/* ============================================================
   site.css — Cosmic theme for babak-solhjoo.com (ASP.NET MVC 5)
   Dark-space look: CSS gradient + starfield (fully responsive),
   glassy rounded controls, Space Grotesk + Sora.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Sora:wght@300;400;500;600&display=swap');

:root {
  --bg-deep:      #070718;
  --bg-mid:       #0c0a2a;
  --bg-low:       #0a0730;
  --panel:        rgba(255,255,255,0.045);
  --panel-brd:    rgba(255,255,255,0.10);
  --violet:       #8f7bff;
  --cyan:         #38d0e0;
  --text:         #e9ecf8;
  --text-soft:    #c3c9e6;
  --text-mute:    #8f97c0;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Sora', system-ui, sans-serif;
  --maxw:         1200px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(120,90,255,0.35), transparent 60%),
    radial-gradient(900px 560px at 8% 108%, rgba(30,180,210,0.28), transparent 55%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 45%, var(--bg-low) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* starfield overlay */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 33% 68%, #cfe, transparent),
    radial-gradient(1.6px 1.6px at 58% 14%, #fff, transparent),
    radial-gradient(1.1px 1.1px at 71% 52%, #dde, transparent),
    radial-gradient(1.3px 1.3px at 86% 33%, #fff, transparent),
    radial-gradient(1px 1px at 45% 88%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 24% 90%, #cef, transparent);
}

.page { position: relative; z-index: 1; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #6ea0ff; }
h1, h2, h3, .brand { font-family: var(--font-display); }
img { max-width: 100%; height: auto; }

/* ---- Nav ---- */
.site-nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 19px; color: #fff; }
.brand__mark { display: inline-flex; width: 30px; height: 30px; border-radius: 9px; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--violet), #22c6d6); box-shadow: 0 6px 20px rgba(123,91,255,0.5); }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 15px; color: #b9c0e0; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: #b9c0e0; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links .cta { padding: 9px 18px; border-radius: 999px; color: #fff;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: #cfd4ee; border-radius: 2px; }

/* ---- Buttons & fields ---- */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 24px; border-radius: 12px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent; transition: transform .06s ease, box-shadow .15s ease; }
.btn:active { transform: translateY(1px); }
.btn--primary { color: #0a0730; background: linear-gradient(140deg, var(--violet), var(--cyan)); box-shadow: 0 12px 30px rgba(123,91,255,0.42); }
.btn--ghost { color: var(--text); background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.16); }
.btn--cyan { color: #0a0730; background: var(--cyan); }

.field { display: flex; align-items: center; gap: 10px; padding: 13px 16px; border-radius: 12px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.16); color: var(--text); }
.field input, .field textarea { flex: 1; background: transparent; border: 0; outline: none; color: var(--text); font: inherit; }
.field:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56,208,224,0.2); }
.field input::placeholder, .field textarea::placeholder { color: var(--text-mute); }

.pill { font-size: 13px; padding: 7px 14px; border-radius: 999px; }
.pill--violet { color: #dfe3ff; background: rgba(143,123,255,0.18); border: 1px solid rgba(143,123,255,0.4); }
.pill--cyan { color: #cfe6ee; background: rgba(56,208,224,0.12); border: 1px solid rgba(56,208,224,0.3); }
.pill--muted { color: #c7cdd6; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14); }

/* ---- Cards ---- */
.card { padding: 22px; border-radius: 16px; background: var(--panel); border: 1px solid var(--panel-brd); backdrop-filter: blur(8px); }
.card__icon { width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
  background: rgba(143,123,255,0.16); border: 1px solid rgba(143,123,255,0.32); }
.card h3 { font-weight: 600; font-size: 17px; margin: 0 0 6px; }
.card p { font-size: 14px; line-height: 1.55; color: #a9b0d4; margin: 0; }

