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

:root {
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --accent-cyan: #00f5ff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    --gradient-main: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===== Cursor Glow Effect ===== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 245, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: opacity 0.3s;
}

/* ===== Background Effects ===== */
.grid-bg {
    position: fixed;
    inset: 0;
    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;
    z-index: -2;
}

.gradient-orbs {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-purple);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-cyan);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-pink);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

/* ===== Glass Navigation ===== */
.nav-glass {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    padding: 16px 32px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.8rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.btn-glow {
    padding: 12px 28px;
    background: var(--gradient-main);
    border: none;
    border-radius: 12px;
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-main);
    border-radius: 14px;
    z-index: -1;
    filter: blur(15px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-glow:hover {
    transform: translateY(-2px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 80px;
    max-width: 1400px;
    margin: 0 auto;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.tag-line {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% auto;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--text-primary);
    color: var(--bg-dark);
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.2);
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-arrow {
    transform: translateX(5px);
}

.btn-secondary {
    padding: 16px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--text-secondary);
}

/* ===== Hero Visual ===== */
.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    padding: 20px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: transform 0.1s ease-out;
    z-index: 10;
}

.card-1 {
    top: 40px;
    left: 20px;
    animation: float-card 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation: float-card 6s ease-in-out infinite 2s;
}

.card-3 {
    bottom: 40px;
    left: 60px;
    animation: float-card 6s ease-in-out infinite 4s;
}

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

.card-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.card-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Hologram Rings ===== */
.hologram-ring {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate-ring 20s linear infinite;
}

.ring-2 {
    width: 250px;
    height: 250px;
    border-color: var(--accent-purple);
    animation-direction: reverse;
    animation-duration: 15s;
}

.ring-3 {
    width: 200px;
    height: 200px;
    border-color: var(--accent-pink);
    animation-duration: 25s;
}

@keyframes rotate-ring {
    from { transform: rotate(0deg) rotateX(60deg); }
    to { transform: rotate(360deg) rotateX(60deg); }
}

/* ===== Center Sphere ===== */
.center-sphere {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-main);
    position: relative;
    box-shadow:
        0 0 60px rgba(0, 245, 255, 0.5),
        0 0 120px rgba(168, 85, 247, 0.3);
    animation: sphere-pulse 3s ease-in-out infinite;
}

.sphere-inner {
    position: absolute;
    inset: 10px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), transparent 60%);
    border-radius: 50%;
}

@keyframes sphere-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===== Features Section ===== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    padding: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-main);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--bg-dark);
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== Footer ===== */
.footer-glass {
    padding: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 140px 40px 80px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        width: 100%;
        height: 400px;
    }

    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-glass {
        padding: 12px 20px;
    }

    .hero {
        padding: 120px 20px 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .features {
        padding: 40px 20px;
    }

    .floating-card {
        display: none;
    }
}

/* ===== Selection Style ===== */
::selection {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}