/* ============================================================
   Vandana Thota — Portfolio identity v2
   near-black / warm off-white / cobalt · grain · editorial rhythm
   ============================================================ */
:root{
  --black:#06090f;
  --navy:#0a1220;
  --navy-2:#0c1626;
  --ink:#101725;
  --body:#2b3648;
  --muted:rgba(16,23,37,.62);
  --paper:#faf8f3;
  --paper-2:#f2eee3;
  --card:#ffffff;
  --line:rgba(16,23,37,.12);
  --line-dark:rgba(250,248,243,.13);
  --ink-on-dark:#f4f1e8;
  --muted-on-dark:rgba(244,241,232,.6);
  --faint-on-dark:rgba(244,241,232,.38);
  --cobalt:#2f6bff;
  --cobalt-deep:#1a3fa0;
  --cobalt-soft:#7ea2ff;
  --teal:#2e7f86;
  --radius:20px;
  --font-display:"Fraunces",Georgia,serif;
  --font-body:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body,h1,h2,h3,h4,p,blockquote,ul,figure,figcaption,pre{ margin:0; }
ul{ padding:0; list-style:none; }
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
body{
  font-family:var(--font-body); color:var(--body); background:var(--paper);
  font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
::selection{ background:rgba(47,107,255,.25); }
.wrap{ max-width:1200px; margin:0 auto; padding:0 28px; }
.mono{ font-family:var(--font-mono); }

/* grain overlay utility for dark sections */
.grain::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.08;
  background-image:var(--grain);
}

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.visible{ opacity:1; transform:none; }
.reveal-d1{ transition-delay:.08s; } .reveal-d2{ transition-delay:.16s; } .reveal-d3{ transition-delay:.24s; }

/* ---------- nav ---------- */
.nav{ position:fixed; top:16px; left:0; right:0; z-index:100; display:flex; justify-content:center; pointer-events:none; }
.nav-pill{
  pointer-events:auto; display:flex; align-items:center; gap:4px;
  background:rgba(6,9,15,.68); border:1px solid var(--line-dark); border-radius:999px; padding:8px 10px 8px 20px;
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 44px -18px rgba(0,0,0,.55);
  transition:box-shadow .3s, background .3s;
}
.nav.scrolled .nav-pill{ background:rgba(6,9,15,.86); box-shadow:0 22px 54px -18px rgba(0,0,0,.65); }
.nav-brand{ font-family:var(--font-display); font-style:italic; font-weight:600; font-size:18px; color:var(--ink-on-dark); margin-right:12px; letter-spacing:-.01em; }
.nav-brand span{ color:var(--cobalt-soft); font-style:normal; }
.nav-item{ font-size:14px; font-weight:600; color:var(--muted-on-dark); padding:9px 17px; border-radius:999px; transition:all .25s; }
.nav-item:hover{ color:#fff; background:rgba(250,248,243,.08); }
.nav-item.active{ background:var(--cobalt); color:#fff; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px; background:var(--cobalt); color:#fff;
  padding:15px 30px; border-radius:999px; font-weight:700; font-size:15.5px; border:none; cursor:pointer;
  transition:transform .25s, box-shadow .25s, background .25s;
  box-shadow:0 14px 30px -12px rgba(47,107,255,.6);
}
.btn:hover{ background:var(--cobalt-deep); transform:translateY(-2px); }
.btn-ghost{
  display:inline-flex; align-items:center; gap:10px; padding:15px 30px; border-radius:999px;
  font-weight:700; font-size:15.5px; border:1px solid var(--line-dark); color:var(--ink-on-dark);
  transition:all .25s; background:transparent;
}
.btn-ghost:hover{ border-color:var(--ink-on-dark); transform:translateY(-2px); }
.link-arrow{ font-weight:700; font-size:16px; display:inline-flex; align-items:center; gap:10px; color:var(--cobalt-deep); }
.link-arrow .arr{ transition:transform .25s; display:inline-block; }
.link-arrow:hover .arr{ transform:translateX(7px); }
.on-dark .link-arrow{ color:var(--cobalt-soft); }

