/* web/css/start.css - nur Startseite (app/pages/start.php, web/js/start-kalender.js) */

.gk-startseite main { overflow-x: clip; }

.gk-start-held { padding: clamp(2rem, 6vw, 5rem) 0 clamp(2.5rem, 6vw, 5rem); }
.gk-start-titel { font-weight: 300; letter-spacing: -.01em; }

.gk-start-abschnitt { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.gk-start-hell { background: #fff; border-top: 1px solid #eee5db; border-bottom: 1px solid #eee5db; }

/* ------------------------------------------------------------------------
   Wandkalender
   ------------------------------------------------------------------------ */
.gk-wand {
    --wand: #f1ebe3;
    position: relative;
    padding: 1.5rem 1rem 1.25rem;
    border-radius: 1.25rem;
    background:
        radial-gradient(ellipse at 50% 35%, rgba(255, 255, 255, .85), transparent 70%),
        var(--wand);
}

.gk-wand-kalender {
    display: block;
    width: min(100%, 400px);
    margin: 0 auto;
    padding: 15% 0 0;          /* Platz fuer Aufhaenger und Nagel */
    border: 0;
    background: none;
    cursor: pointer;
    position: relative;
}
.gk-wand-kalender:focus-visible { outline: 3px solid var(--gk-gewoelbe); outline-offset: 6px; border-radius: 4px; }

.gk-wand-blaetter,
.gk-beispiel-blatt {
    display: block;
    position: relative;
    aspect-ratio: 210 / 297;
}
.gk-format-quer { aspect-ratio: 297 / 210; }

/* Darunterliegende Blaetter andeuten + Schatten an der Wand */
.gk-wand-blaetter::before,
.gk-beispiel-blatt::before {
    content: "";
    position: absolute;
    inset: 1.5% 0 0;
    border-radius: 1px;
    box-shadow:
        0 2px 0 -1px #f7f3ee,
        0 4px 0 -2px #e9e1d6,
        0 18px 30px -12px rgba(60, 40, 25, .45),
        0 4px 10px rgba(60, 40, 25, .12);
}

.gk-wand-bindung {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    transform: translateY(-50%);
    overflow: visible;
    pointer-events: none;
    z-index: 5;
}

.gk-draht {
    fill: none;
    stroke: var(--spirale, #b8bcc2);
    stroke-width: .75;
    stroke-linecap: round;
    filter: drop-shadow(0 .35px .25px rgba(0, 0, 0, .45));
}
.gk-draht-stab { stroke-width: .9; }
.gk-draht-buegel { stroke-width: .8; stroke-linejoin: round; }
.gk-nagel { fill: #6b5d52; stroke: #4a3f37; stroke-width: .5; }

.gk-seite-inhalt { position: absolute; inset: 0; background: #fff; container-type: size; }
/* Beispielblaetter: gestanzt wie im Wandkalender (Maske aus Umblaettern.maske) */
.gk-beispiel-seite {
    position: absolute;
    inset: 0;
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
}
.gk-feld { position: absolute; display: flex; align-items: center; overflow: hidden; }
.gk-feld img { display: block; width: 100%; height: 100%; }
.gk-feld-bild img { object-fit: cover; }
.gk-feld-kalendarium img { object-fit: contain; }
.gk-feld-jahr span {
    font-family: "Source Sans 3", "Source Sans Pro", Helvetica, Arial, sans-serif;
    font-weight: 700;
    color: #3a2f28;
    line-height: 1;
    white-space: nowrap;
}
.gk-feld-leer {
    background: linear-gradient(160deg,
        hsl(var(--ton, 30) 35% 78%), hsl(calc(var(--ton, 30) + 40) 30% 62%));
}

/* Wandkalender = Host der Umblaettern-Library (Shadow DOM); der Draht liegt
   in slot="zwischen" (vom hochgeklappten Blatt verdeckt) */
.gk-wand-blaetter { isolation: isolate; }
/* Ohne eigenen z-index: sonst liegt der Draht vor dem hochgeklappten Blatt
   (die Reihenfolge regelt die Library: zwischen < umblaetterndes Blatt) */
.gk-wand-blaetter > .gk-wand-bindung { z-index: auto; }

.gk-wand-hinweis { user-select: none; }

/* ------------------------------------------------------------------------
   Ablauf und Vorteile
   ------------------------------------------------------------------------ */
.gk-schritt {
    position: relative;
    padding: 2rem 1.5rem 1.5rem;
    border: 1px solid #eee5db;
    border-radius: 1rem;
    background: var(--gk-papier);
}
.gk-schritt-nr {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: rgba(138, 90, 60, .15);
}
.gk-schritt-icon,
.gk-vorteil-icon { font-size: 1.75rem; color: var(--gk-gewoelbe); }
.gk-vorteil-icon { font-size: 1.4rem; line-height: 1.2; }

