/* ==========================================================================
   MANOTEC – Stylesheet
   Statische Website, kein Framework, kein Build-Step.
   Aufbau:
     1. Design-Tokens (Farben, Schriften, Abstände)
     2. Reset & Basis
     3. Typografie
     4. Layout-Helfer (Container, Sektionen, Grid)
     5. Header & Navigation
     6. Hero
     7. Karten, Galerien, Bild-Platzhalter
     8. Formular
     9. Footer
    10. Scroll-Animationen
    11. Responsive Anpassungen
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design-Tokens
   Farbwelt: dunkles Petrol/Marine + warmes Grau/Weiß + Messing-Akzent.
   Maritim angehaucht, aber bewusst zurückhaltend.
   -------------------------------------------------------------------------- */
:root {
  /* Farben */
  --color-deep:        #0e2836;  /* dunkles Marine/Petrol – Header, Footer, Hero */
  --color-deep-soft:   #16374a;  /* aufgehelltes Petrol – Flächen auf dunklem Grund */
  --color-ink:         #24313a;  /* Fließtext auf hellem Grund */
  --color-muted:       #5c6b74;  /* Nebentext */
  --color-paper:       #faf8f5;  /* warmer Seitenhintergrund */
  --color-paper-dim:   #f1ede7;  /* leicht abgesetzte Sektionen */
  --color-line:        #e2dcd3;  /* feine Trennlinien */
  --color-accent:      #b98a4c;  /* Messing-Akzent */
  --color-accent-dark: #98703a;  /* Akzent für Hover/Fokus */
  --color-on-deep:     #eef3f5;  /* Text auf dunklem Grund */
  --color-on-deep-dim: #a9bcc5;  /* Nebentext auf dunklem Grund */
  --color-success:     #2e7d4f;
  --color-error:       #b3403a;

  /* Schriften: eine Headline-Schrift, eine Fließtext-Schrift */
  --font-head: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Abstände & Maße */
  --container-max: 1120px;
  --section-pad: clamp(4rem, 9vw, 7rem);
  --radius: 10px;
  --header-height: 76px;

  --shadow-soft: 0 10px 40px rgba(14, 40, 54, 0.08);
}

/* --------------------------------------------------------------------------
   2. Reset & Basis
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  /* Sticky-Header beim Anker-Springen berücksichtigen */
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

ul,
ol {
  padding-left: 1.25rem;
}

/* --------------------------------------------------------------------------
   3. Typografie
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-deep);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 6vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.45rem); }

p + p { margin-top: 1em; }

/* Kleine Vorzeile über Überschriften, z. B. "Über uns" */
.eyebrow {
  display: block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--color-muted);
  max-width: 46rem;
}

/* --------------------------------------------------------------------------
   4. Layout-Helfer
   -------------------------------------------------------------------------- */
.container {
  width: min(100% - 3rem, var(--container-max));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.section--dim { background: var(--color-paper-dim); }

.section--deep {
  background: var(--color-deep);
  color: var(--color-on-deep);
}

.section--deep h2,
.section--deep h3 { color: var(--color-on-deep); }

.section--deep p { color: var(--color-on-deep-dim); }

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* Einfache Grids – brechen mobil automatisch um (siehe Abschnitt 11) */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 3vw, 2rem); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { text-decoration: none; }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-dark);
  color: #fff;
}

/* heller Umriss-Button für dunkle Flächen (Hero) */
.btn--ghost {
  background: transparent;
  color: var(--color-on-deep);
  border-color: rgba(238, 243, 245, 0.5);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-on-deep);
  color: var(--color-on-deep);
}

/* --------------------------------------------------------------------------
   5. Header & Navigation (sticky)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-deep);
  transition: box-shadow 0.25s ease;
}

/* Schatten erst nach dem Anscrollen – wird per JS gesetzt */
.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(14, 40, 54, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 2rem;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-on-deep);
}

.brand:hover { text-decoration: none; }

.brand span { color: var(--color-accent); }

.main-nav ul {
  display: flex;
  gap: 1.9rem;
  list-style: none;
  padding: 0;
}

.main-nav a {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-on-deep-dim);
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-on-deep);
  text-decoration: none;
}

/* aktive Seite */
.main-nav a[aria-current="page"] {
  color: var(--color-on-deep);
  border-bottom-color: var(--color-accent);
}

/* Burger-Button – nur mobil sichtbar */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-deep);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Burger → X, wenn Menü offen */
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   6. Hero (Startseite)
   -------------------------------------------------------------------------- */
.hero {
  background:
    linear-gradient(rgba(14, 40, 54, 0.82), rgba(14, 40, 54, 0.92)),
    var(--color-deep-soft);
  color: var(--color-on-deep);
  padding-block: clamp(5rem, 13vw, 10rem);
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: var(--color-on-deep);
  letter-spacing: 0.1em;
}

.hero .claim {
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  color: var(--color-on-deep-dim);
  max-width: 34rem;
  margin-top: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

/* dezente Wellenlinie als grafisches Element unten im Hero */
.hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.7;
}

/* Terminhinweis-Kasten (Home) */
.notice {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: #fff;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.4rem 1.6rem;
}

.notice .notice-icon {
  flex: none;
  font-size: 1.4rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   7. Karten, Galerien & Bild-Platzhalter
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.card h3 { margin-bottom: 0.1rem; }

