/* ============================================================
   GAME DEV PORTFOLIO — MONOCHROME CRT AESTHETIC
   ============================================================ */

:root {
  --black:    #080808;
  --near-black: #111111;
  --dark:     #1a1a1a;
  --mid:      #2e2e2e;
  --gray:     #555555;
  --light-gray:#999999;
  --off-white:#d4d4d4;
  --white:    #f0f0f0;
  --accent:   #e8e8e8;
  --dim:      rgba(255,255,255,0.06);

  --font-display: 'Bebas Neue', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
  --font-body:    'DM Mono', monospace;

  --max-w: 1280px;
  --section-pad: clamp(80px, 10vw, 140px);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: crosshair;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ---- OVERLAYS ---- */
.scanlines {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.18) 2px,
    rgba(0,0,0,0.18) 4px
  );
}
.grain {
  position: fixed; inset: -50%; z-index: 9998; pointer-events: none;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.35;
  animation: grain-anim 0.4s steps(1) infinite;
}
@keyframes grain-anim {
  0%   { transform: translate(0,0); }
  25%  { transform: translate(-2%,-1%); }
  50%  { transform: translate(1%,2%); }
  75%  { transform: translate(2%,-2%); }
  100% { transform: translate(-1%,1%); }
}

/* ---- CUSTOM SCROLLBAR ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--near-black); }
::-webkit-scrollbar-thumb { background: var(--gray); }

/* ---- SECTION BASE ---- */
.section {
  padding: var(--section-pad) clamp(20px, 5vw, 80px);
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--mid);
}

.section-divider {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--mid);
  margin-bottom: 16px;
}

/* ---- BACK TO TOP ---- */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  background: transparent;
  border: 1px solid var(--mid);
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 16px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, border-color 0.2s, color 0.2s;
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
#back-to-top:hover {
  border-color: var(--off-white);
  color: var(--white);
}


/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 5vw, 80px);
  transition: background 0.3s, backdrop-filter 0.3s;
}
.nav.scrolled {
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--mid);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.15em;
  cursor: pointer;
  position: relative;
}
.nav-logo::before {
  content: attr(data-glitch);
  position: absolute;
  left: 2px; top: 0;
  color: var(--white);
  clip-path: polygon(0 20%,100% 20%,100% 40%,0 40%);
  animation: glitch-top 4s infinite;
  opacity: 0;
}
.nav-logo:hover::before { opacity: 1; }
@keyframes glitch-top {
  0%,94%    { opacity: 0; transform: translateX(0); }
  95%       { opacity: 1; transform: translateX(-3px); }
  96%       { opacity: 1; transform: translateX(3px); }
  97%       { opacity: 0; }
  100%      { opacity: 0; }
}

.nav-links {
  display: flex;
  gap: 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
}
.nav-links a {
  color: var(--light-gray);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--white);
  transition: width 0.25s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  cursor: pointer;
}

.fx-toggle {
  background: none;
  border: 1px solid #444;
  color: #888;
  font-size: 0.65rem;
  padding: 2px 6px;
  cursor: pointer;
  vertical-align: middle;
  margin-left: 10px;
  font-family: monospace;
  letter-spacing: 0;
  transition: color 0.2s, border-color 0.2s;
}
.fx-toggle:hover { color: #fff; border-color: #fff; }
.fx-toggle.off { opacity: 0.35; }
body.no-fx .scanlines,
body.no-fx .grain { display: none !important; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 80px clamp(20px, 5vw, 80px) clamp(60px, 8vw, 120px);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--dim) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: 16px;
  overflow: hidden;
  white-space: nowrap;
  animation: type-in 1.5s steps(22, end) 0.5s both;
}
@keyframes type-in {
  from { width: 0; }
  to   { width: 100%; }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 24px;
  animation: fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 1.2s both;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--light-gray);
  margin-bottom: 32px;
  animation: fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 1.5s both;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
  animation: fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 1.7s both;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  border: 1px solid var(--mid);
  padding: 6px 14px;
  color: var(--light-gray);
  background: rgba(255,255,255,0.02);
  transition: border-color 0.2s, color 0.2s;
}
.tag--sm {
  font-size: 9px;
  padding: 4px 10px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  padding: 14px 28px;
  border: 1px solid var(--off-white);
  color: var(--white);
  background: transparent;
  transition: background 0.25s, color 0.25s;
  animation: fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 2s both;
}
.cta-btn:hover { background: var(--white); color: var(--black); }
.cta-arrow { transition: transform 0.3s; }
.cta-btn:hover .cta-arrow { transform: translateY(4px); }

