/**
 * Projekt: Chasalla Unterstützungsseite
 * Datei: assets/css/app.css
 * Zweck: Farbenfrohe Gestaltung für Unterstützung und persönliche Mithilfe
 * Stand: 2026-06-14
 */

/* ==========================================================
   01. Grundwerte
   ========================================================== */

:root {
    --bg: #fff8ef;
    --surface: #ffffff;
    --text: #17212f;
    --muted: #5d6877;

    --dark: #101827;
    --dark-soft: #17233a;

    --turquoise: #19a7b8;
    --turquoise-dark: #117d8a;
    --yellow: #ffcf45;
    --yellow-soft: #fff3bf;
    --pink: #f25292;
    --purple: #7c5cff;
    --green: #55b96f;
    --orange: #ff8a3d;

    --border: rgba(23, 33, 47, 0.13);
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.13);
    --shadow-strong: 0 30px 90px rgba(15, 23, 42, 0.24);

    --radius-sm: 0.8rem;
    --radius-md: 1.35rem;
    --radius-lg: 2rem;
    --container: 1180px;
}


/* ==========================================================
   02. Basis
   ========================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 8%, rgba(255, 207, 69, 0.28), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(25, 167, 184, 0.18), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--yellow);
    color: var(--dark);
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 1rem;
    z-index: 9999;
    transform: translateY(-150%);
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    background: #ffffff;
    color: var(--dark);
    font-weight: 800;
    text-decoration: none;
    box-shadow: var(--shadow);
}

.skip-link:focus {
    transform: translateY(0);
}


/* ==========================================================
   03. Layout
   ========================================================== */

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin-inline: auto;
}

.section {
    padding: clamp(4rem, 7vw, 7rem) 0;
}

.section--white {
    background: #ffffff;
}

.section--soft {
    background:
        radial-gradient(circle at 18% 18%, rgba(85, 185, 111, 0.18), transparent 28%),
        radial-gradient(circle at 84% 20%, rgba(242, 82, 146, 0.16), transparent 28%),
        #f5fbf7;
}

.section--color {
    background:
        radial-gradient(circle at 12% 15%, rgba(255, 207, 69, 0.35), transparent 30%),
        radial-gradient(circle at 82% 12%, rgba(242, 82, 146, 0.28), transparent 30%),
        radial-gradient(circle at 80% 80%, rgba(25, 167, 184, 0.25), transparent 32%),
        linear-gradient(135deg, #17314b 0%, #112033 100%);
    color: #ffffff;
}

.section--form {
    background:
        radial-gradient(circle at 15% 10%, rgba(124, 92, 255, 0.22), transparent 26%),
        radial-gradient(circle at 88% 18%, rgba(255, 138, 61, 0.20), transparent 28%),
        linear-gradient(135deg, #121a2b, #1b2d4d);
    color: #ffffff;
}

.section--dark {
    background:
        radial-gradient(circle at 20% 10%, rgba(25, 167, 184, 0.24), transparent 32%),
        radial-gradient(circle at 80% 30%, rgba(255, 207, 69, 0.16), transparent 30%),
        var(--dark);
    color: #ffffff;
}

.section-head {
    max-width: 780px;
    margin-bottom: 2.2rem;
}

.section-head--center {
    margin-inline: auto;
    text-align: center;
}

.section-head h2,
.help-intro-grid h2,
.form-side h2,
.transparency h2,
.final-cta h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.section-head p,
.content-text p,
.form-side p,
.final-cta p {
    color: var(--muted);
    font-size: 1.08rem;
}

.section--color .section-head p,
.section--form p,
.section--dark p {
    color: rgba(255, 255, 255, 0.78);
}


/* ==========================================================
   04. Header
   ========================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 248, 239, 0.86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(23, 33, 47, 0.08);
}

.topbar {
    width: min(var(--container), calc(100% - 2rem));
    min-height: 76px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-weight: 900;
    text-decoration: none;
}

.brand__mark {
    display: inline-grid;
    place-items: center;
    width: 2.45rem;
    height: 2.45rem;
    border-radius: 0.9rem;
    background: conic-gradient(from 180deg, var(--turquoise), var(--yellow), var(--pink), var(--purple), var(--turquoise));
    color: #ffffff;
    font-weight: 950;
    box-shadow: 0 12px 28px rgba(25, 167, 184, 0.28);
}

.brand__text {
    font-size: 1rem;
}

.topbar__links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.topbar__links a {
    padding: 0.52rem 0.75rem;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 800;
    text-decoration: none;
}

.topbar__links a:hover,
.topbar__links a:focus {
    background: #ffffff;
    color: var(--dark);
}


