:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #eef2ff;
    --secondary: #0f172a;
    --bg-main: #f8fafc;
    --bg-white: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --success: #22c55e;
    --danger: #ef4444;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-premium: 0 25px 50px -12px rgba(99, 102, 241, 0.15);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --container: 1280px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    --whatsapp: #25d366;
    --whatsapp-dark: #128c7e;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-sm);
}

nav {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary);
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-main);
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(255, 255, 255, 0) 50%);
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    color: var(--secondary);
    max-width: 900px;
    margin: 0 auto 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 5rem;
}

.hero-img-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    background: white;
    padding: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.hero-img {
    width: 100%;
    border-radius: calc(var(--radius-lg) - 6px);
    display: block;
    transition: var(--transition);
}

.hero-img:hover {
    transform: scale(1.01);
}

/* Browser Frame */
.browser-frame {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.browser-header {
    height: 32px;
    background: #f1f5f9;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 6px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
}

.browser-content {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.browser-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

/* Features */
.features {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-header h2 {
    font-size: 2.75rem;
    color: var(--secondary);
    margin-bottom: 1.25rem;
    font-weight: 800;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.feature-card {
    background: var(--bg-main);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    background: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: white;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* Stats */
.stats {
    padding: 100px 0;
    background-color: var(--secondary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

/* Roles Tiles */
.roles {
    padding: 100px 0;
}

.role-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.role-tile {
    padding: 2.5rem;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    display: flex;
    gap: 1.5rem;
}

.role-tile i {
    font-size: 2.5rem;
    color: var(--primary);
}

.role-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background-color: #fff;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

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

.footer-links h5 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    nav {
        height: 70px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 140px 0 60px;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
}

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Background Patterns */
.bg-dots {
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='3' cy='3' r='1' fill='%236366f1' fill-opacity='0.1'/%3E%3C/svg%3E");
}

/* Workflow Section */
.workflow {
    padding: 120px 0;
    background: var(--bg-white);
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
    padding-top: 2rem;
}

@media (max-width: 992px) {
    .workflow-steps {
        flex-direction: column;
        align-items: center;
        gap: 4rem;
    }

    .workflow-steps::before {
        display: none;
    }
}

.workflow-steps::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--primary);
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    border: 6px solid white;
    box-shadow: var(--shadow-md);
}

.step h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--secondary);
}

/* FAQ Section */
.faq {
    padding: 120px 0;
    background: var(--bg-main);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: white;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--secondary);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    padding: 0 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.faq-item.active .bx-chevron-down {
    transform: rotate(180deg);
    color: var(--primary);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--whatsapp);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: var(--whatsapp-dark);
    transform: scale(1.1) translateY(-5px);
    color: white;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}