/* ==========================================================
   Alima Bazenova — portfolio
   Black & white, one accent (cyan-blue). Office + lab theme.
   ========================================================== */

:root {
  --bg: #0b0b0c;
  --bg-2: #121214;
  --bg-3: #19191c;
  --line: #26262a;
  --ink: #f1efe9;
  --ink-2: #b9b7b1;
  --muted: #7b7a76;
  --accent: #2fb8cc;
  --accent-soft: rgba(47, 184, 204, .14);
  --paper: #f4f2ec;
  --paper-ink: #141414;

  --serif: "Playfair Display", "Didot", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1240px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--bg);
  /* graph-paper grid, like a lab notebook */
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font: 300 17px/1.65 var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
::selection { background: var(--accent); color: #000; }

.accent { color: var(--accent); font-style: inherit; }
em.accent { font-style: italic; }
.label {
  font: 500 11.5px/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
  margin-right: 8px; vertical-align: middle;
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }

/* ---------------- NAV ---------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px var(--gutter);
  background: linear-gradient(var(--bg) 40%, transparent);
}
.nav__logo { font: 400 22px var(--serif); text-decoration: none; letter-spacing: .02em; }
.nav__links { display: flex; gap: clamp(14px, 3vw, 40px); }
.nav__links a {
  font: 400 13px var(--mono); color: var(--ink-2); text-decoration: none;
  padding: 4px 0; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); border-color: var(--accent); }

/* ---------------- HERO ---------------- */
.hero {
  max-width: var(--max); margin: 0 auto;
  min-height: 100svh;
  padding: 120px var(--gutter) 60px;
  display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 40px;
}
.display {
  font: 400 clamp(46px, 7.4vw, 104px)/1.02 var(--serif);
  letter-spacing: -.01em; margin: 0 0 28px;
}
.hero__sub { font: 400 clamp(24px, 2.6vw, 34px)/1.25 var(--serif); color: var(--ink); margin: -8px 0 22px; }
.hero__list { list-style: none; margin: 0 0 34px; padding: 0; max-width: 640px; }
.hero__list li { display: grid; grid-template-columns: 110px 1fr; gap: 14px; align-items: baseline; padding: 7px 0; color: var(--ink-2); font-size: 16px; line-height: 1.45; }
.hero__list span { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
@media (max-width: 460px) { .hero__list li { grid-template-columns: 1fr; gap: 2px; } }
.hero__lead { max-width: 540px; color: var(--ink-2); font-size: 18px; margin: 0 0 32px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.hero__kicker { font-size: 15px; color: var(--muted); margin: 0 0 18px; }

.btn {
  font: 500 13px var(--mono); letter-spacing: .04em; text-decoration: none;
  padding: 13px 22px; border: 1px solid var(--line); border-radius: 999px;
  transition: all .25s var(--ease);
}
.btn:hover { border-color: var(--ink); }
.btn--solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); color: #000; }