/* ---- Slideshow ---- */
.slideshow { position: relative; padding-top: 18px; }
.slide { position: relative; height: 400px; border-radius: 20px; overflow: hidden; border: 1px solid rgba(255,255,255,0.12);
  background: radial-gradient(700px 400px at 30% 20%, rgba(120,90,255,0.5), transparent 60%),
              radial-gradient(600px 360px at 85% 90%, rgba(30,190,220,0.45), transparent 55%),
              linear-gradient(140deg,#161036,#0b1440);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45); }
.slide__stars { position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(1.4px 1.4px at 20% 30%,#fff,transparent), radial-gradient(1.2px 1.2px at 70% 60%,#cfe,transparent), radial-gradient(1.5px 1.5px at 50% 80%,#fff,transparent); }
.slide__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slide__scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(6,4,26,0.92), rgba(6,4,26,0.15) 55%, rgba(6,4,26,0.4)); }
.slide__cap { position: absolute; left: 34px; bottom: 30px; right: 34px; z-index: 2; }
.slide__eyebrow { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: #9fb6ff; margin-bottom: 8px; }
.slide__title { font-family: var(--font-display); font-weight: 700; font-size: 34px; margin: 0; }
.slide__arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; background: rgba(10,7,40,0.5);
  border: 1px solid rgba(255,255,255,0.18); backdrop-filter: blur(6px); cursor: pointer; z-index: 2; }
.slide__arrow--prev { left: 22px; } .slide__arrow--next { right: 22px; }
.thumbs { display: flex; gap: 12px; margin-top: 14px; overflow-x: auto; padding-bottom: 4px; }
.thumb { flex: 0 0 150px; height: 92px; border-radius: 12px; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.12); cursor: pointer; background-size: cover; background-position: center; }
.thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(6,4,26,0.88), rgba(6,4,26,0.1) 65%); }
.thumb.is-active { border: 2px solid var(--cyan); }
.thumb span { position: absolute; left: 10px; right: 8px; bottom: 8px; font-size: 12px; font-weight: 600; color: #fff; z-index: 2; }

/* ---- Intro ---- */
.intro { display: grid; grid-template-columns: 360px 1fr; gap: 52px; align-items: center; padding: 40px 0 30px; }
.intro__photo { width: 330px; height: 360px; border-radius: 26px; object-fit: cover; margin: 0 auto; display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.16); box-shadow: 0 22px 60px rgba(123,91,255,0.38);
  background: linear-gradient(160deg, rgba(143,123,255,0.28), rgba(56,208,224,0.20)); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  font-size: 12.5px; letter-spacing: 1.4px; text-transform: uppercase; color: #a9d9e6;
  background: rgba(34,198,214,0.10); border: 1px solid rgba(34,198,214,0.28); }
.eyebrow__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.intro h1 { font-weight: 700; font-size: 46px; line-height: 1.07; letter-spacing: -0.9px; margin: 16px 0 12px; }
.role { font-family: var(--font-display); font-weight: 600; font-size: 22px; margin-bottom: 18px; }
.gradient-text { background: linear-gradient(100deg, var(--violet), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 640px; font-size: 17px; line-height: 1.68; color: var(--text-soft); }
.pill-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 26px; }
.btn-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* ---- Sections ---- */
.section { padding: 40px 0; }
.section__eyebrow { font-family: var(--font-display); font-size: 14px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-mute); }
.section h2 { font-size: 34px; letter-spacing: -0.6px; margin: 6px 0 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }

/* ---- Footer ---- */
.site-footer { padding: 26px 0; margin-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; color: var(--text-mute); font-size: 14px; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .intro { grid-template-columns: 1fr; text-align: center; gap: 26px; }
  .intro .pill-row, .intro .btn-row { justify-content: center; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .slide { height: 300px; }
  .slide__title { font-size: 24px; }
  .slide__cap { left: 20px; right: 20px; bottom: 20px; }
  .thumb { flex-basis: 128px; height: 78px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .intro h1 { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }