/* ==========================================================================
   Madhav Suri — Portfolio
   Light, Apple-inspired: off-white canvas, white cards, soft borders,
   one purple accent. System font stack (SF Pro on Apple devices).
   Layout: fixed sidebar on desktop, top bar + slide-down menu on mobile.
   ========================================================================== */

:root {
  --bg: #fafafa;
  --bg-tint: #f5f5f7;
  --card: #ffffff;
  --border: #e6e6e9;
  --border-strong: #d9d9de;

  --text: #1d1d1f;
  --text-dim: #515154;
  --text-faint: #86868b;

  --accent: #7c3aed;
  --accent-dark: #6a2cd6;
  --accent-tint: #f5f0ff;
  --accent-border: #ddd6fe;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
          Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --sidebar-w: 240px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-soft: 0 1px 2px rgba(17, 17, 26, 0.05), 0 12px 32px rgba(17, 17, 26, 0.07);
  --shadow-lift: 0 2px 5px rgba(17, 17, 26, 0.06), 0 22px 52px rgba(17, 17, 26, 0.11);
  --shadow-glow: 0 1px 2px rgba(17, 17, 26, 0.04), 0 16px 44px rgba(124, 58, 237, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* The full-bleed tinted section bands extend -100vw; never let them
     create horizontal scroll on mobile. */
  overflow-x: hidden;
}
html { overflow-x: hidden; }

::selection { background: var(--accent-tint); }

a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* ============================== Buttons ================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 980px;            /* Apple's pill buttons */
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease,
              color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(124, 58, 237, 0.25), 0 4px 12px rgba(124, 58, 237, 0.18);
}
.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 2px 4px rgba(124, 58, 237, 0.25), 0 8px 20px rgba(124, 58, 237, 0.24);
}

.btn-secondary {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(17, 17, 26, 0.04);
}
.btn-secondary:hover {
  border-color: var(--accent-border);
  box-shadow: 0 2px 8px rgba(17, 17, 26, 0.07);
}

/* ============================== Sidebar ================================ */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 28px 20px;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 36px;
}

.sidebar-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-tint);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.sidebar-name {
  display: flex;
  flex-direction: column;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.sidebar-name small {
  font-weight: 400;
  font-size: 12.5px;
  color: var(--text-faint);
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-links a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--text-dim);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-links a:hover {
  background: var(--bg-tint);
  color: var(--text);
}
.sidebar-links a.is-active {
  background: var(--accent-tint);
  color: var(--accent);
  font-weight: 500;
}

.sidebar-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.sidebar-foot a {
  font-size: 13.5px;
  color: var(--text-faint);
  text-decoration: none;
  transition: color 0.15s ease;
}
.sidebar-foot a:hover { color: var(--text); }

/* ============================== Mobile top bar ========================= */

.topbar {
  display: none;
  position: fixed;
  inset: 0 0 auto 0;
  height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 110;
}
.topbar-brand {
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.topbar-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.topbar-toggle span {
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s ease;
}
.topbar-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.topbar-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* ============================== Content ================================ */

.content {
  margin-left: var(--sidebar-w);
  max-width: 1140px;
  padding: 0 48px;
}

/* ============================== Hero =================================== */

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 44px;
  padding: 96px 0 64px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* —— Three-photo gallery: tall portrait + two horizontals stacked beside it —— */

.hero-photos {
  display: flex;
  flex-direction: row;
  align-items: stretch;          /* right column matches the portrait's height */
  justify-content: flex-end;
  gap: 18px;
  width: 100%;
  margin-left: auto;
}

.hero-photo {
  margin: 0;
  overflow: hidden;
  background: var(--bg-tint);
  border-radius: 18px;
}
.hero-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Vertical portrait — the large anchor, subtle purple accent */
.hero-photo-main {
  flex: 0 0 47%;
  aspect-ratio: 1170 / 1869;
  border: 1px solid var(--accent-border);
  box-shadow: 0 2px 6px rgba(17, 17, 26, 0.08), 0 20px 50px rgba(124, 58, 237, 0.16);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-photo-main img { object-position: center 20%; }
.hero-photo-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(17, 17, 26, 0.08), 0 26px 62px rgba(124, 58, 237, 0.22);
}

/* Right column: two horizontals splitting the portrait's height evenly */
.hero-photo-col {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.hero-photo-col .hero-photo {
  flex: 1 1 0;
  min-height: 0;
  border: 1px solid var(--border);
  box-shadow: 0 2px 5px rgba(17, 17, 26, 0.07), 0 14px 34px rgba(17, 17, 26, 0.12);
}
.hero-photo-sub img { object-position: 40% center; }
.hero-photo-third img { object-position: 82% center; }  /* keep Madhav (far right of frame) */

