/* ====================================================
   velibra CH - Landing Page Styles
   Brand palette inspired by velibra DE homepage
   ==================================================== */

:root {
    --c-gold: #c0a035;
    --c-gold-dark: #987f2a;
    --c-gold-deep: #342b07;
    --c-cream: #fdefbd;
    --c-cream-soft: #fbf7e9;
    --c-beige: #f6f1e2;
    --c-beige-2: #ece6d3;
    --c-text: #2b2b2b;
    --c-text-soft: #4a4a4a;
    --c-muted: #7a7a7a;
    --c-line: #e6e3d9;
    --c-bg: #ffffff;
    --c-bg-soft: #fbfaf6;
    --c-dark: #1f1d18;

    --radius-sm: 6px;
    --radius: 14px;
    --radius-lg: 24px;

    --shadow-sm: 0 2px 6px rgba(40, 30, 0, 0.06);
    --shadow: 0 12px 32px rgba(40, 30, 0, 0.10);
    --shadow-lg: 0 24px 60px rgba(40, 30, 0, 0.14);

    --ff-sans: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ff-display: "Playfair Display", Georgia, "Times New Roman", serif;

    --container: 1180px;
}

/* ----- Reset / Base ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--ff-sans);
    font-weight: 400;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-gold-dark); text-decoration: none; }
a:hover { color: var(--c-gold); text-decoration: underline; }

h1, h2, h3, h4 {
    font-family: var(--ff-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--c-text);
    margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -0.005em; }
h3 { font-size: 1.2rem; font-family: var(--ff-sans); font-weight: 700; }
p { margin: 0 0 1em; color: var(--c-text-soft); }
.brand { color: var(--c-gold); font-family: var(--ff-display); font-style: italic; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ----- Header ----- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--c-line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
    gap: 24px;
}
.logo-link { display: inline-flex; align-items: center; }
.logo { height: 36px; width: auto; }
.main-nav {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 18px;
    min-width: 0;
}
.main-nav a {
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}
.main-nav a:hover { color: var(--c-gold-dark); text-decoration: none; }
.main-nav .nav-cta {
    color: var(--c-gold-dark);
    font-weight: 700;
    flex-shrink: 0;
    margin-left: 8px;
}
.main-nav .nav-cta:hover { color: var(--c-gold); }

/* ----- Buttons ----- */
.btn {
    display: inline-block;
    border: 0;
    border-radius: 999px;
    padding: 14px 28px;
    font-family: var(--ff-sans);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    line-height: 1.2;
    text-align: center;
}
.btn-primary {
    background: var(--c-gold);
    color: #fff;
    box-shadow: 0 8px 20px rgba(192, 160, 53, 0.35);
}
.btn-primary:hover {
    background: var(--c-gold-dark);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(152, 127, 42, 0.4);
}
.btn-small { padding: 10px 20px; font-size: 0.95rem; }
.btn-full { width: 100%; }

/* ----- Hero ----- */
.hero {
    position: relative;
    padding: 72px 0 96px;
    background:
        radial-gradient(ellipse 80% 60% at 80% 0%, rgba(192, 160, 53, 0.12), transparent 70%),
        linear-gradient(180deg, var(--c-cream-soft) 0%, #ffffff 100%);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    left: -120px;
    bottom: -140px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(192, 160, 53, 0.10) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.eyebrow {
    display: inline-block;
    background: var(--c-cream);
    color: var(--c-gold-deep);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.hero h1 {
    max-width: 9.5em;
    margin-bottom: 16px;
}
.hero .lead {
    font-size: 1.13rem;
    color: var(--c-text-soft);
    margin-bottom: 32px;
    max-width: 38em;
}
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.hero-visual::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(192, 160, 53, 0.16) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.phone-mockup {
    max-width: 320px;
    width: 100%;
    filter: drop-shadow(0 20px 30px rgba(40, 30, 0, 0.18));
    position: relative;
    z-index: 1;
}

