:root {
    --yellow: #F06C25;
    --bg: #0a0b0f;
    --bg-card: #1a1a1a;
    --bg-card-hover: #1f1f1f;
    --border: #2b2b2b;
    --text: #f2f2f2;
    --text-muted: #a3a3a3;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Ubuntu', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

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

.wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo img {
    height: 32px;
    width: auto;
}

.btn-app {
    background: var(--yellow);
    color: #111;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 0.9rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-app:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(255, 195, 0, 0.25);
}

/* Hero */
.hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--border);
}

.hero .eyebrow {
    color: var(--yellow);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    max-width: 18ch;
    margin-bottom: 16px;
}

.hero p {
    color: var(--text-muted);
    max-width: 56ch;
    font-size: 1.05rem;
}

/* Article grid */
.articles {
    padding: 56px 0 72px;
    background-color: #FFFFFF;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: #3a3a3a;
    transform: translateY(-2px);
}

.card-visual {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 195, 0, 0.16), transparent 60%),
        #161616;
    border-bottom: 1px solid var(--border);
}

.card-visual i {
    font-size: 2.4rem;
    color: var(--yellow);
}

.card-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.card-tag {
    color: var(--yellow);
    font-size: 0.82rem;
    font-weight: 700;
}

.card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex: 1;
}

.card-link {
    margin-top: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--yellow);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-link i {
    font-size: 0.8rem;
}

/* CTA band */
.cta {
    border-top: 1px solid var(--border);
    padding: 56px 0;
    text-align: center;
}

.cta h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.cta p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline {
    border: 1px solid var(--border);
    padding: 10px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: border-color 0.15s ease;
}

.btn-outline:hover {
    border-color: var(--yellow);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 32px;
    background: #0c0c0c;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 32ch;
}

footer h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 14px;
}

footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

footer ul a {
    font-size: 0.9rem;
    color: var(--text);
}

footer ul a:hover {
    color: var(--yellow);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-align: center;
}

@media (max-width: 700px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}