/* ========== Base ========== */
:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --border: rgba(255,255,255,0.14);

  --primary: #6ee7ff;
  --primary-2: #a78bfa;

  --shadow: 0 20px 50px rgba(0,0,0,0.35);
  --radius: 16px;

  --container: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1000px 600px at 10% 10%, rgba(167,139,250,0.25), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(110,231,255,0.18), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding-left: 1.2rem; }
h1,h2,h3 { line-height: 1.2; margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }

.container{
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.section{
  padding: 84px 0;
}

.section--compact{
  padding: 64px 0;
}

.eyebrow{
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* ========== Nav ========== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,0.65);
  border-bottom: 1px solid var(--border);
}

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand__mark{
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(110,231,255,0.35), rgba(167,139,250,0.35));
  border: 1px solid var(--border);
}

.brand__text{ color: var(--text); }

.nav__links{
  display: flex;
  gap: 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__links a{
  display: inline-block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav__links a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: var(--border);
}

.nav__toggle{
  display: none;
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

.nav__toggle-lines{
  display: inline-block;
  width: 18px;
  height: 12px;
  position: relative;
}
.nav__toggle-lines::before,
.nav__toggle-lines::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}
.nav__toggle-lines::before{ top: 2px; }
.nav__toggle-lines::after{ bottom: 2px; }

/* ========== Buttons ========== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 600;
}

.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.07);
}

.btn--primary{
  border-color: rgba(110,231,255,0.35);
  background: linear-gradient(135deg, rgba(110,231,255,0.22), rgba(167,139,250,0.18));
}

.btn--ghost{
  background: rgba(255,255,255,0.02);
}

/* ========== Hero (Section 1) ========== */
.hero__grid{
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 32px;
  align-items: center;
}

.hero__photo{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  box-shadow: var(--shadow);
}

.hero__photo img{
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.hero__title{
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.hero__subtitle{
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 52ch;
}

.hero__cta{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.hero__meta{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 1.25rem;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}
.hero__meta dt{
  font-size: 0.85rem;
  color: var(--muted);
}
.hero__meta dd{
  margin: 0;
  font-weight: 600;
}

/* ========== Parallax (Section 2) ========== */
.parallax{
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);

  /* Replace with your own image in /assets */
  background-image: url("./parallax-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.parallax__overlay{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,18,32,0.45), rgba(11,18,32,0.78)),
    radial-gradient(900px 400px at 20% 20%, rgba(110,231,255,0.18), transparent 60%),
    radial-gradient(900px 400px at 80% 10%, rgba(167,139,250,0.18), transparent 60%);
  pointer-events: none;
}

.parallax__content{
  position: relative;
  z-index: 1;
}

.summary__cards{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 1.25rem;
}

.card{
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.card h3{ margin-bottom: 0.5rem; }

/* ========== Skills (Section 3) ========== */
.skills__grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 1.25rem;
}

.skill{
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}

.skill h3{
  display: inline-block;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(110,231,255,0.35);
}

/* ========== Contact ========== */
.contact__links{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

/* ========== Footer ========== */
.site-footer{
  border-top: 1px solid var(--border);
  background: rgba(11,18,32,0.75);
}

.footer__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 22px 0;
  color: var(--muted);
}

.footer__top{
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
}

/* ========== Responsive ========== */
@media (max-width: 900px){
  .hero__grid{
    grid-template-columns: 1fr;
  }

  .summary__cards,
  .skills__grid{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px){
  .nav__toggle{ display: inline-flex; }

  .nav__links{
    display: none;
    position: absolute;
    top: 64px;
    right: 1rem;
    left: 1rem;
    padding: 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(11,18,32,0.92);
    backdrop-filter: blur(10px);
    flex-direction: column;
  }

  .nav__links.is-open{
    display: flex;
  }

  /* On many mobile browsers, background-attachment: fixed is unreliable.
     JS will apply a small parallax fallback via background-position. */
  .parallax{
    background-attachment: scroll;
  }
}