/* ==========================================================================
   erkanes.de – minimalistisch, dunkel, eine Akzentfarbe
   ========================================================================== */

:root {
    --bg: #0a0a0b;
    --bg-raised: #121214;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);
    --text: #ededed;
    --muted: #8b8b92;
    --accent: #c6ff3d;            /* wird aus config.php überschrieben */
    --accent-ink: #0a0a0b;
    --danger: #ff6b6b;

    --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;

    --gutter: clamp(1rem, 5vw, 4rem);
    --max: 72rem;
    --radius: 14px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: inherit; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- Hintergrund: Punktefeld + Lichtkegel am Mauszeiger ---------- */

.dots {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 40rem;
    height: 40rem;
    margin: -20rem 0 0 -20rem;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 9%, transparent) 0%, transparent 60%);
    transform: translate3d(var(--gx, 50vw), var(--gy, 30vh), 0);
    z-index: -1;
    pointer-events: none;
    transition: opacity 0.6s;
}

/* ---------- Navigation ---------- */

.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem var(--gutter);
    transition: background 0.3s, border-color 0.3s, padding 0.3s;
    border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
    padding-block: 0.75rem;
    background: rgba(10, 10, 11, 0.72);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-color: var(--line);
}

.nav__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--mono);
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav__mark {
    display: grid;
    place-items: center;
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 8px;
    background: var(--accent);
    color: var(--accent-ink);
    font-family: var(--font);
    font-weight: 800;
    transition: transform 0.4s var(--ease);
}

.nav__logo:hover .nav__mark { transform: rotate(-8deg) scale(1.06); }

.nav__links {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 3vw, 2rem);
    font-size: 0.9rem;
}

.nav__links a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.nav__links a:hover { color: var(--text); }

.nav__links .nav__cta {
    color: var(--text);
    padding: 0.45rem 0.95rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    transition: border-color 0.2s, background 0.2s;
}

.nav__links .nav__cta:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

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

.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: var(--max);
    margin: 0 auto;
    padding: 7rem var(--gutter) 5rem;
}

.hero__title {
    margin: 0;
    font-size: clamp(2.6rem, 8.5vw, 6.5rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.hero__greeting {
    display: block;
    margin-bottom: 0.35em;
    font-size: 0.32em;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--muted);
}

.rotator {
    display: inline-block;
    color: var(--accent);
    white-space: nowrap;
}

.rotator::after {
    content: "";
    display: inline-block;
    width: 0.06em;
    height: 0.85em;
    margin-left: 0.06em;
    vertical-align: -0.05em;
    background: var(--accent);
    animation: blink 1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero__actions {
    display: flex;
    margin-top: 2.75rem;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.scroll-hint {
    position: absolute;
    left: var(--gutter);
    bottom: 2rem;
    width: 1.4rem;
    height: 2.2rem;
    border: 1.5px solid var(--line-strong);
    border-radius: 999px;
}

.scroll-hint span {
    position: absolute;
    top: 0.4rem;
    left: 50%;
    width: 3px;
    height: 0.45rem;
    margin-left: -1.5px;
    border-radius: 2px;
    background: var(--text);
    animation: scroll 1.8s var(--ease) infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    80%, 100% { transform: translateY(0.8rem); opacity: 0; }
}

/* ---------- Buttons ---------- */

.btn {
    --mx: 0px;
    --my: 0px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.5rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transform: translate3d(var(--mx), var(--my), 0);
    transition: transform 0.35s var(--ease), background 0.2s, border-color 0.2s, box-shadow 0.3s, opacity 0.2s;
}

.btn--primary {
    background: var(--accent);
    color: var(--accent-ink);
}

.btn--primary:hover {
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 18%, transparent),
                0 10px 40px -10px color-mix(in srgb, var(--accent) 60%, transparent);
}

.btn--ghost {
    border-color: var(--line-strong);
    color: var(--text);
}

.btn--ghost:hover { border-color: var(--text); }

.btn span[aria-hidden] { transition: transform 0.3s var(--ease); }
.btn:hover span[aria-hidden] { transform: translateX(4px); }

.btn[disabled] { opacity: 0.6; cursor: progress; }

/* ---------- Abschnitte ---------- */

.section {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(5rem, 12vw, 9rem) var(--gutter);
    border-top: 1px solid var(--line);
}

.eyebrow {
    margin: 0 0 1.5rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    color: var(--accent);
}

.section__title {
    margin: 0 0 3rem;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.section__title--big {
    font-size: clamp(2.6rem, 9vw, 6rem);
    letter-spacing: -0.05em;
}

.section__title em {
    font-style: normal;
    color: var(--accent);
}

/* ---------- Kontaktformular ---------- */

.form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
    max-width: 48rem;
}

.field--full { grid-column: 1 / -1; }

.form__trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Schwebende Beschriftung: Label rutscht nach oben, sobald etwas drinsteht */
.field {
    position: relative;
}

.field input,
.field textarea {
    width: 100%;
    padding: 1.6rem 0 0.6rem;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    color: var(--text);
    font: inherit;
    font-size: 1.1rem;
    resize: vertical;
    transition: border-color 0.25s;
}

.field textarea { min-height: 7rem; }

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.field label {
    position: absolute;
    left: 0;
    top: 1.6rem;
    color: var(--muted);
    pointer-events: none;
    transform-origin: left top;
    transition: transform 0.3s var(--ease), color 0.3s;
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
    transform: translateY(-1.35rem) scale(0.78);
    color: var(--accent);
}

.field.is-invalid input,
.field.is-invalid textarea { border-color: var(--danger); }

.consent {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.85rem;
    color: var(--muted);
    cursor: pointer;
}

.consent input {
    flex: none;
    width: 1.1rem;
    height: 1.1rem;
    margin: 0.15rem 0 0;
    accent-color: var(--accent);
}

.form__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    margin-top: 0.75rem;
}

.form__status {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

.form__status.is-ok { color: var(--accent); }
.form__status.is-error { color: var(--danger); }

.social {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 4rem 0 0;
    padding: 0;
    list-style: none;
    font-family: var(--mono);
    font-size: 0.9rem;
}

.social a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.social a:hover { color: var(--accent); }

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

.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--max);
    margin: 0 auto;
    padding: 2rem var(--gutter) 2.5rem;
    border-top: 1px solid var(--line);
    font-size: 0.85rem;
    color: var(--muted);
}

.footer nav {
    display: flex;
    gap: 1.5rem;
}

.footer a {
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ---------- Rechtliche Seiten ---------- */

.legal {
    max-width: 44rem;
    margin: 0 auto;
    padding: 9rem var(--gutter) 5rem;
}

.legal h1 {
    margin: 0 0 2.5rem;
    font-size: clamp(2.2rem, 6vw, 3.5rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.legal h2 {
    margin: 2.5rem 0 0.75rem;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.legal p { color: var(--muted); }
.legal a { color: var(--accent); }

.legal__note {
    padding: 0.75rem 1rem;
    border: 1px dashed var(--line-strong);
    border-radius: 10px;
    font-size: 0.88rem;
}

/* ---------- Einblenden beim Scrollen ---------- */

.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    filter: blur(6px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease);
    transition-delay: var(--delay, 0s);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
    filter: none;
}

/* ---------- Mobil ---------- */

@media (max-width: 760px) {
    .form { grid-template-columns: 1fr; }
    .scroll-hint { display: none; }
}

/* ---------- Weniger Bewegung, wenn gewünscht ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .js .reveal { opacity: 1; transform: none; filter: none; }
    .glow, .dots { display: none; }
}