:root {
    /* Colors */
    --color-primary: #0F172A;
    /* Deep Navy Blue */
    --color-accent: #25D366;
    /* WhatsApp Green */
    --color-accent-dark: #128C7E;
    --color-text-main: #334155;
    --color-text-light: #64748B;
    --color-bg-light: #F8FAFC;
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 12px;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-white);
}

h1,
h2,
h3,
.logo {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.bg-light {
    background-color: var(--color-bg-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.site-header {
    background-color: var(--color-white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.desktop-nav {
    display: none;
    /* Mobile first */
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        gap: var(--spacing-lg);
        align-items: center;
    }
}

/* Hero */
.hero {
    text-align: center;
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #E2E8F0 100%);
}

.hero h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.subheadline {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

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

.service-card i {
    font-size: 3rem;
    color: var(--color-accent-dark);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Audience List */
.audience-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.audience-list li {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 500;
    font-size: 1.1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.audience-list i {
    color: var(--color-accent);
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .audience-list {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Features / Why Choose Us */
.features-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
}

.feature i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg-light);
    padding: 1rem;
    border-radius: 50%;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Steps */
.steps-grid {
    display: grid;
    gap: var(--spacing-lg);
    counter-reset: step;
}

.step {
    position: relative;
    padding-left: 3rem;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        text-align: center;
    }

    .step {
        padding-left: 0;
        padding-top: 4rem;
    }

    .step-number {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Footer & CTA */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
    text-align: center;
}

.footer-cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-cta p {
    color: #94A3B8;
    margin-bottom: var(--spacing-md);
}

.footer-contact-info {
    margin-bottom: var(--spacing-lg);
}

.footer-contact-info p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer-contact-info i {
    color: var(--color-accent);
}

.footer-bottom {
    margin-top: 4rem;
    border-top: 1px solid #334155;
    padding-top: 2rem;
    font-size: 0.9rem;
    color: #94A3B8;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .floating-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}