/* ══════════════════════════════════════
   SHIKHA SAHU — PORTFOLIO STYLESHEET
   ══════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --bg: #050810;
  --surface: #0a0f1e;
  --surface2: #0f1628;
  --border: rgba(255,255,255,0.07);
  --border-glow: rgba(82,196,255,0.3);
  --cyan: #52c4ff;
  --cyan-dim: rgba(82,196,255,0.12);
  --purple: #a855f7;
  --purple-dim: rgba(168,85,247,0.12);
  --green: #34d399;
  --green-dim: rgba(52,211,153,0.12);
  --pink: #f472b6;
  --pink-dim: rgba(244,114,182,0.12);
  --amber: #fbbf24;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --font-display: 'Cabinet Grotesk', sans-serif;
  --font-mono: 'Instrument Mono', monospace;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  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 0.1s, width 0.3s, height 0.3s, opacity 0.3s;
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed; width: 40px; height: 40px;
  border: 1.5px solid rgba(82,196,255,0.5);
  border-radius: 50%; pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform 0.18s ease, width 0.3s, height 0.3s, border-color 0.3s;
}
body:has(a:hover) #cursor { transform: translate(-50%,-50%) scale(2.5); opacity: 0.6; }
body:has(a:hover) #cursor-ring { width: 60px; height: 60px; border-color: rgba(168,85,247,0.6); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--cyan), var(--purple)); }

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ── NAVBAR ── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px; padding: 0 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  transition: all 0.4s ease;
}
#navbar.scrolled {
  background: rgba(5,8,16,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(82,196,255,0.08);
}
.logo {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.9rem; color: #fff;
  text-decoration: none; position: relative; overflow: hidden;
  transition: transform 0.3s;
}
.logo::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  opacity: 0; transition: opacity 0.4s;
}
.logo:hover { transform: rotate(10deg) scale(1.05); }
.logo:hover::after { opacity: 1; }
.logo span { position: relative; z-index: 1; }

.nav-links { display: flex; gap: 2.5rem; }
.nav-link {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em;
  color: var(--text-muted); text-decoration: none;
  position: relative; transition: color 0.2s; font-family: var(--font-mono);
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { transform: scaleX(1); }

/* ── HERO ── */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 0 2.5rem; position: relative; overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 65% 40%, rgba(82,196,255,0.055) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 70%, rgba(168,85,247,0.04) 0%, transparent 70%);
}

.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(82,196,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82,196,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

/* Floating orbs */
.orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); animation: orbFloat 8s ease-in-out infinite;
}
.orb1 { width: 500px; height: 500px; background: rgba(82,196,255,0.04); top: -100px; right: -100px; }
.orb2 { width: 400px; height: 400px; background: rgba(168,85,247,0.035); bottom: -50px; right: 200px; animation-delay: -4s; }

@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-20px,15px) scale(1.03); }
}

.hero-inner {
  max-width: 1240px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; position: relative; z-index: 1; padding-top: 5rem;
}

/* Status badge */
.status-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 18px; border-radius: 100px;
  border: 1px solid rgba(52,211,153,0.35);
  background: rgba(52,211,153,0.06);
  margin-bottom: 1.8rem;
  animation: fadeSlideUp 0.6s ease both;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}
.status-text { font-family: var(--font-mono); font-size: 0.72rem; color: var(--green); letter-spacing: 0.05em; }

.hero-name {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800; line-height: 1.0; letter-spacing: -0.03em;
  animation: fadeSlideUp 0.7s ease 0.1s both;
}
.hero-name .line1 { color: #fff; display: block; }
.hero-name .line2 {
  display: block;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(82,196,255,0.3));
}

.hero-role {
  font-family: var(--font-mono); font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--cyan); margin: 1rem 0 1.5rem;
  min-height: 1.8rem;
  animation: fadeSlideUp 0.7s ease 0.2s both;
}

