/* ───── RESET & BASE ───── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0b0b0f;
  --bg2: #0f0f15;
  --bg3: #13131c;
  --cyan: #00f0ff;
  --cyan-dim: rgba(0,240,255,.15);
  --cyan-glow: rgba(0,240,255,.35);
  --magenta: #d400ff;
  --magenta-dim: rgba(212,0,255,.12);
  --magenta-glow: rgba(212,0,255,.3);
  --green: #00ff88;
  --text: #e8eaf0;
  --text-dim: #7a7d8e;
  --text-muted: #3f4155;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Syne', sans-serif;
  --body: 'DM Sans', sans-serif;
  --radius: 12px;
  --transition: cubic-bezier(.25,.8,.25,1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-weight: 300;
  overflow-x: hidden;
  cursor: none;
}

/* ───── CUSTOM CURSOR ───── */
#cursor {
  position: fixed; width: 12px; height: 12px;
  background: var(--cyan); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: transform .1s, width .2s var(--transition), height .2s var(--transition), background .2s;
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed; width: 36px; height: 36px;
  border: 1px solid rgba(0,240,255,.4); border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform .18s var(--transition), width .25s, height .25s, opacity .2s;
}
body:hover #cursor { opacity: 1; }
.cursor-hover #cursor { width: 24px; height: 24px; background: var(--magenta); }
.cursor-hover #cursor-ring { width: 56px; height: 56px; border-color: rgba(212,0,255,.4); }

/* ───── SCROLLBAR ───── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 2px; }

/* ───── PARTICLE CANVAS ───── */
#particle-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ───── NAV ───── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  background: linear-gradient(to bottom, rgba(11,11,15,.9) 0%, transparent 100%);
  backdrop-filter: blur(4px);
  transition: padding .3s;
}
nav.scrolled { padding: 12px 48px; background: rgba(11,11,15,.92); }

.nav-logo { font-family: var(--mono); font-size: .8rem; color: var(--cyan); letter-spacing: .15em; text-transform: uppercase; flex-shrink: 0; }
.nav-logo span { color: var(--text-dim); }

.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: .68rem; color: var(--text-dim);
  text-decoration: none; letter-spacing: .1em; text-transform: uppercase;
  position: relative; transition: color .2s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 100%;
  height: 1px; background: var(--cyan); transition: right .25s var(--transition);
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { right: 0; }

/* ─ LANG SWITCHER ─ */
.lang-switcher {
  display: flex; align-items: center;
  background: var(--bg3); border: 1px solid var(--text-muted); border-radius: 6px; overflow: hidden;
}
.lang-btn {
  font-family: var(--mono); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 13px; color: var(--text-muted); background: none; border: none; cursor: none;
  transition: color .2s, background .2s;
}
.lang-btn.active { color: var(--bg); background: var(--cyan); }
.lang-divider { width: 1px; height: 16px; background: var(--text-muted); }

.nav-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-indicator { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .63rem; color: var(--text-muted); }
.nav-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse-dot 2.4s ease-in-out infinite; }
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,255,136,.5); }
  50%      { box-shadow: 0 0 0 6px rgba(0,255,136,0); }
}

/* ───── SECTION BASE ───── */
section { position: relative; z-index: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

/* ───── HERO ───── */
#hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; }
.hero-content { position: relative; z-index: 2; }

.hero-label { font-family: var(--mono); font-size: .72rem; color: var(--cyan); letter-spacing: .25em; text-transform: uppercase; margin-top: 70px; margin-bottom: 28px; opacity: 0; animation: fadeUp .8s .3s forwards; }
.hero-title { font-family: var(--sans); font-size: clamp(4rem, 10vw, 9rem); font-weight: 800; line-height: .92; letter-spacing: -.03em; opacity: 0; animation: fadeUp .9s .5s forwards; }
.hero-title .line1 { display: block; color: var(--text); }
.hero-title .line2 { display: block; background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.hero-underline { height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent); margin: 20px auto 36px; opacity: 0; animation: lineExpand .9s .9s forwards; max-width: 0; }
@keyframes lineExpand { to { max-width: 600px; opacity: 1; } }

.hero-subtitle { font-family: var(--sans); font-size: clamp(1.1rem, 2.5vw, 1.4rem); font-weight: 600; color: var(--text-dim); margin-bottom: 20px; opacity: 0; animation: fadeUp .8s 1s forwards; }
.hero-desc { font-size: clamp(.9rem, 1.8vw, 1.05rem); color: var(--text-muted); max-width: 560px; margin: 0 auto 48px; line-height: 1.75; opacity: 0; animation: fadeUp .8s 1.15s forwards; }

