/* ===================================================================
   Satyam Raha — Personal Website
   Theme: "Where Ancient Wisdom meets Modern Logic"
   Palette: midnight indigo + temple gold + saffron, with cream light
   =================================================================== */

:root {
  /* Core palette */
  --ink:        #0b0a1a;   /* deepest background */
  --night:      #12102a;   /* primary dark */
  --night-2:    #1b1740;   /* raised dark surface */
  --violet:     #2a1f55;
  --gold:       #e8c66a;   /* temple gold */
  --gold-deep:  #d4af37;
  --saffron:    #ff8c2b;   /* warm accent */
  --saffron-2:  #ff6a3d;
  --cream:      #f7f1e3;   /* light background */
  --cream-2:    #efe6d0;
  --paper:      #fffaf0;

  /* Text */
  --t-light:    #f4eede;
  --t-mut:      #b9b2cf;
  --t-dim:      #8a83a8;
  --t-dark:     #221c3a;
  --t-dark-mut: #5b5470;

  /* System */
  --line:       rgba(232,198,106,.18);
  --line-soft:  rgba(255,255,255,.08);
  --radius:     18px;
  --radius-sm:  12px;
  --shadow:     0 24px 60px -24px rgba(0,0,0,.65);
  --shadow-gold:0 18px 50px -20px rgba(232,198,106,.35);
  --maxw:       1180px;

  --serif: "Cormorant Garamond", "Marcellus", Georgia, serif;
  --sans:  "Sora", "Inter", system-ui, -apple-system, sans-serif;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--t-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
ul { list-style: none; }

/* ---------- Cosmic background ---------- */
.starfield {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1100px 700px at 80% -10%, rgba(255,140,43,.12), transparent 60%),
    radial-gradient(900px 700px at 10% 10%, rgba(106,90,205,.16), transparent 60%),
    radial-gradient(1200px 900px at 50% 110%, rgba(232,198,106,.08), transparent 60%),
    linear-gradient(180deg, var(--ink), var(--night) 40%, var(--ink));
}
.starfield::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%, rgba(255,255,255,.7), transparent),
    radial-gradient(1.2px 1.2px at 70% 60%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.6px 1.6px at 40% 80%, rgba(232,198,106,.6), transparent),
    radial-gradient(1.1px 1.1px at 85% 25%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.3px 1.3px at 55% 15%, rgba(255,255,255,.4), transparent),
    radial-gradient(1.2px 1.2px at 12% 70%, rgba(255,255,255,.5), transparent);
  background-repeat: repeat;
  opacity: .55;
  animation: twinkle 9s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .35; } to { opacity: .7; } }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 92px 0; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .78rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold); font-weight: 600;
}
.eyebrow::before { content: "✦"; color: var(--saffron); font-size: .9em; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.1; letter-spacing: .3px; }
h2.section-title { font-size: clamp(2rem, 4.5vw, 3.2rem); margin: 14px 0 16px; }
.lead { color: var(--t-mut); font-size: 1.08rem; max-width: 62ch; }
.gold-text { color: var(--gold); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; letter-spacing: .2px;
  cursor: pointer; border: 1px solid transparent; transition: all .25s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--gold), var(--saffron));
  color: #2a1d05; box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn-ghost { border-color: var(--line); color: var(--t-light); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ===================================================================
   NAVBAR
   =================================================================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11,10,26,.72);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); }
.brand .mark {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.1rem; font-weight: 700;
  background: linear-gradient(135deg, var(--gold), var(--saffron));
  color: #2a1d05; box-shadow: 0 6px 18px -6px rgba(232,198,106,.6);
}
.brand b { font-size: 1.25rem; letter-spacing: .5px; }
.brand span { display: block; font-family: var(--sans); font-size: .64rem; letter-spacing: .25em; text-transform: uppercase; color: var(--gold); margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px; font-size: .92rem; color: var(--t-mut); font-weight: 500;
}
.nav-links a:hover { color: var(--t-light); }
.nav-links a.active { color: var(--gold); }
.nav-cta { margin-left: 8px; }
/* Keep the gold "Connect" button's text dark & readable — beats the muted
   `.nav-links a` color which would otherwise win on specificity. */
.nav-links a.nav-cta { color: #2a1d05; font-weight: 700; }
.nav-links a.nav-cta:hover { color: #2a1d05; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--gold); transition: .3s; }

/* ===================================================================
   HERO
   =================================================================== */
.hero { padding: 110px 0 90px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); margin: 18px 0 10px; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--gold), var(--saffron));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .role { font-size: 1.05rem; color: var(--t-mut); margin-bottom: 26px; }
.hero .role b { color: var(--gold); font-weight: 600; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.hero-stats { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .stat b { font-family: var(--serif); font-size: 1.9rem; color: var(--gold); display: block; line-height: 1; }
.hero-stats .stat span { font-size: .8rem; color: var(--t-dim); letter-spacing: .04em; }

