/* StillLooping — design system ported from the mockup.
   Fonts: Newsreader (headings) + IBM Plex Sans (text), loaded in base.html. */

:root {
  --bg: #FAF9F6;
  --surface: #FFFFFF;
  --surface-alt: #F0EFE9;
  --text: #17181A;
  --text-2: #33343A;
  --text-3: #55565A;
  --text-nav: #4A4B4D;
  --muted: #8B8C87;
  --accent: #1F5C54;
  --accent-dark: #17453F;
  --line: rgba(23, 24, 26, 0.1);
  --line-strong: rgba(23, 24, 26, 0.18);
  --radius: 6px;
  --gutter: 80px;
  --max: 1440px;
  --serif: "Newsreader", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding-left: 20px; }
em.serif { font-family: var(--serif); }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.measure { max-width: 780px; }
.justify, .justify p, .justify li { text-align: justify; hyphens: auto; }

/* ---------- Typography ---------- */
.eyebrow { font-size: 14px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.eyebrow--sm { font-size: 13px; letter-spacing: 1.1px; }
.h-display { font-family: var(--serif); font-size: clamp(36px, 5vw, 60px); line-height: 1.15; font-weight: 500; letter-spacing: -0.5px; margin: 0; }
.h-page { font-family: var(--serif); font-size: clamp(34px, 4vw, 48px); line-height: 1.25; font-weight: 500; margin: 0; }
.h-section { font-family: var(--serif); font-size: clamp(28px, 3vw, 37px); line-height: 1.3; font-weight: 500; margin: 0; }
.h-block { font-family: var(--serif); font-size: 28px; font-weight: 500; margin: 0; }
.h-card { font-family: var(--serif); font-size: 21px; font-weight: 500; margin: 0; }
.h-item { font-family: var(--serif); font-size: 20px; font-weight: 500; margin: 0; }
.lead { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.5; color: var(--text-nav); }
.body-lg { font-size: 19px; line-height: 1.75; color: var(--text-2); }
.body { font-size: 17px; line-height: 1.8; color: var(--text-2); }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.small { font-size: 15px; }

/* ---------- Buttons & links ---------- */
.btn { display: inline-flex; align-items: center; padding: 14px 28px; background: var(--accent); color: var(--bg); border: 0; border-radius: 4px; font: 500 16px/1.2 var(--sans); cursor: pointer; transition: background .15s; }
.btn:hover { background: var(--accent-dark); }
.btn--sm { padding: 12px 24px; font-size: 15px; }
.btn--block { width: 100%; justify-content: center; }
.link { color: var(--accent); font-weight: 500; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.link:hover { color: var(--accent-dark); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--bg); border-bottom: 0.5px solid var(--line); }
.site-header.is-scrolled { box-shadow: 0 4px 18px rgba(23, 24, 26, .06); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 20px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 24px; font-weight: 600; letter-spacing: .2px; white-space: nowrap; }
.brand__logo { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; }
.site-menu { display: flex; align-items: center; gap: 32px; }
.nav { display: flex; align-items: center; gap: 36px; font-size: 16px; color: var(--text-nav); white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.header-social, .footer-social { display: flex; gap: 18px; font-size: 14px; color: var(--muted); white-space: nowrap; }
.header-social { padding-left: 32px; border-left: 0.5px solid var(--line-strong); }
.header-social a:hover, .footer-social a:hover { color: var(--accent); }
.lang { display: flex; gap: 8px; font-size: 14px; color: var(--muted); padding-left: 32px; border-left: 0.5px solid var(--line-strong); }
.lang a:hover { color: var(--accent); }
.lang__current { color: var(--text); font-weight: 600; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0.5px solid var(--line-strong); border-radius: 4px; background: var(--surface); cursor: pointer; align-items: center; justify-content: center; }
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after { display: block; width: 18px; height: 1.5px; background: var(--text); position: relative; transition: transform .2s; }
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ""; position: absolute; left: 0; }
.menu-toggle__bars::before { top: -6px; }
.menu-toggle__bars::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Footer ---------- */
.site-footer { border-top: 0.5px solid var(--line); }
.site-footer__inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 28px; font-size: 14px; color: var(--muted); }
.site-footer a:hover { color: var(--accent); }

