/* ═══════════════════════════════════════
   PORTFOLIO — Shared Styles
   Dark: space/stars/moon
   Light: sky/clouds/sun
═══════════════════════════════════════ */

@import url('font_orbitron-syne.css');

/* ── CSS Variables ── */
:root {
  /* Dark mode (default) */
  --bg: #04060f;
  --bg2: #070b1a;
  --surface: rgba(255,255,255,0.04);
  --surface2: rgba(255,255,255,0.07);
  --border: rgba(100,160,255,0.13);
  --accent: #4f8fff;
  --accent2: #a066ff;
  --text: #e8eeff;
  --text2: #b0bedd;
  --muted: #6878a8;
  --nav-bg: rgba(4,6,15,0.80);
  --card-hover: rgba(79,143,255,0.06);
  --shadow: 0 16px 48px rgba(0,0,0,0.5);
  transition: background 0.5s, color 0.5s;
}

body.light-mode {
  --bg: #cbdef7;
  --bg2: #e8f2ff;
  --surface: rgba(255,255,255,0.55);
  --surface2: rgba(255,255,255,0.75);
  --border: rgba(60,120,220,0.18);
  --accent: #1a6fdf;
  --accent2: #7c3aed;
  --text: #0f1c38;
  --text2: #2e4070;
  --muted: #5570a0;
  --nav-bg: rgba(220,232,248,0.85);
  --card-hover: rgba(26,111,223,0.05);
  --shadow: 0 8px 32px rgba(60,120,200,0.15);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Syne', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background 0.5s, color 0.4s;
}

/* ── Canvas (stars / clouds) ── */
#sky-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.8s;
}

/* ── Nebula / Gradient bg ── */
.nebula {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.6s, background 0.6s;
}
.nebula-1 { width: 550px; height: 550px; background: var(--accent2); top: -160px; right: -140px; }
.nebula-2 { width: 450px; height: 450px; background: var(--accent); bottom: -80px; left: -120px; }
body.light-mode .nebula { opacity: 0.08; }
body.light-mode .nebula-1 { background: #90caf9; }
body.light-mode .nebula-2 { background: #ffe082; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 2.5rem;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, border 0.4s;
}
.nav-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo span { color: var(--accent2); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* ── Theme Toggle ── */
.theme-toggle {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 48px; height: 26px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s;
  flex-shrink: 0;
}
.theme-toggle::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.3s, background 0.3s;
}
body.light-mode .theme-toggle::before { transform: translateX(22px); background: #f59e0b; }
.theme-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
  font-size: 0.65rem;
  pointer-events: none;
  user-select: none;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 57px; left: 0; right: 0;
  z-index: 190;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 2rem;
  flex-direction: column;
  gap: 1.2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover,
.mobile-menu a.active { color: var(--accent); }
.mobile-menu a:last-child { border-bottom: none; }

/* ── Page wrapper ── */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

section {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

/* ── Section heading ── */
.sec-label {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.sec-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.sec-title span { color: var(--accent2); }
.sec-line {
  width: 44px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  margin-bottom: 2.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.6rem;
  border-radius: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: 'Syne', sans-serif;
  font-weight: 500;
  transition: all 0.25s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.15); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,143,255,0.35); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(79,143,255,0.08); transform: translateY(-2px); }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(79,143,255,0.3);
  box-shadow: var(--shadow);
  background: var(--card-hover);
}

/* ── Tags ── */
.tag {
  font-size: 0.7rem;
  padding: 0.28rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  background: var(--surface);
  letter-spacing: 0.04em;
  transition: all 0.2s;
  white-space: nowrap;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }
.ptag {
  font-size: 0.65rem;
  padding: 0.2rem 0.55rem;
  background: rgba(79,143,255,0.1);
  border: 1px solid rgba(79,143,255,0.22);
  border-radius: 3px;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.8rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  background: var(--nav-bg);
}
footer span { color: var(--accent); }

/* ─────────────────────────
   SCROLLBAR
───────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(79,143,255,0.35); border-radius: 4px; }

/* ═══════════════════════════════════════
   HOME PAGE
═══════════════════════════════════════ */
.home-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 4rem;
  gap: 0;
}
.home-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}
.home-badge {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(79,143,255,0.3);
  padding: 0.32rem 0.85rem;
  border-radius: 3px;
  margin-bottom: 1.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  animation: fadeUp 0.8s ease both;
}
.home-badge::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.3; transform:scale(0.6); }
}
.home-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  animation: fadeUp 0.9s 0.1s ease both;
}
.home-title .accent { color: var(--accent); }
.home-title .accent2 { color: var(--accent2); }
.home-sub {
  font-size: clamp(0.95rem, 2.2vw, 1.25rem);
  color: var(--muted);
  font-weight: 300;
  margin-bottom: 1.4rem;
  animation: fadeUp 1s 0.2s ease both;
}
.home-desc {
  max-width: 480px;
  line-height: 1.78;
  color: var(--text2);
  font-size: 0.9rem;
  margin-bottom: 2.2rem;
  animation: fadeUp 1s 0.3s ease both;
}
.btn-row {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  animation: fadeUp 1s 0.4s ease both;
}

/* Avatar */
.home-avatar {
  animation: fadeUp 0.9s 0.2s ease both;
  flex-shrink: 0;
}
.avatar-ring {
  width: 220px; height: 220px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  position: relative;
}
.avatar-ring::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(79,143,255,0.2);
  animation: rotateBorder 8s linear infinite;
}
.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px dashed rgba(160,102,255,0.15);
  animation: rotateBorder 14s linear infinite reverse;
}
@keyframes rotateBorder {
  to { transform: rotate(360deg); }
}
.avatar-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg2);
}
.avatar-inner img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.avatar-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: linear-gradient(135deg, var(--bg2), rgba(79,143,255,0.1));
}

