:root {
    --primary: #1b75bc;
    --primary-bright: #3b82f6;
    --accent: #06b6d4;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.highlight {
    color: var(--primary-bright);
}

/* Header & Nav */
header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

#main-nav ul {
    display: flex;
    gap: 2rem;
}

#main-nav a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

#main-nav a:hover,
#main-nav a.active {
    color: var(--white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
}

/* Hero Section */
.hero {
    padding: 10rem 0 8rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4rem;
}

/* Smoother transition at the bottom */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to bottom, transparent, var(--dark-bg));
    pointer-events: none;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(27, 117, 188, 0.15) 0%, transparent 80%);
    z-index: -1;
    filter: blur(60px);
}

.hero-content {
    flex: 1.2;
    z-index: 2;
}

.hero-visual {
    flex: 0.8;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
}

.hero-arm-img {
    max-width: 120%;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.5));
    transition: filter 0.3s ease;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 2px;
    font-weight: 700;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(27, 117, 188, 0.39);
}

.btn-primary:hover {
    background: var(--primary-bright);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--dark-border);
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Features Grid */
.section {
    padding: 6rem 0;
}

.section-tag {
    color: var(--primary-bright);
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 1rem;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    padding: 2.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    background: #080d1a;
    border-top: 1px solid var(--dark-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-info h3 {
    margin-bottom: 1rem;
}

.footer-info p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--primary-bright);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    #main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--dark-bg);
        padding: 2rem;
        border-bottom: 1px solid var(--dark-border);
    }

    #main-nav.active {
        display: block;
    }

    #main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

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

    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-visual {
        justify-content: center;
        width: 100%;
    }

    .hero-arm-img {
        max-width: 80%;
    }
}