/* ============================================================
   CTC – Car Tech Center | Component Styles
   Buttons, Cards, Badges, Navigation
   ============================================================ */

/* ═══════════════════════════════════
   BUTTONS
   ═══════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-base),
        transform var(--transition-fast),
        box-shadow var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
}

.btn:active {
    transform: scale(0.97);
}

/* Primary Button */
.btn--primary {
    background: var(--ctc-blue-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
}

.btn--primary:hover {
    box-shadow: var(--shadow-blue-lg);
    transform: translateY(-2px);
    color: #FFFFFF;
}

/* Secondary / Outline Button */
.btn--secondary {
    background: transparent;
    color: var(--ctc-text-primary);
    border: 2px solid var(--ctc-border);
    backdrop-filter: blur(8px);
}

.btn--secondary:hover {
    border-color: var(--ctc-blue-primary);
    color: var(--ctc-blue-primary);
    background: var(--ctc-accent-glow);
}

/* Ghost Button */
.btn--ghost {
    background: rgba(var(--ctc-bg-rgb), 0.1);
    color: #FFFFFF;
    border: 2px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
    color: #FFFFFF;
}

/* Small Button */
.btn--sm {
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    min-height: 40px;
}

/* Large Button */
.btn--lg {
    padding: 18px 36px;
    font-size: var(--font-size-lg);
}

/* Icon inside Button */
.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Button responsive safety */
@media (max-width: 768px) {
    .btn {
        max-width: 100%;
        word-break: break-word;
        overflow-wrap: break-word;
    }
}

@media (max-width: 360px) {
    .btn {
        padding: 12px 20px;
        font-size: var(--font-size-sm);
    }

    .btn--lg {
        padding: 14px 24px;
        font-size: var(--font-size-base);
    }
}

/* ═══════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    z-index: var(--z-sticky);
    background: var(--nav-bg);
    backdrop-filter: var(--nav-blur);
    -webkit-backdrop-filter: var(--nav-blur);
    border-bottom: 1px solid transparent;
    transition:
        background-color var(--transition-theme),
        border-color var(--transition-base);
}

.nav.scrolled {
    border-bottom-color: var(--ctc-border);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding-inline: var(--section-padding-x);
}

.nav__logo {
    height: 40px;
    width: auto;
    flex-shrink: 0;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--ctc-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
    padding-block: var(--space-xs);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--ctc-blue-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--ctc-text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--ctc-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--ctc-text-secondary);
    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
    min-height: 40px;
    min-width: 40px;
}

.theme-toggle:hover {
    color: var(--ctc-blue-primary);
    border-color: var(--ctc-blue-primary);
    background: var(--ctc-accent-glow);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* Sun icon hidden in dark mode, moon icon hidden in light mode */
.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* Mobile Menu Toggle */
.nav__mobile-toggle {
    display: none;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--ctc-text-primary);
    padding: 0;
}

.nav__mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-full);
    transition:
        transform var(--transition-base),
        opacity var(--transition-fast);
    position: relative;
}

.nav__mobile-toggle span::before,
.nav__mobile-toggle span::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: currentColor;
    border-radius: var(--radius-full);
    transition:
        transform var(--transition-base),
        opacity var(--transition-fast);
}

.nav__mobile-toggle span::before {
    top: -7px;
}

.nav__mobile-toggle span::after {
    top: 7px;
}

/* Hamburger → X animation */
.nav__mobile-toggle.active span {
    background: transparent;
}

.nav__mobile-toggle.active span::before {
    top: 0;
    transform: rotate(45deg);
}

.nav__mobile-toggle.active span::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation Panel – Slide Down */
.nav__mobile-panel {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - var(--nav-height));
    height: calc(100dvh - var(--nav-height));
    background-color: #FAFAFE;
    z-index: var(--z-overlay);
    padding: var(--space-2xl) var(--section-padding-x);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-16px);
    transition:
        visibility 0.35s,
        opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(var(--space-3xl) + env(safe-area-inset-bottom, 0));
}

[data-theme="dark"] .nav__mobile-panel {
    background-color: #06060F;
}

.nav__mobile-panel.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.nav__mobile-panel .nav__link {
    font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--ctc-border);
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        color var(--transition-fast);
}

