/* ============================================================
   tomrankin.net — the definitive unified stylesheet

   Sources blended:
     v1: paper grain, parchment palette, 12-col photo grids
     v2: 3D parallax polaroid, typewriter, Ken Burns, heritage
     v4: dark mode, accessibility, lightbox, CSS variables
     v5: identity cards, philosophy

   Philosophy: hand-built, no frameworks, no dependencies.
   ============================================================ */

/* ── Design Tokens ── */
:root {
  --bg:          #f2ead4;
  --bg-inner:    #f7f1dc;
  --bg-deep:     #e6dcbe;
  --fg:          #1a1408;
  --fg-muted:    #5a4c30;
  --fg-dim:      #8a7a55;
  --fg-faint:    #b0a484;
  --accent:      #8b6a2f;
  --accent-glow: rgba(139, 106, 47, 0.15);
  --accent-soft: rgba(139, 106, 47, 0.10);
  --blood:       #8b2a1f;
  --green:       #2d7a3a;
  --rule:        rgba(26, 20, 8, 0.18);
  --rule-soft:   rgba(26, 20, 8, 0.08);
  --shadow:      rgba(26, 20, 8, 0.45);
  --focus:       #2a5ba1;
  --serif:       "Iowan Old Style", Palatino, "Hoefler Text", Georgia, serif;
  --sans:        system-ui, -apple-system, "SF Pro Text", "Segoe UI", sans-serif;
  --mono:        ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure:     42rem;
  --wide:        64rem;
  --gap:         1rem;
  --gap-lg:      2.5rem;
  --section-gap: 6rem;
  --radius:      4px;
  --transition:  180ms cubic-bezier(0.2, 0.9, 0.3, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #16140f;
    --bg-inner:    #201d16;
    --bg-deep:     #2a2518;
    --fg:          #ece8db;
    --fg-muted:    #bfb8a6;
    --fg-dim:      #8a7a55;
    --fg-faint:    #5a5040;
    --accent:      #e6b87a;
    --accent-glow: rgba(230, 184, 122, 0.12);
    --accent-soft: rgba(230, 184, 122, 0.08);
    --blood:       #d4564a;
    --green:       #5cb870;
    --rule:        rgba(236, 232, 219, 0.15);
    --rule-soft:   rgba(236, 232, 219, 0.06);
    --shadow:      rgba(0, 0, 0, 0.5);
    --focus:       #8fb7ea;
    color-scheme: dark;
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--serif);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  /* procedural paper grain (v1 technique) */
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0.1, 0 0 0 0 0.08, 0 0 0 0 0.03, 0 0 0 0.15 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>"),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='640' height='640'><filter id='b'><feTurbulence type='fractalNoise' baseFrequency='0.012 0.014' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0.08, 0 0 0 0 0.06, 0 0 0 0 0.02, 0 0 0 0.12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23b)'/></svg>"),
    radial-gradient(ellipse 100% 60% at 50% 0%, var(--accent-glow), transparent 60%),
    radial-gradient(ellipse 80% 60% at 50% 100%, var(--rule-soft), transparent 60%);
  background-repeat: repeat, repeat, no-repeat, no-repeat;
  background-size: 240px 240px, 640px 640px, 100% 100%, 100% 100%;
}

/* vignette scrim */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 999;
  background: radial-gradient(ellipse 120% 90% at 50% 50%, transparent 40%, rgba(40,28,8,0.12) 100%);
  mix-blend-mode: multiply;
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
}
h1 {
  font-size: clamp(2.6rem, 8vw, 5rem);
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin-block: 0 0.8rem;
}
h3 { font-size: 1.15rem; font-style: italic; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-thickness var(--transition);
}
a:hover { text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Layout ── */
main {
  position: relative;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.section {
  margin-block: var(--section-gap);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.section.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* no-js fallback */
.no-js .section { opacity: 1; transform: none; }

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  margin-bottom: 0.6rem;
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  transition: transform 700ms ease;
  transform: scaleX(0);
  transform-origin: left;
}
.section.revealed .section-label::after {
  transform: scaleX(1);
}

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius);
  z-index: 9999;
  font-family: var(--sans);
  font-size: 0.85rem;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }


/* ══════════════════════════════════════════════════
   HERO — 3D parallax polaroid (from v2)
   ══════════════════════════════════════════════════ */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-block: 2rem 3rem;
  gap: 2rem;
}

.parallax-stage {
  perspective: 900px;
  perspective-origin: 50% 50%;
  width: 320px;
  height: 320px;
}

