:root {
    --bg: #f5f7fa;
    --bg-soft: #eef2f6;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #18212b;
    --muted: #5f6d7a;
    --line: rgba(24, 33, 43, 0.09);
    --accent: #1c93e3;
    --accent-dark: #116ba9;
    --accent-green: #89c53f;
    --shadow: 0 18px 50px rgba(19, 35, 56, 0.10);
    --radius: 22px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
            radial-gradient(circle at top right, rgba(28, 147, 227, 0.08), transparent 25%),
            radial-gradient(circle at top left, rgba(137, 197, 63, 0.08), transparent 22%),
            linear-gradient(180deg, #f8fafc 0%, #eef3f8 100%);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.brand {
    display: inline-flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand-title {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.brand-subtitle {
    font-size: 0.92rem;
    color: var(--muted);
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.main-nav a {
    padding: 0.72rem 0.96rem;
    border-radius: 999px;
    color: var(--muted);
    transition: 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text);
    background: rgba(17, 107, 169, 0.08);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 6rem 0 4rem;
}

.hero-image {
    background:
            linear-gradient(90deg, rgba(12, 23, 35, 0.78) 0%, rgba(12, 23, 35, 0.58) 45%, rgba(12, 23, 35, 0.28) 100%),
            url("hero-haus.jpg") center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
            radial-gradient(circle at top right, rgba(137, 197, 63, 0.14), transparent 24%),
            radial-gradient(circle at bottom left, rgba(28, 147, 227, 0.16), transparent 24%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: 2rem;
    align-items: stretch;
}

.hero-grid-home {
    min-height: 520px;
    align-items: end;
}

.hero-text-home {
    max-width: 760px;
    padding: 0.5rem 0 1rem;
}

.hero h1,
.page-hero h1 {
    margin: 0.25rem 0 1rem;
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.hero h1 {
    color: #ffffff;
}

.eyebrow {
    margin: 0 0 0.5rem;
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.13em;
}

.hero .eyebrow {
    color: #b8e26f;
}

.lead {
    font-size: 1.08rem;
    max-width: 64ch;
    color: var(--muted);
}

.lead-bright {
    color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.8rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.9rem 1.2rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.15s ease, background 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(28, 147, 227, 0.25);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(10px);
}

.hero-card,
.info-card,
.logo-card,
.image-card,
.cta-box,
.content-card,
.sidebar-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 1.6rem;
}

.hero-card-home {
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(10px);
}

.hero-card h2 {
    margin-top: 0;
    margin-bottom: 0.35rem;
    font-size: 1.5rem;
}

.card-role {
    margin-top: 0;
    color: var(--accent-dark);
    font-weight: 700;
}

.membership {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.section {
    padding: 4.5rem 0;
}

.section-alt {
    background: rgba(255, 255, 255, 0.45);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-heading {
    margin-bottom: 1.6rem;
}

.section-heading h2,
.split-grid h2,
.cta-box h2,
.content-card h2 {
    margin: 0.2rem 0 0.8rem;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    line-height: 1.15;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.logo-card {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background: #ffffff;
}

.logo-card img {
    width: 100%;
    max-height: 120px;
    object-fit: contain;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.info-card {
    padding: 1.4rem;
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 0.7rem;
    font-size: 1.18rem;
}

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

.image-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
}

.image-card {
    overflow: hidden;
}

.image-card-media {
    aspect-ratio: 16 / 10;
    background: #dfe8f1;
}

.image-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-card-content {
    padding: 1.25rem;
}

.image-card-content h3 {
    margin: 0 0 0.55rem;
}

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

.split-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.6rem;
    align-items: center;
}

.spaced-list {
    margin-top: 1.2rem;
}

.feature-list,
.content-list {
    padding-left: 1.2rem;
}

.feature-list li,
.content-list li {
    margin-bottom: 0.65rem;
}

.feature-visual {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    min-height: 420px;
    background: #dfe6ed;
}

.feature-visual img {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
}

.page-hero {
    padding: 4.5rem 0 2rem;
}

.page-hero-light {
    background:
            linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0)),
            transparent;
}

.page-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.6rem;
    align-items: center;
}

.page-hero-media {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    background: #dfe6ed;
    min-height: 320px;
}

.page-hero-media img {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
    gap: 1.4rem;
    align-items: start;
}

.content-main,
.content-sidebar {
    display: grid;
    gap: 1.2rem;
}

.content-card,
.sidebar-card {
    padding: 1.4rem;
}

.content-card p,
.sidebar-card p {
    margin: 0 0 1rem;
    color: var(--muted);
}

.content-card p:last-child,
.sidebar-card p:last-child {
    margin-bottom: 0;
}

.content-card h2,
.sidebar-card h3 {
    margin-top: 0;
}

.sidebar-image-card {
    padding: 0;
    overflow: hidden;
}

.sidebar-image-card img {
    width: 100%;
    height: 100%;
    min-height: 260px;
    object-fit: cover;
}

.notice-box {
    padding: 1rem 1.1rem;
    color: var(--muted);
    background: rgba(28, 147, 227, 0.08);
    border: 1px solid rgba(28, 147, 227, 0.12);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cta-section {
    padding-top: 1rem;
    padding-bottom: 5rem;
}

.cta-box {
    padding: 1.7rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    background:
            linear-gradient(135deg, rgba(28, 147, 227, 0.08), rgba(137, 197, 63, 0.08)),
            #ffffff;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
}

.footer-inner {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--muted);
}

.footer-links a:hover {
    color: var(--text);
}

@media (max-width: 1100px) {
    .logo-grid,
    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {
    .hero-grid,
    .image-feature-grid,
    .split-grid,
    .card-grid,
    .logo-grid,
    .cta-box,
    .page-hero-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid-home {
        min-height: auto;
    }

    .feature-visual,
    .feature-visual img {
        min-height: 300px;
    }

    .page-hero-media,
    .page-hero-media img {
        min-height: 240px;
    }
}

@media (max-width: 760px) {
    .header-inner {
        padding: 0.85rem 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;
    }

    .main-nav a {
        flex: 1 1 auto;
        text-align: center;
    }

    .hero {
        padding-top: 4.6rem;
        padding-bottom: 3rem;
    }

    .page-hero {
        padding-top: 4rem;
    }

    .hero h1,
    .page-hero h1 {
        font-size: clamp(2rem, 9vw, 3rem);
    }

    .logo-card {
        min-height: 150px;
    }

    .logo-card img {
        max-height: 90px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}