/* ----- Invite (Researcher) ----- */
.invite {
    padding: 56px 0;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
}
.invite-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    align-items: center;
}
.invite-portrait img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--c-cream);
    box-shadow: var(--shadow);
}
.quote-mark {
    font-family: var(--ff-display);
    font-size: 4.5rem;
    color: var(--c-gold);
    line-height: 0.5;
    margin: 0 0 10px;
}
.invite-message {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: 1.35rem;
    line-height: 1.5;
    color: var(--c-text);
    margin-bottom: 18px;
    max-width: 38em;
}
.invite-author {
    color: var(--c-muted);
    font-size: 0.95rem;
    margin: 0;
}
.invite-author strong { color: var(--c-text); }

/* ----- Blocks ----- */
.block {
    padding: 96px 0;
    background: #fff;
}
.block-light { background: var(--c-bg-soft); }
.block-cream { background: var(--c-cream-soft); }
.block-dark {
    background: var(--c-dark);
    color: #efe7c8;
}
.block-dark h2, .block-dark h3, .block-dark strong { color: #fff; }
.block-dark p { color: #d8cea6; }
.block-dark .brand { color: var(--c-gold); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-lead { color: var(--c-text-soft); font-size: 1.08rem; }

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.two-col.reverse .col-image { order: 2; }
.two-col.reverse .col-text { order: 1; }
.col-image { display: flex; justify-content: center; align-items: center; }
.col-image .phone-mockup { max-width: 300px; }
.col-image .logo-large {
    max-width: 360px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(192, 160, 53, 0.25);
}

/* ----- Criteria list ----- */
.criteria-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 880px;
    display: grid;
    gap: 16px;
}
.criteria-list li {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    column-gap: 18px;
    align-items: flex-start;
    background: #fff;
    padding: 22px 26px;
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    font-size: 1.02rem;
    color: var(--c-text-soft);
    line-height: 1.55;
}
.criteria-text {
    display: block;
    min-width: 0;
}
.criteria-list strong {
    color: var(--c-text);
    font-weight: 700;
}
.check {
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--c-cream);
    position: relative;
    margin-top: 2px;
}
.check::after {
    content: "";
    position: absolute;
    left: 9px;
    top: 5px;
    width: 8px;
    height: 14px;
    border-right: 3px solid var(--c-gold-dark);
    border-bottom: 3px solid var(--c-gold-dark);
    transform: rotate(45deg);
}

/* ----- Dual block (Was bringen / Was bekommen) ----- */
.dual-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}
.dual-col h2 { margin-bottom: 28px; }
.card-grid { display: grid; gap: 16px; }
.card-grid.two { grid-template-columns: 1fr 1fr; }
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 22px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-line);
}
.card h3 {
    color: var(--c-gold-dark);
    margin-bottom: 8px;
    font-size: 1.05rem;
}
.card p { margin: 0; font-size: 0.96rem; }

/* ----- USPs ----- */
.usp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.usp {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: left;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.usp:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.usp-icon { width: 52px; height: 52px; margin-bottom: 18px; }
.usp h3 { margin-bottom: 8px; font-size: 1.08rem; }
.usp p { margin: 0; font-size: 0.95rem; }

/* ----- Gallery ----- */
.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.gallery-item {
    margin: 0;
    text-align: center;
}
.gallery-item img {
    max-width: 220px;
    margin: 0 auto 14px;
    filter: drop-shadow(0 18px 24px rgba(40, 30, 0, 0.18));
}
.gallery-item figcaption {
    font-size: 0.92rem;
    color: var(--c-text-soft);
    line-height: 1.4;
    max-width: 220px;
    margin: 0 auto;
}

/* ----- Steps ----- */
.steps {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
    display: grid;
    gap: 18px;
    max-width: 820px;
    margin: 0 auto;
}
.steps li {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 22px;
    align-items: start;
    background: #fff;
    padding: 24px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
}
.step-no {
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: 1.9rem;
    color: var(--c-gold);
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--c-cream);
}
.steps h3 { margin-bottom: 4px; font-size: 1.1rem; }
.steps p { margin: 0; font-size: 0.97rem; }

