,204,0.55); }
.nav--void .nav__links a::after  { background: #fff; }
.nav--void .nav__links a:hover,
.nav--void .nav__links a.active  { color: #fff; }
.nav--void.scrolled              {
  background: rgba(12,12,11,0.94);
  border-color: #222;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.nav--void.scrolled .nav__logo img { filter: invert(1); }
.nav--void.scrolled .nav__links a  { color: rgba(216,212,204,0.55); }
.nav--void.scrolled .nav__links a:hover,
.nav--void.scrolled .nav__links a.active { color: #fff; }

/* burger */
.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 12px; margin-right: -12px; /* larger touch target */
  color: var(--black);
}
.nav__burger span {
  display: block; width: 22px; height: 1.5px; background: currentColor;
  transition: transform 0.25s, opacity 0.25s;
}
.nav--void .nav__burger { color: #fff; }

/* mobile overlay */
.nav__overlay {
  display: none; position: fixed; inset: 0;
  background: var(--void); z-index: 99;
  flex-direction: column; align-items: center; justify-content: center; gap: 0;
  /* iOS safe areas */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav__overlay.open { display: flex; }
.nav__overlay a {
  font-family: var(--mono); font-size: 1.3rem;
  color: var(--vtext); letter-spacing: 0.1em; text-transform: uppercase;
  padding: 20px 40px; /* large touch target */
  width: 100%; text-align: center;
}

/* =============================================================
   REVEAL
   ============================================================= */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }

/* =============================================================
   LANDING HERO
   ============================================================= */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 0 var(--pad);
}
.hero__logo { width: 72px; margin: 0 auto 28px; }

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.spin-slow {
  animation: spin-slow 11s linear infinite;
  transform-origin: center;
}

@keyframes logo-enter {
  from { opacity: 0; transform: scale(0.68) rotate(-18deg); }
  to   { opacity: 1; transform: scale(1)    rotate(0deg);   }
}
@keyframes logo-orbit {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.hero__logo {
  animation:
    logo-enter 1.6s cubic-bezier(0.16, 1, 0.3, 1) both,
    logo-orbit 32s linear 1.6s infinite;
}
.hero__rule  { width: 1px; height: 44px; background: var(--border); margin: 0 auto 28px; }
.hero__name  { margin-bottom: 14px; }
.hero__sub   { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.hero__scroll {
  position: absolute; bottom: max(36px, env(safe-area-inset-bottom) + 16px);
  left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted);
  animation: bob 2.2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0);   }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ── SPACE HERO VARIANT ──────────────────────────────────────── */
.hero--space {
  background:
    radial-gradient(ellipse at 20% 40%, rgba(100,200,255,0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(138,43,226,0.02) 0%, transparent 50%),
    #06060a;
  overflow: hidden;
}
.hero--space .starfield {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  filter: blur(0.3px);
}
/* push all flex children above the canvas */
.hero--space > *:not(.starfield) { position: relative; z-index: 1; }

/* invert the black logo to white on dark bg + glow */
.hero--space .hero__logo {
  filter: invert(1) drop-shadow(0 0 20px rgba(255,255,255,0.4)) drop-shadow(0 0 40px rgba(100,200,255,0.15));
  transition: filter 0.6s ease;
}
.hero--space .hero__logo:hover {
  filter: invert(1) drop-shadow(0 0 30px rgba(255,255,255,0.6)) drop-shadow(0 0 60px rgba(100,200,255,0.25));
}

/* atmospheric text treatment */
.hero--space .hero__rule {
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 8px rgba(100,200,255,0.3), inset 0 0 8px rgba(100,200,255,0.1);
  transition: all 0.3s ease;
}
.hero--space .hero__rule:hover {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 16px rgba(100,200,255,0.5), inset 0 0 12px rgba(100,200,255,0.2);
}

.hero--space .hero__name {
  color: #E8E4DC;
  text-shadow:
    0 0 30px rgba(100,200,255,0.15),
    0 0 60px rgba(138,43,226,0.08);
  letter-spacing: -0.015em;
}
.hero--space .hero__sub {
  color: rgba(216,212,204,0.6);
  letter-spacing: 0.24em;
  text-shadow: 0 0 15px rgba(100,200,255,0.1);
  font-weight: 400;
}
.hero--space .hero__scroll {
  color: rgba(255,255,255,0.28);
  animation: bob 2.8s ease-in-out infinite;
}