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; opacity: 0; animation: fadeUp .8s 1.3s forwards; }
.hero-location { margin-top: 28px; font-family: var(--mono); font-size: .68rem; color: var(--text-muted); letter-spacing: .15em; opacity: 0; animation: fadeUp .8s 1.45s forwards; display: flex; align-items: center; justify-content: center; gap: 6px; }
.hero-location::before { content: '📍'; font-size: .8rem; }

.btn { font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; padding: 14px 32px; border-radius: 6px; text-decoration: none; transition: all .25s var(--transition); border: none; cursor: none; }
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--magenta)); color: var(--bg); font-weight: 500; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,240,255,.3), 0 4px 15px rgba(212,0,255,.2); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--text-muted); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 20px var(--cyan-dim); transform: translateY(-2px); }

.hero-scroll-hint { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0; animation: fadeUp .6s 2s forwards; }
.hero-scroll-hint span { font-family: var(--mono); font-size: .6rem; color: var(--text-muted); letter-spacing: .2em; text-transform: uppercase; }
.scroll-line { width: 1px; height: 60px; background: linear-gradient(to bottom, var(--cyan), transparent); animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce { 0%,100%{transform:scaleY(1);opacity:.6;} 50%{transform:scaleY(.6);opacity:1;} }

/* ───── SECTION HEADER ───── */
.section-header { margin-bottom: 64px; }
.section-tag { font-family: var(--mono); font-size: .7rem; color: var(--cyan); letter-spacing: .2em; text-transform: uppercase; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.section-tag::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--cyan); }
.section-title { font-family: var(--sans); font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; }

/* ───── ABOUT ───── */
#about { padding: 140px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text p { font-size: 1.05rem; line-height: 1.85; color: var(--text-dim); margin-bottom: 20px; }
.about-text p strong { color: var(--text); font-weight: 400; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.stat-card { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: var(--radius); padding: 24px; transition: all .25s; }
.stat-card:hover { border-color: var(--cyan); box-shadow: 0 0 20px var(--cyan-dim); transform: translateY(-3px); }
.stat-number { font-family: var(--sans); font-size: 2.4rem; font-weight: 800; background: linear-gradient(135deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 6px; }
.stat-label { font-family: var(--mono); font-size: .68rem; color: var(--text-muted); letter-spacing: .12em; text-transform: uppercase; }
.about-visual { position: relative; height: 420px; }
#about-canvas { width: 100%; height: 100%; border-radius: var(--radius); border: 1px solid var(--text-muted); }

/* ───── SKILLS ───── */
#skills { padding: 140px 0; }
.skills-category { margin-bottom: 52px; }
.skills-category-label { font-family: var(--mono); font-size: .68rem; color: var(--magenta); letter-spacing: .2em; text-transform: uppercase; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.skills-category-label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to right, var(--magenta-dim), transparent); }
.skills-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.skill-card { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: var(--radius); padding: 20px 18px; text-align: center; position: relative; overflow: hidden; transition: all .3s var(--transition); cursor: none; min-width: 110px; }
.skill-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, var(--cyan-dim), transparent 70%); opacity: 0; transition: opacity .3s; }
.skill-card:hover { border-color: var(--cyan); transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,240,255,.12); }
.skill-card:hover::before { opacity: 1; }
.skill-card.alt:hover { border-color: var(--magenta); box-shadow: 0 12px 40px rgba(212,0,255,.1); }
.skill-card.alt::before { background: radial-gradient(circle at 50% 0%, var(--magenta-dim), transparent 70%); }
.skill-card.green-v:hover { border-color: var(--green); box-shadow: 0 12px 40px rgba(0,255,136,.1); }
.skill-card.green-v::before { background: radial-gradient(circle at 50% 0%, rgba(0,255,136,.1), transparent 70%); }
.skill-icon { font-size: 1.6rem; margin-bottom: 10px; display: block; transition: transform .3s var(--transition); }
.skill-card:hover .skill-icon { transform: scale(1.2) rotate(-5deg); }
.skill-name { font-family: var(--mono); font-size: .68rem; color: var(--text); letter-spacing: .06em; }
.skill-sub { font-family: var(--mono); font-size: .57rem; color: var(--text-muted); margin-top: 3px; }