/* ----- Signup + FAQ ----- */
.signup-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: start;
}
.faq-title { font-size: 1.1rem; margin-bottom: 16px; color: var(--c-gold-dark); text-transform: uppercase; letter-spacing: 0.04em; }
.faq details {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    margin-bottom: 12px;
    padding: 0;
    box-shadow: var(--shadow-sm);
}
.faq summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 22px;
    font-weight: 600;
    color: var(--c-text);
    position: relative;
    padding-right: 48px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--c-gold);
    line-height: 1;
    transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details p {
    padding: 0 22px 20px;
    margin: 0;
    color: var(--c-text-soft);
    font-size: 0.97rem;
}

.form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
    border: 1px solid var(--c-line);
}
.form-card h3 { font-size: 1.4rem; font-family: var(--ff-display); }
.form-lead { color: var(--c-text-soft); font-size: 0.97rem; margin-bottom: 22px; }
.signup-form { display: grid; gap: 16px; }
.signup-form label {
    display: grid;
    gap: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--c-text);
}
.signup-form label > span { font-weight: 600; }
.signup-form .field-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.875rem;
    font-weight: 400;
    color: #5a6b7c;
    line-height: 1.4;
}
.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="tel"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-sm);
    background: var(--c-bg-soft);
    font: inherit;
    color: var(--c-text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.signup-form input:focus {
    outline: none;
    border-color: var(--c-gold);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(192, 160, 53, 0.18);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.signup-form label.checkbox {
    grid-template-columns: 22px 1fr;
    align-items: start;
    font-weight: 400;
    font-size: 0.92rem;
    color: var(--c-text-soft);
    line-height: 1.45;
}
.signup-form label.checkbox input { margin-top: 3px; accent-color: var(--c-gold); }
.form-note {
    font-size: 0.82rem;
    color: var(--c-muted);
    margin: 4px 0 0;
}

/* ----- Contact ----- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.contact-card {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.contact-portrait {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
    border: 4px solid var(--c-cream);
}
.contact-portrait.placeholder {
    background: var(--c-cream) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23c0a035'><path d='M12 12c2.7 0 5-2.3 5-5s-2.3-5-5-5-5 2.3-5 5 2.3 5 5 5zm0 2c-3.3 0-10 1.7-10 5v3h20v-3c0-3.3-6.7-5-10-5z'/></svg>") center/55% no-repeat;
}
.contact-card h3 { margin-bottom: 4px; font-size: 1.05rem; }
.contact-card p { margin: 0; color: var(--c-text-soft); font-size: 0.95rem; }
.contact-info { display: flex; flex-direction: column; justify-content: center; }
.contact-hours { font-weight: 700; color: var(--c-gold-dark); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.85rem; }

/* ----- Footer ----- */
.site-footer {
    background: var(--c-dark);
    color: #c8c0a0;
    padding: 64px 0 24px;
    font-size: 0.92rem;
}
.site-footer a { color: var(--c-gold); }
.site-footer a:hover { color: #efe7c8; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-col p { color: #c8c0a0; margin: 0 0 8px; }
.footer-col strong { color: #fff; }
.footer-logo { height: 32px; margin-bottom: 16px; filter: brightness(1.05); }
.footer-tagline { font-style: italic; color: #efe7c8; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 48px;
    padding-top: 20px;
    font-size: 0.82rem;
    color: #8d8569;
    text-align: center;
}
.footer-bottom p { margin: 0; color: inherit; }

/* ----- Responsive ----- */
@media (max-width: 1024px) {
    .usp-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .dual-block { gap: 48px; }
}

