:root {
    --primary: #3b7a57;
    --primary-hover: #2f6244;
    --emerald-gradient: linear-gradient(135deg, #3b7a57 0%, #2f6244 100%);
    --bg-light: #eef1f0;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border-color: #dbe2df;
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.5;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 5%;
    background: rgba(238, 241, 240, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-main);
    text-decoration: none;
}

.nav-logo-icon {
    background: #e2ede7;
    color: var(--primary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.9rem;
}

.nav-links {
    display: none;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-login {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-login:hover {
    color: var(--text-main);
}

.btn-primary {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(59, 122, 87, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.hero {
    padding: 4rem 5%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
}

@media (min-width: 992px) {
    .hero {
        grid-template-columns: 1.1fr 0.9fr;
        padding: 5rem 5%;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #e2ede7;
    color: var(--primary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.hero-content h1 {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-main);
    margin-bottom: 1.25rem;
    line-height: 1.2;
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    max-width: 520px;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-mockup {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 15px 30px -10px rgba(31, 41, 55, 0.04);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.mockup-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.mockup-badge-tag {
    background: #e2ede7;
    color: var(--primary);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-weight: 700;
}

.mockup-live {
    background: #e2ede7;
    color: var(--primary);
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 700;
}

.mockup-balance-box {
    background: linear-gradient(135deg, #3b7a57 0%, #2f6244 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 14px;
    margin-bottom: 1rem;
}

.mockup-balance-box span {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.mockup-balance-box h2 {
    font-size: 1.75rem;
    font-weight: 800;
}

.mockup-mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.mini-card {
    background: #f4f6f5;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 10px;
}

.mini-card small {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 700;
    display: block;
    margin-bottom: 0.2rem;
}

.mini-card strong {
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 700;
}

.mockup-progress-box {
    background: #f4f6f5;
    border: 1px solid var(--border-color);
    padding: 0.85rem 1rem;
    border-radius: 10px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-main);
}

.progress-bar-bg {
    width: 100%;
    background: #e2ede7;
    height: 6px;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 75%;
    background: var(--primary);
    height: 100%;
    border-radius: 10px;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 5%;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

.problem-grid,
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: left;
}

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

    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.problem-card,
.step-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    transition: all 0.25s ease;
}

.problem-card:hover,
.step-box:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.card-icon {
    width: 44px;
    height: 44px;
    background: #e2ede7;
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.cta-banner {
    background: var(--emerald-gradient);
    color: white;
    border-radius: 24px;
    padding: 3.5rem 2rem;
    margin: 3rem 5% 5rem 5%;
    text-align: center;
}

.cta-banner h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-banner p {
    font-size: 0.95rem;
    opacity: 0.9;
    max-width: 550px;
    margin: 0 auto;
}

.footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 5%;
    background: var(--card-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}