/* =====================================================
   Kateryna Pozdieieva – Portfolio (statische Version)
   Palette: Weiß · Hell-Graublau · Grau · dezenter Wein
   ===================================================== */

:root {
  --paper:  #FDFDFB;
  --mist:   #F0F3F6;
  --ink:    #262B31;
  --slate:  #5E6B78;
  --wine:   #742F3B;
  --wine-dark: #5C242E;
  --line:   #DDE3E9;

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --container: 1040px;
  --radius: 6px;

  --space-section: clamp(3.5rem, 7vw, 5.5rem);
  --space-head: clamp(2rem, 4vw, 3rem);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}

img { max-width: 100%; display: block; }

a { color: var(--wine); text-decoration: none; }
a:hover { color: var(--wine-dark); }

:focus-visible { outline: 2px solid var(--wine); outline-offset: 3px; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); letter-spacing: -0.01em; white-space: nowrap; }
h2 { font-size: clamp(2rem, 4.5vw, 2.75rem); }
h3 { font-size: 1.35rem; }

.eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--slate); margin-bottom: 1.25rem;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253, 253, 251, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 4.5rem; padding-block: 0.75rem;
}
.nav__brand { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); }
.nav__brand:hover { color: var(--wine); }

.nav__menu {
  display: flex; align-items: center; gap: 2.25rem; list-style: none;
  margin-left: 4rem; margin-right: auto;
}
.nav__menu a {
  font-size: 0.9rem; font-weight: 500; color: var(--slate);
  padding-block: 0.25rem; border-bottom: 1.5px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease; white-space: nowrap;
}
.nav__menu a:hover, .nav__menu a.is-active { color: var(--ink); border-bottom-color: var(--wine); }

.nav__cta {
  color: var(--wine) !important; border: 1px solid var(--wine);
  border-radius: var(--radius); padding: 0.45rem 1.1rem !important;
  margin: 2px 2px 2px 0; background: var(--paper);
}
.nav__cta:hover { background: var(--wine); color: #fff !important; border-bottom-color: transparent !important; }

.nav__toggle {
  display: none; flex-direction: column; gap: 6px;
  background: none; border: 0; padding: 0.5rem; cursor: pointer;
}
.nav__toggle span { width: 26px; height: 2px; background: var(--ink); transition: transform 0.25s ease, opacity 0.25s ease; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; font-size: 0.95rem; font-weight: 500;
  padding: 0.8rem 1.6rem; border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn--primary { background: var(--wine); color: #fff; }
.btn--primary:hover { background: var(--wine-dark); color: #fff; }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--slate); color: var(--ink); }

.link-arrow { font-size: 0.9rem; font-weight: 500; }

.contact__info .btn { margin-top: 2rem; margin-bottom: 1rem; }
/* ---------- Hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start; gap: clamp(3rem, 7vw, 6rem);
  padding-block: var(--space-section); min-height: calc(100vh - 4.5rem);
}
.hero__text h2 {
  color: var(--slate); font-size: clamp(1.4rem, 3vw, 2rem);
  margin-top: 0.25rem; margin-bottom: 0;
}
.hero__lead { max-width: 34rem; margin-top: 1.75rem; color: var(--slate); font-size: 1.05rem; }

.hero__bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap; margin-top: 2.75rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__meta { font-size: 1rem; letter-spacing: 0.05em; color: var(--slate); margin: 0; }

.hero__portrait { position: relative; justify-self: end; max-width: 340px; width: 100%; margin-top: 3rem; }
.hero__portrait::before {
  content: ""; position: absolute; inset: 1.25rem -1.25rem -1.25rem 1.25rem;
  border: 1px solid var(--line); border-radius: var(--radius); z-index: -1;
}
.hero__portrait img { border-radius: var(--radius); aspect-ratio: 4 / 5; object-fit: cover; background: var(--mist); }

/* ---------- Sektionen ---------- */
.section { padding-block: var(--space-section); }
.section--mist { background: var(--mist); }
.section__head { margin-bottom: var(--space-head); max-width: 40rem; }
.section__head--split {
  max-width: none; display: flex; align-items: flex-end;
  justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}

/* ---------- Kenntnisse ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 2rem; }
.skill-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.25rem; }
.skill-card h3 { margin-bottom: 1.5rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; }
.tags li {
  font-size: 0.83rem; font-weight: 500; color: var(--slate);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.3rem 0.85rem; background: var(--paper); cursor: default;
}
.tags--small li { font-size: 0.78rem; padding: 0.2rem 0.7rem; }

