/* ============================================================
   ANDREA SIMIONI — PORTFOLIO 2026  (Premium redesign)
   Sticky sidebar · Minimal · Typography-first
   ============================================================ */

/* ---- Variables -------------------------------------------- */
:root {
  --bg:        #09090b;
  --bg-raised: #0f0f12;
  --bg-card:   rgba(255,255,255,0.025);

  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.15);

  --text:   #e4e4e7;
  --text-2: #a1a1aa;
  --text-3: #52525b;

  --accent:        #00c8f0;
  --accent-dim:    rgba(0,200,240,0.08);
  --accent-border: rgba(0,200,240,0.22);

  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;

  --section-gap: 96px;
  --t: 0.18s ease;
  --t-slow: 0.4s ease;

  --sidebar-w: 280px;
}

[data-theme="light"] {
  --bg:        #f8f8f9;
  --bg-raised: #f0f0f3;
  --bg-card:   rgba(0,0,0,0.025);
  --border:       rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.18);
  --text:   #18181b;
  --text-2: #52525b;
  --text-3: #a1a1aa;
}

/* ---- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t-slow), color var(--t-slow);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul { list-style: none; }

/* ---- Fixed neural depth background ------------------------ */
.neural-bg,
.neural-depth-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

.neural-bg {
  z-index: 1;
  opacity: 0.72;
}

.neural-depth-overlay {
  z-index: 0;
  background:
    radial-gradient(circle at 76% 18%, rgba(0,200,240,0.12), transparent 28rem),
    radial-gradient(circle at 18% 82%, rgba(74,222,128,0.055), transparent 24rem),
    linear-gradient(90deg, rgba(9,9,11,0.92) 0%, rgba(9,9,11,0.64) 36%, rgba(9,9,11,0.74) 100%);
}

[data-theme="light"] .neural-bg { opacity: 0.5; }
[data-theme="light"] .neural-depth-overlay {
  background:
    radial-gradient(circle at 76% 18%, rgba(0,150,190,0.12), transparent 28rem),
    radial-gradient(circle at 18% 82%, rgba(16,185,129,0.07), transparent 24rem),
    linear-gradient(90deg, rgba(248,248,249,0.92) 0%, rgba(248,248,249,0.68) 36%, rgba(248,248,249,0.78) 100%);
}

.layout,
footer {
  position: relative;
  z-index: 2;
}

/* Prevent grid/flex children from overflowing their tracks */
.layout > * { min-width: 0; }
.experience-layout > * { min-width: 0; }
.expertise-grid > * { min-width: 0; }
.teaching-grid > * { min-width: 0; }
.creative-grid > * { min-width: 0; }
.contact-grid > * { min-width: 0; }
.achievement-item > div { min-width: 0; flex: 1; overflow-wrap: break-word; }
p, h3, h4 { overflow-wrap: break-word; word-break: break-word; }

/* ---- Type -------------------------------------------------- */
h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.05; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.1rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
h4 { font-size: 0.875rem; font-weight: 600; }
p  { color: var(--text-2); line-height: 1.78; }

/* ---- Scroll reveal ---------------------------------------- */
.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ---- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 22px; border-radius: 7px; font-weight: 500;
  font-size: 0.82rem; transition: var(--t); white-space: nowrap;
  position: relative;
}
.btn-primary {
  background: var(--accent); color: #000;
}
.btn-primary:hover { opacity: 0.88; }
.btn-outline {
  border: 1px solid var(--border-hover); color: var(--text-2);
}
.btn-outline:hover { border-color: var(--border-hover); color: var(--text); background: var(--bg-card); }
.btn-ghost {
  color: var(--text-3);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-2); border-color: var(--border-hover); }
.btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.btn-sm { padding: 7px 16px; font-size: 0.77rem; }

/* ---- Tag -------------------------------------------------- */
.tag {
  display: inline-block; padding: 3px 9px; border-radius: 4px;
  font-size: 0.68rem; font-weight: 500; font-family: var(--mono);
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-3); letter-spacing: 0.02em;
  transition: var(--t);
}
.tag:hover { border-color: var(--border-hover); color: var(--text-2); }
.tag-accent { background: var(--accent-dim); border-color: var(--accent-border); color: var(--accent); }

