:root {
    /* Infoservi Branding (Dark Theme) */
    --infoservi-bg: #0a0e17;
    --infoservi-card: #151b27;
    --infoservi-primary: #00d4ff;
    /* Electric Cyan */
    --infoservi-secondary: #9d00ff;
    /* Purple/Magenta */
    --infoservi-text: #e0e0e0;
    --infoservi-text-muted: #a0a0a0;

    /* SensoSphere Branding (Light Theme) */
    --senso-bg: #f8faff;
    --senso-card: #ffffff;
    --senso-primary: #007bff;
    /* Bright Pro Blue */
    --senso-text: #2c3e50;
    --senso-text-muted: #5d6d7e;

    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--infoservi-bg);
    color: var(--infoservi-text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Sections */
section {
    padding: 100px 0;
}

/* Glassmorphism Classes */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--infoservi-primary), var(--infoservi-secondary));
    color: white;
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.4);
}

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

.btn-senso:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(10, 14, 23, 0.7), rgba(10, 14, 23, 0.9)), url('ftth_course_hero_1767043418819.png') center/cover no-repeat;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeInUp 1s ease-out forwards;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--infoservi-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Module Grid */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.module-card {
    padding: 30px;
    background: var(--infoservi-card);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--infoservi-primary);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.module-card h3 {
    color: var(--infoservi-primary);
    margin-bottom: 15px;
}

.module-card ul {
    list-style: none;
}

.module-card li {
    padding: 8px 0;
    color: var(--infoservi-text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* Senso Section */
.senso-section {
    background-color: var(--senso-bg);
    color: var(--senso-text);
}

.senso-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.senso-text {
    flex: 1;
}

.senso-image {
    flex: 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Form */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    outline: none;
}

.form-group input:focus {
    border-color: var(--infoservi-primary);
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    section {
        padding: 60px 0;
    }

    .senso-content {
        flex-direction: column;
        text-align: center;
    }

    .senso-image {
        order: -1;
        margin-bottom: 30px;
    }

    .info-bar .container {
        grid-template-columns: repeat(2, 1fr);
        display: grid !important;
    }
}

html {
    scroll-behavior: smooth;
}