/* ==========================================================
   05. Hero
   ========================================================== */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 720px;
    display: grid;
    align-items: center;
    padding: clamp(4rem, 8vw, 8rem) 0;
    background:
        linear-gradient(135deg, #111827 0%, #17365a 54%, #111827 100%);
    color: #ffffff;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, transparent 0 55%, rgba(255,255,255,0.055) 55% 56%, transparent 56% 100%),
        radial-gradient(circle at 18% 22%, rgba(25, 167, 184, 0.48), transparent 32%),
        radial-gradient(circle at 72% 12%, rgba(255, 207, 69, 0.32), transparent 28%),
        radial-gradient(circle at 86% 74%, rgba(242, 82, 146, 0.40), transparent 36%);
}

.hero__shape {
    position: absolute;
    border-radius: 999px;
    filter: blur(2px);
    opacity: 0.78;
}

.hero__shape--one {
    width: 160px;
    height: 160px;
    left: 6%;
    top: 18%;
    background: var(--yellow);
}

.hero__shape--two {
    width: 90px;
    height: 90px;
    right: 11%;
    top: 18%;
    background: var(--pink);
}

.hero__shape--three {
    width: 130px;
    height: 130px;
    right: 18%;
    bottom: 15%;
    background: var(--turquoise);
}

.hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.hero h1 {
    margin: 0;
    max-width: 920px;
    font-size: clamp(2.8rem, 7vw, 6.35rem);
    line-height: 0.94;
    letter-spacing: -0.075em;
}

.hero__lead {
    max-width: 760px;
    margin: 1.45rem 0 0;
    color: rgba(255, 255, 255, 0.80);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.hero__actions--center {
    justify-content: center;
}

.hero-card {
    padding: clamp(1.4rem, 3vw, 2rem);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.11);
    box-shadow: var(--shadow-strong);
    backdrop-filter: blur(18px);
}

.hero-card__label {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 207, 69, 0.18);
    color: #ffe08a;
    font-size: 0.82rem;
    font-weight: 900;
}

.hero-card strong {
    display: block;
    font-size: clamp(1.55rem, 3vw, 2.2rem);
    line-height: 1.08;
}

.hero-card p {
    margin-bottom: 0;
}


/* ==========================================================
   06. Buttons und Kicker
   ========================================================== */

.eyebrow {
    margin: 0 0 0.8rem;
    color: var(--turquoise-dark);
    font-size: 0.82rem;
    font-weight: 950;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow--light {
    color: #9af3fb;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.76rem 1.05rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 900;
    line-height: 1.1;
    text-decoration: none;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
    cursor: pointer;
}

.button:hover,
.button:focus {
    transform: translateY(-1px);
}

.button--yellow {
    background: var(--yellow);
    color: var(--dark);
    box-shadow: 0 14px 34px rgba(255, 207, 69, 0.24);
}

.button--pink {
    background: var(--pink);
    color: #ffffff;
    box-shadow: 0 14px 34px rgba(242, 82, 146, 0.22);
}

.button--glass {
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.09);
}

.button--dark {
    background: var(--dark);
    color: #ffffff;
}

.button--white {
    background: #ffffff;
    color: var(--dark);
}

.button--submit {
    width: 100%;
    min-height: 52px;
    background: linear-gradient(135deg, var(--yellow), var(--pink));
    color: var(--dark);
}

.text-link {
    font-weight: 900;
    color: var(--turquoise-dark);
}


/* ==========================================================
   07. Projektkarten
   ========================================================== */

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.35rem;
}

.project-card {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    gap: 1.5rem;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.project-card__image {
    display: grid;
    place-items: center;
    min-height: 320px;
    overflow: hidden;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, rgba(25, 167, 184, 0.18), rgba(255, 207, 69, 0.20));
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__body {
    padding: clamp(1rem, 3vw, 2rem);
}

.project-card__tagline {
    display: inline-flex;
    margin-bottom: 0.8rem;
    padding: 0.32rem 0.65rem;
    border-radius: 999px;
    background: var(--yellow-soft);
    color: #6a4c00;
    font-size: 0.78rem;
    font-weight: 900;
}

.project-card h3 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.project-card p {
    color: var(--muted);
}

.project-card__support {
    padding: 1rem;
    border-radius: 1rem;
    background: #f2fbfd;
    color: #0e6570 !important;
    font-weight: 750;
}

.project-card__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.check-list {
    display: grid;
    gap: 0.45rem;
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 1.65rem;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--green);
    font-weight: 950;
}


/* ==========================================================
   08. Zahlungsbereich
   ========================================================== */

.payment-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.payment-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 260px;
    padding: 1.15rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.11);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(15px);
}

