/* ==========================================================================
   tbc | tombittercontrolling - statischer Nachbau
   ========================================================================== */

:root {
    --color-primary: #c57425; /* Orange-Akzent des Original-Theme (Logo/Buttons) */
    --color-primary-dark: #9c5b1c;
    --color-dark: #2b2828;
    --color-text: #585857;
    --color-light-bg: #f7f7f7;
    --color-border: #e2e2e2;
    --color-footer-bg: #7b7a7a;
    --font-base: "Open Sans", Arial, Tahoma, sans-serif;
    --font-heading: "Open Sans", Arial, Tahoma, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    font-size: 13px;
    line-height: 1.7;
    background: #fff;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-dark);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--color-dark);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------------- Header ---------------- */

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: #fff;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 22px;
    padding-bottom: 22px;
}

.logo img {
    max-height: 60px;
    width: auto;
}

.logo a {
    display: inline-block;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 34px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: #242424;
    font-family: var(--font-base);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-toggle {
    display: none;
}

/* ---------------- Hero ---------------- */

.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    color: #4a4848;
    min-height: 380px;
    display: flex;
    align-items: center;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-text {
    max-width: 620px;
}

.hero-text .hero-line {
    display: block;
    font-weight: 800;
    font-size: 22px;
    line-height: 1.4;
    color: #4a4848;
}

.hero-text .hero-line-big {
    font-size: 34px;
}

.hero-text h1 {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.4;
    margin: 0;
    color: #4a4848;
}

.hero-image img {
    max-width: 260px;
}

.product-header {
    background: #fff;
    border-bottom: 1px solid #ececec;
    text-align: center;
    padding: 20px 0 20px;
}

.page-title {
    color: #929292;
    font-weight: 400;
    font-size: 20px;
    margin: 0;
}

.product-header img {
    margin: 0 auto;
    max-width: 320px;
}

/* ---------------- Intro Section ---------------- */

.intro {
    padding: 60px 0;
    text-align: center;
}

.intro h2 {
    font-size: 24px;
    color: var(--color-dark);
    max-width: 780px;
    margin: 0 auto 20px;
}

.intro p {
    max-width: 780px;
    margin: 0 auto 20px;
}

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 12px 20px;
    border-radius: 4px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 700;
    font-size: 14px;
    margin-top: 10px;
}

.btn:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

.btn-blue {
    background: #3e95d4;
}

.btn-blue:hover {
    background: #2f78ad;
}

.btn-grey {
    background: #7a7a7a;
}

.btn-grey:hover {
    background: #666;
}

/* ---------------- Section generic ---------------- */

section {
    padding: 20px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
}

.section-title h2 {
    font-size: 26px;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.section-title p {
    max-width: 760px;
    margin: 0 auto;
}

.alt-bg {
    background: var(--color-light-bg);
}

/* ---------------- Produkte / Karten ---------------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 26px;
}

.card img {
    max-width: 200px;
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
}

.card h3 {
    font-size: 18px;
    color: var(--color-dark);
    margin-top: 0;
}

.card h3 a {
    color: var(--color-dark);
}

.card h3 a:hover {
    color: var(--color-primary);
}

/* ---------------- Zweispaltige Content-Blöcke ---------------- */

.split {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.split.reverse {
    flex-direction: row-reverse;
}

.split-text {
    flex: 1 1 420px;
}

.split-image {
    flex: 1 1 380px;
}

.split-text h2 {
    font-size: 24px;
    color: var(--color-dark);
}

.split-text h4 {
    color: var(--color-dark);
    font-weight: 400;
    font-size: 18px;
}

.split-text ul {
    padding-left: 20px;
}

.split-text ul li {
    margin-bottom: 6px;
}

/* ---------------- Module Icons (tbcnet) ---------------- */

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 34px;
}

.module {
    text-align: center;
}

.module img {
    margin: 0 auto 18px;
    width: 90px;
}

.module h3 {
    color: var(--color-dark);
    font-size: 16px;
    letter-spacing: 1px;
}

.module ul {
    list-style: none;
    padding: 0;
    text-align: left;
    font-size: 14px;
}

.module ul {
    padding-left: 18px;
}

.module ul li {
    list-style: disc;
    margin-bottom: 6px;
}

/* ---------------- Preistabelle ---------------- */

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    text-align: center;
}

.price-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-bottom: 8px solid #3e95d4;
    padding: 30px 20px;
}

.price-card.featured {
    border-bottom-color: var(--color-primary);
}

.price-card .modules {
    font-size: 20px;
    font-weight: 400;
    color: #333;
    margin-bottom: 10px;
}

.price-card .amount {
    font-size: 45px;
    color: #333;
    font-weight: 400;
    margin-bottom: 4px;
}

.price-card .amount sup {
    font-size: 14px;
}

.price-card .unit {
    font-size: 13px;
    color: #999;
    margin-bottom: 18px;
}

.price-note {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin-top: 20px;
}

/* ---------------- FAQ Accordion ---------------- */

.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    cursor: pointer;
    padding: 18px 0;
    font-weight: 600;
    color: var(--color-dark);
    list-style: none;
    position: relative;
    padding-right: 30px;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    color: var(--color-primary);
    font-size: 20px;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item p {
    padding-bottom: 18px;
    margin: 0;
}

/* ---------------- Kontakt ---------------- */

.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-box p {
    margin: 6px 0;
}

.contact-box img {
    margin: 24px auto 0;
    max-width: 160px;
}

/* ---------------- Rechtstexte (Impressum/AGB) ---------------- */

.legal {
    max-width: 820px;
    margin: 0 auto;
}

.legal h2 {
    color: var(--color-dark);
    margin-top: 34px;
}

.legal h3 {
    color: var(--color-primary);
    margin-top: 26px;
}

/* ---------------- Footer ---------------- */

.site-footer {
    background: var(--color-footer-bg);
    color: #fff;
    padding: 30px 0;
    text-align: center;
    font-size: 12px;
}

.site-footer .footer-nav {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 26px;
    margin: 0 0 14px;
    padding: 0;
    flex-wrap: wrap;
}

.site-footer a {
    color: #fff;
}

.site-footer a:hover,
.site-footer a.active {
    color: var(--color-primary);
}

.site-footer .copy {
    color: #fff;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 780px) {
    .site-header .container {
        flex-direction: column;
        gap: 16px;
    }

    .main-nav ul {
        gap: 18px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .split,
    .split.reverse {
        flex-direction: column;
    }

    .hero-text h1 {
        font-size: 24px;
    }
}