/* ============================================================
   BHUPINDER SINGH — PORTFOLIO
   Dark refined · Cyan accent · Editorial layout
   ============================================================ */

:root {
  /* surfaces */
  --bg:           #070a16;
  --bg-2:         #0a0f1e;
  --surface:      #0d1224;
  --surface-2:    #11172c;
  --surface-3:    #161d36;
  --elevated:     #1a2240;

  /* lines */
  --border:       #1f2942;
  --border-2:     #2a3556;
  --border-glow:  rgba(34, 211, 238, 0.18);

  /* text */
  --text:         #e6e9f2;
  --text-2:       #b8c0d4;
  --muted:        #8b94a9;
  --dim:          #5d6582;

  /* accents */
  --cyan:         #22d3ee;
  --cyan-2:       #67e8f9;
  --cyan-soft:    rgba(34, 211, 238, 0.12);
  --cyan-glow:    rgba(34, 211, 238, 0.35);
  --emerald:      #34d399;
  --emerald-soft: rgba(52, 211, 153, 0.12);

  /* type */
  --display: 'Sora', ui-sans-serif, system-ui, sans-serif;
  --body:    'Manrope', ui-sans-serif, system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* misc */
  --radius:     14px;
  --radius-lg:  20px;
  --radius-sm:  8px;
  --max:        1180px;
  --shadow:     0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px -10px var(--cyan-glow);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  padding-top: 68px;
}

::selection {
  background: var(--cyan-soft);
  color: var(--cyan-2);
}

img { max-width: 100%; display: block; }

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color .18s ease, opacity .18s ease;
}

a:hover { color: var(--cyan-2); }

button { font-family: inherit; }

/* ============================================================
   BACKGROUND ATMOSPHERE
   ============================================================ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 85%);
}

.bg-glow {
  position: fixed;
  z-index: 0;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(34, 211, 238, 0.15), transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(52, 211, 153, 0.08), transparent 60%);
  filter: blur(60px);
  animation: glowDrift 18s ease-in-out infinite alternate;
}

@keyframes glowDrift {
  0%   { transform: translateX(-50%) translateY(0)    rotate(0deg); }
  100% { transform: translateX(-50%) translateY(40px) rotate(8deg); }
}

main, .footer { position: relative; z-index: 1; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 36px;
  background: rgba(7, 10, 22, 0.65);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: border-color .25s ease, background .25s ease, padding .25s ease;
}

.nav.scrolled {
  background: rgba(7, 10, 22, 0.85);
  border-bottom-color: var(--border);
  padding: 14px 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 16px;
}

.brand:hover { color: var(--text); }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--emerald));
  color: var(--bg);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0;
  box-shadow: 0 4px 18px -4px var(--cyan-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
}

.nav-links a:not(.nav-cta):after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width .2s ease;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover:after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text) !important;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.nav-cta:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  transform: translateY(-1px);
}

.nav-cta span { color: var(--cyan); }

/* overlay hidden by default on desktop */
.nav-overlay { display: none; }

/* mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  width: 32px; height: 32px;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 6px;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 15px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.open span:nth-child(1) { top: 15px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 15px; transform: rotate(-45deg); }

/* ============================================================
   LAYOUT
   ============================================================ */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 36px;
}

.section {
  padding: 100px 0 40px;
  scroll-margin-top: 80px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 60px 0 80px;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  scroll-margin-top: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  width: 100%;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 80px;
    align-items: center;
  }
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 32px;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.85); }
}

.hero-name {
  font-family: var(--display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 24px 0;
  color: var(--text);
}

.cursor-dot {
  color: var(--cyan);
  font-weight: 800;
}

.hero-role {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: clamp(16px, 2vw, 20px);
  margin-bottom: 28px;
}

.role-label {
  color: var(--dim);
  font-weight: 400;
}

.role-typed {
  color: var(--cyan);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.role-cursor {
  display: inline-block;
  color: var(--cyan);
  animation: blink 1s steps(2) infinite;
  margin-left: 2px;
  font-weight: 400;
}

@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.hero-tagline {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 640px;
  margin: 0 0 32px 0;
}

