/* css/components.css - Header, Footer, Mobile Nav & Modal (Reference Violet & Warm Ivory System) */

/* --- Header (Reference 1-to-1 Clone from ref_1_hero_1440.webp) --- */
.header {
    background: #FFFFFF;
    border-bottom: 1px solid rgba(0, 0, 0, 0.14);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow 0.25s ease;
}

.header.is-sticky {
    box-shadow: 0 4px 20px rgba(11, 15, 23, 0.06);
}

.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 16px;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    flex-shrink: 0;
    gap: 10px;
    white-space: nowrap;
}

.logo svg {
    color: var(--accent-2);
    flex-shrink: 0;
}

.desktop-nav {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-actions .btn {
    display: none;
    white-space: nowrap;
    min-height: 40px;
    padding: 8px 20px;
    font-size: 14.5px;
    font-weight: 500;
    background: #FFFFFF;
    color: #0B0F17;
    border: 1px solid #0B0F17;
    border-radius: 10px;
    box-shadow: none;
}

.header-actions .btn:hover {
    background: #0066FF;
    color: #FFFFFF;
    border-color: #0066FF;
}

.burger-menu {
    display: inline-flex;
    background: #FFFFFF;
    border: 1px solid rgba(11, 15, 23, 0.24);
    border-radius: 10px;
    color: var(--primary);
    cursor: pointer;
    padding: 6px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.burger-menu svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

/* --- Desktop Header (>=1024px) --- */
@media (min-width: 1024px) {
    .burger-menu {
        display: none;
    }

    .desktop-nav {
        display: flex;
        gap: 18px;
        align-items: center;
    }

    .nav-dropdown > .nav-link {
        border: 1px solid rgba(11, 15, 23, 0.35);
        border-radius: 8px;
        padding: 7px 13px;
        background: #FFFFFF;
    }

    .nav-dropdown > .nav-link:hover {
        border-color: #0066FF;
        color: #0066FF;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        color: #0B0F17;
        text-decoration: none;
        font-family: var(--font-heading);
        font-weight: 500;
        font-size: 14px;
        transition: color 0.2s ease, border-color 0.2s ease;
        white-space: nowrap;
    }

    .nav-link:hover {
        color: var(--accent-2);
    }

    .nav-link svg {
        width: 14px;
        height: 14px;
        color: var(--text-light);
        transition: color 0.2s ease;
    }

    .nav-link:hover svg {
        color: var(--accent-2);
    }

    .header-actions .btn {
        display: inline-flex;
        width: auto;
    }
}

@media (min-width: 1280px) {
    .desktop-nav {
        gap: 24px;
    }

    .nav-link {
        font-size: 15px;
    }
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(27, 18, 51, 0.65);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    backdrop-filter: blur(6px);
}

.modal-overlay[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background: #FFFFFF;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-md);
    padding: 32px;
    position: relative;
    transform: scale(0.96) translateY(8px);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 24px 48px rgba(27, 18, 51, 0.24);
    border: 1px solid var(--border-color);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay[aria-hidden="false"] .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--surface-card);
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary);
    transition: background 0.2s, color 0.2s;
}

.modal-close:hover {
    background: var(--neutral-2);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
    padding-right: 32px;
}

.modal-desc {
    color: var(--text-light);
    font-size: 14.5px;
    line-height: 1.5;
    margin-bottom: 22px;
}

.modal-tabs {
    display: flex;
    background: var(--surface-card);
    padding: 4px;
    border-radius: var(--radius-xs);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    gap: 4px;
}

.modal-tab {
    flex: 1;
    background: var(--surface-card);
    border: none;
    padding: 10px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-tab.active {
    background: var(--accent-2);
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(88, 53, 176, 0.25);
}

.input-field {
    width: 100%;
    height: 52px;
    border: 1px solid var(--border-color);
    background: var(--canvas);
    color: var(--body-text);
    border-radius: var(--radius-xs);
    padding: 0 16px;
    font-size: 15.5px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 14px;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-2);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(88, 53, 176, 0.12);
}

.messenger-select {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 14px;
}

.messenger-option input {
    display: none;
}

.messenger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    background: var(--surface-card);
    color: var(--primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.messenger-btn svg {
    width: 20px;
    height: 20px;
}

.messenger-option input[value="telegram"]:checked + .messenger-btn {
    border-color: var(--accent-2);
    color: var(--accent-2);
    background: rgba(88, 53, 176, 0.08);
}

.messenger-option input[value="whatsapp"]:checked + .messenger-btn {
    border-color: #168A46;
    color: #168A46;
    background: rgba(22, 138, 70, 0.08);
}

.modal-agreement {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 14px;
    line-height: 1.5;
}

.modal-agreement a {
    color: var(--accent-2);
    text-decoration: underline;
}

@media (max-width: 480px) {
    .modal-dialog {
        padding: 24px 18px;
        border-radius: 20px 20px 0 0;
        margin-top: auto;
        max-height: 94vh;
    }

    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }
}

/* --- Footer --- */
.footer {
    background: var(--primary);
    color: #FFFFFF;
    padding: 64px 0 32px;
    margin-top: 64px;
}

.footer-grid {
    display: grid;
    gap: 36px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    color: #FFFFFF !important;
    margin-bottom: 14px;
}

.footer-logo svg {
    color: var(--accent-3) !important;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-contact {
    margin-top: 16px;
}

.footer-schedule {
    color: rgba(255, 255, 255, 0.65);
    font-size: 13.5px;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 18px;
    color: #FFFFFF;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--accent-3);
}

.footer-cta-desc {
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
    line-height: 1.55;
    margin-bottom: 18px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .footer {
        padding: 44px 0 24px;
        margin-top: 40px;
    }
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1fr 1.4fr;
    }

    .footer-bottom {
        text-align: left;
    }
}