.hero-ascii {
  position: absolute;
  right: clamp(20px, 5vw, 80px);
  bottom: clamp(60px, 8vw, 120px);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.3;
  color: var(--mid);
  white-space: pre;
  user-select: none;
  animation: fade-up 1s ease 2.2s both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  border-top: 1px solid var(--mid);
}
.about-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 80px;
  align-items: start;
}

.portrait-frame {
  border: 1px solid var(--mid);
  position: relative;
  background: var(--near-black);
  display: flex;
  flex-direction: column;
}
.portrait-frame::before {
  content: '';
  position: absolute; inset: 8px;
  border: 1px solid var(--dark);
  pointer-events: none;
  z-index: 2;
}
.portrait-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 100%;
  color: var(--dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  gap: 12px;
}
.portrait-icon { font-size: 36px; }

.portrait-img {
  flex: 1;
  min-height: 0;
  aspect-ratio: 3/4;
  width: calc(100% - 16px);
  object-fit: cover;
  display: block;
  z-index: 1;
  margin: 8px 8px 0 8px;
}

.portrait-credit {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gray);
  padding: 6px 10px;
  z-index: 3;
}

.portrait-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--mid);
  border-top: none;
}
.stat {
  padding: 16px 10px;
  text-align: center;
  border-right: 1px solid var(--mid);
}
.stat:last-child { border-right: none; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-top: 4px;
}

.about-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 28px;
}
.about-heading em {
  font-style: normal;
  color: var(--gray);
}

.about-text p {
  color: var(--light-gray);
  margin-bottom: 20px;
  max-width: 560px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--mid);
}
.skill-group h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: 12px;
}
.skill-group ul li {
  font-size: 13px;
  color: var(--off-white);
  padding: 4px 0;
  border-bottom: 1px solid var(--dark);
}

/* ============================================================
   MAIN PROJECT
   ============================================================ */
.main-project {
  border-top: 1px solid var(--mid);
  background:
    linear-gradient(to bottom, var(--black), var(--near-black) 50%, var(--black)),
    repeating-linear-gradient(45deg, transparent, transparent 60px, var(--dim) 60px, var(--dim) 61px);
  max-width: 100%;
  padding-left: clamp(20px, 5vw, 80px);
  padding-right: clamp(20px, 5vw, 80px);
}
.main-project .section-label { max-width: var(--max-w); margin-left: auto; margin-right: auto; }

.main-project-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  scroll-margin-top: 70px;
}

.main-project-inner + .main-project-inner {
  margin-top: 6rem;
  padding-top: 6rem;
  border-top: 1px solid #222;
}

/* Gallery arrow navigation */
.mp-image-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.gallery-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  transform: none;
  z-index: 10;
  border: none;
  color: #fff;
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  user-select: none;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
}

.gallery-arrow.prev {
  left: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.5), transparent);
}

.gallery-arrow.next {
  right: 0;
  background: linear-gradient(to left, rgba(0,0,0,0.5), transparent);
}

.gallery-arrow.prev:hover {
  background: linear-gradient(to right, rgba(0,0,0,0.7), transparent);
}

.gallery-arrow.next:hover {
  background: linear-gradient(to left, rgba(0,0,0,0.7), transparent);
}

.mp-image-frame:hover .gallery-arrow {
  opacity: 1;
}

.mp-image-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 100%;
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  gap: 8px;
}
.placeholder-dims { font-size: 10px; color: var(--mid); }

.mp-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.mp-gallery p {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--gray);
  text-transform: uppercase;
  padding: 3px 8px;
  background: rgba(255,255,255,0.02);
  align-self: center;
  white-space: nowrap;
}

/* Corner brackets */
.mp-corner {
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--gray);
  border-style: solid;
}
.mp-corner--tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.mp-corner--tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.mp-corner--bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.mp-corner--br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.mp-thumb {
  flex: 1;
  min-width: 50px;
  height: 48px;
  padding: 0 10px;
  background: var(--dark);
  border: 1px solid var(--mid);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.mp-thumb.active,
.mp-thumb:hover { border-color: var(--gray); color: var(--off-white); }