.hl {
  color: var(--text);
  font-weight: 600;
  position: relative;
}

.hl-mono {
  font-family: var(--mono);
  color: var(--cyan);
  font-weight: 500;
  font-size: 0.95em;
}

.hero-meta {
  display: grid;
  gap: 10px;
  margin: 0 0 36px 0;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface) 0%, rgba(13, 18, 36, 0.4) 100%);
  max-width: 640px;
}

.meta-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: baseline;
  font-size: 14px;
}

.meta-key {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meta-val {
  color: var(--text-2);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 10px;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 8px 24px -8px var(--cyan-glow);
}
.btn-primary:hover {
  background: var(--cyan-2);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px var(--cyan-glow);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-2);
  color: var(--text);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--cyan);
  color: var(--text);
  transform: translateY(-2px);
}

.btn-line {
  background: transparent;
  border-color: var(--border-2);
  color: var(--text-2);
}
.btn-line:hover {
  border-color: var(--text-2);
  color: var(--text);
  transform: translateY(-2px);
}

/* hero right */
.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  position: relative;
}

.photo-frame {
  position: relative;
  width: clamp(220px, 28vw, 320px);
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: visible;
  background: var(--surface);
}

.photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-2);
  filter: contrast(1.02) saturate(0.92);
  box-shadow: var(--shadow), 0 0 60px -20px var(--cyan-glow);
}

.photo-corner {
  position: absolute;
  width: 20px; height: 20px;
  border: 1px solid var(--cyan);
}
.photo-corner-tl { top: -8px;    left: -8px;    border-right: 0; border-bottom: 0; }
.photo-corner-tr { top: -8px;    right: -8px;   border-left: 0;  border-bottom: 0; }
.photo-corner-bl { bottom: -8px; left: -8px;    border-right: 0; border-top: 0; }
.photo-corner-br { bottom: -8px; right: -8px;   border-left: 0;  border-top: 0; }

.badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.badge-num {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.badge-text {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   SECTION HEAD
   ============================================================ */
.section-head, .section-subhead {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 36px;
}

.section-subhead {
  margin-top: 80px;
}

.section-num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--cyan);
  padding: 4px 10px;
  border: 1px solid var(--border-glow);
  border-radius: 6px;
  background: var(--cyan-soft);
  letter-spacing: 0.05em;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

.section-intro {
  color: var(--muted);
  font-size: 16px;
  max-width: 720px;
  margin: 0 0 36px 0;
  line-height: 1.65;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 880px) {
  .about-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
  }
}

.about-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-2);
  margin: 0 0 20px 0;
}

.about-lead:last-child { margin-bottom: 0; }

.about-side {
  display: grid;
  gap: 22px;
  align-content: start;
}

.side-block {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.side-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.side-title {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.side-sub {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.side-detail {
  font-size: 14px;
  color: var(--text-2);
  margin-top: 4px;
}

.side-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-block;
  padding: 5px 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* ============================================================
   TECH STACK
   ============================================================ */
.stack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 700px)  { .stack-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .stack-grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }

.stack-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .25s ease, transform .25s ease;
}

.stack-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.stack-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mono-tag {
  display: inline-block;
  padding: 5px 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.mono-tag:hover {
  background: var(--cyan-soft);
  color: var(--cyan);
  border-color: var(--border-glow);
}

.mono-tag-sm {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
}

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.timeline {
  display: grid;
  gap: 28px;
}

.exp-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  position: relative;
}

.exp-item:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

@media (min-width: 800px) {
  .exp-item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    padding: 32px;
  }
}

.exp-date {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-self: start;
}

.date-line {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.date-loc {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--dim);
  letter-spacing: 0.02em;
}

.exp-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 6px 0;
  color: var(--text);
}

.exp-org {
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 14px;
  font-weight: 500;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.exp-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.exp-bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-2);
}

.exp-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--cyan);
}

.exp-bullets li strong {
  color: var(--text);
  font-weight: 600;
}

.exp-links {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, gap .2s ease;
}

.link-arrow:hover {
  border-color: var(--cyan);
  gap: 10px;
}

.link-arrow-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--cyan);
}

.link-arrow-sm:hover { color: var(--cyan-2); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

@media (min-width: 880px) { .projects-grid { grid-template-columns: 1fr 1fr; } }

.project-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

.project-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.project-card:hover::before { opacity: 1; }

