/* ============================================================
   Anna Biro — Portfolio site
   Editorial, warm, premium. Static HTML/CSS/JS.
   ============================================================ */

/* ---- Fonts (Fontshare + Google Fonts) ---- */
@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

/* ---- Design tokens ---- */
:root {
  --paper: #F6F1E8;            /* ivory background */
  --paper-2: #EFE8DA;          /* sand surface */
  --paper-3: #FBF7EE;          /* lifted surface */
  --ink: #1F1B16;              /* charcoal body */
  --ink-2: #4B4339;            /* secondary text */
  --ink-3: #8A8275;            /* muted text */
  --line: #D9CFBC;             /* hairline border */
  --accent: #B0532C;           /* terracotta/copper */
  --accent-2: #8E3F1E;         /* hover */
  --accent-soft: #E9D6C5;      /* tint background */
  --max: 72rem;                /* 1152px */
  --gap: clamp(1rem, 2vw, 1.75rem);
  --radius: 6px;
  --serif: 'Instrument Serif', 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'General Sans', 'Satoshi', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.005em;
  color: var(--ink);
  margin: 0 0 .4em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.6rem, 6.2vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.7rem); }
p  { margin: 0 0 1em; color: var(--ink-2); }

.eyebrow {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.2rem;
  display: inline-block;
}

.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }

/* ---- Skip link ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0; padding: .6rem 1rem;
  background: var(--ink); color: var(--paper); z-index: 100; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; color: var(--paper); }

/* ---- Layout helpers ---- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
section + section { border-top: 1px solid var(--line); }

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 241, 232, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.25rem; padding: 1rem 0;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  color: var(--ink); font-family: var(--serif); font-size: 1.4rem; line-height: 1;
}
.brand:hover { color: var(--ink); }
.brand .logo { width: 30px; height: 30px; flex: 0 0 auto; color: var(--accent); }
.brand-name { letter-spacing: .005em; }

.nav-links {
  display: flex; gap: 1.6rem; list-style: none; padding: 0; margin: 0;
  font-size: .95rem;
}
.nav-links a {
  color: var(--ink-2); font-family: var(--sans); font-weight: 500;
  padding: .35rem 0; position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0;
  height: 1px; background: var(--accent); transition: width .25s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 1.25rem; }

.lang-switch {
  display: flex; gap: .25rem; padding: .25rem; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px; font-size: .8rem;
}
.lang-switch a {
  padding: .35rem .75rem; border-radius: 999px; color: var(--ink-3);
  font-family: var(--sans); font-weight: 500; letter-spacing: .03em;
  text-transform: uppercase;
}
.lang-switch a[aria-current="page"] {
  background: var(--ink); color: var(--paper);
}
.lang-switch a:hover:not([aria-current="page"]) { color: var(--ink); }

.menu-toggle {
  display: none; background: none; border: 0; padding: .4rem;
  color: var(--ink); cursor: pointer;
}

/* Mobile nav */
@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .5rem 0; transform: translateY(-8px);
    opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: .9rem clamp(1.25rem, 4vw, 2.5rem); border-bottom: 1px solid var(--line); }
  .nav-links a::after { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  border-top: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  letter-spacing: -.015em;
  line-height: 1.02;
  margin: .4rem 0 1.2rem;
}
.hero-title em {
  font-style: italic; color: var(--accent);
  font-family: var(--serif);
}
.hero-lede {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-2); max-width: 36ch; line-height: 1.55;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: .6rem;
  margin-top: 1.6rem;
  padding: .9rem 1.5rem;
  background: var(--ink); color: var(--paper);
  border-radius: 999px; font-family: var(--sans);
  font-weight: 500; font-size: .95rem;
  letter-spacing: .01em; transition: transform .2s ease, background .2s ease;
}
.hero-cta:hover { background: var(--accent-2); color: var(--paper); transform: translateY(-1px); }
.hero-cta svg { width: 16px; height: 16px; }

.hero-photo {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  background: var(--paper-2);
  box-shadow: 0 30px 60px -30px rgba(31,27,22,.35);
}
.hero-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: 25% 35%;
  filter: saturate(.95) contrast(1.02);
}
@media (max-width: 820px) {
  .hero-photo { aspect-ratio: 16 / 9; }
}
.hero-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(31,27,22,.18) 100%);
  pointer-events: none;
}
.hero-meta {
  margin-top: 1rem;
  display: flex; flex-wrap: wrap; gap: 1.2rem;
  font-size: .85rem; color: var(--ink-3);
  font-family: var(--sans); letter-spacing: .04em; text-transform: uppercase;
}
.hero-meta span { display: inline-flex; align-items: center; gap: .45rem; }
.hero-meta span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-grid p {
  font-size: 1.08rem;
  color: var(--ink-2);
  max-width: 60ch;
}
.about-grid p.lead {
  font-family: var(--serif); font-size: clamp(1.4rem, 2vw, 1.8rem);
  line-height: 1.35; color: var(--ink); margin-bottom: 1.5rem;
}