/* ───── PROJECTS ───── */
#projects { padding: 140px 0; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.project-card { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: var(--radius); overflow: hidden; transition: all .3s var(--transition); cursor: none; }
.project-card:hover { border-color: var(--cyan); transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,240,255,.1); }
.project-thumb { height: 190px; position: relative; overflow: hidden; }
.project-thumb canvas { width: 100%; height: 100%; display: block; }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 30%, var(--bg3)); pointer-events: none; }
.project-info { padding: 22px; }
.project-title { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.project-company { font-family: var(--mono); font-size: .6rem; color: var(--text-muted); margin-bottom: 10px; letter-spacing: .1em; text-transform: uppercase; }
.project-desc { font-size: .88rem; color: var(--text-dim); line-height: 1.65; margin-bottom: 14px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.tag { font-family: var(--mono); font-size: .6rem; padding: 3px 9px; border-radius: 4px; letter-spacing: .06em; }
.tag-cyan    { background: rgba(0,240,255,.1);   color: var(--cyan);     border: 1px solid rgba(0,240,255,.2); }
.tag-magenta { background: rgba(212,0,255,.08);  color: var(--magenta);  border: 1px solid rgba(212,0,255,.2); }
.tag-green   { background: rgba(0,255,136,.08);  color: var(--green);    border: 1px solid rgba(0,255,136,.2); }
.tag-gray    { background: rgba(255,255,255,.04); color: var(--text-muted); border: 1px solid var(--text-muted); }

.project-links { display: flex; gap: 12px; }
.project-link { font-family: var(--mono); font-size: .65rem; color: var(--text-dim); text-decoration: none; letter-spacing: .1em; text-transform: uppercase; display: flex; align-items: center; gap: 6px; transition: color .2s; }
.project-link:hover { color: var(--cyan); }
.project-link svg { width: 12px; height: 12px; }

/* ───── MODAL ───── */
.modal-overlay { position: fixed; inset: 0; background: rgba(11,11,15,.92); z-index: 500; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .3s; backdrop-filter: blur(12px); }
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: 16px; max-width: 680px; width: 90%; max-height: 85vh; overflow-y: auto; transform: translateY(24px) scale(.97); transition: transform .35s var(--transition); position: relative; }
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-close { position: absolute; top: 20px; right: 20px; background: none; border: 1px solid var(--text-muted); color: var(--text-dim); width: 32px; height: 32px; border-radius: 50%; font-size: 1rem; cursor: none; display: flex; align-items: center; justify-content: center; transition: all .2s; }
.modal-close:hover { border-color: var(--cyan); color: var(--cyan); }
.modal-thumb { height: 220px; overflow: hidden; border-radius: 12px 12px 0 0; }
.modal-thumb canvas { width: 100%; height: 100%; display: block; }
.modal-body { padding: 32px; }
.modal-title { font-family: var(--sans); font-size: 1.6rem; font-weight: 800; margin-bottom: 10px; }
.modal-desc { color: var(--text-dim); line-height: 1.8; margin-bottom: 24px; font-size: .95rem; }
.modal-section-label { font-family: var(--mono); font-size: .65rem; color: var(--cyan); letter-spacing: .2em; text-transform: uppercase; margin-bottom: 10px; }

/* ───── GAME DEV ───── */
#gamedev { padding: 140px 0; }
.gamedev-intro { margin-bottom: 32px; color: var(--text-dim); font-size: 1rem; line-height: 1.75; max-width: 680px; }
.gamedev-engines { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 52px; }
.engine-badge { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; padding: 8px 16px; border-radius: 6px; border: 1px solid var(--magenta); color: var(--magenta); background: rgba(212,0,255,.06); transition: all .25s; }
.engine-badge:hover { background: rgba(212,0,255,.14); box-shadow: 0 0 16px rgba(212,0,255,.2); transform: translateY(-2px); }
.gamedev-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.game-card { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: var(--radius); overflow: hidden; position: relative; transition: all .3s; cursor: none; }
.game-card:hover { border-color: var(--magenta); box-shadow: 0 0 40px rgba(212,0,255,.1); transform: translateY(-6px); }
.game-thumb { height: 190px; position: relative; overflow: hidden; }
.game-thumb canvas { width: 100%; height: 100%; display: block; }
.scanlines { position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, transparent, transparent 2px, rgba(0,0,0,.15) 2px, rgba(0,0,0,.15) 4px); pointer-events: none; }
.game-glitch { position: absolute; inset: 0; opacity: 0; background: linear-gradient(135deg, rgba(212,0,255,.08), rgba(0,240,255,.05)); transition: opacity .2s; }
.game-card:hover .game-glitch { opacity: 1; }
.game-info { padding: 22px; }
.game-title { font-family: var(--sans); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.game-desc { font-size: .88rem; color: var(--text-dim); line-height: 1.65; }
.game-badge { position: absolute; top: 12px; right: 12px; font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; background: rgba(212,0,255,.2); color: var(--magenta); border: 1px solid rgba(212,0,255,.3); }

