/* =========================================================================
   Satyaprakash Mishra — portfolio
   Clean minimal design system. No build step; hand-written CSS.
   ========================================================================= */

/* ---- Tokens ---- */
:root {
  /* Color — near-black text on warm off-white, single restrained accent */
  --bg:        #faf7f1;
  --bg-soft:   #f2ece1;
  --surface:   #ffffff;
  --ink:       #1b1a17;
  --ink-soft:  #4a4741;
  --ink-mute:  #7a746a;
  --line:      #e3dccf;
  --accent:    #c8722b;   /* warm terracotta */
  --accent-ink:#a85c1d;
  --accent-wash: rgba(200,114,43,0.10);

  /* Type */
  --font-text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;

  /* Space & sizing */
  --maxw: 1080px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(4rem, 9vw, 7.5rem);
  --radius: 16px;
  --radius-sm: 10px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-text);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---- Layout helpers ---- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { padding-block: var(--section-y); }
.section-label {
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-ink); font-weight: 600; margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-label::before { content: ""; width: 26px; height: 2px; background: var(--accent); display: inline-block; }
.section-title {
  font-family: var(--font-display);
  font-weight: 550;
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.9rem);
  line-height: 1.1; letter-spacing: -0.015em;
  margin-bottom: 0.9rem;
}
.section-intro { color: var(--ink-soft); max-width: 60ch; font-size: 1.05rem; }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.scrolled { border-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav__brand { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.01em; }
.nav__brand span { color: var(--accent); }
.nav__links { display: flex; gap: 1.6rem; align-items: center; }
.nav__links a { font-size: 0.93rem; color: var(--ink-soft); font-weight: 500; transition: color .2s var(--ease); }
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  padding: 0.5rem 1rem; border-radius: 999px; background: var(--ink); color: var(--bg) !important;
  font-weight: 600;
}
.nav__cta:hover { background: var(--accent-ink); }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .3s var(--ease), opacity .2s; }

@media (max-width: 760px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.25rem;
    clip-path: inset(0 0 100% 0); transition: clip-path .35s var(--ease);
  }
  .nav__links a { padding: 0.7rem 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav__links .nav__cta { margin-top: 0.8rem; border-bottom: 0; width: auto; }
  .nav.open .nav__links { clip-path: inset(0 0 0 0); }
  .nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---- Hero ---- */
.hero { padding-top: clamp(2.5rem, 5vw, 4rem); }
.hero__grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
/* grid/flex items default to min-width:auto and refuse to shrink below their
   content — with large display type that forces horizontal overflow. Reset it. */
.hero__grid > *, .about__grid > *, .job > *, .stats__grid > *, .domains__grid > * { min-width: 0; }
.hero__eyebrow {
  font-size: 0.9rem; color: var(--accent-ink); font-weight: 600;
  letter-spacing: 0.02em; margin-bottom: 1.1rem;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 550;
  font-size: clamp(2.4rem, 1.3rem + 4.4vw, 4.3rem); line-height: 1.03;
  letter-spacing: -0.025em; margin-bottom: 1.2rem;
  overflow-wrap: break-word;
}
.hero h1 em { font-style: italic; color: var(--accent-ink); }
.hero__lead { font-size: clamp(1.08rem, 1rem + 0.4vw, 1.28rem); color: var(--ink-soft); max-width: 54ch; }
.hero__lead strong { color: var(--ink); font-weight: 650; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero__meta { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; color: var(--ink-mute); font-size: 0.92rem; }
.hero__meta span { display: inline-flex; align-items: center; gap: 0.45rem; }
.hero__meta b { color: var(--ink); font-weight: 600; }

.hero__photo { position: relative; }
.hero__photo img {
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 24px 26px rgba(27,26,23,0.22));
}
.hero__badge {
  position: absolute; bottom: -14px; left: -14px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; padding: 0.7rem 1rem;
  box-shadow: 0 12px 30px -14px rgba(27,26,23,0.35); font-size: 0.85rem; line-height: 1.3;
}
.hero__badge b { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--accent-ink); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.8rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: 0.97rem;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .18s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--accent-ink); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn--ghost:hover { border-color: var(--ink); }
.btn__arrow { transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---- Stats band ---- */
.stats { background: var(--bg-soft); border-block: 1px solid var(--line); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat b { font-family: var(--font-display); font-size: clamp(1.9rem, 1.2rem + 2.4vw, 2.9rem); font-weight: 600; color: var(--ink); display: block; line-height: 1; letter-spacing: -0.02em; }
.stat span { color: var(--ink-mute); font-size: 0.9rem; margin-top: 0.5rem; display: block; }

/* ---- Domains ---- */
.domains__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.domain {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.4rem; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.domain:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(27,26,23,0.3); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.domain__num { font-family: var(--font-display); color: var(--accent); font-size: 0.95rem; font-weight: 600; }
.domain h3 { font-family: var(--font-display); font-weight: 550; font-size: 1.35rem; letter-spacing: -0.01em; margin: 0.25rem 0 0.5rem; }
.domain p { color: var(--ink-soft); font-size: 0.97rem; margin-bottom: 1rem; }
.domain ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.domain li { position: relative; padding-left: 1.35rem; font-size: 0.93rem; color: var(--ink-soft); }
.domain li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.domain li b { color: var(--ink); font-weight: 650; }
.domain li .co { font-weight: 700; color: var(--accent-ink); white-space: nowrap; }

