* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

:root {
    --primary: #0d9488;
    --secondary: #0f766e;
    --accent: #14b8a6;
    --light: #ffffff;
    --dark: #1e293b;
    --gray: #64748b;
    --light-gray: #e2e8f0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* HEADER */
header {
    background: var(--light);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

    .nav-links a {
        text-decoration: none;
        color: var(--dark);
        font-weight: 500;
        transition: var(--transition);
    }

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

/* HERO */
.hero {
    background: linear-gradient(135deg, #ccfbf1, #f0fdfa);
    padding: 80px 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.2;
}

.hero p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 14px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

    .btn:hover {
        background: var(--secondary);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(13, 148, 136, 0.2);
    }

.hero-box {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

    .hero-box:hover {
        transform: translateY(-5px);
    }

    .hero-box i {
        font-size: 48px;
        color: var(--primary);
        margin-bottom: 15px;
    }

    .hero-box p {
        font-size: 1.1rem;
        color: var(--dark);
        font-weight: 500;
    }

/* STEPS */
.steps {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

    .section-title h2 {
        font-size: 32px;
        margin-bottom: 10px;
        color: var(--dark);
    }

    .section-title p {
        color: var(--gray);
        max-width: 700px;
        margin: 0 auto;
    }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

    .step:hover {
        transform: translateY(-10px);
    }

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.step i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 15px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

/* FEATURES */
.features {
    background: #f1f5f9;
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

    .feature:hover {
        transform: translateY(-5px);
    }

    .feature i {
        font-size: 32px;
        color: var(--primary);
        margin-bottom: 15px;
    }

    .feature h3 {
        font-size: 20px;
        margin-bottom: 10px;
        color: var(--dark);
    }

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 80px 0;
    text-align: center;
}

    .cta h2 {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .cta p {
        margin: 20px 0 30px;
        opacity: 0.9;
        font-size: 1.1rem;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta .btn {
        background: white;
        color: var(--primary);
        font-size: 1.1rem;
        padding: 15px 35px;
    }

        .cta .btn:hover {
            background: #f1f5f9;
            color: var(--secondary);
        }

/* FOOTER */
footer {
    background: var(--dark);
    color: #cbd5e1;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

    .footer-column h3::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 50px;
        height: 3px;
        background: var(--accent);
    }

.footer-links {
    list-style: none;
}

    .footer-links li {
        margin-bottom: 12px;
    }

    .footer-links a {
        color: #94a3b8;
        text-decoration: none;
        transition: var(--transition);
        display: flex;
        align-items: center;
        gap: 8px;
    }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }

    .footer-links i {
        width: 20px;
    }

.contact-info {
    margin-top: 10px;
}

    .contact-info p {
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

    .social-icons a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.1);
        color: white;
        border-radius: 50%;
        text-decoration: none;
        transition: var(--transition);
    }

        .social-icons a:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
}

    .footer-bottom a {
        color: var(--accent);
        text-decoration: none;
    }

        .footer-bottom a:hover {
            text-decoration: underline;
        }

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 30px;
    }

    nav {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 26px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .step, .feature {
        padding: 25px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-column h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links a {
        justify-content: center;
    }

    .contact-info p {
        justify-content: center;
    }

    .social-icons {
        justify-content: center;
    }
}