/* coordinates grid overlay — tech aesthetic */
.hero--space::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(100,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,200,255,0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  background-position: 0 0, 0 0;
  pointer-events: none; z-index: 0;
  opacity: 0.6;
  animation: grid-shift 20s linear infinite;
}

@keyframes grid-shift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 120px 120px, 120px 120px; }
}

/* =============================================================
   LAYOUT HELPERS
   ============================================================= */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section    { padding: 88px 0; }
.section + .section {
  border-top: 1px solid var(--border);
  position: relative;
}
/* subtle depth shadow on section dividers */
.section + .section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

/* =============================================================
   PROJECT CARD (landing)
   ============================================================= */
.work-label { padding: 88px var(--pad) 44px; max-width: var(--max); margin: 0 auto; }

.card {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border); overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: var(--max); margin: 0 auto;
  width: calc(100% - var(--pad) * 2);
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}
.card:hover {
  border-color: #999;
  box-shadow: 0 12px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(100,200,255,0.08);
  transform: translateY(-2px);
}
.card__img  { aspect-ratio: 4/3; overflow: hidden; }
.card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover .card__img img { transform: scale(1.048); }
.card__body {
  padding: 44px 40px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.card__num   { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 20px; }
.card__title { margin-bottom: 16px; }
.card__desc  { max-width: 38ch; }
.card__cta   {
  display: inline-block; margin-top: 40px;
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  border-bottom: 1px solid currentColor; padding-bottom: 3px; transition: all 0.3s;
}
.card:hover .card__cta {
  opacity: 1;
  transform: translateX(3px);
  border-bottom-color: #000;
}

/* Research card — text only, no image panel */
.card--research { grid-template-columns: 1fr; }
.card--research .card__body { padding: 44px 56px; min-height: 200px; }
.card--research .card__desc { max-width: 60ch; }

/* Research section label */
.research-label { padding: 88px var(--pad) 44px; max-width: var(--max); margin: 0 auto; }

/* =============================================================
   FOOTER
   ============================================================= */
footer {
  padding: 24px var(--pad);
  padding-bottom: max(24px, env(safe-area-inset-bottom) + 12px);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.01));
}

/* =============================================================
   PROJECT HERO
   ============================================================= */
.project-hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden; background: var(--void);
}
.project-hero__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  will-change: transform;
  filter: brightness(0.85) contrast(1.1);
}
.project-hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 50% 30%, rgba(100,200,255,0.08) 0%, transparent 50%),
    linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.2) 55%, transparent 100%);
}
.project-hero__content {
  position: absolute;
  bottom: max(56px, env(safe-area-inset-bottom) + 40px);
  left: var(--pad); right: var(--pad); color: #fff;
}
.project-hero__eyebrow {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.45); margin-bottom: 14px;
}
.project-hero__title {
  font-size: clamp(2.8rem, 9vw, 7.5rem);
  font-weight: 300; letter-spacing: -0.03em; line-height: 0.95; margin-bottom: 28px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.project-hero__meta {
  display: flex; flex-wrap: wrap; gap: 4px 20px;
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.38); text-transform: uppercase;
}

/* =============================================================
   PROJECT BODY
   ============================================================= */
.back-link {
  display: inline-block; margin-bottom: 20px;
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); transition: all 0.3s;
  padding: 8px 0; /* touch */
  border-bottom: 1px solid transparent;
}
.back-link:hover {
  color: var(--black);
  border-bottom-color: var(--black);
  transform: translateX(-3px);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
}
.stat {
  padding: 22px 18px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.stat:hover {
  background: rgba(0,0,0,0.02);
  transform: translateY(-1px);
}
.stat__val { font-size: 1.8rem; font-weight: 300; letter-spacing: -0.02em; line-height: 1; margin-bottom: 8px; }
.stat__key { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* Stats group — labelled clusters */
.stats-group { display: flex; flex-direction: column; }
.stats-group__label {
  background: var(--border);
  padding: 7px 18px;
  border: 1px solid var(--border);
  border-bottom: none;
}

/* Section header */
.sec-head {
  display: flex; align-items: baseline; gap: 20px; margin-bottom: 44px;
  padding-bottom: 20px; border-bottom: 1px solid var(--border);
}
.void .sec-head { border-color: #1e1e1e; }
.sec-head .label { flex-shrink: 0; }

