/* ============================================================
   NATCHAI.COM — Dual-Mode Portfolio
   css/style.css
   ============================================================ */

/* ── DAY DEFAULTS ── */
:root {
  --bg:    #f0ede8; --bg2:   #e8e4de; --bg3:   #dedad3;
  --tx:    #1a1a1a; --mu:    #8a8070; --dm:    #c0bab0;
  --a1:    #1a2a3a; --a2:    #c85a20;
  --ln:    rgba(26,42,58,0.12); --ln2:  rgba(26,42,58,0.06);
  --grid:  rgba(26,42,58,0.04); --grid2: rgba(26,42,58,0.08);
  --card:  #e8e4de; --card2: #e0dbd3; --title: #0a0a0a;
}

/* ── NIGHT OVERRIDES ── */
body.night {
  --bg:    #020508; --bg2:   #050c12; --bg3:   #091520;
  --tx:    #a0f0d8; --mu:    #1a5a42; --dm:    #0a2a1e;
  --a1:    #00ff88; --a2:    #00c8ff;
  --ln:    rgba(0,255,136,0.14); --ln2:  rgba(0,200,255,0.06);
  --grid:  rgba(0,255,136,0.025); --grid2: rgba(0,200,255,0.055);
  --card:  #040e18; --card2: #071522; --title: #ffffff;
}

/* ── TRANSITIONS ── */
*, *::before, *::after {
  box-sizing: border-box; margin: 0; padding: 0;
  transition: background-color 2.5s ease, color 2s ease, border-color 2s ease;
}
canvas, .bg-grid, .bg-grid2, .gits-scan, .bg-scanlines,
.tc1, .tc2, .slide, .slide-img, .kb-img { transition: none !important; }

html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--tx);
  font-family: 'JetBrains Mono', monospace; font-weight: 300;
  overflow-x: hidden; min-height: 100vh;
}

/* ── BACKGROUNDS ── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}
.bg-grid2 {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid2) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid2) 1px, transparent 1px);
  background-size: 128px 128px;
}
#rain-canvas {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0; transition: opacity 3s ease !important;
}
body.night #rain-canvas { opacity: 1; }

.gits-scan {
  position: fixed; left: 0; right: 0; z-index: 2; height: 2px;
  pointer-events: none; top: -4px; opacity: 0;
  background: linear-gradient(to right,
    transparent, rgba(0,200,255,.5), rgba(0,200,255,.9),
    rgba(0,200,255,.5), transparent);
}
body.night .gits-scan { opacity: 1; animation: scanDown 8s linear infinite; }
@keyframes scanDown {
  0%   { top: -2px; opacity: 0; }
  5%   { opacity: 0.85; }
  95%  { opacity: 0.2; }
  100% { top: 100vh; opacity: 0; }
}
.bg-scanlines {
  position: fixed; inset: 0; z-index: 2; pointer-events: none; opacity: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px,
    rgba(0,0,0,.08) 3px, rgba(0,0,0,.08) 4px);
  transition: opacity 2s ease !important;
}
body.night .bg-scanlines { opacity: 1; }

/* ── LAYOUT ── */
.wrap { position: relative; z-index: 10; max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* ── STATUS BAR ── */
.statusbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg); border-bottom: 1px solid var(--ln);
  padding: .5rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .58rem; letter-spacing: .18em; color: var(--mu);
}
.status-dot { color: var(--a1); transition: color 2s !important; }
.status-mode {
  padding: .12rem .55rem; border: 1px solid var(--ln);
  font-size: .48rem; letter-spacing: .2em; color: var(--a1);
  transition: color 2s ease, border-color 2s ease !important;
}

/* ── TOGGLE BUTTON — round dot ── */
.toggle-btn {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
  width: 18px; height: 18px; border-radius: 50%;
  background: #0d0d0d;          /* black in day mode  */
  border: none; outline: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  transition: background 2.5s ease, transform .2s ease, box-shadow .2s ease !important;
}
body.night .toggle-btn {
  background: #f0ede8;          /* off-white in night mode */
  box-shadow: 0 2px 12px rgba(240,237,232,.2);
}
.toggle-btn:hover {
  transform: scale(1.18);
  box-shadow: 0 4px 14px rgba(0,0,0,.35);
}
body.night .toggle-btn:hover {
  box-shadow: 0 4px 14px rgba(240,237,232,.35);
}

