/* =============================================
   CSS Custom Properties — Haus & Verwaltungstechnik BRUNO
   Brand-Orange: #E8872A  |  Brand-Grün: #335A48
   ============================================= */
:root {
    --clr-primary:        #E8872A;
    --clr-primary-dark:   #C57020;
    --clr-primary-light:  #FDF3E7;
    --clr-secondary:      #335A48;
    --clr-secondary-dark: #264436;
    --clr-secondary-light:#EAF0EC;

    --clr-dark:   #1A1A1A;
    --clr-dark-2: #2D2D2D;
    --clr-gray-1: #4A4A4A;
    --clr-gray-2: #737373;
    --clr-gray-3: #B0B0B0;
    --clr-gray-4: #E8E8E8;
    --clr-light:  #F7F7F7;
    --clr-white:  #FFFFFF;

    --font-head: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;

    --sp-1:  0.25rem;
    --sp-2:  0.5rem;
    --sp-3:  0.75rem;
    --sp-4:  1rem;
    --sp-5:  1.5rem;
    --sp-6:  2rem;
    --sp-7:  3rem;
    --sp-8:  4rem;
    --sp-9:  6rem;

    --wrap: 1200px;
    --pad:  clamp(1rem, 4vw, 2rem);

    --r-sm:   3px;
    --r-md:   6px;
    --r-lg:   8px;
    --r-xl:   10px;
    --r-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.07);
    --shadow-md: 0 2px 8px rgba(0,0,0,.09);
    --shadow-lg: 0 4px 16px rgba(0,0,0,.11);

    --nav-h: 72px;
    --ease:  .2s ease;
}

/* =============================================
   Reset
   ============================================= */
*, *::before, *::after { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
}
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--clr-dark);
    background: var(--clr-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; margin: 0; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
button { cursor: pointer; font-family: inherit; }

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
}
h1 { font-size: clamp(2rem,   5vw,  3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

/* =============================================
   Layout
   ============================================= */
.container {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--pad);
}

.section         { padding: var(--sp-9) 0; }
.section--gray   { background: var(--clr-light); }
.section--dark   { background: var(--clr-dark); color: var(--clr-white); }

.section-header  { text-align: left; margin-bottom: var(--sp-7); }
.section-header h2 { margin-bottom: var(--sp-3); }
.section-header > p {
    font-size: 1.05rem;
    color: var(--clr-gray-1);
    max-width: 640px;
}
.section-cta { margin-top: var(--sp-7); }

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: .02em;
    padding: .7rem 1.5rem;
    border-radius: var(--r-md);
    border: 2px solid transparent;
    transition: background var(--ease), color var(--ease), border-color var(--ease);
    white-space: nowrap;
    min-height: 44px;
}

.btn--lg { font-size: 1.05rem; padding: .9rem 2rem; }

.btn--primary {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}
.btn--primary:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); }

.btn--secondary {
    background: var(--clr-secondary);
    color: var(--clr-white);
    border-color: var(--clr-secondary);
}
.btn--secondary:hover { background: var(--clr-secondary-dark); border-color: var(--clr-secondary-dark); }

.btn--outline {
    background: transparent;
    color: var(--clr-white);
    border-color: rgba(255,255,255,.7);
}
.btn--outline:hover { background: rgba(255,255,255,.12); border-color: var(--clr-white); }

.btn--white {
    background: var(--clr-white);
    color: var(--clr-primary);
    border-color: var(--clr-white);
}
.btn--white:hover { background: var(--clr-primary-light); }

.btn--outline-white {
    background: transparent;
    color: var(--clr-white);
    border-color: var(--clr-white);
}
.btn--outline-white:hover { background: rgba(255,255,255,.12); }

/* =============================================
   Navigation
   ============================================= */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-gray-4);
    box-shadow: var(--shadow-sm);
    height: var(--nav-h);
    transition: box-shadow var(--ease);
}
.nav.scrolled { box-shadow: var(--shadow-md); }

.nav__inner {
    height: var(--nav-h);
    display: flex;
    align-items: center;
    gap: var(--sp-5);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.nav__logo img { height: 44px; width: auto; flex-shrink: 0; }

.nav__brand {
    display: flex;
    flex-direction: column;
    gap: 1px;
    line-height: 1;
}
.nav__brand-name {
    font-weight: 900;
    font-size: 1.15rem;
    color: var(--clr-primary);
    letter-spacing: .04em;
}
.nav__brand-sub {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--clr-gray-2);
    letter-spacing: .02em;
    white-space: nowrap;
}

@media (max-width: 479px) {
    .nav__brand-sub { display: none; }
}
@media (max-width: 359px) {
    .nav__brand-name { font-size: 1rem; }
}

.nav__links {
    margin-left: auto;
}
.nav__links ul {
    display: flex;
    gap: var(--sp-5);
}
.nav__links a {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-gray-1);
    padding: var(--sp-2) 0;
    position: relative;
    transition: color var(--ease);
}
.nav__links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0; right: 0;
    height: 2px;
    background: var(--clr-primary);
    transform: scaleX(0);
    transition: transform var(--ease);
}
.nav__links a:hover,
.nav__links a.active { color: var(--clr-primary); }
.nav__links a.active::after { transform: scaleX(1); }