.hero-bio {
  color: var(--text-muted); line-height: 1.75; font-size: 0.96rem;
  border-left: 2px solid rgba(82,196,255,0.4); padding-left: 1.2rem;
  margin-bottom: 2rem;
  animation: fadeSlideUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex; gap: 2.5rem; margin-bottom: 2.5rem;
  animation: fadeSlideUp 0.7s ease 0.35s both;
}
.stat-val { font-size: 2.6rem; font-weight: 800; color: #fff; line-height: 1; }
.stat-label { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); letter-spacing: 0.05em; }

.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
  animation: fadeSlideUp 0.7s ease 0.4s both;
}

.btn-primary {
  padding: 13px 30px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff; font-weight: 700; font-size: 0.88rem;
  text-decoration: none; position: relative; overflow: hidden;
  transition: transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 0 0 rgba(82,196,255,0);
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  opacity: 0; transition: opacity 0.3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(82,196,255,0.25); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary span { position: relative; z-index: 1; }

.btn-outline {
  padding: 13px 30px; border-radius: 12px;
  border: 1px solid var(--border); color: var(--text-dim);
  font-weight: 600; font-size: 0.88rem; text-decoration: none;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.2s;
}
.btn-outline:hover {
  border-color: rgba(82,196,255,0.4); color: var(--cyan);
  background: var(--cyan-dim); transform: translateY(-2px);
}

/* Code card (hero right) */
.code-card {
  position: relative;
  animation: fadeSlideUp 0.8s ease 0.5s both;
}
.code-card-inner {
  background: var(--surface); border-radius: 18px;
  border: 1px solid rgba(82,196,255,0.15); overflow: hidden;
  box-shadow: 0 0 60px rgba(82,196,255,0.06), 0 30px 60px rgba(0,0,0,0.4);
  transition: transform 0.4s ease, box-shadow 0.4s;
}
.code-card-inner:hover {
  transform: perspective(800px) rotateY(-4deg) rotateX(2deg) translateY(-4px);
  box-shadow: 0 0 80px rgba(82,196,255,0.1), 0 40px 80px rgba(0,0,0,0.5);
}
.code-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-bottom: 1px solid rgba(255,255,255,0.05);
  background: rgba(0,0,0,0.2);
}
.dot-r { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.dot-y { width: 12px; height: 12px; border-radius: 50%; background: #ffbd2e; }
.dot-g { width: 12px; height: 12px; border-radius: 50%; background: #28c840; }
.code-filename { font-family: var(--font-mono); font-size: 0.65rem; color: #4b5563; margin-left: 8px; }
.code-body { padding: 1.6rem; }
.code-body pre {
  font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.9;
  color: var(--text-dim); overflow-x: auto; margin: 0;
}
.kw { color: var(--purple); }
.fn { color: var(--cyan); }
.str { color: var(--green); }
.num { color: var(--amber); }

/* Floating badges */
.float-badge {
  position: absolute;
  background: rgba(10,15,30,0.96);
  border: 1px solid rgba(82,196,255,0.22);
  border-radius: 12px; padding: 10px 18px;
  display: flex; align-items: center; gap: 10px;
  backdrop-filter: blur(10px);
  animation: floatBadge 4s ease-in-out infinite;
}
@keyframes floatBadge {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.float-badge.top-right { top: -16px; right: -16px; animation-delay: 0s; }
.float-badge.bot-left { bottom: -14px; left: 10px; animation-delay: -2s; }

/* ── SECTIONS ── */
.section { padding: 7rem 2.5rem; }
.section-inner { max-width: 1240px; margin: 0 auto; }

.section-label {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.25em;
  color: var(--cyan); text-transform: uppercase; display: flex; align-items: center; gap: 10px;
}
.section-label::before {
  content: ''; width: 24px; height: 1px; background: var(--cyan);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: #fff;
  margin: 0.6rem 0 1rem; line-height: 1.1; letter-spacing: -0.02em;
}
.section-sub { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; max-width: 520px; }

/* ── PROJECT CARDS (3D flip) ── */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem; margin-top: 3rem;
}

.proj-wrapper {
  height: 480px; perspective: 1000px; cursor: pointer;
}
.proj-card-3d {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.proj-wrapper:hover .proj-card-3d { transform: rotateY(180deg); }

