/* ==========================================================================
   COOL Air Conditioning - Awwwards-Level Architectural Page Transition Engine
   Dual-Blade Terracotta & Obsidian Shutter System with Zero-Continuity Issues
   ========================================================================== */

/* Page Transition Overlay Stage */
.transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100svh;
    pointer-events: none;
    z-index: 99999;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.transition-overlay.is-covering,
.transition-overlay.is-revealing {
    display: flex;
}

/* Dual Shutter Blades (Terracotta Accent & Obsidian Deep Stone) */
.transition-blade {
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    will-change: transform;
    pointer-events: none;
}

/* Primary Blade: Signature Architectural Terracotta */
.transition-blade-terra {
    background-color: #BA582C;
    z-index: 2;
    transform: translateY(101%);
    box-shadow: 0 -15px 40px rgba(0, 0, 0, 0.35);
}

/* Secondary Blade: Volcanic Espresso / Deep Obsidian */
.transition-blade-dark {
    background-color: #141210;
    z-index: 3;
    transform: translateY(101%);
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(186, 88, 44, 0.08) 0%, transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 48px 48px, 48px 48px;
}

/* Center Architectural Monogram & Badge during transition */
.transition-brand {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.transition-brand-logo {
    width: 150px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
}

.transition-brand-line {
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, #BA582C, #ffffff, #BA582C, transparent);
    transition: width 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.transition-brand-sub {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 10px;
    letter-spacing: 3.5px;
    font-weight: 600;
    color: #B7B2A5;
    text-transform: uppercase;
}

/* ===== Transition Animation States ===== */

/* Phase 1: Wiping UP into coverage (Exit current page) */
.transition-overlay.is-covering .transition-blade-terra {
    transform: translateY(0%);
    transition: transform 0.65s cubic-bezier(0.76, 0, 0.24, 1);
}

.transition-overlay.is-covering .transition-blade-dark {
    transform: translateY(0%);
    transition: transform 0.72s cubic-bezier(0.76, 0, 0.24, 1) 0.08s;
}

.transition-overlay.is-covering .transition-brand {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition-delay: 0.25s;
}

.transition-overlay.is-covering .transition-brand-line {
    width: 140px;
    transition-delay: 0.35s;
}

/* Phase 2: Wiping UP out of coverage (Reveal new page) */
.transition-overlay.is-revealing .transition-blade-terra {
    transform: translateY(-101%);
    transition: transform 0.7s cubic-bezier(0.76, 0, 0.24, 1) 0.08s;
}

.transition-overlay.is-revealing .transition-blade-dark {
    transform: translateY(-101%);
    transition: transform 0.65s cubic-bezier(0.76, 0, 0.24, 1);
}

.transition-overlay.is-revealing .transition-brand {
    opacity: 0;
    transform: translate(-50%, -60%) scale(0.96);
    transition: opacity 0.25s ease, transform 0.3s ease;
}

.transition-overlay.is-revealing .transition-brand-line {
    width: 0;
}

/* Active Click Feedback Ripple on Cards */
.product-card, .btn-terra, .btn-outline-dark, .btn-outline-linen {
    position: relative;
    overflow: hidden;
}

.product-card.is-navigating {
    transform: scale(0.985);
    border-color: #BA582C !important;
    box-shadow: 0 0 30px rgba(186, 88, 44, 0.3) !important;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Page content fade-in choreography */
.page-fade-content {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

body.page-is-leaving .page-fade-content {
    opacity: 0.85;
    transform: scale(0.99) translateY(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}