.nav__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-left: var(--sp-4);
    flex-shrink: 0;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1rem;
    color: var(--clr-dark);
    padding: .5rem .9rem;
    border: 2px solid var(--clr-primary);
    border-radius: var(--r-md);
    transition: background var(--ease), color var(--ease);
}
.nav__phone svg { fill: var(--clr-primary); flex-shrink: 0; }
.nav__phone:hover { background: var(--clr-primary); color: var(--clr-white); }
.nav__phone:hover svg { fill: var(--clr-white); }

.nav__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    padding: var(--sp-2);
    margin-left: auto;
}
.nav__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--clr-dark);
    border-radius: 2px;
    transition: all .25s ease;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--clr-white);
    border-top: 1px solid var(--clr-gray-4);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-5) var(--pad) var(--sp-6);
    gap: var(--sp-5);
    flex-direction: column;
    align-items: flex-start;
}
.nav__mobile.open { display: flex; }
.nav__mobile ul { display: flex; flex-direction: column; gap: var(--sp-3); width: 100%; }
.nav__mobile a {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--clr-dark);
    padding: var(--sp-2) 0;
    border-bottom: 1px solid var(--clr-gray-4);
    display: block;
    width: 100%;
    transition: color var(--ease);
}
.nav__mobile a.active,
.nav__mobile a:hover { color: var(--clr-primary); }
.nav__mobile .btn {
    width: calc(100% + 2 * var(--pad));
    margin-left: calc(-1 * var(--pad));
    margin-right: calc(-1 * var(--pad));
    margin-bottom: calc(-1 * var(--sp-6));
    border-radius: 0;
    border-top: 1px solid rgba(255,255,255,.25);
    padding: var(--sp-4) var(--pad);
    justify-content: center;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .nav__links { display: none; }
    .nav__burger { display: flex; margin-left: 0; }
    /* Telefon bleibt auch mobil dauerhaft sichtbar (Nav ist sticky) */
    .nav__phone { margin-left: auto; padding: .45rem .7rem; font-size: 0.92rem; }
}
@media (max-width: 479px) {
    /* Nummer bleibt lesbar, dafür entfällt das Icon */
    .nav__phone svg { display: none; }
    .nav__phone { padding: .45rem .55rem; font-size: 0.85rem; border-width: 1px; }
}

/* =============================================
   Hero (Startseite) — zweispaltig, Text links, Foto rechts
   ============================================= */
.hero {
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-gray-4);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--sp-8);
    align-items: center;
    padding-top: var(--sp-8);
    padding-bottom: var(--sp-8);
}
.hero__text h1 {
    font-size: clamp(1.9rem, 4.2vw, 2.9rem);
    line-height: 1.15;
    margin-bottom: var(--sp-5);
    max-width: 620px;
}
.hero__sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--clr-gray-1);
    max-width: 560px;
    margin-bottom: var(--sp-6);
}
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    margin-bottom: var(--sp-6);
}
.hero__facts {
    font-size: 0.9rem;
    color: var(--clr-gray-2);
    border-top: 1px solid var(--clr-gray-4);
    padding-top: var(--sp-4);
    margin: 0;
}
.hero__media { margin: 0; }
.hero__media img {
    width: 100%;
    height: auto;
    border-radius: var(--r-lg);
}

@media (max-width: 820px) {
    .hero__inner { grid-template-columns: 1fr; gap: var(--sp-6); }
    .hero__media { max-width: 480px; }
}

/* =============================================
   Intro-Strip (Startseite)
   ============================================= */
.intro-strip {
    background: var(--clr-secondary);
    color: var(--clr-white);
    padding: var(--sp-6) 0;
}
.intro-strip p {
    max-width: 820px;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

/* =============================================
   Service Cards (Startseite) — Foto statt Icon
   ============================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--sp-5);
}
.service-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-gray-4);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding-bottom: var(--sp-5);
    transition: border-color var(--ease);
}
.service-card__media {
    margin: 0 0 var(--sp-2);
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border-bottom: 1px solid var(--clr-gray-4);
}
.service-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.service-card h3 { font-size: 1.1rem; color: var(--clr-dark); padding: 0 var(--sp-5); }
.service-card p  { font-size: 0.92rem; color: var(--clr-gray-1); flex: 1; padding: 0 var(--sp-5); }
.service-card__link {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--clr-primary);
    margin-top: auto;
    padding: 0 var(--sp-5);
}
.service-card__link:hover { text-decoration: underline; }

/* Hervorgehobene Leistung (Entrümpelung & Entsorgung) */
.service-card--featured {
    position: relative;
    border: 2px solid var(--clr-primary);
    box-shadow: var(--shadow-lg);
}
.service-card--featured .service-card__media { border-bottom-color: var(--clr-primary); }
.service-card__badge {
    position: absolute;
    top: var(--sp-3);
    left: var(--sp-3);
    z-index: 1;
    background: var(--clr-primary);
    color: var(--clr-white);
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--r-full);
    box-shadow: var(--shadow-sm);
}

/* =============================================
   Zielgruppen (Startseite)
   ============================================= */
.audience__inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: var(--sp-8);
    align-items: start;
}
.audience__main h2 { margin-bottom: var(--sp-4); max-width: 560px; }
.audience__main p  { color: var(--clr-gray-1); max-width: 620px; }
.audience__side {
    background: var(--clr-white);
    border-left: 4px solid var(--clr-primary);
    border-radius: var(--r-sm);
    padding: var(--sp-5) var(--sp-6);
}
.audience__side h3 { margin-bottom: var(--sp-3); }
.audience__side p  { font-size: 0.95rem; color: var(--clr-gray-1); margin-bottom: var(--sp-3); }
.audience__side .service-card__link { padding: 0; }

@media (max-width: 820px) {
    .audience__inner { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* =============================================
   About Teaser (Startseite)
   ============================================= */
.about-teaser__inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--sp-8);
    align-items: center;
}
.about-teaser__image img {
    border-radius: var(--r-lg);
    width: 100%;
    height: auto;
    border: 1px solid var(--clr-gray-4);
}
.about-teaser__text h2 { margin: var(--sp-3) 0 var(--sp-5); }
.about-teaser__text p  { color: var(--clr-gray-1); margin-bottom: var(--sp-4); }
.about-teaser__text .btn { margin-top: var(--sp-3); }

@media (max-width: 768px) {
    .about-teaser__inner { grid-template-columns: 1fr; }
}

/* =============================================
   CTA Banner
   ============================================= */
.cta-banner {
    background: var(--clr-secondary);
    padding: var(--sp-8) 0;
}
.cta-banner__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
}
.cta-banner__text h2 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--clr-white);
    margin-bottom: var(--sp-2);
}
.cta-banner__text p  { color: rgba(255,255,255,.85); max-width: 520px; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

/* =============================================
   Page Hero (Unterseiten)
   ============================================= */
.page-hero {
    background: var(--clr-light);
    border-bottom: 1px solid var(--clr-gray-4);
    padding: var(--sp-8) 0 var(--sp-7);
}
.page-hero h1 { margin-bottom: var(--sp-4); max-width: 700px; }
.page-hero p  { font-size: 1.05rem; color: var(--clr-gray-1); max-width: 640px; }

/* =============================================
   Footer
   ============================================= */
.footer {
    background: var(--clr-secondary);
    color: rgba(255,255,255,.85);
}
.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--sp-7);
    padding-top: var(--sp-8);
    padding-bottom: var(--sp-7);
}
.footer__brand img { margin-bottom: var(--sp-4); max-height: 64px; width: auto; }
.footer__brand p   { font-size: 0.88rem; line-height: 1.6; }

.footer__nav h3,
.footer__services h3,
.footer__contact h3 {
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--clr-white);
    margin-bottom: var(--sp-4);
}
.footer__nav ul,
.footer__services ul,
.footer__contact ul { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__nav a,
.footer__contact a   { font-size: 0.9rem; transition: color var(--ease); }
.footer__nav a:hover,
.footer__contact a:hover { color: var(--clr-primary); }
.footer__services li,
.footer__contact li { font-size: 0.9rem; }

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,.15);
    background: var(--clr-secondary-dark);
}
.footer__bottom-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding-top: var(--sp-4);
    padding-bottom: var(--sp-4);
    font-size: 0.82rem;
    color: rgba(255,255,255,.5);
}
.footer__bottom nav { display: flex; gap: var(--sp-4); }
.footer__bottom a   { transition: color var(--ease); }
.footer__bottom a:hover { color: var(--clr-primary); }
.footer__credit { color: rgba(255,255,255,.4); }
.footer__credit a { color: rgba(255,255,255,.6); font-weight: 600; }
.footer__credit a:hover { color: var(--clr-primary); }

@media (max-width: 900px) {
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: span 2; }
}
@media (max-width: 540px) {
    .footer__inner { grid-template-columns: 1fr; }
    .footer__brand { grid-column: auto; }
    .footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-2); }
}

/* =============================================
   Hover-Effekte — dezent, nur Farbe/Unterstreichung
   ============================================= */
@media (hover: hover) {
    .service-card:hover { border-color: var(--clr-gray-3); }
    .service-card--featured:hover { border-color: var(--clr-primary-dark); }
}

/* =============================================
   Reduzierte Bewegung: Transitions global abschalten
   ============================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* =============================================
   Error 404
   ============================================= */
.error-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
}
.error-page__inner { text-align: center; width: 100%; }
.error-page__code {
    display: block;
    font-family: var(--font-head);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 900;
    color: var(--clr-primary);
    line-height: 1;
    margin-bottom: var(--sp-4);
    opacity: .2;
}
.error-page h1 { margin-bottom: var(--sp-4); }
.error-page p  { color: var(--clr-gray-1); max-width: 480px; margin: 0 auto var(--sp-6); }
.error-page__links { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; }