.proj-face {
  position: absolute; inset: 0; border-radius: 18px;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  overflow: hidden;
}

/* Front face */
.proj-front {
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: border-color 0.3s;
}

.proj-visual {
  height: 190px; display: flex; align-items: center; justify-content: center;
  position: relative; flex-shrink: 0;
}
.proj-visual-ring {
  position: absolute; border-radius: 50%; border: 1px solid;
}
.proj-icon { font-size: 3.5rem; position: relative; z-index: 1; }
.proj-tag-badge {
  position: absolute; top: 14px; left: 14px;
  border-radius: 6px; padding: 4px 10px;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em;
}

.proj-content { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.proj-title { font-weight: 700; font-size: 1.2rem; color: #fff; margin-bottom: 0.5rem; }
.proj-desc { color: var(--text-muted); font-size: 0.82rem; line-height: 1.65; margin-bottom: 1rem; flex: 1; }

.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 1rem; }
.tag {
  display: inline-flex; padding: 4px 10px; border-radius: 6px;
  font-size: 0.68rem; font-weight: 600; font-family: var(--font-mono);
  background: rgba(82,196,255,0.07); border: 1px solid rgba(82,196,255,0.15);
  color: var(--text-muted); transition: all 0.2s;
}
.tag:hover { background: rgba(82,196,255,0.15); color: var(--cyan); }

.proj-links { display: flex; gap: 1rem; }
.proj-link {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted);
  text-decoration: none; transition: color 0.2s;
}
.proj-link:hover { color: var(--cyan); }

/* Back face */
.proj-back {
  background: var(--surface2);
  border: 1px solid rgba(82,196,255,0.12);
  transform: rotateY(180deg);
  display: flex; flex-direction: column;
  justify-content: space-between;
  padding: 1.8rem;
}
.proj-back-badge {
  display: inline-block; border-radius: 6px; padding: 4px 10px;
  font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.12em; margin-bottom: 0.8rem;
}
.proj-back-title {
  font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 1.2rem;
}
.proj-feat {
  display: flex; gap: 10px; align-items: flex-start; margin-bottom: 0.8rem;
}
.proj-feat-dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; margin-top: 6px;
}
.proj-feat-text { font-size: 0.8rem; color: var(--text-dim); line-height: 1.55; }

.proj-back-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 0.5rem; }
.back-btn {
  padding: 9px 20px; border-radius: 10px; font-size: 0.78rem;
  font-weight: 600; text-decoration: none; font-family: var(--font-mono);
  transition: all 0.2s;
}
.back-btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
}
.back-btn-primary:hover { opacity: 0.85; transform: translateY(-2px); }
.back-btn-secondary {
  border: 1px solid var(--border); color: var(--text-dim);
  background: rgba(255,255,255,0.03);
}
.back-btn-secondary:hover { border-color: rgba(82,196,255,0.4); color: var(--cyan); }

.flip-hint {
  position: absolute; bottom: 14px; right: 16px;
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 6px;
  animation: hintPulse 2s ease-in-out infinite;
}
@keyframes hintPulse { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }

/* ── SKILLS ── */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem; margin-top: 3rem;
}

.skill-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.4rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  transition: opacity 0.4s;
}
.skill-card:hover { transform: translateY(-4px); }
.skill-card:hover::before { opacity: 1; }

.skill-card-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 1rem;
}
.skill-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.skill-cat { font-weight: 700; font-size: 0.88rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 7px; }

/* Platform cards */
.platform-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-top: 1.5rem;
}
.platform-card {
  border-radius: 14px; padding: 1.2rem;
  display: flex; align-items: center; gap: 14px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.platform-card:hover { transform: translateY(-3px); }
.platform-icon { font-size: 1.6rem; }
.platform-name { font-weight: 700; font-size: 0.88rem; }
.platform-stat { font-family: var(--font-mono); font-size: 0.7rem; margin-top: 2px; }

/* ── EXPERIENCE TIMELINE ── */
.exp-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
  margin-top: 3rem;
}