/* ---- Experience ---- */
.xp { background: var(--bg-soft); border-block: 1px solid var(--line); }
.xp__list { margin-top: 2.5rem; display: grid; gap: 0; }
.job {
  display: grid; grid-template-columns: 200px 1fr; gap: 1.5rem;
  padding: 1.9rem 0; border-top: 1px solid var(--line);
}
.job:last-child { border-bottom: 1px solid var(--line); }
.job__meta .job__co { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.job__meta .job__when { color: var(--ink-mute); font-size: 0.88rem; margin-top: 0.2rem; }
.job__meta .job__loc { color: var(--ink-mute); font-size: 0.85rem; }
.job__role { font-weight: 650; color: var(--accent-ink); margin-bottom: 0.35rem; }
.job__desc { color: var(--ink-soft); font-size: 0.97rem; margin-bottom: 0.7rem; }
.job__desc em { color: var(--ink); font-style: normal; font-weight: 600; }
.job ul { list-style: none; padding: 0; display: grid; gap: 0.45rem; }
.job ul li { position: relative; padding-left: 1.3rem; font-size: 0.94rem; color: var(--ink-soft); }
.job ul li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.job ul li b { color: var(--ink); font-weight: 650; }

/* ---- About ---- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.about__body p { color: var(--ink-soft); margin-bottom: 1rem; max-width: 56ch; }
.about__body p strong { color: var(--ink); }
.facets { display: grid; gap: 1rem; }
.facet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem 1.25rem; }
.facet h4 { font-family: var(--font-display); font-weight: 550; font-size: 1.08rem; margin-bottom: 0.2rem; }
.facet p { color: var(--ink-mute); font-size: 0.92rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.4rem; }
.chip { background: var(--accent-wash); color: var(--accent-ink); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); border-radius: 999px; padding: 0.35rem 0.85rem; font-size: 0.85rem; font-weight: 550; }

/* ---- Contact ---- */
.contact { background: var(--ink); color: var(--bg); }
.contact .section-title { color: var(--bg); }
.contact .section-label { color: var(--accent); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 2.5rem; }
.ccard {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius); padding: 1.8rem; transition: background .25s var(--ease), transform .25s var(--ease);
}
.ccard:hover { background: rgba(255,255,255,0.09); transform: translateY(-4px); }
.ccard h3 { font-family: var(--font-display); font-weight: 550; font-size: 1.3rem; margin-bottom: 0.4rem; }
.ccard p { color: rgba(250,247,241,0.7); font-size: 0.97rem; margin-bottom: 1.1rem; }
.ccard .ccard__link { color: var(--accent); font-weight: 650; display: inline-flex; align-items: center; gap: 0.4rem; }
.ccard .ccard__link:hover { color: #f0b271; }
.contact__foot { margin-top: 2.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: rgba(250,247,241,0.55); font-size: 0.9rem; }
.contact__foot a { color: rgba(250,247,241,0.8); }
.contact__foot a:hover { color: var(--accent); }

/* ---- Scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__photo { max-width: 340px; }
  .domains__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1rem; }
  .about__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .job { grid-template-columns: 1fr; gap: 0.6rem; }
}

/* ================= Anthropic tailored page ================= */
.ap-hero { padding-top: clamp(3rem, 7vw, 5rem); }
.ap-back { font-size: 0.9rem; color: var(--ink-mute); font-weight: 500; display: inline-flex; gap: 0.4rem; margin-bottom: 1.5rem; }
.ap-back:hover { color: var(--accent-ink); }
.ap-hero h1 { font-family: var(--font-display); font-weight: 550; font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); line-height: 1.06; letter-spacing: -0.02em; margin-bottom: 1rem; }
.ap-hero h1 em { font-style: italic; color: var(--accent-ink); }
.ap-hero .ap-sub { color: var(--ink-soft); font-size: 1.1rem; max-width: 60ch; }
.ap-note { margin-top: 1.5rem; background: var(--accent-wash); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); border-radius: var(--radius-sm); padding: 1rem 1.25rem; font-size: 0.95rem; color: var(--ink-soft); }
.ap-note b { color: var(--accent-ink); }

.map { display: grid; gap: 1rem; margin-top: 1rem; }
.mapitem { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.mapitem .req { font-weight: 650; color: var(--accent-ink); font-size: 0.9rem; letter-spacing: 0.01em; margin-bottom: 0.5rem; display: flex; gap: 0.5rem; align-items: baseline; }
.mapitem .req::before { content: "✓"; color: var(--accent); font-weight: 800; }
.mapitem p { color: var(--ink-soft); font-size: 0.98rem; }
.mapitem p b { color: var(--ink); }

.ap-close { background: var(--bg-soft); border-block: 1px solid var(--line); }
.ap-close p { color: var(--ink-soft); max-width: 64ch; margin-bottom: 1rem; font-size: 1.05rem; }
.ap-close p strong { color: var(--ink); }