/* ---------- editorial eyebrows + motif ---------- */
.eyebrow{
  display:flex; align-items:center; gap:14px; margin-bottom:30px;
  font-family:var(--font-mono); font-size:12px; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; color:var(--cobalt-deep);
}
.eyebrow .enum{
  border:1px solid currentColor; border-radius:7px; padding:4px 9px; font-size:11px; letter-spacing:.12em;
}
.eyebrow .rule{ flex:0 0 56px; height:1px; background:currentColor; opacity:.4; }
.on-dark .eyebrow{ color:var(--cobalt-soft); }
.section{ padding:76px 0; position:relative; }
.section-head{ margin-bottom:44px; max-width:760px; }
.section-head h2{
  font-family:var(--font-display); font-weight:500; color:var(--ink);
  font-size:clamp(32px,4.2vw,48px); line-height:1.08; letter-spacing:-.02em;
}
.section-head p{ margin-top:14px; color:var(--muted); font-size:17px; }

/* ============================================================
   HERO — dark atmospheric
   ============================================================ */
.hero{
  position:relative; overflow:hidden; color:var(--ink-on-dark);
  background:
    radial-gradient(880px 520px at 78% 8%, rgba(47,107,255,.22), transparent 62%),
    radial-gradient(700px 500px at 12% 88%, rgba(46,127,134,.14), transparent 60%),
    radial-gradient(520px 380px at 50% 50%, rgba(26,63,160,.16), transparent 65%),
    var(--black);
  padding:190px 0 90px;
}
.hero-grid{
  position:absolute; inset:0; pointer-events:none; opacity:1;
  background-image:
    linear-gradient(rgba(250,248,243,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250,248,243,.05) 1px, transparent 1px);
  background-size:92px 92px;
  -webkit-mask-image:radial-gradient(72% 62% at 50% 38%, #000 25%, transparent 100%);
  mask-image:radial-gradient(72% 62% at 50% 38%, #000 25%, transparent 100%);
}
#heroSpot{
  position:absolute; inset:0; pointer-events:none; opacity:.5;
  background:radial-gradient(420px 300px at var(--mx,70%) var(--my,20%), rgba(126,162,255,.12), transparent 70%);
}
.hero-anno{
  position:absolute; top:110px; right:40px; font-family:var(--font-mono); font-size:11px;
  letter-spacing:.2em; color:var(--faint-on-dark); text-transform:uppercase; text-align:right; line-height:2;
}
.hero h1{
  position:relative; font-family:var(--font-display); font-weight:500; color:var(--ink-on-dark);
  font-size:clamp(44px,6.4vw,86px); line-height:1.05; letter-spacing:-.025em;
  max-width:15ch; margin-bottom:30px;
}
.hero h1 .it{ font-style:italic; color:var(--cobalt-soft); }
.hero-cap{
  position:relative; font-family:var(--font-mono); font-size:13px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted-on-dark); margin-bottom:64px;
}
.hero-cap b{ color:var(--ink-on-dark); font-weight:500; }
.hero-metrics{
  position:relative; display:grid; grid-template-columns:repeat(3,1fr); gap:32px;
  border-top:1px solid var(--line-dark); padding-top:36px; max-width:920px;
}
.metric-v{ font-family:var(--font-display); font-weight:500; font-size:clamp(38px,4.4vw,54px); color:var(--ink-on-dark); line-height:1; letter-spacing:-.02em; }
.metric-v .sfx{ color:var(--cobalt-soft); }
.metric-l{ color:var(--muted-on-dark); font-size:14.5px; margin-top:10px; line-height:1.5; }
.hero-scroll{
  position:relative; margin-top:64px; display:inline-flex; align-items:center; gap:12px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.22em; text-transform:uppercase; color:var(--faint-on-dark);
}
.hero-scroll i{ font-style:normal; animation:bob 2.2s ease-in-out infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(7px);} }

/* ============================================================
   FEATURE — Lynx (deep blue dark moment)
   ============================================================ */
.feature-lynx{
  position:relative; overflow:hidden; color:var(--ink-on-dark);
  background:
    radial-gradient(900px 520px at 15% 12%, rgba(47,107,255,.20), transparent 60%),
    radial-gradient(700px 480px at 88% 90%, rgba(26,63,160,.28), transparent 62%),
    var(--navy);
  padding:96px 0;
}
.feature-grid{ display:grid; grid-template-columns:7fr 5fr; gap:60px; align-items:center; position:relative; }
.f-kicker{ font-family:var(--font-mono); font-size:12px; letter-spacing:.22em; text-transform:uppercase; color:var(--cobalt-soft); margin-bottom:20px; }
.feature-body h3{
  font-family:var(--font-display); font-weight:500; font-size:clamp(34px,4vw,52px);
  line-height:1.06; letter-spacing:-.022em; color:var(--ink-on-dark); margin-bottom:22px;
}
.feature-body h3 a:hover{ color:var(--cobalt-soft); }
.f-thesis{ color:var(--muted-on-dark); font-size:17.5px; line-height:1.65; margin-bottom:26px; max-width:44ch; }
.f-thesis .mono{ color:var(--cobalt-soft); font-size:.92em; }
.f-tags{ display:flex; flex-wrap:wrap; gap:9px; margin-bottom:30px; }
.f-tag{ font-size:13px; font-weight:600; color:var(--ink-on-dark); border:1px solid var(--line-dark); padding:7px 15px; border-radius:999px; background:rgba(250,248,243,.04); }
.f-metrics{ display:flex; gap:44px; margin-bottom:34px; padding-top:26px; border-top:1px solid var(--line-dark); }
.f-metric-v{ font-family:var(--font-display); font-size:40px; color:var(--ink-on-dark); line-height:1; letter-spacing:-.02em; }
.f-metric-v .sfx{ color:var(--cobalt-soft); }
.f-metric-l{ font-size:13.5px; color:var(--muted-on-dark); margin-top:8px; }