/* Void panel */
.void {
  background:
    radial-gradient(ellipse at 30% 70%, rgba(100,200,255,0.02) 0%, transparent 50%),
    linear-gradient(180deg, #0C0C0B 0%, #0F0F0E 100%);
  padding: 72px 0;
  position: relative;
}
.void::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(100,200,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,200,255,0.015) 1px, transparent 1px);
  background-size: 100px 100px;
  pointer-events: none;
}
.void .label { color: var(--vmuted); }
.void h2, .void h3 { color: var(--vtext); }
.void p { color: var(--vmuted); }

/* White-bg line art — multiply removes white bg */
.drawing { mix-blend-mode: multiply; }

/* ── IMAGE GRID LAYOUTS ────────────────────────────────────── */

/* Two-col equal grid */
.img-pair {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  background: var(--border);
}
.img-pair > * { background: var(--bg); }

/* Full-width image */
.img-full { width: 100%; height: auto; display: block; }

/* ── PLAN CELLS ─────────────────────────────────────────────
   All plan images forced to the same height so paired plans
   look balanced regardless of their natural aspect ratios.
   ────────────────────────────────────────────────────────── */
.plan-cell {
  background: var(--bg);
  padding: 32px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.plan-cell img {
  /* Fixed display height — all plans align */
  height: 300px;
  width: 100%;
  object-fit: contain;
  object-position: center;
}
.plan-cell .label { text-align: center; }

/* Full-width plan (single, not in a pair) */
.plan-full {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 40px 32px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.plan-full img {
  height: 380px;
  width: 100%;
  object-fit: contain;
  object-position: center;
}
.plan-full .label { text-align: center; }

/* ── GREENHOUSE / CIRCULAR RENDERS ─────────────────────────
   Square cells — the circular renders are roughly 1:1.
   object-fit: contain shows the full image with no cropping.
   ────────────────────────────────────────────────────────── */
.render-cell {
  background: var(--bg);
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 16px;
}
.render-cell img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
}

/* ── LAUNCH MATRIX (matches booklet: Phase I/II/III × V1–V4) ── */
.launch-matrix {
  background: #000;
  padding: 0;
  overflow: hidden;
}
.launch-matrix__grid {
  display: grid;
  grid-template-columns: 44px repeat(3, 1fr);
  grid-template-rows: 36px repeat(4, 1fr);
  gap: 2px;
  background: #1a1a1a;
}
.launch-matrix__phase-label {
  background: #000;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
}
.launch-matrix__corner { background: #000; }
.launch-matrix__variant-label {
  background: #000;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}
.launch-matrix__cell {
  background: var(--void);
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1;
  overflow: hidden;
}
.launch-matrix__cell img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  padding: 10px;
  filter: invert(1);
  display: block;
}

/* ── LAUNCH FULL — single composed image, full-bleed ─────────── */
.launches-full {
  background: #000;
  margin-top: 40px;
}
.launches-full img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── CONSTRUCTION DETAIL DRAWINGS ───────────────────────────── */
.detail-wrap {
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  margin-bottom: 2px;
}
.detail-wrap img {
  width: 100%;
  height: auto;
  display: block;
  mix-blend-mode: multiply;
}
.detail-wrap .label {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  display: block;
}

/* ── COMIC GRID (5 images) ─────────────────────────────────────
   Each cell has an explicit aspect-ratio that matches the image
   so object-fit:cover fills without any cropping.
   ─────────────────────────────────────────────────────────────── */
.comic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  background: #ccc8c2;
}
.comic-cell {
  overflow: hidden;
  background: #f0ece6;
}
.comic-cell img {
  width: 100%;
  height: auto;
  display: block;
}
/* Full-width cell spanning both columns */
.comic-cell--full { grid-column: 1 / -1; }
/* Dark bg for dark-bg images */
.comic-cell--dark { background: var(--void); }
/* White bg for white-bg line drawings */
.comic-cell--line { background: #fff; }

/* ── CROP TABLE (full image) ───────────────────────────────── */
.crop-table-wrap {
  border: 1px solid var(--border);
  overflow: hidden;
  background: #fff;
}
.crop-table-wrap img {
  width: 100%; height: auto; display: block;
}

