/* =========================
   RESET + BASE
========================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f8fafc;
    color: #0f172a;
}

/* =========================
   HEADER
========================= */
.header {
    background: linear-gradient(90deg, #22c1dc, #06b6d4);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: #fff;
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
}

.nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
}

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

/* =========================
   HERO
========================= */
.hero {
    background: linear-gradient(
        180deg,
        rgba(34,193,220,0.18),
        rgba(255,255,255,0)
    );
}

.hero-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.hero-inner p {
    color: #0f172a;
    margin-bottom: .6rem;
}

.hero-inner strong {
    font-size: 1.2rem;
}

/* =========================
   MAIN CONTENT
========================= */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.page-intro {
    text-align: center;
}

.page-intro h1 {
    font-size: 2rem;
    margin-bottom: .5rem;
    color: #020617;
}

.page-intro p {
    color: #334155;
}

/* =========================
   FOOTER
========================= */
.footer {
    background: linear-gradient(270deg, #020617, #020617);
    color: #cbd5e1;
    padding: 2.5rem 1.5rem;
}

.footer-grid {
    max-width: 1000px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-box {
    background: rgba(255,255,255,0.04);
    border-radius: 16px;
    padding: 1.5rem;
}

.footer-box h4 {
    margin-bottom: .75rem;
    color: #fff;
}

.footer-box p {
    margin-bottom: .4rem;
}

.footer a {
    color: #38bdf8;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

/* =========================
   FOOTER BOTTOM
========================= */
.footer-bottom {
    text-align: center;
    font-size: .85rem;
    color: #94a3b8;
    margin-top: 1.8rem;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {

    .header-inner {
        flex-direction: column;
        gap: .75rem;
    }

    .nav a {
        margin: 0 .75rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}