/* ============================================================
   Pooja Singhal — Portfolio
   Dark + warm blend. Hand-coded, no framework.
   ============================================================ */

:root {
  /* dark base */
  --bg:        #0e1320;
  --bg-2:      #131a2b;
  --bg-card:   #182135;
  --bg-card-2: #1d2840;
  --border:    #243049;

  /* text */
  --text:      #e8edf6;
  --text-dim:  #9aa7bf;
  --text-mute: #6b7689;

  /* warm accents */
  --accent:        #5eead4;  /* warm teal */
  --accent-2:      #fbbf77;  /* amber */
  --accent-soft:   rgba(94, 234, 212, 0.12);
  --accent-glow:   rgba(94, 234, 212, 0.28);

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --maxw: 1080px;
  --radius: 14px;
  --shadow: 0 18px 40px -20px rgba(0,0,0,0.6);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* warm radial glow behind hero */
body::before {
  content: "";
  position: fixed;
  top: -20%; left: 50%;
  width: 900px; height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(94,234,212,0.10) 0%, rgba(251,191,119,0.05) 35%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { color: var(--text); font-weight: 600; }
.accent { color: var(--accent); }

/* ---------- layout helpers ---------- */
main { position: relative; z-index: 1; }
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 90px 28px;
}
.section__head {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 48px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.section__head--center { justify-content: center; text-align: center; }
.section__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: rgba(14, 19, 32, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, padding .3s, background .3s;
}
.nav.scrolled {
  padding: 11px 28px;
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px -20px rgba(0,0,0,.8);
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: .5px;
}
.nav__brand-dot { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__link {
  font-size: .92rem;
  color: var(--text-dim);
  transition: color .2s;
}
.nav__link:hover, .nav__link.active { color: var(--accent); }
.nav__num { font-family: var(--font-mono); font-size: .78rem; color: var(--accent); margin-right: 3px; }
.nav__resume {
  font-size: .9rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 16px;
  transition: background .2s, transform .2s;
}
.nav__resume:hover { background: var(--accent-soft); transform: translateY(-2px); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav__toggle span { width: 26px; height: 2px; background: var(--accent); transition: .3s; border-radius: 2px; }

/* ============ HERO ============ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 160px 28px 70px;
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero__greeting {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 18px;
}
.wave { display: inline-block; animation: wave 2.4s ease-in-out infinite; transform-origin: 70% 70%; }
@keyframes wave { 0%,60%,100%{transform:rotate(0)} 10%{transform:rotate(14deg)} 20%{transform:rotate(-8deg)} 30%{transform:rotate(14deg)} 40%{transform:rotate(-4deg)} 50%{transform:rotate(10deg)} }
.hero__name {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -1px;
  margin-bottom: 14px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--text-dim);
  line-height: 1.25;
  margin-bottom: 26px;
}
.hero__lead { color: var(--text-dim); max-width: 540px; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.hero__socials { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: .9rem; }
.hero__socials a { color: var(--text-dim); transition: color .2s; }
.hero__socials a:hover { color: var(--accent); }
.hero__socials .dot { color: var(--text-mute); }

.hero__photo { display: flex; justify-content: center; }
.hero__photo-frame {
  position: relative;
  width: 290px; height: 340px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.hero__photo-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, transparent 55%, rgba(94,234,212,0.18));
  pointer-events: none;
}
.hero__photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: saturate(1.05); }

/* ============ BUTTONS ============ */
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .98rem;
  padding: 13px 26px;
  border-radius: 10px;
  transition: transform .2s, box-shadow .2s, background .2s;
  display: inline-block;
}
.btn--primary {
  background: var(--accent);
  color: #06251f;
  box-shadow: 0 10px 26px -10px var(--accent-glow);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 16px 34px -10px var(--accent-glow); }
.btn--ghost { border: 1px solid var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.btn--lg { padding: 16px 38px; font-size: 1.05rem; }

/* ============ METRICS STRIP ============ */
.metrics {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.metric {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.metric:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 16px 32px -18px var(--accent-glow); }
.metric__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.metric__label { font-size: .86rem; color: var(--text-dim); }

/* ============ ABOUT ============ */
.about { display: grid; grid-template-columns: 1.6fr 1fr; gap: 44px; align-items: start; }
.about__text p { color: var(--text-dim); margin-bottom: 18px; }
.about__domains { color: var(--text); font-weight: 600; margin-top: 6px; margin-bottom: 14px !important; }
.about__tags { display: flex; flex-wrap: wrap; gap: 10px; }
.about__tags li {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border);
  padding: 6px 13px;
  border-radius: 20px;
}
.about__card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: sticky; top: 110px;
}
.about__card h3 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 18px; color: var(--accent-2); }
.about__card dl div { padding: 11px 0; border-bottom: 1px solid var(--border); }
.about__card dl div:last-child { border-bottom: 0; }
.about__card dt { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-mute); margin-bottom: 3px; }
.about__card dd { font-size: .94rem; color: var(--text); }

