/* =========================================================================
   Rathner – OnePager
   Schlicht & edel: Weiß / Dunkelblau-Akzent / Grau, Serifen-Headlines.
   ====================================================================== */

:root {
    --navy:        #0f2544;
    --navy-800:    #0a1b34;
    --navy-600:    #1c3a63;
    --ink-900:     #1a2230;
    --ink-600:     #5b6472;
    --ink-400:     #8a929e;
    --line:        #e3e6eb;
    --gray-50:     #f4f5f7;
    --white:       #ffffff;

    --font-serif:  'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --container:   1080px;
    --radius:      3px;
}

/* -------------------------------------------------------------- Base --- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    color: var(--ink-900);
    background: var(--white);
    line-height: 1.7;
    font-size: 1.0625rem;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--container); }

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--navy);
    line-height: 1.2;
    letter-spacing: .005em;
}

h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin: 0; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.3rem; }

p { margin: 0 0 1.15rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--navy-600); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--navy); }

strong { font-weight: 600; }
em { font-style: italic; }

/* ---------------------------------------------------------- Eyebrow --- */
.eyebrow {
    text-transform: uppercase;
    letter-spacing: .22em;
    font-size: .72rem;
    font-weight: 600;
    color: var(--ink-400);
    margin: 0 0 1rem;
}
.eyebrow--light { color: rgba(255, 255, 255, .6); }

/* ---------------------------------------------------------- Buttons --- */
.btn {
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: .02em;
    border-radius: var(--radius);
    padding: .7rem 1.6rem;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-lg { padding: .85rem 2rem; font-size: 1rem; }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }

.btn-accent {
    background: var(--navy);
    border: 1px solid var(--navy);
    color: #fff;
}
.btn-accent:hover,
.btn-accent:focus-visible { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

.btn-outline-accent {
    background: transparent;
    border: 1px solid var(--navy);
    color: var(--navy);
}
.btn-outline-accent:hover,
.btn-outline-accent:focus-visible { background: var(--navy); color: #fff; }

.btn.disabled, .btn:disabled { opacity: .5; pointer-events: none; }

/* ----------------------------------------------------------- Navbar --- */
#mainNav {
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, box-shadow .2s ease;
    padding: .55rem 0;
}
#mainNav.is-scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 1px 12px rgba(15, 37, 68, .05);
}
.navbar-brand .brand-name {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--navy);
    letter-spacing: .01em;
}
#mainNav .nav-link {
    color: var(--ink-600);
    font-size: .9rem;
    font-weight: 500;
    padding: .4rem .85rem;
    letter-spacing: .01em;
}
#mainNav .nav-link:hover,
#mainNav .nav-link.active { color: var(--navy); }

/* Horizontale Navi (ab xl – darunter reicht der Platz neben dem langen
   Buchtitel nicht): Leiste breiter als der Inhalt, Labels einzeilig. */
@media (min-width: 1200px) {
    #mainNav .container { max-width: 1320px; }
    #mainNav .nav-link { white-space: nowrap; padding: .4rem .6rem; }
    .navbar-brand .brand-name { font-size: 1.3rem; }
    #mainNav .btn { white-space: nowrap; }
    /* „Bestellen" steht hier schon als Button daneben */
    #mainNav .nav-link[href$="#bestellen"] { display: none; }
}

.navbar-toggler { border: none; padding: .25rem; }
.navbar-toggler:focus { box-shadow: none; }

/* ------------------------------------------------------------- Hero --- */
.hero {
    padding: 10rem 0 5.5rem;
    border-bottom: 1px solid var(--line);
}
.hero-title {
    font-size: clamp(2.2rem, 4.6vw, 3.5rem);
    margin: 0 0 1.5rem;
}
.hero-title em { color: var(--navy-600); }
.hero-lead {
    font-size: 1.2rem;
    color: var(--ink-600);
    max-width: 34em;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
    margin: 2rem 0 1.75rem;
}
.hero-meta {
    font-size: .95rem;
    color: var(--ink-400);
    max-width: 32em;
}

