/* =========================================================
   Aditya Raj Pandey — Portfolio
   Deep Sea Blue · section-wise scroll color system
   ========================================================= */

:root {
  /* Palette */
  --smart-blue: #0466c8;
  --steel-azure: #0353a4;
  --regal-navy: #023e7d;
  --prussian-1: #002855;
  --prussian-2: #001845;
  --prussian-3: #001233;
  --twilight: #33415c;
  --blue-slate: #5c677d;
  --slate-grey: #7d8597;
  --cool-steel: #979dac;

  /* Live, JS-driven section colors (defaults = hero / dark) */
  --bg: #001233;
  --fg: #ffffff;
  --accent: #9fd0ff;

  /* Derived helpers */
  --muted: color-mix(in srgb, var(--fg) 64%, transparent);
  --hair: color-mix(in srgb, var(--fg) 14%, transparent);
  --card: color-mix(in srgb, var(--fg) 4%, transparent);

  --maxw: 1120px;
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22, 1, .36, 1);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: -0.011em;
  overflow-x: hidden;
  transition: background-color .6s var(--ease), color .6s var(--ease);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Dark sections recompute helpers so cards/borders read on dark bg */
.section--dark {
  --muted: color-mix(in srgb, var(--fg) 72%, transparent);
  --hair: color-mix(in srgb, var(--fg) 18%, transparent);
  --card: color-mix(in srgb, var(--fg) 7%, transparent);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.ic { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed; top: -100px; left: 12px; z-index: 1000;
  background: var(--smart-blue); color: #fff; padding: .6rem 1rem; border-radius: 10px;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 200;
  background: transparent; pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--smart-blue), #5fa8ff);
  box-shadow: 0 0 12px color-mix(in srgb, var(--smart-blue) 60%, transparent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 600; font-size: .95rem; line-height: 1;
  padding: .8rem 1.15rem; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn--sm { padding: .55rem .9rem; font-size: .88rem; }
.btn--solid {
  background: var(--smart-blue); color: #fff;
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--smart-blue) 80%, transparent);
}
.btn--solid:hover { background: #0a73db; transform: translateY(-2px); box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--smart-blue) 85%, transparent); }
.btn--ghost {
  background: var(--card); color: var(--fg); border-color: var(--hair);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--fg) 38%, transparent); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 150;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--hair);
}
.nav__inner {
  width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  font-size: .92rem; font-weight: 500; color: var(--muted);
  position: relative; transition: color .2s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .25s var(--ease);
}
.nav__links a:hover { color: var(--fg); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.is-active { color: var(--fg); }
.nav__links a.is-active::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: .6rem; }
.nav__toggle { display: none; background: var(--card); border: 1px solid var(--hair); color: var(--fg); width: 42px; height: 42px; border-radius: 12px; cursor: pointer; align-items: center; justify-content: center; }
.nav__mobile { display: none; }

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: clamp(5rem, 9vw, 8rem) 0;
}
.section__head { max-width: 760px; margin-bottom: clamp(2.2rem, 5vw, 3.4rem); }
.section__kicker {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.section__title {
  font-size: clamp(1.9rem, 4.6vw, 3rem); line-height: 1.08; font-weight: 800;
  letter-spacing: -0.03em;
}
.section__sub { margin-top: 1rem; color: var(--muted); font-size: 1.05rem; max-width: 60ch; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding-top: 90px; overflow: hidden;
}
/* Cover photo = full-bleed hero background */
.hero__bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero__cover {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transform: scale(1.06); filter: brightness(.5) saturate(1.15);
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 85% at 50% 0%, rgba(4, 102, 200, .30), transparent 55%),
    linear-gradient(180deg, rgba(0, 18, 51, .76) 0%, rgba(0, 18, 51, .88) 55%, var(--prussian-3) 100%);
}
.hero__grid-lines {
  position: absolute; inset: 0; opacity: .22;
  background-image:
    linear-gradient(rgba(159, 208, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 208, 255, .12) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(circle at 50% 38%, #000 28%, transparent 72%);
  mask-image: radial-gradient(circle at 50% 38%, #000 28%, transparent 72%);
}

.hero__inner {
  position: relative; z-index: 1; max-width: 880px; margin-inline: auto;
  text-align: center; display: flex; flex-direction: column; align-items: center;
}