/* Portrait with mandala ring */
.portrait { position: relative; justify-self: center; }
.portrait-ring {
  position: relative; width: min(380px, 78vw); aspect-ratio: 1;
  border-radius: 50%; padding: 14px;
  background: conic-gradient(from 0deg, var(--gold), var(--saffron), var(--violet), var(--gold));
  box-shadow: var(--shadow);
  animation: spin 26s linear infinite;
}
.portrait-ring::before {
  content: ""; position: absolute; inset: -22px; border-radius: 50%;
  border: 1px dashed rgba(232,198,106,.35);
}
.portrait-ring img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 20%; border-radius: 50%;
  border: 4px solid var(--ink); animation: spin 26s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }
.portrait-badge {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  background: var(--night-2); border: 1px solid var(--line);
  padding: 8px 18px; border-radius: 999px; font-size: .82rem; white-space: nowrap;
  box-shadow: var(--shadow); color: var(--gold); font-weight: 600;
}

/* Marquee strip */
.marquee {
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  padding: 18px 0; overflow: hidden; background: rgba(0,0,0,.2);
}
.marquee-track { display: flex; gap: 48px; white-space: nowrap; animation: slide 28s linear infinite; }
.marquee-track span { font-family: var(--serif); font-size: 1.15rem; color: var(--t-dim); display: inline-flex; gap: 48px; }
.marquee-track span::after { content: "✦"; color: var(--gold); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ===================================================================
   CARDS / GRIDS
   =================================================================== */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(160deg, var(--night-2), var(--night));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 28px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px 200px at 100% 0, rgba(232,198,106,.12), transparent 60%);
}
.card:hover { transform: translateY(-6px); border-color: var(--line); box-shadow: var(--shadow); }
.card:hover::after { opacity: 1; }
.card .ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(232,198,106,.18), rgba(255,140,43,.12));
  border: 1px solid var(--line);
}
.card h3 { font-size: 1.35rem; margin-bottom: 8px; }
.card p { color: var(--t-mut); font-size: .96rem; }

/* Pillars (two sciences) */
.pillars { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; }
.pillar { padding: 36px; border-radius: var(--radius); border: 1px solid var(--line-soft); }
.pillar.tech { background: linear-gradient(160deg, rgba(106,90,205,.16), transparent); }
.pillar.veda { background: linear-gradient(160deg, rgba(232,198,106,.14), transparent); }
.pillar h3 { font-size: 1.5rem; margin-bottom: 10px; }
.pillar ul li { color: var(--t-mut); padding: 6px 0 6px 24px; position: relative; }
.pillar ul li::before { content: "›"; position: absolute; left: 4px; color: var(--gold); font-weight: 700; }
.bridge {
  display: grid; place-items: center; padding: 0 22px; min-width: 90px;
}
.bridge .orb {
  width: 70px; height: 70px; border-radius: 50%; display: grid; place-items: center; font-size: 1.6rem;
  background: linear-gradient(135deg, var(--gold), var(--saffron)); color: #2a1d05;
  box-shadow: var(--shadow-gold); animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

/* ===================================================================
   TIMELINE
   =================================================================== */
.timeline { position: relative; margin-top: 30px; padding-left: 6px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--gold), var(--saffron), transparent); }
.tl-item { position: relative; padding: 0 0 32px 42px; }
.tl-item::before {
  content: ""; position: absolute; left: 2px; top: 4px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--ink); border: 3px solid var(--gold); box-shadow: 0 0 0 4px rgba(232,198,106,.12);
}
.tl-item .yr { font-family: var(--serif); color: var(--saffron); font-size: 1.1rem; font-weight: 600; }
.tl-item h4 { font-size: 1.12rem; margin: 2px 0 4px; }
.tl-item p { color: var(--t-mut); font-size: .95rem; }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip {
  padding: 7px 15px; border-radius: 999px; font-size: .85rem; color: var(--t-light);
  background: rgba(255,255,255,.04); border: 1px solid var(--line-soft);
}
.chip.gold { border-color: var(--line); color: var(--gold); }

/* ---------- Achievement badges ---------- */
.badge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 18px; }
.badge {
  text-align: center; padding: 26px 18px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--night-2), var(--night)); border: 1px solid var(--line-soft);
  transition: transform .3s, border-color .3s;
}
.badge:hover { transform: translateY(-5px); border-color: var(--gold); }
.badge .medal { font-size: 2rem; }
.badge b { display: block; font-family: var(--serif); font-size: 1.55rem; color: var(--gold); margin: 6px 0 2px; }
.badge span { font-size: .85rem; color: var(--t-mut); }

