/* === Base Theme === */
:root {
  --bg: #0b1220;
  --surface: #0f172a;
  --elev: rgba(255,255,255,0.06);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --brand: #0ea5e9;
  --brand-2: #22d3ee;
  --accent: #a78bfa;
  --ok: #34d399;
  --warn: #f59e0b;
  --danger: #f87171;
  --shadow: 0 10px 30px rgba(0,0,0,0.25);
  --radius: 18px;
  --ring: 0 0 0 3px rgba(14,165,233,.35);
}

html[data-theme="light"] {
  --bg: #f8fafc;
  --surface: #ffffff;
  --elev: rgba(2,6,23,0.06);
  --text: #0f172a;
  --muted: #475569;
  --brand: #0ea5e9;
  --brand-2: #2563eb;
  --accent: #7c3aed;
  --shadow: 0 10px 25px rgba(2,6,23,0.08);
  --ring: 0 0 0 3px rgba(37,99,235,.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, rgba(14,165,233,.15), transparent 60%), var(--bg);
  color: var(--text);
  letter-spacing: 0.1px;
}

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--brand); color: #fff; padding: .5rem .75rem; border-radius: 8px;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--text) 15%, transparent);
}
.header-inner {
  display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 1rem; padding: .8rem 0;
}
.brand { display: flex; align-items: center; gap: .7rem; font-weight: 700; color: var(--text); }
.brand-avatar { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--brand); }
.site-nav a { margin: 0 .6rem; color: var(--muted); font-weight: 500; }
.site-nav a:hover { color: var(--text); }
.theme-toggle {
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  background: var(--surface); color: var(--text);
  border-radius: 12px; padding: .55rem .7rem; cursor: pointer;
  box-shadow: var(--shadow);
}
.theme-toggle:focus-visible { outline: none; box-shadow: var(--ring); }

/* === Sections === */
.section { padding: 72px 0; }
.section.alt { background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 90%, transparent), var(--bg)); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 28px; }
.section-head h2 { margin: 0; font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
.section-head p { margin: 0; color: var(--muted); }

/* === Hero === */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow { color: var(--brand); font-weight: 600; letter-spacing: .15em; text-transform: uppercase; font-size: .8rem; }
.hero-copy h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: .4rem 0 1rem; }
.lead { color: var(--muted); max-width: 60ch; }
.cta-row { display: flex; gap: .8rem; margin-top: 1rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  border-radius: 12px; padding: .7rem 1rem; font-weight: 600; cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border: none; }
.btn-outline { background: var(--surface); color: var(--text); }
.hero-art { position: relative; }
.hero-shape { width: 100%; filter: drop-shadow(var(--shadow)); border-radius: var(--radius); }

/* Full photo as right panel */
.hero-art { position: relative; }
.hero-photo {
  width: 100%;
  aspect-ratio: 4 / 3;     /* keeps a nice rectangle */
  object-fit: cover;       /* crop to fill without distortion */
  object-position: center; /* try 'center top' if you want more headroom */
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (max-width: 960px) {
  .hero-photo { aspect-ratio: 16 / 10; } /* a bit slimmer on mobile */
}


/* === Cards / Chips === */
.card {
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow);
}
.chip-list { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; list-style: none; }
.chip {
  background: color-mix(in srgb, var(--brand) 18%, transparent);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--brand) 28%, transparent);
  border-radius: 999px; padding: .25rem .6rem; font-size: .8rem; font-weight: 600;
}

/* === About grid === */
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.about-grid .card h3 { margin-top: .2rem; }

/* === Timeline === */
.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid color-mix(in srgb, var(--text) 18%, transparent); }
.timeline-item { position: relative; margin-left: 1.2rem; padding: 1rem 0 1rem 1rem; }
.timeline-item::before {
  content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--brand); left: -6px; top: 22px; box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 35%, transparent);
}
.timeline .time { color: var(--muted); font-weight: 600; font-size: .9rem; margin-bottom: .2rem; }

/* === Projects === */
.projects-controls { margin-bottom: 1rem; }
.input {
  width: 100%; padding: .7rem .8rem; border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  background: var(--surface); color: var(--text);
}
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.project-card {
  display: grid; grid-template-rows: auto 1fr auto; gap: .7rem;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.project-thumb { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.project-body { padding: 1rem; }
.project-title { margin: 0 0 .4rem; font-size: 1.05rem; }
.project-desc { margin: 0; color: var(--muted); }
.project-tags { display: flex; flex-wrap: wrap; gap: .35rem; padding: 1rem; border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }
.project-actions { display: flex; justify-content: space-between; align-items: center; padding: 0 1rem 1rem; }
.link { font-weight: 600; }

/* === Contact === */
.contact-card form {
  display: grid; grid-template-columns: 1fr 1fr; gap: .8rem;
}
.contact-card form label { display: grid; gap: .3rem; font-weight: 600; }
.contact-card form input, .contact-card form textarea {
  padding: .7rem .8rem; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  background: var(--surface); color: var(--text);
}
.contact-card form textarea { grid-column: 1 / -1; }
.contact-card form button { grid-column: 1 / -1; justify-self: start; }

/* === Footer === */
.site-footer { padding: 32px 0; border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.foot-links a { margin-left: .7rem; color: var(--muted); }
.foot-links a:hover { color: var(--text); }

/* === Utilities === */
.accent { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-links { display: flex; gap: 1rem; margin-top: 1rem; color: var(--muted); }
.hero-links a { color: var(--muted); }
.hero-links a:hover { color: var(--text); }

/* === Responsive === */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card form { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .projects-grid { grid-template-columns: 1fr; }
  .site-nav { display: none; }
}


/* About text layout */
.about-text { 
  max-width: 70ch; 
  margin: 0 auto; 
}

/* === About section layout === */
.about-layout {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1rem;
  align-items: start;
}
.about-text { max-width: 70ch; }
.about-meta { display: grid; gap: .8rem; }

.badge {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: .6rem;
  padding: .7rem .9rem;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  box-shadow: var(--shadow);
}
.icon-wrap {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
}
.icon-wrap img { width: 22px; height: 22px; filter: invert(1); opacity: .92; }
.badge-label { display: block; font-weight: 600; color: var(--muted); font-size: .85rem; }
.badge-value { display: block; color: var(--text); font-weight: 600; }

@media (max-width: 960px) {
  .about-layout { grid-template-columns: 1fr; }
}

/* === About cards layout (wide + two minis) === */
.about-cards {
  display: grid;
  grid-template-columns: 1.6fr .9fr;
  gap: 1rem;
  align-items: start;
}
.about-card h3 { margin-top: .2rem; }
.about-card p { color: var(--muted); font-size: 1rem; line-height: 1.6; }

.about-side { display: grid; gap: 1rem; }
.mini-card h3 { margin: 0 0 .25rem; font-size: 1.05rem; }
.mini-card .muted { color: var(--muted); margin: 0; }

.meta-row { display: grid; grid-template-columns: 40px 1fr; gap: .7rem; align-items: center; }
.icon-wrap {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}
.icon-wrap img { width: 22px; height: 22px; filter: invert(1); opacity: .92; }

@media (max-width: 960px) {
  .about-cards { grid-template-columns: 1fr; }
}