/* ===== CSS Variables ===== */
:root {
    --primary: #2d5a27;
    --primary-dark: #1e3d1a;
    --primary-light: #4a7c43;
    --secondary: #f5f5f0;
    --accent: #e8b923;
    --text: #1a1a1a;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --border: #e0e0e0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.125rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* Auth Cards on Homepage */
.auth-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.auth-card h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.auth-card p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.auth-card-alt {
    background: var(--primary);
    color: var(--white);
}

.auth-card-alt p {
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 640px) {
    .auth-cards {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 32px 24px;
    }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar .logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

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

.nav-links .btn {
    padding: 10px 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--white) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 24px;
}

.hero-content .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: var(--white);
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    border-left: 4px solid var(--primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-top: 12px;
}

/* ===== Calculator Section ===== */
.calculator-section {
    padding: 100px 0;
    background: var(--white);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
}

.input-group {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

.input-group input {
    flex: 1;
    border: none;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    background: transparent;
}

.input-prefix, .input-suffix {
    padding: 0 12px;
    color: var(--text-muted);
    font-weight: 500;
    background: var(--secondary);
    height: 100%;
    display: flex;
    align-items: center;
}

.input-prefix {
    border-right: 1px solid var(--border);
}

.input-suffix {
    border-left: 1px solid var(--border);
}

.calculator-results {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
}

.calculator-results h3 {
    margin-bottom: 24px;
    color: var(--text);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.highlight-result {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    border: none;
}

.highlight-result .result-value {
    font-size: 2rem;
    font-weight: 800;
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.highlight-result .result-label {
    color: rgba(255, 255, 255, 0.9);
}

.result-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
}

.profit-breakdown {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid var(--border);
}

.profit-breakdown h4 {
    margin-bottom: 16px;
    color: var(--text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breakdown-bar {
    display: flex;
    height: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.bar-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 60px;
    transition: var(--transition);
}

.bar-segment.capital-gain {
    background: var(--primary);
}

.bar-segment.income {
    background: var(--primary-light);
}

/* ===== Features Section ===== */
.features-section {
    padding: 100px 0;
    background: var(--secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== About Section ===== */
.about-section {
    padding: 100px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.about-list {
    margin-top: 24px;
}

.about-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--text);
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 40px;
}

.image-placeholder svg {
    opacity: 0.5;
    margin-bottom: 20px;
}

.image-placeholder span {
    font-size: 1.25rem;
    font-weight: 600;
    opacity: 0.9;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat-card {
        flex: 1;
        min-width: 150px;
    }

    .calculator-wrapper {
        grid-template-columns: 1fr;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stat-card {
        min-width: 100%;
    }

    .calculator-wrapper {
        padding: 24px;
    }
}

/* ===== Hero Tag ===== */
.hero-tag {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

/* ===== Acre Card (Main CTA) ===== */
.acre-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transition: var(--transition);
    border: 3px solid transparent;
}

.acre-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-color: var(--primary);
}

.acre-card-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 40px;
}

.acre-card-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 24px;
}

.acre-card h2 {
    font-size: 1.75rem;
    margin-bottom: 12px;
    color: var(--text);
}

.acre-card p {
    color: var(--text-light);
    margin-bottom: 24px;
    max-width: 280px;
}

.acre-card-btn {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.acre-card:hover .acre-card-btn {
    background: var(--primary-dark);
}

/* ===== How It Works Section ===== */
.how-it-works-section {
    padding: 100px 0;
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    text-align: center;
    padding: 32px 24px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== Products Section ===== */
.products-section {
    padding: 100px 0;
    background: var(--secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.product-card h3 {
    font-size: 1.125rem;
    margin-bottom: 6px;
}

.product-card p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.products-cta {
    text-align: center;
    margin-top: 48px;
}

/* ===== About Stats ===== */
.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 2px solid var(--border);
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.about-stat .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.about-stat .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== Team Section ===== */
.team-section {
    padding: 100px 0;
    background: var(--secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.team-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.team-card h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.team-role {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.team-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.team-contact a {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.team-contact a:hover {
    text-decoration: underline;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-content {
    text-align: center;
}

.contact-info {
    display: inline-block;
    background: var(--white);
    padding: 32px 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-info a {
    color: var(--primary);
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* ===== Responsive Updates ===== */
@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-stats {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }

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

    .about-stats {
        justify-content: center;
        text-align: center;
    }

    .acre-card-link {
        padding: 32px 24px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    .about-stats {
        flex-direction: column;
        align-items: center;
    }
}