/* ===================================================
   AASHAR PAMIDIPARTI — PORTFOLIO
   Design System & Global Styles
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;1,9..144,300;1,9..144,400&display=swap');

/* ─── Custom Properties ─────────────────────────── */
:root {
  --bg:           #0A0A0A;
  --bg-2:         #111111;
  --bg-3:         #181818;
  --surface:      #1E1E1E;
  --border:       #2A2A2A;
  --border-light: #333333;

  --text-primary:   #F2F0EC;
  --text-secondary: #A8A5A0;
  --text-muted:     #606060;

  --accent:       #C9A96E;
  --accent-dim:   rgba(201, 169, 110, 0.15);
  --accent-glow:  rgba(201, 169, 110, 0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;

  --nav-h: 64px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --max-w: 1100px;
  --max-w-text: 720px;
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

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

/* ─── Selection ─────────────────────────────────── */
::selection { background: var(--accent-dim); color: var(--accent); }

/* ─── Typography ────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { font-size: 1rem; line-height: 1.8; color: var(--text-secondary); }

.label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.caption { font-size: 0.85rem; color: var(--text-muted); }

/* ─── Layout Utilities ───────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.container-text {
  max-width: var(--max-w-text);
  margin: 0 auto;
  padding: 0 2rem;
}
.section {
  padding: 7rem 0;
}
.section-sm {
  padding: 4rem 0;
}
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

/* ─── Navigation ────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color 0.3s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color 0.2s ease;
}
.nav-logo:hover { color: var(--accent); }
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
  letter-spacing: 0.02em;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-3);
}
.nav-contact-btn {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  padding: 0.4rem 1rem;
  border: 1px solid rgba(201, 169, 110, 0.4);
  border-radius: var(--radius-sm);
  margin-left: 0.5rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-contact-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link {
  font-size: 0.9rem;
  padding: 0.6rem 0.5rem;
}

/* ─── Footer ─────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 2rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-secondary);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-link {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer-link:hover { color: var(--accent); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
  margin-top: 1rem;
}

/* ─── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--accent);
  color: #0A0A0A;
}
.btn-primary:hover {
  background: #d4b47a;
  transform: translateY(-1px);
}
.btn-ghost {
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  background: var(--bg-3);
}
.btn-accent-outline {
  color: var(--accent);
  border: 1px solid rgba(201, 169, 110, 0.4);
}
.btn-accent-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* ─── Hero ───────────────────────────────────────── */
.hero {
  min-height: auto;
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 1.5rem;
  display: flex;
  align-items: center;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  padding: 1.5rem 0;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  white-space: nowrap;
}
.hero-eyebrow .label {
  white-space: nowrap;
  font-size: clamp(0.58rem, 1.25vw, 0.7rem);
}
@media (max-width: 820px) {
  .hero-eyebrow,
  .hero-eyebrow .label {
    white-space: normal;
  }
}
.hero-eyebrow-line {
  width: 2rem;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}
.hero-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero-name em {
  font-style: italic;
  color: var(--accent);
}

#selected-work {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
#selected-work .section-title {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}
.hero-subtitle {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.hero-subtitle .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.hero-intro {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.5rem;
}
.hero-intro strong {
  color: var(--text-primary);
  font-weight: 500;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-portrait-wrap {
  width: 280px;
  flex-shrink: 0;
  margin-top: 0.5rem;
}
.hero-portrait {
  width: 280px;
  height: 255px;
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--radius-lg);
  filter: grayscale(15%) contrast(1.05);
  border: 1px solid var(--border);
}
.hero-portrait-bg {
  position: relative;
  display: inline-block;
}
.hero-portrait-bg::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  z-index: -1;
}

/* ─── Section Header ─────────────────────────────── */
.section-header {
  margin-bottom: 4rem;
}
.section-header .label {
  display: block;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--text-secondary);
  max-width: 480px;
  font-size: 0.95rem;
}
#selected-work .section-subtitle,
#questions .section-subtitle,
.section-subtitle.single-line {
  max-width: none;
  white-space: nowrap;
}
@media (max-width: 820px) {
  #selected-work .section-subtitle,
  #questions .section-subtitle,
  .section-subtitle.single-line {
    white-space: normal;
  }
}

