/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Backgrounds */
  --bg:       #ffffff;
  --surface:  #f7f8fc;
  --surface2: #eef1f9;
  --border:   #e3e7f0;

  /* Text */
  --text:  #0e1420;
  --text2: #4a5568;
  --text3: #9aa3b5;

  /* Blue (major) */
  --blue:     #2563eb;
  --blue-dk:  #1d4ed8;
  --blue-lt:  #dbeafe;
  --blue-pale:#eff6ff;
  --blue-glow: rgba(37,99,235,0.22);

  /* Violet (personal) */
  --violet:     #6d28d9;
  --violet-lt:  #ede9fe;
  --violet-pale:#f5f3ff;
  --violet-glow: rgba(109,40,217,0.20);

  /* Radii */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;

  /* Shadows */
  --s0: 0 1px 3px rgba(0,0,0,0.06);
  --s1: 0 4px 16px rgba(0,0,0,0.08);
  --s2: 0 12px 36px rgba(0,0,0,0.12);

  /* Misc */
  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-h: 64px;
  --mw:    1160px;
  --px:    clamp(20px, 5vw, 64px);
  --ease:  cubic-bezier(0.4, 0, 0.2, 1);
  --expo:  cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.raised { box-shadow: 0 2px 12px rgba(0,0,0,0.07); }

.nav-inner {
  max-width: var(--mw);
  margin: 0 auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 2rem; }

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text2);
  transition: color 0.2s;
  position: relative;
}
.nav-link:hover { color: var(--text); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--expo);
}
.nav-link:hover::after { transform: scaleX(1); }

.nav-resume {
  padding: 8px 18px;
  background: transparent;
  color: var(--text2) !important;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.nav-resume::after { display: none; }
.nav-resume:hover {
  background: var(--surface);
  border-color: #c0c8d8;
  color: var(--text) !important;
}

.nav-cta {
  padding: 8px 18px;
  background: var(--blue);
  color: #fff !important;
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: background 0.2s, box-shadow 0.2s;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--blue-dk);
  box-shadow: 0 3px 10px rgba(37,99,235,0.3);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(60px,9vw,110px) var(--px) clamp(60px,8vw,100px);
  background:
    radial-gradient(ellipse 80% 70% at 90% 20%, rgba(37,99,235,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 55% 55% at 8% 85%, rgba(109,40,217,0.09) 0%, transparent 50%),
    radial-gradient(rgba(37,99,235,0.07) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 26px 26px;
  border-bottom: 1px solid var(--border);
}

/* Soft edge on grid dots */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 60%, rgba(255,255,255,1) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--mw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

/* Eyebrow */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.4rem;
}

.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: dot-pulse 2.4s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(37,99,235,0.45); }
  50%      { box-shadow: 0 0 0 6px rgba(37,99,235,0); }
}

/* Title */
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.1rem;
}
.hero-name {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-body {
  font-size: 1.05rem;
  color: var(--text2);
  line-height: 1.78;
  max-width: 490px;
  margin-bottom: 2rem;
}

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

/* Hero info cards */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.hero-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--r);
  font-size: 0.83rem;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.25s var(--expo), box-shadow 0.25s;
  animation: card-float 0.6s var(--expo) both;
}
.hero-card:hover { transform: translateX(-3px); box-shadow: var(--s1); }

.hero-card:nth-child(1) { animation-delay: 0.1s; }
.hero-card:nth-child(2) { animation-delay: 0.2s; }
.hero-card:nth-child(3) { animation-delay: 0.3s; }
.hero-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes card-float {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hc-blue   { background: var(--blue-pale);   color: var(--blue-dk);  border-color: var(--blue-lt);  }
.hc-indigo { background: #eef2ff;             color: #3730a3;         border-color: #c7d2fe;         }
.hc-violet { background: var(--violet-pale);  color: var(--violet);   border-color: var(--violet-lt);}
.hc-sky    { background: #f0f9ff;             color: #0369a1;         border-color: #bae6fd;         }

