/* ============================================================
   Kurzeja Elektrotechnik — Stylesheet
   ============================================================ */

:root {
    --color-blue: #2339AC;
    --color-teal: #0D6B7E;
    --color-green: #068D52;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-soft: #F9FAFB;
    --color-bg-card: #FFFFFF;
    --color-border: #E5E7EB;
    --color-accent: var(--color-teal);

    --gradient-brand: linear-gradient(90deg, var(--color-blue) 0%, var(--color-teal) 50%, var(--color-green) 100%);

    --font-sans: 'Outfit', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

    --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
    --shadow-md: 0 4px 12px rgba(15,23,42,.08);
    --shadow-lg: 0 10px 30px rgba(15,23,42,.10);

    --radius: 12px;
    --container-max: 1200px;
    --container-pad: 1.25rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-teal);
    text-decoration: none;
    transition: color 150ms ease;
}

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

h1, h2, h3 {
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: .5rem; }

p { margin-bottom: 1rem; }

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: .75rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    text-decoration: none;
    color: var(--color-teal);
    line-height: 1;
}

.brand:hover {
    color: var(--color-blue);
}

.brand-mark {
    height: 44px;
    width: auto;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-name {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1.5rem;
    letter-spacing: -0.01em;
    line-height: 1;
}

.brand-tag {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    line-height: 1;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: .95rem;
}

.main-nav a:hover {
    color: var(--color-teal);
}

.nav-cta {
    background: var(--color-teal);
    color: white !important;
    padding: .5rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.nav-cta:hover {
    background: var(--color-blue);
    color: white;
}

.menu-toggle {
    display: none;
    border: none;
    background: transparent;
    width: 44px;
    height: 44px;
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--color-text);
    transition: transform 200ms ease, opacity 200ms ease;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
    position: relative;
    padding: clamp(3rem, 8vw, 6rem) 0;
    background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gradient-brand);
    opacity: .06;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    text-align: center;
    max-width: 800px;
}

.hero-headline {
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-accent {
    display: inline-block;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-weight: 500;
}

.hero-subheadline {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-trust {
    font-size: .9rem;
    color: var(--color-text-light);
    display: flex;
    gap: .5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-trust .separator {
    opacity: .5;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 150ms ease, background 150ms ease, color 150ms ease;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

.btn-secondary:hover {
    background: var(--color-text);
    color: white;
}

/* ============================================================
   Sections
   ============================================================ */

section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-intro {
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 640px;
    margin-bottom: 2.5rem;
}

/* ============================================================
   Leistungen
   ============================================================ */

.leistungen {
    background: var(--color-bg-soft);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: transform 200ms ease, box-shadow 200ms ease;
}

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

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-teal) 100%);
    color: white;
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    color: var(--color-text);
    margin-bottom: .75rem;
}

.service-card p {
    color: var(--color-text-light);
    font-size: .95rem;
    margin-bottom: 0;
}

/* ============================================================
   Über mich
   ============================================================ */

.ueber-mich-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.ueber-mich-content .lead {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.ueber-mich-content p {
    color: var(--color-text-light);
}

.trust-list {
    list-style: none;
    margin-top: 1.5rem;
}

.trust-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: .75rem;
    color: var(--color-text-light);
}

.trust-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 600;
}

.qualifications {
    background: var(--color-bg-soft);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.qualifications h3 {
    color: var(--color-teal);
    margin-bottom: 1rem;
}

.qualifications ul {
    list-style: none;
}

.qualifications li {
    padding-block: .75rem;
    border-bottom: 1px solid var(--color-border);
    font-size: .95rem;
}

.qualifications li:last-child { border-bottom: none; }

.qualification-label {
    display: block;
    font-size: .8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .25rem;
}

/* ============================================================
   Servicegebiet
   ============================================================ */

.servicegebiet {
    background: var(--color-bg-soft);
}

.region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.region-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.region-block h3 {
    color: var(--color-teal);
}

.region-block p {
    margin-bottom: 0;
    color: var(--color-text-light);
    font-size: .95rem;
}

/* ============================================================
   Kontakt
   ============================================================ */

.kontakt-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.kontakt-info p { color: var(--color-text-light); margin-bottom: 2rem; }

.contact-block {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--color-bg-soft);
    color: var(--color-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: .8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .15rem;
}

.contact-link {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
}

.contact-link:hover { color: var(--color-teal); }

/* Form */

.kontakt-form {
    background: var(--color-bg-soft);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.kontakt-form h3 {
    color: var(--color-teal);
    margin-bottom: 1.5rem;
}

.kontakt-form label {
    display: block;
    margin-bottom: 1rem;
}

.kontakt-form label > span {
    display: block;
    font-size: .9rem;
    font-weight: 500;
    margin-bottom: .35rem;
    color: var(--color-text);
}

.kontakt-form input,
.kontakt-form textarea {
    width: 100%;
    padding: .75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: white;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.kontakt-form input:focus,
.kontakt-form textarea:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(13, 107, 126, .1);
}

.kontakt-form textarea { resize: vertical; }

.checkbox {
    display: flex !important;
    gap: .75rem;
    align-items: flex-start;
    margin-bottom: 1.5rem !important;
    font-size: .9rem;
    color: var(--color-text-light);
}

.checkbox input { width: auto !important; margin-top: 4px; }
.checkbox a { text-decoration: underline; }

.kontakt-form .btn { width: 100%; justify-content: center; }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, .8);
    padding: 2.5rem 0;
}

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

.footer-brand {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: white;
}

.footer-logo {
    width: 40px;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: .9;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.footer-nav a {
    color: rgba(255, 255, 255, .7);
    font-size: .95rem;
}

.footer-nav a:hover { color: white; }

.footer-copy {
    font-size: .85rem;
    text-align: right;
    color: rgba(255, 255, 255, .6);
}

/* ============================================================
   Legal pages (Impressum, Datenschutz)
   ============================================================ */

.legal-content {
    max-width: 760px;
    padding-block: 3rem;
}

.legal-content h1 {
    margin-bottom: 1.5rem;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.legal-content h2 {
    margin-top: 2.5rem;
    margin-bottom: .75rem;
    font-size: 1.25rem;
}

.legal-content h3 {
    margin-top: 1.5rem;
    margin-bottom: .5rem;
    font-size: 1.05rem;
}

.legal-content p, .legal-content li {
    color: var(--color-text-light);
}

.legal-content ul, .legal-content ol {
    margin: 0 0 1rem 1.5rem;
}

.legal-placeholder {
    background: #FEF3C7;
    color: #92400E;
    padding: .15rem .5rem;
    border-radius: 4px;
    font-size: .9em;
    font-weight: 500;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 880px) {
    .ueber-mich-inner,
    .kontakt-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand { justify-content: center; }
    .footer-copy { text-align: center; }
}

@media (max-width: 720px) {
    .menu-toggle { display: flex; }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--color-border);
        max-height: 0;
        overflow: hidden;
        transition: max-height 250ms ease;
    }

    .main-nav.is-open { max-height: 400px; }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .main-nav li {
        width: 100%;
        text-align: center;
    }

    .main-nav a {
        display: block;
        padding: .75rem var(--container-pad);
    }

    .nav-cta {
        margin: .5rem var(--container-pad);
    }

    .brand-mark { height: 36px; }
    .brand-name { font-size: 1.25rem; }
    .brand-tag { font-size: 0.65rem; letter-spacing: 0.15em; }

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

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