/* ───── EXPERIENCE ───── */
#experience { padding: 140px 0; }
.timeline { position: relative; padding-left: 48px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(to bottom, var(--cyan), var(--magenta), transparent); }
.timeline-item { position: relative; margin-bottom: 64px; opacity: 0; transform: translateX(-20px); transition: all .5s var(--transition); }
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-dot { position: absolute; left: -55px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--cyan); box-shadow: 0 0 12px var(--cyan-glow); transition: all .3s; }
.timeline-item:hover .timeline-dot { background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }
.timeline-item:nth-child(even) .timeline-dot { border-color: var(--magenta); box-shadow: 0 0 12px var(--magenta-glow); }
.timeline-item:nth-child(even):hover .timeline-dot { background: var(--magenta); box-shadow: 0 0 20px var(--magenta); }
.timeline-date { font-family: var(--mono); font-size: .65rem; color: var(--cyan); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 8px; }
.timeline-item:nth-child(even) .timeline-date { color: var(--magenta); }
.timeline-role { font-family: var(--sans); font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.timeline-company { font-family: var(--mono); font-size: .75rem; color: var(--text-dim); margin-bottom: 16px; }
.timeline-responsibilities { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.timeline-responsibilities li { font-size: .9rem; color: var(--text-dim); line-height: 1.65; padding-left: 18px; position: relative; }
.timeline-responsibilities li::before { content: '›'; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.timeline-item:nth-child(even) .timeline-responsibilities li::before { color: var(--magenta); }

/* ───── CONTACT ───── */
#contact { padding: 140px 0 100px; }
.contact-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.contact-card { background: var(--bg3); border: 1px solid var(--text-muted); border-radius: 20px; padding: 60px 48px; position: relative; overflow: hidden; margin-top: 48px; }
.contact-card::before { content: ''; position: absolute; inset: -1px; border-radius: 20px; background: linear-gradient(135deg, var(--cyan), var(--magenta)); z-index: -1; opacity: 0; transition: opacity .4s; }
.contact-card:hover::before { opacity: .15; }
.contact-bg-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; animation: gridScroll 20s linear infinite; }
@keyframes gridScroll { to { background-position: 0 40px, 40px 0; } }
.contact-headline { font-family: var(--sans); font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; margin-bottom: 16px; position: relative; }
.contact-sub { color: var(--text-muted); font-size: .95rem; line-height: 1.7; margin-bottom: 48px; position: relative; }
.contact-links { display: flex; flex-direction: column; gap: 14px; position: relative; }
.contact-link { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; background: var(--bg2); border: 1px solid var(--text-muted); border-radius: 10px; text-decoration: none; color: var(--text); transition: all .25s; text-align: left; }
.contact-link:hover { border-color: var(--cyan); background: rgba(0,240,255,.04); transform: translateX(4px); box-shadow: 0 0 20px rgba(0,240,255,.08); }
.contact-link-left { display: flex; align-items: center; gap: 16px; }
.contact-link-icon { width: 36px; height: 36px; background: var(--bg3); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.contact-link-label { font-family: var(--mono); font-size: .63rem; color: var(--text-muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 2px; }
.contact-link-value { font-size: .9rem; color: var(--text); }
.contact-link-arrow { color: var(--text-muted); font-size: .8rem; transition: transform .2s, color .2s; }
.contact-link:hover .contact-link-arrow { transform: translateX(4px); color: var(--cyan); }

/* ───── FOOTER ───── */
footer { border-top: 1px solid var(--text-muted); padding: 32px 48px; display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
.footer-copy { font-family: var(--mono); font-size: .65rem; color: var(--text-muted); letter-spacing: .1em; }
.footer-made { font-family: var(--mono); font-size: .65rem; color: var(--text-muted); }
.footer-made span { color: var(--magenta); }

/* ───── SCROLL REVEAL ───── */
.fade-up { opacity: 0; transform: translateY(32px); transition: opacity .7s var(--transition), transform .7s var(--transition); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-d1 { transition-delay: .1s; }
.fade-up-d2 { transition-delay: .2s; }
.fade-up-d3 { transition-delay: .3s; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ───── RESPONSIVE ───── */
@media (max-width: 960px) { .nav-links { display: none; } }
@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  nav.scrolled { padding: 12px 24px; }
  .container { padding: 0 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { height: 280px; }
  .projects-grid { grid-template-columns: 1fr; }
  .gamedev-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 10px; text-align: center; padding: 24px; }
  .contact-card { padding: 40px 24px; }
  #about, #skills, #projects, #gamedev, #experience, #contact { padding: 90px 0; }
}