/* -------------------------------------------------------- Book cover --- */
.book-cover { margin: 0; }
.book-cover img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 30px 60px -20px rgba(15, 37, 68, .3);
}
.book-cover__placeholder {
    aspect-ratio: 3 / 4;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-800) 100%);
    border-radius: var(--radius);
    box-shadow: 0 30px 60px -20px rgba(15, 37, 68, .35);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: .5rem;
    padding: 2.5rem;
    color: #fff;
    text-align: center;
}
.book-cover__label {
    text-transform: uppercase;
    letter-spacing: .22em;
    font-size: .7rem;
    color: rgba(255, 255, 255, .5);
}
.book-cover__title { font-family: var(--font-serif); font-size: 1.7rem; font-weight: 600; }
.book-cover__sub { color: rgba(255, 255, 255, .7); font-size: .95rem; }
.book-cover__author {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, .2);
    font-size: .9rem;
    letter-spacing: .05em;
}

/* --------------------------------------------------------- Sections --- */
.section { padding: 5.5rem 0; }
.section--alt { background: var(--gray-50); }
.section--accent { background: var(--navy); color: rgba(255, 255, 255, .85); }
.section--accent h2 { color: #fff; }
.section--accent a:not(.btn) { color: #fff; text-decoration: underline; }

.section-head { margin-bottom: 2.75rem; max-width: 42rem; }
.section-intro {
    font-size: 1.15rem;
    color: var(--ink-600);
    max-width: 40rem;
    margin-bottom: 2rem;
}
.section--accent .section-intro { color: rgba(255, 255, 255, .8); }
.section-note {
    font-size: .92rem;
    color: var(--ink-400);
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}
.section--accent .section-note {
    color: rgba(255, 255, 255, .55);
    border-top-color: rgba(255, 255, 255, .15);
}
.subheading {
    margin: 3.5rem 0 1.75rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------- Quotes --- */
.pull-quote {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    line-height: 1.45;
    color: var(--navy);
    border-left: 2px solid var(--navy);
    padding: .25rem 0 .25rem 1.5rem;
    margin: 1.75rem 0 0;
}
.quote {
    background: var(--gray-50);
    border-left: 3px solid var(--navy);
    padding: 2.25rem 2.5rem;
    margin: 2rem 0 0;
    border-radius: 0 var(--radius) var(--radius) 0;
}
.section--alt .quote { background: #fff; }
.quote p {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.5;
    color: var(--ink-900);
}
.quote footer {
    font-family: var(--font-sans);
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--ink-400);
    margin-top: 1rem;
}
.reading-note {
    font-size: .92rem;
    color: var(--ink-400);
    font-style: italic;
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
}

/* -------------------------------------------------------- Checklist --- */
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
    position: relative;
    padding: .55rem 0 .55rem 1.9rem;
    border-bottom: 1px solid var(--line);
    color: var(--ink-600);
}
.checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.15rem;
    width: 9px;
    height: 9px;
    border: 1.5px solid var(--navy);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
}

/* ---------------------------------------------------- Audience cards --- */
.audience-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    height: 100%;
}
.audience-card h4 { margin: 0 0 .85rem; }
.audience-card p { color: var(--ink-600); font-size: .98rem; margin: 0; }

/* ---------------------------------------------------- Author section --- */
.author-photo { margin: 0; }
.author-photo img,
.author-photo__placeholder {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius);
    background: var(--gray-50);
}
.author-photo__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--line);
    color: var(--ink-400);
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .75rem;
}
.author-photo figcaption {
    margin-top: 1rem;
    font-size: .9rem;
    color: var(--ink-600);
    line-height: 1.5;
}
.author-photo figcaption strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--navy);
    font-weight: 600;
}

/* ------------------------------------------------------ Download cards --- */
.download-card {
    background: var(--gray-50);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.download-card h3 { margin: 0 0 1rem; }
.download-card p { color: var(--ink-600); font-size: .98rem; }
.download-card .btn { margin-top: auto; align-self: flex-start; }

.download-card h2 { font-size: 1.5rem; margin: 0 0 1rem; }

/* ------------------------------------------------------ Download page --- */
.page-main { padding: 9rem 0 5rem; }
.page-main h1 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin: 0; }
.page-main .checklist li strong { color: var(--navy); }

