/* ==========================================

   AIRA.expert - Styly pro Banner 1 (4 Důvody)

   Cesta souboru: ./banners/banner_1.css

   ========================================== */



/* Kontejner banneru */

.banner-container {

    width: 100%;

    max-width: 1200px;

    margin: 0 auto 30px auto;

    box-sizing: border-box;

}



.banner-1-wrapper {

    position: relative;

    background: #ffffff;

    border-radius: 20px;

    padding: 28px 16px;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);

    border: 1px solid rgba(212, 175, 55, 0.3);

    box-sizing: border-box;

    overflow: visible !important;

}



/* Hlavička banneru */

.banner-1-header {

    text-align: center;

    margin-bottom: 24px;

}



.banner-1-tag {

    display: inline-block;

    background: #d4af37;

    color: #ffffff;

    font-weight: 800;

    font-size: 0.85rem;

    letter-spacing: 1.2px;

    padding: 4px 14px;

    border-radius: 50px;

    text-transform: uppercase;

    margin-bottom: 8px;

}



.banner-1-title {

    color: #004d40;

    font-size: clamp(1.2rem, 3vw, 1.8rem);

    font-weight: 800;

    margin: 0 0 4px 0;

    line-height: 1.2;

}



.banner-1-subtitle {

    color: #00796b;

    font-size: clamp(0.85rem, 1.5vw, 1rem);

    font-weight: 600;

    margin: 0;

}



/* ==========================================

   RESPONZIVNÍ GRID PRO DLAŽDICE

   ========================================== */

.banner-1-grid {

    display: grid !important;

    grid-template-columns: 1fr !important; /* Mobil (< 640px): 1 sloupeček */

    gap: 16px !important;

    width: 100%;

    box-sizing: border-box;

}



/* Tablet / Střední displeje (640px - 1023px): 2 v řadě */

@media (min-width: 640px) {

    .banner-1-grid {

        grid-template-columns: repeat(2, 1fr) !important;

        gap: 16px !important;

    }

}



/* PC a široké monitory (≥ 1024px): 4 v jedné řadě */

@media (min-width: 1024px) {

    .banner-1-grid {

        grid-template-columns: repeat(4, 1fr) !important;

        gap: 16px !important;

    }

}



/* ==========================================

   3D OTOČNÁ KARTA (FLIP CARD)

   ========================================== */

.flip-card {

    background: transparent !important;

    perspective: 1000px;

    -webkit-perspective: 1000px;

    height: 240px; /* Pevně stanovená výška pro plynulý otoč */

    width: 100%;

    box-sizing: border-box;

    cursor: pointer;

    outline: none;

}



.flip-card-inner {

    position: relative;

    width: 100%;

    height: 100%;

    text-align: center;

    transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);

    transform-style: preserve-3d;

    -webkit-transform-style: preserve-3d;

}



/* Rotace při hoveru nebo kliku/fokusu */

.flip-card:hover .flip-card-inner,

.flip-card:focus .flip-card-inner,

.flip-card:active .flip-card-inner {

    transform: rotateY(180deg);

    -webkit-transform: rotateY(180deg);

}



/* Společné vlastnosti pro Přední i Zadní stranu */

.flip-card-front,

.flip-card-back {

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    backface-visibility: hidden !important;

    -webkit-backface-visibility: hidden !important;

    border-radius: 16px;

    padding: 16px 12px;

    box-sizing: border-box;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    border: 1px solid rgba(0, 77, 64, 0.12);

    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);

    background: #ffffff;

}



/* PŘEDNÍ STRANA */

.flip-card-front {

    transform: rotateY(0deg);

    -webkit-transform: rotateY(0deg);

    z-index: 2;

}



/* ZADNÍ STRANA */

.flip-card-back {

    transform: rotateY(180deg);

    -webkit-transform: rotateY(180deg);

    border-color: #d4af37;

    z-index: 1;

}



/* Akcentovaná tmavá varianta (Karta 4) */

.flip-card-back.dark-theme {

    background: #004d40;

    color: #ffffff;

}



.flip-card-back.dark-theme .banner-1-card-title {

    color: #f3e5ab;

}



.flip-card-back.dark-theme .banner-1-card-desc {

    color: #e0f2f1;

}



/* ==========================================

   KONTROLA VELIKOSTI IKON A OBRÁZKŮ

   ========================================== */

.banner-1-icon-box {

    width: 156px !important;

    height: 156px !important;

    max-width: 156px !important;

    max-height: 156px !important;

    margin: 0 auto 10px auto;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 10px;

    background: #f0f7f5;

    padding: 6px;

    box-sizing: border-box;

    flex-shrink: 0;

}



.back-icon {

    background: #fcf8ec;

    border: 1px solid rgba(212, 175, 55, 0.3);

}



.dark-icon {

    background: rgba(255, 255, 255, 0.12);

    border: 1px solid rgba(243, 229, 171, 0.3);

}



/* Striktní zamezení roztažení obrázku přes obrazovku */

.banner-1-icon-img {

    max-width: 100% !important;

    max-height: 100% !important;

    width: auto !important;

    height: auto !important;

    object-fit: contain;

    display: block;

}



/* Texty v buňkách */

.banner-1-card-title {

    color: #004d40;

    font-size: clamp(0.85rem, 1.4vw, 1rem);

    font-weight: 700;

    margin: 0 0 6px 0;

    line-height: 1.25;

}



.banner-1-card-desc {

    color: #4a5568;

    font-size: clamp(0.75rem, 1.1vw, 0.82rem);

    line-height: 1.35;

    margin: 0;

}