/* ============================================================
   PR-O-LOG GmbH – Haupt-Stylesheet
   Mobile-first, kein Framework, kein CDN
   ============================================================ */

/* --- Variablen --- */
:root {
    --color-primary:    #0a2540;
    --color-secondary:  #1a4a7a;
    --color-accent:     #2e86c1;
    --color-light:      #f4f7fb;
    --color-white:      #ffffff;
    --color-text:       #1c1c2e;
    --color-text-muted: #6b7280;
    --color-border:     #d1d9e6;
    --color-success:    #16a34a;
    --color-error:      #dc2626;

    --font-sans: 'Inter', Arial, sans-serif;
    --max-width: 1200px;
    --radius: 8px;
    --shadow: 0 2px 16px rgba(10, 37, 64, 0.10);
    --shadow-lg: 0 8px 32px rgba(10, 37, 64, 0.15);
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-secondary);
}

ul {
    list-style: none;
}

/* --- Hilfklassen --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), transform var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

.site-header {
    background: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--color-white);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-decoration: none;
}

.nav__logo-icon {
    width: 38px;
    height: 38px;
    background: var(--color-accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.1rem;
    color: var(--color-white);
    flex-shrink: 0;
}

.nav__links {
    display: none;
    gap: 0.25rem;
}

.nav__links a {
    color: rgba(255,255,255,0.75);
    font-size: 0.95rem;
    font-weight: 500;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
    color: var(--color-white);
    border-bottom-color: var(--color-accent);
}

.nav__cta {
    display: none;
}

/* Hamburger */
.nav__toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border-radius: 6px;
    transition: background var(--transition);
}

.nav__toggle:hover {
    background: rgba(255,255,255,0.1);
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menü */
.nav__mobile {
    display: none;
    background: var(--color-secondary);
    padding: 1rem 1.25rem 1.5rem;
}

.nav__mobile.is-open {
    display: block;
}

.nav__mobile a {
    display: block;
    color: rgba(255,255,255,0.9);
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 1rem;
    font-weight: 500;
}

.nav__mobile a:last-child {
    border-bottom: none;
    margin-top: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
}

.nav__mobile a:hover {
    color: var(--color-white);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
    background:
        linear-gradient(135deg, rgba(10,37,64,0.82) 0%, rgba(26,74,122,0.70) 60%, rgba(30,95,140,0.65) 100%),
        url('../img/pexels-artem-balashevsky-651916235-18446790.jpg') center center / cover no-repeat;
    color: var(--color-white);
    padding: 4rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: none;
}

.hero__content {
    position: relative;
    max-width: 700px;
}

.hero__badge {
    display: inline-block;
    background: rgba(46,134,193,0.3);
    color: #7ecff5;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    border: 1px solid rgba(46,134,193,0.4);
    margin-bottom: 1.25rem;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: var(--color-white);
}

.hero__title span {
    color: #7ecff5;
}

.hero__text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
    max-width: 560px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}


/* ============================================================
   LEISTUNGEN
   ============================================================ */

.services {
    padding: 5rem 0;
    background: var(--color-light);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    width: 52px;
    height: 52px;
    background: var(--color-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.service-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.6rem;
}

.service-card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ============================================================
   VORTEILE / USP
   ============================================================ */

.usp {
    padding: 5rem 0;
    background: var(--color-white);
}

.usp__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.usp__list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.usp__item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.usp__item-icon {
    width: 42px;
    height: 42px;
    background: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.usp__item-body strong {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
}

.usp__item-body p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.usp__visual {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 12px;
    padding: 2.5rem;
    color: var(--color-white);
}

.usp__visual h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.usp__visual p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.usp__visual .btn {
    margin-top: 0.5rem;
}

/* ============================================================
   BRANCHEN
   ============================================================ */

.branches {
    padding: 5rem 0;
    background: var(--color-light);
}

.branches__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.branch-tag {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.branch-tag:hover {
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(46,134,193,0.15);
}

.branch-tag span:first-child {
    font-size: 1.3rem;
}

/* ============================================================
   KONTAKT-TEASER (auf Startseite)
   ============================================================ */

.contact-teaser {
    padding: 5rem 0;
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.contact-teaser .section-title {
    color: var(--color-white);
}

.contact-teaser .section-subtitle {
    color: rgba(255,255,255,0.75);
    margin: 0 auto 2rem;
}

.contact-teaser__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* ============================================================
   KONTAKTSEITE
   ============================================================ */

.page-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding: 3.5rem 0 2.5rem;
}

.page-hero__title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.page-hero__text {
    color: rgba(255,255,255,0.8);
    font-size: 1.05rem;
    max-width: 560px;
}

.contact-page {
    padding: 4rem 0;
    background: var(--color-light);
    flex: 1;
}

.contact-page__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

/* Kontakt-Infos */
.contact-info__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    margin-bottom: 1.25rem;
}

.contact-info__item-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    color: var(--color-white);
}

.contact-info__item-body strong {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.9rem;
    margin-bottom: 0.15rem;
}

.contact-info__item-body span,
.contact-info__item-body a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Formular */
.contact-form-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.form-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46,134,193,0.15);
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
}

.form-group--row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.form-hint {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* Honeypot verstecken */
.kf-hp {
    display: none;
}

.kf-optional {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

/* Statusmeldung nach dem Absenden */
.kf-status {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
}

.kf-status--ok {
    background: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

.kf-status--error {
    background: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

.form-message {
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    display: none;
}

.form-message--success {
    background: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
    display: block;
}

.form-message--error {
    background: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
    display: block;
}

/* ============================================================
   IMPRESSUM / DATENSCHUTZ
   ============================================================ */

.legal-page {
    padding: 4rem 0;
    flex: 1;
    background: var(--color-white);
}

.legal-page__inner {
    max-width: 780px;
    margin: 0 auto;
}

.legal-page h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 2rem 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-border);
}

.legal-page h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 1.5rem 0 0.5rem;
}

.legal-page p {
    color: var(--color-text);
    line-height: 1.75;
    margin-bottom: 0.85rem;
    font-size: 0.97rem;
}

.legal-page ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 0.85rem;
    color: var(--color-text);
    font-size: 0.97rem;
    line-height: 1.75;
}

.legal-page a {
    color: var(--color-accent);
    word-break: break-all;
}

.legal-disclaimer {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    font-size: 0.88rem;
    color: #92400e;
    margin-top: 2.5rem;
    line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.75);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer__brand .nav__logo {
    margin-bottom: 0.9rem;
    display: inline-flex;
}

.footer__brand p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.65);
    max-width: 280px;
}

.footer__col-title {
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
}

.footer__contact-item span:first-child {
    flex-shrink: 0;
    margin-top: 1px;
}

.footer__contact-item a {
    color: rgba(255,255,255,0.65);
}

.footer__contact-item a:hover {
    color: var(--color-white);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
    font-size: 0.85rem;
}

.footer__legal-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__legal-links a {
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    transition: color var(--transition);
}

.footer__legal-links a:hover {
    color: var(--color-white);
}

/* ============================================================
   TABLET (ab 768px)
   ============================================================ */

@media (min-width: 768px) {

    .nav__links {
        display: flex;
    }

    .nav__cta {
        display: inline-block;
    }

    .nav__toggle {
        display: none;
    }

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

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

    .branches__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-page__grid {
        grid-template-columns: 1fr 1.8fr;
    }

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

    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ============================================================
   DESKTOP (ab 1024px)
   ============================================================ */

@media (min-width: 1024px) {

    .hero {
        padding: 6rem 0 5rem;
    }

    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .branches__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .container {
        padding: 0 2rem;
    }
}