/* ── HEADER ── */
header {
  position: relative; z-index: 10;
  padding: 4rem 0 3rem; border-bottom: 1px solid var(--ln);
  overflow: hidden;
}
.hero-ghost {
  position: absolute; left: 1.5rem; top: 1rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: min(26vw, 300px); font-weight: 700; line-height: 1;
  pointer-events: none; user-select: none; z-index: 0;
  color: var(--tx); opacity: .02;
}
.header-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem;
}
.ref-tag { font-size: .56rem; letter-spacing: .35em; color: var(--mu); text-transform: uppercase; margin-bottom: .75rem; }
.ref-tag span { color: var(--a1); transition: color 2s !important; }
.ghost-label {
  position: absolute; top: 0; right: 0;
  font-size: .5rem; letter-spacing: .25em; color: var(--a2);
  text-transform: uppercase; opacity: 0;
  transition: opacity 2s ease !important;
}
body.night .ghost-label { opacity: .6; }
.main-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(4rem, 10vw, 8rem); font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase; line-height: .88;
  color: var(--title); position: relative;
  opacity: 0; animation: fadeUp .8s ease .3s forwards;
}
body.night .main-title::before,
body.night .main-title::after {
  content: attr(data-text); position: absolute; inset: 0;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: 1em; letter-spacing: .05em; text-transform: uppercase;
}
body.night .main-title::before {
  color: #00ff88;
  clip-path: polygon(0 0, 100% 0, 100% 32%, 0 32%);
  animation: gA 5s infinite step-end; left: -2px;
}
body.night .main-title::after {
  color: #00c8ff;
  clip-path: polygon(0 68%, 100% 68%, 100% 100%, 0 100%);
  animation: gB 5s infinite step-end; left: 2px;
}
@keyframes gA {
  0%,88%,100%{transform:translate(0);opacity:0}
  90%{transform:translate(-3px,-2px);opacity:.7}
  93%{transform:translate(2px,1px);opacity:.7}
  96%{opacity:0}
}
@keyframes gB {
  0%,88%,100%{transform:translate(0);opacity:0}
  91%{transform:translate(3px,2px);opacity:.7}
  94%{transform:translate(-2px,-1px);opacity:.7}
  97%{opacity:0}
}
.sub-row {
  display: flex; align-items: center; gap: 1rem; margin-top: 1rem;
  opacity: 0; animation: fadeUp .8s ease .5s forwards;
}
.sub-row span { font-size: .6rem; letter-spacing: .28em; color: var(--mu); text-transform: uppercase; }
.sub-row .sep { color: var(--a1); }
.id-tag {
  margin-top: 1.5rem; font-size: .5rem; letter-spacing: .3em;
  color: var(--dm); text-transform: uppercase;
  opacity: 0; animation: fadeUp .8s ease .7s forwards;
}
/* cross-target */
.target { width: 80px; height: 80px; position: relative; flex-shrink: 0; opacity: 0; animation: fadeIn .8s ease 1s forwards; }
.target::before, .target::after { content: ''; position: absolute; background: var(--a1); opacity: .4; }
.target::before { top: 50%; left: 0; right: 0; height: 1px; }
.target::after  { left: 50%; top: 0; bottom: 0; width: 1px; }
.tc1 { position: absolute; inset: 10px; border: 1px solid var(--ln); border-radius: 50%; animation: spin 20s linear infinite; transition: border-color 2s !important; }
.tc2 { position: absolute; inset: 26px; border: 1px solid var(--ln2); border-radius: 50%; animation: spin 30s linear infinite reverse; }
.tc-dot { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.tc-dot::after { content: ''; width: 4px; height: 4px; background: var(--a1); border-radius: 50%; transition: background 2s !important; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════
   HERO SLIDESHOW — DAY ONLY
   ══════════════════════════════════════ */
.hero-slideshow {
  position: relative; z-index: 10;
  height: 62vh; min-height: 420px;
  overflow: hidden;
  border-bottom: 1px solid var(--ln);
  opacity: 1;
  transition: opacity 1.5s ease !important;
}
body.night .hero-slideshow { opacity: 0; pointer-events: none; height: 0; min-height: 0; overflow: hidden; }

.slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.8s ease !important;
}
.slide.active { opacity: 1; }

.slide-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform-origin: center;
  animation: none;
}
.slide.active .slide-img { animation: kb1 8s ease-out forwards; }
.slide.active:nth-child(3n+1) .slide-img { animation-name: kb1; }
.slide.active:nth-child(3n+2) .slide-img { animation-name: kb2; }
.slide.active:nth-child(3n)   .slide-img { animation-name: kb3; }

@keyframes kb1 {
  0%   { transform: scale(1)    translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, -0.5%); }
}
@keyframes kb2 {
  0%   { transform: scale(1)    translate(0, 0); }
  100% { transform: scale(1.08) translate(1.5%, -0.5%); }
}
@keyframes kb3 {
  0%   { transform: scale(1.05) translate(0, 0); }
  100% { transform: scale(1)    translate(0, -1%); }
}

/* Dark overlay gradient on slide */
.slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0) 30%,
    rgba(0,0,0,0.65) 100%
  );
}

/* Slide annotation overlay */
.slide-overlay {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 10;
  padding: 2rem 2.5rem;
  display: flex; justify-content: space-between; align-items: flex-end;
}
.slide-meta {
  color: white;
}
.slide-ref {
  font-size: .52rem; letter-spacing: .35em; color: rgba(255,255,255,.55);
  text-transform: uppercase; margin-bottom: .35rem;
}
.slide-location {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; line-height: .9;
  color: white; text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.slide-sub {
  font-size: .6rem; letter-spacing: .25em; color: rgba(255,255,255,.7);
  text-transform: uppercase; margin-top: .4rem;
}
.slide-type {
  display: inline-block;
  font-size: .48rem; letter-spacing: .2em; text-transform: uppercase;
  padding: .18rem .6rem; margin-top: .5rem;
  border: 1px solid rgba(255,255,255,.35); color: rgba(255,255,255,.8);
}

/* Slide dots */
.slide-dots {
  display: flex; gap: .4rem; align-items: center;
}
.slide-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,.35); cursor: pointer;
  transition: background .3s, transform .3s;
}
.slide-dot.active { background: white; transform: scale(1.4); }

/* Progress bar */
.slide-progress {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: rgba(255,255,255,.15);
}
.slide-progress-bar {
  height: 100%; width: 0%; background: white;
  transition: width linear;
}

/* ══════════════════════════════════════
   NIGHT HERO — Cyberpunk block
   ══════════════════════════════════════ */
.night-hero {
  position: relative; z-index: 10;
  max-height: 0; opacity: 0; overflow: hidden; padding: 0; border-bottom: none;
  transition: max-height .5s ease, opacity 1.5s ease, padding .4s ease, border-color 2s ease !important;
}
body.night .night-hero {
  max-height: 600px; opacity: 1; overflow: visible;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ln);
}
.night-terminal {
  border: 1px solid var(--ln); border-left: 2px solid var(--a1);
  background: var(--card); padding: 1.25rem 1.5rem;
}
.night-terminal::before {
  content: '● ● ●'; display: block;
  font-size: .4rem; color: var(--dm); letter-spacing: .2em; margin-bottom: .75rem;
}
.nl { font-size: .62rem; letter-spacing: .08em; line-height: 1.85; color: var(--mu); }
.nl .cmd { color: var(--a1); }
.nl .val { color: #ffe600; }
.nl .ok  { color: #00ff88; }
.nl .err { color: #ff4444; }
.nl .cmt { color: var(--dm); }
.cb {
  display: inline-block; width: 7px; height: 12px;
  background: var(--a1); vertical-align: middle; margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ══════════════════════════════════════
   SPEC TABLE
   ══════════════════════════════════════ */
.spec-table {
  border: 1px solid var(--ln); border-top: 2px solid var(--ln);
  background: var(--card); margin: 2rem 0;
}
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .7rem 1.5rem; border-bottom: 1px solid var(--ln2);
  font-size: .58rem; letter-spacing: .1em;
}
.spec-row:last-child { border: none; }
.sk { color: var(--mu); text-transform: uppercase; letter-spacing: .2em; font-size: .5rem; }
.sv     { color: var(--tx); }
.sv.a1  { color: var(--a1); }
.sv.a2  { color: var(--a2); }
body.night .sv.a1 { text-shadow: 0 0 8px rgba(0,255,136,.4); }
body.night .sv.a2 { text-shadow: 0 0 8px rgba(0,200,255,.4); }

