/* Custom Styles for DJ Mariage Vendée - Performance Optimized */

:root {
    --dusty-rose: #cc8b86;
    --linen: #f9eae1;
    --smoky-rose: #7d4f50;
    --pale-oak: #d1be9c;
    --taupe: #aa998f;
}

/* Critical CSS - Above the fold */
html {
    scroll-behavior: smooth;
}

body {
    font-display: swap;
}

/* Optimized Animations - GPU accelerated */
.reveal {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        transition: none;
        transform: none;
        opacity: 1;
    }

    .animate-marquee,
    .animate-marquee-reverse {
        animation: none;
    }
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--linen);
}

::-webkit-scrollbar-thumb {
    background: var(--smoky-rose);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dusty-rose);
}

/* FAQ Accordion Transitions - GPU optimized */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    will-change: max-height, opacity;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    padding-top: 1rem;
}

.faq-icon {
    transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* Quiz Logic & Transitions */
.quiz-question {
    display: none;
}

.quiz-question.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.quiz-step {
    display: none;
}

.quiz-step.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate3d(0, 10px, 0);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* Dynamic Quiz Results */
.result-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--pale-oak);
    box-shadow: 0 10px 15px -3px rgba(125, 79, 80, 0.12);
    animation: fadeIn 0.4s ease-out;
}

.result-card h4 {
    color: var(--smoky-rose);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.result-card p {
    color: #5b4546;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.result-card strong {
    color: #3f2728;
}

/* Optimized Marquee Animations */
.animate-marquee {
    animation: marquee 40s linear infinite;
    will-change: transform;
}

.animate-marquee-reverse {
    animation: marquee-reverse 40s linear infinite;
    will-change: transform;
}

@keyframes marquee {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

@keyframes marquee-reverse {
    0% {
        transform: translate3d(-50%, 0, 0);
    }

    100% {
        transform: translate3d(0, 0, 0);
    }
}

/* Performance: Pause animations when not visible */
.animate-marquee:hover,
.animate-marquee-reverse:hover {
    animation-play-state: paused;
}

/* Mobile optimizations */
@media (max-width: 768px) {

    .animate-marquee,
    .animate-marquee-reverse {
        animation-duration: 25s;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .group:hover img {
        transform: none;
    }
}

/* ============================================================
   DESIGN SYSTEM UPGRADE — Agence Level
   ============================================================ */

/* --- Typographie sérif display --- */
.font-display {
    font-family: 'Cormorant Garamond', Georgia, serif;
}

/* --- Hero plein écran --- */
.hero-fullscreen {
    min-height: 100svh;
    position: relative;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero-bg-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.9s ease;
}

.hero-bg-slide.visible {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(63, 31, 32, 0.92) 0%,
            rgba(63, 31, 32, 0.45) 45%,
            rgba(63, 31, 32, 0.25) 100%);
    pointer-events: none;
}

/* Hero dots */
.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.hero-dot.active {
    background: white;
    transform: scale(1.35);
}

/* Nombre décoratif en filigrane */
.card-num {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 6rem;
    font-weight: 300;
    line-height: 1;
    position: absolute;
    top: -0.5rem;
    right: 0.5rem;
    color: var(--pale-oak);
    opacity: 0.5;
    pointer-events: none;
    user-select: none;
    transition: opacity 0.3s ease, color 0.3s ease;
}

/* --- Cards riches --- */
.card-rich {
    position: relative;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(.22, .68, 0, 1.2), box-shadow 0.35s ease, border-color 0.3s ease;
}

.card-rich:hover {
    transform: translateY(-6px) scale(1.015);
    box-shadow: 0 24px 48px -10px rgba(125, 79, 80, 0.22);
    border-color: var(--dusty-rose);
}

.card-rich:hover .card-num {
    opacity: 0.8;
    color: var(--dusty-rose);
}

/* Card icon container */
.card-icon {
    width: 3rem;
    height: 3rem;
    background: white;
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--pale-oak);
    transition: background 0.3s ease, border-color 0.3s ease;
    flex-shrink: 0;
}

.card-rich:hover .card-icon {
    background: var(--smoky-rose);
    border-color: var(--smoky-rose);
}

.card-rich:hover .card-icon svg {
    stroke: white;
}

/* Card featured (mise en avant) */
.card-featured {
    background: var(--smoky-rose);
    color: white;
    border-color: var(--smoky-rose);
}

.card-featured .card-num {
    color: rgba(255, 255, 255, 0.15);
    opacity: 1;
}

.card-featured .card-icon {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-featured .card-icon svg {
    stroke: white;
}

/* --- Micro-interaction boutons (shimmer) --- */
.btn-shimmer {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg,
            transparent 30%,
            rgba(255, 255, 255, 0.22) 50%,
            transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.55s ease;
}

.btn-shimmer:hover::after {
    transform: translateX(120%);
}

/* Bouton avec underline animé */
.btn-underline {
    position: relative;
}

.btn-underline::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dusty-rose);
    transition: width 0.3s ease;
}