.hc-icon { font-size: 1rem; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: all 0.2s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, var(--blue-dk) 100%);
  color: #fff;
  border: 1px solid transparent;
  animation: btn-glow 2.8s ease-in-out infinite;
}
@keyframes btn-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); }
  50%       { box-shadow: 0 0 18px 3px rgba(37,99,235,0.28); }
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue) 0%, #1e40af 100%);
  box-shadow: 0 6px 20px rgba(37,99,235,0.45) !important;
  transform: translateY(-2px);
  animation: none;
}

.btn-outline {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  color: var(--text);
  border-color: #c0c8d8;
  background: var(--surface);
}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section-inner {
  max-width: var(--mw);
  margin: 0 auto;
  padding: clamp(56px,8vw,96px) var(--px);
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-section { background: var(--surface); }

.category-block { margin-bottom: 4rem; }
.category-block:last-child { margin-bottom: 0; }

.category-header { margin-bottom: 1.75rem; }

.category-label-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

/* Category badge pill */
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cat-major {
  background: var(--blue-lt);
  color: var(--blue-dk);
  border: 1px solid rgba(37,99,235,0.25);
}
.cat-major::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.cat-personal {
  background: var(--violet-lt);
  color: var(--violet);
  border: 1px solid rgba(109,40,217,0.22);
}
.cat-personal::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--violet);
}

.cat-count {
  font-size: 0.8rem;
  color: var(--text3);
  font-weight: 500;
}

.cat-description {
  font-size: 0.9rem;
  color: var(--text2);
  max-width: 540px;
}

/* ─── Grids ──────────────────────────────────────────────── */
.project-grid {
  display: grid;
  gap: 18px;
}

.major-grid    { grid-template-columns: repeat(3, 1fr); }
.personal-grid { grid-template-columns: repeat(4, 1fr); }

/* ─── Card ───────────────────────────────────────────────── */
.card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s var(--expo), box-shadow 0.25s, border-color 0.25s;
}

/* Top accent line */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  opacity: 0.3;
  transition: opacity 0.3s;
  z-index: 2;
}

.card.major::before   { background: linear-gradient(90deg, var(--blue),   #60a5fa); }
.card.personal::before{ background: linear-gradient(90deg, var(--violet),  #a78bfa); }
.card:hover::before   { opacity: 1; }

.card.major:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px var(--blue-glow), 0 4px 12px rgba(37,99,235,0.1);
  border-color: var(--blue-lt);
}
.card.personal:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px var(--violet-glow), 0 4px 12px rgba(109,40,217,0.1);
  border-color: var(--violet-lt);
}

/* Thumbnail */
.card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--surface);
  overflow: hidden;
}

.card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,20,32,0.28) 0%, transparent 55%);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.3s;
}
.card:hover .card-thumb::after { opacity: 0.7; }

.card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--expo), filter 0.4s;
}
.card:hover .card-thumb img {
  transform: scale(1.06);
  filter: brightness(0.9);
}

/* Video thumbnail: dark bg + play icon */
.card-video-thumb {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e2535, #111827);
}

.play-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  backdrop-filter: blur(6px);
  transition: background 0.2s, transform 0.2s;
}
.card:hover .play-btn {
  background: rgba(255,255,255,0.22);
  transform: scale(1.1);
}
.play-btn svg { margin-left: 3px; }

/* If card has image AND video, show image + small play overlay */
.card-img-play {
  position: absolute;
  bottom: 10px; right: 10px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 3;
}
.card:hover .card-img-play { opacity: 1; transform: scale(1); }

/* Initials fallback */
.card-initials {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}
.major .card-initials   { background: var(--blue-pale);  color: var(--blue-lt);  }
.personal .card-initials{ background: var(--violet-pale); color: var(--violet-lt);}

/* Card text */
.card-info { padding: 16px 18px 18px; }

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  letter-spacing: -0.01em;
}
.card-sub { font-size: 0.75rem; color: var(--text3); }

/* Loading */
.grid-loader {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 48px 0;
}
.spinner {
  width: 26px; height: 26px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { border-top: 1px solid var(--border); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.25rem;
}

.about-title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.about-body {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.82;
  margin-bottom: 1rem;
}

/* Info table */
.info-table {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
}
.info-row {
  display: flex;
  gap: 1.5rem;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.info-key {
  width: 100px;
  flex-shrink: 0;
  color: var(--text3);
  font-weight: 500;
}
.info-val { color: var(--text2); }
.info-val a { color: var(--blue); }
.info-val a:hover { text-decoration: underline; }

