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

/* Variables */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #111827;
    --color-text-secondary: #4b5563;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-primary: #111827;
    --color-primary-hover: #374151;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1100px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
}

h1 { font-size: clamp(32px, 5vw, 48px); }
h2 { font-size: clamp(26px, 4vw, 36px); }
h3 { font-size: 18px; }

p { color: var(--color-text-secondary); }

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: #ffffff;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s ease;
    text-decoration: none;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-full { width: 100%; }

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-header p {
    margin-top: 12px;
    font-size: 17px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-text);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 36px;
}

.nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: var(--color-bg);
}

.hero-content-centered {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero-content-centered h1 {
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-or {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

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

.step-card {
    padding: 32px 28px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    background: var(--color-bg-alt);
    border-radius: 50%;
    margin-bottom: 20px;
}

.step-card h3 {
    margin-bottom: 10px;
}

.step-card p {
    font-size: 15px;
    line-height: 1.6;
}

/* Benefits */
.benefits-section {
    padding: 100px 0;
}

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

.benefit-card {
    text-align: center;
    padding: 32px 20px;
}

.benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-bg-alt);
    border-radius: 50%;
    margin-bottom: 16px;
    color: var(--color-text);
}

.benefit-card h3 {
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 14px;
}

/* Situations */
.situations-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.situations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.situation-tag {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
}

/* About */
.about-section {
    padding: 100px 0;
}

.about-content-centered {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.about-content-centered h2 {
    margin-bottom: 20px;
}

.about-content-centered p {
    font-size: 17px;
    margin-bottom: 16px;
}

.about-content-centered p:last-child {
    margin-bottom: 0;
}

/* Contact */
.contact-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 12px;
}

.contact-info > p {
    font-size: 16px;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-item strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item a,
.contact-item span {
    font-size: 16px;
    color: var(--color-text);
    text-decoration: none;
}

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

/* Contact Form */
.contact-form {
    background: var(--color-bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

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

.form-group:last-of-type {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-text-muted);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Footer */
.footer {
    padding: 60px 0 32px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 14px;
}

.footer-links-group h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer-links-group a,
.footer-links-group span {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.2s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 13px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: var(--color-text);
}

/* Legal Pages */
.legal-page {
    padding: 140px 0 80px;
}

.legal-content {
    max-width: 720px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: 8px;
}

.legal-updated {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 48px;
}

.legal-content section {
    margin-bottom: 36px;
}

.legal-content section h2 {
    font-size: 20px;
    margin-bottom: 12px;
}

.legal-content section p {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.legal-content section ul {
    margin: 12px 0;
    padding-left: 24px;
}

.legal-content section li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 900px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 640px) {
    .nav { display: none; }
    .header-phone { display: none; }

    .hero {
        padding: 130px 0 80px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-or { display: none; }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}