/* ============================================================
   altstadtdialog.de - Stylesheet
   Richtung "Frisch & hell" (09.06.2026): weißer Grund, Königsblau
   als Leitfarbe, Koralle-Akzent, Teal/Violett als Projektfarben.
   Montserrat (OFL) für Headlines und Fließtext.
   Architektur: BEM, Custom Properties, kein Build-Step, Fonts lokal.
   ============================================================ */

@layer base, layout, components, utilities;

/* Schriften und alle Design-Variablen: siehe tokens.css (Single Source of Truth).
   Aussehen ausschließlich dort ändern - wirkt auf Website und Adminbereich. */
@import url("tokens.css");

@layer base {

  * { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 4.5rem;
  }

  body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--c-text);
    background: var(--c-paper);
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4 {
    font-family: var(--font-head);
    line-height: 1.18;
    color: var(--c-ink);
    margin: 0 0 0.6em;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-wrap: balance;
  }
  h1 { font-size: clamp(2.2rem, 5.8vw, 3.6rem); }
  h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); }
  h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }

  p { margin: 0 0 1em; max-width: var(--maxw-text); }
  ul { padding-left: 1.2em; }
  li { margin-bottom: 0.35em; }

  a { color: var(--c-blue-text); }
  a:hover { color: var(--c-ink); }

  :focus-visible {
    outline: 3px solid var(--c-blue);
    outline-offset: 2px;
    border-radius: 2px;
  }

  ::selection { background: var(--t-blue); color: var(--c-ink); }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
  }
}

@layer layout {
  .wrap {
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: clamp(1.1rem, 4vw, 2.5rem);
  }

  .section { padding-block: var(--space-5); }
  .section--tight { padding-block: var(--space-4); }
  .section--dark {
    background: var(--c-ink);
    color: var(--c-text-2-dark);
  }
  .section--dark h2, .section--dark h3 { color: #fff; }
  .section--dark p { color: #cdd8e8; }
  .section--shade { background: var(--c-cloud); }

  /* Markenelement: feine tonale Verlaufslinie (Ink → Blau) */
  .topband {
    height: 3px;
    background: var(--grad-brand);
  }

  .skiplink {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--c-ink);
    color: #fff;
    padding: 0.6rem 1rem;
    z-index: 100;
  }
  .skiplink:focus { left: 0; }
}

@layer components {
  /* ---------- Header ---------- */
  .header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }
  .header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    min-height: 4rem;
  }
  .header__brand {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--c-blue-text);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.1;
  }
  .header__brand small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-text-2);
  }
  .nav { display: flex; gap: clamp(0.6rem, 2vw, 1.6rem); flex-wrap: wrap; }
  .nav a {
    text-decoration: none;
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.35rem 0;
    border-bottom: 2px solid transparent;
  }
  .nav a:hover { border-bottom-color: var(--c-coral); color: var(--c-ink); }
  .nav a.nav__cta {
    background: var(--c-blue);
    color: #fff;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    border-bottom: none;
  }
  .nav a.nav__cta:hover { background: var(--c-blue-text); }
  @media (max-width: 740px) {
    .header__inner { flex-direction: column; align-items: flex-start; padding-block: 0.6rem; }
    .nav { font-size: 0.85rem; }
  }

  /* ---------- Hero (kräftiges Blau, weiße Schrift) ---------- */
  .hero {
    background:
      radial-gradient(55rem 30rem at 88% -15%, rgba(255, 255, 255, 0.10), transparent 60%),
      linear-gradient(125deg, #131f47, #1e40af 95%);
    color: #fff;
    padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3rem, 8vw, 5.5rem);
    position: relative;
  }
  .hero__eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-2);
  }
  .hero h1 { color: #fff; max-width: 19ch; }
  .hero p {
    color: rgba(255, 255, 255, 0.94);
    font-size: 1.15rem;
    max-width: 38rem;
  }
  /* Buttons auf farbigem Grund: dunkler Primär-Button, heller Outline */
  .hero .btn--primary { background: #1e40af; color: #fff; border-color: rgba(255, 255, 255, 0.25); }
  .hero .btn--primary:hover { background: #1e3a8a; color: #fff; border-color: rgba(255, 255, 255, 0.45); }
  .hero .btn--ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
  .hero .btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.12); color: #fff; }
  .hero :focus-visible { outline-color: #fff; }
  .hero__script {
    font-family: var(--font-script);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: var(--c-coral);
    margin: 0 0 0.4rem;
    line-height: 1.2;
  }
  .hero__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }

  /* Fakten-Band (eigene Sektion unter dem Hero) */
  .factband {
    background: var(--c-cloud);
    border-block: 1px solid rgba(15, 23, 42, 0.07);
  }
  .factband__inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    padding-block: var(--space-3);
  }
  @media (max-width: 740px) { .factband__inner { grid-template-columns: 1fr; } }
  .factband__item {
    font-size: 0.92rem;
    color: var(--c-text-2);
    padding-left: var(--space-2);
    border-left: 1px solid rgba(15, 23, 42, 0.12);
  }
  .factband__item:first-child { border-left: none; padding-left: 0; }
  @media (max-width: 740px) {
    .factband__item { border-left: none; padding-left: 0; }
  }
  .factband__item strong {
    color: var(--c-ink);
    display: block;
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 700;
  }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-block;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 999px;
    padding: 0.75rem 1.6rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background 0.18s var(--ease), color 0.18s var(--ease),
                border-color 0.18s var(--ease), transform 0.18s var(--ease);
  }
  .btn:active { transform: scale(0.97); }
  .btn--primary { background: var(--c-blue); color: #fff; }
  .btn--primary:hover { background: var(--c-blue-text); color: #fff; }
  .btn--ghost { border-color: rgba(15, 23, 42, 0.25); color: var(--c-ink); }
  .btn--ghost:hover { border-color: var(--c-blue); color: var(--c-blue-text); }
  .btn--dark { background: var(--c-ink); color: #fff; }
  .btn--dark:hover { background: var(--c-blue-text); color: #fff; }

  /* ---------- Section-Kopf ---------- */
  .sechead { margin-bottom: var(--space-4); }
  .sechead__eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
  }
  .sechead p { font-size: 1.08rem; }

  /* ---------- Arbeitsgruppen: Zeilenliste statt Kartengrid ---------- */
  .aglist {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid rgba(15, 23, 42, 0.12);
  }
  .aglist__item {
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 16rem) 1fr;
    gap: var(--space-2) var(--space-3);
    align-items: baseline;
    padding-block: var(--space-3);
    border-bottom: 1px solid rgba(15, 23, 42, 0.12);
    margin: 0;
  }
  @media (max-width: 740px) {
    .aglist__item { grid-template-columns: 3rem 1fr; }
    .aglist__item p { grid-column: 2; }
  }
  .aglist__num {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
  }
  .aglist__item h3 { margin: 0; font-size: 1.18rem; }
  .aglist__item p { font-size: 0.95rem; margin: 0; max-width: 36rem; }
  .aglist__badge {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.18rem 0.7rem;
    border-radius: 999px;
    background: var(--t-blue);
    color: var(--c-blue-text);
  }
  .aglist__stand {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.9rem;
    color: var(--c-text-2);
  }
  .aglist__stand strong { color: var(--c-ink); font-weight: 600; }

  /* ---------- Protokoll-Liste ---------- */
  .protolist { list-style: none; padding: 0; margin: 0; max-width: var(--maxw-text); }
  .protolist li {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    padding-block: var(--space-2);
    border-top: 1px solid rgba(15, 23, 42, 0.12);
  }
  .protolist li:last-child { border-bottom: 1px solid rgba(15, 23, 42, 0.12); }
  .protolist a { font-weight: 600; text-decoration: none; }
  .protolist a:hover { text-decoration: underline; }
  .protolist__meta {
    margin-left: auto;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--c-text-2);
    border: 1px solid rgba(15, 23, 42, 0.18);
    border-radius: 4px;
    padding: 0.05rem 0.45rem;
  }