/* hero text reveal */
.hero__text > * { opacity: 0; transform: translateY(18px); animation: rise .9s var(--ease) forwards; }
.hero__text > *:nth-child(1) { animation-delay: 1.1s; }
.hero__text > *:nth-child(2) { animation-delay: 1.25s; }
.hero__text > *:nth-child(3) { animation-delay: 1.4s; }
.hero__text > *:nth-child(4) { animation-delay: 1.55s; }
.hero__text > *:nth-child(5) { animation-delay: 1.7s; }
.hero__text > *:nth-child(6) { animation-delay: 1.85s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------------- BADGE ---------------- */
.badge-rig {
  position: relative; align-self: start;
  padding-bottom: 56px;
  margin-top: -120px; /* lanyard comes from the very top of the screen */
  display: flex; justify-content: center;
}
.badge-swing {
  position: relative; width: 300px;
  transform-origin: 50% 0;
  display: flex; flex-direction: column; align-items: center;
  animation: drop 1.6s cubic-bezier(.3, 1.35, .45, 1) .15s both;
  touch-action: none; cursor: grab;
  will-change: transform;
}
.badge-swing.is-dragging { cursor: grabbing; }
@keyframes drop {
  0%   { transform: translateY(-110%) rotate(-6deg); }
  60%  { transform: translateY(2%) rotate(4deg); }
  80%  { transform: translateY(-1%) rotate(-2deg); }
  100% { transform: translateY(0) rotate(0); }
}
.lanyard, .clip, .badge { flex-shrink: 0; }
.lanyard {
  width: 34px; height: clamp(170px, 26svh, 260px);
  background: linear-gradient(90deg, #1b1b1e, #232327 50%, #1b1b1e);
  border-left: 1px solid #333338; border-right: 1px solid #333338;
  overflow: hidden; position: relative;
}
.lanyard span {
  position: absolute; left: 50%; top: 0;
  writing-mode: vertical-rl; transform: translateX(-50%);
  font: 500 10px/1 var(--mono); letter-spacing: .22em; color: #cfcdc7; white-space: nowrap;
}
.clip {
  width: 30px; height: 26px; margin-top: -2px;
  background: linear-gradient(#c9c9c9, #8d8d8d);
  border-radius: 4px 4px 8px 8px;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.25);
  position: relative; z-index: 2;
}
.clip::after {
  content: ""; position: absolute; left: 50%; bottom: -12px; transform: translateX(-50%);
  width: 10px; height: 16px; border: 2px solid #9a9a9a; border-top: 0; border-radius: 0 0 6px 6px;
}
.badge {
  width: 100%; margin-top: 8px;
  background: var(--paper); color: var(--paper-ink);
  border-radius: 14px; padding: 22px 20px 18px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.06);
  position: relative;
  user-select: none; -webkit-user-select: none;
}
.badge__hole {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 46px; height: 7px; border-radius: 4px; background: var(--bg);
}
.badge__head {
  display: flex; justify-content: space-between;
  font: 500 10px var(--mono); letter-spacing: .14em; color: #6a6a6a; margin: 6px 0 12px;
}
.badge__photo { position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: 6px; background: #ccc; }
.badge__photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(1.02);
  transition: filter .6s var(--ease);
  pointer-events: none;
}
.badge:hover .badge__photo img { filter: grayscale(0); }
/* a detection box around the face: the CV touch */
.badge__bbox {
  position: absolute; left: 30%; top: 8%; width: 44%; height: 46%;
  border: 1.5px solid var(--accent);
  opacity: 0; transition: opacity .3s;
  animation: bbox-in .5s 2s forwards;
}
.badge__bbox i {
  position: absolute; top: -17px; left: -1.5px;
  background: var(--accent); color: #000;
  font: 500 9.5px/1 var(--mono); font-style: normal; padding: 3px 5px; white-space: nowrap;
}
@keyframes bbox-in { to { opacity: 1; } }
.badge__name { font: 400 30px/1.02 var(--serif); margin: 14px 0 6px; }
.badge__role { font: 500 11px var(--mono); letter-spacing: .06em; color: #444; }
.badge__foot { display: flex; justify-content: space-between; align-items: end; margin-top: 16px; padding-top: 12px; border-top: 1px dashed #c8c6c0; }
.badge__access { font: 400 10px/1.5 var(--mono); color: #333; }
.badge__access span { display: block; color: #8a8a8a; letter-spacing: .14em; text-transform: uppercase; font-size: 9px; }
.barcode {
  width: 84px; height: 28px;
  background: repeating-linear-gradient(90deg,
    #111 0 2px, transparent 2px 4px, #111 4px 5px, transparent 5px 8px,
    #111 8px 11px, transparent 11px 12px, #111 12px 13px, transparent 13px 16px);
}
.badge-hint {
  position: absolute; bottom: 16px; left: 0; right: 0; text-align: center;
  opacity: 0; animation: rise .8s 2.4s forwards; white-space: nowrap;
}

/* ---------------- SECTIONS ---------------- */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(80px, 12vw, 150px) var(--gutter) 0; }
.section__head { margin-bottom: 56px; }
.title { font: 400 clamp(36px, 5vw, 64px)/1.06 var(--serif); margin: 0; letter-spacing: -.005em; }
.section__note { color: var(--ink-2); max-width: 520px; margin: 20px 0 0; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* About */
.about__grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 72px; align-items: start; }
.about__body .title { margin-bottom: 40px; }
.about__body p { margin: 0 0 20px; color: var(--ink-2); font-size: 18px; }

/* Education: sits level with the About heading */
.edu { padding-top: 10px; }
.edu__heading { font: 400 26px var(--serif); color: var(--ink); margin: 0 0 22px; }
.edu__item {
  position: relative; padding: 0 0 30px 26px;
  border-left: 1px solid var(--line);
}
.edu__item:last-child { padding-bottom: 4px; }
.edu__item::before { /* timeline node */
  content: ""; position: absolute; left: -5px; top: 6px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--accent);
}
.edu__item:first-of-type::before { background: var(--accent); }
.edu__years { display: block; font: 400 13px var(--mono); color: var(--accent); margin-bottom: 8px; }
.edu__item h4 { font: 400 26px/1.15 var(--serif); color: var(--ink); margin: 0 0 6px; }
.edu__item p { margin: 0; color: var(--ink-2); font-size: 16px; }
.edu__item .edu__note { color: var(--muted); font-size: 14.5px; margin-top: 4px; }