/* Ab hier reichen die langen DE-Labels nicht mehr in eine Zeile:
   Text-Links ausblenden, CTA behalten. */
@media (max-width: 780px) {
    .main-nav a:not(.nav-cta) { display: none; }
    .main-nav { gap: 0; }
    .main-nav .nav-cta { margin-left: 0; }
}

@media (max-width: 820px) {
    body { font-size: 16px; }
    .block { padding: 64px 0; }
    .hero { padding: 56px 0 72px; }
    .hero-grid { grid-template-columns: 1fr; gap: 36px; text-align: left; }
    .hero-visual::before { width: 280px; height: 280px; }
    .phone-mockup { max-width: 260px; }

    .header-inner { justify-content: space-between; }

    .invite-grid { grid-template-columns: 1fr; text-align: center; gap: 24px; }
    .invite-portrait img { width: 160px; height: 160px; margin: 0 auto; }
    .invite-message { font-size: 1.15rem; }

    .two-col { grid-template-columns: 1fr; gap: 36px; }
    .two-col.reverse .col-image,
    .two-col.reverse .col-text { order: initial; }

    .dual-block { grid-template-columns: 1fr; gap: 56px; }
    .card-grid.two { grid-template-columns: 1fr; }

    .signup-grid { grid-template-columns: 1fr; gap: 36px; }

    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { text-align: left; }

    .form-row { grid-template-columns: 1fr; }
    .form-card { padding: 28px; }

    .steps li { grid-template-columns: 48px 1fr; gap: 16px; padding: 20px; }
    .step-no { width: 44px; height: 44px; font-size: 1.5rem; }
}

@media (max-width: 560px) {
    .usp-grid { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: 1fr; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    .section-head { margin-bottom: 36px; }
    .criteria-list li { padding: 18px 20px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---- Signup: Honeypot, Status, Success ------------------------------------ */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

.signup-form input.is-valid {
    border-color: var(--sage-strong, #6f9884);
}
.signup-form input.is-invalid {
    border-color: #c0392b;
}

.signup-status {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    margin: 0 0 8px;
}
.signup-status--error {
    background: #fdecea;
    color: #7a1f18;
    border: 1px solid #f2b8b0;
}
.signup-status--success {
    background: #eaf5ef;
    color: #1e4d33;
    border: 1px solid #b7d9c4;
}

.signup-success {
    padding: 28px;
    text-align: center;
}
.signup-success h3 {
    margin-top: 0;
    color: var(--brand-dark, #2c3e50);
}
.signup-success p {
    color: #4a5b6c;
    line-height: 1.55;
    margin-bottom: 0;
}

/* ---- Cookie Banner -------------------------------------------------------- */
.cookie-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    color: #1f2d3a;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 14px;
    padding: 22px 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.18);
    z-index: 1000;
    font-size: 0.95rem;
    line-height: 1.5;
}
.cookie-banner[hidden] { display: none; }

.cookie-banner__title {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: var(--brand-dark, #2c3e50);
}
.cookie-banner__text { margin: 0 0 14px; }
.cookie-banner__text a { color: inherit; text-decoration: underline; }

.cookie-banner__options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 12px 0 16px;
    padding: 14px;
    background: #f7f4ef;
    border-radius: 10px;
}
.cookie-banner__options[hidden] { display: none; }

.cookie-option {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 10px;
    align-items: start;
    font-size: 0.92rem;
    line-height: 1.45;
}
.cookie-option input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
}

.cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}
.cookie-banner__actions .btn-ghost {
    background: transparent;
    color: var(--brand-dark, #2c3e50);
    border: 1px solid rgba(0,0,0,0.15);
}
.cookie-banner__actions .btn-ghost:hover {
    background: rgba(0,0,0,0.04);
}

/* Datenschutz-Einstellungen als Link im Footer */
.link-btn {
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}

@media (max-width: 560px) {
    .cookie-banner { left: 8px; right: 8px; bottom: 8px; padding: 18px; }
    .cookie-banner__actions { justify-content: stretch; }
    .cookie-banner__actions .btn { flex: 1 1 40%; }
}