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.service {
  padding: 2rem 1.75rem;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.service:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: #fff;
}
.service-icon {
  width: 36px; height: 36px; color: var(--accent); margin-bottom: 1.2rem;
}
.service h3 { font-size: 1.5rem; margin-bottom: .4rem; }
.service p { font-size: .98rem; color: var(--ink-2); margin: 0; }

/* ============================================================
   Portfolio
   ============================================================ */
.portfolio-cat { margin-top: 3rem; }
.portfolio-cat:first-of-type { margin-top: 2.5rem; }
.portfolio-profile-card {
  margin-top: 1.5rem;
  display: inline-grid;
  gap: .35rem;
  max-width: 30rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .24);
  color: var(--ink);
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.portfolio-profile-card:hover {
  border-color: rgba(176, 83, 44, .55);
  background: rgba(255, 255, 255, .38);
  transform: translateY(-1px);
}
.portfolio-profile-card span {
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.1;
}
.portfolio-profile-card small {
  font-family: var(--sans);
  font-size: .9rem;
  line-height: 1.45;
  color: var(--ink-2);
}
.portfolio-profile-card-end {
  margin-top: 2rem;
}
.portfolio-cat h3 {
  font-size: 1.6rem;
  display: flex; align-items: baseline; gap: .9rem;
  border-bottom: 1px solid var(--line); padding-bottom: .8rem; margin-bottom: 1.6rem;
}
.portfolio-cat h3 .num {
  font-family: var(--sans); font-size: .8rem; font-weight: 500;
  color: var(--ink-3); letter-spacing: .12em;
}
.embeds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.embed {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.embed-frame {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 50% 50%, rgba(176,83,44,.20) 0 2.8rem, transparent 2.85rem),
    linear-gradient(135deg, #2A241E 0%, #171411 100%);
}
.embed-frame::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  border-top: .85rem solid transparent;
  border-bottom: .85rem solid transparent;
  border-left: 1.25rem solid var(--paper);
  transform: translate(-38%, -50%);
  opacity: .92;
}
.embed-frame iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
  background: transparent;
}
.embed-frame iframe:not([src]) {
  opacity: 0;
}
.image-project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.image-project-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.86) contrast(1.04);
}
.embed-caption {
  padding: 1rem 1.05rem 1.05rem;
  font-family: var(--sans); font-size: .92rem;
  color: var(--ink-2);
  display: grid;
  gap: .45rem;
}
.embed-caption strong { color: var(--ink); font-weight: 500; }
.embed-note {
  display: block;
  font-size: .84rem;
  line-height: 1.45;
  color: var(--ink-2);
}
.embed-caption .src {
  display: inline-flex;
  width: fit-content;
  margin-top: .15rem;
  font-size: .68rem;
  color: var(--ink-3);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  margin-top: 2.5rem;
  border-left: 1px solid var(--line);
  padding-left: clamp(1.25rem, 3vw, 2rem);
}
.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px dashed var(--line);
  position: relative;
}
.timeline-item::before {
  content: ""; position: absolute;
  left: calc(-1 * clamp(1.25rem, 3vw, 2rem) - 5px);
  top: 1.9rem;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 1.5px solid var(--accent);
}
.timeline-item:last-child { border-bottom: 0; }
.timeline-year {
  font-family: var(--serif);
  font-size: 1.25rem; color: var(--accent);
  letter-spacing: .01em; line-height: 1.2;
}
.timeline-body h4 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600; margin: 0 0 .25rem; color: var(--ink);
}
.timeline-body p {
  margin: 0; color: var(--ink-2); font-size: .98rem;
}
@media (max-width: 640px) {
  .timeline-item { grid-template-columns: 1fr; gap: .35rem; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 820px) {
  .contact-inner { grid-template-columns: 1fr; }
}
.email-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem;
}
.email-card a {
  font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--ink); display: inline-block; word-break: break-all;
  border-bottom: 1px solid var(--accent); padding-bottom: .15em;
}
.email-card a:hover { color: var(--accent); }
.email-card .label {
  font-family: var(--sans); font-size: .78rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 1rem;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
  background: var(--paper);
}
.footer-row {
  display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  font-size: .88rem; color: var(--ink-3);
  font-family: var(--sans);
}
.footer-row a { color: var(--ink-3); }
.footer-row a:hover { color: var(--ink); }

/* ============================================================
   Subtle reveal helper
   ============================================================ */
.reveal {
  opacity: 1;
  transform: none;
}