/* Two-col text + image split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.split--wide { grid-template-columns: 2fr 3fr; }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table td {
  padding: 12px 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem; vertical-align: top;
}
.data-table td:first-child {
  color: var(--muted); width: 45%;
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.06em; padding-right: 20px;
}

/* Diagram boxes — consistent height so two in a row align */
.diagram-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.diagram-box {
  border: 1px solid var(--border); overflow: hidden; background: #fff;
  display: flex; flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.diagram-box:hover {
  border-color: #aaa;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.diagram-box img {
  width: 100%; height: 260px; object-fit: contain; object-position: center; display: block;
}
.diagram-box__cap {
  padding: 10px 14px; border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.57rem; letter-spacing: 0.08em;
  color: var(--muted); margin-top: auto;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(0,0,0,0.01) 100%);
}

/* =============================================================
   PDF VIEWER — responsive embed with mobile fallback
   ============================================================= */
.pdf-viewer { width: 100%; max-width: 100%; }

/* Desktop: inline iframe */
.pdf-viewer__desktop { border: 1px solid #1e1e1e; overflow: hidden; }
.pdf-viewer__desktop iframe {
  display: block; width: 100%;
  height: 80vh; min-height: 480px;
  border: none;
  -webkit-overflow-scrolling: touch;
}
.pdf-viewer__mobile { display: none; }

/* Mobile card */
.pdf-mobile-card {
  border: 1px solid var(--border);
  padding: 48px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  text-align: center;
}
.pdf-mobile-card__icon {
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--border); padding: 10px 18px;
}
.pdf-mobile-card__title {
  font-size: 1rem; font-weight: 300; color: var(--black);
  max-width: 28ch; line-height: 1.5; margin: 0;
}
.pdf-open-btn {
  display: inline-block;
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--black);
  border: 1px solid var(--black); padding: 14px 36px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.pdf-open-btn:hover { background: var(--black); color: var(--bg); }

/* Download row — always visible */
.pdf-download {
  margin-top: 16px; display: flex; justify-content: flex-end;
}
.pdf-download-btn {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid currentColor; padding-bottom: 3px;
  transition: color 0.3s;
}
.pdf-download-btn:hover { color: var(--black); }

/* Void overrides — dark background context */
.void .pdf-viewer__desktop { border-color: #1e1e1e; }
.void .pdf-mobile-card { border-color: #1e1e1e; background: rgba(255,255,255,0.02); }
.void .pdf-mobile-card__icon { border-color: #333; color: var(--vmuted); }
.void .pdf-mobile-card__title { color: var(--vtext); }
.void .pdf-open-btn { color: var(--vtext); border-color: rgba(216,212,204,0.4); }
.void .pdf-open-btn:hover { background: var(--vtext); color: var(--void); }
.void .pdf-download-btn { color: var(--vmuted); }
.void .pdf-download-btn:hover { color: var(--vtext); }

/* Booklet iframe — legacy alias */
.booklet { border: 1px solid #1e1e1e; overflow: hidden; }
.booklet iframe {
  display: block; width: 100%;
  height: 80vh; min-height: 480px;
  border: none;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 700px) {
  .pdf-viewer__desktop { display: none; }
  .pdf-viewer__mobile { display: block; }
  .pdf-download { justify-content: center; margin-top: 20px; }
  /* legacy booklet fallback on mobile */
  .booklet iframe { height: 60vh; min-height: 320px; }
}

/* =============================================================
   ABOUT PAGE
   ============================================================= */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 80px; align-items: start; }
.about-sidebar { position: sticky; top: calc(var(--nav) + 28px); }

/* Headshot */
.about-photo {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--border);
}
.about-photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  display: block;
}

/* CV download link */
.cv-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  padding-bottom: 3px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.cv-link:hover {
  opacity: 0.7;
  transform: translateX(2px);
  border-bottom-color: var(--black);
}
.cv-link__arrow { font-size: 0.8rem; display: inline-block; transition: transform 0.3s; }
.cv-link:hover .cv-link__arrow { transform: translateY(-2px); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.08em;
  text-transform: uppercase; border: 1px solid var(--border); padding: 5px 10px; color: var(--muted);
}
.timeline-item { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 28px 0; border-top: 1px solid var(--border); }
.timeline-item__year { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.06em; color: var(--muted); padding-top: 4px; }
.timeline-item h4 { margin-bottom: 6px; }