/* ---- Lynx collage (dark, blends with the feature background) ---- */
.lynx-collage{
  position:relative; background:rgba(6,9,15,.35); border:1px solid var(--line-dark);
  border-radius:24px; padding:20px; overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.7);
}
.lynx-collage::after{ content:""; position:absolute; inset:0; pointer-events:none; opacity:.1; background-image:var(--grain); }
.lc-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:12px; position:relative; }
.lc-frag{
  background:rgba(250,248,243,.045); border:1px solid rgba(250,248,243,.09); border-radius:14px; padding:15px;
  box-shadow:0 16px 34px -18px rgba(0,0,0,.6); position:relative;
  transition:transform .35s cubic-bezier(.22,1,.36,1);
}
.lc-frag:hover{ transform:translateY(-4px); }
.lc-mono{ display:block; font-family:var(--font-mono); font-size:10px; letter-spacing:.2em; color:var(--cobalt-soft); margin-bottom:10px; text-transform:uppercase; }
.lc-tokens{ grid-column:span 3; }
.lc-tokens code{ display:block; font-family:var(--font-mono); font-size:12px; color:#dbe4f5; padding:5px 0; border-bottom:1px dashed rgba(250,248,243,.14); }
.lc-tokens code:last-child{ border-bottom:none; }
.lc-tokens code b{ color:var(--cobalt-soft); font-weight:500; }
.lc-type{ grid-column:span 3; transform:translateY(12px); }
.lc-aa{ font-family:var(--font-display); font-size:44px; font-weight:600; color:var(--ink-on-dark); line-height:1; }
.lc-scale{ margin-top:8px; }
.lc-scale span{ display:block; font-size:12px; color:var(--muted-on-dark); padding:3px 0; border-top:1px solid rgba(250,248,243,.1); }
.lc-scale span:first-child{ font-size:17px; font-weight:700; color:var(--ink-on-dark); border-top:none; }
.lc-color{ grid-column:span 2; }
.lc-ramp{ display:flex; gap:7px; }
.lc-ramp i{ flex:1; height:36px; border-radius:8px; display:block; }
.lc-space{ grid-column:span 2; transform:translateY(8px); }
.lc-bars i{ display:block; height:9px; border-radius:5px; background:linear-gradient(90deg,var(--cobalt),var(--cobalt-soft)); margin-bottom:7px; }
.lc-radius{ grid-column:span 2; }
.lc-radii{ display:flex; gap:10px; align-items:flex-end; }
.lc-radii i{ width:34px; height:34px; background:rgba(250,248,243,.06); border:1.5px solid var(--cobalt); display:block; }
.lc-code{ grid-column:span 4; background:#04070d; border:1px solid rgba(126,162,255,.18); }
.lc-code .lc-mono{ color:var(--cobalt-soft); }
.lc-code pre{ font-family:var(--font-mono); font-size:12px; line-height:1.7; color:#bcd0f5; overflow:hidden; }
.lc-code pre .k{ color:var(--cobalt-soft); } .lc-code pre .v{ color:#8fe3c0; }
.lc-comps{ grid-column:span 2; margin-top:-30px; z-index:2; }
.lc-comps .row{ display:flex; gap:10px; margin-bottom:10px; }
.lc-btn{ font-size:12px; font-weight:700; border-radius:9px; padding:9px 16px; }
.lc-btn.p{ background:var(--cobalt); color:#fff; } .lc-btn.s{ border:1.5px solid rgba(250,248,243,.22); color:var(--ink-on-dark); }
.lc-toggle{ width:44px; height:25px; border-radius:999px; background:var(--cobalt); position:relative; }
.lc-toggle i{ position:absolute; top:2.5px; right:2.5px; width:20px; height:20px; border-radius:50%; background:#fff; display:block; }
.lc-states{ grid-column:span 3; transform:translateY(-6px); }
.lc-matrix{ display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
.lc-cell{ font-family:var(--font-mono); font-size:10.5px; text-align:center; padding:8px 4px; border-radius:8px; background:rgba(250,248,243,.05); color:var(--muted-on-dark); border:1px solid rgba(250,248,243,.1); }
.lc-cell.on{ background:var(--cobalt); color:#fff; border-color:var(--cobalt); }
.lc-ship{ grid-column:span 3; }
.lc-ship div{ font-family:var(--font-mono); font-size:11.5px; color:#dbe4f5; padding:6px 0; border-bottom:1px dashed rgba(250,248,243,.14); }
.lc-ship div:last-child{ border:none; } .lc-ship .ok{ color:#5fd39a; }
.lc-note{
  position:absolute; font-family:var(--font-mono); font-size:10px; letter-spacing:.18em;
  color:var(--cobalt-soft); text-transform:uppercase; opacity:.85;
}