/* ---------- Messages ---------- */
.messages { padding-top: 24px; }
.message { padding: 14px 18px; border-radius: 4px; background: #E4EFEC; color: var(--accent-dark); }

/* ---------- Sections ---------- */
.section { padding-block: 90px; }
.section--flush-top { padding-top: 0; }
.section--alt { background: var(--surface-alt); }
.stack { display: flex; flex-direction: column; gap: 24px; }
.stack--sm { gap: 10px; }
.stack--lg { gap: 44px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

/* Hero */
.hero { padding-block: 140px 120px; }
.hero .stack { max-width: 920px; align-items: flex-start; }

/* Bordered grid of white cells (1px lines between) */
.cells { display: grid; gap: 1px; background: var(--line); border: 0.5px solid var(--line); }
.cells--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.cells--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
/* As many equal columns as there are items (no empty cells), wrapping on small screens */
.cells--auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.cells--rows { grid-template-columns: 1fr; }
.cell { background: var(--surface); padding: 40px 30px; display: flex; flex-direction: column; gap: 14px; }
.num { width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--accent); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 17px; color: var(--accent); }

/* Feature blocks (text + image, alternating) */
.feature { display: flex; gap: 64px; align-items: flex-start; padding-bottom: 90px; }
.feature--reverse { flex-direction: row-reverse; }
.feature__text { flex: 1; max-width: 560px; display: flex; flex-direction: column; gap: 18px; }
.feature__text ul { font-size: 16px; line-height: 1.8; color: var(--text-3); }
.feature__img { width: 420px; height: 340px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; }

/* Quote band */
.quote { padding: 70px 80px; background: var(--surface-alt); border-radius: var(--radius); display: flex; align-items: center; gap: 56px; }
.quote img { width: 300px; height: 220px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; }
.quote blockquote { margin: 0; font-family: var(--serif); font-size: 22px; font-style: italic; line-height: 1.6; max-width: 640px; }

/* Timeline */
.timeline { display: flex; flex-direction: column; max-width: 780px; }
.timeline__item { display: flex; gap: 32px; }
.timeline__rail { width: 12px; display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.timeline__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 6px; }
.timeline__line { flex: 1; width: 1px; background: rgba(23, 24, 26, .15); }
.timeline__item:last-child .timeline__line { display: none; }
.timeline__body { padding-bottom: 40px; }
.timeline__item:last-child .timeline__body { padding-bottom: 0; }
.timeline__date { font-size: 14px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.timeline__title { font-family: var(--serif); font-size: 21px; font-weight: 500; margin: 0 0 6px; }
.timeline__text { font-size: 16px; line-height: 1.6; color: var(--text-3); margin: 0; }
.timeline--large .timeline__body { padding-bottom: 52px; }
.timeline--large .timeline__title { font-size: 24px; margin-bottom: 8px; }

/* Horizontal carousel */
.carousel { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 4px; scrollbar-width: none; }
.carousel::-webkit-scrollbar { display: none; }
.carousel > * { scroll-snap-align: start; flex-shrink: 0; }
.carousel--logos { gap: 40px; }
.arrows { display: flex; gap: 10px; }
.arrow { width: 40px; height: 40px; border-radius: 50%; background: var(--surface); border: 0.5px solid var(--line-strong); display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 19px; color: var(--accent); transition: background .15s; }
.arrow:hover { background: var(--surface-alt); }
.logo-tile { width: 300px; height: 110px; border: 0.5px solid var(--line-strong); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; padding: 20px 28px; color: var(--muted); font-size: 15px; }
.logo-tile img { max-width: 100%; max-height: 100%; object-fit: contain; }
.box { width: 640px; max-width: 85vw; background: var(--surface); border: 0.5px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; align-items: center; gap: 28px; }
.box__media { width: 200px; height: 130px; border-radius: 4px; border: 0.5px solid rgba(23, 24, 26, .08); flex-shrink: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.box__media img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.box__media--logo { padding: 20px; }
.box__media--logo img { object-fit: contain; }

/* CTA */
.cta-final { padding-block: 130px; display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }

/* ---------- About ---------- */
.about-hero { display: flex; align-items: center; gap: 72px; padding-block: 120px 100px; }
.about-hero__photo { width: 340px; height: 420px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; }
.about-hero .h-page { font-size: clamp(30px, 3.4vw, 44px); }
.pills { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.pills li { background: var(--surface-alt); border-radius: 20px; padding: 8px 18px; font-size: 15px; color: var(--text-2); }
.langs { display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 16px; color: var(--text-2); list-style: none; padding: 0; }
.langs strong { font-weight: 600; }
.figure { display: flex; gap: 48px; align-items: center; }
.figure--reverse { flex-direction: row-reverse; }
.figure img { width: 460px; border: 0.5px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 16px; flex-shrink: 0; }
.figure figcaption { max-width: 380px; font-size: 15px; line-height: 1.7; color: var(--text-3); }
.figure figcaption strong { display: block; font-family: var(--serif); font-size: 19px; font-weight: 400; color: var(--text); margin-bottom: 8px; }

/* ---------- Passions ---------- */
.panorama { position: relative; height: 520px; overflow: hidden; }
.panorama img { width: 100%; height: 100%; object-fit: cover; }
.panorama h1 { position: absolute; left: var(--gutter); bottom: 48px; margin: 0; font-family: var(--serif); font-size: 44px; font-weight: 500; color: var(--bg); text-shadow: 0 2px 14px rgba(0, 0, 0, .45); }
.split { display: flex; gap: 40px; align-items: flex-start; }
.split__text { flex: 1; max-width: 420px; padding-top: 8px; }
.split__img { width: 620px; height: 460px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; }
.book { padding: 70px 80px; background: var(--surface-alt); max-width: 900px; }
.book__inner { display: flex; gap: 40px; align-items: flex-start; }
.book__cover { width: 160px; height: 240px; flex-shrink: 0; border-radius: 4px; box-shadow: 0 6px 24px rgba(23, 24, 26, .12); background: var(--surface); border: 0.5px solid var(--line); display: flex; align-items: center; justify-content: center; padding: 14px; text-align: center; font-family: var(--serif); font-size: 14px; line-height: 1.4; color: var(--muted); }
.book__cover small { display: block; font-size: 11px; letter-spacing: .6px; }
img.book__cover { padding: 0; height: auto; aspect-ratio: 1600 / 2560; object-fit: cover; }
.book .body { font-size: 16px; }

/* ---------- Projects & apps ---------- */
.project { background: var(--surface); padding: 40px 44px; display: flex; align-items: center; gap: 40px; }
.project__logo { width: 168px; height: 56px; border: 0.5px solid var(--line-strong); border-radius: 4px; display: flex; align-items: center; justify-content: center; padding: 10px 16px; flex-shrink: 0; font-size: 13px; color: var(--muted); }
.project__logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.project__logo--cover { padding: 0; border: 0; overflow: hidden; }
.project__logo--cover img { width: 100%; height: 100%; max-width: none; max-height: none; object-fit: cover; }
.project p { font-size: 16px; line-height: 1.6; color: var(--text-3); margin: 6px 0 0; }

.app { border-radius: var(--radius); display: flex; align-items: center; }
.app ul { font-size: 15px; line-height: 1.8; color: var(--text-3); }
.app--featured { background: var(--surface-alt); padding: 48px; gap: 48px; }
.app--featured img { width: 320px; height: 210px; object-fit: cover; object-position: top; border-radius: 4px; border: 0.5px solid rgba(23, 24, 26, .08); flex-shrink: 0; }
.app--featured .h-card { font-size: 24px; }
.app--card { background: var(--surface); border: 0.5px solid var(--line); padding: 36px; gap: 36px; }
.app--card img { width: 220px; height: 150px; object-fit: cover; border-radius: 4px; border: 0.5px solid var(--line); flex-shrink: 0; }
.app--card.app--thumb img { width: 110px; height: 110px; object-fit: contain; background: var(--surface); }
.app__body { display: flex; flex-direction: column; gap: 10px; flex: 1; max-width: 680px; }
.app__body p { font-size: 15.5px; line-height: 1.7; color: var(--text-3); margin: 0; }
.app--featured .app__body { gap: 14px; }
.app--featured .app__body p { font-size: 16px; color: var(--text-2); }
.app__link { flex-shrink: 0; font-size: 14px; }
.app-placeholder { border: 1px dashed rgba(23, 24, 26, .2); border-radius: var(--radius); padding: 24px 36px; font-size: 14px; color: var(--muted); text-align: center; }
.screenshot { border-radius: 8px; overflow: hidden; border: 0.5px solid rgba(23, 24, 26, .12); box-shadow: 0 2px 20px rgba(23, 24, 26, .06); }
.course { padding: 32px 28px; gap: 16px; }
.course ul { font-size: 15.5px; line-height: 1.8; color: var(--text-3); }
.course .h-card { font-size: 19px; }