/* =============================================================
   CONTACT PAGE
   ============================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0; border-top: 1px solid var(--border);
  font-size: 1.4rem; font-weight: 300;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 72px; /* comfortable touch target */
  position: relative;
}
.contact-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 1px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.contact-link:hover::after { transform: scaleX(1); }
.contact-link:hover { padding-left: 10px; color: var(--muted); }
.contact-link__arrow { color: var(--muted); }

/* =============================================================
   RESPONSIVE — TABLET  ≤ 900px
   ============================================================= */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-sidebar { position: static; }
  .about-photo { aspect-ratio: 4/3; max-width: 320px; }
  .contact-grid  { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid > div:last-child { padding-top: 0 !important; }
}

/* =============================================================
   RESPONSIVE — MOBILE  ≤ 700px
   ============================================================= */
@media (max-width: 700px) {
  :root { --pad: 20px; }

  .nav__links  { display: none; }
  .nav__burger { display: flex; }

  /* Hero */
  .hero__logo  { width: 56px; }
  .hero__rule  { height: 32px; }

  /* Landing card */
  .card { grid-template-columns: 1fr; width: calc(100% - 40px); }
  .card--research .card__body { padding: 32px 28px; }
  .research-label { padding: 64px var(--pad) 32px; }
  .card__img   { aspect-ratio: 16/9; }
  .card__body  { padding: 32px 28px; }
  .work-label  { padding: 64px var(--pad) 32px; }

  /* Project hero */
  .project-hero__title    { font-size: clamp(2.4rem, 12vw, 4rem); }
  .project-hero__eyebrow  { display: none; }

  /* Sections */
  .section { padding: 64px 0; }
  .void    { padding: 56px 0; }

  /* Stats — 2 columns */
  .stats { grid-template-columns: repeat(2, 1fr); }

  /* Split stacks */
  .split, .split--wide { grid-template-columns: 1fr; gap: 36px; }

  /* Image grids stack */
  .img-pair { grid-template-columns: 1fr; }

  /* Plans — shorter on mobile */
  .plan-cell img { height: 220px; }
  .plan-full img { height: 260px; }
  .plan-full     { padding: 24px 16px; }

  /* Renders stay square but smaller */
  .render-cell   { padding: 12px; }

  /* Diagrams stack */
  .diagram-row   { grid-template-columns: 1fr; gap: 16px; }
  .diagram-box img { height: 200px; }

  /* Launch matrix — scale down labels */
  .launch-matrix__grid { grid-template-columns: 32px repeat(3, 1fr); grid-template-rows: 28px repeat(4, 1fr); }
  .launch-matrix__phase-label { font-size: 0.5rem; }
  .launch-matrix__variant-label { font-size: 0.5rem; }
  .launch-matrix__cell img { padding: 6px; }

  /* Comic grid — stack on mobile */
  .comic-grid { grid-template-columns: 1fr; }
  .comic-cell--full { grid-column: 1; }
  .comic-cell img      { height: 240px; object-fit: cover; }
  .comic-cell--full img { height: 280px; object-fit: cover; }

  /* Booklet */
  .booklet iframe { height: 60vh; min-height: 360px; }

  /* Floating illustration — don't stretch */
  .split .drawing { max-width: 280px; margin: 0 auto; }

  /* Typography adjustments */
  h1 { font-size: clamp(2rem, 10vw, 3rem); }
  h2 { font-size: clamp(1.5rem, 6vw, 2.2rem); }

  /* Tables readable on small screens */
  .data-table td { font-size: 0.82rem; }
  .data-table td:first-child { font-size: 0.58rem; width: 40%; }

  /* Sec head spacing */
  .sec-head { margin-bottom: 32px; flex-wrap: wrap; gap: 6px 16px; }
}

/* =============================================================
   RESPONSIVE — SMALL  ≤ 420px
   ============================================================= */
@media (max-width: 420px) {
  .stats     { grid-template-columns: repeat(2, 1fr); }
  .stat__val { font-size: 1.5rem; }
  .plan-cell img { height: 180px; }
  .launch-matrix__grid { gap: 1px; }
  .comic-cell img      { height: 200px; object-fit: cover; }
  .comic-cell--full img { height: 220px; object-fit: cover; }
}