/* ---------------- ARCHIVE / FOLDERS ---------------- */
.shelf {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 64px 28px;
  padding-top: 40px;
}
.folder {
  all: unset; box-sizing: border-box; cursor: pointer;
  position: relative; display: block;
  min-height: 300px;
  -webkit-tap-highlight-color: transparent;
}
.folder__tab {
  position: absolute; top: -30px; left: 0;
  height: 32px; padding: 9px 18px 0;
  background: var(--bg-3); border: 1px solid var(--line); border-bottom: 0;
  border-radius: 10px 10px 0 0;
  font: 500 10.5px var(--mono); letter-spacing: .14em; color: var(--ink-2);
  z-index: 1;
}
/* the "paper" peeking out of the folder */
.folder__paper {
  position: absolute; left: 6%; right: 6%; top: 10px; height: 200px;
  background: var(--paper); border-radius: 6px; padding: 8px;
  transform: translateY(0) rotate(-1deg);
  transition: transform .55s var(--ease);
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  z-index: 0; overflow: hidden;
}
.folder__paper img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 3px; filter: grayscale(1); transition: filter .5s; }
.folder__body {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; gap: 8px;
  margin-top: 70px; min-height: 190px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 0 12px 12px 12px;
  padding: 26px 26px 24px;
  transition: border-color .3s, transform .5s var(--ease);
  box-shadow: 0 -18px 30px -16px rgba(0,0,0,.7);
}
.folder__status { font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.folder__title { font: 400 clamp(22px, 2.3vw, 28px)/1.18 var(--serif); color: var(--ink); max-width: 30ch; }
.folder__meta { font: 400 12px var(--mono); color: var(--ink-2); }
.folder__body::after { content: "open file →"; margin-top: auto; padding-top: 18px; font: 400 12px var(--mono); color: var(--muted); transition: color .3s; }
.folder:hover .folder__paper, .folder:focus-visible .folder__paper { transform: translateY(-46px) rotate(1.2deg); }
.folder:hover .folder__paper img { filter: grayscale(0); }
.folder:hover .folder__body, .folder:focus-visible .folder__body { border-color: var(--accent); }
.folder:hover .folder__tab, .folder:focus-visible .folder__tab { color: var(--accent); border-color: var(--accent); }
.folder:hover .folder__body::after { color: var(--accent); }
.folder:focus-visible { outline: none; }

/* ---------------- LAB NOTEBOOK ---------------- */
.log { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.log__entry {
  display: grid; grid-template-columns: 200px 1fr; gap: 32px;
  padding: 36px 0; border-bottom: 1px solid var(--line);
}
.log__date { font: 400 15px var(--mono); color: var(--accent); letter-spacing: .04em; padding-top: 6px; }
.log__main h3 { font: 400 clamp(22px, 2.4vw, 28px)/1.2 var(--serif); margin: 0 0 6px; }
.log__org { font: 400 12.5px var(--mono); color: var(--muted); margin: 0 0 16px; }
.log__main ul { margin: 0; padding-left: 18px; color: var(--ink-2); }
.log__main li { margin-bottom: 8px; }
.log__main li::marker { color: var(--muted); }
mark { background: none; color: var(--accent); font-weight: 400; }
.pub { margin-top: 48px; }
.pub h3 { font: italic 400 22px var(--serif); margin: 0 0 10px; }
.pub p:last-child { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.pub a { color: var(--accent); text-decoration: none; font-family: var(--mono); font-size: 13px; }

/* ---------------- SKILLS ---------------- */
.skills { display: grid; grid-template-columns: 180px 1fr; margin: 0; }
.skills dt, .skills dd { margin: 0; padding: 9px 0; }
.skills dt { font: 500 11.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); padding-top: 14px; }
.skills dd { color: var(--ink-2); font-size: 17px; line-height: 1.5; }

/* ---------------- CONTACT ---------------- */
.contact {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(100px, 14vw, 180px) var(--gutter) 80px; text-align: center;
}
.contact .title { margin-bottom: 44px; }
.contact__links .arr { font: 300 .8em var(--sans); }
.contact__links { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 44px; }
.contact__links a { font: 400 clamp(20px, 2.2vw, 26px) var(--serif); color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 4px; transition: color .2s, border-color .2s; }
.contact__links a:hover { color: var(--accent); border-color: var(--accent); }
.footer {
  max-width: var(--max); margin: 0 auto; padding: 28px var(--gutter);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; font: 400 12px var(--mono); color: var(--muted);
}
.footer .label { margin: 0; }

