:root {
    --primary: #22c55e;
    --primary-hover: #16a34a;
    --primary-light: #f0fdf4;
    --text-dark: #111827;
    --text-muted: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.5;
    overflow-x: hidden;
}

header {
    height: 80px;
    padding: 0 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    margin-left: 2rem;
    transition: color 0.3s;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 120px 0 80px;
    background: white;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin-bottom: 4rem;
    padding: 0 5%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.hero-visual {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wavy-bg {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 380px;
    background: var(--primary);
    clip-path: polygon(0 15%, 100% 0, 100% 85%, 0% 100%);
    z-index: 1;
    opacity: 0.9;
}

.hero-image {
    width: 90%;
    max-width: 1000px;
    z-index: 2;
    position: relative;
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    font-size: 1.05rem;
}

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

.btn-secondary {
    background-color: #f3f4f6;
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: #e5e7eb;
}

.feature-tabs {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.tabs-header {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    color: #4b5563;
    font-size: 0.95rem;
}

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

.tab-content {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.tabs-footer {
    margin-top: 3rem;
    display: flex;
    gap: 0.75rem;
    z-index: 2;
    background: #f3f4f6;
    padding: 0.5rem;
    border-radius: 12px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-pane img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

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

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

footer {
    padding: 4rem 10%;
    border-top: 1px solid var(--border);
    background: var(--bg-light);
    text-align: center;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }
}