/* ============ BNT Group / Yogi Naragani — Portfolio ============ */
:root {
  --navy: #0e2233;
  --navy-2: #16344d;
  --ink: #1d2b36;
  --muted: #5b6b78;
  --line: #e3e9ee;
  --bg: #f7f9fb;
  --card: #ffffff;
  --accent: #c9962e;
  --accent-2: #e0b45a;
  --radius: 14px;
  --shadow: 0 2px 8px rgba(14, 34, 51, 0.06), 0 12px 32px rgba(14, 34, 51, 0.07);
  --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); color: var(--navy); line-height: 1.2; font-weight: 600; }

a { color: var(--navy-2); text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 249, 251, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .mark {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700; color: var(--navy);
  letter-spacing: 0.02em;
}
.brand .mark .dot { color: var(--accent); }
.brand .sub {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted);
}
.site-nav { display: flex; gap: 28px; align-items: center; }
.site-nav a {
  font-size: 0.95rem; font-weight: 500; color: var(--ink);
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--navy); border-bottom-color: var(--accent-2); }
.site-nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--accent); font-weight: 600; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 12px; font-size: 1.1rem; cursor: pointer; color: var(--navy);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 70%, #1d4260 100%);
  color: #eaf1f7;
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; right: -140px; top: -140px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 180, 90, 0.16), transparent 65%);
}
.hero h1 {
  color: #ffffff; font-size: clamp(2.1rem, 5vw, 3.3rem);
  max-width: 17ch; margin-bottom: 18px;
}
.hero .kicker {
  display: inline-block; font-size: 0.78rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent-2);
  margin-bottom: 20px; font-weight: 600;
}
.hero p.lede { max-width: 58ch; font-size: 1.12rem; color: #c6d4e0; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 10px;
  font-weight: 600; font-size: 0.98rem; border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #14100a; }
.btn-primary:hover { background: var(--accent-2); box-shadow: 0 8px 20px rgba(201, 150, 46, 0.35); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.35); color: #ffffff; }
.btn-ghost:hover { border-color: #ffffff; background: rgba(255, 255, 255, 0.07); }
.btn-dark { background: var(--navy); color: #ffffff; }
.btn-dark:hover { background: var(--navy-2); box-shadow: 0 8px 20px rgba(14, 34, 51, 0.3); }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section.alt { background: #ffffff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 42px; max-width: 62ch; }
.section-head .kicker {
  font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; display: block; margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin-bottom: 12px; }
.section-head p { color: var(--muted); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.97rem; }
.card .icon {
  width: 46px; height: 46px; border-radius: 11px;
  background: linear-gradient(140deg, var(--navy), var(--navy-2));
  color: var(--accent-2); display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 18px;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  font-size: 0.78rem; font-weight: 600; padding: 4px 11px; border-radius: 999px;
  background: #eef3f7; color: var(--navy-2); border: 1px solid var(--line);
}

/* ---------- Stats strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { text-align: center; padding: 22px 10px; }
.stat .num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--navy); }
.stat .lbl { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-top: 4px; }

/* ---------- Timeline (resume) ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: var(--line);
}
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}
.tl-item .when {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent); margin-bottom: 4px;
}
.tl-item h3 { font-size: 1.15rem; }
.tl-item .where { color: var(--navy-2); font-weight: 600; font-size: 0.95rem; margin-bottom: 8px; }
.tl-item p { color: var(--muted); font-size: 0.96rem; max-width: 64ch; }

/* ---------- Skill bars ---------- */
.skill-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.skill-list { list-style: none; }
.skill-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; border-bottom: 1px dashed var(--line);
  font-size: 0.97rem;
}
.skill-list li:last-child { border-bottom: none; }
.skill-list li::before { content: "▸"; color: var(--accent); font-size: 0.85rem; }

/* ---------- Contact ---------- */
.contact-card { display: flex; flex-direction: column; gap: 8px; }
.contact-card .label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted); font-weight: 700;
}
.contact-card .value { font-size: 1.05rem; font-weight: 600; color: var(--navy); word-break: break-word; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(150deg, var(--navy), var(--navy-2));
  border-radius: var(--radius);
  color: #ffffff; padding: 54px 48px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
}
.cta-band h2 { color: #ffffff; font-size: 1.7rem; max-width: 26ch; }
.cta-band p { color: #c6d4e0; margin-top: 8px; max-width: 48ch; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy); color: #9fb3c2;
  padding: 44px 0 36px; margin-top: 76px; font-size: 0.92rem;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: #d7e2ea; }
.site-footer a:hover { color: var(--accent-2); }
.footer-links { display: flex; gap: 22px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(160deg, var(--navy), var(--navy-2));
  color: #ffffff; padding: 64px 0 56px;
}
.page-hero h1 { color: #ffffff; font-size: clamp(1.9rem, 4vw, 2.7rem); }
.page-hero p { color: #c6d4e0; max-width: 60ch; margin-top: 12px; font-size: 1.05rem; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .skill-groups { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #ffffff;
    border-bottom: 1px solid var(--line); padding: 8px 24px 16px;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: none; }
  .hero { padding: 68px 0 62px; }
  .cta-band { padding: 38px 28px; }
}