:root {
    --lp-primary: #6366f1;
    --lp-primary-dark: #4f46e5;
    --lp-secondary: #06b6d4;
    --lp-dark: #0f172a;
    --lp-dark-deep: #020617;
    --lp-text: #f8fafc;
    --lp-text-muted: #94a3b8;
    --lp-glass: rgba(15, 23, 42, 0.6);
    --lp-glass-border: rgba(255, 255, 255, 0.1);
    --lp-font: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --section-spacing: 50px;
}

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

body {
    background-color: var(--lp-dark-deep);
    color: var(--lp-text);
    font-family: var(--lp-font);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--lp-primary);
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.5) 0%, transparent 100%);
    z-index: -1;
}

section {
    padding: var(--section-spacing) 5%;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--lp-glass-border);
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #94a3b8);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.logo i {
    color: var(--lp-primary);
    -webkit-text-fill-color: var(--lp-primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--lp-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: #fff;
}

.btn-login {
    background: var(--lp-primary);
    color: white !important;
    padding: 0.6rem 1.8rem;
    border-radius: 99px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    background: var(--lp-primary-dark);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    padding: 120px 5% 60px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 2rem;
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 900;
    letter-spacing: -2px;
}

.hero-content h1 span {
    background: linear-gradient(to right, var(--lp-primary), var(--lp-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--lp-text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

.btn-main {
    padding: 1.1rem 2.8rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--lp-primary);
    color: white;
}

.btn-outline {
    border: 1px solid var(--lp-glass-border);
    color: white;
    background: var(--lp-glass);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.7);
    border: 1px solid var(--lp-glass-border);
    animation: float 6s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    display: block;
    transform: scale(1.02);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: var(--lp-glass);
    border: 1px solid var(--lp-glass-border);
    border-radius: 32px;
    padding: 3rem;
    margin-top: -50px;
    backdrop-filter: blur(20px);
}

.section-title {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 0 5%;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    color: var(--lp-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 0 5%;
    margin-bottom: 50px;
}

.feature-card {
    background: var(--lp-glass);
    border: 1px solid var(--lp-glass-border);
    padding: 2.5rem;
    border-radius: 32px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    background: rgba(30, 41, 59, 0.7);
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--lp-primary);
    margin-bottom: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.feature-card p {
    color: var(--lp-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.app-capture {
    margin-top: auto;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--lp-glass-border);
    background: #000;
}

.app-capture img {
    width: 100%;
    display: block;
    opacity: 0.7;
    transition: var(--transition);
}

.feature-card:hover .app-capture img {
    opacity: 1;
    transform: scale(1.05);
}

/* Architecture section */
.tech-card {
    background: var(--lp-glass);
    border: 1px solid var(--lp-glass-border);
    padding: 2rem;
    border-radius: 24px;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.tech-card:hover {
    border-color: var(--lp-primary);
    transform: translateX(10px);
}

/* Workflow Visual */
.workflow-box {
    background: rgba(15, 23, 42, 0.8);
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid #334155;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.workflow-box i {
    font-size: 1.5rem;
    color: var(--lp-secondary);
}

.workflow-box:hover {
    border-color: var(--lp-primary);
    transform: scale(1.02);
}

/* Responsive */
@media (max-width: 1100px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 3rem;
    }

    .cta-group {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .stats-section {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }
}