/* ============ TIMELINE ============ */
.timeline { display: flex; flex-direction: column; gap: 14px; }
.tl-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--bg-2), transparent);
  transition: border-color .25s, transform .25s, background .25s;
}
.tl-item:hover { border-color: var(--accent); transform: translateX(6px); background: linear-gradient(160deg, var(--bg-card), transparent); }
.tl-item__meta { display: flex; flex-direction: column; gap: 4px; }
.tl-item__date { font-family: var(--font-mono); font-size: .82rem; color: var(--text-mute); }
.tl-item__co { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--accent-2); }
.tl-item__role { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.tl-item__team { color: var(--accent); font-weight: 500; }
.tl-item__body > p { color: var(--text-dim); margin-bottom: 14px; }
.tl-item__points { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.tl-item__points li { position: relative; padding-left: 22px; color: var(--text-dim); font-size: .95rem; }
.tl-item__points li::before { content: "\25B8"; position: absolute; left: 0; color: var(--accent); }
.tl-item__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tl-item__tags li { font-family: var(--font-mono); font-size: .74rem; color: var(--text-dim); background: var(--bg-card); border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; }

/* ============ CARDS / IMPACT ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 20px 40px -22px var(--accent-glow); }
.card__metric {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.card h3 { font-family: var(--font-display); font-size: 1.08rem; margin-bottom: 10px; line-height: 1.3; }
.card p { font-size: .92rem; color: var(--text-dim); }

/* ============ SKILLS ============ */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.skills__col {
  background: linear-gradient(160deg, var(--bg-2), transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.skills__col h3 { font-family: var(--font-display); font-size: 1.05rem; color: var(--accent-2); margin-bottom: 16px; }
.skills__col li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: .92rem; color: var(--text-dim); }
.skills__col li::before { content: "\25AB"; position: absolute; left: 0; color: var(--accent); }
.certs { border-top: 1px solid var(--border); padding-top: 30px; }
.certs__head { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 16px; color: var(--accent-2); }
.certs__list { display: flex; flex-wrap: wrap; gap: 10px; }
.certs__list li {
  font-family: var(--font-mono); font-size: .82rem; color: var(--text-dim);
  border: 1px solid var(--border); background: var(--bg-card);
  padding: 7px 14px; border-radius: 8px;
}

/* ============ CONTACT ============ */
.section--contact { text-align: center; padding-bottom: 110px; }
.contact { max-width: 620px; margin: 0 auto; }
.contact__lead { color: var(--text-dim); margin-bottom: 34px; font-size: 1.08rem; }
/* contact form */
.contact-form { text-align: left; margin: 0 auto 30px; }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-mute);
  margin-bottom: 7px;
}
.field input, .field textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 15px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-mute); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; min-height: 110px; }
.field__honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form button { margin-top: 6px; width: 100%; cursor: pointer; border: 0; }
.contact-form__status { min-height: 1.4em; margin-top: 14px; font-size: .95rem; text-align: center; }
.contact-form__status.is-ok  { color: var(--accent); }
.contact-form__status.is-err { color: var(--accent-2); }
.contact__or { font-family: var(--font-mono); font-size: .82rem; color: var(--text-mute); margin: 8px 0 16px; }
.contact__socials { display: flex; justify-content: center; gap: 26px; margin-top: 8px; font-family: var(--font-mono); font-size: .92rem; flex-wrap: wrap; }
.contact__socials a { color: var(--text-dim); transition: color .2s; }
.contact__socials a:hover { color: var(--accent); }

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 30px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 12px;
}
.footer__top { color: var(--text-dim); transition: color .2s; }
.footer__top:hover { color: var(--accent); }

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

/* ============ RESPONSIVE ============ */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 130px; gap: 40px; }
  .hero__photo { order: -1; }
  .hero__photo-frame { width: 220px; height: 260px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
  .about__card { position: static; }
  .tl-item { grid-template-columns: 1fr; gap: 16px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .skills { grid-template-columns: 1fr; }

  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(75vw, 300px);
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    background: var(--bg-2);
    border-left: 1px solid var(--border);
    padding: 40px;
    transform: translateX(100%);
    transition: transform .35s ease;
  }
  .nav__links.open { transform: none; }
  .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .section { padding: 64px 20px; }
  .hero { padding: 120px 20px 50px; }
  .cards { grid-template-columns: 1fr; }
  .metrics { gap: 12px; }
  .metric { padding: 20px 14px; }
  .contact-form__row { grid-template-columns: 1fr; gap: 0; }
}

/* ============ A11Y ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }