/* hero-section.css - VERSION FINALE AVEC CLASSES */

/* Hero Section */
.hero-small {
    background: linear-gradient(135deg, #1a365d 0%, #2c5aa0 50%, #3182ce 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 30vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.hero-small .hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: 0 1.5rem;
}

.hero-small h1 {
    color: #ffffff;
    font-size: clamp(2rem, 6vw, 3.5rem);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    font-weight: 700;
}

.hero-small p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.9;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-accueil {
    height: 100vh;
}

.hero-service-detail {
    height: 30vh;
}

/* CONTAINERS */
.dynamic-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.bubbles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.bubbles-container * {
    pointer-events: auto;
}

/* PARTICULES */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform, opacity;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0px) translateX(0px) scale(0.5);
        opacity: 0;
        filter: brightness(0.5) blur(2px);
    }
    5% {
        opacity: 0.8;
        filter: brightness(3) blur(0px);
        transform: translateY(-2px) translateX(0px) scale(1.5);
    }
    15% {
        opacity: 0.6;
        filter: brightness(1) blur(0px);
        transform: translateY(-5px) translateX(2px) scale(1);
    }
    85% {
        opacity: 0.6;
        filter: brightness(1) blur(0px);
    }
    95% {
        opacity: 0.2;
        filter: brightness(0.7) blur(1px);
    }
    100% {
        transform: translateY(-30px) translateX(var(--drift-x, 0px)) scale(0.8);
        opacity: 0;
        filter: brightness(0.2) blur(3px);
    }
}

@keyframes rareTwinkle {
    0%, 92%, 100% {
        opacity: 0.6;
        transform: scale(1);
        filter: brightness(1.2);
    }
    93% {
        opacity: 0.2;
        transform: scale(0.8);
        filter: brightness(0.6);
    }
    95% {
        opacity: 1;
        transform: scale(2.5);
        filter: brightness(5) saturate(1.8);
    }
    97% {
        opacity: 0.9;
        transform: scale(2);
        filter: brightness(4);
    }
    99% {
        opacity: 0.7;
        transform: scale(1.2);
        filter: brightness(1.5);
    }
}

/* BULLES - BASE */
.bubble {
    position: absolute;
    bottom: -100px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.8), rgba(255,255,255,0.3));
    box-shadow: inset 0 0 20px rgba(255,255,255,0.5), 0 0 20px rgba(255,255,255,0.3);
    pointer-events: auto;
    cursor: pointer;
    transition: transform 0.2s ease;
    will-change: transform, bottom, opacity;
}

.bubble:hover {
    transform: scale(1.1);
}

/* ANIMATION DES BULLES - CLASSE */
.bubble-animate {
    animation: bubbleRise var(--bubble-duration, 10s) linear forwards;
}

@keyframes bubbleRise {
    0% {
        bottom: -100px;
        opacity: 0;
        transform: translateX(0) scale(0.5);
    }
    10% {
        opacity: 0.7;
        transform: translateX(5px) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(var(--bubble-drift, 0px)) scale(1);
    }
    90% {
        opacity: 0.5;
    }
    100% {
        bottom: 110vh;
        opacity: 0;
        transform: translateX(var(--bubble-drift, 0px)) scale(0.8);
    }
}

/* ANIMATION POP */
.bubble-pop {
    animation: bubblePop 0.25s ease-out forwards;
}

@keyframes bubblePop {
    0% {
        opacity: 0.8;
        transform: scale(1);
        filter: brightness(1);
    }
    30% {
        opacity: 1;
        transform: scale(1.3);
        filter: brightness(1.3);
    }
    100% {
        opacity: 0;
        transform: scale(0.3);
        filter: brightness(0.5);
    }
}

/* FRAGMENTS */
.bubble-fragment {
    position: absolute;
    background: radial-gradient(circle at 40% 40%, rgba(255,255,255,0.95), rgba(200,220,255,0.6));
    box-shadow: 0 0 4px rgba(255,255,255,0.8), 0 0 8px rgba(200,220,255,0.4);
    pointer-events: none;
    will-change: transform, opacity;
}

.bubble-fragment.droplet {
    border-radius: 50% 50% 50% 0%;
}

.bubble-fragment.round {
    border-radius: 50%;
}

@keyframes fragmentFly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
        filter: brightness(1.3);
    }
    15% {
        opacity: 1;
        filter: brightness(1.5);
    }
    50% {
        opacity: 0.9;
        filter: brightness(1.2);
    }
    70% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translate(var(--fragment-x, 0px), var(--fragment-y, 0px)) scale(0.2) rotate(var(--fragment-rotate, 0deg));
        filter: brightness(0.5) blur(1px);
    }
}

/* SKYLINE */
.nantes-skyline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 3;
    pointer-events: none;
}

.nantes-skyline img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0.5;
    object-fit: cover;
}

/* CTA SECTION */
.section-cta {
    background: linear-gradient(135deg, #1a365d 0%, #2c5aa0 50%, #3182ce 100%);
    color: #ffffff;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* RESPONSIVE */
@media (max-width: 1000px) {
    .nantes-skyline {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (min-width: 576px) {
    .hero-small {
        padding: clamp(5rem, 8vh, 6rem) 0;
    }
}

@media (min-width: 992px) {
    .hero-small {
        padding: clamp(7rem, 12vh, 9rem) 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .bubble,
    .particle {
        animation: none !important;
    }
}