.payment-card__status {
    align-self: flex-start;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: rgba(255, 207, 69, 0.20);
    color: #ffe38c;
    font-size: 0.76rem;
    font-weight: 900;
}

.payment-card h3 {
    margin: 0;
    font-size: 1.3rem;
}

.payment-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
}

.payment-card small {
    margin-top: auto;
    color: rgba(255, 255, 255, 0.62);
}

.bank-box,
.info-strip {
    margin-top: 1rem;
    padding: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.10);
}

.bank-box h3 {
    margin-top: 0;
}

.bank-box__codes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.bank-box code {
    padding: 0.45rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
}


/* ==========================================================
   09. Mithelfen
   ========================================================== */

.help-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.help-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.mini-card {
    padding: 1.25rem;
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.mini-card h3 {
    margin: 0 0 0.5rem;
}

.mini-card p {
    margin: 0;
    color: var(--muted);
}

.mini-card--pink {
    border-top: 0.45rem solid var(--pink);
}

.mini-card--yellow {
    border-top: 0.45rem solid var(--yellow);
}

.mini-card--green {
    border-top: 0.45rem solid var(--green);
}

.mini-card--blue {
    border-top: 0.45rem solid var(--turquoise);
}


/* ==========================================================
   10. Formular
   ========================================================== */

.form-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.form-side {
    position: sticky;
    top: 110px;
}

.privacy-note {
    margin-top: 1.5rem;
    padding: 1.1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.form-card {
    padding: clamp(1.2rem, 3vw, 2rem);
    border-radius: var(--radius-lg);
    background: #ffffff;
    color: var(--text);
    box-shadow: var(--shadow-strong);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label,
.form-field legend {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text);
    font-weight: 900;
}

.form-field fieldset,
fieldset.form-field {
    padding: 0;
    border: 0;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--border);
    border-radius: 0.95rem;
    background: #f8fafc;
    color: var(--text);
    font: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus {
    outline: 3px solid rgba(25, 167, 184, 0.22);
    border-color: var(--turquoise);
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
}

.choice-grid--skills {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-list {
    display: grid;
    gap: 0.5rem;
}

.choice-list--compact {
    grid-template-columns: 1fr;
}

.choice-grid label,
.choice-list label,
.privacy-check {
    display: flex !important;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 0 !important;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 0.95rem;
    background: #f8fafc;
    font-weight: 700 !important;
}

.choice-grid input,
.choice-list input,
.privacy-check input {
    margin-top: 0.2rem;
}

.form-error {
    margin: 0.4rem 0 0;
    color: #b42318;
    font-weight: 800;
    font-size: 0.92rem;
}

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

.alert {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 800;
}

.alert--success {
    background: #dcfce7;
    color: #14532d;
}

.alert--error {
    background: #fee2e2;
    color: #7f1d1d;
}


/* ==========================================================
   11. Transparenz und Abschluss
   ========================================================== */

.transparency {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.transparency__box {
    padding: clamp(1.4rem, 3vw, 2rem);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
}

.final-cta {
    background:
        radial-gradient(circle at 20% 20%, rgba(25, 167, 184, 0.16), transparent 28%),
        radial-gradient(circle at 75% 35%, rgba(255, 207, 69, 0.32), transparent 30%),
        #ffffff;
}

.final-cta__inner {
    max-width: 850px;
    text-align: center;
}

.site-footer {
    background: var(--dark);
    color: #ffffff;
}

.site-footer__inner {
    width: min(var(--container), calc(100% - 2rem));
    margin-inline: auto;
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.site-footer p {
    margin: 0.3rem 0 0;
    color: rgba(255, 255, 255, 0.68);
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.8rem;
}

.site-footer__links a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
}

.site-footer__links a:hover,
.site-footer__links a:focus {
    color: #ffffff;
    text-decoration: underline;
}


/* ==========================================================
   12. Responsive
   ========================================================== */

@media (max-width: 1120px) {
    .payment-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .help-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .choice-grid--skills {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 940px) {
    .hero__grid,
    .project-card,
    .help-intro-grid,
    .form-layout,
    .transparency {
        grid-template-columns: 1fr;
    }

    .form-side {
        position: static;
    }
}

@media (max-width: 720px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 1rem 0;
    }

    .topbar__links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.15rem;
    }

    .hero {
        min-height: auto;
    }

    .hero__actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .payment-grid,
    .help-cards,
    .form-row,
    .choice-grid,
    .choice-grid--skills {
        grid-template-columns: 1fr;
    }

    .site-footer__inner {
        flex-direction: column;
    }

    .site-footer__links {
        justify-content: flex-start;
    }
}

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

    *,
    *::before,
    *::after {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
    }
}