.polaroid-3d {
  position: relative;
  width: 100%; height: 100%;
  padding: 14px 14px 44px;
  background: var(--bg-inner);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.7) inset,
    0 0 0 1px var(--rule),
    0 22px 44px -18px var(--shadow);
  transform-style: preserve-3d;
  transform: rotate(-1.2deg) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg));
  transition: transform var(--transition);
}

.polaroid-3d .inner {
  position: relative;
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  transform-style: preserve-3d;
}

.frame {
  position: absolute; inset: 0;
  opacity: 0;
  animation: frame-cycle 22000ms infinite;
  transform-style: preserve-3d;
}
.frame img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.frame .far {
  transform: translate3d(calc(var(--mx, 0) * -22px), calc(var(--my, 0) * -18px), -40px) scale(1.12);
  transition: transform 240ms cubic-bezier(0.2, 0.9, 0.3, 1);
}
.frame .near {
  transform: translate3d(calc(var(--mx, 0) * 14px), calc(var(--my, 0) * 11px), 40px) scale(1.02);
  transition: transform 240ms cubic-bezier(0.2, 0.9, 0.3, 1);
  filter: drop-shadow(0 4px 12px rgba(26, 20, 8, 0.25));
}

/* 11-frame cycle */
.frame:nth-child(1)  { animation-delay:      0ms; }
.frame:nth-child(2)  { animation-delay:   2000ms; }
.frame:nth-child(3)  { animation-delay:   4000ms; }
.frame:nth-child(4)  { animation-delay:   6000ms; }
.frame:nth-child(5)  { animation-delay:   8000ms; }
.frame:nth-child(6)  { animation-delay:  10000ms; }
.frame:nth-child(7)  { animation-delay:  12000ms; }
.frame:nth-child(8)  { animation-delay:  14000ms; }
.frame:nth-child(9)  { animation-delay:  16000ms; }
.frame:nth-child(10) { animation-delay:  18000ms; }
.frame:nth-child(11) { animation-delay:  20000ms; }

@keyframes frame-cycle {
  0%   { opacity: 0; }
  1%   { opacity: 0; }
  3%   { opacity: 1; }
  8%   { opacity: 1; }
  10%  { opacity: 0; }
  100% { opacity: 0; }
}

/* fallback for single hero photo (when parallax not available) */
.hero-photo-fallback {
  display: none;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  margin-bottom: 0.5rem;
}

.accent { color: var(--accent); font-style: italic; }

/* Typewriter cursor */
#hero-rotate {
  color: var(--accent);
  font-style: italic;
  border-right: 2.5px solid var(--accent);
  padding-right: 3px;
  display: inline-block;
}
@keyframes cursor-blink {
  0%, 50%   { border-color: var(--accent); }
  51%, 100% { border-color: transparent; }
}
#hero-rotate { animation: cursor-blink 1s step-end infinite; }

.lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 32em;
  margin: 0 auto;
}


/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: 1.5px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::after { opacity: 0.06; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--fg);
  border-color: var(--fg);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -4px var(--shadow);
}

.btn-ghost {
  color: var(--fg-muted);
  border-color: var(--rule);
}
.btn-ghost:hover {
  color: var(--fg);
  border-color: var(--fg-dim);
  transform: translateY(-1px);
}

.btn-lg { font-size: 0.85rem; padding: 0.95rem 2.2rem; }
.cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; justify-content: center; }


/* ══════════════════════════════════════════════════
   WHAT I DO — Two columns
   ══════════════════════════════════════════════════ */

.columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: left;
}
@media (min-width: 640px) {
  .columns { grid-template-columns: 1fr 1fr; gap: 3.5rem; }
}


/* ══════════════════════════════════════════════════
   PHILOSOPHY — Animated cards with SVG visualizers
   ══════════════════════════════════════════════════ */

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 600px)  { .philosophy-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px)  { .philosophy-grid { grid-template-columns: 1fr 1fr 1fr; } }

.philosophy-card {
  padding: 1.5rem 1.5rem 1.2rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--bg-inner);
  position: relative;
  overflow: hidden;
  transition: border-color 300ms ease, box-shadow 300ms ease, transform 300ms ease;
}
.philosophy-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms ease;
}
.philosophy-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -8px var(--accent-glow), 0 2px 8px -2px var(--shadow);
}
.philosophy-card:hover::before { transform: scaleX(1); }

.philosophy-card h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.philosophy-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.55;
}
.philosophy-card .viz {
  display: block;
  width: 100%;
  height: 48px;
  margin-bottom: 0.8rem;
  opacity: 0.7;
  transition: opacity 300ms;
}
.philosophy-card:hover .viz { opacity: 1; }
.gallery-intro {
  font-size: 1.02rem;
  color: var(--fg-muted);
  max-width: 38rem;
}


