* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #17242c;
    background: #ffffff;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

.decorative-waves {
    position: fixed;
    top: -30px;
    pointer-events: none;
    z-index: 1;
}

.waves-left {
    left: 0;
    width: 26vw;
    max-width: 360px;
}

.waves-right {
    right: 0;
    width: 26vw;
    max-width: 360px;
    display: flex;
    justify-content: flex-end;
}

.waves-left img,
.waves-right img {
    position: absolute;
    top: 0;
    width: 100%;
    height: auto;
}

.waves-container {
    position: fixed;
    bottom: -80px;
    left: 0;
    width: 100vw;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transform: translateY(60px);
    animation: waveRise 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.wave-1 { position: relative; z-index: 1; animation-delay: 0.1s; }
.wave-2 { z-index: 2; animation-delay: 0.65s; }
.wave-3 { z-index: 3; animation-delay: 1.2s; }
.wave-4 { z-index: 4; animation-delay: 1.75s; }

@keyframes waveRise {
    0% { opacity: 0; transform: translateY(60px); }
    40% { opacity: 0.7; }
    100% { opacity: 1; transform: translateY(0); }
}

.page-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1400px;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 24px 32px 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.header {
    width: 100% !important;
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    align-self: flex-start !important;
    margin-top: 15px;
    margin-bottom: 0;
    margin-left: -20px !important; 
    padding-left: 0 !important;
    animation: fadeDown 0.8s ease forwards;
}

.logo-link {
    display: inline-flex !important;
    align-items: center;
    text-decoration: none;
    line-height: 0;
    margin-right: auto !important; /* Schiebt das Logo an den linken Rand */
}

.logo-claim-img {
    height: 48px;
    width: auto;
    display: block;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.logo-text-uva {
    font-size: 50px;
    font-weight: 800;
    color: #008ccf;
    letter-spacing: -1.5px;
    line-height: 1;
}

.logo-divider {
    display: inline-block;
    width: 2px;
    height: 39px;
    background: #596773;
    transform: rotate(18deg);
    opacity: 0.8;
}

.logo-subtext {
    font-size: 11px;
    font-weight: 700;
    text-align: left;
    color: #596773;
    letter-spacing: 1px;
    line-height: 1.25;
}

#step-0 {
    max-width: 820px;
    margin-top: 120px;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    padding: 7px 18px;
    border: 1px solid #d8eaf2;
    border-radius: 50px;
    background: rgba(248, 252, 254, 0.9);
    color: #008ccf;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.7px;
}

h1 {
    max-width: 760px;
    font-size: 30px;
    font-weight: 650;
    line-height: 1.25;
    letter-spacing: -0.6px;
    color: #101820;
    margin-bottom: 34px;
    position: relative;
}

h1::after {
    content: "";
    display: block;
    width: 65px;
    height: 3.5px;
    margin: 18px auto 0;
    background: linear-gradient(90deg, #EAF9FF 0%, #0091BD 50%, #EAF9FF 100%);
    border-radius: 4px;
}

.description-text {
    max-width: 790px;
    font-size: 16.5px;
    line-height: 1.65;
    color: #38444d;
}

.description-text p { margin: 0; }

.description-text a {
    color: #008ccf;
    text-decoration: none;
    font-weight: 600;
}

.description-text a:hover {
    color: #006f9f;
    text-decoration: underline;
}

.action-area {
    margin-top: 65px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.action-hint {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.9px;
    color: #7b8992;
}

.btn-weiter {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 270px;
    padding: 14px 48px;
    background: linear-gradient(135deg, #dff4ff 0%, #b4e3fa 100%);
    color: #10232c;
    text-decoration: none;
    font-size: 17px;
    font-weight: 650;
    letter-spacing: 2.5px;
    border-radius: 50px;
    border: 2px solid #ffffff;
    box-shadow: 0 4px 0 #0088cc, 0 8px 20px rgba(0, 140, 207, 0.18);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, background 0.3s ease;
    outline: none;
    cursor: pointer;
    z-index: 1;
}

.btn-weiter::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.85) 0%, rgba(186, 233, 255, 0.2) 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s cubic-bezier(0.25, 1, 0.5, 1), height 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s ease;
    opacity: 0;
    z-index: -1;
}

.btn-weiter .arrow {
    font-size: 21px;
    margin-left: 13px;
    display: inline-block;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-weiter:hover {
    transform: translateY(-4px) scale(1.02);
    background: linear-gradient(135deg, #eaf7ff 0%, #bee8fc 100%);
    box-shadow: 0 6px 0 #0077b5, 0 14px 28px rgba(0, 140, 207, 0.3), 0 0 16px rgba(255, 255, 255, 0.8) inset;
}

.btn-weiter:hover::before {
    width: 340px;
    height: 340px;
    opacity: 1;
}

.btn-weiter:hover .arrow {
    transform: translateX(6px) scale(1.15);
}

.btn-weiter:active {
    transform: translateY(2px) scale(0.98);
    box-shadow: 0 2px 0 #0077b5, 0 4px 10px rgba(0, 140, 207, 0.2);
}

.footer {
    width: 100vw;
    position: fixed;
    bottom: 0;
    left: 0;
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border-top: 1px solid rgba(0, 140, 207, 0.25);
    background: transparent;
    z-index: 20;
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #000000;
}

.lock-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
}

.security-badge::before,
.security-badge::after {
    content: "";
    display: inline-block;
    width: 65px;
    height: 4px;
    border-radius: 4px;
}

.security-badge::before {
    background: linear-gradient(90deg, #D2F2FF 0%, #0091BD 100%);
}

.security-badge::after {
    background: linear-gradient(90deg, #0091BD 0%, #D2F2FF 100%);
}

.footer-links {
    font-size: 14px;
    font-weight: 500;
    color: #008ccf;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a {
    color: #008ccf;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.footer-links a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .page-container { padding: 20px 18px 80px; }
    .header { margin-bottom: 15px; }
    .waves-left, .waves-right { width: 38vw; top: -15px; }
    .waves-container { bottom: -20px; }
    .logo-text-uva { font-size: 40px; }
    .logo-divider { height: 31px; }
    .logo-subtext { font-size: 9px; }
    h1 { font-size: 22px; margin-bottom: 22px; }
    .description-text { font-size: 14.5px; gap: 14px; }
    .action-area { margin-top: 35px; }
    .btn-weiter { min-width: 230px; padding: 12px 30px; font-size: 15px; }
    .footer { padding: 12px 16px 16px; gap: 6px; }
    .security-badge { font-size: 11px; gap: 8px; }
    .security-badge::before, .security-badge::after { width: 35px; height: 2.5px; }
    .footer-links { font-size: 12px; }
}