/* ==========================================
 * VOLVEVENT - APPLE-STYLE PREMIUM DESIGN
 * ========================================== */

:root {
    --bg-schwarz: #000000;
    --bg-kachel: #1d1d1f;
    --bg-input: #2c2c2e; /* Deutlicheres Grau für Inputs/Selects für perfekten Kontrast */
    --text-haupt: #ffffff;
    --text-sekundaer: #a1a1a6; /* Etwas helleres Grau für bessere Lesbarkeit */
    --akzent-blau: #2997ff;
    --akzent-blau-hover: #0077ed;
    --rahmen-farbe: rgba(255, 255, 255, 0.15);
    
    --schrift-apple: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --schrift-code: "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; cursor: none !important; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    background-color: var(--bg-schwarz);
    color: var(--text-haupt);
    font-family: var(--schrift-apple);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* TYPOGRAFIE */
h1, h2, h3, h4, p { overflow-wrap: break-word; }

.haupt-ueberschrift {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 0.5em;
    text-align: center;
}

.sektions-ueberschrift {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1em;
    text-align: center;
}

.kachel-ueberschrift {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

.fliesstext {
    font-size: 1.2rem;
    color: var(--text-sekundaer);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 400;
}

.text-zentriert { text-align: center; }
.text-gradient {
    background: linear-gradient(90deg, #fff, #86868b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.label-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-sekundaer);
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 600;
}

/* LAYOUT */
.zentrierter-container { max-width: 1200px; margin: 0 auto; padding: 0 5vw; }
.sektions-abstand { padding-top: 8rem; padding-bottom: 8rem; }
.raster-layout { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .raster-layout { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .raster-layout-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; } }

/* APPLE-STYLE NAVIGATION */
.navigationsleiste {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 50;
    background-color: rgba(0, 0, 0, 0.72); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--rahmen-farbe); padding: 0 5vw; height: 48px;
    display: flex; justify-content: space-between; align-items: center;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.2, 1);
}
.navigationsleiste.versteckt { transform: translateY(-100%); }
.logo-text { font-size: 1.1rem; font-weight: 600; color: var(--text-haupt); text-decoration: none; letter-spacing: -0.02em; }
.menue-liste { display: flex; gap: 2rem; align-items: center; height: 100%; }
.menue-punkt { position: relative; height: 100%; display: flex; align-items: center; }
.menue-link { color: var(--text-haupt); text-decoration: none; font-size: 0.85rem; font-weight: 400; opacity: 0.8; transition: opacity 0.3s; }
.menue-link:hover { opacity: 1; }

.dropdown-menue {
    position: absolute; top: 48px; left: -1rem;
    background-color: var(--bg-kachel); border: 1px solid var(--rahmen-farbe); border-radius: 0 0 12px 12px;
    min-width: 200px; display: flex; flex-direction: column;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.2, 1, 0.2, 1); box-shadow: 0 10px 30px rgba(0,0,0,0.5); overflow: hidden;
}
.menue-punkt:hover .dropdown-menue { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-link { padding: 0.8rem 1.5rem; color: var(--text-haupt); text-decoration: none; font-size: 0.85rem; transition: background 0.3s; }
.dropdown-link:hover { background-color: rgba(255,255,255,0.05); }

/* KACHELN (Cards) & PORTFOLIO */
.premium-kachel {
    background-color: var(--bg-kachel); border-radius: 20px; padding: 3rem;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.2, 1);
    display: flex; flex-direction: column; height: 100%;
}
.premium-kachel:hover { transform: scale(1.02); }

.portfolio-kachel {
    background-color: var(--bg-kachel); border: 1px solid var(--rahmen-farbe); border-radius: 20px; padding: 2rem;
    display: flex; flex-direction: column; height: 100%;
}

/* ARCHITEKT BILD */
.architekt-bild-container {
    width: 100%; max-width: 400px; aspect-ratio: 9/16;
    background-color: var(--bg-kachel); border-radius: 20px;
    overflow: hidden; border: 1px solid var(--rahmen-farbe);
    display: flex; justify-content: center; align-items: center;
}
.architekt-bild { width: 100%; height: 100%; object-fit: cover; }