/* Headshot */
.about-photo-wrap {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow: 0 8px 32px rgba(37,99,235,0.22);
  margin-bottom: 28px;
  overflow: hidden;
}
.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  display: block;
}

/* Skills / tools panels */
.skills-panel, .tools-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
}
.skills-panel { margin-bottom: 14px; }

.skills-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 14px;
}

.skills-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.skills-list li {
  font-size: 0.875rem;
  color: var(--text2);
  padding-left: 14px;
  position: relative;
}
.skills-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--text3);
  font-size: 0.75rem;
}

/* Tag group */
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.tag {
  font-size: 0.73rem;
  font-weight: 500;
  padding: 4px 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 26px var(--px);
}
.footer-inner {
  max-width: var(--mw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-copy { font-size: 0.8rem; color: var(--text3); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-link { font-size: 0.8rem; color: var(--text3); transition: color 0.15s; }
.footer-link:hover { color: var(--text); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,14,28,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  position: relative;
  background: var(--bg);
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.22);
  transform: scale(0.96) translateY(10px);
  transition: transform 0.28s var(--expo);
  overscroll-behavior: contain;
}
.modal-backdrop.open .modal {
  transform: scale(1) translateY(0);
}

/* Close btn */
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 10;
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  transition: background 0.15s, color 0.15s;
}
.modal-close:hover { background: var(--surface2); color: var(--text); }

/* Media area */
.modal-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0e1420;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
}
.modal-media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.modal-media video {
  width: 100%; height: 100%;
  object-fit: contain;
  background: #000;
  display: block;
}
.modal-media-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #1e2535, #111827);
  color: rgba(255,255,255,0.08);
}

/* Modal text */
.modal-body { padding: 26px 30px 32px; }

.modal-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.modal-year-el, .modal-cat-el {
  font-size: 0.78rem;
  color: var(--text3);
}
.modal-year-el::after { content: '·'; margin-left: 10px; }

.modal-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
}
.modal-badge.major   { background: var(--blue-lt);  color: var(--blue-dk); border: 1px solid rgba(37,99,235,0.22); }
.modal-badge.personal{ background: var(--violet-lt); color: var(--violet);  border: 1px solid rgba(109,40,217,0.2);}

.modal-title-el {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}
.modal-desc-el {
  font-size: 0.93rem;
  color: var(--text2);
  line-height: 1.82;
  margin-bottom: 22px;
}
.modal-tech-section { margin-bottom: 26px; }
.tech-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}
.modal-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s var(--expo), transform 0.55s var(--expo);
}
.reveal.in { opacity: 1; transform: none; }

.card.reveal {
  opacity: 0;
  transform: translateY(22px);
}
.card.reveal.in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   HAMBURGER
   ============================================================ */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 60;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--expo), opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .major-grid    { grid-template-columns: repeat(3, 1fr); }
  .personal-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-cards { flex-direction: row; flex-wrap: wrap; }
  .major-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 640px) {
  /* ── Nav: hamburger ── */
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--expo);
    z-index: 55;
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateX(0);
    pointer-events: all;
  }
  .nav-link { font-size: 1.15rem; }
  .nav-resume, .nav-cta {
    padding: 13px 36px;
    font-size: 1rem;
  }

  /* ── Hero ── */
  .hero-cards { display: none; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    justify-content: center;
    padding: 14px 22px;
    font-size: 0.95rem;
  }

  /* ── Grids ── */
  .major-grid    { grid-template-columns: 1fr; }
  .personal-grid { grid-template-columns: repeat(2, 1fr); }

  /* ── Modal: slide up from bottom ── */
  .modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }
  .modal {
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    max-height: 92vh;
    transform: translateY(30px);
  }
  .modal-backdrop.open .modal { transform: translateY(0); }
  .modal-body { padding: 20px; }

  /* ── Footer ── */
  .footer-inner  { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links  { justify-content: center; }
}

@media (max-width: 400px) {
  .personal-grid { grid-template-columns: 1fr; }
  .hero-title    { font-size: 2rem; }
}