:root {
    --primary: #00aeef;
    --primary-dark: #008ec4;
    --secondary: #28a745;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 174, 239, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-link {
    color: var(--primary);
    font-weight: 600;
    padding: 0;
}

.btn-link:hover {
    color: var(--primary-dark);
    padding-left: 5px;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo-text span {
    color: var(--primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    font-weight: 600;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.05);
    background-color: #128c7e;
}

.whatsapp-float img {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .whatsapp-float span {
        display: none;
    }

    .whatsapp-float {
        padding: 15px;
        border-radius: 50%;
    }
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: radial-gradient(circle at top right, rgba(0, 174, 239, 0.05), transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

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

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

/* Features */
.features {
    padding: 6rem 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 16px;
    background-color: var(--light);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* How It Works */
.how-it-works {
    padding: 6rem 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 174, 239, 0.3);
}

.step h3 {
    margin-bottom: 1rem;
}

.step p {
    color: var(--gray);
}

/* CTA Section */
.cta {
    padding: 6rem 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--dark), #1e293b);
    padding: 5rem;
    border-radius: 24px;
    text-align: center;
    color: var(--white);
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-box p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background-color: var(--white);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
}

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

.footer-info p {
    margin-top: 1rem;
    color: var(--gray);
}

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

.footer-links a {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--gray);
}

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

.footer-contact p {
    color: var(--gray);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

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

/* Language Selector */
.language-selector {
    display: inline-flex;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

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

.lang-btn span {
    pointer-events: none;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #25d366;
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: var(--transition);
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-float img {
    width: 24px;
    height: 24px;
}

.whatsapp-float span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .cta-box {
        padding: 3rem 1.5rem;
    }

    .cta-box h2 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        padding: 0.6rem 1rem;
    }

    .whatsapp-float span {
        display: none;
    }
}