/* Simple responsive website styling */
:root {
    --bg: #0f172a;
    --card: #111827;
    --text: #e2e8f0;
    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --muted: #94a3b8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 25%), #0f172a;
    color: var(--text);
    line-height: 1.6;
}

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

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-strong);
}

.container {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

header {
    padding: 1.5rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

nav .brand {
    font-weight: 700;
    letter-spacing: -0.04em;
    font-size: 1.15rem;
}

nav .nav-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.hero {
    display: grid;
    gap: 2rem;
    align-items: center;
    padding: 4rem 0 3rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin: 0;
}

.hero p {
    max-width: 58ch;
    color: var(--muted);
}

.meta-time {
    margin: 0.75rem 0 0;
    color: #a5f3fc;
    font-weight: 600;
}

.hero .buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button {
    background: var(--accent);
    color: #0f172a;
}

.button:hover,
.button-secondary:hover {
    transform: translateY(-1px);
}

.button-secondary {
    background: transparent;
    border-color: rgba(226, 232, 240, 0.2);
    color: var(--text);
}

.sections {
    display: grid;
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.card-grid {
    display: grid;
    gap: 1.5rem;
}

.card {
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 1.2rem;
    padding: 1.75rem;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25);
}

.card h2 {
    margin-top: 0;
}

.features {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.about {
    display: grid;
    gap: 1.5rem;
}

.about-content,
.about-aside {
    padding: 1.75rem;
    border-radius: 1.25rem;
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.about-aside {
    align-self: start;
}

form {
    display: grid;
    gap: 1rem;
}

input,
textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 0.85rem;
    padding: 0.95rem 1rem;
    background: #111827;
    color: var(--text);
}

input:focus,
textarea:focus {
    outline: 2px solid rgba(56, 189, 248, 0.35);
    outline-offset: 2px;
}

button[type="submit"] {
    width: fit-content;
    border: none;
    background: var(--accent);
    color: #0f172a;
    cursor: pointer;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 0.95rem;
    background: rgba(148, 163, 184, 0.12);
    color: var(--text);
    border: 1px solid transparent;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.16);
    color: #a7f3d0;
    border-color: rgba(16, 185, 129, 0.35);
}

.form-status.error {
    background: rgba(248, 113, 113, 0.16);
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.35);
}

footer {
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    padding: 2rem 0 1rem;
    color: var(--muted);
}

footer .footer-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 760px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding: 3rem 0 2rem;
    }
}