/* ========================================
   KAUSHAL SINGH — PREMIUM DARK PORTFOLIO
   Luxury editorial dark theme
   ======================================== */

/* --- CUSTOM PROPERTIES --- */
:root {
  --bg:         #08080c;
  --bg-elevated:#0e0e14;
  --bg-card:    #111118;
  --bg-card-2:  #16161f;
  --surface:    rgba(22, 22, 34, 0.82);
  --text:       #eae7e1;
  --text-dim:   #a9a4b8;
  --text-muted: #6e6980;
  --line:       rgba(255,255,255,0.07);
  --line-strong:rgba(255,255,255,0.12);
  --accent:     #c9a86c;
  --accent-soft:rgba(201,168,108,0.12);
  --accent-deep:#a07a3a;
  --accent-glow:rgba(201,168,108,0.25);
  --blue:       #6b8aff;
  --green:      #5cc98a;
  --shadow-sm:  0 4px 20px rgba(0,0,0,0.3);
  --shadow-md:  0 12px 40px rgba(0,0,0,0.4);
  --shadow-lg:  0 24px 80px rgba(0,0,0,0.55);
  --shadow-glow:0 0 60px rgba(201,168,108,0.08);
  --radius-sm:  0.5rem;
  --radius-md:  0.875rem;
  --radius-lg:  1.25rem;
  --radius-xl:  1.75rem;
  --radius-full:999px;
  --container:  1160px;
  --font-body:  'Manrope', system-ui, sans-serif;
  --font-display:'Playfair Display', Georgia, serif;
  --text-xs:    clamp(0.72rem, 0.7rem + 0.12vw, 0.82rem);
  --text-sm:    clamp(0.85rem, 0.82rem + 0.15vw, 0.95rem);
  --text-base:  clamp(0.95rem, 0.92rem + 0.16vw, 1.06rem);
  --text-lg:    clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  --text-xl:    clamp(1.6rem, 1.1rem + 1.3vw, 2.5rem);
  --text-2xl:   clamp(2rem, 1.2rem + 2vw, 3.2rem);
  --text-hero:  clamp(2.4rem, 1rem + 4vw, 4.8rem);
}

html[data-theme="light"] {
  --bg:         #f7f4ef;
  --bg-elevated:#ffffff;
  --bg-card:    #ffffff;
  --bg-card-2:  #f0ece5;
  --surface:    rgba(255,255,255,0.88);
  --text:       #1a1520;
  --text-dim:   #5e566a;
  --text-muted: #8a8396;
  --line:       rgba(0,0,0,0.08);
  --line-strong:rgba(0,0,0,0.14);
  --accent:     #9a7430;
  --accent-soft:rgba(154,116,48,0.1);
  --accent-deep:#7a5a20;
  --accent-glow:rgba(154,116,48,0.12);
  --blue:       #4d6de0;
  --green:      #2d8a55;
  --shadow-sm:  0 4px 20px rgba(30,20,10,0.06);
  --shadow-md:  0 12px 40px rgba(30,20,10,0.09);
  --shadow-lg:  0 24px 80px rgba(30,20,10,0.12);
  --shadow-glow:0 0 60px rgba(154,116,48,0.06);
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

/* --- GRAIN OVERLAY --- */
.grain-overlay {
  position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  opacity: 0.028;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px;
}
html[data-theme="light"] .grain-overlay { opacity: 0.018; }

/* --- CURSOR GLOW --- */
.cursor-glow {
  position: fixed;
  width: 600px; height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(201,168,108,0.06) 0%, transparent 65%);
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  opacity: 0;
}
.cursor-glow.active { opacity: 1; }
html[data-theme="light"] .cursor-glow {
  background: radial-gradient(circle, rgba(154,116,48,0.04) 0%, transparent 65%);
}

@media (pointer: coarse) { .cursor-glow { display: none; } }

/* --- SKIP LINK --- */
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 10000;
  padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--line);
}
.skip-link:focus { top: 1rem; }

/* --- LAYOUT --- */
.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}
.section {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  position: relative;
}
.section-alt {
  background: var(--bg-elevated);
}
.section-alt::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}
.section-alt::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* --- SECTION HEADERS --- */
.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 20ch;
}
.section-title em {
  font-style: italic;
  color: var(--accent);
}
.section-header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

/* ============= HEADER / NAV ============= */
.site-header {
  position: sticky; top: 0; z-index: 999;
  background: rgba(8,8,12,0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease;
}
html[data-theme="light"] .site-header {
  background: rgba(247,244,239,0.78);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}
.nav-shell {
  min-height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  position: relative;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  min-height: 44px;
}
.brand-mark {
  width: 2.6rem; height: 2.6rem;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-sm);
}
.brand-text {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-dot { color: var(--accent); }

