/* kurse.henrik-geyer.com — zentrales Stylesheet.
   FARBEN ANPASSEN: nur die Variablen hier oben ändern. */

:root {
    --green-900: #24513a;   /* dunkles Grün (Hover) */
    --green-700: #2f6b46;   /* Primärgrün (Buttons, Akzente) */
    --green-100: #e7efe6;   /* helles Grün (Flächen, Icons) */
    --green-050: #f1f5ef;   /* sehr helles Grün (Bänder) */
    --ink:       #26302b;   /* Anthrazit für Text */
    --ink-soft:  #5c6660;   /* gedämpfter Text */
    --paper:     #ffffff;
    --warm:      #f6f5f2;   /* warmes Hellgrau */
    --line:      #e6e4df;
    --radius:    14px;
    --shadow:    0 1px 2px rgba(38, 48, 43, .06), 0 6px 20px rgba(38, 48, 43, .05);
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--paper);
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

h1, h2, .brand { font-family: var(--font-serif); font-weight: 400; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); line-height: 1.15; margin: .4em 0 .5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.2; margin: 0 0 .5em; }
h3 { font-size: 1.15rem; margin: 0 0 .4em; }

p { margin: 0 0 1em; }
a { color: var(--green-700); }
a:hover { color: var(--green-900); }
ul { padding-left: 1.2rem; }

:focus-visible {
    outline: 3px solid var(--green-700);
    outline-offset: 2px;
    border-radius: 4px;
}

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--green-700); color: #fff; padding: .6rem 1rem;
    border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; color: #fff; }

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

.btn {
    display: inline-block;
    background: var(--green-700);
    color: #fff;
    border: 1px solid var(--green-700);
    border-radius: 10px;
    padding: .65rem 1.3rem;
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease;
}
.btn:hover  { background: var(--green-900); border-color: var(--green-900); color: #fff; }
.btn:active { transform: translateY(1px); }

.btn-ghost {
    background: transparent;
    color: var(--green-700);
    border-color: var(--line);
}
.btn-ghost:hover { background: var(--green-050); color: var(--green-900); border-color: var(--green-100); }

.link-arrow { font-weight: 600; text-decoration: none; }
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { text-decoration: underline; }

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

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(6px);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; min-height: 64px;
}
.brand { font-size: 1.15rem; color: var(--green-700); text-decoration: none; }
.site-header .brand { font-weight: 700; }

.site-nav ul {
    display: flex; align-items: center; gap: 1.4rem;
    list-style: none; margin: 0; padding: 0;
}
.site-nav a:not(.btn) {
    color: var(--ink); text-decoration: none; font-size: .95rem;
    padding: .35rem 0; border-bottom: 2px solid transparent;
}
.site-nav a:not(.btn):hover { color: var(--green-700); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--green-700); color: var(--green-700); }
.site-nav .btn { padding: .5rem 1.1rem; font-size: .95rem; }

.nav-toggle {
    display: none;
    background: none; border: 1px solid var(--line); border-radius: 8px;
    width: 44px; height: 40px; padding: 9px 10px; cursor: pointer;
}
.nav-toggle span {
    display: block; height: 2px; background: var(--ink);
    margin: 4px 0; border-radius: 1px; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
    .nav-toggle { display: block; }
    .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%;
                background: var(--paper); border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow); }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1rem; }
    .site-nav li { border-top: 1px solid var(--line); }
    .site-nav li:first-child { border-top: none; }
    .site-nav a:not(.btn) { display: block; padding: .8rem 0; border-bottom: none; }
    .site-nav .nav-cta { border-top: none; padding-top: .75rem; }
    .site-nav .btn { display: block; text-align: center; }
}

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

.hero { padding: 3.5rem 0 3rem; }
.hero-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 3rem; align-items: center;
}
.eyebrow {
    color: var(--green-700); font-weight: 700; font-size: .8rem;
    letter-spacing: .12em; text-transform: uppercase; margin-bottom: .3rem;
}
.hero p.lead { color: var(--ink-soft); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 1.6rem; }

.hero-media img, .hero-media svg {
    width: 100%; height: auto; display: block;
    border-radius: var(--radius); box-shadow: var(--shadow);
}
/* Foto mit Weiß-Verlauf links: ohne Rahmen/Schatten in die Seite einblenden */
.hero-photo img { box-shadow: none; border-radius: 18px; }

/* ---------- Info-Band (Vorbild: helle grüne Fläche, Icon links, Text rechts) ---------- */

.info-band {
    background: var(--green-050);
    border-radius: 22px;
    padding: 2.25rem 2.5rem;
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 2rem 2.5rem;
}
.info-item {
    display: flex; gap: 1.1rem; align-items: flex-start;
    color: var(--ink); text-decoration: none;
    border-radius: 12px;
}
.info-item img { width: 56px; height: auto; flex: none; border-radius: 50%; }
.info-item strong { display: block; font-size: 1.02rem; margin-bottom: .25rem; }
.info-item span { font-size: .93rem; line-height: 1.55; color: var(--ink-soft); }
.info-item:hover strong { color: var(--green-700); }
.info-item:hover { color: var(--ink); }
@media (max-width: 960px) { .info-band { grid-template-columns: 1fr; padding: 1.75rem; } }

