:root {
    --primary: #00B4DB;
    --primary-dark: #0083B0;
    --accent: #00f2fe;
    --accent-pink: #ff006e;
    --accent-purple: #8338ec;
    --bg-dark: #030014;
    --card-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #e0e6ed;
    --text-muted: #7b8ca8;
    --grad: linear-gradient(135deg, var(--primary), var(--accent));
    --grad-warm: linear-gradient(135deg, #ff006e, #8338ec);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ====== STUNNING BACKGROUND ====== */
.background-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: 
        radial-gradient(ellipse at 20% 0%, rgba(0, 180, 219, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(131, 56, 236, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 0, 110, 0.05) 0%, transparent 60%);
}

/* Starfield Effect */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(255,255,255,0.7), transparent);
    background-size: 200px 200px;
    animation: twinkle 5s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.blob-container {
    position: absolute;
    width: 100%;
    height: 100%;
    filter: blur(100px);
}

.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    animation: morphBlob 15s infinite alternate;
}

.blob:nth-child(1) { 
    top: -200px; 
    left: -200px; 
    background: linear-gradient(45deg, rgba(0, 180, 219, 0.3), rgba(0, 242, 254, 0.2));
}
.blob:nth-child(2) { 
    bottom: -200px; 
    right: -200px; 
    background: linear-gradient(45deg, rgba(131, 56, 236, 0.25), rgba(255, 0, 110, 0.15));
    animation-delay: -5s; 
}
.blob:nth-child(3) { 
    top: 30%; 
    left: 50%; 
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, rgba(0, 180, 219, 0.15), rgba(131, 56, 236, 0.1));
    animation-delay: -10s; 
}

@keyframes morphBlob {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); border-radius: 50%; }
    33% { transform: translate(50px, 30px) scale(1.1) rotate(120deg); border-radius: 60% 40% 70% 30%; }
    66% { transform: translate(-30px, 50px) scale(0.95) rotate(240deg); border-radius: 40% 60% 30% 70%; }
    100% { transform: translate(20px, -20px) scale(1.05) rotate(360deg); border-radius: 50%; }
}

/* Grid Overlay */
.background-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* ====== CONTENT LAYOUT ====== */
.content {
    max-width: 1300px;
    margin: 0 auto;
    padding: 5rem 2rem;
    position: relative;
    z-index: 1;
}

/* ====== HERO SECTION ====== */
.hero {
    text-align: center;
    margin-bottom: 6rem;
    animation: fadeInDown 1s ease-out;
}

.logo-area {
    position: relative;
    display: inline-block;
    margin-bottom: 2.5rem;
}

.main-logo {
    width: 140px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(0, 180, 219, 0.6));
    animation: float 5s ease-in-out infinite;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 180, 219, 0.25) 0%, rgba(131, 56, 236, 0.1) 40%, transparent 70%);
    z-index: -1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; }
}

.title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 40px rgba(0, 180, 219, 0.3);
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--accent-purple));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    font-weight: 300;
    letter-spacing: 1px;
}

/* ====== GRID CARDS ====== */
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.card {
    position: relative;
    text-decoration: none;
    color: inherit;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 3rem 2rem;
    backdrop-filter: blur(12px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: fadeInUp 0.8s ease-out both;
    animation-delay: calc(var(--i) * 0.1s);
    overflow: hidden;
}

/* Card Glow Border Effect */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 28px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask-composite: exclude;
    transition: background 0.5s ease;
}

.card:hover::before {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple), var(--accent-pink));
}

/* Card Shine Effect */
.card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.03) 50%,
        transparent 60%
    );
    transform: rotate(45deg) translateY(-100%);
    transition: transform 0.6s ease;
}

.card:hover::after {
    transform: rotate(45deg) translateY(100%);
}

.card:hover {
    transform: translateY(-20px) scale(1.03);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.5), 
        0 0 50px rgba(0, 180, 219, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-content {
    position: relative;
    z-index: 2;
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    transition: all 0.5s ease;
    filter: drop-shadow(0 0 10px rgba(0, 180, 219, 0.3));
}

.card:hover .card-icon {
    transform: scale(1.3) rotate(15deg);
    filter: drop-shadow(0 0 20px rgba(0, 180, 219, 0.6));
}

.card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.6rem;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.card p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.btn-explore {
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-explore::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.card:hover .btn-explore::before {
    left: 100%;
}

.card:hover .btn-explore {
    background: var(--grad);
    border-color: transparent;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 180, 219, 0.3);
    transform: scale(1.05);
}

/* ====== FOOTER ====== */
.main-footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
}

/* ====== ANIMATIONS ====== */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(2deg); }
    50% { transform: translateY(-20px) rotate(0deg); }
    75% { transform: translateY(-10px) rotate(-2deg); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ====== RESPONSIVENESS ====== */
@media (max-width: 1024px) {
    .grid-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .title { font-size: 2.8rem; letter-spacing: 2px; }
    .subtitle { font-size: 1.1rem; }
    .grid-container { grid-template-columns: 1fr; gap: 1.5rem; }
    .content { padding: 3rem 1.5rem; }
    .card { padding: 2.5rem 1.5rem; }
    .main-logo { width: 100px; }
}