:root{
  --bg: #070b14;
  --panel: rgba(255,255,255,0.06);
  --panel-2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --border: rgba(255,255,255,0.10);
  --shadow: 0 20px 50px rgba(0,0,0,0.38);
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --danger: #fb7185;
  --radius: 18px;
  --radius-lg: 26px;
  --max: 1120px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

html[data-theme="light"]{
  --bg: #f6f7fb;
  --panel: rgba(10,15,25,0.05);
  --panel-2: rgba(10,15,25,0.07);
  --text: rgba(10,15,25,0.92);
  --muted: rgba(10,15,25,0.62);
  --border: rgba(10,15,25,0.10);
  --shadow: 0 18px 44px rgba(10,15,25,0.12);
  --accent: #0284c7;
  --accent-2: #6d28d9;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background: radial-gradient(1200px 700px at 10% 10%, rgba(125,211,252,0.12), transparent 55%),
              radial-gradient(900px 600px at 90% 25%, rgba(167,139,250,0.12), transparent 55%),
              var(--bg);
  line-height:1.6;
}

a{color:inherit}
code{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}

.container{width:min(var(--max), calc(100% - 40px)); margin-inline:auto}
.section{padding: 74px 0}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:22px}
.section-head h2{margin:0; font-size:1.6rem; letter-spacing:-0.02em}
.section-head .muted{margin:0; max-width:60ch}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  backdrop-filter: blur(10px);
}
.card.soft{background: linear-gradient(180deg, var(--panel), var(--panel-2));}

.grid{display:grid; gap:18px}
.grid.two{grid-template-columns: repeat(2, minmax(0,1fr));}

.muted{color:var(--muted)}
.small{font-size:0.9rem}

.skip-link{
  position:absolute; left:-999px; top:8px;
  background:var(--panel); border:1px solid var(--border); padding:10px 12px; border-radius:12px;
}
.skip-link:focus{left:12px; z-index:9999}

.site-header{
  position:sticky; top:0; z-index:50;
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
html[data-theme="light"] .site-header{background: rgba(255,255,255,0.75);}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
}
.brand-mark{
  width:38px; height:38px; display:grid; place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(125,211,252,0.25), rgba(167,139,250,0.25));
  border: 1px solid var(--border);
  font-weight: 800;
}
.brand-text{font-weight:700; letter-spacing:-0.02em}

.nav{display:flex; align-items:center; gap:10px}
.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background: var(--panel);
  color:var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor:pointer;
}
.nav-menu{display:flex; align-items:center; gap:14px}
.nav-menu a{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  padding: 8px 10px;
  border-radius: 12px;
}
.nav-menu a:hover{color:var(--text); background: var(--panel);}
.theme-toggle{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid var(--border);
  background: var(--panel);
  color:var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  cursor:pointer;
}
.theme-toggle:hover{background: var(--panel-2)}
.theme-toggle-text{font-weight:700; font-size:0.95rem}

.hero{padding: 72px 0 40px; position:relative; overflow:hidden}
.hero-grid{display:grid; grid-template-columns: 1.25fr 0.75fr; gap:24px; align-items:start}
.hero-copy .eyebrow{
  margin:0 0 10px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.hero-copy h1{margin:0 0 10px; line-height:1.15; font-size: clamp(2rem, 3.4vw, 3.1rem); letter-spacing:-0.03em}
.accent{
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.lead{margin:0 0 18px; font-size:1.05rem; color:var(--muted); max-width: 62ch}

.cta-row{display:flex; flex-wrap:wrap; gap:10px; margin: 18px 0 20px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration:none;
  font-weight: 700;
  background: var(--panel);
}
.btn:hover{background: var(--panel-2)}
.btn.primary{
  background: linear-gradient(135deg, rgba(125,211,252,0.25), rgba(167,139,250,0.25));
}
.btn.ghost{
  background: transparent;
}

.quick-meta{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.meta-item{
  background: var(--panel);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.meta-label{display:block; font-size:0.78rem; color:var(--muted); font-weight:700; letter-spacing:0.02em}
.meta-value{display:block; font-weight:700}

