/* ================================================
   CYBERSEC PORTFOLIO - Terminal Hacker Aesthetic
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&family=Syne:wght@400;700;800&display=swap');

/* ── Variables ── */
:root {
  --bg:         #080b0f;
  --bg2:        #0d1117;
  --bg3:        #111820;
  --border:     #1e2d3d;
  --green:      #39ff14;
  --cyan:       #00e5ff;
  --red:        #ff4757;
  --yellow:     #ffd32a;
  --text:       #c9d1d9;
  --text-dim:   #6e7681;
  --text-bright:#f0f6fc;
  --font-mono:  'JetBrains Mono', monospace;
  --font-sans:  'Syne', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

/* ── Custom cursor ── */
.cursor {
  width: 12px; height: 12px;
  border: 2px solid var(--green);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.2s, height 0.2s, border-color 0.2s;
  mix-blend-mode: screen;
}
.cursor-dot {
  width: 4px; height: 4px;
  background: var(--green);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
}
.cursor.hovering { width: 28px; height: 28px; border-color: var(--cyan); }

/* ── Scanlines overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.07) 2px,
    rgba(0,0,0,0.07) 4px
  );
  pointer-events: none; z-index: 1000;
}

/* ── Noise texture ── */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 999; opacity: 0.3;
}

/* ── Links ── */
a { color: var(--cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green); }

/* ── Selection ── */
::selection { background: var(--green); color: var(--bg); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ===========================
   LAYOUT
   =========================== */

.container { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }

/* ===========================
   NAVBAR
   =========================== */

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: rgba(8,11,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: 860px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 58px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green);
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--text-dim); }
.nav-logo .blink { animation: blink 1s step-end infinite; }

.nav-links {
  display: flex; gap: 0.25rem; list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--green);
  border-color: var(--border);
  background: var(--bg2);
}

.nav-menu-btn {
  display: none;
  background: none; border: none;
  color: var(--text); cursor: none;
  font-size: 1.2rem; padding: 4px;
}

/* ===========================
   HERO / ABOUT
   =========================== */

.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem; align-items: center;
}

.hero-prompt {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 8px;
}
.hero-prompt::before { content: '~/'; color: var(--green); }

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}
.hero-name .highlight {
  color: var(--green);
  position: relative;
}

.hero-title {
  font-size: 0.9rem;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.hero-title::before { content: '>'; color: var(--green); }
.typed-text { min-height: 1.2em; }
.typed-cursor { animation: blink 0.8s step-end infinite; color: var(--green); }

.hero-bio {
  font-size: 0.9rem;
  color: var(--text);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 2rem;
}
.tag {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s;
}
.tag:hover { border-color: var(--green); color: var(--green); }
.tag.active { border-color: var(--green); color: var(--green); background: rgba(57,255,20,0.05); }

.hero-links {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--green);
  color: var(--bg);
  border: none;
}
.btn-primary:hover { background: #2de610; color: var(--bg); transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* Avatar */
.hero-avatar {
  position: relative; flex-shrink: 0;
}
.avatar-frame {
  width: 180px; height: 180px;
  border-radius: 8px;
  border: 2px solid var(--border);
  overflow: hidden;
  position: relative;
}
.avatar-frame img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(20%) contrast(1.1);
  transition: filter 0.3s;
}
.avatar-frame:hover img { filter: grayscale(0%) contrast(1.2); }
.avatar-frame::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(57,255,20,0.15), transparent 60%);
  z-index: 1; pointer-events: none;
}
.avatar-corner {
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--green);
  border-style: solid;
}
.avatar-corner.tl { top: -5px; left: -5px; border-width: 2px 0 0 2px; }
.avatar-corner.tr { top: -5px; right: -5px; border-width: 2px 2px 0 0; }
.avatar-corner.bl { bottom: -5px; left: -5px; border-width: 0 0 2px 2px; }
.avatar-corner.br { bottom: -5px; right: -5px; border-width: 0 2px 2px 0; }
.avatar-status {
  position: absolute; bottom: -14px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--green);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 10px; border-radius: 3px;
  white-space: nowrap;
  display: flex; align-items: center; gap: 5px;
}
.status-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }

/* ===========================
   SECTION COMMONS
   =========================== */

section { padding: 5rem 0; }

.section-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2.5rem;
}
.section-num {
  font-size: 0.7rem;
  color: var(--green);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-bright);
}
.section-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ===========================
   TERMINAL BLOCK
   =========================== */

