/* ===========================================================
   Prafull Chauvhan — Portfolio
   Dark cinematic design system (gold accent · Playfair + Inter)
   =========================================================== */

:root{
  --bg:#0a0c10;
  --bg-2:#0f131a;
  --bg-3:#141a24;
  --ink:#f4f6fa;
  --text:#f4f6fa;
  --text-dim:#aab2c0;
  --text-faint:#7c8597;
  --muted:#9aa3b2;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --accent:#c9a25a;
  --accent-2:#e3c485;
  --accent-soft:rgba(201,162,90,.13);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1200px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.7);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ambient page glow */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(50% 40% at 80% 0%, rgba(58,86,140,.18), transparent 60%),
    radial-gradient(40% 35% at 0% 100%, rgba(201,162,90,.07), transparent 60%);
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.center{text-align:center}

h1,h2,h3,h4{font-family:'Playfair Display',Georgia,serif;font-weight:600;line-height:1.1;letter-spacing:-.4px}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,12,16,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-2);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Playfair Display',serif}
.brand .mark{
  display:grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:linear-gradient(140deg,var(--accent),#9c7636);
  color:#1a1408;font-weight:700;font-size:15px;letter-spacing:.5px;
  box-shadow:0 6px 18px -8px rgba(201,162,90,.7);
}
.brand>span:last-child{display:flex;flex-direction:column;line-height:1.15;font-size:16px}
.brand small{font-family:'Inter',sans-serif;font-size:11px;color:var(--accent);letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14.5px;color:var(--muted);transition:color .2s;position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);font-size:18px;border-radius:9px;width:42px;height:40px;cursor:pointer}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:14px;font-weight:500;
  cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .25s,background .25s,border-color .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#1a1408;box-shadow:0 12px 30px -12px rgba(201,162,90,.65)}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-2)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.05)}
.arrow{font-size:13px}

/* ---------- SECTIONS ---------- */
.section{padding:clamp(64px,9vw,110px) 0}
.section-sm{padding:clamp(44px,6vw,72px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:11px;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  font-weight:500;margin-bottom:18px;
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--accent)}
.center .eyebrow::before{display:none}
.section-title{font-size:clamp(28px,4vw,46px);max-width:18ch}
.center .section-title{margin-left:auto;margin-right:auto}
.section-lead{margin-top:18px;color:var(--text-dim);font-size:clamp(15px,1.4vw,18px);font-weight:300;max-width:60ch}

/* ---------- HERO (home) ---------- */
.hero{position:relative;min-height:calc(100vh - 74px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:24px}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(55% 65% at 72% 50%, rgba(58,86,140,.34), transparent 62%);
}
.hero-copy{position:relative;z-index:3;padding:40px 0;max-width:560px}
.hero h1{font-size:clamp(40px,6.2vw,76px);line-height:1.03}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .section-lead{max-width:44ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-stats{display:flex;gap:40px;margin-top:50px}
.hero-stats .n{font-family:'Playfair Display',serif;font-size:30px;color:var(--ink)}
.hero-stats .l{font-size:11.5px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-top:4px}
.hero-portrait{position:relative;z-index:2;align-self:end;justify-self:center;height:calc(100vh - 74px);display:flex;align-items:flex-end}
.hero-portrait img{
  height:92%;max-height:840px;width:auto;object-fit:contain;
  filter:contrast(1.05) brightness(.99);
  -webkit-mask-image:linear-gradient(to bottom,#000 80%,transparent 99%);
          mask-image:linear-gradient(to bottom,#000 80%,transparent 99%);
}
.ph-tag{
  position:absolute;left:50%;top:18px;transform:translateX(-50%);z-index:4;
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  background:var(--accent-soft);border:1px dashed rgba(201,162,90,.5);
  padding:6px 14px;border-radius:999px;white-space:nowrap;
}

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

/* ---------- CARDS ---------- */
.card{
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(201,162,90,.4);box-shadow:var(--shadow)}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--text-dim);font-size:15px}
.service-card .icon,.service-card>.icon{font-size:26px;margin-bottom:14px;display:inline-block}
.service-list{list-style:none;margin-top:14px;display:grid;gap:9px}
.service-list li{position:relative;padding-left:22px;color:var(--text-dim);font-size:14.5px}
.service-list li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}