/* ─── Project Cards ──────────────────────────────── */
.projects-grid {
  display: grid;
  gap: 1.5px;
}
.project-card {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: start;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s ease;
  position: relative;
}
.project-card:not(:has(.project-num)),
.project-card.no-num {
  grid-template-columns: 1fr auto;
}
.project-card:first-child { border-top: 1px solid var(--border); }
.project-card:hover .project-num { color: var(--accent); }
.project-card:hover .project-title { color: var(--accent); }
.project-card:hover .project-arrow { transform: translate(3px, -3px); color: var(--accent); }
.project-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1;
  transition: color 0.2s ease;
  padding-top: 0.25rem;
}
.project-content { flex: 1; }
.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}
.project-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}
.project-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.65; max-width: 820px; }
.project-desc p + p { margin-top: 0.75rem; }
.project-arrow {
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: transform 0.25s var(--ease-out), color 0.2s ease;
  margin-top: 0.25rem;
}

/* ─── Metric Cards ───────────────────────────────── */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.metric-card {
  background: var(--bg-2);
  padding: 2.5rem 2rem;
  text-align: center;
}
.metric-value {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.metric-label { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }

#questions {
  padding-top: 1.5rem;
  padding-bottom: 3.5rem;
}
#questions .section-header {
  margin-bottom: 1.75rem;
}
.questions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.question-card {
  background: var(--bg-2);
  padding: 1.35rem 1.75rem;
  transition: background 0.2s ease;
}
.question-card:hover { background: var(--bg-3); }
.question-mark {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 0.35rem;
  opacity: 0.7;
  line-height: 1;
}
.question-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

/* ─── About Page ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 5rem;
  align-items: start;
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 3rem;
}
.process-step {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.process-step:first-child { border-top: 1px solid var(--border); }
.process-step-icon {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  width: 80px;
  flex-shrink: 0;
  padding-top: 0.15rem;
}
.process-step-content h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}
.process-step-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

.sidebar-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.sidebar-card h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.sidebar-card ul { list-style: none; }
.sidebar-card ul li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sidebar-card ul li:last-child { border-bottom: none; }
.sidebar-card ul li .score {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-primary);
}

/* ─── Interests Grid ─────────────────────────────── */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.interest-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.interest-item:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.interest-icon { font-size: 1.25rem; margin-bottom: 0.5rem; }
.interest-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.interest-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ─── Achievements ───────────────────────────────── */
.achievements-section { margin-bottom: 3.5rem; }
.achievements-section h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.achievement-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.achievement-item:last-child { border-bottom: none; }
.achievement-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.achievement-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.achievement-meta {
  text-align: right;
  flex-shrink: 0;
}
.achievement-year {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.achievement-level {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* ─── Blog / Build Log ───────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.blog-card {
  background: var(--bg-2);
  padding: 2.5rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.2s ease;
  border: none;
}
.blog-card:hover { background: var(--bg-3); }
.blog-card:hover .blog-title { color: var(--accent); }
.blog-date { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.75rem; }
.blog-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  transition: color 0.2s ease;
}
.blog-excerpt { font-size: 0.86rem; color: var(--text-secondary); line-height: 1.7; }
.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--accent);
  margin-top: 1.25rem;
  letter-spacing: 0.04em;
}

/* ─── Article / Project Detail ───────────────────── */
.article-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  transition: color 0.2s ease;
}
.article-back:hover { color: var(--accent); }
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.article-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.article-meta-item {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-primary);
  margin: 3rem 0 1rem;
  letter-spacing: -0.02em;
}
.article-body h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 2.5rem 0 0.75rem;
}
.article-body p { margin-bottom: 1.25rem; }
.article-body strong { color: var(--text-primary); font-weight: 500; }
.article-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}
.article-body ul {
  margin: 1rem 0 1.25rem 0;
  list-style: none;
}
.article-body ul li {
  padding: 0.3rem 0 0.3rem 1.25rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 1rem;
}
.article-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}
.article-body code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  background: var(--bg-3);
  color: var(--accent);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

/* ─── 5-Question Framework ───────────────────────── */
.five-q-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 3rem;
}
.five-q-item {
  background: var(--bg-2);
  padding: 2rem 1.5rem;
}
.five-q-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent);
  opacity: 0.5;
  font-style: italic;
  margin-bottom: 0.5rem;
}
.five-q-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.five-q-text { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* ─── Academics Page ─────────────────────────────── */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.subject-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.subject-card .subject-hl {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

/* ─── Contact Page ───────────────────────────────── */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 540px;
}
.contact-link {
  background: var(--bg-2);
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: background 0.2s ease, color 0.2s ease;
  text-decoration: none;
}
.contact-link:hover { background: var(--bg-3); color: var(--accent); }
.contact-link-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.contact-link-value {
  font-size: 0.9rem;
  color: var(--text-primary);
}
.contact-link-arrow { color: var(--text-muted); font-size: 1.1rem; transition: color 0.2s ease, transform 0.2s ease; }
.contact-link:hover .contact-link-arrow { color: var(--accent); transform: translate(3px, -3px); }

