* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

body {
    background: #000;
}

.container {
    position: relative;
    width: 100%;
    height: 100dvh;
    overflow: hidden;
}

/* Progress bars */
.progress-container {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
    z-index: 100;
    width: 90%;
    max-width: 360px;
}

.progress-bar {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(255, 107, 157, 0.3);
}

.progress-bar.active {
    background: linear-gradient(90deg, #ff6b9d 0%, #ff9a9e 100%);
    box-shadow: 0 0 20px rgba(255, 107, 157, 0.8), inset 0 0 10px rgba(255, 255, 255, 0.3);
    height: 4px;
}

/* Slides */
.slides-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 20px;
}

.slide-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.6);
    letter-spacing: 1px;
}

.slide-subtitle {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 400;
    color: #ff6b9d;
    animation: fadeInUp 0.8s ease 0.4s both;
    text-shadow: 0 4px 20px rgba(255, 107, 157, 0.4), 0 2px 10px rgba(0, 0, 0, 0.7);
    letter-spacing: 0.5px;
}

.slide-text {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.6);
    letter-spacing: 0.5px;
}

.slide-subtext {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.95);
    animation: fadeInUp 0.8s ease 0.4s both;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.8), 0 1px 5px rgba(0, 0, 0, 0.6);
    line-height: 1.7;
    letter-spacing: 0.3px;
}

/* Counter */
.counter-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.6);
    letter-spacing: 0.5px;
}

.counter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    width: 100%;
    max-width: 350px;
}

.counter-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.4s both;
    padding: 20px 15px;
    background: rgba(255, 107, 157, 0.08);
    border-radius: 15px;
    border: 1px solid rgba(255, 107, 157, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.counter-item:hover {
    background: rgba(255, 107, 157, 0.15);
    border-color: rgba(255, 107, 157, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.3);
}

.counter-value {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b9d 0%, #ff9a9e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Playfair Display', serif;
    text-shadow: 0 2px 10px rgba(255, 107, 157, 0.3);
}

.counter-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

/* Hearts animation */
.hearts {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 40px;
}

.heart {
    font-size: 2.5rem;
    color: #ff6b9d;
    animation: heartbeat 1.3s cubic-bezier(0.4, 0, 0.6, 1) infinite, float 3s ease-in-out infinite;
    filter: drop-shadow(0 2px 10px rgba(255, 107, 157, 0.5));
}

.heart:nth-child(1) {
    animation-delay: 0s, 0s;
}

.heart:nth-child(2) {
    animation-delay: 0.15s, 0.5s;
}

.heart:nth-child(3) {
    animation-delay: 0.3s, 1s;
}

/* Navigation */
.nav-left, .nav-right {
    position: fixed;
    top: 0;
    width: 40%;
    height: 100%;
    z-index: 50;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-left {
    left: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0) 100%);
}

.nav-right {
    right: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.nav-left:hover, .nav-right:hover {
    background: rgba(0, 0, 0, 0.3);
}

.nav-left::after {
    content: '◀';
    position: absolute;
    font-size: 32px;
    color: white;
    opacity: 0.4;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-left:hover::after {
    opacity: 0.8;
    transform: translateX(-5px);
}

.nav-right::after {
    content: '▶';
    position: absolute;
    font-size: 32px;
    color: white;
    opacity: 0.4;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-right:hover::after {
    opacity: 0.8;
    transform: translateX(5px);
}

/* Navigation hint */
.nav-hint {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    background: rgba(255, 107, 157, 0.9);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.9rem;
    text-align: center;
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-hint.hidden {
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Audio players */
.audio-container {
    display: none;
}

.audio-player {
    display: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.15);
    }
    50% {
        transform: scale(1.25);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(30px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .progress-bar {
        height: 2px;
    }

    .progress-bar.active {
        height: 3px;
    }

    .slide-title {
        font-size: 2.8rem;
        letter-spacing: 0px;
    }

    .slide-subtitle {
        font-size: 2rem;
    }

    .slide-text {
        font-size: 1.6rem;
    }

    .slide-subtext {
        font-size: 1rem;
        line-height: 1.6;
    }

    .counter-title {
        font-size: 1.5rem;
        margin-bottom: 35px;
    }

    .counter-grid {
        gap: 25px;
        max-width: 320px;
    }

    .counter-item {
        padding: 15px 10px;
    }

    .counter-value {
        font-size: 2.5rem;
    }

    .counter-label {
        font-size: 0.7rem;
    }

    .heart {
        font-size: 2rem;
    }

    .nav-left::after {
        font-size: 28px;
    }

    .nav-right::after {
        font-size: 28px;
    }
}
