/* ===== Theme Tokens ===== */
:root {
  --bg: #ffffff;
  --bg-soft: #f3f6fb;
  --bg-elev: rgba(255,255,255,0.7);
  --text: #0b1220;
  --text-soft: #475569;
  --primary: #2563eb;
  --accent: #06b6d4;
  --border: rgba(15,23,42,0.10);
  --glass: rgba(255,255,255,0.55);
  --glass-stroke: rgba(255,255,255,0.6);
  --shadow: 0 10px 30px rgba(2,12,27,0.08);
  --grid: rgba(15,23,42,0.06);
}
html.dark {
  --bg: #060b18;
  --bg-soft: #0a1224;
  --bg-elev: rgba(13,22,44,0.6);
  --text: #e7ecf5;
  --text-soft: #94a3b8;
  --primary: #3b82f6;
  --accent: #22d3ee;
  --border: rgba(148,163,184,0.18);
  --glass: rgba(15,23,42,0.45);
  --glass-stroke: rgba(148,163,184,0.18);
  --shadow: 0 10px 40px rgba(0,0,0,0.45);
  --grid: rgba(148,163,184,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .35s ease, color .35s ease;
}

/* Background grid + glow */
.bg-fx {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(59,130,246,0.22), transparent 60%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: auto, auto, 42px 42px, 42px 42px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Navbar ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--glass);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .3px;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: white; font-weight: 800;
  box-shadow: 0 6px 18px rgba(59,130,246,.45);
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-soft); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.login-btn {
  position: relative;
}
.login-btn::after {
  content: ""; position: absolute; inset: -3px; border-radius: 12px;
  background: conic-gradient(from 0deg, var(--primary), var(--accent), var(--primary));
  filter: blur(10px); opacity: .55; z-index: -1;
}

.menu-toggle { display: none; }

/* ===== Hero ===== */
.hero { padding: 80px 0 60px; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--bg-elev); border: 1px solid var(--border);
  font-size: 12px; color: var(--text-soft); letter-spacing: 1px; text-transform: uppercase;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 10px #22c55e; }
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); line-height: 1.05; margin: 16px 0 14px;
  font-weight: 800; letter-spacing: -.02em;
}
.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { color: var(--text-soft); font-size: 18px; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 14px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--primary); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; border: none;
  box-shadow: 0 12px 28px rgba(37,99,235,.35);
}
.btn-primary:hover { box-shadow: 0 16px 36px rgba(37,99,235,.45); }

.hero-image-wrap {
  position: relative; display: grid; place-items: center;
}
.hero-image {
  width: min(420px, 100%); aspect-ratio: 1/1; border-radius: 50%;
  object-fit: cover;
  border: 4px solid transparent;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    conic-gradient(from 0deg, var(--primary), var(--accent), var(--primary)) border-box;
  box-shadow: 0 30px 80px rgba(37,99,235,.35), 0 0 0 14px rgba(37,99,235,.06);
  animation: floaty 6s ease-in-out infinite;
}
.hero-image-wrap::before {
  content: ""; position: absolute; inset: -30px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(34,211,238,.35), transparent 70%);
  filter: blur(30px); z-index: -1; animation: pulse 4s ease-in-out infinite;
}
@keyframes floaty { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-10px) } }
@keyframes pulse { 0%,100%{ opacity:.55 } 50%{ opacity:.95 } }

.hero-stats { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat .num { font-size: 28px; font-weight: 800; }
.hero-stat .lbl { color: var(--text-soft); font-size: 13px; }

/* ===== Sections ===== */
section { padding: 90px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-tag { color: var(--accent); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; font-weight: 700; }
.section-title { font-size: clamp(28px, 4vw, 44px); margin: 8px 0 12px; font-weight: 800; letter-spacing: -.02em; }
.section-sub { color: var(--text-soft); max-width: 640px; margin: 0 auto; }

/* Cards */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-stroke);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  position: relative;
  overflow: hidden;
}
.card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: var(--shadow); }
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(59,130,246,.12), transparent 40%);
  opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: start; }
.about-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-soft); }
.about-list i { color: var(--accent); margin-top: 4px; }

