/* Custom Properties & Reset based on DESIGN.md (Ferrari Design System) */
:root {
    --bg-color: #181818; /* Near-black canvas floor */
    --canvas-elevated: #303030;
    --text-primary: #ffffff;
    --text-secondary: #969696;
    --accent: #da291c; /* Rosso Corsa */
    --accent-hover: #9d2211;
    --accent-active: #b01e0a;
    --hairline: #303030;
    --glass-bg: rgba(48, 48, 48, 0.45);
    --glass-border: #303030;
    --font-primary: 'Inter', -apple-system, system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-family: var(--font-primary); background-color: var(--bg-color); color: var(--text-primary); }
body { overflow-x: hidden; -webkit-font-smoothing: antialiased; background-color: var(--bg-color); }

/* Scroll Video Styles */
.scrolling-video video,
.scrolling-video .e-hosted-video {
  position: absolute; top: 0; left: 0; width: 2px; height: 2px;
  opacity: 0.01; overflow: hidden; pointer-events: none; background: transparent !important;
}

.vs-spacer {
  position: absolute; top: 0; left: 0; width: 100%; pointer-events: none;
}

.vs-cv-wrap {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
}

/* Cinematic vignette overlay to hide video edges and draw focus */
.vs-cv-wrap::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle, transparent 40%, rgba(0,0,0,0.8) 100%),
              linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.9) 100%);
  pointer-events: none;
  z-index: 1;
}

.vs-cv {
  width: 100%; height: 100%; display: block; object-fit: cover;
  filter: contrast(1.15) saturate(1.1) brightness(0.9); /* Cinematic color grading */
}

.vs-loading {
  position: absolute; inset: 0; z-index: 2;
  backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
  opacity: 1; transition: opacity 0.6s ease; pointer-events: none;
  animation: vs-pulse 2.6s cubic-bezier(0.45, 0, 0.55, 1) infinite;
  display: flex; align-items: center; justify-content: center;
}
.vs-loading::after {
    content: 'Loading Cinematic Experience...';
    font-size: 1.2rem; font-weight: 500; letter-spacing: 2px;
    text-transform: uppercase;
}

.vs-loading.vs-loaded { opacity: 0; animation: none; }
@keyframes vs-pulse {
  0%, 100% { background: rgba(0, 0, 0, 0.5); }
  50%      { background: rgba(0, 0, 0, 0.8); }
}

.scroling-video-container {
    position: relative;
    width: 100%;
    height: 1000vh;
}

/* Timeline Overlays */
.timeline-overlays {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; /* Let scroll pass through */
    z-index: 10;
}

.overlay-section {
    position: fixed; /* Fix overlays to screen, we will animate opacity/transform based on scroll */
    top: 0; left: 0; width: 100%; height: 100vh;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; /* Hidden by default, GSAP will show */
    visibility: hidden;
    pointer-events: none;
}

/* Specific alignments */
#overlay-about { align-items: flex-end; padding-bottom: 10vh; justify-content: flex-start; padding-left: 5vw; }
#overlay-inventory { align-items: center; justify-content: center; }
#overlay-sell, #overlay-contact { align-items: center; justify-content: center; }

/* Elements inside overlays can be interactive if visible */
.overlay-section.active-pointer { pointer-events: auto; visibility: visible; }

/* Reusable UI Components */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 0px; /* Sharp 0px corners — luxury automotive precision per DESIGN.md */
    max-width: 600px;
}

/* Grid Layouts */
.grid-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; width: 100%; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; width: 100%; }

/* Buttons, Typography, Forms from DESIGN.md */
h1, h2, h3, h4 { text-transform: uppercase; margin-bottom: 1rem; font-weight: 500; } /* Display weight stays at 500 — editorial confidence */
h1 { font-size: clamp(3rem, 8vw, 5rem); font-weight: 500; line-height: 1.05; letter-spacing: -1.6px; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 500; line-height: 1.2; letter-spacing: -0.36px; }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 500; line-height: 1.3; }
.accent { color: var(--accent); }
.text-center { text-align: center; }
.mb-3 { margin-bottom: 1rem; } .mb-4 { margin-bottom: 2rem; } .mt-3 { margin-top: 1rem; } .mt-4 { margin-top: 2rem; }
.w-100 { width: 100%; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; height: 48px;
    font-family: var(--font-primary); font-size: 14px; font-weight: 700;
    letter-spacing: 1.4px; text-transform: uppercase;
    border: none; cursor: pointer; border-radius: 0px; /* Sharp 0px corners — luxury automotive precision */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden;
}
.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { background: var(--accent-active); }
.btn-outline { background: transparent; border: 1px solid #ffffff; color: #ffffff; padding: 13px 31px; }
.btn-outline:hover { background: #ffffff; color: #181818; }

input, textarea, select {
    width: 100%; padding: 14px 16px; height: 48px;
    background: #181818; border: 1px solid var(--hairline);
    color: #ffffff; border-radius: 4px; font-family: var(--font-primary); font-size: 14px;
    transition: border-color 0.3s ease;
}
textarea { height: auto; }
input:focus, textarea:focus, select:focus { border-color: var(--accent); outline: none; }
label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

