/* ===== Base & Theme ===== */
:root{
  --bg: #0f1115;
  --surface: #151922;
  --text: #e7e9ee;
  --muted: #8b93a7;
  --border: #232938;
  --accent: #7aa2ff;     /* change this to your brand color */
  --accent-2: #4de1c5;

  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #f7f8fb;
    --surface: #ffffff;
    --text: #12141a;
    --muted: #5a6170;
    --border: #e8ebf3;
    --shadow: 0 10px 30px rgba(17, 24, 39, .08);
  }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% -10%, rgba(122,162,255,.08), transparent 60%),
              radial-gradient(900px 700px at 100% 10%, rgba(77,225,197,.08), transparent 60%),
              var(--bg);
  font: 400 16px/1.65 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Layout ===== */
main, header, footer, nav{
  width: min(1100px, 92vw);
  margin-inline: auto;
}

section{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  box-shadow: var(--shadow);
}

/* ===== Header ===== */
header{
  padding: var(--space-6) 0 var(--space-3);
}
header h1{
  margin: 0;
  font-weight: 750;
  letter-spacing: .3px;
  font-size: clamp(1.6rem, 1.1rem + 2vw, 2.4rem);
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Nav (Sticky, Glassy) ===== */
nav{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(10px);
  background: color-mix(in lab, var(--surface) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-4);
}
nav ul{
  list-style: none;
  display: flex;
  gap: clamp(.25rem, 2vw, 1rem);
  padding: .6rem .9rem;
  margin: 0;
  flex-wrap: wrap;
}
nav a{
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  padding: .55rem .9rem;
  border-radius: 999px;
  position: relative;
  transition: color .2s ease, background .2s ease, transform .05s ease;
}
nav a:hover{
  color: var(--text);
  background: color-mix(in lab, var(--accent) 14%, transparent);
}
nav a:active{ transform: translateY(1px); }

/* ===== Typography ===== */
h2{
  margin: 0 0 var(--space-2);
  font-size: clamp(1.2rem, .9rem + 1.2vw, 1.6rem);
  letter-spacing: .2px;
}
p{ margin: 0 0 var(--space-2); color: var(--text); }
.muted{ color: var(--muted); }

/* ===== Intro pill ===== */
.intro{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  padding: .6rem .9rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: color-mix(in lab, var(--surface) 70%, transparent);
}
.intro strong{
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Links ===== */
a{
  color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}
a:hover{ text-decoration: underline; }

/* ===== Projects Table ===== */
#projects{ overflow-x: auto; }
table{
  width: 100%;
  border-collapse: collapse;
  min-width: 720px; /* allows graceful horizontal scroll on small screens */
}
thead th{
  text-align: left;
  font-weight: 700;
  font-size: .95rem;
  color: var(--muted);
  padding: .9rem .8rem;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(0deg, color-mix(in lab, var(--surface) 90%, transparent), transparent);
}
tbody td{
  padding: 1rem .8rem;
  border-bottom: 1px solid var(--border);
}
tbody tr{
  transition: background .2s ease, transform .12s ease;
}
tbody tr:hover{
  background: color-mix(in lab, var(--surface) 85%, var(--accent) 6%);
}

/* ===== Contact List ===== */
#contact ul{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .6rem;
}
#contact li a{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

/* ===== Cards spacing on small screens ===== */
@media (max-width: 720px){
  section{ padding: var(--space-3); }
  nav ul{ gap: .25rem; }
}

/* ===== Focus & Accessibility ===== */
:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== Footer ===== */
footer{
  color: var(--muted);
  padding: var(--space-6) 0 var(--space-4);
  text-align: center;
}

/* ===== Subtle entrance animation ===== */
@media (prefers-reduced-motion: no-preference){
  section{
    opacity: 0;
    transform: translateY(6px);
    animation: rise-in .5s ease forwards;
  }
  section:nth-of-type(1){ animation-delay: .05s; }
  section:nth-of-type(2){ animation-delay: .1s; }
  section:nth-of-type(3){ animation-delay: .15s; }
  section:nth-of-type(4){ animation-delay: .2s; }
  section:nth-of-type(5){ animation-delay: .25s; }
}
@keyframes rise-in{
  to{ opacity: 1; transform: none; }
}

/* Contact: two-column responsive grid */
.contact-cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: .75rem;
}

/* Card look */
.contact-card{
  background: var(--surface, #fff);
  color: var(--text, #111);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius, 16px);
  box-shadow: var(--shadow, 0 10px 30px rgba(0,0,0,.08));
  padding: 1rem;
}

.contact-card__header{
  display:flex;
  align-items:center;
  gap:.75rem;
  margin-bottom:.5rem;
}

.contact-card .avatar{
  border-radius: 999px;
  border:1px solid rgba(0,0,0,.06);
}

.contact-card .muted{
  color: var(--muted, #6b7280);
  margin:.25rem 0 .5rem;
}

.contact-card .meta{
  list-style:none;
  display:flex;
  gap:1rem;
  padding:0;
  margin:.25rem 0 1rem;
  color: var(--muted, #6b7280);
}

.contact-card .button{
  display:inline-block;
  padding:.5rem .75rem;
  border-radius:12px;
  border:1px solid var(--border, #e5e7eb);
  text-decoration:none;
}

/* Center the LinkedIn badge inside the card */
.li-badge-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height: 220px; /* keeps card heights balanced with GitHub card */
}

/* accessibility helper */
.sr-only{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* badges + small subtitle */
.badges{ display:flex; gap:.5rem; margin:.35rem 0 .6rem; flex-wrap:wrap; }
.badge{ font-size:.75rem; padding:.25rem .5rem; border-radius:999px; border:1px solid var(--border); background: color-mix(in lab, var(--surface) 80%, transparent); }
.badge--gold{ border-color:#d1b24a; background:color-mix(in lab, #d1b24a 15%, var(--surface) 85%); }
.subtitle{ color:var(--muted); margin:.25rem 0 0; font-size:.92rem; }