/* Projects */
.grid { display: grid; gap: 22px; }
.projects-grid { grid-template-columns: repeat(3, 1fr); }
.project .stack { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.chip {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  background: rgba(59,130,246,.1); color: var(--primary); border: 1px solid rgba(59,130,246,.25);
}
.project h3 { margin: 4px 0 8px; font-size: 18px; }
.project p { color: var(--text-soft); font-size: 14px; min-height: 60px; }
.project .actions { display: flex; gap: 10px; margin-top: 14px; }
.project .actions .btn { padding: 8px 14px; font-size: 13px; }

/* Services */
.services-grid { grid-template-columns: repeat(3, 1fr); }
.service .svc-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(34,211,238,.15));
  color: var(--primary); font-size: 22px; margin-bottom: 14px;
  border: 1px solid var(--border);
}
.service h3 { margin: 0 0 8px; font-size: 18px; }
.service p { color: var(--text-soft); font-size: 14px; }
.availability {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; padding: 5px 10px; border-radius: 999px;
  background: rgba(34,197,94,.10); color: #16a34a; border: 1px solid rgba(34,197,94,.25);
}
html.dark .availability { color: #4ade80; }
.availability .dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 8px #22c55e; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.form-row { display: grid; gap: 14px; }
.field label { font-size: 13px; color: var(--text-soft); display: block; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  font-family: inherit; font-size: 14px; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.15);
}
.contact-info { display: grid; gap: 14px; align-content: start; }
.info-row { display: flex; gap: 14px; align-items: center; }
.info-row .ic {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(34,211,238,.15));
  color: var(--primary); border: 1px solid var(--border);
}
.socials { display: flex; gap: 10px; margin-top: 6px; }
.socials a {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--border); color: var(--text); transition: all .2s;
}
.socials a:hover { color: white; background: linear-gradient(135deg, var(--primary), var(--accent)); border-color: transparent; transform: translateY(-2px); }

.alert {
  padding: 12px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px;
}
.alert.success { background: rgba(34,197,94,.12); color: #16a34a; border: 1px solid rgba(34,197,94,.3); }
.alert.error { background: rgba(239,68,68,.12); color: #dc2626; border: 1px solid rgba(239,68,68,.3); }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0; text-align: center;
  color: var(--text-soft); font-size: 14px;
}
.footer-inner { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.badge {
  display: inline-flex; gap: 8px; align-items: center;
  padding: 6px 12px; border-radius: 999px; font-size: 12px;
  background: rgba(34,197,94,.10); color: #16a34a; border: 1px solid rgba(34,197,94,.25);
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.show { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .projects-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; padding: 20px; background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: grid; }
}
@media (max-width: 600px) {
  .projects-grid, .services-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}

/* ===== Admin ===== */
.admin-wrap {
  min-height: 100vh; display: grid; place-items: center;
  padding: 40px 20px;
}
.login-card {
  width: 100%; max-width: 420px;
  padding: 36px;
}
.login-card h1 { margin: 6px 0 6px; font-size: 24px; }
.login-card .muted { color: var(--text-soft); font-size: 14px; margin-bottom: 22px; }
.login-card .btn-primary { width: 100%; justify-content: center; padding: 14px; }
.login-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: white; font-size: 22px;
  box-shadow: 0 12px 28px rgba(37,99,235,.4);
  margin-bottom: 18px;
}

.admin-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--bg-soft); border-right: 1px solid var(--border);
  padding: 24px 16px; position: sticky; top: 0; height: 100vh;
}
.sidebar .brand { margin-bottom: 24px; }
.side-link {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 10px;
  color: var(--text-soft); font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background .2s, color .2s;
}
.side-link:hover, .side-link.active { background: var(--bg-elev); color: var(--text); }
.side-link.active { background: linear-gradient(135deg, rgba(59,130,246,.12), rgba(34,211,238,.10)); color: var(--primary); }

.admin-main { padding: 28px 32px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.repeat-item {
  border: 1px solid var(--border); border-radius: 14px; padding: 18px;
  background: var(--bg-elev); margin-bottom: 14px;
}
.repeat-head {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;
}
.btn-danger { background: rgba(239,68,68,.12); color: #dc2626; border: 1px solid rgba(239,68,68,.3); }
.btn-danger:hover { border-color: #dc2626; }

@media (max-width: 800px) {
  .admin-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
}