/* KÜHNLEIN Stickerei – Grunddesign: Weiss / Grau / Pink */

/* Source Sans Pro wird selbst gehostet (DSGVO-konform, keine Anfrage an Google-Server). */
@font-face {
    font-family: 'Source Sans Pro';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('../fonts/source-sans-3-latin.woff2') format('woff2');
}

:root {
    --color-white: #ffffff;
    --color-bg: #f7f7f8;
    --color-gray-light: #e5e6e8;
    --color-gray: #8a9096;
    --color-gray-dark: #485155;
    --color-text: #2c3235;
    --color-pink: #e6007e;
    --color-pink-dark: #b8005f;
    --radius: 10px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Source Sans Pro', 'Segoe UI', Roboto, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
}

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

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

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    margin: 0 0 16px;
    font-weight: 800;
    color: var(--color-gray-dark);
    letter-spacing: 0.3px;
}

h1 { font-size: clamp(28px, 5vw, 44px); }
h2 { font-size: clamp(22px, 4vw, 32px); text-transform: uppercase; }
h3 { font-size: 20px; }

p { color: var(--color-gray); margin: 0 0 14px; }

.eyebrow {
    display: inline-block;
    color: var(--color-pink);
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 10px;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--color-pink);
    border-radius: 2px;
    margin: 10px 0 24px;
}

.btn {
    display: inline-block;
    padding: 13px 28px;
    background: var(--color-pink);
    color: var(--color-white);
    border: none;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
    font-size: 15px;
}

.btn:hover {
    background: var(--color-pink-dark);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-dark);
    border: 2px solid var(--color-gray-light);
}

.btn-outline:hover {
    border-color: var(--color-pink);
    color: var(--color-pink);
}

/* Topbar */
.topbar {
    background: var(--color-gray-dark);
    color: #d7dade;
    font-size: 13px;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    flex-wrap: wrap;
    gap: 6px;
}

.topbar a {
    color: #ffffff;
    font-weight: 600;
}

/* Header */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 52px;
    width: auto;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    color: var(--color-gray-dark);
    line-height: 1.1;
}

.logo-text span {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.main-nav a {
    color: var(--color-gray-dark);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    color: var(--color-gray-dark);
    cursor: pointer;
}

/* Hero */
.hero {
    background:
        linear-gradient(100deg, rgba(20, 22, 24, 0.88) 0%, rgba(20, 22, 24, 0.78) 45%, rgba(20, 22, 24, 0.55) 100%),
        url('../img/header-stickmaschine.jpg') center right / cover no-repeat;
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero h1,
.hero p {
    color: #ffffff;
}

.hero p {
    opacity: 0.85;
}

.skillbar {
    margin-bottom: 18px;
}

.skillbar-label {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 6px;
}

.skillbar-label span.pct {
    color: var(--color-pink);
}

.skillbar-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    overflow: hidden;
}

.skillbar-fill {
    height: 100%;
    background: #ffffff;
    border-radius: 999px;
}

/* Section spacing */
.section {
    padding: 70px 0;
}

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 40px;
}

.section-header .divider {
    margin: 10px auto 0;
}

/* Leistungen Grid */
.grid {
    display: grid;
    gap: 24px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--color-white);
    border: 1px dashed var(--color-gray-light);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow);
    border-color: var(--color-pink);
    transform: translateY(-3px);
}

.card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-pink);
    font-size: 26px;
}

.card h3 {
    margin-bottom: 8px;
}

.card p {
    font-size: 14px;
    margin-bottom: 0;
}

/* Prozess-Schritte */
.step {
    background: var(--color-gray-dark);
    color: #ffffff;
    border-radius: var(--radius);
    padding: 24px;
}

.step .step-number {
    font-size: 40px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.step h3 {
    color: #ffffff;
}

.step p {
    color: #c7ccd0;
    margin-bottom: 0;
    font-size: 14px;
}

/* Referenzen (Portfolio) */
.ref-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.ref-card img {
    height: 200px;
    width: 100%;
    object-fit: cover;
    background: var(--color-gray-light);
}

.ref-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ref-meta {
    font-size: 12px;
    color: var(--color-pink);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.ref-card h3 {
    margin-bottom: 8px;
}

.ref-card p {
    font-size: 14px;
    flex: 1;
}

.ref-card .btn-outline {
    align-self: flex-start;
    padding: 8px 18px;
    font-size: 13px;
}

/* Referenzkunden Logos */
.kunden-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.kunden-logos a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gray-dark);
    font-weight: 700;
    filter: grayscale(1);
    opacity: 0.7;
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.kunden-logos a:hover {
    filter: none;
    opacity: 1;
}

.kunden-logos img {
    height: 40px;
    width: auto;
}

/* Referenz Detail */
.detail-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: start;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table td {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-gray-light);
    font-size: 14px;
}

.detail-table td:first-child {
    color: var(--color-gray-dark);
    font-weight: 700;
    width: 45%;
}

.breadcrumb {
    background: var(--color-bg);
    padding: 20px 0;
    font-size: 13px;
    color: var(--color-gray);
}

.breadcrumb a {
    color: var(--color-gray);
}

.breadcrumb .current {
    color: var(--color-pink);
}

/* Formulare */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    color: var(--color-gray-dark);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-gray-light);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-pink);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #e6f7ec;
    color: #1e7a3d;
    border: 1px solid #b7e6c6;
}

.alert-error {
    background: #fdeaf0;
    color: #a8004a;
    border: 1px solid #f3b8d3;
}

/* Kontakt-Info-Karten */
.contact-info-item {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
}

.contact-info-item .icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Footer */
.site-footer {
    background: var(--color-gray-dark);
    color: #c7ccd0;
    padding-top: 50px;
}

.site-footer h4 {
    color: #ffffff;
    font-size: 15px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.site-footer a {
    color: #c7ccd0;
}

.site-footer a:hover {
    color: var(--color-pink);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 40px;
}

.footer-bottom {
    border-top: 1px solid #5a6266;
    padding: 18px 0;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom strong {
    color: var(--color-pink);
}

/* Responsive */
@media (max-width: 900px) {
    .hero .container,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 640px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-light);
        box-shadow: var(--shadow);
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 10px 20px 20px;
    }

    .main-nav li {
        border-top: 1px solid var(--color-gray-light);
    }

    .main-nav a {
        display: block;
        padding: 12px 0;
    }

    .nav-toggle {
        display: block;
    }

    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .topbar .container {
        justify-content: center;
        text-align: center;
    }
}