/* ══════════════════════════════════════
   SECTION LABELS
   ══════════════════════════════════════ */
.sec-label {
  display: flex; align-items: center; gap: .75rem;
  font-size: .52rem; letter-spacing: .35em; color: var(--a1);
  text-transform: uppercase; margin: 3rem 0 .75rem;
}
.sec-label .num {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border: 1px solid var(--ln);
  font-size: .46rem; color: var(--mu);
}
.sec-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--ln), transparent);
}

/* ══════════════════════════════════════
   PHOTO GRID — DAY ONLY
   ══════════════════════════════════════ */
.photo-section {
  opacity: 1; transition: opacity 1.5s ease !important;
}
body.night .photo-section {
  opacity: 0; pointer-events: none; height: 0; overflow: hidden;
}

/* Portfolio toggle button — mirrors .archive-toggle style */
.portfolio-toggle {
  all: unset;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; box-sizing: border-box;
  cursor: pointer;
  margin: 3rem 0 .75rem;
  font-size: .52rem; letter-spacing: .35em;
  text-transform: uppercase; color: var(--a1);
  user-select: none;
}
.portfolio-toggle::after {          /* replicate sec-label trailing line */
  content: ''; flex: 1; height: 1px; margin-left: .75rem;
  background: linear-gradient(to right, var(--ln), transparent);
}
.portfolio-toggle:hover { opacity: .75; }
.portfolio-toggle .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border: 1px solid var(--ln);
  font-size: .46rem; color: var(--mu); flex-shrink: 0; margin-right: .6em;
}
.portfolio-chevron {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem; color: var(--a1);
  transition: transform .35s ease;
  flex-shrink: 0; margin-left: .8em;
}
.photo-section.collapsed .portfolio-chevron { transform: rotate(-90deg); }

/* Collapsible photo grid wrapper */
.photo-grid-wrap {
  max-height: 99999px;
  overflow: hidden;
  transition: max-height .6s ease;
}
.photo-section.collapsed .photo-grid-wrap {
  max-height: 0;
}

/* ── STATS TOGGLE ── */
.stats-toggle {
  all: unset;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; box-sizing: border-box;
  cursor: pointer;
  margin: 2rem 0 .6rem;
  font-size: .52rem; letter-spacing: .35em;
  text-transform: uppercase; color: var(--a1);
  user-select: none;
}
.stats-toggle::after {
  content: ''; flex: 1; height: 1px; margin-left: .75rem;
  background: linear-gradient(to right, var(--ln), transparent);
}
.stats-toggle:hover { opacity: .75; }
.stats-toggle .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border: 1px solid var(--ln);
  font-size: .46rem; color: var(--mu); flex-shrink: 0; margin-right: .6em;
}
.stats-chevron {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem; color: var(--a1);
  transition: transform .35s ease;
  flex-shrink: 0; margin-left: .8em;
}
.stats-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height .45s ease;
  background: transparent;
}
/* night default = open (CSS-driven, no JS flash) */
body.night .stats-wrap {
  max-height: 300px;
}
/* day: user manually opens */
.stats-wrap.open {
  max-height: 300px;
}
/* night: user manually closes */
body.night .stats-wrap.closed {
  max-height: 0;
}
/* prevent elevation top-margin from creating a phantom gap */
.stats-wrap .elevation {
  margin-top: 0;
}
.stats-toggle[aria-expanded="true"] .stats-chevron { transform: rotate(180deg); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--dm);
}