  /* ---------- Projekte ---------- */
  .project {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.07);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--space-3);
  }
  .project__bar { height: 4px; }
  .project__body {
    padding: clamp(1.4rem, 3.5vw, 2.4rem);
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(1.2rem, 3vw, 2.5rem);
  }
  @media (max-width: 800px) {
    .project__body { grid-template-columns: 1fr; }
  }
  .project__kicker {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
  }
  .project h3 { font-size: clamp(1.3rem, 2.5vw, 1.65rem); }
  .project__facts {
    background: var(--c-cloud);
    border-radius: var(--radius);
    padding: var(--space-2) var(--space-3);
    font-size: 0.92rem;
    align-self: start;
  }
  .project__facts dt {
    font-weight: 700;
    color: var(--c-ink);
    margin-top: 0.7rem;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .project__facts dt:first-child { margin-top: 0; }
  .project__facts dd { margin: 0.15rem 0 0; }

  /* Variante: Facts-Spalte links */
  .project--flip .project__body { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
  .project--flip .project__facts { order: -1; }
  @media (max-width: 800px) {
    .project--flip .project__body { grid-template-columns: 1fr; }
    .project--flip .project__facts { order: 0; }
  }

  /* Variante: kompakte Karte (für 2er-Reihe) */
  .projectrow {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  @media (max-width: 800px) { .projectrow { grid-template-columns: 1fr; } }
  .project--compact { margin-bottom: 0; }
  .project--compact .project__body { display: block; }
  .project--compact .project__facts {
    background: none;
    border-top: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 0;
    padding: var(--space-2) 0 0;
    margin-top: var(--space-2);
  }

  /* ---------- Scroll-Reveal (dezent, IO-gesteuert) ----------
     Aktiv nur wenn JS läuft (html.js) und keine Motion-Reduktion gewünscht ist.
     Ohne JS bleibt alles sichtbar. */
  @media (prefers-reduced-motion: no-preference) {
    html.js .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    }
    html.js .reveal.is-visible { opacity: 1; transform: none; }
  }

  /* Akzent-Zuordnung der Projekte (gedeckte Töne, leichter Verlauf) */
  .accent-blue .project__bar { background: linear-gradient(90deg, var(--c-blue-text), var(--c-blue)); }
  .accent-blue .project__kicker { color: var(--c-blue-text); }
  .accent-teal .project__bar { background: linear-gradient(90deg, var(--c-teal-text), var(--c-teal)); }
  .accent-teal .project__kicker { color: var(--c-teal-text); }
  .accent-violet .project__bar { background: linear-gradient(90deg, var(--c-violet-text), var(--c-violet)); }
  .accent-violet .project__kicker { color: var(--c-violet-text); }
  .accent-coral .project__bar { background: linear-gradient(90deg, var(--c-coral-text), var(--c-coral)); }
  .accent-coral .project__kicker { color: var(--c-coral-text); }

  /* ---------- Formulare ---------- */
  .form {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.07);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(1.4rem, 3.5vw, 2.6rem);
    max-width: 52rem;
  }
  .form fieldset { border: none; padding: 0; margin: 0 0 var(--space-3); }
  .form legend {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--c-ink);
    padding: 0;
    margin-bottom: 0.8rem;
  }
  .form label { font-weight: 600; font-size: 0.92rem; display: block; margin-bottom: 0.3rem; }
  .form .req { color: var(--c-coral-text); }
  .form input[type="text"],
  .form input[type="email"],
  .form input[type="tel"],
  .form input[type="number"],
  .form select,
  .form textarea {
    width: 100%;
    font: inherit;
    color: var(--c-text);
    background: var(--c-cloud);
    border: 1.5px solid #d3ddeb;
    border-radius: 4px;
    padding: 0.65rem 0.85rem;
    margin-bottom: var(--space-2);
  }
  .form input:focus, .form textarea:focus {
    outline: none;
    border-color: var(--c-blue);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  }
  .form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--space-2);
  }
  @media (max-width: 620px) { .form__grid { grid-template-columns: 1fr; } }