@media (max-width: 860px) {
    .hero { padding: 2.5rem 0 2rem; }
    .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Sektionen / Karten ---------- */

.section { padding: 3.5rem 0; }
.section-band { background: var(--green-050); }
.section-warm { background: var(--warm); }
.section-head { max-width: 44rem; margin-bottom: 2rem; }
.section-head .sub { color: var(--ink-soft); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 960px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.75rem;
    display: flex; flex-direction: column;
}
.card p { color: var(--ink-soft); }
.card .card-action { margin: auto 0 0; padding-top: .75rem; }

.card-icon {
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--green-100); color: var(--green-700);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.1rem;
}
.card-icon svg { width: 26px; height: 26px; }

.kurs-card h3 a { color: var(--ink); text-decoration: none; }
.kurs-card h3 a:hover { color: var(--green-700); }
.kurs-format {
    display: inline-block; align-self: flex-start;
    background: var(--green-100); color: var(--green-900);
    font-size: .78rem; font-weight: 600; letter-spacing: .02em;
    border-radius: 999px; padding: .2rem .75rem; margin: 0 0 .9rem;
}

/* ---------- Schritte ---------- */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; counter-reset: schritt; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { counter-increment: schritt; }
.step::before {
    content: counter(schritt);
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--green-700); color: #fff;
    font-family: var(--font-serif); font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* ---------- Text-Sektionen / Split ---------- */

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2rem; } }

.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 1.8rem; position: relative; margin-bottom: .55rem; }
.checklist li::before {
    content: ""; position: absolute; left: 0; top: .42em;
    width: 1.05rem; height: 1.05rem; border-radius: 50%;
    background: var(--green-100);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f6b46' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4 10-11'/%3E%3C/svg%3E");
    background-size: 62%; background-position: center; background-repeat: no-repeat;
}

.portrait-placeholder {
    aspect-ratio: 4 / 5; border-radius: var(--radius);
    background: linear-gradient(160deg, var(--green-050), var(--warm));
    border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    color: var(--ink-soft); font-size: .9rem; text-align: center; padding: 1rem;
}

/* ---------- Formulare ---------- */

.form-card {
    background: var(--paper); border: 1px solid var(--line);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 2rem; max-width: 40rem;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.25rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: .3rem; }
input[type="text"], input[type="email"], select, textarea {
    width: 100%; font: inherit; color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line); border-radius: 10px;
    padding: .6rem .8rem;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--green-700);
    box-shadow: 0 0 0 3px var(--green-100);
}
textarea { min-height: 9rem; resize: vertical; }

.checkbox-row { display: flex; gap: .6rem; align-items: flex-start; font-size: .95rem; }
.checkbox-row input { width: 1.1rem; height: 1.1rem; margin-top: .25rem; accent-color: var(--green-700); }
.checkbox-row label { font-weight: 400; margin: 0; }

.notice { border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1.25rem; }
.notice-ok    { background: var(--green-050); border: 1px solid var(--green-100); }
.notice-error { background: #fbf1ee; border: 1px solid #eedcd5; }

.result-facts { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.result-facts li { padding: .45rem 0; border-bottom: 1px solid var(--line); }
.result-facts li:last-child { border-bottom: none; }
.result-facts strong { display: inline-block; min-width: 11rem; }

/* ---------- Kurs-Detailseite ---------- */

.kurs-head { padding: 3rem 0 2.5rem; }
.kurs-head .eyebrow { margin-bottom: .2rem; }
.kurs-layout { display: grid; grid-template-columns: 1.5fr .8fr; gap: 3rem; align-items: start; }
@media (max-width: 860px) { .kurs-layout { grid-template-columns: 1fr; gap: 2rem; } }

.kurs-facts {
    position: sticky; top: 84px;
    background: var(--paper); border: 1px solid var(--line);
    border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem;
}
.kurs-facts dl { margin: 0 0 1.25rem; }
.kurs-facts dt { font-weight: 700; font-size: .85rem; color: var(--ink-soft);
                 text-transform: uppercase; letter-spacing: .05em; margin-top: .9rem; }
.kurs-facts dt:first-child { margin-top: 0; }
.kurs-facts dd { margin: .15rem 0 0; }
.kurs-facts .btn { width: 100%; text-align: center; }

.faq details {
    border: 1px solid var(--line); border-radius: 10px;
    padding: .9rem 1.1rem; margin-bottom: .7rem; background: var(--paper);
}
.faq summary { font-weight: 600; cursor: pointer; }
.faq details[open] summary { color: var(--green-700); margin-bottom: .4rem; }

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

.site-footer { background: var(--warm); border-top: 1px solid var(--line); margin-top: 4rem; }
.footer-inner {
    display: flex; justify-content: space-between; gap: 2rem;
    padding: 2.5rem 1.25rem 1rem; flex-wrap: wrap;
}
.footer-brand p { margin: 0 0 .4rem; color: var(--ink-soft); }
.footer-nav { list-style: none; margin: 0; padding: 0;
              display: flex; flex-wrap: wrap; gap: .4rem 1.5rem; }
.footer-nav a { color: var(--ink); text-decoration: none; font-size: .95rem; }
.footer-nav a:hover { color: var(--green-700); text-decoration: underline; }
.footer-copy { padding-bottom: 1.5rem; }
.footer-copy p { color: var(--ink-soft); font-size: .9rem; margin: 0; }