/* ---------- Zertifikate ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }
.cert-card { display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; transition: border-color 0.25s ease, transform 0.25s ease; }
.cert-card:hover { border-color: var(--slate); transform: translateY(-3px); }
.cert-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.cert-card__icon { color: var(--slate); }
.cert-card:hover .cert-card__icon { color: var(--wine); }
.cert-card__issuer { color: var(--slate); font-size: 0.95rem; margin-top: 0.5rem; }
.cert-card__date { color: var(--slate); font-size: 0.85rem; margin-top: 0.2rem; }
.cert-card__pdf { display: inline-block; margin-top: 1.25rem; font-size: 0.85rem; font-weight: 500; color: var(--wine); }

/* ---------- Timeline ---------- */
.timeline { list-style: none; position: relative; max-width: 44rem; padding-left: 2.5rem; }
.timeline::before { content: ""; position: absolute; left: 0.4rem; top: 0.6rem; bottom: 0.6rem; width: 1px; background: var(--line); }
.timeline__item { position: relative; }
.timeline__item + .timeline__item { margin-top: 4.5rem; }
.timeline__item::before {
  content: ""; position: absolute; left: -2.5rem; top: 0.55rem;
  width: 11px; height: 11px; border-radius: 50%; background: var(--wine);
  box-shadow: 0 0 0 4px var(--paper);
}
.timeline__period { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); margin-bottom: 0.5rem; }
.timeline__role { margin-bottom: 0.2rem; }
.timeline__company { color: var(--slate); font-size: 0.95rem; margin-bottom: 1rem; }
.timeline__tasks { list-style: none; color: var(--ink); font-size: 0.97rem; }
.timeline__tasks li { position: relative; padding-left: 1.4rem; padding-block: 0.3rem; }
.timeline__tasks li::before { content: "—"; position: absolute; left: 0; color: var(--wine); }

/* ---------- Bildung ---------- */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.edu-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.25rem; }
.edu-card__period { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); margin-bottom: 0.75rem; }
.edu-card__inst { color: var(--slate); font-size: 0.95rem; margin-top: 0.4rem; }

/* ---------- Projekte ---------- */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2rem; }
.project-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 2.25rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.project-card:hover { border-color: var(--slate); transform: translateY(-3px); }
.project-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.project-card__link { font-size: 1.1rem; color: var(--slate); transition: color 0.2s ease; }
.project-card:hover .project-card__link { color: var(--wine); }
.project-card p { color: var(--slate); font-size: 0.97rem; }
.project-card .tags { margin-top: auto; }

/* ---------- Kontakt ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(3rem, 8vw, 6rem); align-items: start; }
.contact__lead { color: var(--slate); margin-top: 1.5rem; max-width: 26rem; }
.contact__details { margin-top: 2.5rem; }
.contact__details dt { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--slate); margin-top: 1.5rem; }
.contact__details dd { margin-top: 0.15rem; }
.contact__details a { color: var(--ink); }
.contact__details a:hover { color: var(--wine); }

.contact-cta {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(2rem, 4vw, 3rem);
  display: grid; gap: 1.5rem; text-align: left;
}
.contact-cta > p { color: var(--slate); }
.contact-cta .btn { justify-self: start; }
.contact-cta__hint { font-size: 0.9rem; color: var(--slate); }
.contact-cta__hint a { color: var(--wine); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 3rem; font-size: 0.9rem; color: var(--slate); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer__links { display: flex; gap: 2rem; list-style: none; }
.footer__links a { color: var(--slate); }
.footer__links a:hover { color: var(--wine); }

/* ---------- Scroll-Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .project-card, .project-card:hover { transform: none; }
}

/* ---------- Responsiv ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 3rem; }
  .hero__portrait { justify-self: start; max-width: 280px; margin-top: 0; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  h1 { white-space: normal; font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero__meta { white-space: normal; }
  .hero__bottom { flex-direction: column; align-items: flex-start; gap: 1.5rem; }

  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute; top: 100%; left: 0; right: 0; width: 100%;
    margin: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    padding: 1rem 1.5rem 1.5rem; display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { display: block; padding: 0.85rem 0; border-bottom: 0; }
  .nav__cta { text-align: center; margin-top: 0.75rem; }
}