.project-head {
  margin-bottom: 12px;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.project-num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
}

.project-type {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.25;
  color: var(--text);
}

.project-lead {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0 0 16px 0;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.project-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.project-bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

.project-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--cyan);
}

.metric {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--emerald);
  font-size: 0.95em;
  letter-spacing: -0.01em;
}

.project-why {
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: var(--cyan-soft);
  border-radius: 0 8px 8px 0;
  margin-bottom: 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
}

.why-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: auto;
}

/* MINI cards */
.mini-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 680px)  { .mini-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .mini-grid { grid-template-columns: 1fr 1fr 1fr; } }

.mini-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .25s ease, transform .25s ease;
}

.mini-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.mini-title {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px 0;
  color: var(--text);
}

.mini-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 14px 0;
  flex: 1;
}

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

.contact-headline {
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 20px 0;
}

.contact-sub {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  max-width: 480px;
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.contact-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: background .2s ease;
}

.contact-row:last-child { border-bottom: 0; }

.contact-row:hover:not(.contact-row-static) {
  background: var(--surface-2);
  color: var(--text);
}

.contact-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-val {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-arrow {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 14px;
  transition: transform .2s ease;
}

.contact-row:hover .contact-arrow {
  transform: translate(2px, -2px);
}

.contact-row-static {
  color: var(--text-2);
  cursor: default;
}
.contact-row-static .contact-val { color: var(--text-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, var(--bg-2));
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 36px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand {
  font-family: var(--display);
  font-weight: 600;
  color: var(--text);
}

.footer-mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}

.footer-right {
  display: flex;
  gap: 22px;
}

.footer-right a {
  color: var(--muted);
  font-size: 14px;
}

.footer-right a:hover { color: var(--cyan); }

.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 36px 32px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.btt {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 40;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: 12px;
  color: var(--cyan);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.4);
}

.btt.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.btt:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  box-shadow: 0 8px 24px -4px var(--cyan-glow);
  transform: translateY(-2px);
}

.btt:active {
  transform: translateY(0);
}

@media (max-width: 760px) {
  .btt {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .bg-glow { animation: none; }
  .status-dot, .role-cursor { animation: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  body { padding-top: 58px; }
  main { padding: 0 24px; }
  .nav { padding: 14px 24px; }
  .nav.scrolled { padding: 12px 24px; }
  .footer-inner, .footer-bottom { padding-left: 24px; padding-right: 24px; }
  .section { padding: 70px 0 30px; }
  .hero { padding: 30px 0 60px; min-height: auto; }
}

@media (max-width: 760px) {
  body { padding-top: 54px; }
  .nav-toggle { display: block; }

  .nav {
    background: var(--bg) !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 260px;
    background: var(--surface);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 28px;
    gap: 22px;
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 40;
  }

  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 16px; }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(0, 0, 0, 0.5);
  }

  .nav-overlay.open {
    display: block;
  }

  .hero-grid { gap: 40px; }
  .hero-right { order: -1; }
  .photo-frame { width: 180px; }
  .badge { padding: 12px 18px; gap: 12px; }
  .badge-num { font-size: 28px; }

  .meta-row {
    grid-template-columns: 70px 1fr;
    gap: 10px;
    font-size: 13px;
  }

  .section-head, .section-subhead { gap: 12px; }

  .exp-item, .project-card { padding: 22px; }
  .exp-title, .project-title { font-size: 19px; }

  .contact-row {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 16px 18px;
  }
  .contact-label { grid-column: 1 / -1; margin-bottom: 2px; }
  .contact-val { white-space: normal; word-break: break-all; font-size: 13.5px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 460px) {
  main { padding: 0 18px; }
  .nav { padding: 12px 18px; }
  .nav.scrolled { padding: 10px 18px; }
  .footer-inner, .footer-bottom { padding-left: 18px; padding-right: 18px; }

  .brand-name { display: none; }

  .hero-name { font-size: 44px; }
  .hero-tagline { font-size: 15px; }
  .hero-meta { padding: 18px 18px; }

  .btn { padding: 11px 16px; font-size: 13px; }

  .photo-frame { width: 150px; }
}