.hero-hello {
  font-size: 17px;
  color: var(--text-faint);
  margin-bottom: 6px;
}

.hero-name {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 14px;
  white-space: nowrap;
}

.hero-title {
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-dim);
}

.hero-school {
  font-size: 15.5px;
  color: var(--text-faint);
  margin-top: 4px;
}

.hero-tagline {
  margin-top: 28px;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 52ch;
}

.hero-focus {
  margin-top: 16px;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--accent);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-social {
  display: flex;
  gap: 22px;
  margin-top: 32px;
}
.hero-social a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s ease;
}
.hero-social a:hover { color: var(--text); }

/* ============================== Sections =============================== */

.section { padding: 112px 0; }

.section-tinted {
  /* full-bleed light gray band behind the section */
  position: relative;
}
.section-tinted::before {
  content: "";
  position: absolute;
  inset: 0 -100vw;
  background: var(--bg-tint);
  z-index: -1;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.section-sub {
  font-size: 17.5px;
  color: var(--text-dim);
  margin-bottom: 12px;
  max-width: 52ch;
}

/* ============================== Cards ================================== */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lift);
}

/* Reveal-on-scroll: the .reveal class is added by JS (skipped entirely
   when prefers-reduced-motion), so content is never hidden without it. */
.reveal { opacity: 0; }
.reveal.is-visible { animation: fade-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) both; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* ============================== Resume ================================= */

.resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 24px;
}

.resume-embed {
  padding: 10px;
  overflow: hidden;
}

/* Tall enough to read a full page comfortably; scroll for the rest. */
.resume-object,
.resume-frame {
  display: block;
  width: 100%;
  height: 1100px;
  border: 0;
  border-radius: var(--radius);
  background: var(--bg-tint);
}

.resume-fallback {
  padding: 28px;
  text-align: center;
  color: var(--text-dim);
}

@media (max-width: 720px) {
  .resume-object,
  .resume-frame { height: 78vh; }
}

/* ============================== About ================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  margin-top: 28px;
}

.about-text p {
  font-size: 17.5px;
  color: var(--text-dim);
  line-height: 1.75;
}
.about-text p + p { margin-top: 18px; }
.about-text a { text-decoration: none; font-weight: 500; }
.about-text a:hover { text-decoration: underline; }

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 8px 22px;
  align-self: start;
}
.fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.fact:last-child { border-bottom: 0; }
.fact-label { font-size: 13px; color: var(--text-faint); }
.fact-value { font-size: 14px; font-weight: 500; text-align: right; }

/* ============================== Academics ============================== */

.edu-card {
  margin-top: 28px;
  padding: 32px;
}

.edu-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.edu-head h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.edu-degree { color: var(--text-dim); font-size: 16.5px; margin-top: 2px; }

.edu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-size: 14.5px;
  color: var(--text-faint);
  margin-top: 8px;
}

.edu-badge {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--accent-border);
  border-radius: 980px;
  padding: 5px 13px;
  white-space: nowrap;
}

.edu-label {
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.edu-label:not(:first-child) { margin-top: 28px; }

.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cert-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  color: var(--text-dim);
}
.cert-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  transform: translateY(-2px);
}
.cert-status {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--accent-border);
  border-radius: 980px;
  padding: 2px 10px;
}

/* ============================== Pills ================================== */

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill-list li {
  font-size: 14px;
  color: var(--text-dim);
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 980px;
  padding: 6px 14px;
}

/* Featured skills: the handful a recruiter should see first. */
.pill-list--featured li {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-tint);
  border-color: var(--accent-border);
  box-shadow: 0 1px 3px rgba(124, 58, 237, 0.10);
}

/* Secondary skills: quieter, smaller, clearly supporting cast. */
.pill-list--muted { margin-top: 12px; gap: 6px; }
.pill-list--muted li {
  font-size: 12.5px;
  color: var(--text-faint);
  background: transparent;
  padding: 4px 11px;
}

/* ============================== Projects =============================== */

.project {
  margin-top: 40px;
  padding: clamp(28px, 4.5vw, 52px);
  box-shadow: var(--shadow-glow);
}
.project:hover {
  box-shadow: 0 2px 4px rgba(17, 17, 26, 0.05), 0 22px 56px rgba(124, 58, 237, 0.14);
}

.project-head { margin-bottom: 28px; }

.project-number {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-name {
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 8px;
}

.project-category {
  font-size: 15px;
  color: var(--text-faint);
  margin-top: 2px;
}

.project-summary {
  font-size: 17.5px;
  color: var(--text-dim);
  margin-top: 14px;
  max-width: 56ch;
}