/* Timeline Horizontal */
.timeline-horizontal { display: flex; justify-content: space-between; position: relative; margin-top: 3rem; }
.timeline-horizontal::before { content: ''; position: absolute; top: 15px; left: 0; right: 0; height: 2px; background: var(--glass-border); z-index: -1; }
.step { text-align: center; background: transparent; padding: 0 1rem; }
.dot { width: 32px; height: 32px; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-weight: bold; }

/* Header */
.header { position: fixed; top: 0; width: 100%; height: 64px; z-index: 1000; padding: 0; background: rgba(24, 24, 24, 0.85); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border-bottom: 1px solid rgba(48, 48, 48, 0.6); pointer-events: auto; }
.header-inner { display: flex; justify-content: space-between; align-items: center; max-width: 1400px; height: 100%; margin: 0 auto; padding: 0 5%; }
.logo { font-size: 1.3rem; font-weight: 700; color: #fff; text-decoration: none; letter-spacing: 2.5px; cursor: pointer; text-transform: uppercase; }
.nav { display: flex; gap: 2rem; align-items: center; }
.nav-link { color: #ffffff; text-decoration: none; font-size: 13px; font-weight: 600; letter-spacing: 0.65px; text-transform: uppercase; cursor: pointer; transition: color 0.3s ease; }
.nav-link:hover { color: var(--accent); }

.trust-list { list-style: none; } .trust-list li { margin-bottom: 1rem; font-size: 1.1rem; } .trust-list i { color: var(--accent); margin-right: 10px; }

/* Custom Cursor */
.custom-cursor { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999; transform: translate(-50%, -50%); }
.cursor-follower { width: 40px; height: 40px; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 50%; position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9998; transform: translate(-50%, -50%); transition: width 0.3s, height 0.3s, background 0.3s; }
body:hover .custom-cursor, body:hover .cursor-follower { opacity: 1; }
.cursor-hover .cursor-follower { width: 60px; height: 60px; background: rgba(255, 255, 255, 0.1); border-color: transparent; }

/* Responsive Grid Adjustments */
@media (max-width: 1024px) {
    .grid-layout { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    #overlay-about { align-items: center; padding-left: 0; }
    #overlay-sell { padding-top: 10vh; }
}

/* Active Header Link */
.nav-link.active { color: var(--accent); }

/* Transition Curtain */
.transition-curtain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #050505; /* Deep cinematic black */
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-curtain.active {
    opacity: 1;
    pointer-events: auto;
}

/* Nav Back Button */
.back-to-inventory-btn {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-20px);
    opacity: 0;
}

.back-to-inventory-btn.visible {
    transform: translateX(0);
    opacity: 1;
}

/* Order Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 3rem;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Form Layout */
.form-row {
    display: flex;
    gap: 1rem;
}

.half-width {
    flex: 1;
}

.custom-select {
    width: 100%;
    padding: 1rem;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    color: #fff;
    border-radius: 4px;
    font-family: var(--font-primary);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.custom-select option {
    background: #111;
    color: #fff;
}

/* Mobile Only Multi-Step */
.mobile-only-btn {
    display: none;
}

/* === Multi-Step Smart Badges & Progress === */
.smart-step-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.2rem;
}

.step-indicator-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.step-badge {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.step-badge.active {
    background: rgba(230, 0, 0, 0.15);
    color: var(--accent);
    border-color: var(--accent);
}

.step-badge.completed {
    background: rgba(76, 175, 80, 0.15);
    color: #4CAF50;
    border-color: #4CAF50;
}

.step-line {
    flex: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    max-width: 30px;
}

.step-line.active {
    background: var(--accent);
}

/* === Multi-Step Form === */
.form-step {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.flex-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.flex-buttons button {
    flex: 1;
}

.success-icon {
    font-size: 4rem;
    color: #4CAF50;
    margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .modal-content {
        padding: 2rem;
    }
}

/* === Mobile Responsiveness Overhaul === */

/* Layout Classes (replacing inline margins) */
.layout-left { margin-right: auto; margin-left: 5vw; }
.layout-right { margin-left: auto; margin-right: 5vw; }
.layout-center { margin: 0 auto; text-align: center; }

/* Mobile Menu Button (Hidden on Desktop) */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 1001;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 11000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-content {
    width: 80%;
    max-width: 400px;
    text-align: center;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    font-size: 1.5rem;
}

.mobile-menu-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    cursor: pointer;
}