.btn-underline:hover::before {
    width: 100%;
}

/* --- Timeline verticale --- */
.timeline-wrap {
    position: relative;
}

.timeline-wrap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom,
            transparent 0%,
            var(--pale-oak) 10%,
            var(--dusty-rose) 50%,
            var(--pale-oak) 90%,
            transparent 100%);
}

.timeline-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    column-gap: 2rem;
    align-items: center;
    margin-bottom: 1.75rem;
}

.timeline-row:nth-child(odd) .tl-card {
    grid-column: 1;
    text-align: right;
}

.timeline-row:nth-child(odd) .tl-dot {
    grid-column: 2;
}

.timeline-row:nth-child(odd) .tl-void {
    grid-column: 3;
}

.timeline-row:nth-child(even) .tl-void {
    grid-column: 1;
}

.timeline-row:nth-child(even) .tl-dot {
    grid-column: 2;
}

.timeline-row:nth-child(even) .tl-card {
    grid-column: 3;
    text-align: left;
}

.tl-dot {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    background: var(--smoky-rose);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    flex-shrink: 0;
    z-index: 1;
    box-shadow: 0 0 0 6px var(--linen), 0 4px 12px rgba(125, 79, 80, 0.25);
    border: 2px solid var(--dusty-rose);
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timeline-row:hover .tl-dot {
    transform: scale(1.12);
    box-shadow: 0 0 0 8px var(--linen), 0 6px 18px rgba(125, 79, 80, 0.3);
}

.tl-card {
    background: white;
    border-radius: 1.25rem;
    padding: 1.25rem 1.5rem;
    border: 1.5px solid var(--pale-oak);
    transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.timeline-row:hover .tl-card {
    box-shadow: 0 12px 28px -6px rgba(125, 79, 80, 0.18);
    border-color: var(--dusty-rose);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .timeline-wrap::before {
        left: 1.25rem;
    }

    .timeline-row {
        grid-template-columns: auto 1fr;
        column-gap: 1rem;
    }

    .timeline-row:nth-child(odd) .tl-card,
    .timeline-row:nth-child(even) .tl-card {
        grid-column: 2;
        text-align: left;
    }

    .timeline-row:nth-child(odd) .tl-dot,
    .timeline-row:nth-child(even) .tl-dot {
        grid-column: 1;
    }

    .tl-void {
        display: none !important;
    }

    .tl-dot {
        width: 2.5rem;
        height: 2.5rem;
    }
}

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

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

.step-bar {
    height: 3px;
    background: var(--pale-oak);
    border-radius: 99px;
    overflow: hidden;
}

.step-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--smoky-rose), var(--dusty-rose));
    border-radius: 99px;
    transition: width 0.45s ease;
}

/* Floating label */
.fl-wrap {
    position: relative;
}

.fl-wrap input,
.fl-wrap textarea,
.fl-wrap select {
    font-family: 'Open Sans', sans-serif;
    padding: 1.35rem 1rem 0.55rem;
    border: 1.5px solid var(--pale-oak);
    border-radius: 0.875rem;
    width: 100%;
    background: white;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
    -webkit-appearance: none;
    appearance: none;
}

.fl-wrap input:focus,
.fl-wrap textarea:focus,
.fl-wrap select:focus {
    border-color: var(--dusty-rose);
    box-shadow: 0 0 0 3px rgba(204, 139, 134, 0.14);
}

.fl-wrap label {
    position: absolute;
    left: 1rem;
    top: 0.95rem;
    font-size: 0.875rem;
    color: var(--taupe);
    pointer-events: none;
    transition: all 0.22s ease;
    transform-origin: left top;
    background: transparent;
}

.fl-wrap input:focus~label,
.fl-wrap input:not(:placeholder-shown)~label,
.fl-wrap textarea:focus~label,
.fl-wrap textarea:not(:placeholder-shown)~label,
.fl-wrap select:focus~label,
.fl-wrap select:not([value=""])~label {
    transform: scale(0.76) translateY(-0.7rem);
    color: var(--smoky-rose);
}

/* Dots musicaux options */
.option-chip {
    cursor: pointer;
    padding: 0.6rem 1rem;
    border-radius: 99px;
    border: 1.5px solid var(--pale-oak);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s ease;
    user-select: none;
    background: white;
}

.option-chip:hover {
    border-color: var(--dusty-rose);
    color: var(--smoky-rose);
}

.option-chip input:checked+span,
.option-chip.selected {
    background: var(--smoky-rose);
    color: white;
    border-color: var(--smoky-rose);
}

/* --- Séparateurs SVG décoratifs --- */
.wave-divider {
    overflow: hidden;
    line-height: 0;
    margin-bottom: -2px;
}

.wave-divider svg {
    display: block;
    width: 100%;
}

/* Décoration trait titre */
.section-title-line::after {
    content: '';
    display: block;
    width: 3rem;
    height: 3px;
    background: linear-gradient(to right, var(--dusty-rose), var(--pale-oak));
    border-radius: 99px;
    margin: 0.75rem auto 0;
}

/* Dégradé texte titres signature */
.text-gradient {
    background: linear-gradient(135deg, var(--smoky-rose) 0%, var(--dusty-rose) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav link underline animation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dusty-rose);
    border-radius: 99px;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}