/* ZERTIFIKATE */
.zertifikate-raster { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.zertifikat-badge {
    background-color: var(--bg-kachel); border: 1px solid var(--rahmen-farbe); border-radius: 12px;
    padding: 0.8rem 1.2rem; font-size: 0.85rem; font-weight: 500; color: var(--text-haupt);
    transition: background 0.3s;
}
.zertifikat-badge:hover { background-color: rgba(255,255,255,0.1); }

/* TERMINBUCHUNG UI */
.formular-feld {
    width: 100%;
    background-color: var(--bg-input); /* Helles Grau für perfekten Kontrast */
    border: 1px solid var(--rahmen-farbe);
    color: var(--text-haupt); /* Pures Weiß für den Text */
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
    font-family: var(--schrift-apple);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 12px;
    outline: none;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.formular-feld::placeholder { color: #888888; }
.formular-feld:focus { 
    border-color: var(--akzent-blau);
    box-shadow: 0 0 0 3px rgba(41, 151, 255, 0.2);
}
select.formular-feld {
    appearance: none; 
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='white' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.5em;
    padding-right: 3rem;
}
select.formular-feld option {
    background-color: var(--bg-kachel);
    color: var(--text-haupt);
    font-weight: 500;
}
select.formular-feld optgroup {
    background-color: var(--bg-schwarz);
    color: var(--text-sekundaer);
    font-style: normal;
    font-weight: 700;
}
textarea.formular-feld { resize: vertical; min-height: 120px; }

/* Kalender */
.kalender-wochentage { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.25rem; margin-bottom: 0.5rem; text-align: center; font-weight: 600; color: var(--text-sekundaer); font-size: 0.75rem; }
.kalender-raster { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.25rem; margin-bottom: 1.5rem; }
.kalender-tag { background: rgba(255,255,255,0.03); border-radius: 8px; padding: 0.8rem 0; text-align: center; color: var(--text-haupt); font-size: 0.9rem; transition: all 0.2s; }
.kalender-tag:hover:not(.inaktiv) { background: rgba(255,255,255,0.1); }
.kalender-tag.inaktiv { opacity: 0.2; pointer-events: none; background: transparent; }
.kalender-tag.ausgewaehlt { background: var(--akzent-blau); color: #fff; font-weight: 600; }

/* Uhrzeiten Raster */
.uhrzeiten-raster { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-bottom: 1.5rem; }
.uhrzeit-slot { border: 1px solid var(--rahmen-farbe); border-radius: 8px; padding: 0.6rem 0; text-align: center; color: var(--text-haupt); font-size: 0.85rem; transition: all 0.2s; }
.uhrzeit-slot:hover { border-color: var(--akzent-blau); }
.uhrzeit-slot.ausgewaehlt { background: var(--akzent-blau); border-color: var(--akzent-blau); font-weight: 600; }

/* RECAPTCHA Container */
.recaptcha-container { margin-bottom: 1.5rem; display: flex; justify-content: flex-start; }

/* Button */
.absenden-knopf { background: var(--akzent-blau); color: #fff; border: none; padding: 1rem 2rem; border-radius: 20px; font-size: 1rem; font-weight: 500; width: 100%; transition: background 0.3s; }
.absenden-knopf:hover { background: var(--akzent-blau-hover); }

/* CUSTOM CURSOR */
.maus-zeiger-aussen { position: fixed; top: 0; left: 0; width: 12px; height: 12px; background-color: #fff; border-radius: 50%; pointer-events: none; z-index: 9998; mix-blend-mode: difference; transition: width 0.3s cubic-bezier(0.19, 1, 0.22, 1), height 0.3s cubic-bezier(0.19, 1, 0.22, 1); }
.maus-zeiger-innen { position: fixed; top: 0; left: 0; width: 4px; height: 4px; background-color: #fff; border-radius: 50%; pointer-events: none; z-index: 9999; mix-blend-mode: difference; opacity: 0; transition: opacity 0.3s; }
.maus-zeiger-aussen.hover-aktiv { width: 60px; height: 60px; }
.maus-zeiger-innen.hover-aktiv { opacity: 1; }