/* === Inventory Card Component === */
.inventory-card {
    border-radius: 0px; /* Sharp 0px corners per DESIGN.md feature-card-photo */
    overflow: hidden;
    background: var(--canvas-elevated);
    display: flex;
    flex-direction: column;
}

.inventory-card-media {
    position: relative;
    width: 100%;
    height: 250px; /* Slightly taller for better proportions */
    overflow: hidden;
}

.inventory-card-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

@media (hover: hover) and (pointer: fine) {
    .inventory-card:hover .inventory-card-media video {
        transform: scale(1.05);
    }
}

.inventory-card-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}

.inventory-card-title h3 {
    margin: 0;
    font-size: 1.4rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

/* Custom Model Select Dropdown */
.model-select-wrapper {
    position: relative;
    display: block;
    width: 100%;
    margin-top: 4px;
}

.custom-model-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    color: #ffffff;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.35rem 2rem 0.35rem 0.75rem;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    pointer-events: auto;
}

.custom-model-select:hover, .custom-model-select:focus {
    background: rgba(30, 30, 30, 0.9);
    border-color: var(--accent);
    box-shadow: 0 0 14px rgba(255, 42, 42, 0.4);
}

.custom-model-select option {
    background: #111111;
    color: #ffffff;
    padding: 10px;
    font-weight: 500;
}

.select-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 0.75rem;
    pointer-events: none;
    transition: transform 0.3s ease;
}

.custom-model-select:focus + .select-icon {
    transform: translateY(-50%) rotate(180deg);
}

.card-price-text {
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.price-updating {
    opacity: 0.2;
    transform: translateY(-3px);
}

.inventory-card-title span {
    font-size: 1rem;
    font-weight: normal;
}

.inventory-card-details {
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-top: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.inventory-card-details p {
    font-size: 1.1rem;
    color: #ddd;
    margin-bottom: 1rem;
}


/* Touch Device Cursors */
@media (pointer: coarse) {
    .custom-cursor, .cursor-follower {
        display: none !important;
    }
}

/* Mobile Viewport & Design Overhaul */
@media (max-width: 768px) {
    /* Mobile Header Backdrop */
    .header {
        background: rgba(10, 10, 10, 0.85) !important;
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 1rem 0 !important;
    }

    /* Hide desktop header elements & show hamburger */
    .desktop-nav, .header-inquire-btn {
        display: none !important;
    }
    .mobile-menu-btn {
        display: block;
    }
    .header-inner {
        padding: 0 1.2rem;
    }

    /* Clean Overlay Positioning Below Header */
    .overlay-section {
        padding-top: 80px !important;
        align-items: flex-start !important;
        justify-content: center !important;
    }
    #overlay-home {
        padding-top: 0 !important;
        align-items: center !important;
    }

    /* Glass Panels on Mobile */
    .glass-panel {
        width: 92%;
        margin: 0 auto !important;
        padding: 1.5rem 1.2rem;
    }

    .layout-left, .layout-right, .layout-center {
        margin: 0 auto !important;
        text-align: center;
    }

    /* Refined Typography */
    h1 { font-size: clamp(2.2rem, 8vw, 3.2rem); }
    h2 { font-size: clamp(1.5rem, 6vw, 2.2rem); }
    h3 { font-size: clamp(1.2rem, 5vw, 1.6rem); }
    
    /* Overlay padding resets */
    #overlay-about { padding-left: 0; padding-bottom: 3vh; justify-content: center; align-items: flex-start; }
    #overlay-sell, #overlay-contact { padding-top: 75px; align-items: flex-start; justify-content: center; }

    /* Mobile Only Multi-Step (Sell & Contact Sections) */
    .mobile-multi-step {
        display: block !important;
    }
    
    .mobile-multi-step .mobile-step {
        display: none;
        animation: fadeIn 0.4s ease forwards;
    }
    
    .mobile-multi-step .mobile-step.active {
        display: block;
    }
    
    .mobile-only-btn {
        display: block;
    }

    /* Modal Mobile Fixes */
    .modal-content {
        width: 95%;
        max-height: 92vh;
        padding: 1.5rem;
    }

    /* Mobile Inventory Carousel Overhaul */
    .inventory-content {
        padding: 0 4% !important;
    }
    .inventory-content h2 {
        margin-bottom: 0.8rem !important;
    }

    .grid-layout {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1.2rem;
        padding: 0.5rem 0.2rem 1.2rem;
        -webkit-overflow-scrolling: touch;
    }
    
    .grid-layout::-webkit-scrollbar {
        display: none;
    }

    .inventory-card {
        flex: 0 0 85%;
        max-width: 320px;
        scroll-snap-align: center;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
    }

    .inventory-card-media {
        height: 200px;
    }

    .inventory-card-details {
        padding: 1rem;
    }

    .inventory-card-details p {
        font-size: 0.95rem;
        color: var(--accent);
        font-weight: 600;
        margin-bottom: 0.25rem;
    }
}