/* Local Fonts - DSGVO-konform */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('../fonts/inter-light.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/inter-regular.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/inter-medium.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/inter-semibold.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/inter-bold.woff2') format('woff2');
}
/* Space Grotesk als variable Schrift (300–700) – separate Light/Bold-Dateien waren defekt */
@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('../fonts/spacegrotesk-regular.woff2') format('woff2');
}
/* Material Symbols - lokal gehostet (DSGVO), nur genutzte Icons (Subset) */
@font-face {
    font-family: 'Material Symbols Outlined';
    font-style: normal;
    font-weight: 100 700;
    font-display: block;
    src: url('../fonts/material-symbols.woff2?v=20260709b') format('woff2');
}

:root {
    /* Starke Custom-Easings statt der schwachen CSS-Defaults (Emil Kowalski) */
    --ease-out-strong: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out-strong: cubic-bezier(0.77, 0, 0.175, 1);
    --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
}

body {
    background-color: #f9f9f9;
    color: #1a1c1c;
    font-family: 'Inter', sans-serif;
}

h1, h2, h3, .display-title { text-wrap: balance; }
p { text-wrap: pretty; }

/* Logo-SVG responsiv: feste 299px-Breite laeuft sonst auf schmalen Screens ueber.
   Beide href-Varianten noetig: lokal "index.html", live schreibt Netlify (Pretty URLs) zu "/" um */
nav a[href="index.html"] > svg,
nav a[href="/"] > svg {
    width: clamp(180px, 62vw, 299px);
    height: auto;
}
footer a[href="index.html"] > svg,
footer a[href="/"] > svg {
    width: clamp(160px, 62vw, 265px);
    height: auto;
}

/* Skip-Link: unsichtbar bis Tastatur-Fokus, dann als schwarzer Balken oben */
.skip-link {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    background: #000;
    color: #fff;
    padding: 0.75rem 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transform: translateY(-110%);
    transition: transform 0.2s var(--ease-out-strong);
}
.skip-link:focus-visible {
    transform: translateY(0);
    outline-offset: -3px;
    outline-color: #fff;
}

/* Sichtbarer Tastatur-Fokus fuer alle interaktiven Elemente */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #000;
    outline-offset: 3px;
    border-radius: 2px;
}
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s var(--ease-out-strong), transform 0.55s var(--ease-out-strong);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.55s var(--ease-out-strong), transform 0.55s var(--ease-out-strong);
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.55s var(--ease-out-strong), transform 0.55s var(--ease-out-strong);
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-scale {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.55s var(--ease-out-strong), transform 0.55s var(--ease-out-strong);
}
.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays (kurz halten: 60-80ms zwischen Elementen) */
.delay-100 { transition-delay: 70ms; }
.delay-200 { transition-delay: 140ms; }
.delay-300 { transition-delay: 210ms; }
.delay-400 { transition-delay: 280ms; }

/* Smooth scroll */
html { scroll-behavior: smooth; }

/* Nav link hover underline (transform statt width: GPU-beschleunigt) */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #000;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-out-strong);
}
.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Service card hover line (transform statt width: GPU-beschleunigt) */
.service-card {
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #000;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s var(--ease-out-strong);
}
/* Nur auf echten Zeigegeräten – verhindert „klebende" Hover-Effekte nach Tap */
@media (hover: hover) and (pointer: fine) {
    .service-card:hover::before {
        transform: scaleX(1);
    }
}
.service-card:active {
    transform: scale(0.99);
    transition: transform 0.15s var(--ease-out-strong);
}

/* Project card image zoom */
.project-card img {
    transition: transform 0.7s var(--ease-out-strong);
}
@media (hover: hover) and (pointer: fine) {
    .project-card:hover img {
        transform: scale(1.05);
    }
}

/* Blog card image zoom (dezenter als Projekte, gleiche Mechanik) */
.blog-card img {
    transition: transform 0.7s var(--ease-out-strong);
}
@media (hover: hover) and (pointer: fine) {
    .blog-card:hover img {
        transform: scale(1.04);
    }
}