/* ══════════════════════════════════════════════════
   HERITAGE — Dad photo (from v2)
   ══════════════════════════════════════════════════ */

.heritage {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.heritage h2 em { color: var(--accent); font-style: italic; }
.heritage-intro {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 44em;
  margin: 0 auto 1.5rem;
}
.heritage-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-deep);
  padding: 14px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.7) inset,
    0 0 0 1px var(--rule),
    0 22px 44px -18px var(--shadow);
  transform: rotate(0.6deg);
  transition: transform 400ms ease;
}
.heritage-frame:hover {
  transform: rotate(0deg) scale(1.005);
}
.heritage-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.heritage-caption {
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}


/* ══════════════════════════════════════════════════
   ART GRID — 4-column hardware photos (from v2)
   ══════════════════════════════════════════════════ */

.art-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 720px;
  margin: 1.5rem auto 0;
}
.art-cell {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-deep);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--rule),
    0 8px 20px -10px var(--shadow);
  transition: transform 400ms ease, box-shadow 400ms ease;
}
.art-cell:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow:
    0 0 0 1px var(--accent),
    0 16px 32px -12px var(--shadow);
  z-index: 2;
}
.art-cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease, filter 400ms ease;
  filter: saturate(0.9) contrast(1.02);
}
.art-cell:hover img {
  transform: scale(1.08);
  filter: saturate(1.1) contrast(1.05);
}


/* ══════════════════════════════════════════════════
   KEN BURNS — Saguaro cinemascope (from v2)
   ══════════════════════════════════════════════════ */

.kenburns-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-deep);
  box-shadow:
    0 0 0 1px var(--rule),
    0 22px 44px -18px var(--shadow);
}
.kenburns-viewport img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.0) translate(0, 0);
  animation: kb-cycle 54000ms infinite, kb-pan 9000ms infinite ease-in-out;
}
.kenburns-viewport img:nth-child(1) { animation-delay:     0ms,     0ms; --kb-end: translate(-4%, -2%) scale(1.18); }
.kenburns-viewport img:nth-child(2) { animation-delay:  9000ms,  9000ms; --kb-end: translate(3%, -3%) scale(1.16); }
.kenburns-viewport img:nth-child(3) { animation-delay: 18000ms, 18000ms; --kb-end: translate(-3%, 2%) scale(1.20); }
.kenburns-viewport img:nth-child(4) { animation-delay: 27000ms, 27000ms; --kb-end: translate(4%, 3%) scale(1.15); }
.kenburns-viewport img:nth-child(5) { animation-delay: 36000ms, 36000ms; --kb-end: translate(-5%, -3%) scale(1.22); }
.kenburns-viewport img:nth-child(6) { animation-delay: 45000ms, 45000ms; --kb-end: translate(2%, -4%) scale(1.17); }

@keyframes kb-cycle {
  0% { opacity: 0; } 1% { opacity: 1; } 17% { opacity: 1; } 19% { opacity: 0; } 100% { opacity: 0; }
}
@keyframes kb-pan {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: var(--kb-end, scale(1.15)); }
}


/* ══════════════════════════════════════════════════
   DRONE — Sovereign flight sim cinemascope (from v2)
   ══════════════════════════════════════════════════ */

.drone-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: #060812;
  box-shadow:
    0 0 0 1px rgba(26, 20, 8, 0.25),
    0 22px 44px -18px rgba(6, 8, 18, 0.85),
    inset 0 0 90px rgba(0, 0, 0, 0.55);
}
.drone-viewport::before,
.drone-viewport::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 8%;
  pointer-events: none;
  z-index: 3;
}
.drone-viewport::before { top: 0; background: linear-gradient(to bottom, rgba(0,0,0,0.95), transparent); }
.drone-viewport::after  { bottom: 0; background: linear-gradient(to top, rgba(0,0,0,0.95), transparent); }
.drone-viewport img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  animation: drone-cycle 32000ms infinite, drone-pan 8000ms infinite ease-in-out;
}
.drone-viewport img:nth-child(1) { animation-delay:     0ms,     0ms; --kb-end: scale(1.18) translate(-2%, -1%); }
.drone-viewport img:nth-child(2) { animation-delay:  8000ms,  8000ms; --kb-end: scale(1.16) translate(2%, -2%); }
.drone-viewport img:nth-child(3) { animation-delay: 16000ms, 16000ms; --kb-end: scale(1.20) translate(-3%, 1%); }
.drone-viewport img:nth-child(4) { animation-delay: 24000ms, 24000ms; --kb-end: scale(1.15) translate(3%, 2%); }

@keyframes drone-cycle {
  0% { opacity: 0; } 2% { opacity: 1; } 23% { opacity: 1; } 25% { opacity: 0; } 100% { opacity: 0; }
}
@keyframes drone-pan {
  0%   { transform: scale(1.05) translate(0, 0); }
  100% { transform: var(--kb-end, scale(1.15)); }
}

.drone-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.drone-readout span {
  padding: 8px 0;
  border-top: 1px solid var(--rule-soft);
  transition: color 200ms;
}
.drone-readout span:hover { color: var(--accent); }
.drone-readout span strong {
  display: block;
  color: var(--fg);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: none;
  margin-top: 2px;
}


/* ══════════════════════════════════════════════════
   PHOTO GRID — 12-column gallery (from v1)
   ══════════════════════════════════════════════════ */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 1.5rem;
}
.pg-cell {
  grid-column: span 4;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 3px;
  cursor: zoom-in;
  position: relative;
  box-shadow: 0 0 0 1px var(--rule);
  transition: transform 400ms ease, box-shadow 400ms ease;
}
.pg-cell:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 28px -8px var(--shadow);
  z-index: 2;
}
.pg-cell.large  { grid-column: span 6; aspect-ratio: 4/3; }
.pg-cell.medium { grid-column: span 6; aspect-ratio: 1; }
.pg-cell.wide   { grid-column: span 8; aspect-ratio: 16/10; }
.pg-cell.tall   { grid-column: span 4; aspect-ratio: 3/4; }

.pg-cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: sepia(0.06) contrast(1.03) saturate(0.92);
  transition: transform 500ms ease, filter 400ms ease;
}
.pg-cell:hover img {
  transform: scale(1.06);
  filter: sepia(0) contrast(1.08) saturate(1.05);
}

/* photo grain overlay */
.pg-cell::after {
  content: "";
  position: absolute; inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='g'><feTurbulence baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0, 0 0 0 0 0, 0 0 0 0 0, 0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
  pointer-events: none;
  mix-blend-mode: multiply;
}

@media (max-width: 800px) {
  .photo-grid { grid-template-columns: repeat(6, 1fr); gap: 10px; }
  .pg-cell, .pg-cell.large, .pg-cell.medium, .pg-cell.wide, .pg-cell.tall {
    grid-column: span 3;
    aspect-ratio: 1;
  }
}


/* ══════════════════════════════════════════════════
   TRACK RECORD
   ══════════════════════════════════════════════════ */

.track-record ul { list-style: none; padding: 0; }
.track-record li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 0.95rem;
  position: relative;
  padding-left: 1.2rem;
  transition: padding-left 300ms ease;
}
.track-record li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: width 300ms ease, height 300ms ease, border-radius 300ms ease;
}
.track-record li:hover {
  padding-left: 1.6rem;
}
.track-record li:hover::before {
  width: 6px; height: 6px;
}
.track-record li:last-child { border-bottom: none; }
.track-record li strong { color: var(--fg); font-weight: 600; }


/* ══════════════════════════════════════════════════
   BLOG PREVIEW CARDS
   ══════════════════════════════════════════════════ */

.blog-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
@media (min-width: 640px) { .blog-preview { grid-template-columns: 1fr 1fr; } }

.post-card {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--bg-inner);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: border-color 300ms ease, box-shadow 300ms ease, transform 300ms ease;
}
.post-card::before {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms ease;
}
.post-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -8px var(--accent-glow);
  text-decoration: none;
}
.post-card:hover::before { transform: scaleX(1); }

.post-card .post-date {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.post-card h3 {
  font-style: normal;
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--serif);
  margin: 0.3rem 0 0.5rem;
  color: var(--fg);
  transition: color 200ms;
}
.post-card:hover h3 { color: var(--accent); }
.post-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
  margin: 0;
}


/* ══════════════════════════════════════════════════
   QUOTE
   ══════════════════════════════════════════════════ */

.quote-section {
  text-align: center;
  padding-block: 3rem;
  position: relative;
}
.quote-section::before {
  content: "\201C";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  font-size: 8rem;
  font-family: var(--serif);
  color: var(--accent-soft);
  line-height: 1;
  pointer-events: none;
}
.quote-section blockquote p {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-style: italic;
  color: var(--accent);
  line-height: 1.2;
  margin: 0;
}
.quote-section cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--fg-dim);
  font-style: normal;
}
.quote-section .aside {
  max-width: 32rem;
  margin: 1.5rem auto 0;
  font-size: 0.88rem;
  color: var(--fg-dim);
}