.terminal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.terminal-bar {
  background: var(--bg3);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-left: 8px;
}
.terminal-body { padding: 1.2rem 1.5rem; font-size: 0.85rem; line-height: 1.9; }
.terminal-body .prompt { color: var(--green); }
.terminal-body .cmd { color: var(--cyan); }
.terminal-body .comment { color: var(--text-dim); }
.terminal-body .out { color: var(--text); }
.terminal-body .out.ok { color: var(--green); }
.terminal-body .out.err { color: var(--red); }
.terminal-body .out.warn { color: var(--yellow); }

/* ===========================
   STATS BAR
   =========================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 3rem;
}
.stat-item {
  background: var(--bg2);
  padding: 1.2rem;
  text-align: center;
  transition: background 0.2s;
}
.stat-item:hover { background: var(--bg3); }
.stat-num {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ===========================
   SKILLS / CERTS
   =========================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.skill-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.skill-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
}
.skill-card-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 0.75rem;
}
.skill-icon { font-size: 1.2rem; }
.skill-name { font-size: 0.85rem; color: var(--text-bright); font-weight: 600; }
.skill-items {
  display: flex; flex-wrap: wrap; gap: 5px;
}
.skill-badge {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(57,255,20,0.08);
  border: 1px solid rgba(57,255,20,0.2);
  color: var(--green);
}

/* Cert list */
.cert-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cert-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text);
  transition: border-color 0.2s;
}
.cert-item:hover { border-color: var(--cyan); }
.cert-item::before { content: '▸'; color: var(--green); }
.cert-label { font-weight: 600; color: var(--cyan); min-width: 90px; font-size: 0.75rem; }

/* ===========================
   WRITEUPS / CARDS
   =========================== */

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

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem;
  display: flex; flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.2s, transform 0.2s;
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: 0; transition: opacity 0.2s;
}
.card:hover { border-color: var(--border); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }

.card-meta {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.card-category {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cat-web    { background: rgba(0,229,255,0.1); color: var(--cyan); border: 1px solid rgba(0,229,255,0.3); }
.cat-pwn    { background: rgba(255,71,87,0.1); color: var(--red); border: 1px solid rgba(255,71,87,0.3); }
.cat-crypto { background: rgba(255,211,42,0.1); color: var(--yellow); border: 1px solid rgba(255,211,42,0.3); }
.cat-re     { background: rgba(57,255,20,0.1); color: var(--green); border: 1px solid rgba(57,255,20,0.3); }
.cat-misc   { background: rgba(150,150,150,0.1); color: #aaa; border: 1px solid rgba(150,150,150,0.3); }
.cat-osint  { background: rgba(155,89,182,0.15); color: #c39bd3; border: 1px solid rgba(155,89,182,0.3); }

.card-date { font-size: 0.65rem; color: var(--text-dim); margin-left: auto; }

.card-title {
  font-family: var(--font-sans);
  font-size: 1rem; font-weight: 700;
  color: var(--text-bright); line-height: 1.3;
}
.card-desc { font-size: 0.8rem; color: var(--text-dim); flex: 1; }
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
}
.card-event { color: var(--text-dim); }
.card-link { color: var(--cyan); display: flex; align-items: center; gap: 4px; }
.card-link:hover { color: var(--green); }

/* ===========================
   PROJECTS
   =========================== */

.project-list { display: flex; flex-direction: column; gap: 1rem; }

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem 1.6rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem; align-items: start;
  transition: border-color 0.2s;
}
.project-card:hover { border-color: var(--green); }

.project-name {
  font-family: var(--font-sans);
  font-size: 1rem; font-weight: 700;
  color: var(--text-bright); margin-bottom: 6px;
  display: flex; align-items: center; gap: 8px;
}
.project-name a:hover { color: var(--green); }
.project-desc { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 10px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.project-tag {
  font-size: 0.65rem; padding: 2px 8px;
  border-radius: 3px; background: var(--bg3);
  border: 1px solid var(--border); color: var(--text-dim);
}

.project-links {
  display: flex; gap: 8px; align-items: center;
  flex-shrink: 0;
}
.icon-btn {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.75rem; color: var(--text-dim);
  padding: 5px 10px; border: 1px solid var(--border);
  border-radius: 4px; transition: all 0.2s;
  cursor: none;
}
.icon-btn:hover { color: var(--cyan); border-color: var(--cyan); }

/* ===========================
   CONTACT
   =========================== */

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.contact-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.contact-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem; color: var(--text-bright);
}
.social-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.social-item a {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-dim); font-size: 0.82rem;
  padding: 8px 12px; border-radius: 5px;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.social-item a:hover {
  border-color: var(--border); color: var(--text-bright);
  background: var(--bg3);
}
.social-icon { font-size: 1rem; width: 20px; text-align: center; }