/* Button hover effect (transform statt left: GPU-beschleunigt) */
.btn-primary {
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.16s var(--ease-out-strong);
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #333;
    transform: translateX(-101%);
    transition: transform 0.4s var(--ease-out-strong);
    z-index: -1;
}
@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover::before {
        transform: translateX(0);
    }
}
/* Tactiles Press-Feedback statt nur Hover (Emil Kowalski) */
.btn-primary:active {
    transform: scale(0.97);
}
/* Press-Feedback fuer sekundaere Buttons (z.B. weisser CTA-Button) */
.btn-press {
    transition: transform 0.16s var(--ease-out-strong), background-color 0.2s ease;
}
.btn-press:active {
    transform: scale(0.97);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Mobile menu (iOS-artige Drawer-Kurve) */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.45s var(--ease-drawer);
}
.mobile-menu.open {
    transform: translateX(0);
}

/* FAQ Accordion (grid-template-rows statt max-height: keine Layout-Sprünge, resize-sicher) */
.faq-toggle {
    width: 100%;
    text-align: left;
}
.faq-answer-wrap {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s var(--ease-in-out-strong);
}
.faq-item.open .faq-answer-wrap {
    grid-template-rows: 1fr;
}
.faq-answer {
    overflow: hidden;
    min-height: 0;
    opacity: 0;
    transition: opacity 0.25s ease;
}
.faq-item.open .faq-answer {
    opacity: 1;
}
.faq-answer::after {
    content: '';
    display: block;
    height: 1.5rem;
}
.faq-icon {
    transition: transform 0.3s var(--ease-out-strong);
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

/* Form focus animation */
.form-input {
    /* Reset gegen Tailwind-Forms-Plugin (setzt sonst einen 1px-Rahmen
       auf allen 4 Seiten statt der gewünschten reinen Unterstreichung) */
    border: none;
    border-bottom: 2px solid #c6c6c6;
    border-radius: 0;
    transition: border-color 0.3s ease, box-shadow 0.15s ease;
}
.form-input:focus {
    border-color: #000;
    outline: none;
    box-shadow: none;
}
.form-input:focus-visible {
    outline: 2px solid #000;
    outline-offset: 2px;
}
.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.form-input.error,
.form-input:invalid:not(:placeholder-shown) {
    border-color: #dc2626;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: #fff;
    border-top: 1px solid #e8e8e8;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    transform: translateY(100%);
    transition: transform 0.45s var(--ease-drawer);
}
.cookie-banner.visible {
    transform: translateY(0);
}
.cookie-banner button {
    transition: transform 0.15s ease, opacity 0.2s ease;
}
.cookie-banner button:hover {
    opacity: 0.85;
}
.cookie-banner button:active {
    transform: scale(0.96);
}

/* Reduzierte Bewegung respektieren (Accessibility) */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .service-card::before,
    .project-card img,
    .blog-card img,
    .btn-primary::before,
    .btn-primary,
    .service-card,
    .mobile-menu,
    .cookie-banner,
    .cookie-banner button,
    .form-input,
    .faq-answer,
    .faq-answer-wrap,
    .faq-icon,
    .nav-link::after,
    .skip-link,
    html {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }
}

/* KI-Kennzeichnung (Art. 50 Abs. 4 KI-VO)
   Sichtbares Label direkt am Bild. Die Information fuer Screenreader
   steckt im alt-Text des Bildes, daher ist das Label aria-hidden. */
.ai-label {
    position: absolute;
    bottom: 0.625rem;
    right: 0.625rem;
    z-index: 2;
    padding: 0.3rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(0, 0, 0, 0.72);
    border-radius: 2px;
    pointer-events: none;
}

@supports (backdrop-filter: blur(6px)) {
    .ai-label {
        /* 0.62 haelt den Kontrast auch ueber sehr hellen Bildern ueber 4.5:1 */
        background: rgba(0, 0, 0, 0.62);
        backdrop-filter: blur(6px);
    }
}

/* Abstand für sekundäre Links neben Buttons (fehlt im Tailwind-Build) */
.ml-6 { margin-left: 1.5rem; }

/* Große Seitentitel auf schmalen Handys skalieren, damit lange Wörter nicht überlaufen */
@media (max-width: 480px) {
    .display-title { font-size: clamp(2.25rem, 11.5vw, 3rem); }
    /* lange deutsche Komposita in Überschriften umbrechen statt überlaufen */
    h2, h3 { hyphens: auto; overflow-wrap: break-word; }
}

/* Nur für Screenreader sichtbar (fehlt im Tailwind-Build) */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }