/* css/components.css */

/* Header */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow 0.3s;
}
.header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--on-primary);
    text-decoration: none;
    flex-shrink: 0;
}
.desktop-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--body);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--accent);
}
.nav-link svg {
    color: var(--accent);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.burger {
    display: none;
    background: none;
    border: none;
    color: var(--on-primary);
    cursor: pointer;
    padding: 8px;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}
.mobile-menu-drawer {
    position: absolute;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100%;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu-overlay.active .mobile-menu-drawer {
    right: 0;
}
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--hairline);
}
.mobile-menu-close {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 8px;
}
.mobile-menu-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}
.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--on-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid var(--hairline);
}
.mobile-nav-link svg {
    color: var(--accent);
    flex-shrink: 0;
}
.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid var(--hairline);
    background: var(--canvas);
}
.mobile-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.social-icon {
    color: var(--accent);
    transition: opacity 0.2s;
}
.social-icon:hover {
    opacity: 0.8;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 20px;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-window {
    background: var(--canvas); /* pure white */
    border-radius: var(--radius-xl); /* softer, larger radius */
    width: 100%;
    max-width: 440px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(0,0,0,0.2);
}
.modal-overlay.active .modal-window {
    transform: translateY(0);
}
.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--surface);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}
.modal-close:hover {
    background: var(--hairline);
    color: var(--on-primary);
}
.modal-content {
    padding: 40px;
}
.modal-title {
    font-size: 24px;
    margin: 0 0 8px 0;
}
.modal-desc {
    font-size: 14px;
    color: var(--muted);
    margin: 0 0 24px 0;
}
.modal-tabs {
    display: flex;
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 6px;
    margin-bottom: 24px;
}
.modal-tabs .tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.2s;
}
.modal-tabs .tab-btn.active {
    background: var(--canvas);
    color: var(--on-primary);
    box-shadow: var(--shadow-sm);
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}
.input-group {
    margin-bottom: 16px;
}
.messenger-select {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
.messenger-radio input {
    display: none;
}
.messenger-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: 1px solid var(--hairline);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    transition: all 0.2s;
}
.messenger-radio input:checked + .messenger-box {
    border-color: var(--accent);
    background: rgba(61, 59, 255, 0.05);
    color: var(--accent);
}
.error-msg {
    display: none;
    color: #e53e3e;
    font-size: 12px;
    margin-top: 4px;
}
.input-group.error .input {
    border-color: #e53e3e;
}
.input-group.error .error-msg {
    display: block;
}
.modal-policy {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    margin-top: 16px;
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--surface);
    padding: 80px 0 40px;
    border-top: 1px solid var(--hairline);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}
.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--on-primary) !important;
}
.footer-desc {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}
.footer-socials {
    display: flex;
    gap: 12px;
}
.footer-title {
    margin: 0 0 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--on-primary) !important;
}
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-link {
    color: var(--body);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
}
.footer-link:hover {
    color: var(--accent);
}
.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-phone {
    color: var(--on-primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}
.footer-email {
    color: var(--accent);
    text-decoration: none;
    font-size: 15px;
    margin-top: 8px;
}
.footer-bottom {
    margin-top: 60px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-copy {
    color: var(--muted);
    font-size: 14px;
}
.footer-legal {
    display: flex;
    gap: 24px;
}
.footer-legal-link {
    color: var(--muted);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-legal-link:hover {
    color: var(--on-primary);
}

/* Responsive */
@media (max-width: 992px) {
    .desktop-nav {
        display: none;
    }
    .burger {
        display: block;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-col:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .header-actions .btn-call {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-col:first-child {
        grid-column: span 1;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .footer-legal {
        flex-direction: column;
        gap: 8px;
    }
    .modal-content {
        padding: 24px 16px;
    }
}

/* Floating Callback Button */
.floating-callback {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(61, 59, 255, 0.4);
    cursor: pointer;
    z-index: 90;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.2s, box-shadow 0.2s;
}
.floating-callback:hover {
    transform: scale(1.05) translateY(-4px);
    background: var(--accent);
    box-shadow: 0 6px 20px rgba(61, 59, 255, 0.5);
}
.floating-callback:active {
    transform: scale(0.95);
}
.floating-callback svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.9); }
    50% { transform: scale(1.1); }
    100% { transform: scale(0.9); }
}

@media (max-width: 600px) {
    .floating-callback {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
    }
    .floating-callback svg {
        width: 24px;
        height: 24px;
    }
}
.nav-dropdown {
    position: relative;
    display: inline-block;
}
.nav-dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    min-width: 260px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
    z-index: 100;
    padding: 8px 0;
    top: 100%;
    left: 0;
}
.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}
.nav-dropdown-content a {
    color: var(--on-primary);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    transition: background-color 0.2s;
}
.nav-dropdown-content a:hover {
    background-color: var(--surface);
    color: var(--accent);
}

.mobile-nav-title {
    padding: 12px 16px;
    font-weight: bold;
    color: var(--on-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}
.mobile-nav-submenu {
    padding-left: 44px;
    margin-bottom: 8px;
    display: flex;
    flex-direction: column;
}
.mobile-nav-submenu a {
    color: var(--body);
    text-decoration: none;
    font-size: 14px;
    padding: 10px 0;
    display: block;
}
.mobile-nav-title {
    cursor: pointer;
    list-style: none;
}
.mobile-nav-title::-webkit-details-marker {
    display: none;
}
.mobile-nav-details[open] .chevron {
    transform: rotate(180deg);
}
.chevron {
    transition: transform 0.3s;
}