.photo-card {
  position: relative; overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
  background: var(--bg3);
}
/* Make some cards wider */
.photo-card:nth-child(5n+1) { grid-column: span 2; }

.photo-card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .6s ease;
}
.photo-card:hover img { transform: scale(1.06); }

/* Architectural hover overlay */
.photo-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,15,20,0.88) 0%, rgba(10,15,20,0) 55%);
  opacity: 0; transition: opacity .4s ease;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1rem;
}
.photo-card:hover .photo-card-overlay { opacity: 1; }

/* Corner brackets on photo card */
.photo-card::before, .photo-card::after {
  content: ''; position: absolute; width: 12px; height: 12px; z-index: 5;
  opacity: 0; transition: opacity .3s ease, width .3s ease, height .3s ease;
}
.photo-card::before { top: 8px; left: 8px; border-top: 1px solid rgba(26,42,58,.6); border-left: 1px solid rgba(26,42,58,.6); }
.photo-card::after  { bottom: 8px; right: 8px; border-bottom: 1px solid rgba(26,42,58,.6); border-right: 1px solid rgba(26,42,58,.6); }
.photo-card:hover::before,
.photo-card:hover::after { opacity: 1; width: 18px; height: 18px; }

.pc-idx   { font-size: .44rem; letter-spacing: .2em; color: rgba(255,255,255,.4); margin-bottom: .2rem; }
.pc-loc   { font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: white; line-height: 1; }
.pc-sub   { font-size: .5rem; letter-spacing: .15em; color: rgba(255,255,255,.6); margin-top: .2rem; text-transform: uppercase; }
.pc-meta  { display: flex; align-items: center; gap: .5rem; margin-top: .4rem; }
.pc-type  { font-size: .42rem; letter-spacing: .18em; text-transform: uppercase; padding: .12rem .4rem; border: 1px solid rgba(255,255,255,.3); color: rgba(255,255,255,.7); }
.pc-year  { font-size: .42rem; letter-spacing: .15em; color: rgba(255,255,255,.5); }

/* ══════════════════════════════════════
   ARCHIVE LOG — NIGHT ONLY
   ══════════════════════════════════════ */
.archive-section {
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .5s ease, opacity 1.5s ease !important;
  pointer-events: none;
}
body.night .archive-section {
  max-height: 9999px; opacity: 1; overflow: visible; pointer-events: all;
}

/* Archive toggle button (replaces plain sec-label) */
.archive-toggle {
  all: unset;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; box-sizing: border-box;
  cursor: pointer;
  padding: 0;
  margin: 1.5rem 0 .75rem;
  font-size: .5rem; letter-spacing: .3em;
  text-transform: uppercase; color: var(--mu);
  user-select: none;
}
.archive-toggle:hover { color: var(--tx); }
.archive-toggle .num { color: var(--a1); margin-right: .6em; }
.archive-chevron {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem; color: var(--a2);
  transition: transform .35s ease;
  flex-shrink: 0; margin-left: .8em;
}
.archive-section.expanded .archive-chevron { transform: rotate(180deg); }

/* Collapsible log body */
.archive-log {
  border: 1px solid var(--ln); border-left: 2px solid var(--a2);
  background: var(--card); padding: 0 1.5rem;
  position: relative;
  max-height: 0; overflow: hidden;
  transition: max-height .55s ease, padding .35s ease;
}
body.night .archive-section.expanded .archive-log {
  max-height: 9999px;
  padding: 1.25rem 1.5rem;
}
.archive-log::before {
  content: '// VISUAL_ARCHIVE :: NIGHT_MODE // ACCESS_RESTRICTED';
  position: absolute; top: -.55rem; left: 1rem;
  font-size: .5rem; letter-spacing: .22em; color: var(--a2);
  background: var(--card); padding: 0 .5rem;
}
.al-line {
  font-size: .57rem; letter-spacing: .07em; line-height: 1.9; color: var(--mu);
}
.al-line .idx  { color: var(--dm); }
.al-line .enc  { color: var(--a2); }
.al-line .loc  { color: var(--tx); }
.al-line .coord{ color: var(--mu); }
.al-line .yr   { color: #ffe600; }
.al-sealed {
  font-size: .55rem; letter-spacing: .15em; color: var(--a2);
  margin-top: .75rem; padding-top: .75rem;
  border-top: 1px solid var(--ln2);
}