/* ====================================================================
   LAYOUT — sticky sidebar
   ==================================================================== */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
}

/* ====================================================================
   SIDEBAR
   ==================================================================== */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 56px 32px 40px 40px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

/* Scroll progress line on sidebar right edge */
.sidebar::after {
  content: '';
  position: absolute;
  right: -1px; top: 0;
  width: 1px;
  height: var(--scroll-pct, 0%);
  background: var(--accent);
  transition: height 0.1s linear;
}

/* Profile block */
.sidebar-profile { margin-bottom: 40px; }
.sidebar-name {
  font-size: 1.1rem; font-weight: 800; letter-spacing: -0.025em;
  color: var(--text); display: block; margin-bottom: 5px;
}
.sidebar-role {
  font-size: 0.77rem; color: var(--text-2); margin-bottom: 14px; line-height: 1.5;
}
.sidebar-tagline {
  font-size: 0.74rem; color: var(--text-3); line-height: 1.6; max-width: 200px;
}

/* Nav */
.sidebar-nav { flex: 1; margin-bottom: 24px; }
.sidebar-nav-list { display: flex; flex-direction: column; gap: 1px; }
.sidebar-nav-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 7px 8px; border-radius: 5px;
  font-size: 0.77rem; font-weight: 500; color: var(--text-3);
  transition: color var(--t);
}
.sidebar-nav-list a::before {
  content: '';
  width: 14px; height: 1px; background: currentColor;
  flex-shrink: 0; transition: width var(--t), background var(--t);
}
.sidebar-nav-list a:hover { color: var(--text-2); }
.sidebar-nav-list a.active { color: var(--text); }
.sidebar-nav-list a.active::before { width: 24px; background: var(--accent); }

/* Bottom block */
.sidebar-bottom { border-top: 1px solid var(--border); padding-top: 24px; }
.avail {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600; color: var(--text-3);
  margin-bottom: 16px; letter-spacing: 0.03em;
}
.avail-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(0.8); }
}
.sidebar-actions { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.sidebar-actions .btn { justify-content: center; }
.sidebar-socials { display: flex; gap: 8px; }
.social-link {
  width: 30px; height: 30px; border-radius: 5px;
  border: 1px solid var(--border); display: flex; align-items: center;
  justify-content: center; font-size: 0.7rem; font-weight: 700;
  color: var(--text-3); transition: border-color var(--t), color var(--t);
}
.social-link:hover { border-color: var(--border-hover); color: var(--text); }
.sidebar-theme {
  width: 30px; height: 30px; border-radius: 5px;
  border: 1px solid var(--border); display: flex; align-items: center;
  justify-content: center; font-size: 0.8rem;
  color: var(--text-3); transition: border-color var(--t), color var(--t);
}
.sidebar-theme:hover { border-color: var(--border-hover); color: var(--text); }

/* ====================================================================
   MAIN CONTENT
   ==================================================================== */
.main-content {
  padding: 0 64px;
  min-width: 0;
  /* NO overflow:hidden — would clip the full-bleed impact strip */
}

section {
  padding: var(--section-gap) 0;
  border-bottom: 1px solid var(--border);
}
section:last-child { border-bottom: none; }

/* Section label */
.sec-label {
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 40px;
  display: flex; align-items: center; gap: 10px;
}
.sec-label .sec-num { color: var(--accent); }

/* ====================================================================
   INTRO SECTION
   ==================================================================== */
#intro {
  padding-top: 72px; padding-bottom: 80px;
  position: relative;
}
/* Subtle static dot grid */
#intro::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 100% at 80% 20%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 100% at 80% 20%, black 0%, transparent 70%);
}
.intro-headline { margin-bottom: 24px; position: relative; }
.intro-headline .name { display: block; color: var(--text); }
.intro-headline .role { display: block; color: var(--text-3); }
.intro-sub {
  font-size: 1rem; max-width: 480px; margin-bottom: 36px; line-height: 1.75; position: relative;
}
.intro-sub strong { color: var(--text); font-weight: 500; }
.intro-ctas { display: flex; flex-wrap: wrap; gap: 10px; position: relative; }
.intro-badges {
  display: flex; flex-wrap: wrap; gap: 7px; margin-top: 40px; position: relative;
}
.intro-badge {
  font-size: 0.72rem; font-weight: 500; color: var(--text-3);
  padding: 4px 11px; border: 1px solid var(--border); border-radius: 4px;
  font-family: var(--mono);
  transition: var(--t);
}
.intro-badge:hover { color: var(--text-2); border-color: var(--border-hover); }