/* FLOATING WHATSAPP */
.whatsapp-schwebend {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: var(--text-haupt);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 90;
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.2);
}
.whatsapp-schwebend:hover {
    transform: scale(1.1);
}

/* ANIMATIONEN */
.erscheinen-element { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.erscheinen-element.sichtbar { opacity: 1; transform: translateY(0); }

/* ==========================================
   MOBILE RESPONSIVENESS (iOS, Android, Tablets) 
   ========================================== */
.raster-layout-3 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .raster-layout-3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .raster-layout-3 { grid-template-columns: 1fr 1fr 1fr; } }

.mobile-menue-knopf { display: none; }

@media (max-width: 768px) {
    .haupt-ueberschrift { font-size: 2.5rem; }
    .sektions-abstand { padding-top: 4rem; padding-bottom: 4rem; }
    .premium-kachel { padding: 1.5rem; }
    
    /* Mobile Menu */
    .mobile-menue-knopf { display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0.5rem; z-index: 100; }
    .menue-liste { 
        position: absolute; top: 48px; left: 0; width: 100%; 
        background-color: rgba(0, 0, 0, 0.98); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        flex-direction: column; gap: 0; 
        max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.2, 1, 0.2, 1);
        border-bottom: 1px solid var(--rahmen-farbe);
    }
    .menue-liste.offen { max-height: 500px; }
    .menue-punkt { width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .menue-link { padding: 1.2rem 5vw; display: block; width: 100%; font-size: 1rem; }
    .dropdown-menue { position: relative; top: 0; left: 0; opacity: 1; visibility: visible; transform: none; min-width: 100%; border: none; padding-left: 1.5rem; background: transparent; box-shadow: none; border-radius: 0; }
    .menue-punkt:hover .dropdown-menue { transform: none; }
    
    /* Calendar / Booking */
    .kalender-tag { font-size: 0.85rem; padding: 0.6rem 0; }
    .uhrzeiten-raster { grid-template-columns: 1fr 1fr; }
    
    /* Architect Image */
    .architekt-bild-container { aspect-ratio: auto; height: 350px; }
}

@media (max-width: 480px) {
    .haupt-ueberschrift { font-size: 2.2rem; }
    .sektions-ueberschrift { font-size: 1.8rem; }
    .uhrzeiten-raster { grid-template-columns: 1fr; }
    .premium-kachel { padding: 1.2rem; }
}

/* ==========================================
   ENTERPRISE SECURITY SLIDER (Bot-Schutz)
   ========================================== */
.security-modul {
    background: var(--bg-kachel);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--rahmen-farbe);
    margin-bottom: 1.5rem;
}
.slide-captcha-container {
    position: relative;
    width: 100%;
    height: 50px;
    background: #111111;
    border-radius: 25px;
    overflow: hidden;
    border: 1px solid var(--rahmen-farbe);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}
.slide-captcha-track {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0;
    background: rgba(41, 151, 255, 0.2);
    border-radius: 25px 0 0 25px;
    transition: background 0.3s ease;
}
.slide-captcha-text {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-sekundaer);
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: none;
    z-index: 2;
    transition: opacity 0.3s ease;
}
.slide-captcha-thumb {
    position: absolute;
    top: 4px; left: 4px;
    width: 42px;
    height: 42px;
    background: var(--bg-schwarz);
    border: 1px solid var(--rahmen-farbe);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: grab;
    z-index: 3;
    transition: transform 0.1s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}
.slide-captcha-thumb:active { cursor: grabbing; }

/* Verifiziert Status */
.slide-captcha-container.verifiziert .slide-captcha-track {
    background: rgba(48, 209, 88, 0.2); /* Apple Green */
    width: 100% !important;
}
.slide-captcha-container.verifiziert .slide-captcha-thumb {
    background: #30d158;
    border-color: #30d158;
    left: calc(100% - 46px) !important;
}
.slide-captcha-container.verifiziert .slide-captcha-text {
    color: #30d158;
    font-weight: 600;
}