/* ---------- TAGS ---------- */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12.5px;padding:6px 12px;border-radius:8px;
  background:var(--bg-3);border:1px solid var(--line);color:var(--text-dim);
}
.skill-group{background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.skill-group h4{font-family:'Inter',sans-serif;font-size:15px;font-weight:600;display:flex;align-items:center;gap:9px;margin-bottom:6px}
.skill-group .ic{font-size:17px}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;display:grid;gap:26px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),transparent)}
.tl-item{position:relative;background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.tl-item::before{content:"";position:absolute;left:-26px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,162,90,.18)}
.tl-item .when{font-size:12.5px;color:var(--accent);font-weight:600;letter-spacing:.04em}
.tl-item h4{font-size:19px;margin-top:6px}
.tl-item .org{font-weight:600;color:var(--ink);font-size:15px;margin-top:2px}
.tl-item .loc{font-size:13px;color:var(--text-faint);margin-top:2px}
.tl-item ul{list-style:none;margin-top:12px;display:grid;gap:8px}
.tl-item ul li{position:relative;padding-left:18px;color:var(--text-dim);font-size:14.5px}
.tl-item ul li::before{content:"–";position:absolute;left:0;color:var(--accent)}

/* ---------- PILLS ---------- */
.pill-list{display:flex;flex-wrap:wrap;gap:11px}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);
  border-radius:999px;padding:10px 16px;font-size:14px;color:var(--text-dim);
}
.pill .yr{font-size:12px;color:var(--accent);font-weight:600}

/* ---------- AWARDS ---------- */
.award{display:flex;gap:14px;align-items:flex-start;background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.award .ic{font-size:24px;flex:none}
.award p{color:var(--text-dim);font-size:14.5px}
.award b{color:var(--ink)}

/* ---------- RECOMMENDATIONS / REFS ---------- */
.ref-card{background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.ref-card .who{display:flex;align-items:center;gap:12px}
.ava{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--accent-soft);border:1px solid rgba(201,162,90,.4);color:var(--accent);font-weight:700;font-size:14px;flex:none}
.ref-card .who h4{font-family:'Inter',sans-serif;font-size:15px;font-weight:600}
.ttl{font-size:13px;color:var(--text-faint)}

/* ---------- PROCESS ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step .n{font-family:'Playfair Display',serif;font-size:34px;color:var(--accent);opacity:.7}
.step h4{font-size:18px;margin:8px 0 6px}
.step p{color:var(--text-dim);font-size:14px}

/* ---------- CTA BAND ---------- */
.cta-band{
  text-align:center;border-radius:24px;padding:clamp(36px,6vw,64px);
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(201,162,90,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-2),var(--bg));
  border:1px solid var(--line);
}
.cta-band h2{font-size:clamp(26px,3.4vw,40px)}
.cta-band p{color:var(--text-dim);max-width:50ch;margin:14px auto 26px;font-size:16px}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.contact-item{display:flex;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line-2)}
.contact-item .ic{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);border:1px solid rgba(201,162,90,.35);color:var(--accent);font-size:18px;flex:none}
.contact-item .lbl{font-size:12px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em}
.contact-item a,.contact-item .val{font-size:15.5px;color:var(--ink)}
.contact-item a:hover{color:var(--accent)}
.socials{display:flex;gap:12px;margin-top:22px}
.socials a{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--text-dim);transition:.2s}
.socials a:hover{color:var(--accent);border-color:var(--accent)}
.form{background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13px;color:var(--text-dim);font-weight:500}
.field input,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:13px 15px;color:var(--ink);font-family:inherit;font-size:14.5px;transition:border-color .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:12.5px;color:var(--text-faint);text-align:center}

/* ---------- FOOTER ---------- */
.footer{border-top:1px solid var(--line-2);padding:44px 0 30px;margin-top:30px}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-2);font-size:13px;color:var(--text-faint)}

/* ---------- REVEAL ANIMATION ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .nav-links{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(10,12,16,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav-links.open{max-height:340px}
  .nav-links a{padding:15px clamp(20px,5vw,48px);width:100%;border-top:1px solid var(--line-2)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:block}
  .nav-cta .btn-primary{display:none}

  .hero{grid-template-columns:1fr;text-align:center;min-height:auto}
  .hero-copy{order:2;margin:0 auto;padding:24px 0 60px}
  .hero .eyebrow{justify-content:center}
  .hero-cta,.hero-stats{justify-content:center}
  .hero .section-lead{margin-left:auto;margin-right:auto}
  .hero-portrait{order:1;height:auto;padding-top:30px;justify-content:center}
  .hero-portrait img{height:auto;max-height:62vh}

  .grid-2,.grid-3{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid,.footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .process{grid-template-columns:1fr}
  .hero-stats{gap:26px}
}