.nav__mobile-panel.open .nav__link {
    opacity: 1;
    transform: translateY(0);
}

.nav__mobile-panel.open .nav__link:nth-child(1) {
    transition-delay: 0.04s;
}

.nav__mobile-panel.open .nav__link:nth-child(2) {
    transition-delay: 0.08s;
}

.nav__mobile-panel.open .nav__link:nth-child(3) {
    transition-delay: 0.12s;
}

.nav__mobile-panel.open .nav__link:nth-child(4) {
    transition-delay: 0.16s;
}

.nav__mobile-panel.open .nav__link:nth-child(5) {
    transition-delay: 0.20s;
}

.nav__mobile-panel.open .nav__link:nth-child(6) {
    transition-delay: 0.24s;
}

.nav__mobile-panel .nav__link.active {
    color: var(--ctc-blue-primary);
}

.nav__mobile-panel .nav__link::after {
    display: none;
}

/* Mobile CTA inside panel */
.nav__mobile-cta {
    margin-top: auto;
    padding-top: var(--space-lg);
}

.nav__mobile-cta .btn {
    width: 100%;
    justify-content: center;
}

/* ═══════════════════════════════════
   RESPONSIVE: 1024px (Tablet)
   ═══════════════════════════════════ */

@media (max-width: 1024px) {
    .nav__links {
        gap: var(--space-lg);
    }

    .nav__link {
        font-size: var(--font-size-xs);
    }

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

    .contact__form-row {
        grid-template-columns: 1fr;
    }

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

    .fuhrpark__visual {
        display: none;
    }

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

    .about__image-wrap {
        max-height: 300px;
        overflow: hidden;
        border-radius: var(--radius-lg);
    }
}

/* ═══════════════════════════════════
   RESPONSIVE: 768px (Mobile)
   ═══════════════════════════════════ */

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__mobile-toggle {
        display: flex;
    }

    .nav__actions .btn {
        display: none;
    }

    /* Contact form */
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .contact__form-row {
        grid-template-columns: 1fr;
    }

    .contact__map iframe {
        height: 220px;
    }

    .contact__hours-item {
        flex-direction: column;
        gap: 2px;
    }

    /* Reviews */
    .reviews__grid {
        grid-template-columns: 1fr;
    }

    /* About badges */
    .about__badges {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    /* Services grid */
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    /* Stats */
    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }

    .stat-card__number {
        font-size: var(--font-size-3xl);
    }

    /* Hero */
    .hero__content {
        text-align: center;
    }

    .hero__cta-group {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }

    .hero__cta-group .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    /* Fuhrpark features */
    .fuhrpark__features {
        grid-template-columns: 1fr;
    }

    .fuhrpark__feature {
        flex-direction: row;
        gap: var(--space-md);
    }

    /* Pickerl layout */
    .pickerl__content {
        grid-template-columns: 1fr;
    }

    .pickerl__visual {
        order: -1;
        max-height: 200px;
    }

    /* Cookie banner */
    .cookie-banner__actions {
        flex-direction: column;
    }

    .cookie-banner__actions .btn {
        width: 100%;
    }

    /* CTA strip */
    .cta-strip__actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-strip__actions .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    /* Floating CTA */
    .floating-cta {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
}

/* ═══════════════════════════════════
   RESPONSIVE: 480px (Small Mobile)
   ═══════════════════════════════════ */

@media (max-width: 480px) {
    .services__grid {
        grid-template-columns: 1fr;
    }

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .badge {
        font-size: var(--font-size-xs);
        padding: 6px 12px;
    }

    .pickerl__badge-visual {
        width: 140px;
        height: 140px;
    }

    .service-card {
        padding: var(--space-lg);
    }

    .review-card {
        padding: var(--space-lg);
    }

    .faq-item__question {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-sm);
    }

    .faq-item__answer {
        padding: 0 var(--space-lg) var(--space-md);
        font-size: var(--font-size-sm);
    }
}

.service-card {
    background: var(--ctc-bg);
    border: 1px solid var(--ctc-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
    cursor: default;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-blue);
    border-color: var(--ctc-blue-primary);
}

.service-card__icon {
    width: 52px;
    height: 52px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--ctc-accent-glow);
    color: var(--ctc-blue-primary);
    transition: background-color var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--ctc-accent-glow-strong);
}