.card .card-more { margin-top: auto; font-weight: 600; }

/* Hervorgehobener Fachhinweis (z. B. Konzession / ISO 13297) */
.highlight-box {
  background: var(--color-deep);
  color: var(--color-on-deep);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  border-left: 5px solid var(--color-accent);
}

.highlight-box h3 { color: var(--color-on-deep); }

.highlight-box p { color: var(--color-on-deep-dim); }

/* Bild-Platzhalter: klar erkennbar, mit Beschriftung des erwarteten Bildes.
   Später einfach durch <img> mit gleicher Klasse "media" ersetzen. */
.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  background: repeating-linear-gradient(
    45deg,
    var(--color-paper-dim),
    var(--color-paper-dim) 12px,
    #eae4db 12px,
    #eae4db 24px
  );
  border: 2px dashed #c9c0b2;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.45;
  padding: 1rem;
  min-height: 220px;
}

.img-placeholder strong {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
}

/* Format-Varianten */
.img-placeholder--portrait { aspect-ratio: 3 / 4; min-height: 0; }
.img-placeholder--wide     { aspect-ratio: 16 / 9; min-height: 0; }
.img-placeholder--square   { aspect-ratio: 1 / 1;  min-height: 0; }

/* Projektgalerie (Bootselektrik) */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

/* Team: zwei exakt gleichwertige Spalten */
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.team-member .role-line {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-top: 0.4rem;
}

.team-member h3 { margin-top: 1.2rem; }

/* Download-Liste (PDFs) */
.download-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.download-list a {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.95rem 1.25rem;
  color: var(--color-ink);
  font-weight: 500;
  transition: border-color 0.2s ease;
}

.download-list a:hover,
.download-list a:focus-visible {
  text-decoration: none;
  border-color: var(--color-accent);
}

.download-list .file-tag {
  flex: none;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-accent);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
}

/* --------------------------------------------------------------------------
   8. Formular (Kontakt)
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-field { display: flex; flex-direction: column; gap: 0.35rem; }

.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-deep);
}

.form-field .optional {
  font-weight: 400;
  color: var(--color-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  color: var(--color-ink);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

/* Feld mit Validierungsfehler */
.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid {
  border-color: var(--color-error);
}

/* Honeypot-Feld: für Menschen unsichtbar, für Bots ein normales Feld */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Statusmeldung unter dem Formular (Erfolg/Fehler), per JS eingeblendet */
.form-status {
  display: none;
  margin-top: 1.25rem;
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  font-weight: 500;
}

.form-status.is-visible { display: block; }

.form-status--success {
  background: #e7f3ec;
  color: var(--color-success);
  border: 1px solid #bcdccb;
}

.form-status--error {
  background: #faeae9;
  color: var(--color-error);
  border: 1px solid #eac5c3;
}

/* Kontakt-Infoblock neben dem Formular */
.contact-info dl { display: grid; gap: 1.1rem; }

.contact-info dt {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.contact-info dd { margin: 0.15rem 0 0; }

/* --------------------------------------------------------------------------
   9. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-deep);
  color: var(--color-on-deep-dim);
  padding-block: 3.5rem 2rem;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.site-footer h4 {
  color: var(--color-on-deep);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.site-footer ul { list-style: none; padding: 0; display: grid; gap: 0.45rem; }

.site-footer a { color: var(--color-on-deep-dim); }

.site-footer a:hover,
.site-footer a:focus-visible { color: var(--color-on-deep); }

.footer-bottom {
  border-top: 1px solid rgba(238, 243, 245, 0.15);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   10. Scroll-Animationen (dezent)
   Elemente mit .reveal blenden beim Scrollen sanft ein (JS + IntersectionObserver).
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Ohne JS bzw. mit reduzierter Bewegung: alles sofort sichtbar */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .main-nav { transition: none; }
}

.no-js .reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   11. Responsive Anpassungen
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2,
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }

  /* Team bleibt so lange wie möglich zweispaltig – bricht erst schmal um,
     beide Bilder bleiben dabei immer exakt gleich groß. */
}

@media (max-width: 640px) {
  .team-grid { grid-template-columns: 1fr; }
}

/* Mobile Navigation: animiertes Slide-Down-Panel unter dem Sticky-Header */
@media (max-width: 760px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-deep);
    border-top: 1px solid rgba(238, 243, 245, 0.12);
    box-shadow: 0 18px 30px rgba(14, 40, 54, 0.35);
    /* geschlossen: unsichtbar, leicht nach oben versetzt, nicht klickbar */
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
  }

  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
  }

  /* feine Trennlinien zwischen den Menüpunkten */
  .main-nav li + li { border-top: 1px solid rgba(238, 243, 245, 0.08); }

  .main-nav a {
    display: block;
    padding: 0.95rem 0.25rem; /* große Tap-Fläche */
    font-size: 1.08rem;
    border-bottom: none;
  }

  .main-nav a[aria-current="page"] { color: var(--color-accent); }
}

/* Feinschliff für schmale Screens (Handy) */
@media (max-width: 640px) {
  :root { --header-height: 64px; }

  .container { width: min(100% - 2.25rem, var(--container-max)); }

  body { font-size: 1rem; }

  .hero { padding-block: 4.5rem 5.5rem; }

  /* Buttons untereinander und volle Breite – besser für den Daumen */
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }

  .notice { padding: 1.1rem 1.2rem; gap: 0.75rem; }

  .card { padding: 1.5rem; }

  /* Galerie zweispaltig statt einspaltig-riesig */
  .gallery {
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
  }

  .form-grid button[type="submit"] { width: 100%; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}