/* ---------------- DOSSIER DIALOG ---------------- */
.dossier {
  border: 0; padding: 0; margin: 0;
  width: 100%; max-width: 100%; height: 100%; max-height: 100%;
  background: transparent; color: var(--ink);
}
.dossier::backdrop { background: rgba(5,5,6,.82); backdrop-filter: blur(4px); }
.dossier[open] .dossier__sheet { animation: sheet-in .55s var(--ease); }
@keyframes sheet-in { from { transform: translateY(60px); opacity: 0; } }
.dossier__sheet {
  position: relative;
  width: min(1040px, calc(100% - 32px)); margin: 40px auto;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 0 14px 14px 14px;
  padding: clamp(28px, 5vw, 64px);
}
.dossier__sheet::before { /* folder tab on the open file */
  content: "CASE FILE"; position: absolute; top: -31px; left: -1px;
  height: 31px; padding: 9px 18px 0;
  background: var(--bg-2); border: 1px solid var(--line); border-bottom: 0; border-radius: 10px 10px 0 0;
  font: 500 10.5px var(--mono); letter-spacing: .14em; color: var(--accent);
}
.dossier__close {
  position: absolute; top: 18px; right: 18px;
  width: 40px; height: 40px; border-radius: 50%;
  background: transparent; border: 1px solid var(--line); color: var(--ink); cursor: pointer; font-size: 15px;
}
.dossier__close:hover { border-color: var(--accent); color: var(--accent); }
.dossier__title { font: 400 clamp(30px, 4.4vw, 52px)/1.08 var(--serif); margin: 0 0 22px; max-width: 22ch; }
.dossier__lead { font-size: 18.5px; color: var(--ink-2); max-width: 70ch; margin: 0 0 36px; }
.dossier h3 { font: 500 11.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.dossier ul { padding-left: 18px; margin: 0; color: var(--ink-2); }
.dossier li { margin-bottom: 9px; }
.dossier p { color: var(--ink-2); }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 40px; }
.facts div { padding: 20px; }
.facts div + div { border-left: 1px solid var(--line); }
.facts b { display: block; font: 400 30px/1 var(--serif); color: var(--accent); margin-bottom: 8px; }
.facts span { font: 400 11.5px/1.5 var(--mono); color: var(--ink-2); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-bottom: 40px; align-items: start; }
.cols--3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fig { margin: 0 0 40px; }
.cols .fig { margin: 0; }
.fig img, .fig video { width: 100%; border-radius: 8px; background: #fff; }
.fig video { background: #000; }
.fig figcaption { font: 400 12px/1.6 var(--mono); color: var(--muted); margin-top: 10px; }
.fig figcaption a { color: var(--accent); }
.fig--phone img { background: transparent; }
.stack { margin: 0 0 20px; color: var(--muted); font-size: 15px; }
.stack::before { content: "Built with "; }
.stack span { color: var(--ink-2); }
.stack span:not(:last-child)::after { content: ", "; }
.stack span:last-child::after { content: "."; }
.links a { font: 500 13px var(--mono); color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 2px; }
body.no-scroll { overflow: hidden; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 0; min-height: auto; }
  .hero { padding-top: 0; }
  .badge-rig { order: -1; height: auto; margin-top: 0; padding-bottom: 56px; }
  .badge-swing { width: 250px; }
  .lanyard { height: 120px; }
  .badge__name { font-size: 26px; }
  .about__grid { grid-template-columns: 1fr; gap: 32px; }
  .edu { padding-top: 0; }
  .skills { grid-template-columns: 1fr; }
  .skills dt { border-bottom: 0; padding-bottom: 2px; }
  .skills dd { padding-top: 4px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts div:nth-child(3) { border-left: 0; }
  .facts div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .shelf { grid-template-columns: 1fr; gap: 72px; }
  .log__entry { grid-template-columns: 1fr; gap: 10px; }
  .cols, .cols--3 { grid-template-columns: 1fr; }
  .cols--3 .fig { max-width: 320px; }
  .dossier__sheet { margin: 48px auto 16px; }
}
@media (max-width: 460px) {
  .contact__links { gap: 12px 22px; }
  .contact__links a { font-size: 19px; }
  .facts { grid-template-columns: 1fr; }
  .facts div + div { border-left: 0; border-top: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}