:root {
    --primary: #00D084; /* Zeno Green */
    --primary-glow: rgba(0, 208, 132, 0.3);
    --secondary: #1E293B;
    --bg-dark: #0B1120;
    --bg-card: #141E33;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary);
    position: relative;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: #000;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    background-color: #00b370;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 208, 132, 0.4);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-main);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
    padding: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

.navbar .btn-outline {
    color: var(--secondary);
    border-color: rgba(30, 41, 59, 0.3);
}

.navbar .btn-outline:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: var(--secondary);
}

/* Hero Section */
.hero {
    padding: 12rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(60px);
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 208, 132, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 208, 132, 0.2);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.trust-indicators p {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.company-logos {
    display: flex;
    gap: 2rem;
    font-size: 1.5rem;
    color: var(--text-muted);
}

/* Hero Visual & WhatsApp Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    height: 650px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-color);
    position: relative;
    z-index: 2;
    transform: rotate(-2deg);
    transition: var(--transition);
}

.phone-mockup:hover {
    transform: rotate(0deg) translateY(-10px);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: #efeae2; /* WhatsApp web background color */
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 20.5V18H0v-2h20v-2h20v2H20v2.5zM0 20h20v2H0v-2zm20-2h20v2H20v-2zm0-2h20v2H20v-2z' fill='%23d1d7db' fill-opacity='0.4' fill-rule='evenodd'/%3E%3C/svg%3E");
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.wa-header {
    background: #008069;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
}

.wa-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    padding: 4px;
    object-fit: cover;
}

.wa-info strong {
    display: block;
    font-size: 1rem;
}

.wa-info span {
    font-size: 0.75rem;
    opacity: 0.8;
}

.wa-chat {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
}

.message {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    max-width: 85%;
    color: #111b21;
    line-height: 1.4;
    position: relative;
}

.received {
    background: #fff;
    align-self: flex-start;
    border-top-left-radius: 0;
}

.sent {
    background: #d9fdd3;
    align-self: flex-end;
    border-top-right-radius: 0;
}

.floating-card {
    position: absolute;
    bottom: 50px;
    right: -40px;
    background: rgba(20, 30, 51, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 3;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    animation: float 6s ease-in-out infinite;
}

.stats-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 208, 132, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stats-info h4 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.stats-info span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Sections Common */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 208, 132, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 208, 132, 0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How it works */
.how-it-works {
    background: linear-gradient(to bottom, var(--bg-dark), var(--bg-card));
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px var(--primary-glow);
}

.step-connector {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    margin-top: 30px;
    position: relative;
    z-index: 1;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 0 1rem;
}

/* Use Cases Section */
.use-cases {
    background: var(--bg-dark);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.use-case-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 208, 132, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.use-case-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 208, 132, 0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
}

.use-case-card h3 {
    font-size: 1.125rem;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0 8rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 208, 132, 0.05) 100%);
    border: 1px solid rgba(0, 208, 132, 0.2);
    border-radius: 24px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.cta-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-form input {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
}

.cta-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
    background: #050810;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

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

.copyright {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    overflow: hidden;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 5% auto;
    padding: 2rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.3s ease-out;
}

.close-modal {
    color: var(--text-muted);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    padding-right: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.modal-body {
    overflow-y: auto;
    padding-right: 1rem;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.modal-body p, .modal-body ul, .modal-body ol {
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-body ul, .modal-body ol {
    padding-left: 2rem;
}

.modal-body h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-main);
}

.modal-body h4 {
    font-size: 1.1rem;
    margin: 1.2rem 0 0.8rem;
    color: var(--text-main);
}

.modal-body h5, .modal-body h6 {
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
    color: var(--text-main);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .company-logos {
        justify-content: center;
    }
    
    .floating-card {
        right: 0;
        bottom: 20px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .btn-outline {
        display: none;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .steps {
        flex-direction: column;
        gap: 3rem;
    }
    
    .step-connector {
        display: none;
    }
    
    .cta-box {
        padding: 2rem;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand .logo, .footer-brand p {
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Contact form security and feedback */
.form-honeypot {
    position: absolute !important;
    left: -9999px !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
    pointer-events: none !important;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 12px 0 16px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    line-height: 1.45;
}

.form-consent input {
    width: auto;
    min-width: 16px;
    margin-top: 3px;
}

.form-status {
    min-height: 22px;
    margin: 8px 0 14px;
    font-size: 14px;
    font-weight: 600;
}

.form-status.success { color: #b7f7cc; }
.form-status.error { color: #ffd2d2; }