.site-nav {
  display: flex; align-items: center; gap: 0.2rem;
}
.site-nav a {
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.25s, background 0.25s;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-actions {
  display: flex; align-items: center; gap: 0.5rem;
}
.theme-toggle {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}
html[data-theme="dark"] .theme-icon--sun { display: none; }
html[data-theme="light"] .theme-icon--moon { display: none; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  border-radius: 2px; background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============= HERO ============= */
.hero {
  padding-top: clamp(2rem, 5vw, 4.5rem);
  overflow: hidden;
}
.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background: var(--accent-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(92,201,138,0.5);
  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-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.05;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-subtitle {
  color: var(--text-dim);
  font-size: var(--text-lg);
  line-height: 1.7;
  margin: 0 0 2rem;
  max-width: 52ch;
}
.hero-subtitle strong { color: var(--text); font-weight: 600; }

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.78rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn-primary {
  color: #0e0e14;
  background: linear-gradient(135deg, var(--accent), #e0c080);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px var(--accent-glow);
}
.btn-ghost {
  color: var(--text-dim);
  border-color: var(--line);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--accent-soft);
}
.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

/* PORTRAIT */
.hero-portrait {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.portrait-frame {
  position: relative;
  width: min(100%, 380px);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.portrait-frame img {
  width: 100%; height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: 50% 10%;
  filter: contrast(1.05) saturate(0.9);
}
.portrait-border {
  position: absolute; inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(201,168,108,0.2);
  pointer-events: none;
}
.hero-float-card {
  position: absolute;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(14,14,20,0.85);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  z-index: 3;
}
html[data-theme="light"] .hero-float-card {
  background: rgba(255,255,255,0.88);
}
.float-label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.15rem;
}
.hero-float-card strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}
.hero-float-card small {
  color: var(--text-muted);
  font-size: var(--text-xs);
}
.float-card-role { top: 8%; left: -8%; }
.float-card-goal { bottom: 12%; right: -10%; }

/* STATS RIBBON */
.stats-ribbon {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: 1.8rem 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-2));
  box-shadow: var(--shadow-glow);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.stat-item { text-align: center; flex: 1; min-width: 120px; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 1.2vw, 2.6rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.stat-number::after { content: '+'; }
.stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.35rem;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--line-strong);
}

/* ============= ABOUT ============= */
.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-left .section-title { max-width: 16ch; }
.about-right p {
  color: var(--text-dim);
  margin: 0 0 1.2rem;
}
.about-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}
.detail-label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}
.detail-value {
  font-weight: 600;
  font-size: var(--text-sm);
}
.detail-value a {
  transition: color 0.2s;
}
.detail-value a:hover { color: var(--accent); }

/* GOAL BANNER */
.goal-banner {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: 2rem 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-soft);
  background: linear-gradient(135deg, var(--accent-soft), transparent 70%);
  display: flex; gap: 1.5rem; align-items: flex-start;
}
.goal-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}
.goal-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin: 0 0 0.5rem;
}
.goal-text p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--text-sm);
  line-height: 1.75;
}

/* ============= SKILLS ============= */
.skills-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.skill-category {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.skill-category:hover {
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-glow);
}
.skill-cat-title {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin: 0 0 1rem;
}
.skill-cat-title svg { color: var(--accent); flex-shrink: 0; }
.skill-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.skill-tag {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-dim);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.skill-tag:hover {
  border-color: var(--accent-soft);
  color: var(--text);
}
.skill-tag--primary {
  background: var(--accent-soft);
  border-color: rgba(201,168,108,0.2);
  color: var(--accent);
  font-weight: 600;
}

/* ============= PROJECTS ============= */
.projects-stack {
  display: grid; gap: 1.2rem;
}
.project-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.8rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.project-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.project-card--featured {
  border-color: rgba(201,168,108,0.15);
  background: linear-gradient(135deg, var(--bg-card), rgba(201,168,108,0.04));
}
.project-card--featured:hover {
  border-color: rgba(201,168,108,0.3);
  box-shadow: var(--shadow-glow);
}
.project-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 2rem + 1vw, 3.5rem);
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1;
  min-width: 3.5rem;
}
.project-meta { margin-bottom: 0.5rem; }
.project-type {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.project-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.project-body p {
  color: var(--text-dim);
  margin: 0 0 1rem;
  max-width: 65ch;
}
.project-tech {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-bottom: 1.2rem;
}
.project-tech span {
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--text-xs);
  font-weight: 600;
}
.project-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--accent);
  transition: gap 0.25s;
}
.project-link:hover { gap: 0.65rem; }
.project-link svg { transition: transform 0.25s; }
.project-link:hover svg { transform: translate(2px, -2px); }

/* ============= EXPERIENCE ============= */
.exp-timeline { display: grid; gap: 0; }
.exp-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1.5rem;
}
.exp-marker {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 0.35rem;
}
.exp-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg-card-2);
  border: 2px solid var(--text-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.exp-dot--active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.exp-line {
  width: 1px; flex: 1;
  background: var(--line-strong);
  margin: 4px 0;
}
.exp-content {
  padding: 1.5rem 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  margin-bottom: 1.2rem;
}
.exp-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.exp-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
}
.exp-company {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: var(--text-sm);
}
.exp-date {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}
.exp-content p {
  color: var(--text-dim);
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
}
.exp-cert-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.2s;
}
.exp-cert-link:hover { gap: 0.6rem; }