  /* Projekt-Auswahl als Kacheln */
  .picks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  @media (max-width: 620px) { .picks { grid-template-columns: 1fr; } }
  .pick { position: relative; }
  .pick input { position: absolute; opacity: 0; inset: 0; }
  .pick__card {
    display: block;
    border: 2px solid #d3ddeb;
    border-radius: var(--radius);
    padding: 0.9rem 1rem 0.9rem 2.9rem;
    cursor: pointer;
    font-weight: 700;
    color: var(--c-ink);
    background: #fff;
    transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
    margin: 0;
  }
  .pick__card small {
    display: block;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--c-text);
    margin-top: 0.15rem;
  }
  .pick__card::before {
    content: "";
    position: absolute;
    left: 0.9rem;
    top: 1.05rem;
    width: 1.35rem;
    height: 1.35rem;
    border: 2px solid #aebdd1;
    border-radius: 6px;
    background: #fff;
  }
  .pick__card::after {
    content: "";
    position: absolute;
    left: 1.22rem;
    top: 1.28rem;
    width: 0.45rem;
    height: 0.8rem;
    border: solid #fff;
    border-width: 0 3px 3px 0;
    transform: rotate(42deg);
    opacity: 0;
  }
  .pick input:checked + .pick__card { border-color: var(--pick, var(--c-blue)); background: var(--pick-tint, var(--c-cloud)); }
  .pick input:checked + .pick__card::before { background: var(--pick, var(--c-blue)); border-color: var(--pick, var(--c-blue)); }
  .pick input:checked + .pick__card::after { opacity: 1; }
  .pick input:focus-visible + .pick__card { outline: 3px solid var(--c-blue); outline-offset: 2px; }
  .pick--blue { --pick: var(--c-blue); --pick-tint: var(--t-blue); }
  .pick--teal { --pick: var(--c-teal); --pick-tint: var(--t-teal); }
  .pick--violet { --pick: var(--c-violet); --pick-tint: var(--t-violet); }
  .pick--coral { --pick: var(--c-coral); --pick-tint: var(--t-coral); }

  .consent {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.7rem;
    align-items: start;
    font-size: 0.9rem;
    margin-bottom: var(--space-2);
  }
  .consent input { margin-top: 0.3rem; width: 1.1rem; height: 1.1rem; accent-color: var(--c-blue); }
  .consent label { font-weight: 400; margin: 0; }

  .form__note { font-size: 0.85rem; color: var(--c-text-2); }
  .form__status { font-weight: 700; margin-top: var(--space-2); }
  .form__status--ok { color: var(--c-teal-text); }
  .form__status--err { color: var(--c-coral-text); }

  /* Honeypot: für Menschen unsichtbar */
  .hp-field { position: absolute !important; left: -6000px !important; }

  /* ---------- Kontaktkarte (hell, Theme-Lock) ---------- */
  .contactcard {
    border: 1px solid rgba(15, 23, 42, 0.09);
    border-top: 4px solid transparent;
    background:
      linear-gradient(#fff, #fff) padding-box,
      linear-gradient(90deg, var(--c-blue-text), var(--c-blue)) border-box;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-3);
    color: var(--c-text);
    max-width: 30rem;
  }
  .contactcard h3 { color: var(--c-ink); margin-bottom: 0.3rem; }
  .contactcard a { color: var(--c-blue-text); text-decoration: none; }
  .contactcard a:hover { text-decoration: underline; }
  .contactcard p { margin-bottom: 0.4rem; }

  /* ---------- Callout / Verweis-Box ---------- */
  .callout {
    background: var(--c-cloud);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-left: 4px solid var(--c-violet);
    border-radius: var(--radius);
    padding: var(--space-3);
    margin-top: var(--space-3);
    max-width: 52rem;
  }
  .callout h3 { color: var(--c-ink); margin-bottom: 0.4rem; }

  /* ---------- Footer ---------- */
  .footer {
    background: var(--c-ink);
    color: var(--c-text-2-dark);
    font-size: 0.9rem;
    padding-block: var(--space-3);
    border-top: 4px solid transparent;
    border-image: var(--grad-brand) 1;
  }
  .footer__inner {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: center;
  }
  .footer a { color: #fff; text-decoration: none; font-weight: 600; margin-right: 1.2rem; }
  .footer a:hover { color: var(--d-blue); }
  .footer__wordmark {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--d-blue);
  }

  /* ---------- Rechtstexte ---------- */
  .legal { max-width: var(--maxw-text); }
  .legal h2 { font-size: 1.35rem; margin-top: var(--space-4); }
  .legal h3 { font-size: 1.05rem; margin-top: var(--space-3); }
}

@layer utilities {
  .mt-0 { margin-top: 0; }
  .mb-0 { margin-bottom: 0; }
  .center { text-align: center; }
}