/* ─── Resume Page ────────────────────────────────── */
.resume-section { margin-bottom: 2.5rem; }
.resume-section h3 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  margin-bottom: 1.25rem;
}
.resume-item { margin-bottom: 1.25rem; }
.resume-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.2rem;
}
.resume-item-title { font-size: 0.92rem; font-weight: 500; color: var(--text-primary); }
.resume-item-date { font-size: 0.78rem; color: var(--text-muted); flex-shrink: 0; }
.resume-item-subtitle { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.3rem; }
.resume-item-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skill-tag {
  font-size: 0.78rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
}

/* ─── Beyond the Classroom ───────────────────────── */
.beyond-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.beyond-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.beyond-card h4 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.beyond-card ul li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}
.beyond-card ul li:last-child { border-bottom: none; }

/* ─── Page Hero (non-home) ───────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.page-hero-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.page-hero-label-line {
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
}
.page-hero-title-compact {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem) !important;
  white-space: nowrap;
  max-width: none !important;
}
@media (max-width: 768px) {
  .page-hero-title-compact {
    white-space: normal;
  }
}

/* ─── Fade-in Animation ──────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-portrait-wrap { order: -1; width: 240px; }
  .hero-portrait { width: 240px; height: 215px; }
  .about-grid { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .questions-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
  .beyond-grid { grid-template-columns: 1fr; }
  .five-q-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  .container-text { padding: 0 1.25rem; }
  .section { padding: 5rem 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .project-card { grid-template-columns: 48px 1fr; }
  .project-card:not(:has(.project-num)),
  .project-card.no-num { grid-template-columns: 1fr; }
  .project-arrow { display: none; }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .subjects-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* ─── Utility ────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.serif { font-family: var(--font-serif); }
.no-wrap { white-space: nowrap; }
.full-width { grid-column: 1 / -1; }

/* ─── Bill of Materials Table ─────────────────────── */
.bom-table {
  margin: 1.25rem 0 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.9rem;
}

.bom-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}

.bom-row:last-child { border-bottom: none; }

.bom-row span {
  padding: 0.65rem 1rem;
}

.bom-row span:first-child {
  border-right: 1px solid var(--border);
}

.bom-header {
  background: var(--bg-3);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.bom-row:not(.bom-header):nth-child(even) { background: var(--bg-2); }
.bom-row:not(.bom-header):nth-child(odd)  { background: var(--surface); }

.bom-name {
  color: var(--text-primary);
  font-weight: 500;
  font-family: var(--font-sans);
}

.bom-note {
  color: var(--text-secondary);
}

@media (max-width: 600px) {
  .bom-row {
    grid-template-columns: 1fr;
  }
  .bom-row span:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.4rem;
  }
  .bom-row span:last-child {
    padding-top: 0.4rem;
  }
}

/* ─── Thumbnail Slideshow ─────────────────────────── */
.slideshow-wrap {
  margin: 2rem 0 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-2);
}

.slideshow-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.slideshow-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.45s var(--ease-out);
  pointer-events: none;
  user-select: none;
}

.slideshow-stage img.ss-active {
  opacity: 1;
  pointer-events: auto;
}

/* Prev / Next arrows */
.ss-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(10,10,10,0.70);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  font-size: 1rem;
  line-height: 1;
}
.ss-btn:hover { background: var(--accent); border-color: var(--accent); color: #0A0A0A; }
.ss-prev { left: 0.75rem; }
.ss-next { right: 0.75rem; }

/* Counter badge */
.ss-counter {
  position: absolute;
  bottom: 0.6rem;
  right: 0.75rem;
  background: rgba(10,10,10,0.70);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 0.72rem;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.03em;
  pointer-events: none;
}

/* Caption bar */
.ss-caption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--bg-3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  min-height: 2.4rem;
  transition: opacity 0.25s ease;
}

.ss-caption::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Thumbnail strip */
.ss-thumbs {
  display: flex;
  gap: 6px;
  padding: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) transparent;
  background: var(--bg-3);
}

.ss-thumbs::-webkit-scrollbar { height: 4px; }
.ss-thumbs::-webkit-scrollbar-track { background: transparent; }
.ss-thumbs::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }

.ss-thumb {
  flex: 0 0 auto;
  width: 76px;
  height: 52px;
  border-radius: 5px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.55;
}

.ss-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ss-thumb:hover { opacity: 0.85; }
.ss-thumb.ss-thumb-active { border-color: var(--accent); opacity: 1; }

@media (max-width: 600px) {
  .ss-thumb { width: 58px; height: 40px; }
  .ss-btn { width: 32px; height: 32px; font-size: 0.85rem; }
}