:root {
    --dark-blue: #123f60;
    --deep-blue: #092d48;
    --main-blue: #0795c5;
    --turquoise: #18b6c9;

    --light-blue: #e8f6fa;
    --very-light-blue: #f4fafc;

    --text-color: #536c7c;
    --white: #ffffff;
    --border-color: #d4e7ee;

    --shadow: 0 8px 25px rgba(9, 45, 72, 0.10);
}


/* Grundeinstellungen */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--dark-blue);
    background: var(--white);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

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

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-weight: 700;
}

h1,
h2 {
    max-width: 820px;
    margin-bottom: 28px;
    font-size: clamp(31px, 4vw, 50px);
    line-height: 1.12;
}

h3 {
    margin-bottom: 12px;
    font-size: 21px;
}


/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 12px rgba(9, 45, 72, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1180px;
    min-height: 82px;
    margin: 0 auto;
    padding: 12px 30px;
}


/* Logo */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--dark-blue);
    text-decoration: none;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    padding: 7px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 13px rgba(9, 45, 72, 0.12);
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
    letter-spacing: 1.8px;
}

.brand-name strong {
    color: var(--dark-blue);
    font-size: 18px;
    font-weight: 800;
}

.brand-name small {
    margin-top: 5px;
    color: var(--main-blue);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
}


/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 27px;
}

.main-navigation a {
    color: var(--dark-blue);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.main-navigation a:hover {
    color: var(--main-blue);
}


/* Mobiles Menü (Hamburger) */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 210;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark-blue);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* Hero */
.hero-section {
    position: relative;
    min-height: 630px;
    color: var(--white);
    background:
        linear-gradient(
            110deg,
            rgba(9, 45, 72, 0.96),
            rgba(7, 149, 197, 0.73)
        ),
        url("../Bilder/containerschiff.jpg") center / cover no-repeat;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 85px 30px 120px;
}


.hero-label,
.section-label {
    margin-bottom: 15px;
    color: var(--main-blue);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-label {
    color: #b8edf7;
}

.hero-section h1 {
    max-width: 850px;
    margin-bottom: 28px;
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.05;
}

.hero-section h1 span {
    display: block;
    color: #b8edf7;
}

.hero-text {
    max-width: 720px;
    margin-bottom: 37px;
    color: #e9f9fc;
    font-size: 20px;
}


/* Buttons */
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.button {
    display: inline-block;
    padding: 13px 24px;
    border-radius: 5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

.button-primary {
    color: var(--white);
    background: var(--main-blue);
}

.button-primary:hover {
    background: var(--turquoise);
}

.button-outline {
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.button-outline:hover {
    background: rgba(255, 255, 255, 0.15);
}

.button-light {
    color: var(--dark-blue);
    background: var(--white);
}

.button-light:hover {
    color: var(--white);
    background: var(--main-blue);
}


/* Einleitung */
.intro-section {
    padding: 68px 30px;
    background: var(--white);
}

.narrow-content {
    max-width: 830px;
    margin: 0 auto;
}

.narrow-content p:not(.section-label) {
    color: var(--text-color);
    font-size: 18px;
}


/* Bilderbereich */
.offers-section {
    padding: 95px 30px;
    background: var(--very-light-blue);
}

.wide-content {
    max-width: 1180px;
    margin: 0 auto;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 48px;
}

.image-card {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.image-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(9, 45, 72, 0.17);
}

.image-card img {
    width: 100%;
    height: 230px;
    object-fit: cover;
}

.image-card-content {
    padding: 24px;
}

.image-card-content h3 {
    color: var(--dark-blue);
}

.image-card-content p {
    min-height: 52px;
    margin-bottom: 18px;
    color: var(--text-color);
}

.image-card-content a {
    color: var(--main-blue);
    font-weight: 700;
    text-decoration: none;
}

.image-card-content a:hover {
    color: var(--dark-blue);
}


/* Anfragebereich */
.highlight-section {
    padding: 78px 30px;
    color: var(--white);
    background: linear-gradient(
        110deg,
        var(--dark-blue),
        var(--main-blue)
    );
}

.highlight-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 45px;
    max-width: 1180px;
    margin: 0 auto;
}

.highlight-content h2 {
    margin-bottom: 18px;
}

.highlight-content p:not(.section-label) {
    max-width: 700px;
    margin-bottom: 0;
    color: #e4f6fa;
    font-size: 18px;
}

.light-label {
    color: #b8edf7;
}


/* Ablauf */
.process-section {
    padding: 95px 30px;
    background: var(--white);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 27px;
    margin-top: 48px;
}

.process-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    color: var(--white);
    background: var(--main-blue);
    border-radius: 50%;
    font-weight: 700;
}

.process-step p {
    margin-bottom: 0;
    color: var(--text-color);
}


/* Über uns */
.about-section {
    padding: 95px 30px;
    background: var(--light-blue);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px;
    max-width: 1180px;
    margin: 0 auto;
}

.about-image img {
    width: 100%;
    height: 390px;
    object-fit: cover;
    border: 7px solid var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-text p:not(.section-label) {
    color: var(--text-color);
    font-size: 18px;
}


/* Kontakt */
.contact-section {
    padding: 100px 30px;
    color: var(--white);
    background: linear-gradient(
        110deg,
        var(--deep-blue),
        #087c9d
    );
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content h2 {
    margin-right: auto;
    margin-left: auto;
}

.contact-content p:not(.section-label) {
    color: #e4f6fa;
    font-size: 18px;
}

.contact-details {
    margin: 30px 0;
}

.contact-details p {
    margin-bottom: 5px;
    font-size: 16px !important;
}


/* Footer */
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    padding: 25px 30px;
    color: #d9edf3;
    background: var(--deep-blue);
    font-size: 14px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 5px;
    background: var(--white);
    border-radius: 10px;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.site-footer p {
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #d9edf3;
    text-decoration: none;
}

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


/* Tablet */
@media (max-width: 950px) {
    .nav-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 34px;
        width: 100%;
        height: 100%;
        margin: 0;
        background: linear-gradient(
            160deg,
            var(--deep-blue),
            var(--main-blue)
        );
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
        transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
        z-index: 200;
    }

    .main-navigation.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .main-navigation a {
        color: var(--white);
        font-size: 22px;
    }

    .main-navigation a:hover {
        color: #b8edf7;
    }

    body.nav-open {
        overflow: hidden;
    }

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

    .highlight-content {
        align-items: flex-start;
        flex-direction: column;
    }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}


/* Smartphone */
@media (max-width: 600px) {
    .header-inner {
        padding: 10px 18px;
        min-height: 66px;
    }

    .brand-logo {
        width: 48px;
        height: 48px;
    }

    .brand-name strong {
        font-size: 15px;
    }

    .brand-name small {
        font-size: 8px;
        letter-spacing: 1.5px;
    }

    .main-navigation {
        gap: 26px;
    }

    .main-navigation a {
        font-size: 19px;
    }

    .hero-section {
        min-height: auto;
    }

    .hero-content {
        padding: 55px 20px 70px;
    }

    .intro-section {
        padding: 48px 20px;
    }

    .offers-section,
    .process-section,
    .about-section,
    .contact-section {
        padding: 68px 20px;
    }

    .highlight-section {
        padding: 65px 20px;
    }

    .image-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .button {
        text-align: center;
    }

    .about-image img {
        height: 270px;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
        padding: 25px 20px;
    }
}