/* ==================== CSS Variables ==================== */
:root {
    /* Yommi Colors (Two main colors) */
    --color-yommi-pink: #FFC4CE;        /* RGB(255, 196, 206) */
    --color-yommi-pink-light: #FFE0E7;
    --color-yommi-pink-dark: #FFA8B8;
    --color-yommi-blue: #ABC1F2;        /* RGB(171, 193, 242) */
    --color-yommi-blue-light: #D0DBF7;
    --color-yommi-blue-dark: #8BA5E8;

    /* Bam Colors (Purple) */
    --color-bam-purple: #7b68ee;        /* Bam Purple */
    --color-bam-purple-light: #9D8EF5;
    --color-bam-purple-dark: #6352D9;

    /* Legacy aliases for compatibility */
    --color-pink: var(--color-yommi-pink);
    --color-pink-light: var(--color-yommi-pink-light);
    --color-pink-dark: var(--color-yommi-pink-dark);
    --color-purple: var(--color-bam-purple);
    --color-purple-light: var(--color-bam-purple-light);
    --color-purple-dark: var(--color-bam-purple-dark);

    --color-bg-dark: #1a1a2e;
    --color-bg-light: #0f0f1e;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;

    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-primary);
    background: var(--color-bg-dark);
    overflow-x: hidden;
}

/* ==================== Slide Layout ==================== */
.slide {
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ==================== Slide 1: Hero ==================== */
.slide-1 {
    background: linear-gradient(135deg,
        var(--color-yommi-pink-dark) 0%,
        var(--color-bam-purple-dark) 100%);
    position: relative;
    overflow: hidden;
}

.slide-1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 50%, var(--color-yommi-pink) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, var(--color-bam-purple) 0%, transparent 50%);
    opacity: 0.3;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

.main-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
    line-height: 1.2;
}

.main-title .highlight {
    background: linear-gradient(90deg,
        var(--color-yommi-pink-light),
        var(--color-bam-purple-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.video-container {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    aspect-ratio: 16 / 9;
}

.video-container iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 1;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.scroll-indicator .arrow {
    font-size: 1.5rem;
    opacity: 0.8;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ==================== Slide 2: Members ==================== */
.slide-2 {
    background: var(--color-bg-light);
    background-image:
        linear-gradient(rgba(255, 196, 206, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(171, 193, 242, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    background: linear-gradient(90deg,
        var(--color-yommi-pink),
        var(--color-bam-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.member-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.member-card.member-pink {
    border-color: rgba(255, 196, 206, 0.3);
}

.member-card.member-pink:hover {
    border-color: var(--color-yommi-pink);
    box-shadow: 0 10px 40px rgba(255, 196, 206, 0.4);
    transform: translateY(-10px);
}

.member-card.member-purple {
    border-color: rgba(123, 104, 238, 0.3);
}

.member-card.member-purple:hover {
    border-color: var(--color-bam-purple);
    box-shadow: 0 10px 40px rgba(123, 104, 238, 0.4);
    transform: translateY(-10px);
}

.member-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.member-card:hover .member-image img {
    transform: scale(1.1);
}

.member-info {
    text-align: center;
}

.member-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.member-card.member-pink .member-name {
    background: linear-gradient(90deg, var(--color-yommi-pink-dark) 40%, var(--color-yommi-blue-dark) 75%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.member-card.member-purple .member-name {
    color: var(--color-bam-purple-light);
}

.member-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.member-tags {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.member-pink .tag {
    background: rgba(255, 196, 206, 0.2);
    border: 1px solid var(--color-yommi-pink);
    color: var(--color-yommi-pink-light);
}

.member-pink .tag:hover {
    background: var(--color-yommi-pink);
    color: white;
}

.member-purple .tag {
    background: rgba(123, 104, 238, 0.2);
    border: 1px solid var(--color-bam-purple);
    color: var(--color-bam-purple-light);
}

.member-purple .tag:hover {
    background: var(--color-bam-purple);
    color: white;
}

/* ==================== Slide 3: Links ==================== */
.slide-3 {
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-dark) 100%);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.links-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
    transition: var(--transition-smooth);
}

.links-section.links-pink {
    border-color: rgba(255, 196, 206, 0.3);
}

.links-section.links-pink:hover {
    border-color: var(--color-yommi-pink);
    box-shadow: 0 10px 40px rgba(255, 196, 206, 0.3);
}

.links-section.links-purple {
    border-color: rgba(123, 104, 238, 0.3);
}

.links-section.links-purple:hover {
    border-color: var(--color-bam-purple);
    box-shadow: 0 10px 40px rgba(123, 104, 238, 0.3);
}

.links-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.links-pink .links-title {
    background: linear-gradient(90deg, var(--color-yommi-pink-dark) 40%, var(--color-yommi-blue-dark) 75%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.links-purple .links-title {
    color: var(--color-bam-purple-light);
}

.link-buttons {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
}

.link-button {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-smooth);
    position: relative;
}

.link-button svg,
.link-button img {
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.link-button img {
    border-radius: 20%;
}

.link-button:hover {
    transform: translateY(-5px) scale(1.1);
}


.footer {
    margin-top: 4rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .video-container {
        border-radius: 15px;
    }

    .members-grid,
    .links-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .member-card,
    .links-section {
        padding: 1.5rem;
    }

    .link-buttons {
        gap: 1rem;
    }

    .link-button svg,
    .link-button img {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .member-name {
        font-size: 1.5rem;
    }

    .links-title {
        font-size: 1.6rem;
    }
}