:root {
    --navy: #0a1830;
    --navy-2: #102446;
    --blue: #2563eb;
    --teal: #0ea5a4;
    --orange: #f97316;
    --amber: #f59e0b;
    --text: #16243a;
    --muted: #61708a;
    --line: #dfe7f2;
    --white: #ffffff;
    --shadow: 0 24px 60px rgba(14, 31, 58, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Inter", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.08), transparent 18%),
        radial-gradient(circle at top right, rgba(249, 115, 22, 0.08), transparent 22%),
        linear-gradient(180deg, #f8fafc 0%, #f6f8fb 100%);
}

a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.hero {
    background:
        radial-gradient(circle at left top, rgba(56, 189, 248, 0.2), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(249, 115, 22, 0.16), transparent 20%),
        linear-gradient(135deg, #08162a 0%, #11284d 54%, #14294c 100%);
    color: var(--white);
    padding: 88px 0 64px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    gap: 28px;
    align-items: end;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(94, 234, 212, 0.28);
    background: linear-gradient(135deg, rgba(14, 165, 164, 0.18), rgba(37, 99, 235, 0.16));
    color: #c6f8f2;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1, h2, h3, h4 {
    margin: 0;
    font-family: "Manrope", sans-serif;
    letter-spacing: -0.05em;
}

.hero h1 {
    margin-top: 24px;
    font-size: clamp(44px, 6vw, 76px);
    line-height: 0.96;
}

.hero h1 span,
.highlight {
    background: linear-gradient(135deg, #67e8f9 0%, #60a5fa 32%, #fbbf24 68%, #fb7185 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    max-width: 680px;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 18px;
    line-height: 1.72;
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.hero-points div,
.article-meta span,
.post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
}

.hero-card {
    padding: 24px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(10, 24, 48, 0.9), rgba(17, 40, 77, 0.82));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
}

.hero-card h3 {
    font-size: 26px;
    color: var(--white);
}

.hero-card p {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.68;
}

.hero-list {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.hero-list div {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.88);
    font-size: 14px;
    line-height: 1.55;
}

.section { padding: 76px 0 0; }

.section-heading {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.section-heading h2 {
    margin-top: 14px;
    font-size: clamp(34px, 4.7vw, 56px);
    line-height: 1.04;
}

.section-heading p {
    margin-top: 16px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.72;
}

.posts-grid,
.topic-grid {
    display: grid;
    gap: 18px;
    margin-top: 40px;
}

.posts-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.topic-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.post-card,
.topic-card,
.article-shell,
.sidebar-card,
.cta-band {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, #ffffff, #fffdfa);
    box-shadow: 0 18px 36px rgba(16, 42, 76, 0.08);
}

.post-card,
.topic-card,
.sidebar-card { border-radius: 26px; }

.post-card {
    position: relative;
    padding: 28px 24px 24px;
    overflow: hidden;
}

.post-card::before,
.topic-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--teal), var(--amber));
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.post-card h3 {
    margin-top: 18px;
    font-size: 26px;
    line-height: 1.14;
}

.post-card p,
.topic-card p {
    margin-top: 14px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.72;
}

.post-card a {
    display: inline-flex;
    margin-top: 18px;
    color: var(--blue);
    font-weight: 800;
}

.topic-card {
    position: relative;
    padding: 24px 20px;
    overflow: hidden;
}

.topic-card h3 { font-size: 20px; }

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
}

.article-shell {
    border-radius: 30px;
    padding: 34px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    margin-top: 18px;
}

.article-intro {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.78;
    margin-top: 18px;
}

.article-body {
    margin-top: 28px;
    display: grid;
    gap: 26px;
}

.article-body section { display: grid; gap: 14px; }
.article-body h2 { font-size: 30px; line-height: 1.12; }
.article-body h3 { font-size: 22px; line-height: 1.18; }

.article-body p,
.article-body li,
.sidebar-card p,
.sidebar-card li {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.82;
}

.article-body ul,
.article-body ol,
.sidebar-card ul {
    margin: 0;
    padding-left: 22px;
    display: grid;
    gap: 10px;
}

.article-body blockquote {
    margin: 0;
    padding: 18px 20px;
    border-left: 4px solid var(--blue);
    border-radius: 0 18px 18px 0;
    background: rgba(37, 99, 235, 0.06);
    color: var(--text);
    font-size: 16px;
    line-height: 1.76;
}

.sidebar {
    display: grid;
    gap: 18px;
    position: sticky;
    top: 104px;
}

.sidebar-card { padding: 22px; }
.sidebar-card h3 { font-size: 22px; }

.sidebar-card .btn {
    margin-top: 16px;
    width: 100%;
}

.cta-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    align-items: center;
    padding: 28px;
    border-radius: 28px;
    margin-top: 42px;
}

.cta-band h3 { font-size: 30px; }

.cta-band p {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.72;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 22px;
    border-radius: 14px;
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    background: linear-gradient(135deg, #2563eb 0%, #0ea5a4 52%, #f59e0b 100%);
    box-shadow: 0 18px 34px rgba(37, 99, 235, 0.2);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover { transform: translateY(-2px); }

@media (max-width: 1080px) {
    .posts-grid,
    .topic-grid,
    .article-layout,
    .hero-grid,
    .cta-band {
        grid-template-columns: 1fr;
    }

    .sidebar { position: static; }
}

@media (max-width: 760px) {
    .posts-grid,
    .topic-grid { grid-template-columns: 1fr; }

    .hero { padding-top: 72px; }
    .article-shell { padding: 24px; }
}