/* ====================================================================
   IMPACT STRIP
   ≤1200px: layout fills viewport → strip = full main column width.
   >1200px: layout centered → need vw math to reach right viewport edge.
     left  edge = (vw−1200)/2 + sidebar   = 50vw − 320px
     width       = vw − (50vw − 320px)    = 50vw + 320px
   ==================================================================== */
.impact-strip {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  margin-left: -64px;
  width: calc(100% + 128px); /* viewport ≤ 1200px */
}
@media (min-width: 1201px) {
  .impact-strip {
    /* 50vw + (1200/2 − sidebar) = 50vw + (600 − 280) = 50vw + 320px */
    width: calc(50vw + 600px - var(--sidebar-w));
  }
}
.impact-track {
  display: flex; width: max-content;
  animation: marquee 38s linear infinite;
}
.impact-track:hover { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.impact-item {
  display: flex; align-items: center; gap: 10px;
  padding: 0 36px; white-space: nowrap;
  font-size: 0.72rem; font-weight: 500; color: var(--text-3);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.impact-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* ====================================================================
   ABOUT
   ==================================================================== */
#about .about-text { max-width: 580px; }
#about .about-text h2 { margin-bottom: 20px; }
#about .about-text p { margin-bottom: 16px; }
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  margin-top: 40px;
}
.about-stat {
  padding: 20px 22px;
  background: var(--bg-card);
  transition: background var(--t);
}
.about-stat:hover { background: rgba(255,255,255,0.035); }
.about-stat-num {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em;
  color: var(--text); display: block; line-height: 1; margin-bottom: 5px;
}
.about-stat-label { font-size: 0.72rem; color: var(--text-3); font-weight: 500; }

/* ====================================================================
   EXPERTISE
   ==================================================================== */
.expertise-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
}
.exp-card {
  padding: 28px 26px;
  background: var(--bg-card);
  transition: background var(--t);
  position: relative;
}
.exp-card:hover { background: rgba(255,255,255,0.035); }
.exp-card-icon {
  font-size: 1.3rem; margin-bottom: 14px; display: block;
}
.exp-card h3 { margin-bottom: 8px; font-size: 0.95rem; }
.exp-card p { font-size: 0.82rem; margin-bottom: 14px; }
.exp-card-tags { display: flex; flex-wrap: wrap; gap: 5px; }

/* ====================================================================
   EXPERIENCE
   ==================================================================== */
.experience-layout {
  display: grid; grid-template-columns: 180px 1fr; gap: 48px;
}
.experience-meta {
  position: sticky; top: 32px; height: fit-content;
}
.exp-company { font-size: 0.7rem; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.exp-role { font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; margin-bottom: 10px; }
.exp-period {
  font-size: 0.7rem; font-family: var(--mono);
  color: var(--text-3); margin-bottom: 16px;
}
.exp-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.68rem; font-weight: 600; color: var(--accent);
  border: 1px solid var(--accent-border); background: var(--accent-dim);
  padding: 3px 10px; border-radius: 4px;
}
.exp-status::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); animation: pulse-dot 2s infinite;
}
.achievement-list { display: flex; flex-direction: column; gap: 1px; }
.achievement-item {
  padding: 20px 22px; border: 1px solid var(--border); border-radius: 7px;
  display: flex; gap: 16px; align-items: flex-start;
  transition: border-color var(--t), background var(--t);
  margin-bottom: 10px;
}
.achievement-item:last-child { margin-bottom: 0; }
.achievement-item:hover { border-color: var(--border-hover); background: var(--bg-card); }
.achievement-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.achievement-item h4 { margin-bottom: 4px; }
.achievement-item p { font-size: 0.82rem; }