/* ============================================================
   FEATURE — Sortika (warm light editorial, side-by-side)
   ============================================================ */
.feature-sortika{ background:var(--paper); padding:96px 0 88px; }
.sortika-art{ position:relative; }
.sortika-art img{
  width:100%; border-radius:26px; border:1px solid var(--line);
  box-shadow:0 44px 90px -40px rgba(16,23,37,.35);
  transition:transform .5s cubic-bezier(.22,1,.36,1);
}
.sortika-art:hover img{ transform:scale(1.008); }
.feature-sortika .feature-body h3{ color:var(--ink); }
.feature-sortika .feature-body h3 a:hover{ color:var(--cobalt-deep); }
.feature-sortika .f-kicker{ color:var(--cobalt-deep); }
.feature-sortika .f-thesis{ color:var(--muted); }
.feature-sortika .f-tag{ color:var(--body); border-color:var(--line); background:#fff; }
.feature-sortika .link-arrow{ color:var(--cobalt-deep); }

/* ============================================================
   Strengths — light, numbered
   ============================================================ */
.strengths-sec{ background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.strengths{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--card); }
.strength{ padding:32px 28px; border-left:1px solid var(--line); transition:background .3s; }
.strength:first-child{ border-left:none; }
.strength:hover{ background:var(--paper); }
.strength .num{ font-family:var(--font-mono); font-size:12px; letter-spacing:.18em; color:var(--cobalt-deep); display:block; margin-bottom:18px; }
.strength h3{ font-size:18px; font-weight:700; color:var(--ink); margin-bottom:10px; letter-spacing:-.01em; }
.strength p{ font-size:14.5px; color:var(--muted); line-height:1.6; }

/* ============================================================
   About — dark transition
   ============================================================ */
.about-sec{
  position:relative; overflow:hidden; color:var(--ink-on-dark);
  background:
    radial-gradient(760px 460px at 88% 12%, rgba(46,127,134,.16), transparent 60%),
    radial-gradient(640px 420px at 8% 90%, rgba(47,107,255,.12), transparent 60%),
    var(--black);
}
.about-grid{ display:grid; grid-template-columns:1fr 1.5fr; gap:64px; align-items:start; position:relative; }
.about-grid h2{ font-family:var(--font-display); font-style:italic; font-weight:500; font-size:clamp(34px,4vw,50px); color:var(--ink-on-dark); letter-spacing:-.02em; }
.about-copy p{ color:var(--muted-on-dark); font-size:17.5px; margin-bottom:20px; max-width:60ch; }
.about-copy p strong{ color:var(--ink-on-dark); }
.about-tags{ display:flex; flex-wrap:wrap; gap:9px; margin-top:26px; }
.about-tags .f-tag{ color:var(--ink-on-dark); }

/* ============================================================
   Testimonials — light
   ============================================================ */
.testimonials{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.testimonial{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:32px 30px; display:flex; flex-direction:column; gap:22px; transition:transform .3s, box-shadow .3s; }
.testimonial:hover{ transform:translateY(-4px); box-shadow:0 24px 48px -28px rgba(16,23,37,.25); }
.testimonial blockquote{ font-size:16px; line-height:1.65; color:var(--body); flex:1; }
.testimonial-who{ display:flex; gap:14px; align-items:center; }
.testimonial-avatar{ width:46px; height:46px; border-radius:50%; flex-shrink:0; background:rgba(47,107,255,.1); color:var(--cobalt-deep); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:17px; }
.testimonial-who .name{ font-weight:700; color:var(--ink); font-size:15px; }
.testimonial-who .title{ color:var(--muted); font-size:13.5px; }