/* Scroll hint */
.scroll-hint {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeUp 1s 0.9s ease both;
}
.scroll-hint .line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2.2s infinite;
}
@keyframes scrollLine {
  0%   { opacity:0; transform:scaleY(0); transform-origin:top; }
  50%  { opacity:1; transform:scaleY(1); transform-origin:top; }
  100% { opacity:0; transform:scaleY(1); transform-origin:bottom; }
}

/* ═══════════════════════════════════════
   ABOUT PAGE
═══════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.about-photo {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.about-avatar-ring {
  width: 260px; height: 260px;
  border-radius: 16px;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  position: relative;
}
.about-avatar-ring .avatar-inner {
  border-radius: 13px;
}
.about-text p {
  color: var(--text2);
  line-height: 1.85;
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 1.8rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,143,255,0.05), transparent);
}
.stat-num {
  font-family: 'Orbitron', monospace;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 0.72rem; color: var(--muted); margin-top: 0.25rem; }
.about-skills-wrap { margin-top: 2rem; }
.about-skills-wrap h4 {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }

/* ═══════════════════════════════════════
   PROJECTS PAGE
═══════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.3rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s, background 0.3s;
  cursor: default;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79,143,255,0.3);
  box-shadow: var(--shadow);
}
.project-card:hover::before { transform: scaleX(1); }
.project-icon { font-size: 1.8rem; margin-bottom: 0.9rem; }
.project-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
  color: var(--text);
}
.project-desc {
  font-size: 0.82rem;
  color: var(--text2);
  line-height: 1.68;
  margin-bottom: 1.1rem;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1.1rem; }
.project-links { display: flex; gap: 0.9rem; }
.plink {
  font-size: 0.7rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}
.plink:hover { color: var(--accent); }
.plink svg { width: 11px; height: 11px; }

/* ═══════════════════════════════════════
   CERTIFICATES PAGE  — Auto Carousel
═══════════════════════════════════════ */
.cert-carousel-wrap {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.cert-track {
  display: flex;
  gap: 1.1rem;
  animation: scrollCerts 30s linear infinite;
  width: max-content;
}
.cert-track:hover { animation-play-state: paused; }

/* Duplicate for seamless loop */
.cert-track.paused { animation-play-state: paused; }

@keyframes scrollCerts {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.3rem;
  min-width: 230px;
  max-width: 230px;
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  cursor: default;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.cert-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(160,102,255,0.04), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.cert-card:hover { border-color: rgba(160,102,255,0.3); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
.cert-card:hover::after { opacity: 1; }
.cert-icon {
  width: 34px; height: 34px;
  min-width: 34px;
  border-radius: 5px;
  background: linear-gradient(135deg, rgba(79,143,255,0.18), rgba(160,102,255,0.18));
  border: 1px solid rgba(79,143,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-top: 0.1rem;
}
.cert-info { flex: 1; min-width: 0; }
.cert-name {
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 0.22rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.cert-issuer { font-size: 0.68rem; color: var(--muted); }
.cert-year {
  font-size: 0.62rem;
  color: var(--accent2);
  font-family: 'Orbitron', monospace;
  margin-top: 0.2rem;
}

/* Fade edges */
.cert-carousel-wrap::before,
.cert-carousel-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.cert-carousel-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}
.cert-carousel-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

/* Second row */
.cert-row2 { animation-direction: reverse; animation-duration: 26s; }

/* ═══════════════════════════════════════
   CONTACT PAGE
═══════════════════════════════════════ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-intro { color: var(--text2); font-size: 0.9rem; line-height: 1.8; margin-bottom: 1.8rem; }
.contact-links { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text2);
  text-decoration: none;
  font-size: 0.82rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  transition: all 0.25s;
}
.contact-link:hover { border-color: rgba(79,143,255,0.35); color: var(--accent); transform: translateX(4px); }
.contact-link .ci { font-size: 1.1rem; width: 20px; text-align: center; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.38rem; }
.form-group label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.72rem 0.95rem;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s, background 0.3s;
  resize: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: rgba(79,143,255,0.5); background: var(--surface2); }
.form-group textarea { height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.form-submit {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  padding: 0.78rem 2rem;
  border-radius: 5px;
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s;
  font-weight: 600;
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,143,255,0.35); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-msg {
  font-size: 0.8rem;
  padding: 0.6rem 0.9rem;
  border-radius: 5px;
  display: none;
}
.form-msg.success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #22c55e; display: block; }
.form-msg.error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #ef4444; display: block; }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 0.8rem 1.2rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-right { gap: 0.9rem; }

  section { padding: 5.5rem 1.2rem 3rem; }

  /* Home */
  .home-inner { grid-template-columns: 1fr; gap: 2rem; }
  .home-avatar { order: -1; display: flex; justify-content: center; }
  .avatar-ring { width: 150px; height: 150px; }
  .home-title { font-size: 2.2rem; }
  .btn-row { gap: 0.7rem; }
  .btn { padding: 0.65rem 1.2rem; font-size: 0.72rem; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-avatar-ring { width: 180px; height: 180px; margin: 0 auto; }
  .about-stats { grid-template-columns: 1fr 1fr; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Certs */
  .cert-card { min-width: 200px; max-width: 200px; }

  /* Contact */
  .contact-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .home-title { font-size: 1.9rem; }
  .avatar-ring { width: 130px; height: 130px; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 0.7rem; }
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}