.timeline { position: relative; }
.timeline-line {
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--purple), transparent);
}

.timeline-item { margin-left: 2rem; position: relative; margin-bottom: 1.75rem; }
.timeline-dot {
  position: absolute; left: -30px; top: 28px;
  width: 12px; height: 12px; border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}

.exp-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.5rem;
  transition: border-color 0.3s, transform 0.3s;
}
.exp-card:hover { transform: translateX(4px); }

.exp-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.exp-role { font-weight: 700; font-size: 1rem; color: #fff; margin-bottom: 0.25rem; }
.exp-company { font-size: 0.83rem; font-weight: 600; margin-bottom: 0.8rem; }
.exp-bullets { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.exp-bullet { display: flex; gap: 8px; font-size: 0.79rem; color: var(--text-muted); line-height: 1.5; }
.bullet-dot { flex-shrink: 0; font-weight: 800; }
.exp-cert { margin-top: 0.9rem; }
.exp-cert a { font-size: 0.73rem; text-decoration: none; transition: text-decoration 0.2s; }
.exp-cert a:hover { text-decoration: underline; }

/* Cert cards */
.cert-list { display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: 2rem; }
.cert-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.1rem 1.4rem;
  display: flex; align-items: center; gap: 14px;
  transition: border-color 0.3s, transform 0.3s;
}
.cert-card:hover { transform: translateX(5px); }
.cert-icon {
  width: 38px; height: 38px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.cert-name { font-weight: 600; font-size: 0.88rem; color: #fff; }
.cert-issuer { font-size: 0.72rem; margin-top: 2px; }
.cert-issuer a { text-decoration: none; color: inherit; transition: text-decoration 0.2s; }
.cert-issuer a:hover { text-decoration: underline; }

/* Education */
.edu-card {
  border-radius: 16px; padding: 1.6rem;
  border: 1px solid rgba(82,196,255,0.2);
  background: linear-gradient(135deg, rgba(82,196,255,0.04), rgba(168,85,247,0.04));
  position: relative; overflow: hidden;
}
.edu-card::after {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0;
  width: 3px; background: linear-gradient(to bottom, var(--cyan), var(--purple));
}
.edu-degree { font-weight: 800; font-size: 1rem; color: #fff; }
.edu-uni { font-size: 0.85rem; font-weight: 600; color: var(--cyan); margin: 4px 0 10px; }
.edu-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.edu-meta span { font-family: var(--font-mono); font-size: 0.73rem; color: var(--text-muted); }
.edu-courses { margin-top: 0.8rem; font-size: 0.77rem; color: var(--text-muted); line-height: 1.6; }

/* ── CONTACT ── */
#contact { padding: 8rem 2.5rem; text-align: center; position: relative; }
.contact-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(82,196,255,0.04), transparent 70%);
}
.contact-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; }
.contact-title {
  font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 800; color: #fff;
  letter-spacing: -0.03em; line-height: 1.0; margin: 0.8rem 0 1.5rem;
}
.contact-title .gradient-word {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-sub { color: var(--text-muted); font-size: 1rem; line-height: 1.75; margin-bottom: 3rem; }
.contact-ctas { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.contact-info { display: flex; justify-content: center; align-items: center; gap: 1rem; flex-wrap: wrap; color: var(--text-muted); font-size: 0.82rem; margin-bottom: 1.5rem; }
.contact-links {
  display: flex; justify-content: center; align-items: center; gap: 2rem; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 1.5rem;
}
.contact-link { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.contact-link:hover { color: var(--cyan); }

/* Footer */
footer {
  text-align: center; padding: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted); font-size: 0.75rem; font-family: var(--font-mono);
}

/* ── ANIMATIONS ── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* Blinking cursor */
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .code-card { display: none; }
}
@media (max-width: 768px) {
  .exp-layout { grid-template-columns: 1fr; gap: 3rem; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
  .proj-wrapper { height: auto; perspective: none; }
  .proj-card-3d { transform: none !important; }
  .proj-face { position: relative; backface-visibility: visible; }
  .proj-back { transform: none; display: none; }
}