/* ══════════════════════════════════════════════════
   CTA FOOTER
   ══════════════════════════════════════════════════ */

.cta-footer {
  text-align: center;
  padding-block: 3rem;
}
.cta-footer h2 { margin-bottom: 1.5rem; }
.dim { color: var(--fg-dim); font-size: 0.85rem; margin-top: 1rem; }


/* ── Footer ── */
footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  font-size: 0.78rem;
  color: var(--fg-dim);
  border-top: 1px solid var(--rule-soft);
}
footer p + p { margin-top: 0.3rem; font-size: 0.72rem; }


/* ══════════════════════════════════════════════════
   LIGHTBOX (from v4)
   ══════════════════════════════════════════════════ */

.lightbox-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 2rem;
  cursor: zoom-out;
  animation: fade-in 200ms ease;
}
.lightbox-image {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  animation: scale-in 300ms cubic-bezier(0.2, 0.9, 0.3, 1);
}
.lightbox-close {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  background: none; border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10001;
  opacity: 0.7;
  transition: opacity 150ms, transform 150ms;
}
.lightbox-close:hover { opacity: 1; transform: scale(1.15); }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes scale-in { from { transform: scale(0.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }


/* ══════════════════════════════════════════════════
   BLOG PAGES
   ══════════════════════════════════════════════════ */

.blog-header {
  max-width: var(--measure);
  margin: 2rem auto 1.5rem;
  padding: 0 1.5rem;
}
.blog-header nav a {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 200ms;
}
.blog-header nav a:hover { color: var(--fg); }

.post-content {
  max-width: var(--measure);
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}
.post-content h1 { margin-bottom: 0.5rem; }
.post-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
.post-content p { margin-bottom: 1.3rem; }
.post-content svg { display: block; margin: 2rem auto; max-width: 100%; }
.post-nav {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--sans);
  font-size: 0.85rem;
  gap: 1rem;
}
.post-nav a { transition: color 200ms; }
.post-nav a:hover { color: var(--fg); }

.blog-index {
  max-width: var(--measure);
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}
.blog-index h1 { margin-bottom: 2rem; }
.post-entry {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule-soft);
  transition: padding-left 300ms ease;
}
.post-entry:hover { padding-left: 0.5rem; }
.post-entry:first-child { padding-top: 0; }
.post-entry h2 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.post-entry h2 a {
  color: var(--fg);
  text-decoration: none;
  transition: color 200ms;
}
.post-entry h2 a:hover { color: var(--accent); }
.post-entry .post-date {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.post-excerpt {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-top: 0.4rem;
}


/* ══════════════════════════════════════════════════
   iOS MEMORY DEFENSE (from v2)
   ══════════════════════════════════════════════════ */

.heritage,
.art-section,
.saguaro-stage,
.drone-stage,
.photo-grid-section {
  content-visibility: auto;
  contain-intrinsic-size: 1px 800px;
}

@media (hover: none), (pointer: coarse) {
  .parallax-stage { perspective: none; }
  .polaroid-3d { transform-style: flat; transform: rotate(-1.2deg); }
  .polaroid-3d .inner { transform-style: flat; }
  .frame { animation: none; opacity: 0; transform-style: flat; }
  .frame:first-child { opacity: 1; }
  .frame:not(:first-child) { display: none; }
  .frame .near, .frame .far { transform: none !important; }
}


/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */

@media (max-width: 640px) {
  main { padding: 1.5rem 1rem; }
  .parallax-stage { width: 260px; height: 260px; }
  .art-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .drone-readout { font-size: 0.55rem; }
  .cta { flex-direction: column; align-items: center; }
  :root { --section-gap: 4rem; }
}


/* ── Motion safety ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .section { opacity: 1; transform: none; }
  .section-label::after { transform: scaleX(1); }
  .kenburns-viewport img, .drone-viewport img { animation: none; }
  .kenburns-viewport img:first-child, .drone-viewport img:first-child { opacity: 1; transform: scale(1); }
  .frame { animation: none; opacity: 0; }
  .frame:first-child { opacity: 1; }
}

/* ── Print ── */
@media print {
  body::before { display: none; }
  body { background: white; color: black; font-size: 12pt; }
  .hero-photo img, .pg-cell img { filter: none; }
  .parallax-stage { display: none; }
  .hero-photo-fallback { display: block; }
  .skip-link, .lightbox-overlay { display: none; }
  .section { opacity: 1; transform: none; break-inside: avoid; }
}