/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green-dark: #1e3d2f;
    --green-mid: #657C19;
    --green-accent: #7B9329;
    --green-light: #8fa84e;
    --green-pale: #e8f0e0;
    --green-bg: #f4f7f0;
    --yellow-accent: #f0b840;
    --text-dark: #1a1a1a;
    --text-gray: #555;
    --text-light: #777;
    --white: #ffffff;
    --card-shadow: 0 2px 16px rgba(0,0,0,0.08);
    --radius: 16px;
    --radius-sm: 12px;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

.container {
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== SECTION 1: HERO ===== */
.hero {
    position: relative;
    background: #f7f7f7;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 60px;
    justify-content: space-between;
    padding: 40px 0;
    width: 100%;
}

.hero-left {
    max-width: 560px;
    flex: 1 1 30%;
    min-width: 30%;
    display: flex;
    flex-flow: column;
    justify-content: flex-start;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    width: 185px;
    gap: 8px;
    margin-bottom: 48px;
}

.logo-icon {
    width: 48px;
    height: 48px;
}

.logo-text {
    width: 140px;
    height: 32px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--green-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.logo-name {
    font-size: 32px;
    font-weight: 800;
    color: var(--green-dark);
    letter-spacing: 2px;
    line-height: 1.1;
}

.hero h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--green-dark);
    margin-bottom: 34px;
}

.hero h1 .highlight {
    color: var(--green-accent);
}

.hero-description {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 48px;
}
.top-right-img {
    flex: 1 1 70%;
    max-width: calc(70% - 120px);
}
.btn-primary {
    display: inline-block;
    font-size: 17px;
    text-decoration: none;
    transition: all 0.3s ease;
    background-color: var(--green-accent);
    color: var(--white);
    border-radius: 10px;
    padding: 15px 20px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    text-align: center;
}

.btn-primary:hover {
    background: var(--green-mid);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(107,143,60,0.3);
}

.hero-right {
    position: relative;
}

.hero-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--green-pale) 0%, #d4e4c8 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-mid);
    font-size: 14px;
    margin-bottom: 24px;
    overflow: hidden;
}

.hero-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0,0,0,0.04);
}

.stat-card-label {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.stat-card-title {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-card-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--green-accent);
}

.stat-card-sub {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 2px;
}

.stat-card-change {
    font-size: 14px;
    color: var(--green-accent);
    font-weight: 700;
    margin-top: 4px;
}

.stat-chart {
    margin-top: 8px;
    height: 40px;
}

.stat-chart svg {
    width: 100%;
    height: 100%;
}

.heart-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 48px;
    height: 48px;
    background: var(--green-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* ===== SECTION 2: PROBLEM ===== */
.problem {
    padding: 100px 0;
    background: var(--white);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--green-bg);
    border-radius: 50px;
    font-size: 14px;
    color: var(--green-mid);
    font-weight: 500;
    margin-bottom: 24px;
}

.section-label svg {
    width: 18px;
    height: 18px;
}

.problem h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1.2;
    margin-bottom: 8px;
}

.problem .subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 48px;
    max-width: 600px;
}

.problem .subtitle strong {
    color: var(--green-accent);
    font-weight: 700;
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
}

.problem-card-icon {
    width: 56px;
    height: 56px;
    background: var(--green-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--white);
}

.problem-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.problem-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.problem-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: var(--green-bg);
    border-radius: var(--radius);
}

.problem-bottom-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: var(--green-dark);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-bottom-icon svg {
    width: 26px;
    height: 26px;
}

.problem-bottom p {
    font-size: 17px;
    color: var(--text-dark);
    line-height: 1.5;
}

.problem-bottom p strong {
    color: var(--green-accent);
}

.problem-bottom-arrow {
    margin-left: auto;
    color: var(--green-accent);
}

.problem-bottom-arrow svg {
    width: 32px;
    height: 32px;
}

/* ===== SECTION 3: MODULES ===== */
.modules {
    padding: 100px 0;
    background: var(--green-bg);
}

.modules-header {
    text-align: center;
    margin-bottom: 56px;
}

.modules-header h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1.2;
}

.modules-header h2 span {
    display: block;
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 8px;
}

.modules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 32px;
}

.module-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: var(--card-shadow);
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.module-icon {
    width: 72px;
    height: 72px;
    min-width: 72px;
    background: var(--green-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-icon svg {
    width: 36px;
    height: 36px;
}

.module-content h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--green-accent);
    margin-bottom: 16px;
}

.module-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.module-feature-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--green-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.module-feature-icon svg {
    width: 14px;
    height: 14px;
}

.module-feature p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.5;
}

.modules-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
}

.modules-bottom-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: var(--green-dark);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modules-bottom-icon svg {
    width: 26px;
    height: 26px;
}

.modules-bottom p {
    font-size: 17px;
    color: var(--text-dark);
}

.modules-bottom p strong {
    color: var(--green-accent);
}

.modules-bottom-arrow {
    margin-left: auto;
    color: var(--green-accent);
}

.modules-bottom-arrow svg {
    width: 32px;
    height: 32px;
}

/* ===== SECTION 4: HOW IT WORKS ===== */
.how-it-works {
    padding: 100px 0;
    background: var(--white);
}

.how-it-works-header {
    text-align: center;
    margin-bottom: 64px;
}

.how-it-works-header h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--green-dark);
    margin-bottom: 12px;
}

.how-it-works-header p {
    font-size: 18px;
    color: var(--text-gray);
}

.how-it-works-header p strong {
    color: var(--green-accent);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--green-accent), var(--green-light));
    z-index: 0;
}

.step-card {
    position: relative;
    z-index: 1;
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0,0,0,0.06);
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--green-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
}

.step-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.step-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== SECTION 5: METRICS ===== */
.metrics {
    padding: 100px 0;
    background: var(--green-bg);
}

.metrics-header {
    text-align: center;
    margin-bottom: 56px;
}

.metrics-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--green-dark);
    line-height: 1.3;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.metric-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.metric-number-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.metric-number {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--green-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
}

.metric-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--green-accent), var(--green-pale));
    position: relative;
}

.metric-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--green-accent);
    border-top: 2px solid var(--green-accent);
    transform: rotate(45deg);
}

.metric-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--green-dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.metric-card p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .problem-cards {
        grid-template-columns: 1fr;
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 28px;
    }

    .problem h2,
    .modules-header h2,
    .how-it-works-header h2 {
        font-size: 28px;
    }

    .metrics-header h2 {
        font-size: 24px;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .problem-bottom,
    .modules-bottom {
        flex-direction: column;
        text-align: center;
    }

    .problem-bottom-arrow,
    .modules-bottom-arrow {
        margin-left: 0;
    }
}