.download-gate {
    background: var(--gray-50);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 34rem;
}
.download-gate h2 { font-size: 1.5rem; margin: 0 0 1rem; }
.download-gate p,
.download-gate .form-check-label { color: var(--ink-600); font-size: .95rem; }
.download-gate .form-label { font-weight: 500; font-size: .9rem; }
.download-gate .form-control { border-radius: var(--radius); border-color: var(--line); padding: .7rem .9rem; }
.download-gate .form-control:focus,
.download-gate .form-check-input:focus { border-color: var(--navy-600); box-shadow: 0 0 0 .2rem rgba(15, 37, 68, .12); }
.download-gate .form-check-input:checked { background-color: var(--navy); border-color: var(--navy); }
.download-gate .alert { border-radius: var(--radius); font-size: .92rem; }

/* Honeypot gegen Spam-Bots – für Menschen unsichtbar */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --------------------------------------------------------- Bestellen --- */
.buy-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
    margin-top: 1.75rem;
}
.buy-hint {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius);
    font-size: .92rem;
    color: rgba(255, 255, 255, .7);
    max-width: 34em;
}

.section--accent .btn-light {
    background: #fff;
    border: 1px solid #fff;
    color: var(--navy);
}
.section--accent .btn-light:hover { background: rgba(255, 255, 255, .88); }

.book-facts {
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, .18);
}
.book-facts > div {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    padding: .7rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
}
.book-facts dt {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255, 255, 255, .55);
    font-weight: 500;
}
.book-facts dd { margin: 0; text-align: right; color: #fff; }

/* ----------------------------------------------------------- Footer --- */
.site-footer {
    background: var(--navy-800);
    color: rgba(255, 255, 255, .65);
    padding: 4rem 0 2rem;
    font-size: .92rem;
}
.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}
.footer-tagline { color: rgba(255, 255, 255, .7); margin: .5rem 0 1rem; }
.footer-note { font-size: .85rem; color: rgba(255, 255, 255, .45); max-width: 26em; }
.footer-title {
    font-family: var(--font-sans);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: rgba(255, 255, 255, .5);
    margin: 0 0 1rem;
}
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: .5rem; }
.footer-list a { color: rgba(255, 255, 255, .7); text-decoration: none; }
.footer-list a:hover { color: #fff; }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: .85rem;
    color: rgba(255, 255, 255, .45);
}
.footer-legal a { color: rgba(255, 255, 255, .6); text-decoration: none; margin-left: 1.5rem; }
.footer-legal a:hover { color: #fff; }

/* ------------------------------------------------------ Legal pages --- */
.legal-page {
    max-width: 760px;
    margin: 0 auto;
    padding: 9rem 1rem 5rem;
}
.legal-page h1 { font-size: 2.4rem; margin-bottom: 2rem; }
.legal-page h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.legal-page h3 { font-family: inherit; font-size: 1rem; font-weight: 600; margin: 1.5rem 0 .5rem; }
.legal-page p,
.legal-page li { color: var(--ink-600); }
.legal-page ul { padding-left: 1.25rem; margin-bottom: 1rem; }
.legal-page li + li { margin-top: .35rem; }

/* ---------------------------------------------------------- Responsive --- */
@media (max-width: 1199.98px) {
    #mainNav { background: #fff; border-bottom: 1px solid var(--line); }
    .navbar-nav { padding: 1rem 0; gap: .25rem; }
    #mainNav .nav-link { padding: .5rem 0; }
    .nav-item.ms-xl-3 { margin-top: .75rem; }
    .navbar-brand { white-space: normal; max-width: calc(100% - 3.5rem); }
    .navbar-brand .brand-name { font-size: 1.25rem; line-height: 1.2; display: block; }
}

@media (max-width: 991.98px) {
    .hero { padding: 8rem 0 4rem; }
    .book-cover { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 575.98px) {
    .section { padding: 4rem 0; }
    .quote { padding: 1.75rem; }
    .book-facts dd { font-size: .95rem; }
}