/* =============================================================
   JOSEPHWARE — components.css
   Preloader · Scroll Progress · Header · Burger · Theme Selector
   Back-to-Top · Modal · Footer
   ============================================================= */

/* ---------------------------------------------------------------
   PRELOADER
--------------------------------------------------------------- */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.preloader-logo {
    width: 68px;
    height: 68px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    animation: preloaderPulse 1.4s ease-in-out infinite;
    box-shadow: var(--shadow-colored);
}

@keyframes preloaderPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(59,130,246,0.4);
    }
    50% {
        transform: scale(1.06);
        box-shadow: 0 0 0 18px rgba(59,130,246,0);
    }
}

.preloader-bar {
    width: 180px;
    height: 3px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.preloader-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: var(--radius-full);
    animation: preloaderFill 1.6s ease forwards;
}

@keyframes preloaderFill {
    from { width: 0%; }
    to   { width: 100%; }
}

.preloader-content p {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ---------------------------------------------------------------
   SCROLL PROGRESS BAR
--------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient);
    z-index: calc(var(--z-header) + 1);
    transition: width 0.08s linear;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ---------------------------------------------------------------
   HEADER
--------------------------------------------------------------- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    padding: 18px 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#header.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

.theme-dark #header.scrolled,
.theme-midnight #header.scrolled {
    background: rgba(15,23,42,0.92);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.logo:hover { opacity: 0.85; }

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    flex-shrink: 0;
}

/* Nav */
#mainNav ul {
    display: flex;
    align-items: center;
    gap: 4px;
}

#mainNav a {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

#mainNav a:hover,
#mainNav a.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ── Randevu Paneli CTA button ── */
.btn-panel {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    background: var(--gradient);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(59,130,246,0.35);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

/* Animated shimmer sweep */
.btn-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 35%,
        rgba(255,255,255,0.22) 50%,
        transparent 65%
    );
    transform: translateX(-100%);
    transition: transform 0.55s ease;
}

.btn-panel:hover::before   { transform: translateX(100%); }
.btn-panel:hover           { box-shadow: 0 4px 22px rgba(139,92,246,0.50); transform: translateY(-1px); }
.btn-panel:active          { transform: translateY(0); opacity: 0.9; }

/* Keep icon + text aligned when condensed */
.btn-panel i { font-size: 13px; flex-shrink: 0; }

/* On very small screens, hide the label, keep just the icon */
@media (max-width: 400px) {
    .btn-panel span { display: none; }
    .btn-panel      { padding: 9px 11px; }
}

/* Burger button */
.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 17px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.burger-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

.burger-btn.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.burger-btn.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------------------------------------------------------------
   THEME SELECTOR
--------------------------------------------------------------- */
.theme-selector {
    position: fixed;
    bottom: 28px;
    right: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: var(--z-theme);
}

.theme-toggle-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    box-shadow: var(--shadow-colored);
    transition: transform var(--transition), box-shadow var(--transition);
}

.theme-toggle-btn:hover {
    transform: scale(1.1) rotate(20deg);
}

.theme-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px) scale(0.95);
    transition: all var(--transition);
    transform-origin: bottom center;
    pointer-events: none;
}

.theme-options.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.theme-dot {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    background-size: cover;
}

.theme-dot:hover {
    transform: scale(1.15);
}

.theme-dot.active {
    border-color: var(--text);
    transform: scale(1.1);
}

/* ---------------------------------------------------------------
   BACK TO TOP
--------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 86px;
    right: 28px;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: var(--card-bg);
    color: var(--primary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--transition);
    z-index: var(--z-theme);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-colored);
}

/* ---------------------------------------------------------------
   MODAL
--------------------------------------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    width: min(95%, 520px);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    transform: translateY(24px) scale(0.97);
    transition: transform var(--transition);
    overflow: hidden;
}

.modal.open .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px 0;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.modal-title i { font-size: 20px; }

.modal-title h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: none;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--border);
    color: var(--text);
    transform: rotate(90deg);
}

.modal-body {
    padding: 20px 28px;
}

.modal-body > p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.message-preview {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.825rem;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 160px;
    overflow-y: auto;
    color: var(--text);
    margin-bottom: 20px;
}

.modal-steps {
    padding-left: 18px;
    list-style: decimal;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-steps li {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 4px 28px 28px;
    justify-content: flex-end;
}

/* ---------------------------------------------------------------
   FOOTER
--------------------------------------------------------------- */
footer {
    background: #080E1C;
    color: #E2E8F0;
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 18px;
}

.footer-brand p {
    color: #94A3B8;
    font-size: 0.875rem;
    line-height: 1.75;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 22px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.06);
    color: #94A3B8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255,255,255,0.08);
}

.footer-social a:hover {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 0.875rem;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-contact-item i {
    color: var(--primary);
    width: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact-item span {
    color: #94A3B8;
    font-size: 0.875rem;
    line-height: 1.5;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p {
    color: #475569;
    font-size: 0.825rem;
}

.footer-bottom a {
    color: var(--primary);
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.footer-bottom a:hover { opacity: 0.8; }

/* ---------------------------------------------------------------
   RESPONSIVE — COMPONENTS
--------------------------------------------------------------- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    /* Full-screen overlay nav */
    #mainNav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100dvh;
        background: var(--card-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        opacity: 0;
        transition: transform var(--transition), opacity var(--transition);
        z-index: calc(var(--z-header) - 1);
        overflow-y: auto;
    }

    #mainNav.open {
        transform: translateX(0);
        opacity: 1;
    }

    #mainNav ul {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }

    #mainNav a {
        font-size: 1.15rem;
        padding: 14px 30px;
        display: block;
    }

    .burger-btn {
        display: flex;
    }

    /* Hide "Teklif Al" on small screens, keep Randevu Paneli */
    .header-actions .btn:not(.btn-panel) {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-bottom: 40px;
    }

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

    .modal-footer {
        flex-direction: column;
    }

    .theme-selector,
    .back-to-top {
        right: 16px;
    }

    .theme-selector { bottom: 16px; }
    .back-to-top    { bottom: 74px; }
}

@media (max-width: 480px) {
    .modal-body {
        padding: 16px 20px;
    }

    .modal-header,
    .modal-footer {
        padding-left: 20px;
        padding-right: 20px;
    }
}