.hero-media{display:grid; gap:12px}
.photo-frame{
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow:hidden;
  background: linear-gradient(135deg, rgba(125,211,252,0.12), rgba(167,139,250,0.12));
  box-shadow: var(--shadow);
}
.photo{width:100%; height:auto; display:block}
.media-note{
  background: var(--panel);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.media-note p{margin:0; color:var(--muted)}
.hero-glow{
  position:absolute;
  inset:auto -20% -45% -20%;
  height: 520px;
  background: radial-gradient(closest-side, rgba(125,211,252,0.12), transparent 70%),
              radial-gradient(closest-side, rgba(167,139,250,0.12), transparent 70%);
  filter: blur(16px);
  pointer-events:none;
}

.pill-row{display:flex; flex-wrap:wrap; gap:10px; margin-top: 14px}
.pill{
  border:1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 8px 10px;
  font-weight:700;
  font-size: 0.92rem;
  color: var(--muted);
}

.list{margin: 12px 0 0; padding-left: 18px; color: var(--muted)}
.list li{margin: 8px 0}

.timeline{display:grid; gap:16px}
.timeline-top{display:flex; align-items:baseline; justify-content:space-between; gap:14px}
.timeline-top h3{margin:0}
.timeline-top .muted{margin:0}

.project{padding:0; overflow:hidden}
.project-image{
  height: 260px;
  background: linear-gradient(135deg, rgba(125,211,252,0.14), rgba(167,139,250,0.14));
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.project-image img{width:100%; height:100%; object-fit:cover; display:block}

.project-image img{width:100%; height:100%; object-fit:cover; display:block}
.project-body{padding: 18px 22px 22px}
.project-body h3{margin:0 0 8px}
.tag-row{display:flex; flex-wrap:wrap; gap:8px; margin-top: 12px}
.tag{
  background: var(--panel);
  border:1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 700;
  font-size: 0.85rem;
}
.project-links{display:flex; gap:12px; margin-top: 14px}
.link{
  color: var(--text);
  text-decoration:none;
  font-weight: 800;
}
.link:hover{text-decoration:underline}
.link.disabled{opacity:0.45; cursor:not-allowed; pointer-events:none}

.contact-list{list-style:none; padding:0; margin: 14px 0 0; display:grid; gap:12px}
.contact-list li{
  display:flex; align-items:baseline; justify-content:space-between; gap:12px;
  padding: 12px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.contact-label{color:var(--muted); font-weight:800; font-size:0.85rem}
.contact-value{font-weight:800; text-decoration:none}
.contact-value:hover{text-decoration:underline}

.form{display:grid; gap:10px; margin-top: 12px}
.form label{display:grid; gap:6px; font-weight:800; color:var(--muted)}
.form input, .form textarea{
  font: inherit;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}
.form input::placeholder, .form textarea::placeholder{color: rgba(255,255,255,0.45)}
html[data-theme="light"] .form input::placeholder,
html[data-theme="light"] .form textarea::placeholder{color: rgba(10,15,25,0.45)}
.form button[disabled]{
  opacity:0.6;
  border-style:dashed;
}

.site-footer{padding: 28px 0 10px}
.footer-inner{
  display:flex; align-items:baseline; justify-content:space-between; gap:12px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* Responsive */
@media (max-width: 940px){
  .hero-grid{grid-template-columns: 1fr; }
  .quick-meta{grid-template-columns: 1fr; }
  .grid.two{grid-template-columns: repeat(2, minmax(0,1fr));}
  .timeline-top{flex-direction:column; align-items:flex-start}
}
@media (max-width: 760px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    display:none;
    position:absolute;
    right: 20px;
    top: 62px;
    flex-direction:column;
    align-items:stretch;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    box-shadow: var(--shadow);
    width: min(320px, calc(100vw - 40px));
  }
  html[data-theme="light"] .nav-menu{background: #ffffff;}
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:10px 12px;}
  .footer-inner{flex-direction:column}
}
/* Education watermark logos (corner watermark that won't collide with text) */
.edu-card{ position: relative; overflow: hidden; }
.edu-card::before{
  content:"";
  position:absolute;
  inset:0;
  background-repeat:no-repeat;
  background-size: min(260px, 55%);
  background-position: right 18px center;
  opacity: 0.055;
  pointer-events:none;
  filter: saturate(0.95) contrast(1.05);
  transform: none;
}
html[data-theme="light"] .edu-card::before{ opacity: 0.04; }
.edu-card > *{ position: relative; z-index: 1; }

/* Per-school logo */
.edu-card.cpp::before{ background-image: url("assets/cpp-logo.png"); }
.edu-card.chaffey::before{ background-image: url("assets/chaffey-logo.png"); }