/* ============= EDUCATION ============= */
.edu-layout { max-width: 800px; }
.edu-cards {
  display: grid; gap: 0.75rem;
  margin-top: 2rem;
}
.edu-card {
  padding: 1.5rem 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  display: flex; align-items: center; gap: 1.5rem;
}
.edu-card--primary {
  border-color: rgba(201,168,108,0.2);
  background: linear-gradient(135deg, var(--bg-card), rgba(201,168,108,0.04));
}
.edu-year {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  min-width: 110px;
}
.edu-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 0.15rem;
}
.edu-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* ============= CERTIFICATIONS ============= */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.cert-card {
  padding: 1.3rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg-card);
  display: flex; flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.cert-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.cert-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.cert-issuer {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.cert-card strong {
  font-size: var(--text-sm);
  line-height: 1.4;
  font-weight: 600;
}

/* ============= ACHIEVEMENTS ============= */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.achievement-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.achievement-card:hover {
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-glow);
}
.achievement-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1rem;
}
.achievement-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.achievement-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--text-sm);
  line-height: 1.65;
}

/* ============= BLOG ============= */
.blog-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  grid-template-rows: auto auto;
  gap: 0.8rem;
}
.blog-card {
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.blog-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.blog-card--featured {
  grid-row: 1 / 3;
  border-color: rgba(201,168,108,0.15);
  background: linear-gradient(180deg, var(--bg-card), rgba(201,168,108,0.03));
}
.blog-date {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.blog-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 0.75rem;
  line-height: 1.3;
}
.blog-card p {
  margin: 0 0 1rem;
  color: var(--text-dim);
  font-size: var(--text-sm);
  line-height: 1.7;
}
.blog-tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.blog-tags span {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
}

/* ============= CONTACT ============= */
.contact-layout {
  padding: 3rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--accent-soft);
  background: linear-gradient(135deg, rgba(201,168,108,0.06), transparent 50%);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}
.contact-content p {
  color: var(--text-dim);
  margin: 0 0 1.5rem;
  max-width: 50ch;
}
.contact-links {
  display: grid; gap: 0.5rem;
}
.contact-link-item {
  display: inline-flex; align-items: center; gap: 0.65rem;
  padding: 0.5rem 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
}
.contact-link-item:hover { color: var(--accent); }
.contact-link-item svg { color: var(--accent); flex-shrink: 0; }

.contact-cta {
  display: flex; align-items: center; justify-content: center;
}

/* ============= FOOTER ============= */
.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  color: var(--text-muted);
  font-size: var(--text-xs);
}
.back-top {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s;
}
.back-top:hover { color: var(--accent); }

/* ============= ANIMATIONS ============= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s,
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}
.reveal-delay.visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
a, button { transition: color 0.25s, background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s; }

/* ============= RESPONSIVE ============= */
@media (max-width: 1024px) {
  .hero-layout,
  .about-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; margin-bottom: 1rem; }
  .portrait-frame { max-width: 340px; margin: 0 auto; }
  .float-card-role { left: 0; top: auto; bottom: 65%; }
  .float-card-goal { right: 0; bottom: 5%; }
  .skills-mosaic,
  .achievements-grid,
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card--featured { grid-row: auto; }
  .about-details { grid-template-columns: repeat(2, 1fr); }
  .section-title { max-width: none; }
  .contact-cta { justify-content: flex-start; }
}

@media (max-width: 700px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem; right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: rgba(14,14,20,0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
  }
  html[data-theme="light"] .site-nav {
    background: rgba(255,255,255,0.95);
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 0.55rem 0.8rem;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
  }
  .skills-mosaic,
  .achievements-grid,
  .cert-grid,
  .about-details { grid-template-columns: 1fr; }
  .project-card {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .project-number {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }
  .hero-portrait { position: relative; }
  .hero-float-card {
    position: static;
    width: 100%; max-width: 100%;
    margin-top: 0.5rem;
  }
  .portrait-frame { max-width: 280px; }
  .stats-ribbon {
    padding: 1.5rem;
    gap: 1.5rem;
    justify-content: center;
  }
  .stat-divider { display: none; }
  .stat-item { min-width: 80px; }
  .goal-banner {
    flex-direction: column;
    padding: 1.5rem;
  }
  .edu-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .edu-year { min-width: auto; }
  .contact-layout {
    padding: 2rem 1.5rem;
    grid-template-columns: 1fr;
  }
  .footer-inner {
    justify-content: center;
    text-align: center;
  }
  .exp-header { flex-direction: column; gap: 0.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-delay { opacity: 1; transform: none; transition: none; }
  .cursor-glow { display: none; }
  * { animation: none !important; transition-duration: 0.01ms !important; }
}