:root {
    --clr-primary: #f97316;
    --clr-primary-dark: #ea580c;
    --clr-primary-light: #fed7aa;
    --clr-primary-100: #ffedd5;
    --clr-primary-50: #fff7ed;
    --clr-surface: #ffffff;
    --clr-background: #f5f5f5;
    --clr-outline: #e5e5e5;
    --clr-on-surface: #1c1b1f;
    --clr-on-surface-var: #737373;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 28px;
    --dp1: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24);
    --dp2: 0 3px 6px rgba(0,0,0,.16), 0 3px 6px rgba(0,0,0,.23);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: Roboto, system-ui, sans-serif;
    background: var(--clr-background);
    color: var(--clr-on-surface);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    padding: 24px 0;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-outline);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links a {
    color: var(--clr-on-surface-var);
    text-decoration: none;
    margin-left: 32px;
    font-size: 0.95rem;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--clr-on-surface);
}

.nav-login {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--clr-primary);
    padding: 0 0.75rem;
    height: 40px;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.015em;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--transition);
}

.nav-login:hover {
    background: rgba(249, 115, 22, .08);
}

.nav-login .material-icons {
    font-size: 18px;
}

/* Beta banner */
.beta-banner {
    background: var(--clr-primary);
    color: #fff;
    text-align: center;
    padding: 10px 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.beta-banner a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
}

/* Hero */
.hero {
    padding: 96px 0 80px;
    text-align: center;
    background: var(--clr-surface);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    color: var(--clr-on-surface);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--clr-on-surface-var);
    max-width: 560px;
    margin: 0 auto 40px;
}

.cta-button {
    display: inline-block;
    background: var(--clr-primary);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background var(--transition);
    box-shadow: var(--dp1);
}

.cta-button:hover {
    background: var(--clr-primary-dark);
}

/* Features */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-outline);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    box-shadow: var(--dp1);
    transition: box-shadow var(--transition);
}

.feature-card:hover {
    box-shadow: var(--dp2);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.feature-card p {
    color: var(--clr-on-surface-var);
    font-size: 0.95rem;
}

/* How it works */
.how-it-works {
    padding: 80px 0;
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-outline);
    border-bottom: 1px solid var(--clr-outline);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
    font-weight: 700;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--clr-primary);
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.step p {
    color: var(--clr-on-surface-var);
    font-size: 0.9rem;
}

/* Contact / Access */
.access {
    padding: 80px 0;
    text-align: center;
}

.access h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.access p {
    color: var(--clr-on-surface-var);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 32px;
}

.access .email-link {
    display: inline-block;
    background: var(--clr-primary-50);
    border: 1px solid var(--clr-primary-light);
    border-radius: var(--radius-sm);
    padding: 16px 32px;
    color: var(--clr-primary-dark);
    font-size: 1.15rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color var(--transition), background var(--transition);
}

.access .email-link:hover {
    border-color: var(--clr-primary);
    background: var(--clr-primary-100);
}

/* Footer */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--clr-outline);
    text-align: center;
    color: var(--clr-on-surface-var);
    font-size: 0.85rem;
}

footer a {
    color: var(--clr-on-surface-var);
    text-decoration: none;
}

footer a:hover {
    color: var(--clr-on-surface);
}

/* Impressum page */
.impressum-main {
    max-width: 720px;
    margin: 0 auto;
    padding: 64px 24px 80px;
}

.impressum-main h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.impressum-subtitle {
    color: var(--clr-on-surface-var);
    margin-bottom: 40px;
}

.impressum-block {
    margin-bottom: 32px;
}

.impressum-block-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.impressum-block address {
    font-style: normal;
    line-height: 1.8;
}

.impressum-block a {
    color: var(--clr-primary-dark);
    text-decoration: none;
}

.impressum-block a:hover {
    text-decoration: underline;
}

.impressum-block p {
    line-height: 1.8;
}

.impressum-notice {
    margin-top: 48px;
    padding: 24px;
    background: var(--clr-primary-50);
    border: 1px solid var(--clr-primary-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--clr-on-surface-var);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav-links {
        display: none;
    }
}