/* Profile photo — the focal point */
.hero__avatar-wrap { position: relative; width: clamp(150px, 26vw, 218px); aspect-ratio: 1; margin-bottom: 1.8rem; }
.hero__avatar {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; object-position: 50% 20%;
  border: 5px solid rgba(255, 255, 255, .92);
  box-shadow: 0 26px 60px -18px rgba(0, 0, 0, .7), 0 0 0 1px rgba(159, 208, 255, .3);
  position: relative; z-index: 1;
}
.hero__avatar-ring {
  position: absolute; inset: -14px; border-radius: 50%;
  border: 1.5px solid rgba(159, 208, 255, .4);
  animation: pulsering 3.6s var(--ease) infinite;
}
@keyframes pulsering {
  0% { transform: scale(1); opacity: .7; }
  70%, 100% { transform: scale(1.14); opacity: 0; }
}

.hero__eyebrow {
  display: inline-block; font-weight: 600; font-size: .88rem; letter-spacing: .01em;
  color: #cfe6ff; background: rgba(159, 208, 255, .12);
  border: 1px solid rgba(159, 208, 255, .26);
  padding: .45rem .9rem; border-radius: 999px; margin-bottom: 1.4rem;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.hero__title {
  font-size: clamp(2.8rem, 9vw, 5.6rem); line-height: .98; font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(120deg, #ffffff 32%, #9fd0ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__role {
  margin-top: .7rem; font-size: clamp(1.1rem, 3vw, 1.55rem); font-weight: 600;
  color: #9fd0ff; display: inline-flex; align-items: center; gap: .6rem; justify-content: center;
}
.hero__role .dot { color: var(--smart-blue); }
.hero__lede { margin-top: 1.5rem; font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: rgba(255, 255, 255, .82); max-width: 60ch; }
.hero__lede strong { color: #fff; font-weight: 700; }
.hero__meta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: .45rem; font-size: .88rem; font-weight: 500;
  color: rgba(255, 255, 255, .9); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
  padding: .5rem .9rem; border-radius: 999px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; justify-content: center; }
.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 1;
  width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .4);
  border-radius: 999px; display: grid; place-items: start center; padding-top: 7px;
}
.hero__scroll span { width: 4px; height: 8px; border-radius: 4px; background: #9fd0ff; animation: scrolly 1.6s var(--ease) infinite; }
@keyframes scrolly { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* Contact form status */
.form-status { margin-top: .9rem; font-size: .9rem; min-height: 1.2em; color: var(--muted); }
.form-status[data-type="ok"] { color: #6fffa9; }
.form-status[data-type="warn"] { color: #ffd27d; }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about__bio p { color: var(--muted); font-size: 1.08rem; margin-bottom: 1.2rem; }
.about__bio strong { color: var(--fg); font-weight: 600; }
.about__langs { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.about__langs li {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius-sm);
  padding: .7rem 1rem; display: flex; flex-direction: column;
}
.about__langs span { font-weight: 600; }
.about__langs small { color: var(--muted); font-size: .8rem; }

.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 1.4rem 1.2rem; transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.stat:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.stat__num { display: block; font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; color: var(--smart-blue); }
.stat__label { display: block; margin-top: .35rem; font-size: .85rem; color: var(--muted); line-height: 1.4; }

/* ---------- Counters (experience) ---------- */
.counters { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 3rem; max-width: 620px; }
.counter {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 1.4rem 1.4rem;
}
.counter__num { display: block; font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 800; letter-spacing: -0.02em; color: var(--fg); }
.counter__label { display: block; margin-top: .4rem; font-weight: 600; font-size: .95rem; }
.counter__label small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; margin-top: .15rem; }

