/* ===================================
   CSS VARIABLES & RESET
   =================================== */
:root {
    --primary: #16a34a;
    --primary-light: #22c55e;
    --primary-dark: #15803d;
    --primary-gradient: linear-gradient(135deg, #16a34a 0%, #22c55e 50%, #16a34a 100%);
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --text-dark: #111827;
    --text-gray: #4b5563;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   CONTAINER & UTILITIES
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
}

.btn-submit {
    width: 100%;
    background: var(--primary-gradient);
    color: white;
    font-size: 17px;
    padding: 16px 32px;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 48px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #f0fdf4 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(22, 163, 74, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 560px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-illustration {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-shape {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    opacity: 0.15;
    position: absolute;
}

.hero-card {
    background: white;
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-card-icon {
    font-size: 32px;
}

.hero-card-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: white;
    font-size: 24px;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===================================
   LEAD FORM SECTION
   =================================== */
.lead-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #f0fdf4 100%);
}

.lead-form-wrapper {
    max-width: 520px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: var(--shadow-xl);
}

.lead-form-header {
    text-align: center;
    margin-bottom: 32px;
}

.lead-form-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.lead-form-subtitle {
    font-size: 16px;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-dark);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 44px;
    cursor: pointer;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.testimonial-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

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

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    color: white;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
}

.author-role {
    font-size: 13px;
    color: var(--text-light);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--text-dark);
    padding: 60px 0 24px;
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 24px;
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-link {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .hero-illustration {
        margin-top: 40px;
    }
    
    .hero-shape {
        width: 200px;
        height: 200px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 36px;
    }
    
    .features,
    .how-it-works,
    .lead-section,
    .testimonials {
        padding: 70px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-card {
        padding: 24px 20px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .step-card {
        padding: 32px 24px;
    }
    
    .lead-form-wrapper {
        padding: 32px 24px;
    }
    
    .lead-form-title {
        font-size: 24px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-desc {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 40px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .hero-card {
        padding: 20px 24px;
    }
    
    .features,
    .how-it-works,
    .lead-section,
    .testimonials {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .lead-form-wrapper {
        padding: 24px 20px;
        border-radius: var(--radius-lg);
    }
    
    .form-input {
        padding: 12px 14px;
    }
    
    .btn-submit {
        padding: 14px 24px;
    }
}