:root {
    --bg-top: #f3f8f5;
    --bg-bottom: #dce7f0;
    --surface: #ffffff;
    --surface-soft: #f7fafc;
    --text: #22313f;
    --text-muted: #526477;
    --brand: #0f766e;
    --brand-strong: #0b5f59;
    --accent: #f59e0b;
    --line: #d7e2ea;
    --shadow-soft: 0 10px 28px rgba(10, 31, 47, 0.08);
    --shadow-hover: 0 16px 34px rgba(10, 31, 47, 0.14);
}

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

html,
body {
    min-height: 100%;
}

body {
    font-family: "Segoe UI", "Aptos", "Calibri", sans-serif;
    line-height: 1.65;
    color: var(--text);
    background:
        radial-gradient(120% 120% at 10% 0%, rgba(15, 118, 110, 0.12), transparent 45%),
        radial-gradient(120% 120% at 95% 10%, rgba(245, 158, 11, 0.16), transparent 45%),
        linear-gradient(160deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

header {
    color: #ffffff;
    padding: 3.5rem 1.25rem;
    text-align: center;
    background: linear-gradient(140deg, var(--brand-strong) 0%, var(--brand) 70%, #149083 100%);
    box-shadow: 0 10px 24px rgba(7, 40, 37, 0.24);
}

header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.02em;
    margin-bottom: 0.6rem;
}

header p {
    color: rgba(255, 255, 255, 0.95);
}

.intro {
    max-width: 860px;
    margin: 0 auto;
    font-size: 1.08rem;
}

.stats {
    display: inline-block;
    margin-top: 1.4rem;
    padding: 0.85rem 1.25rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(5px);
}

.stats strong {
    font-size: 1.12rem;
}

main {
    width: min(1100px, 92%);
    margin: 2.75rem auto;
}

.home-hero {
    margin-bottom: 2rem;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(245, 158, 11, 0.08));
    box-shadow: var(--shadow-soft);
}

.home-hero img {
    display: block;
    width: 100%;
    max-width: 1024px;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    margin: 0 auto;
    border-radius: 0;
    box-shadow: none;
}

section {
    margin-bottom: 2.25rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-soft);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

section h2 {
    padding: 1rem 1.2rem;
    font-size: clamp(1.3rem, 2.3vw, 1.7rem);
    color: var(--brand-strong);
    background: linear-gradient(120deg, rgba(15, 118, 110, 0.14), rgba(245, 158, 11, 0.14));
    border-bottom: 1px solid var(--line);
}

.topic-card {
    padding: 1.1rem 1.2rem 1.2rem;
    border-bottom: 1px solid var(--line);
    background: #ffffff;
    transition: transform 0.18s ease, background-color 0.2s ease;
}

.topic-card:last-child {
    border-bottom: 0;
}

.topic-card:hover {
    transform: translateY(-2px);
    background: #fbfdff;
}

.topic-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.45rem;
}

.topic-card h3 a {
    color: var(--brand-strong);
    text-decoration: none;
}

.topic-card h3 a:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

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

.topic-card .topic-updated {
    margin-top: 0.45rem;
    font-size: 0.86rem;
    color: #355264;
    font-weight: 600;
}

nav {
    width: min(1100px, 92%);
    margin: 1rem auto 0;
    padding: 0.9rem 1.1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
}

nav a {
    display: inline-block;
    margin-right: 1.1rem;
    color: var(--brand-strong);
    font-weight: 600;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

article {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    padding: clamp(1.2rem, 2.4vw, 2.1rem);
}

.section-label {
    display: inline-block;
    margin-bottom: 0.8rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #ffffff;
    background: linear-gradient(120deg, var(--brand), var(--brand-strong));
}

article h1 {
    margin-bottom: 0.8rem;
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    line-height: 1.25;
    color: var(--brand-strong);
}

.summary {
    color: var(--text-muted);
    font-size: 1.06rem;
    margin-bottom: 1.35rem;
}

.article-hero {
    margin: 0 0 1.5rem;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(245, 158, 11, 0.08));
    box-shadow: var(--shadow-soft);
}

.article-hero img {
    display: block;
    width: 100%;
    max-width: 1024px;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    margin: 0 auto;
    border-radius: 0;
    box-shadow: none;
}

.content {
    color: var(--text);
}

.content h2,
.content h3 {
    color: var(--brand-strong);
    margin-top: 1.3rem;
    margin-bottom: 0.55rem;
}

.content p,
.content ul,
.content ol {
    margin-bottom: 0.95rem;
}

.content ul,
.content ol {
    padding-left: 1.2rem;
}

.why-visit {
    margin-top: 1.6rem;
    border: 1px solid rgba(15, 118, 110, 0.28);
    border-left: 5px solid var(--brand);
    border-radius: 12px;
    padding: 1rem 1rem 1rem 0.95rem;
    background: linear-gradient(120deg, rgba(15, 118, 110, 0.09), rgba(245, 158, 11, 0.08));
}

.why-visit h3 {
    margin-bottom: 0.4rem;
    color: var(--brand-strong);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(10, 31, 47, 0.18);
}

footer {
    margin-top: 2.8rem;
    padding: 1.6rem 1rem;
    text-align: center;
    color: #f4fbfa;
    background: linear-gradient(120deg, #173b52 0%, #1e4f61 70%, #28616f 100%);
}

@media (max-width: 760px) {
    header {
        padding: 2.6rem 1rem;
    }

    nav {
        margin-top: 0.85rem;
    }

    nav a {
        margin-right: 0.75rem;
        margin-bottom: 0.35rem;
    }

    main {
        margin-top: 1.75rem;
    }

    section h2 {
        padding: 0.9rem 1rem;
    }

    .topic-card {
        padding: 0.95rem 1rem 1rem;
    }
}