/* ------------------------------------------------------------------------
   Beispiele: Raster, Querformat belegt zwei Spalten (gleiche Hoehe)
   ------------------------------------------------------------------------ */
.gk-beispiele {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-flow: dense;
    gap: 2.5rem 1.5rem;
    align-items: end;
}
@media (min-width: 768px) {
    .gk-beispiele { grid-template-columns: repeat(4, 1fr); }
}
.gk-beispiel { margin: 0; padding-top: 1rem; }
.gk-beispiel-quer { grid-column: span 2; }
.gk-beispiel figcaption {
    margin-top: .9rem;
    font-size: .85rem;
    color: #6c625b;
    text-align: center;
}

/* ------------------------------------------------------------------------
   Preise und Optionen
   ------------------------------------------------------------------------ */
.gk-preiskarte {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 2rem 1.75rem 1.75rem;
    border: 1px solid #e6ddd3;
    border-radius: 1rem;
    background: #fff;
}
.gk-preiskarte ul { flex-grow: 1; }
.gk-preiskarte-hervor { border: 2px solid var(--gk-gewoelbe); box-shadow: 0 12px 32px -18px rgba(107, 67, 41, .55); }
.gk-preis-format { font-size: 2.5rem; font-weight: 300; line-height: 1; }
.gk-preis-band {
    position: absolute;
    top: -.8rem;
    left: 1.75rem;
    padding: .2rem .7rem;
    border-radius: 2rem;
    background: var(--gk-gewoelbe);
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.gk-farbtupfer {
    display: inline-block;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: var(--farbe);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .18);
}
.gk-farbtupfer-klein { width: .85rem; height: .85rem; vertical-align: -.1rem; margin-right: .2rem; }

/* ------------------------------------------------------------------------
   Schluss-Aufruf
   ------------------------------------------------------------------------ */
.gk-start-schluss {
    padding: clamp(3rem, 7vw, 5rem) 0;
    background: var(--gk-gewoelbe);
    color: #fff;
}
.gk-start-schluss .btn-gk {
    --bs-btn-bg: #fff;
    --bs-btn-color: var(--gk-gewoelbe-dunkel);
    --bs-btn-border-color: #fff;
    --bs-btn-hover-bg: var(--gk-papier);
    --bs-btn-hover-color: var(--gk-gewoelbe-dunkel);
    --bs-btn-hover-border-color: var(--gk-papier);
}
.gk-startseite .gk-fuss { margin-top: 0 !important; }

/* ------------------------------------------------------------------------
   Kalender mit Tafel oder Whiteboard (Rueckwand) - Canvas aus
   web/js/wandansicht.js, darueber das Blatt als HTML wie bei den Beispielen
   ------------------------------------------------------------------------ */
.gk-start-tafel {
    background:
        radial-gradient(ellipse at 70% 40%, rgba(255, 255, 255, .8), transparent 65%),
        #ece5db;
}
.gk-tafelbeispiele {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: end;
}
.gk-tafelbeispiel { margin: 0; }
.gk-tafelbeispiel-flaeche { position: relative; }
.gk-tafelbeispiel canvas { display: block; width: 100%; height: auto; }
.gk-tafelbeispiel .gk-beispiel-blatt { position: absolute; aspect-ratio: auto; }
.gk-tafelbeispiel .gk-beispiel-blatt::before { inset: 0; box-shadow: 0 2px 4px rgba(0, 0, 0, .18); }
.gk-tafelbeispiel figcaption { text-align: center; font-size: .875rem; color: var(--bs-secondary-color); margin-top: .5rem; }
.gk-tafel-tupfer {
    flex: none;
    width: 1.6rem;
    height: 2.2rem;
    border-radius: 2px;
    margin-top: .1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}
.gk-tafel-tupfer-kreide { background: linear-gradient(#fff 0 50%, #fff 50%); position: relative; }
.gk-tafel-tupfer-whiteboard { background: #1d1d1d; position: relative; }
.gk-tafel-tupfer::after {
    content: "";
    position: absolute;
    left: 3px;
    right: 3px;
    top: calc(50% + 3px);
    bottom: 3px;
}
.gk-tafel-tupfer-kreide::after { background: #2f3432; }
.gk-tafel-tupfer-whiteboard::after { background: #fbfbfb; }
@media (max-width: 575.98px) {
    .gk-tafelbeispiele { grid-template-columns: minmax(0, 1fr); max-width: 22rem; margin: 0 auto; }
}

/* Spezialseiten Tafel-/Whiteboard-Kalender (app/tafelseite.php) */
.gk-tafelbeispiele-einzeln { grid-template-columns: minmax(0, 1fr); max-width: 30rem; margin: 0 auto; }
.gk-tafelbeispiele-einzeln figcaption { display: none; }
.gk-tafeltabelle { width: auto; min-width: min(100%, 52rem); background: #fff; }
.gk-tafeltabelle th { font-weight: 600; font-size: .875rem; color: var(--bs-secondary-color); }
.gk-start-schluss a:not(.btn) { color: #fff; text-decoration-color: rgba(255, 255, 255, .6); }