/* ====================================================================
   PROJECTS
   ==================================================================== */
.projects-list { display: flex; flex-direction: column; gap: 1px; }
.project-row {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer; transition: var(--t);
  position: relative;
}
.project-row:first-child { border-top: 1px solid var(--border); }
.project-row:hover { padding-left: 6px; }
.project-num { font-family: var(--mono); font-size: 0.68rem; color: var(--text-3); width: 28px; flex-shrink: 0; }
.project-info { min-width: 0; }
.project-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; transition: color var(--t); }
.project-row:hover .project-title { color: var(--accent); }
.project-desc { font-size: 0.78rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 380px; }
.project-arrow { color: var(--text-3); font-size: 1.1rem; transition: transform var(--t), color var(--t); flex-shrink: 0; }
.project-row:hover .project-arrow { transform: translate(3px, -3px); color: var(--text); }
.project-tags-inline { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 8px; }

/* Project detail panel (expanded) */
.project-detail {
  display: none; padding: 20px 24px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 7px;
  margin-bottom: 10px;
}
.project-detail.open { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.project-detail-label { font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 5px; }
.project-detail p { font-size: 0.82rem; }

/* ====================================================================
   SKILLS
   ==================================================================== */
.skills-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px 48px;
}
.skill-cat-label {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 12px;
}
.skill-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-chip {
  padding: 4px 10px; border-radius: 4px; font-family: var(--mono);
  font-size: 0.7rem; font-weight: 500;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-3); transition: var(--t); cursor: default;
}
.skill-chip:hover { border-color: var(--border-hover); color: var(--text-2); }
.skill-chip.hi { color: var(--text-2); border-color: rgba(255,255,255,0.12); }
.skill-chip.hi-accent { color: var(--accent); border-color: var(--accent-border); background: var(--accent-dim); }

/* ====================================================================
   EDUCATION
   ==================================================================== */
.edu-list { display: flex; flex-direction: column; gap: 24px; }
.edu-item {
  padding: 24px 24px; border: 1px solid var(--border); border-radius: 8px;
  display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: start;
  transition: border-color var(--t);
  position: relative; overflow: hidden;
}
.edu-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--accent); opacity: 0; transition: opacity var(--t);
}
.edu-item:hover { border-color: var(--border-hover); }
.edu-item:hover::before { opacity: 1; }
.edu-degree-type { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 6px; }
.edu-item h3 { margin-bottom: 3px; font-size: 1rem; }
.edu-institution { font-size: 0.82rem; color: var(--text-3); }
.edu-thesis { margin-top: 12px; font-size: 0.8rem; color: var(--text-3); font-style: italic; padding-left: 12px; border-left: 1px solid var(--border); }
.edu-grade {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 700;
  color: var(--accent); white-space: nowrap;
}

/* ====================================================================
   TEACHING
   ==================================================================== */
.teaching-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.venue-list { display: flex; flex-direction: column; gap: 10px; }
.venue-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 6px;
  transition: border-color var(--t), background var(--t);
}
.venue-row:hover { border-color: var(--border-hover); background: var(--bg-card); }
.venue-icon-sm { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.venue-name { font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.venue-role-sm { font-size: 0.75rem; color: var(--text-3); }

/* ====================================================================
   CREATIVE
   ==================================================================== */
.creative-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.creative-items { display: flex; flex-direction: column; gap: 10px; }
.creative-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 6px;
  transition: border-color var(--t), background var(--t);
}
.creative-row:hover { border-color: var(--border-hover); background: var(--bg-card); }
.creative-row-icon { font-size: 1.2rem; flex-shrink: 0; }
.creative-row-title { font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.creative-row-sub { font-size: 0.75rem; color: var(--text-3); }

/* Waveform — smaller, cleaner */
.waveform {
  display: flex; align-items: center; gap: 3px;
  height: 40px; padding: 8px 0;
}
.wf-bar {
  width: 3px; border-radius: 2px; flex-shrink: 0;
  background: var(--accent);
  animation: wf 1.6s ease-in-out infinite;
  opacity: 0.5;
}
@keyframes wf { 0%,100% { transform:scaleY(0.25); } 50% { transform:scaleY(1); } }