/* ============================================================
   Teams — restrained band
   ============================================================ */
.teams-sec{ background:var(--paper); }
.teams-note{ font-family:var(--font-mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--muted); margin-top:16px; }
.logo-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:36px; }
.logo-chip{
  background:var(--card); border:1px solid var(--line); border-radius:14px; height:96px;
  display:flex; align-items:center; justify-content:center; padding:16px 20px;
  transition:transform .25s, box-shadow .25s;
}
.logo-chip:hover{ transform:translateY(-3px); box-shadow:0 16px 30px -18px rgba(16,23,37,.25); }
.logo-chip img{ max-height:40px; max-width:150px; width:auto; object-fit:contain; opacity:.95; transition:all .3s; }
.logo-chip:hover img{ opacity:1; transform:scale(1.03); }
.logo-word{ color:#3d4c5d; font-weight:700; text-align:center; line-height:1.35; }
.logo-word.ls{ letter-spacing:.16em; font-size:14px; }
.logo-word.lower{ font-family:var(--font-display); font-style:italic; font-weight:500; font-size:20px; }
.logo-word.stack{ font-size:13.5px; letter-spacing:.04em; }

/* ============================================================
   Footer — dark navy final moment
   ============================================================ */
.footer{
  position:relative; overflow:hidden; color:var(--ink-on-dark);
  background:
    radial-gradient(900px 420px at 50% -10%, rgba(47,107,255,.24), transparent 62%),
    radial-gradient(600px 400px at 90% 100%, rgba(26,63,160,.3), transparent 60%),
    var(--navy);
  padding:110px 0 40px; text-align:center;
}
.footer-inner{ position:relative; max-width:820px; margin:0 auto; }
.footer .eyebrow{ justify-content:center; }
.footer h2{
  font-family:var(--font-display); font-weight:500; font-size:clamp(36px,5vw,62px);
  letter-spacing:-.025em; line-height:1.05; color:var(--ink-on-dark); margin-bottom:20px;
}
.footer h2 .it{ font-style:italic; color:var(--cobalt-soft); }
.footer p{ color:var(--muted-on-dark); max-width:52ch; margin:0 auto 38px; font-size:17px; }
.footer-cta{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom:44px; }
.footer-links{ display:flex; gap:28px; justify-content:center; margin-bottom:70px; }
.footer-links a{ color:var(--muted-on-dark); font-weight:600; font-size:15px; border-bottom:1px solid var(--line-dark); padding-bottom:3px; transition:all .25s; }
.footer-links a:hover{ color:#fff; border-color:var(--cobalt-soft); }
.footer-base{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  border-top:1px solid var(--line-dark); padding-top:28px;
  font-size:13.5px; color:var(--faint-on-dark); text-align:left;
}
.footer-base .mono{ font-size:11px; letter-spacing:.16em; }

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .feature-grid{ grid-template-columns:1fr; gap:44px; }
  .sortika-meta{ grid-template-columns:1fr; gap:30px; }
  .strengths{ grid-template-columns:1fr 1fr; }
  .strength:nth-child(3){ border-left:none; }
  .strength{ border-top:1px solid var(--line); }
  .strength:nth-child(-n+2){ border-top:none; }
  .about-grid{ grid-template-columns:1fr; gap:32px; }
  .logo-grid{ grid-template-columns:repeat(2,1fr); }
  .lc-comps{ margin-top:0; }
}
@media (max-width:640px){
  .hero{ padding:150px 0 70px; }
  .hero-anno{ display:none; }
  .hero-metrics{ grid-template-columns:1fr; gap:24px; }
  .testimonials{ grid-template-columns:1fr; }
  .strengths{ grid-template-columns:1fr; }
  .strength{ border-left:none; border-top:1px solid var(--line); }
  .strength:first-child{ border-top:none; }
  .lc-grid{ grid-template-columns:1fr 1fr; }
  .lc-frag{ grid-column:span 2 !important; transform:none !important; }
  .lc-comps{ margin-top:0; }
  .nav-item{ padding:9px 13px; font-size:13px; }
  .nav-brand{ font-size:16px; margin-right:6px; }
  .section{ padding:60px 0; }
  .f-metrics{ gap:28px; }
}