/* Lightbox */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  user-select: none;
}
#lightbox.open {
  display: flex;
}
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 0 60px rgba(0,0,0,0.8);
  cursor: default;
  pointer-events: none;
}
#lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}
#lightbox-close:hover { opacity: 1; }

#lightbox-prev,
#lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 4rem;
  cursor: pointer;
  padding: 0 1.2rem;
  opacity: 0.5;
  transition: opacity 0.2s;
  line-height: 1;
  user-select: none;
}
#lightbox-prev:hover,
#lightbox-next:hover { opacity: 1; }
#lightbox-prev { left: 0; }
#lightbox-next { right: 0; }

/* Main Project Content */
.mp-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--black);
  background: var(--off-white);
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 20px;
}

.mp-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 12px;
}

.mp-genre {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gray);
  margin-bottom: 28px;
}

.mp-desc {
  color: var(--light-gray);
  margin-bottom: 16px;
  font-size: 13px;
}

.mp-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0;
}

.tech-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 5px 12px;
  border: 1px solid var(--dim);
  color: var(--light-gray);
}

.mp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.link-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  padding: 10px 20px;
  border: 1px solid var(--mid);
  color: var(--light-gray);
  background: var(--dark);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.link-btn:hover { border-color: var(--off-white); color: var(--white); }
.link-btn--primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.link-btn--primary:hover { background: transparent; color: var(--white); }

/* ============================================================
   SIDE PROJECTS
   ============================================================ */
.side-projects {
  border-top: 1px solid var(--mid);
}
.side-heading {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 60px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 56px;
}

.side-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
}

.side-card {
  background: var(--near-black);
  border: 1px solid var(--mid);
  transition: border-color 0.25s, background 0.25s;
  position: relative;
  overflow: hidden;
}
.side-card::before {
  content: attr(data-index);
  position: absolute;
  top: 12px; right: 16px;
  font-family: var(--font-display);
  font-size: 48px;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
}
.side-card:hover {
  background: var(--dark);
  border-color: var(--gray);
}

.side-card-img {
  aspect-ratio: 16/9;
  background: var(--dark);
  overflow: hidden;
}
.side-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.1em;
}
/* Replace placeholder with: .side-card-img img { filter: grayscale(100%); } */
.side-card:hover .side-card-img-placeholder { color: var(--gray); }

.side-card-body {
  padding: 24px;
}
.side-card-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--gray);
  margin-bottom: 10px;
}
.side-card-title {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.1;
}
.side-card-desc {
  font-size: 12px;
  color: var(--light-gray);
  margin-bottom: 16px;
  line-height: 1.65;
}
.side-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.side-card-links {
  display: flex;
  gap: 16px;
}
.side-card-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gray);
  transition: color 0.2s;
}
.side-card-links a:hover { color: var(--white); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  border-top: 1px solid var(--mid);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: 'CONTACT';
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--font-display);
  font-size: 160px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.02);
  pointer-events: none;
  white-space: nowrap;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 24px;
}
.contact-text p {
  color: var(--light-gray);
  max-width: 420px;
  margin-bottom: 32px;
}
.contact-email {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--white);
  border-bottom: 1px solid var(--gray);
  padding-bottom: 4px;
  transition: border-color 0.2s, color 0.2s;
}
.contact-email:hover { border-color: var(--white); }

.social-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--mid);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--light-gray);
  transition: color 0.2s, padding-left 0.2s;
}
.social-link:first-child { border-top: 1px solid var(--mid); }
.social-link:hover { color: var(--white); padding-left: 8px; }
.social-icon { color: var(--gray); font-size: 8px; }
.social-arrow { margin-left: auto; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--mid);
  padding: 24px clamp(20px, 5vw, 80px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gray);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-portrait { max-width: 300px; }
  .main-project-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(8,8,8,0.97);
    padding: 32px clamp(20px, 5vw, 80px);
    border-bottom: 1px solid var(--mid);
    gap: 24px;
  }
  .nav-toggle { display: block; }
  .hero-ascii { display: none; }
  .skills-grid { grid-template-columns: 1fr; }
  .mp-links { flex-direction: column; }
  .footer { flex-direction: column; gap: 8px; text-align: center; }
}