/* ==========================================================================
   Andrey Dimitrov — Portfolio
   Design tokens shared with Lebenslauf / Anschreiben
   ========================================================================== */

/* Self-hosted fonts (DSGVO: keine Anfragen an Google-Server) */
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/fraunces-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/fraunces-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-ext-500-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  /* Color */
  --navy: #1B3A5C;
  --navy-dark: #142C45;
  --ink: #1A1A1A;
  --ink-soft: #5C5C5C;
  --bg: #FFFFFF;
  --bg-soft: #F4F3F1;
  --line: #A8B6C4;
  --line-soft: #DDE3E9;

  /* Type */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  /* Scale */
  --step-0: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  --step-2: clamp(1.4rem, 1.2rem + 0.8vw, 1.85rem);
  --step-3: clamp(1.9rem, 1.5rem + 1.6vw, 2.75rem);
  --step-4: clamp(2.4rem, 1.8rem + 2.6vw, 3.75rem);

  /* Layout */
  --container: 1080px;
  --container-narrow: 720px;
  --radius: 4px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* ---- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: var(--step-4); letter-spacing: -0.01em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
p { margin: 0 0 1em; color: var(--ink); }
.lede { font-size: var(--step-1); color: var(--ink-soft); }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---- Layout helpers ------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section--soft { background: var(--bg-soft); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--navy); color: #fff; padding: 0.6em 1em; z-index: 200;
}
.skip-link:focus { left: 1em; top: 1em; }

/* ---- Diamond motif (signature element, shared with CV) -------------------- */
.diamond {
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  background: var(--navy);
  transform: rotate(45deg);
  margin-right: 0.6em;
  flex-shrink: 0;
}
.kicker {
  display: flex;
  align-items: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.9em;
}
.divider {
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin: 0 0 2rem;
}
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-soft);
}
.divider .diamond { margin-right: 0; }
.divider h2, .divider h3 { margin: 0; font-size: var(--step-2); white-space: nowrap; }

/* ---- Header / Nav ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--navy);
  gap: 0.5em;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5em;
}
.nav-toggle svg { display: block; }
.main-nav ul {
  display: flex;
  gap: clamp(1rem, 2vw, 2.2rem);
  list-style: none;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.4em 0.1em;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--navy);
  border-color: var(--navy);
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--bg);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    border-top: 1px solid var(--line-soft);
  }
  .main-nav.is-open {
    opacity: 1; visibility: visible; transform: translateY(0);
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
  }
  .main-nav li { border-bottom: 1px solid var(--line-soft); }
  .main-nav a { display: block; padding: 0.9em 0; }
}

/* ---- Buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.85em 1.6em;
  border-radius: var(--radius);
  border: 1.5px solid var(--navy);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-dark); }
.btn--outline { background: transparent; color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---- Chips (Kenntnisse) ----------------------------------------------------- */
.chip-group { display: flex; flex-wrap: wrap; gap: 0.6em; margin: 0.6em 0 1.4em; }
.chip {
  border: 1.5px solid var(--line);
  color: var(--navy);
  border-radius: 999px;
  padding: 0.35em 1em;
  font-size: 0.88rem;
  font-weight: 500;
  background: var(--bg);
}

/* ---- Hero ------------------------------------------------------------------- */
.hero {
  padding: clamp(3rem, 9vw, 7rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero h1 { margin-bottom: 0.3em; }
.hero .role {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink-soft);
  font-size: var(--step-1);
  margin-bottom: 1.1em;
}
.hero-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  aspect-ratio: 4 / 5;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 760px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-photo { max-width: 280px; margin: 0 auto; }
}

/* ---- Highlight cards (Home) -------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.8rem;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.6em;
}
.card h3 { font-size: var(--step-1); margin-bottom: 0.2em; }
.card .meta { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 0.4em; }
.card p { color: var(--ink-soft); font-size: 0.95rem; flex-grow: 1; }
.card a.card-link { color: var(--navy); font-weight: 500; font-size: 0.92rem; }
.card a.card-link::after { content: " →"; }

/* ---- Project case studies (Projekte page) ----------------------------------- */
.case {
  border-top: 1px solid var(--line-soft);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.case:first-of-type { border-top: none; }
.case-meta { color: var(--ink-soft); }
.case-meta .kicker { margin-bottom: 1.2em; }
.case-meta dl { font-size: 0.92rem; }
.case-meta dt { font-weight: 600; color: var(--ink); margin-top: 0.9em; }
.case-meta dd { margin: 0.15em 0 0; color: var(--ink-soft); }
.case-body ul { margin: 0.8em 0 1.2em 1.1em; }
.case-body li { margin-bottom: 0.45em; color: var(--ink); }
.case-shot {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 1.2em 0;
}
.case-shot img { width: 100%; }
.case-note {
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-left: 2px solid var(--line);
  padding-left: 0.9em;
  margin: 1.2em 0;
}

@media (max-width: 820px) {
  .case { grid-template-columns: 1fr; }
}

/* ---- Forms (Kontakt) --------------------------------------------------------- */
.form-grid { display: grid; gap: 1.2rem; max-width: 560px; }
.field label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.4em;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75em 0.9em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
}
.field input:focus, .field textarea:focus { border-color: var(--navy); }
.field-check { display: flex; align-items: flex-start; gap: 0.6em; font-size: 0.88rem; color: var(--ink-soft); }
.field-check input { width: auto; margin-top: 0.25em; }
.honeypot { position: absolute; left: -9999px; }

.contact-block { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 820px) { .contact-block { grid-template-columns: 1fr; } }
.contact-list { list-style: none; }
.contact-list li { margin-bottom: 1em; }
.contact-list .label { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 0.2em; }

/* ---- Footer ------------------------------------------------------------------ */
.site-footer {
  background: var(--navy);
  color: #E7ECF1;
  padding: 2.4rem 0;
  margin-top: clamp(3rem, 8vw, 5rem);
}
.site-footer a { color: #fff; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.9rem;
}
.footer-grid .brand { color: #fff; }
.footer-links ul { display: flex; gap: 1.4rem; list-style: none; flex-wrap: wrap; }
.footer-bottom {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,0.18);
  font-size: 0.82rem;
  color: #C7D2DD;
}

/* ---- Misc page bits ----------------------------------------------------------- */
.page-hero { padding: clamp(2.5rem, 6vw, 4rem) 0 1rem; }
.page-hero h1 { margin-bottom: 0.4em; }
.prose { max-width: 720px; }
.prose h2 { margin-top: 1.6em; }

.legal h2 { font-size: var(--step-1); margin-top: 1.6em; }
.legal p, .legal li { color: var(--ink-soft); font-size: 0.95rem; }
.legal address { font-style: normal; color: var(--ink); }