/* ══════════════════════════════════════
   STATS / ELEVATION
   ══════════════════════════════════════ */
.elevation {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1px; background: var(--dm); margin: 2rem 0;
  border-top: 2px solid var(--ln);
}
.ev { background: var(--card); padding: 1.25rem 1rem; text-align: center; position: relative; }
.ev::after {
  content: ''; position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%); width: 0; height: 1px;
  background: var(--a1); transition: width .4s ease;
}
.ev:hover::after { width: 50%; }
.ev-num { font-family: 'Barlow Condensed', sans-serif; font-size: 2.5rem; font-weight: 700; color: var(--a1); line-height: 1; }
body.night .ev-num { text-shadow: 0 0 14px rgba(0,255,136,.5); }
.ev-lbl { font-size: .48rem; letter-spacing: .2em; color: var(--mu); text-transform: uppercase; margin-top: .3rem; }

/* ══════════════════════════════════════
   CARDS (social / stock)
   ══════════════════════════════════════ */
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--dm); }
.grid2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--dm); }

.card {
  background: var(--card); padding: 1.5rem 1.25rem 1.25rem;
  text-decoration: none; color: inherit;
  display: block; position: relative; overflow: hidden;
}
.card:hover { background: var(--card2); }
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--a1); opacity: 0; transition: opacity .3s ease;
}
.card:hover::before { opacity: .7; }
.card::after {
  content: ''; position: absolute; bottom: 8px; right: 8px;
  width: 9px; height: 9px;
  border-bottom: 1px solid var(--ln); border-right: 1px solid var(--ln);
}
.c-idx      { font-size: .46rem; letter-spacing: .2em; color: var(--dm); margin-bottom: .3rem; }
.card:hover .c-idx { color: var(--mu); }
.c-platform {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.15rem; font-weight: 500; letter-spacing: .1em;
  color: var(--mu); text-transform: uppercase; margin-bottom: .35rem;
}
.c-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--tx); line-height: 1; transition: color .2s;
}
.card:hover .c-name { color: var(--a1); }
.c-spec { margin-top: .5rem; font-size: .62rem; letter-spacing: .05em; color: var(--mu); line-height: 1.7; }
.c-arrow {
  position: absolute; top: 1.25rem; right: 1.25rem;
  font-size: .65rem; color: var(--mu); transition: color .2s, transform .2s;
}
.card:hover .c-arrow { color: var(--a1); transform: translate(2px,-2px); }
.card.em::before     { background: var(--a2); }
.card.em:hover .c-name  { color: var(--a2); }
.card.em:hover .c-arrow { color: var(--a2); }
.em-badge {
  display: inline-block; margin-top: .6rem;
  font-size: .46rem; letter-spacing: .18em; text-transform: uppercase;
  padding: .18rem .5rem; border: 1px solid var(--ln); color: var(--a2);
}
body.night .card:hover .c-name { text-shadow: 0 0 10px rgba(0,255,136,.5); }
body.night .card.em:hover .c-name { text-shadow: 0 0 10px rgba(0,200,255,.5); }

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
footer { position: relative; z-index: 10; margin-top: 2rem; border-top: 1px solid var(--ln); }
.foot-bar { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--dm); }
.foot-cell { background: var(--card); padding: .8rem 1rem; font-size: .5rem; letter-spacing: .2em; color: var(--mu); text-align: center; text-transform: uppercase; }
.foot-copy {
  padding: 1.5rem 0 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .5rem; letter-spacing: .18em; color: var(--dm); text-transform: uppercase;
}
.foot-copy span { color: var(--mu); }

/* ══════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease !important; }
.reveal.on { opacity: 1; transform: none; }

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .photo-grid    { grid-template-columns: repeat(2,1fr); }
  .photo-card:nth-child(5n+1) { grid-column: span 1; }
  .grid3         { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .photo-grid    { grid-template-columns: 1fr; }
  .grid2         { grid-template-columns: 1fr; }
  .elevation     { grid-template-columns: repeat(2,1fr); }
  .foot-bar      { grid-template-columns: 1fr; }
  .header-inner  { grid-template-columns: 1fr; }
  .hero-ghost    { display: none; }
  .toggle-btn    { bottom: 1rem; right: 1rem; width: 15px; height: 15px; }
}

/* ════════════════════════════════════════
   IMAGE PROTECTION OVERLAYS
   ════════════════════════════════════════ */

/* Transparent capture layer — blocks mouse drag / right-click area */
.photo-protect-overlay {
  position: absolute;
  inset: 0;
  z-index: 6;
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
  /* Allow hover detection to pass through for overlay cards */
  pointer-events: all;
}

/* CSS watermark — repeating diagonal pattern */
.photo-wm-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
  /* SVG watermark as data URI — diagonal repeating "© NATCHAI.COM" */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='120'%3E%3Ctext x='50%25' y='50%25' dominant-baseline='middle' text-anchor='middle' font-family='Arial%2C sans-serif' font-size='11' fill='white' fill-opacity='0.18' transform='rotate(-30%2C120%2C60)' letter-spacing='3'%3E%C2%A9 NATCHAI.COM%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 240px 120px;
}

/* Make the photo-card capture overlay not prevent hover CSS effects */
.photo-card:hover .photo-protect-overlay { cursor: default; }
.photo-card:hover .photo-card-overlay    { opacity: 1; }

/* Slideshow protect overlay */
.hero-slideshow .photo-protect-overlay {
  z-index: 8;
  background: transparent;
}

/* Disable text selection everywhere on photo areas */
.photo-card,
.hero-slideshow,
.photo-grid {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

img {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
}

/* ════════════════════════════════════════
   CONTACT SECTION
   ════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dm);
  margin-bottom: 2rem;
}

.contact-card {
  background: var(--card);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: background .2s ease;
}
.contact-card:hover { background: var(--card2); }

/* Top accent line */
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--a1);
  opacity: 0;
  transition: opacity .3s ease;
}
.contact-card:hover::before { opacity: .8; }

/* Corner bracket */
.contact-card::after {
  content: '';
  position: absolute;
  bottom: 8px; right: 8px;
  width: 9px; height: 9px;
  border-bottom: 1px solid var(--ln);
  border-right: 1px solid var(--ln);
}

.cc-type {
  font-size: .52rem;
  letter-spacing: .25em;
  color: var(--mu);
  text-transform: uppercase;
}

/* Icon block */
.cc-icon {
  width: 52px; height: 52px;
  border: 1px solid var(--ln);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem; font-weight: 700;
  letter-spacing: .08em;
  color: var(--a1);
  text-transform: uppercase;
  margin-bottom: .35rem;
  transition: border-color .2s, color .2s, background .2s;
}
.contact-card:hover .cc-icon {
  border-color: var(--a1);
  background: rgba(0,0,0,.04);
}

.cc-label {
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--mu);
  text-transform: uppercase;
}

.cc-value {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--tx);
  word-break: break-all;
  transition: color .2s;
}
.contact-card:hover .cc-value { color: var(--a1); }

/* Night: neon glow on hover */
body.night .contact-card:hover .cc-value { text-shadow: 0 0 10px rgba(0,255,136,.4); }
body.night .contact-card::before         { background: var(--a2); }
body.night .contact-card:hover .cc-value { color: var(--a2); text-shadow: 0 0 10px rgba(0,200,255,.4); }
body.night .contact-card:hover .cc-icon  { border-color: var(--a2); color: var(--a2); }

.cc-note {
  font-size: .6rem;
  letter-spacing: .08em;
  color: var(--dm);
  margin-top: .25rem;
}

/* Responsive */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .contact-grid { grid-template-columns: 1fr; }
}