/* ---------- Featured post (above Experience) ---------- */
.featured { padding: clamp(1.5rem, 4vw, 2.5rem) 0; }
.featured__list { display: flex; flex-direction: column; gap: clamp(1rem, 2vw, 1.4rem); }
.featured-card {
  --fc-muted: rgba(244, 248, 255, .66);
  display: grid;
  grid-template-columns: clamp(120px, 22vw, 200px) 1fr auto;
  align-items: center; gap: clamp(1rem, 3vw, 1.8rem);
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border-radius: var(--radius); color: #f4f8ff;
  background: linear-gradient(120deg, rgba(4, 102, 200, .20), rgba(0, 24, 69, .55)), #001233;
  border: 1px solid rgba(159, 208, 255, .26);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, .85);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.featured-card:hover { transform: translateY(-4px); border-color: rgba(159, 208, 255, .55); box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .9); }
.featured-card__media { position: relative; overflow: hidden; border-radius: var(--radius-sm); aspect-ratio: 16 / 10; background: rgba(255, 255, 255, .05); }
.featured-card__thumb { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .5s var(--ease); }
.featured-card:hover .featured-card__thumb { transform: scale(1.05); }
.featured-card__body { min-width: 0; display: flex; flex-direction: column; gap: .5rem; }
.featured-card__badge {
  display: inline-flex; align-items: center; gap: .45rem; align-self: flex-start;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: #9fd0ff; background: rgba(159, 208, 255, .12); border: 1px solid rgba(159, 208, 255, .3);
  padding: .3rem .65rem; border-radius: 999px;
}
.featured-card__title { font-size: clamp(1.15rem, 2.6vw, 1.5rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
.featured-card__excerpt {
  color: var(--fc-muted); font-size: .96rem; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-card__cta { display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap; font-weight: 600; font-size: .92rem; color: #9fd0ff; transition: transform .25s var(--ease); }
.featured-card:hover .featured-card__cta { transform: translateX(3px); }
@media (max-width: 720px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__media { aspect-ratio: 16 / 9; }
  .featured-card__cta { justify-self: flex-start; }
}

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--accent), color-mix(in srgb, var(--accent) 10%, transparent));
}
.timeline__item { position: relative; padding-bottom: 2rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute; left: -28px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.timeline__item--feature .timeline__dot { box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 22%, transparent); }

.exp-card {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: clamp(1.3rem, 3vw, 2rem); transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.exp-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.exp-card--compact { padding: 1.2rem 1.4rem; }
.exp-card__top { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: flex-start; }
.exp-card__role { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.exp-card--compact .exp-card__role { font-size: 1.08rem; }
.exp-card__org { color: var(--muted); font-weight: 500; margin-top: .2rem; }
.exp-card__when { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: .4rem; }
.exp-card__dates { font-size: .85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.exp-card__note { margin-top: 1rem; color: var(--muted); }
.exp-card__note strong { color: var(--fg); }
.exp-card__block { margin-top: 1.4rem; }
.exp-card__block h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: .6rem; }
.exp-card ul li, .por-card ul li { position: relative; padding-left: 1.1rem; margin-bottom: .45rem; color: var(--muted); }
.exp-card ul li::before, .por-card ul li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.exp-card ul li strong { color: var(--fg); font-weight: 600; }
.exp-card--compact > ul { margin-top: .9rem; }

.badge {
  display: inline-flex; font-size: .72rem; font-weight: 600; letter-spacing: .03em;
  padding: .28rem .6rem; border-radius: 999px; border: 1px solid var(--hair);
  color: var(--muted); text-transform: uppercase;
}
.badge--accent { background: color-mix(in srgb, var(--accent) 18%, transparent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--fg); }

/* ---------- Tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.tags li {
  font-size: .8rem; font-weight: 500; padding: .35rem .7rem; border-radius: 8px;
  background: var(--card); border: 1px solid var(--hair); color: var(--muted);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.tags li:hover { color: var(--fg); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }

/* ---------- Projects ---------- */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.project {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem); display: flex; flex-direction: column;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.project:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); box-shadow: 0 24px 50px -30px rgba(0, 0, 0, .6); }
.project__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.project__title { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; }
.project__links { display: flex; gap: .4rem; }
.project__links a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--hair); color: var(--muted); transition: color .2s, border-color .2s, transform .2s; }
.project__links a:hover { color: var(--fg); border-color: var(--accent); transform: translateY(-2px); }
.project__desc { margin-top: 1rem; color: var(--muted); font-size: .98rem; flex: 1; }
.project__points { margin-top: 1rem; flex: 1; display: flex; flex-direction: column; gap: .5rem; }
.project__points li { position: relative; padding-left: 1.1rem; color: var(--muted); font-size: .95rem; line-height: 1.5; }
.project__points li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.project__points li strong { color: var(--fg); font-weight: 600; }
.project__badge {
  align-self: flex-start; margin-top: 1rem; font-size: .72rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; color: #6fffa9; background: rgba(60, 255, 150, .1);
  border: 1px solid rgba(60, 255, 150, .3); padding: .25rem .6rem; border-radius: 999px;
}

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.skill-card {
  background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: clamp(1.3rem, 3vw, 1.8rem); transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.skill-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.skill-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .4rem; }
.skill-card:first-child { grid-column: 1 / -1; }
.skill-card:nth-child(2) { grid-column: 1 / -1; }