/* --- Carousel (projects) --- */
.carousel{position:relative; width:100%; height:100%;}
.carousel-track{
  display:flex;
  height:100%;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  -webkit-overflow-scrolling: touch;
}
.carousel-track::-webkit-scrollbar{display:none;}
.carousel-slide{
  flex:0 0 100%;
  height:100%;
  scroll-snap-align:start;
}
.carousel-slide img{width:100%; height:100%; object-fit:cover; display:block;}

.carousel-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:38px;
  height:38px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(10,14,22,0.55);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  transition: opacity 160ms ease;
}
[data-theme="light"] .carousel-btn{background: rgba(255,255,255,0.65);}
.carousel-btn.prev{left:10px;}
.carousel-btn.next{right:10px;}
.carousel:focus-within .carousel-btn,
.carousel:hover .carousel-btn{opacity:1;}

.carousel-dots{
  position:absolute;
  bottom:10px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:7px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(10,14,22,0.45);
  backdrop-filter: blur(8px);
}
[data-theme="light"] .carousel-dots{background: rgba(255,255,255,0.55);}
.carousel-dot{
  width:7px;
  height:7px;
  border-radius:999px;
  background: rgba(255,255,255,0.45);
  border:1px solid rgba(255,255,255,0.22);
  opacity:0.7;
}
[data-theme="light"] .carousel-dot{background: rgba(0,0,0,0.35); border-color: rgba(0,0,0,0.12);}
.carousel-dot.is-active{opacity:1; transform: scale(1.15);}
@media (max-width: 760px){
  .project-image{height: 240px;}
  .carousel-btn{opacity:1;}
}


}

/* --- Hover: expand project image box to show full image (no letterboxing for 1000×800) --- */
.project-image{
  transition: height 180ms ease;
}

/* Default thumbnail crop */
.project-image img{ object-fit: cover; }

@media (hover: hover) and (pointer: fine){
  /* Expand image area on hover; maintain 5:4 aspect so full image fits without empty top/bottom */
  .project:hover .project-image{
    height: auto;
    aspect-ratio: 5 / 4;
    max-height: min(70vh, 720px);
  }

  .project:hover .carousel,
  .project:hover .carousel-track,
  .project:hover .carousel-slide{
    height: 100%;
  }

  /* Show the full image when expanded */
  .project:hover .carousel-slide img{
    object-fit: contain;
    height: 100%;
    width: 100%;
    background: transparent;
  }
}


/* Screen-reader only */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* --- Contact form: button readiness + errors --- */
.form .btn.primary{
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease, opacity 160ms ease;
}
.form .btn.primary:disabled{
  opacity: 0.55;
  filter: grayscale(0.35);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.form .btn.primary.is-ready{
  box-shadow: 0 0 0 1px rgba(125, 211, 252, 0.35), 0 10px 30px rgba(125, 211, 252, 0.18);
}
.form .btn.primary.is-ready:hover{
  transform: translateY(-1px);
}
.form-error{
  margin: 10px 0 0;
  font-size: 0.95rem;
  color: rgba(255, 120, 120, 0.95);
  min-height: 1.2em; /* reserves space to avoid layout jump */
}
html[data-theme="light"] .form-error{
  color: rgba(170, 35, 35, 0.95);
}

/* --- Education card background (Cal Poly) --- */
.edu-card.calpoly{
  position: relative;
  overflow: hidden;
}
.edu-card.calpoly::before{
  content:"";
  position:absolute;
  inset:-24px;
  background-image: url("assets/education/calpoly-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12;
  filter: saturate(1.05) contrast(1.02);
  pointer-events:none;
}
html[data-theme="light"] .edu-card.calpoly::before{
  opacity: 0.10;
}
.edu-card.calpoly > *{
  position: relative;
  z-index: 1;
}

/* --- Education card background (Chaffey) --- */
.edu-card.chaffey{
  position: relative;
  overflow: hidden;
}
.edu-card.chaffey::before{
  content:"";
  position:absolute;
  inset:-24px;
  background-image: url("assets/education/chaffey-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12;
  filter: saturate(1.02) contrast(1.02);
  pointer-events:none;
}
html[data-theme="light"] .edu-card.chaffey::before{
  opacity: 0.10;
}
.edu-card.chaffey > *{
  position: relative;
  z-index: 1;
}