/* ---------- Section variants ---------- */
.section-light {
  background: linear-gradient(180deg, var(--cream), var(--cream-2));
  color: var(--t-dark);
}
.section-light .eyebrow { color: var(--saffron-2); }
.section-light .lead { color: var(--t-dark-mut); }
.section-light .card { background: var(--paper); border-color: rgba(180,150,80,.18); color: var(--t-dark); }
.section-light .card p { color: var(--t-dark-mut); }
.section-light .chip { background: rgba(0,0,0,.03); border-color: rgba(180,150,80,.25); color: var(--t-dark); }

/* ===================================================================
   PAGE HEADER (interior pages)
   =================================================================== */
.page-head { padding: 86px 0 50px; text-align: center; }
.page-head h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); margin: 14px 0 14px; }
.page-head .lead { margin-inline: auto; }
.breadcrumb { font-size: .82rem; color: var(--t-dim); letter-spacing: .04em; }
.breadcrumb a:hover { color: var(--gold); }

/* ===================================================================
   PROJECT / MEDIA cards
   =================================================================== */
.project { display: grid; grid-template-columns: 1fr; }
.project .tag { font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--saffron); font-weight: 600; }
.project h3 { font-size: 1.45rem; margin: 8px 0; }
.project .meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 14px; font-size: .82rem; color: var(--t-dim); }
.feature-row {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  padding: 36px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--night-2), var(--night)); border: 1px solid var(--line-soft);
}
.feature-row.reverse { grid-template-columns: .9fr 1.1fr; }
.feature-row.reverse .fr-media { order: -1; }
.fr-media {
  border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line);
  background: var(--violet); aspect-ratio: 16/10; display: grid; place-items: center;
}
.fr-media img { width: 100%; height: 100%; object-fit: cover; }

.video-card { padding: 0; overflow: hidden; }
.video-thumb {
  aspect-ratio: 16/9; display: grid; place-items: center; position: relative;
  background: linear-gradient(135deg, var(--violet), var(--night)); border-bottom: 1px solid var(--line);
}
.video-thumb .play {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font-size: 1.4rem;
  background: linear-gradient(135deg, var(--gold), var(--saffron)); color: #2a1d05; box-shadow: var(--shadow-gold);
}
.video-card .body { padding: 20px 22px 24px; }

/* ===================================================================
   CONTACT
   =================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .85rem; color: var(--t-mut); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.04); border: 1px solid var(--line-soft); color: var(--t-light);
  font-family: var(--sans); font-size: .95rem; transition: border-color .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.contact-info li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.contact-info .ci-ic { font-size: 1.3rem; }
.contact-info b { display: block; }
.contact-info span { color: var(--t-mut); font-size: .92rem; }

/* ===================================================================
   CTA banner
   =================================================================== */
.cta-banner {
  text-align: center; padding: 70px 40px; border-radius: 28px;
  background:
    radial-gradient(600px 300px at 50% 0, rgba(255,140,43,.18), transparent 70%),
    linear-gradient(160deg, var(--violet), var(--night));
  border: 1px solid var(--line);
}
.cta-banner h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 14px; }

/* ===================================================================
   FOOTER
   =================================================================== */
.footer { border-top: 1px solid var(--line-soft); padding: 56px 0 30px; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer h5 { color: var(--gold); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; }
.footer a { color: var(--t-mut); font-size: .92rem; display: block; padding: 4px 0; }
.footer a:hover { color: var(--gold); }
.footer .blurb { color: var(--t-dim); font-size: .92rem; max-width: 32ch; }
.socials { display: flex; gap: 12px; margin-top: 16px; }
.socials a {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  border: 1px solid var(--line-soft); color: var(--t-mut);
}
.socials a:hover { border-color: var(--gold); color: var(--gold); }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--t-dim); font-size: .85rem; }

/* ===================================================================
   Scroll reveal
   =================================================================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-cta, .hero-stats { justify-content: center; }
  .portrait { order: -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; gap: 18px; }
  .bridge { transform: rotate(90deg); padding: 8px; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; }
  .feature-row.reverse .fr-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
/* Collapse nav to a hamburger before it gets cramped */
@media (max-width: 920px) {
  .nav-links {
    position: fixed; inset: 70px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--night); border-bottom: 1px solid var(--line); padding: 14px 20px 22px;
    transform: translateY(-130%); transition: transform .35s ease; z-index: 49;
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 12px 8px; border-bottom: 1px solid var(--line-soft); }
  .nav-links .nav-cta { margin: 10px 8px 0; text-align: center; justify-content: center; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
}