/* ---------- Contact ---------- */
.contact { display: flex; flex-direction: column; align-items: center; gap: 40px; padding-block: 120px 100px; text-align: center; }
.contact .lead { max-width: 560px; color: var(--text-3); font-size: 18px; line-height: 1.7; }
.form-card { width: 100%; max-width: 520px; background: var(--surface); border: 0.5px solid rgba(23, 24, 26, .12); border-radius: 8px; padding: 40px; text-align: left; display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; letter-spacing: .4px; color: var(--text-3); font-weight: 500; }
.field input, .field textarea { font: 16px var(--sans); padding: 11px 14px; border: 0.5px solid rgba(23, 24, 26, .2); border-radius: 4px; background: var(--bg); color: var(--text); width: 100%; }
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.errorlist { list-style: none; padding: 0; margin: 0; color: #B3261E; font-size: 14px; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.socials { display: flex; gap: 12px 28px; flex-wrap: wrap; justify-content: center; font-size: 15px; color: var(--muted); }
.socials a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .site-menu { gap: 24px; }
  .nav { gap: 24px; }
  .header-social, .lang { padding-left: 24px; }
}
@media (max-width: 1060px) {
  .menu-toggle { display: inline-flex; }
  .site-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 20; flex-direction: column; align-items: flex-start; gap: 20px; padding: 24px var(--gutter) 28px; background: var(--bg); border-bottom: 0.5px solid var(--line); box-shadow: 0 12px 24px rgba(23, 24, 26, .06); }
  .site-menu.is-open { display: flex; }
  .nav { flex-direction: column; align-items: flex-start; gap: 14px; font-size: 18px; }
  .header-social, .lang { padding-left: 0; border-left: 0; padding-top: 16px; border-top: 0.5px solid var(--line); width: 100%; flex-wrap: wrap; }
}
@media (max-width: 1100px) {
  :root { --gutter: 40px; }
  .cells--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature, .feature--reverse, .about-hero, .split, .figure, .figure--reverse { flex-direction: column; gap: 32px; }
  .feature__img, .split__img, .about-hero__photo { width: 100%; max-width: 620px; height: auto; aspect-ratio: 4 / 3; }
  .about-hero__photo { max-width: 340px; aspect-ratio: 340 / 420; }
  .figure img { width: 100%; max-width: 460px; }
  .quote { flex-direction: column; align-items: flex-start; padding: 40px; }
  .quote img { width: 100%; max-width: 420px; height: auto; aspect-ratio: 3 / 2; }
  .app--featured, .app--card { flex-direction: column; align-items: flex-start; }
  .app--featured img, .app--card img { width: 100%; max-width: 420px; height: auto; }
  .app--card.app--thumb img { width: 110px; height: 110px; }
  .split__text { max-width: none; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .section { padding-block: 64px; }
  .hero { padding-block: 72px 64px; }
  .about-hero { padding-block: 64px; }
  .contact { padding-block: 64px; }
  .cells--5, .cells--3 { grid-template-columns: 1fr; }
  .project { flex-direction: column; align-items: flex-start; padding: 28px 24px; gap: 20px; }
  .app--featured { padding: 28px 24px; }
  .app--card { padding: 24px; }
  .book { padding: 40px 24px; }
  .book__inner { flex-direction: column; }
  .panorama { height: 320px; }
  .panorama h1 { font-size: 32px; bottom: 24px; }
  .box { flex-direction: column; align-items: flex-start; }
  .box__media { width: 100%; height: 160px; }
  .logo-tile { width: 220px; height: 90px; }
  .form-card { padding: 24px; }
  .footer-social { flex-wrap: wrap; }
  .feature { padding-bottom: 56px; }
  .cta-final { padding-block: 80px; }
}