/* ================= THEME TOKENS ================= */
:root{
  --radius: 16px;
  --shadow: 0 14px 40px rgba(0,0,0,0.20);

  /* transition */
  --t: 180ms ease;
}

/* Default theme tokens (will be overridden by [data-theme]) */
:root{
  --bg: #0b1220;
  --bg2: #0f172a;
  --surface: rgba(255,255,255,0.04);
  --card: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.10);
  --text: #e5e7eb;
  --muted: rgba(229,231,235,0.75);
  --link: #93c5fd;
  --accent: #60a5fa;
  --accent2: #a78bfa;
}

/* ================= DARK MODE ================= */
html[data-theme="dark"]{
  --bg: #0b1220;
  --bg2: #0f172a;
  --surface: rgba(255,255,255,0.04);
  --card: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.10);
  --text: #e5e7eb;
  --muted: rgba(229,231,235,0.75);
  --link: #93c5fd;
  --accent: #60a5fa;
  --accent2: #a78bfa;
}

/* ================= LIGHT MODE ================= */
html[data-theme="light"]{
  --bg: #f7f8fb;
  --bg2: #eef2ff;
  --surface: rgba(255,255,255,0.85);
  --card: rgba(255,255,255,0.95);
  --border: rgba(15, 23, 42, 0.10);
  --text: #0f172a;
  --muted: rgba(15, 23, 42, 0.65);
  --link: #1d4ed8;
  --accent: #2563eb;
  --accent2: #7c3aed;
}

/* ================= GLOBAL ================= */
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);

  background:
    radial-gradient(900px 500px at 20% 10%, rgba(96,165,250,0.20), transparent 60%),
    radial-gradient(900px 500px at 80% 15%, rgba(167,139,250,0.18), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));

  transition: background var(--t), color var(--t);
}

a{
  color: var(--link);
  text-decoration: none;
}
a:hover{ text-decoration: underline; }

.muted{ color: var(--muted); }

/* ================= TOP NAV ================= */
.top-nav{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(0,0,0,0.18);
}

.nav-links{
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a{
  color: var(--text);
  opacity: 0.92;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 12px;
  transition: background var(--t), color var(--t);
}

.nav-links a:hover{
  background: color-mix(in srgb, var(--text) 10%, transparent);
  text-decoration: none;
}

.nav-cta{
  border: 1px solid var(--border);
}

/* ================= THEME TOGGLE ================= */
.theme-toggle{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--t), background var(--t);
}

.theme-toggle:hover{
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--text) 10%, transparent);
}

.theme-icon{
  font-size: 1rem;
}

/* ================= HERO ================= */
.hero{
  padding: 70px 0 40px;
}

.hero-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.pill{
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--muted);
  font-weight: 900;
  margin-bottom: 14px;
}

.hero h1{
  margin: 6px 0 6px;
  font-size: 3rem;
  letter-spacing: -0.02em;
}

.subtitle{
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 700;
}

.hero-desc{
  margin: 0 0 18px;
  opacity: 0.95;
  max-width: 62ch;
}

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

/* ================= BUTTONS ================= */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
  font-weight: 900;
  transition: transform var(--t), background var(--t), box-shadow var(--t);
}

.btn:hover{
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--text) 10%, transparent);
  text-decoration: none;
}

.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #ffffff;
  border: none;
  box-shadow: 0 12px 28px rgba(96,165,250,0.22);
}
html[data-theme="light"] .btn-primary{
  box-shadow: 0 12px 28px rgba(37,99,235,0.18);
}

/* ================= QUICK STATS ================= */
.quick-stats{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
  transition: background var(--t), border var(--t);
}

.stat-num{
  font-weight: 1000;
  letter-spacing: -0.02em;
}

.stat-label{
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 4px;
  font-weight: 700;
}

/* ================= PHOTO CARD ================= */
.hero-card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: background var(--t), border var(--t);
}

.hero-photo-card{
  padding: 0;
}

.profile-photo{
  width: 100%;
  height: 340px;
  object-fit: contain;
  object-position: center top;
  background: #000; /* or var(--bg) if you want it themed */
  display: block;
}

.photo-caption{
  padding: 14px 16px 18px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.photo-name{
  font-weight: 1000;
  letter-spacing: -0.01em;
}

.photo-title{
  margin-top: 4px;
  font-weight: 700;
}

/* ================= SURFACE / SECTIONS ================= */
.surface{
  max-width: 1100px;
  margin: 0 auto 40px;
  padding: 0 18px;
}

.section{
  margin-top: 40px;
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(0,0,0,0.10);
  transition: background var(--t), border var(--t);
}

.section h2{
  margin: 0 0 14px;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.section-head{
  margin-bottom: 12px;
}

.info-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.info-card{
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: background var(--t), border var(--t), transform var(--t);
}

.info-card:hover{
  transform: translateY(-2px);
}

.info-card h3{
  margin: 0 0 6px;
  font-size: 1.05rem;
}

/* ================= RESUMES ================= */
.resume-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.resume-card{
  display: block;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}

.resume-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.18);
  background: color-mix(in srgb, var(--text) 7%, transparent);
  text-decoration: none;
}

.resume-card-top{
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

.badge{
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--text);
  font-weight: 900;
}

.resume-card h3{
  margin: 0 0 6px 0;
  font-size: 1.15rem;
}

.resume-cta{
  display: inline-block;
  margin-top: 10px;
  font-weight: 1000;
}

/* ================= PROJECTS ================= */
.projects-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.project-card{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}

.project-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.18);
  background: color-mix(in srgb, var(--text) 7%, transparent);
}

.project-card p{
  margin: 0;
  color: var(--muted);
}

.project-featured{
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 12%, var(--card)),
    color-mix(in srgb, var(--accent2) 10%, var(--card))
  );
}

.project-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.project-card h3{
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.chip{
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent2) 45%, transparent);
  background: color-mix(in srgb, var(--accent2) 16%, transparent);
  color: var(--text);
  font-weight: 900;
  white-space: nowrap;
}

.tag-row{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag{
  font-size: 0.80rem;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
  font-weight: 800;
}

.link{
  display: inline-block;
  margin-top: 12px;
  font-weight: 1000;
}

/* ================= CONTACT ================= */
.contact-card{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 16%, transparent),
    color-mix(in srgb, var(--accent2) 14%, transparent)
  );
}

.contact-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ================= FOOTER ================= */
.site-footer{
  text-align: center;
  padding: 28px 18px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .quick-stats{ grid-template-columns: 1fr; }
  .info-grid{ grid-template-columns: 1fr; }
  .contact-card{ flex-direction: column; align-items: flex-start; }
}