/* ====================================================================
   RECRUITER CTA BOX
   ==================================================================== */
.recruiter-cta-box {
  border: 1px solid var(--border); border-radius: 12px;
  padding: 52px 48px; background: var(--bg-card);
  position: relative; overflow: hidden;
}
.recruiter-cta-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.cta-kicker {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); margin-bottom: 16px;
}
.recruiter-cta-box h2 { margin-bottom: 14px; max-width: 500px; }
.recruiter-cta-box p  { max-width: 440px; margin-bottom: 28px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 10px; }

/* ====================================================================
   CONTACT
   ==================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; }
.contact-left h2 { margin-bottom: 14px; }
.contact-left p { margin-bottom: 28px; }
.contact-links { display: flex; flex-direction: column; gap: 8px; }
.contact-link-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px;
  transition: border-color var(--t), background var(--t);
}
.contact-link-row:hover { border-color: var(--border-hover); background: var(--bg-card); }
.contact-link-icon { font-size: 1.1rem; flex-shrink: 0; }
.contact-link-label { font-size: 0.62rem; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-link-value { font-size: 0.82rem; font-weight: 500; color: var(--text); }

/* Form */
.contact-form {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 32px 28px;
}
.contact-form h3 { margin-bottom: 24px; font-size: 1rem; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.72rem; font-weight: 600; color: var(--text-3); margin-bottom: 6px; letter-spacing: 0.04em; text-transform: uppercase; }
.form-group input,
.form-group textarea {
  width: 100%; padding: 10px 13px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-family: inherit; font-size: 0.85rem;
  transition: border-color var(--t); outline: none; resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-submit { width: 100%; padding: 11px; justify-content: center; }
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea { background: var(--bg-raised); }

/* ====================================================================
   FOOTER
   ==================================================================== */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 28px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px 0 calc(var(--sidebar-w) + 64px);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-inner p { font-size: 0.75rem; color: var(--text-3); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.75rem; color: var(--text-3); transition: color var(--t); }
.footer-links a:hover { color: var(--text-2); }

/* ====================================================================
   MOBILE NAV (hidden on desktop)
   ==================================================================== */
.mobile-nav {
  display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 56px; align-items: center; justify-content: space-between;
  padding: 0 20px;
  background: rgba(9,9,11,0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.mobile-nav-logo { font-size: 0.9rem; font-weight: 800; letter-spacing: -0.02em; }
.mobile-nav-actions { display: flex; align-items: center; gap: 10px; }
.hamburger { display: flex; flex-direction: column; gap: 4px; padding: 4px; }
.hamburger span { display: block; width: 20px; height: 1.5px; background: var(--text); border-radius: 2px; transition: var(--t); }

.mobile-drawer {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(9,9,11,0.97); backdrop-filter: blur(20px);
  padding: 80px 28px 32px;
  flex-direction: column; gap: 6px;
}
.mobile-drawer.open { display: flex; }
.mobile-drawer a { font-size: 1.1rem; font-weight: 600; color: var(--text-2); padding: 12px 0; border-bottom: 1px solid var(--border); transition: color var(--t); }
.mobile-drawer a:hover { color: var(--text); }
.mobile-drawer .mobile-ctas { display: flex; gap: 10px; margin-top: 24px; }

/* ====================================================================
   RESPONSIVE
   ==================================================================== */
@media (max-width: 1024px) {
  :root { --sidebar-w: 240px; }
  .main-content { padding: 0 48px; }
  .impact-strip { margin-left: -48px; width: calc(100% + 96px); }
  .teaching-grid { grid-template-columns: 1fr; gap: 32px; }
  .creative-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-nav { display: flex; }
  .main-content { padding: 0 20px; padding-top: 56px; }
  #intro { padding-top: 48px; }
  .impact-strip { margin-left: -20px; width: calc(100% + 40px); }
  :root { --section-gap: 64px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .experience-layout { grid-template-columns: 1fr; }
  .experience-meta { position: static; }
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr 1fr; }
  .teaching-grid { grid-template-columns: 1fr; }
  .creative-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .project-desc { display: none; }
  #cta { padding: 36px 24px; }
  .project-detail.open { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { padding: 0 20px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .edu-item { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .intro-ctas { flex-direction: column; }
  .about-stats { grid-template-columns: 1fr; }
}

/* ---- Reduce motion ----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}