:root {
    --primary: #10b981;
    --primary-dark: #047857;
    --secondary: #3b82f6;
    --dark: #111827;
    --dark-light: #1f2937;
    --light: #f9fafb;
    --text-main: #374151;
    --text-muted: #6b7280;
    --danger: #ef4444;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --font-sans: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-sans); color: var(--text-main); background-color: var(--light); line-height: 1.6; }
h1, h2, h3 { color: var(--dark); font-weight: 700; line-height: 1.2; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 800px; }
.text-center { text-align: center; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px; font-weight: 600; font-size: 1rem;
    border-radius: var(--radius); border: none; cursor: pointer;
    transition: all 0.3s ease; text-transform: uppercase; font-family: var(--font-sans);
}
.btn-primary { background-color: var(--primary); color: white; box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4); }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-2px); }
.btn-secondary { background-color: var(--dark); color: white; }
.btn-secondary:hover { background-color: var(--dark-light); transform: translateY(-2px); }
.btn-large { padding: 18px 36px; font-size: 1.1rem; width: 100%; }
.btn-block { width: 100%; }

.hero { background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%); padding: 80px 0; }
.hero-content { max-width: 900px; margin: 0 auto; }
.hero-text { width: 100%; }
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; }
.subtitle { font-size: 1.25rem; margin-bottom: 30px; font-weight: 500; }
.hero-image-inline { width: 100%; height: 350px; background: url('https://images.unsplash.com/photo-1564013799919-ab600027ffc6?auto=format&fit=crop&q=80&w=1000') center/cover; border-radius: 20px; box-shadow: var(--shadow-lg); position: relative; margin-bottom: 40px; }
@media (max-width: 768px) { .hero-image-inline { height: 250px; } }
.benefits-list { list-style: none; margin-bottom: 40px; }
.benefits-list li { margin-bottom: 16px; font-size: 1.05rem; font-weight: 500; }

.attention-section { padding: 60px 0; background: white; }
.attention-title { color: var(--danger); margin-bottom: 24px; font-size: 2rem; }
.attention-box { background: #fef2f2; border-left: 4px solid var(--danger); padding: 24px; border-radius: 0 var(--radius) var(--radius) 0; text-align: left; }
.attention-box p { margin-bottom: 12px; color: #991b1b; }

.features-section { padding: 80px 0; background-color: var(--light); }
.features-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-card { background: white; padding: 40px 30px; border-radius: 20px; box-shadow: var(--shadow); transition: transform 0.3s; display: flex; flex-direction: column; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 3rem; margin-bottom: 20px; }
.feature-card h2 { margin-bottom: 20px; font-size: 1.5rem; }
.feature-list { list-style: none; flex-grow: 1; }
.feature-list li { margin-bottom: 16px; padding-left: 20px; position: relative; }
.feature-list li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }
.card-action { margin-top: 30px; text-align: center; }

/* Carousel Section */
.carousel-section { padding: 80px 0; background: white; overflow: hidden; }
.carousel-header { margin-bottom: 40px; }
.carousel-header h2 { font-size: 2rem; margin-bottom: 12px; }
.carousel-container { position: relative; max-width: 900px; margin: 0 auto; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.carousel-track { display: flex; transition: transform 0.5s ease; }
.carousel-slide { min-width: 100%; }
.carousel-slide img { width: 100%; height: 500px; object-fit: cover; display: block; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.8); border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; box-shadow: var(--shadow); z-index: 10; font-size: 1.2rem; }
.prev-btn { left: 20px; } .next-btn { right: 20px; }
.carousel-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; }
.dot.active { background: white; transform: scale(1.2); }

.footer { background: var(--dark); color: white; padding: 60px 0; }
.footer h3 { color: white; margin-bottom: 12px; }

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(17,24,39,0.7); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s; padding: 20px; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { background: white; width: 100%; max-width: 500px; border-radius: 20px; padding: 40px; position: relative; transform: translateY(20px); transition: transform 0.3s; }
.modal-overlay.active .modal-content { transform: translateY(0); }
.close-modal { position: absolute; top: 20px; right: 20px; background: #f3f4f6; border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; }
.modal-header { text-align: center; margin-bottom: 30px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-group input { width: 100%; padding: 14px; border: 1px solid #d1d5db; border-radius: 8px; font-family: inherit; }
.form-success { text-align: center; padding: 20px 0; }