/* ================================
   БАЗОВЫЕ СТИЛИ IVIN TRADE LTD
   ================================ */

/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #6b7280;
}

a {
    color: #1e40af;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: #1e40af;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    color: white;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: #1e40af;
    border: 2px solid #1e40af;
}

.btn-outline:hover {
    background-color: #1e40af;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-modern.btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-modern.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

.btn-modern.btn-secondary {
    background: white;
    color: #1f2937;
    border: 2px solid #e5e7eb;
}

.btn-modern.btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.btn-modern.btn-text {
    background: transparent;
    color: #6b7280;
    border: none;
    padding: 12px 0;
}

.btn-modern.btn-text:hover {
    color: #1f2937;
}

.btn-arrow {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.btn-modern:hover .btn-arrow {
    transform: translateX(2px);
}