/* ==========
   Base / Theme
========== */
:root {
  --radius: 18px;
  --shadow: 0 12px 30px rgba(0,0,0,.10);
  --shadow-soft: 0 10px 22px rgba(0,0,0,.08);

  --max: 1120px;

  --bg: #0b0d12;
  --surface: #111525;
  --surface-2: #0f1322;
  --text: #e9eefc;
  --muted: rgba(233, 238, 252, .72);
  --border: rgba(233, 238, 252, .12);

  --accent: #6aa3ff;
  --accent-2: #9b7bff;

  --btn: rgba(233, 238, 252, .10);
  --btnHover: rgba(233, 238, 252, .16);

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #fafbff;
  --surface: #ffffff;
  --surface-2: #f2f5ff;
  --text: #0b1020;
  --muted: rgba(11, 16, 32, .70);
  --border: rgba(11, 16, 32, .10);

  --accent: #2a67ff;
  --accent-2: #7a35ff;

  --btn: rgba(11, 16, 32, .06);
  --btnHover: rgba(11, 16, 32, .10);

  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(106,163,255,.18), transparent 55%),
              radial-gradient(900px 500px at 85% 10%, rgba(155,123,255,.14), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.muted { color: var(--muted); }
.tiny { font-size: .9rem; }

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  transform: translateY(-140%);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 12px;
  z-index: 999;
}
.skip-link:focus { transform: translateY(0); }

/* ==========
   Header / Nav
========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-mark {
  width: 12px; height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(106,163,255,.12);
}
.brand-text { letter-spacing: .2px; }

.nav {
  display: none;
  gap: 18px;
  align-items: center;
  justify-content: center;
}
.nav-link {
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}
.nav-link:hover { background: var(--btn); text-decoration: none; color: var(--text); }
.nav-link.active { color: var(--text); background: var(--btn); }

.theme-toggle {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}
.theme-toggle:hover { filter: brightness(1.04); }

.nav-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  width: 44px; height: 44px;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  display: inline-grid;
  place-items: center;
}
.nav-toggle-bars {
  width: 18px; height: 2px;
  background: var(--text);
  position: relative;
  border-radius: 999px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 999px;
}
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.mobile-nav {
  display: none;
  padding: 10px 0 16px;
}
.mobile-nav.open { display: grid; }
.mobile-nav .nav-link {
  padding: 12px 14px;
  border-radius: 14px;
}

/* Desktop nav */
@media (min-width: 860px) {
  .nav { display: inline-flex; }
  .nav-toggle, .mobile-nav { display: none !important; }
  .header-inner { grid-template-columns: 1fr auto auto; }
}

/* ==========
   Buttons / Badges / Cards
========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--btn);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { background: var(--btnHover); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 14px 35px rgba(106,163,255,.18);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }
.btn-small { padding: 10px 12px; border-radius: 12px; font-size: .95rem; }

.badge {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  padding: 8px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--muted);
}

.card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.section { padding: 52px 0; }
.section.subtle {
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head h2 { margin: 0 0 6px; font-size: clamp(1.3rem, 1.1rem + 1vw, 1.8rem); }
.section-head p { margin: 0; }

/* ==========
   Hero
========== */
.hero { padding: 54px 0 18px; }
.hero-grid {
  display: grid;
  gap: 18px;
}
.hero-title {
  font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem);
  margin: 10px 0 10px;
  line-height: 1.1;
}
.hero-subtitle { margin: 0 0 18px; font-size: 1.05rem; }
.eyebrow {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .85rem;
}
.accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.hero-card { padding: 20px; }
.profile { display: flex; gap: 12px; align-items: center; }
.avatar {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(106,163,255,.25), rgba(155,123,255,.22));
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 700;
}
.profile-name { margin: 0; font-weight: 800; }
.profile-meta { margin: 2px 0 0; color: var(--muted); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.stat {
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
}
.stat-value { margin: 0; font-weight: 900; font-size: 1.2rem; }
.stat-label { margin: 2px 0 0; color: var(--muted); font-size: .92rem; }

.card-divider { height: 1px; background: var(--border); margin: 14px 0; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; }

@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.3fr .9fr; align-items: start; }
}

/* ==========
   Grids
========== */
.grid { display: grid; gap: 14px; }
.cards-3 { grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .cards-3 { grid-template-columns: repeat(3, 1fr); }
}

.about-grid { grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1.2fr .8fr; }
}

.contact-grid { grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: .9fr 1.1fr; }
}

.list { margin: 12px 0 0; padding: 0; list-style: none; }
.list li { display: flex; gap: 10px; align-items: start; padding: 8px 0; color: var(--muted); }
.dot {
  width: 10px; height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  margin-top: 7px;
  flex: 0 0 auto;
}

.page { padding-bottom: 30px; }
.page-hero { padding: 44px 0 12px; }
.page-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
}

/* ==========
   Projects
========== */
.project-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.pill {
  font-size: .85rem;
  font-weight: 700;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
}
.project-links { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* ==========
   CTA
========== */
.cta {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(106,163,255,.12), rgba(155,123,255,.10));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

/* ==========
   Form
========== */
.form-wrap { padding: 18px; }
.form-head h2 { margin: 0 0 6px; }
.form-head p { margin: 0; }

.contact-form { margin-top: 14px; display: grid; gap: 14px; }
.form-row { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.field label { display: block; font-weight: 700; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  color: var(--text);
  outline: none;
}
.field input:focus, .field textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  box-shadow: 0 0 0 4px rgba(106,163,255,.18);
}
.field-hint { margin: 6px 0 0; color: var(--muted); font-size: .92rem; }
.field-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 6px; }
.char-count { color: var(--muted); font-size: .92rem; }

.hp { display:none; }

.form-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
#formStatus { margin: 0; }

/* ==========
   Footer
========== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-links { display: inline-flex; gap: 14px; color: var(--muted); }

/* ==========
   Motion preferences
========== */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}