/* —— Status badges —— */

.project-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-dim);
  background: var(--bg-tint);
  border: 1px solid var(--border-strong);
  border-radius: 980px;
  padding: 5px 12px;
  white-space: nowrap;
}

.badge--accent {
  color: var(--accent);
  background: var(--accent-tint);
  border-color: var(--accent-border);
}

.badge--live {
  color: #0f7b4f;
  background: #eafaf1;
  border-color: #bce8d1;
}
.badge--live .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5);
  animation: livePulse 2s ease-out infinite;
}

@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45); }
  70%  { box-shadow: 0 0 0 6px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

/* —— Header call-to-action (prominent live link) —— */

.project-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn-live {
  background: #16a34a;
  box-shadow: 0 1px 2px rgba(22, 163, 74, 0.25), 0 6px 16px rgba(22, 163, 74, 0.22);
}
.btn-live:hover {
  background: #15903f;
  box-shadow: 0 2px 4px rgba(22, 163, 74, 0.28), 0 10px 24px rgba(22, 163, 74, 0.28);
}
.btn-live svg { margin-left: 2px; }

/* Placeholder "coming soon" button — visually muted, still focusable */
.btn-soon {
  opacity: 0.62;
  cursor: default;
}
.btn-soon:hover {
  opacity: 0.78;
}

/* —— Visual / mockup area —— */

.project-visual {
  background:
    radial-gradient(ellipse at 50% -20%, rgba(124, 58, 237, 0.07), transparent 60%),
    var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 5.5vw, 60px);
  margin-bottom: 40px;
}

.shot {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: 0 2px 5px rgba(17, 17, 26, 0.05), 0 24px 60px rgba(17, 17, 26, 0.12);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project:hover .shot {
  transform: translateY(-2px);
  box-shadow: 0 3px 6px rgba(17, 17, 26, 0.05), 0 28px 68px rgba(124, 58, 237, 0.13);
}

/* Real product screenshot variant of the visual area */
.project-visual--img img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: 0 2px 5px rgba(17, 17, 26, 0.05), 0 24px 60px rgba(17, 17, 26, 0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project:hover .project-visual--img img {
  transform: translateY(-2px);
  box-shadow: 0 3px 6px rgba(17, 17, 26, 0.05), 0 28px 68px rgba(124, 58, 237, 0.13);
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: #fbfbfd;
}
.shot-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
}
.shot-title {
  margin-left: 10px;
  font-size: 12px;
  color: var(--text-faint);
}

.shot-body { padding: 18px; }

.shot-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.shot-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
}
.shot-note { font-size: 12px; color: var(--text-faint); }

/* Reach mock */
.shot-reach {
  display: grid;
  grid-template-columns: auto 1fr 1.2fr;
  gap: 14px;
}

.ring {
  --pct: 87;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--pct) * 1%), var(--bg-tint) 0);
  display: grid;
  place-items: center;
}
.ring span {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--card);
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.gap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  color: var(--text-dim);
}
.gap i {
  height: 5px;
  border-radius: 3px;
  background: var(--bg-tint);
  position: relative;
  overflow: hidden;
}
.gap i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  border-radius: 3px;
  background: var(--accent);
  opacity: 0.85;
}

.shot-tip p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.55;
}

/* RepoPulse mock */
.shot-pulse { display: flex; flex-direction: column; gap: 14px; }

.shot-search {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 11px 14px;
  background: #fbfbfd;
  color: var(--text-faint);
}
.shot-search em {
  flex: 1;
  font-style: normal;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot-cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 14px;
}

.shot-answer p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.55;
}
.shot-answer code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

.commit {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--text-dim);
}
.commit i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.8;
  flex-shrink: 0;
}
.commit b { color: var(--text); font-weight: 500; }
.commit span {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.commit em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  color: var(--text-faint);
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 72px;
}
.bars i {
  flex: 1;
  height: var(--h);
  border-radius: 3px 3px 0 0;
  background: var(--accent);
  opacity: 0.55;
}

/* —— Key metrics strip (engineer's case-study numbers) —— */

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: -16px 0 40px;
}
.metric {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(17, 17, 26, 0.04);
  padding: 16px 14px 13px;
  text-align: center;
}
.metric b {
  display: block;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--accent);
}
.metric span {
  display: block;
  margin-top: 3px;
  font-size: 11.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

/* High-value technical keywords inside project copy — quiet emphasis. */
.project-summary strong,
.project-desc strong {
  font-weight: 600;
  color: var(--accent-dark);
}

/* —— Project text body —— */

.project-body {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
}

.project-desc p {
  font-size: 16.5px;
  color: var(--text-dim);
  line-height: 1.7;
}

.project-desc h4,
.project-side h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 28px 0 12px;
}
.project-side h4:first-child { margin-top: 0; }

/* Purple "The Story" heading */
.project-desc h4.story-title {
  color: var(--accent);
  margin-top: 0;
}

/* "Currently working on" status tag for in-progress / placeholder projects */
.wip-tag {
  display: inline-block;
  margin-left: 12px;
  padding: 4px 12px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--accent-border);
  vertical-align: middle;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  color: var(--text-dim);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8.5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.85;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.project-links .btn { padding: 10px 18px; font-size: 14.5px; }

.links-note {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-faint);
  font-style: italic;
}

/* —— Compact card for additional projects —— */

.project--compact { padding: clamp(24px, 3.5vw, 36px); }

.project--compact .project-name { font-size: clamp(22px, 3vw, 26px); }

.project--compact .project-body {
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
}

.additional-label {
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-top: 56px;
}

/* ============================== Research =============================== */

/* Research gets a soft purple wash so it reads as its own category,
   while Experience below stays clean white. */
.research-card {
  background: linear-gradient(180deg, var(--accent-tint) 0%, #ffffff 70%);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-glow);
}
.research-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 2px 5px rgba(17, 17, 26, 0.05), 0 22px 52px rgba(124, 58, 237, 0.16);
}

/* ============================== Experience ============================= */

.exp-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.exp-card { padding: 28px 32px; }

.exp-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.exp-head h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.exp-date {
  font-size: 13.5px;
  color: var(--text-faint);
  white-space: nowrap;
}
.exp-org {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
  margin: 4px 0 2px;
}
.exp-loc {
  font-size: 13.5px;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.exp-desc {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 68ch;
}
.exp-desc li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  color: var(--text-dim);
}
.exp-desc li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9.5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* ============================== Skills ================================= */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.skill-card { padding: 26px 28px; }
.skill-card h3 {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

/* ============================== Contact ================================ */

.contact-card {
  margin-top: 28px;
  padding: clamp(36px, 5vw, 56px);
  text-align: center;
}

.contact-lede {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 44ch;
  margin: 0 auto 28px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--text-faint);
}
.contact-links a {
  color: var(--text-dim);
  text-decoration: none;
}
.contact-links a:hover { color: var(--text); text-decoration: underline; }

/* ============================== Footer ================================= */

.footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-faint);
}

/* ============================== Responsive ============================= */

@media (max-width: 1100px) {
  .content { padding: 0 36px; }
}

@media (max-width: 900px) {
  .about-grid,
  .project-body,
  .project--compact .project-body { grid-template-columns: 1fr; gap: 36px; }
  .shot-reach { grid-template-columns: 1fr 1fr; }
  .shot-score { grid-column: span 2; flex-direction: row; align-items: center; gap: 20px; }

  /* Hero stacks: text on top, photo pair centered below */
  .hero {
    grid-template-columns: 1fr;
    gap: 44px;
    min-height: 0;
    padding-top: 72px;
  }
  .hero-photos { margin: 0 auto; justify-content: center; max-width: 620px; }
}

@media (max-width: 760px) {
  /* Sidebar becomes a slide-down menu under the top bar */
  .topbar { display: flex; }

  .sidebar {
    inset: 56px 0 auto 0;
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    transform: translateY(-110%);
    transition: transform 0.25s ease;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
  }
  body.menu-open .sidebar { transform: none; }

  .sidebar-brand { display: none; }
  .sidebar-links a { padding: 12px; font-size: 15px; }
  .sidebar-foot {
    flex-direction: row;
    gap: 20px;
    padding-top: 16px;
    margin-top: 12px;
  }

  .content {
    margin-left: 0;
    padding: 56px 22px 0;
  }

  .hero { min-height: 0; padding: 72px 0 40px; }
  .hero-actions .btn { flex: 1 1 auto; }

  /* On phones, stack all three photos full-width so each stays usable */
  .hero-photos { flex-direction: column; align-items: center; max-width: 340px; }
  .hero-photo-main { flex: none; width: 100%; }
  .hero-photo-col { flex: none; width: 100%; }
  .hero-photo-col .hero-photo { flex: none; aspect-ratio: 3 / 2; }

  .section { padding: 72px 0; }

  .shot-reach,
  .shot-cols { grid-template-columns: 1fr; }
  .shot-score { grid-column: auto; }

  .metric-strip { grid-template-columns: repeat(2, 1fr); }

  .skills-grid { grid-template-columns: 1fr; }

  .footer { flex-direction: column; }
}