/* PGP box */
.pgp-box {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 1rem;
  font-size: 0.72rem; color: var(--text-dim); line-height: 1.6;
}
.pgp-box code { color: var(--green); word-break: break-all; }

/* ===========================
   FOOTER
   =========================== */

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0; margin-top: 4rem;
}
.footer-inner {
  max-width: 860px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-text { font-size: 0.75rem; color: var(--text-dim); }
.footer-text span { color: var(--green); }

/* ===========================
   PAGE HEADER (inner pages)
   =========================== */

.page-header {
  padding: 120px 0 60px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}
.page-header-prompt {
  font-size: 0.72rem; color: var(--text-dim); margin-bottom: 1rem;
  display: flex; align-items: center; gap: 6px;
}
.page-header-prompt::before { content: '~/'; color: var(--green); }
.page-header h1 {
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; color: var(--text-bright);
}
.page-header p { color: var(--text-dim); font-size: 0.88rem; max-width: 480px; margin-top: 0.5rem; }

/* ===========================
   FILTER TABS
   =========================== */

.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-btn {
  padding: 6px 14px; font-size: 0.75rem;
  border: 1px solid var(--border); border-radius: 4px;
  background: transparent; color: var(--text-dim);
  cursor: none; font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.04em;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--green); color: var(--green); }
.filter-btn.active { border-color: var(--green); color: var(--green); background: rgba(57,255,20,0.07); }

/* ===========================
   WRITEUP ARTICLE PAGE
   =========================== */

.article-wrapper { max-width: 720px; margin: 0 auto; }
.article-header { padding: 120px 0 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2.5rem; }
.article-title {
  font-family: var(--font-sans); font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800; color: var(--text-bright); margin-bottom: 1rem;
}
.article-meta { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.78rem; color: var(--text-dim); }

.article-body { font-size: 0.88rem; line-height: 2; }
.article-body h2 {
  font-family: var(--font-sans); font-size: 1.3rem; font-weight: 700;
  color: var(--text-bright); margin: 2.5rem 0 1rem;
  display: flex; align-items: center; gap: 8px;
}
.article-body h2::before { content: '##'; color: var(--green); font-size: 0.9rem; }
.article-body h3 { color: var(--cyan); margin: 1.5rem 0 0.8rem; }
.article-body p { margin-bottom: 1.2rem; }
.article-body code {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 1px 6px; border-radius: 3px;
  font-size: 0.82rem; color: var(--cyan);
}
.article-body pre {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 1.2rem; border-radius: 6px;
  overflow-x: auto; margin: 1.5rem 0;
}
.article-body pre code {
  background: none; border: none; padding: 0;
  color: var(--text); font-size: 0.82rem;
}
.article-body blockquote {
  border-left: 3px solid var(--green);
  padding-left: 1rem; color: var(--text-dim);
  margin: 1.5rem 0; font-style: italic;
}
.flag-box {
  background: rgba(57,255,20,0.05);
  border: 1px solid rgba(57,255,20,0.3);
  border-radius: 6px; padding: 1rem 1.2rem;
  display: flex; align-items: center; gap: 10px;
  margin: 1.5rem 0; font-size: 0.85rem;
}
.flag-box .flag-label { color: var(--green); font-weight: 700; }
.flag-box code { color: var(--green); background: none; border: none; font-size: 0.9rem; }

/* ===========================
   ANIMATIONS
   =========================== */

@keyframes blink  { 50% { opacity: 0; } }
@keyframes pulse  { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

.fade-up { animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }
.delay-5 { animation-delay: 0.5s; opacity: 0; }

/* glitch */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
}
.glitch::before {
  color: var(--cyan);
  animation: glitch1 4s infinite linear alternate;
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
}
.glitch::after {
  color: var(--red);
  animation: glitch2 4s infinite linear alternate;
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
}
@keyframes glitch1 {
  0%,94%  { transform: none; opacity: 0; }
  95%     { transform: translateX(-3px); opacity: 0.6; }
  97%     { transform: translateX(3px); opacity: 0.6; }
  100%    { transform: none; opacity: 0; }
}
@keyframes glitch2 {
  0%,96%  { transform: none; opacity: 0; }
  97%     { transform: translateX(3px); opacity: 0.6; }
  99%     { transform: translateX(-3px); opacity: 0.6; }
  100%    { transform: none; opacity: 0; }
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 680px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-avatar { display: flex; justify-content: center; order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .project-card { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 58px; left: 0; right: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    padding: 1rem;
  }
  .nav-menu-btn { display: block; }
}