.service-card__icon svg {
    width: 26px;
    height: 26px;
}

.service-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--ctc-text-primary);
    margin-bottom: var(--space-sm);
}

.service-card__desc {
    font-size: var(--font-size-sm);
    color: var(--ctc-text-secondary);
    line-height: var(--line-height-normal);
}

/* ═══════════════════════════════════
   TRUST / STAT CARDS
   ═══════════════════════════════════ */

.stat-card {
    text-align: center;
    padding: var(--space-lg);
}

.stat-card__number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--ctc-blue-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
    white-space: nowrap;
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--ctc-text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════
   REVIEW CARDS
   ═══════════════════════════════════ */

.review-card {
    background: var(--ctc-bg);
    border: 1px solid var(--ctc-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.review-card__stars {
    display: flex;
    justify-content: center;
    gap: 2px;
    color: #F59E0B;
}

.review-card__stars svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.review-card__text {
    font-size: var(--font-size-base);
    color: var(--ctc-text-primary);
    font-style: italic;
    line-height: var(--line-height-relaxed);
    flex: 1;
}

.review-card__author {
    font-size: var(--font-size-sm);
    color: var(--ctc-text-muted);
    font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════
   BADGES
   ═══════════════════════════════════ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    background: var(--ctc-accent-glow);
    color: var(--ctc-blue-primary);
    border: 1px solid rgba(0, 68, 204, 0.15);
}

.badge--meister {
    background: linear-gradient(135deg, rgba(0, 68, 204, 0.12), rgba(34, 102, 255, 0.08));
}

.badge svg {
    width: 16px;
    height: 16px;
}

/* ═══════════════════════════════════
   COOKIE BANNER
   ═══════════════════════════════════ */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ctc-surface-elevated);
    border-top: 1px solid var(--ctc-border);
    padding: var(--space-xl) var(--section-padding-x);
    z-index: var(--z-cookie);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.cookie-banner__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--ctc-text-primary);
    margin-bottom: var(--space-sm);
}

.cookie-banner__text {
    font-size: var(--font-size-sm);
    color: var(--ctc-text-secondary);
    margin-bottom: var(--space-md);
}

.cookie-banner__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.cookie-banner__option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--ctc-text-primary);
}

.cookie-banner__option input[type="checkbox"] {
    accent-color: var(--ctc-blue-primary);
    width: 18px;
    height: 18px;
}

.cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* ═══════════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════════ */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--ctc-text-primary);
}

.form-input,
.form-textarea {
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--ctc-text-primary);
    background: var(--ctc-bg);
    border: 1.5px solid var(--ctc-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background-color var(--transition-theme);
    min-height: 48px;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--ctc-blue-primary);
    box-shadow: 0 0 0 3px var(--ctc-accent-glow);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--ctc-text-secondary);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    accent-color: var(--ctc-blue-primary);
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.form-success {
    padding: var(--space-md);
    background: rgba(22, 163, 74, 0.1);
    border: 1px solid rgba(22, 163, 74, 0.2);
    border-radius: var(--radius-md);
    color: var(--ctc-success);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: none;
}

.form-success.visible {
    display: block;
}

/* ═══════════════════════════════════
   FAQ ACCORDION
   ═══════════════════════════════════ */

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
}

.faq-item {
    background: var(--ctc-bg);
    border: 1px solid var(--ctc-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item[open] {
    border-color: var(--ctc-blue-primary);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--ctc-text-primary);
    cursor: pointer;
    list-style: none;
    transition: color var(--transition-fast);
    min-height: 48px;
}

.faq-item__question::-webkit-details-marker {
    display: none;
}

.faq-item__question::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    color: var(--ctc-blue-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-item[open] .faq-item__question::after {
    content: '−';
}

.faq-item__question:hover {
    color: var(--ctc-blue-primary);
}

.faq-item__answer {
    padding: 0 var(--space-xl) var(--space-lg);
    font-size: var(--font-size-base);
    color: var(--ctc-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════
   RESPONSIVE: NAVIGATION
   ═══════════════════════════════════ */

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__mobile-toggle {
        display: flex;
    }

    .nav__actions .btn {
        display: none;
    }

    .cookie-banner__actions {
        flex-direction: column;
    }

    .cookie-banner__actions .btn {
        width: 100%;
    }
}