:root {
    /* Color Palette - Premium Dark Tech */
    --bg-dark: #0a0a0c;
    --bg-card: #141419;
    --primary: #6366f1;
    /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #a855f7;
    /* Purple */
    --accent: #06b6d4;
    /* Cyan */
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-spacing: 120px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--text-main) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

/* Structure */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: white;
    font-size: 0.8rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
}

/* Features/About Section */
.section {
    padding: var(--section-spacing) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 24px;
    background: var(--glass-bg);
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--accent);
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

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

/* Philosophy / Custom Solution Section */
.philosophy-block {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(20, 20, 25, 0.8) 0%, rgba(10, 10, 12, 0.9) 100%);
    padding: 60px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: 80px;
    /* Space before next section if needed */
}

.philosophy-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.quote-icon {
    font-size: 4rem;
    line-height: 1;
    color: var(--glass-border);
    margin-bottom: 20px;
}

.philosophy-block h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-speech {
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 30px;
    line-height: 1.5;
}

.sub-speech {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Modules Placeholder Section */
.modules-placeholder {
    background: var(--bg-card);
    border: 1px dashed var(--glass-border);
    border-radius: 24px;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.modules-placeholder:hover {
    border-color: var(--primary);
    background: var(--glass-bg);
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.gears-icon {
    font-size: 4rem;
    opacity: 0.5;
    animation: rotate 10s linear infinite;
}

.modules-placeholder h3 {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.badge-large {
    display: inline-block;
    padding: 8px 24px;
    background: var(--primary-glow);
    border: 1px solid var(--primary);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Contact Section */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 50px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-weight: 700;
    font-size: 1.2rem;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-container {
        padding: 30px;
    }

    .philosophy-block {
        padding: 40px 20px;
    }

    .main-speech {
        font-size: 1.2rem;
    }
}