/* ---------- Education ---------- */
.edu-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.4rem; }
.edu-card { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2rem); }
.edu-card__top { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
.edu-card h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; }
.edu-card .exp-card__org { margin-top: .3rem; }
.edu-card .project__desc { margin-top: 1rem; }
.edu-card--cert { display: flex; flex-direction: column; gap: .3rem; background: color-mix(in srgb, var(--accent) 8%, transparent); }
.edu-card--cert .section__kicker { margin-bottom: .3rem; }

/* ---------- Achievements / Leadership ---------- */
.awards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3rem; }
.award { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 1.4rem; }
.award strong { display: block; font-size: 1.15rem; font-weight: 700; color: var(--fg); }
.award span { color: var(--muted); font-size: .9rem; }
.leadership__subhead { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1.4rem; }
.por { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.por-card { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 1.4rem; transition: transform .3s var(--ease), border-color .3s var(--ease); }
.por-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.por-card__tag { display: inline-block; font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .6rem; }
.por-card h4 { font-size: 1.02rem; font-weight: 700; line-height: 1.3; }
.por-card__meta { color: var(--muted); font-size: .82rem; margin: .3rem 0 .8rem; }
.por-card ul li { font-size: .9rem; }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: start; }
.contact__email {
  display: flex; align-items: center; gap: .7rem; width: 100%; cursor: pointer; text-align: left;
  background: var(--card); border: 1px solid var(--hair); color: var(--fg);
  padding: 1rem 1.2rem; border-radius: var(--radius); font: inherit; font-size: .98rem; font-weight: 500;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.contact__email:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact__email > span:nth-of-type(1) { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.contact__copy { font-size: .78rem; color: var(--accent); font-weight: 600; }
.contact__socials { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.2rem; }

.contact__form { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2rem); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .45rem; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: .95rem; color: var(--fg);
  background: color-mix(in srgb, var(--fg) 4%, transparent); border: 1px solid var(--hair);
  border-radius: var(--radius-sm); padding: .75rem .9rem; resize: vertical;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.hp { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.footer { background: var(--prussian-3); color: #fff; padding: 2.4rem 0; border-top: 1px solid rgba(255, 255, 255, .08); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer__name { font-weight: 700; letter-spacing: -0.01em; }
.footer__note { color: rgba(255, 255, 255, .55); font-size: .85rem; }
.footer__socials { display: flex; gap: .5rem; }
.footer__socials a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .8); transition: color .2s, border-color .2s, transform .2s; }
.footer__socials a:hover { color: #fff; border-color: var(--smart-blue); transform: translateY(-2px); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 140; width: 48px; height: 48px;
  display: grid; place-items: center; border-radius: 50%; cursor: pointer;
  background: var(--smart-blue); color: #fff; border: none;
  box-shadow: 0 10px 24px -8px rgba(4, 102, 200, .7);
  opacity: 0; pointer-events: none; transform: translateY(16px) scale(.9); transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.to-top:hover { background: #0a73db; transform: translateY(-2px) scale(1.05); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Focus visibility ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__inner { justify-content: flex-end; }
  .nav__toggle { display: inline-flex; }
  .nav__mobile {
    display: flex; flex-direction: column; gap: .25rem; padding: 1rem 1.25rem 1.5rem;
    background: color-mix(in srgb, var(--bg) 96%, #fff); border-top: 1px solid var(--hair);
    box-shadow: 0 12px 30px -16px rgba(0, 0, 0, .4);
  }
  .nav__mobile[hidden] { display: none; }
  .nav__mobile a { padding: .7rem .4rem; font-weight: 500; border-bottom: 1px solid var(--hair); }
  .nav__mobile a:last-child { border-bottom: none; margin-top: .6rem; justify-content: center; }
  .nav.is-open { background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(14px); }

  .about__grid { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .skills { grid-template-columns: 1fr; }
  .skill-card:first-child, .skill-card:nth-child(2) { grid-column: auto; }
  .edu-grid { grid-template-columns: 1fr; }
  .counters { grid-template-columns: 1fr; max-width: none; }
  .awards { grid-template-columns: 1fr; }
  .por { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .exp-card__when { text-align: left; align-items: flex-start; }
  .exp-card__top { flex-direction: column; }
  .hero__cta .btn { flex: 1 1 auto; justify-content: center; }
}

@media (min-width: 1500px) {
  :root { --maxw: 1240px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  body { transition: background-color .2s linear, color .2s linear; }
}