/* styles.css - Modern minimal styling for index.html */

/* CSS Variables */
:root{
    --bg: #f6f7fb;
    --surface: #ffffff;
    --muted: #6b7280;
    --accent: #06b6d4; /* cyan-500 */
    --accent-600: #0891b2;
    --text: #0f172a;
    --glass: rgba(255,255,255,0.6);
    --radius: 12px;
    --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
    --shadow-md: 0 8px 24px rgba(15,23,42,0.08);
    --container: 1100px;
    --gap: 1.25rem;
    --transition: 180ms cubic-bezier(.2,.9,.2,1);
}

/* Reset & base */
*,
*::before,
*::after { box-sizing: border-box; }
html,body { height: 100%; }
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: linear-gradient(180deg, var(--bg), #eef2f6 70%);
    color: var(--text);
    line-height: 1.45;
    -webkit-font-feature-settings: "liga" 1;
    -moz-osx-font-smoothing: grayscale;
    padding: 2rem;
}

/* Utility container */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header / Nav */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap);
    margin-bottom: 2.25rem;
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}
.logo {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-600));
    box-shadow: var(--shadow-sm);
    display: inline-grid;
    place-items: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
}
.site-title {
    font-weight: 600;
    letter-spacing: -0.02em;
}
.site-sub {
    display: block;
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.15rem;
}

/* Primary nav */
.nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 0.5rem 0.6rem;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition), transform var(--transition);
    font-weight: 500;
}
.nav a:hover,
.nav a:focus {
    color: var(--text);
    background: rgba(9, 11, 14, 0.03);
    transform: translateY(-2px);
}

/* CTA */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: 0.6rem 0.9rem;
    background: linear-gradient(90deg, var(--accent), var(--accent-600));
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(8,145,178,0.14);
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    text-decoration: none;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); opacity: .95; }

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2.5rem;
}
.hero-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.6));
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}
.hero h1 {
    margin: 0 0 .5rem 0;
    font-size: clamp(1.6rem, 3.6vw, 2.4rem);
    line-height: 1.05;
}
.lead {
    margin: 0 0 1.25rem 0;
    color: var(--muted);
    font-size: 1rem;
}

/* Feature card / panel */
.panel {
    background: var(--surface);
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}
.panel h3 {
    margin: 0 0 .5rem;
    font-size: 1.05rem;
}

/* Grid of cards */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}
.card {
    background: linear-gradient(180deg, #fff, #fbfdff);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(15,23,42,0.08); }
.card .kicker { font-size: 0.78rem; color: var(--accent-600); font-weight: 700; margin-bottom: .5rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Form elements */
.input,
.select,
.textarea {
    width: 100%;
    padding: .6rem .75rem;
    border-radius: 10px;
    border: 1px solid rgba(15,23,42,0.06);
    background: white;
    font-size: .95rem;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--accent-600);
    box-shadow: 0 6px 18px rgba(8,145,178,0.08);
}

/* Footer */
.footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(15,23,42,0.04);
    color: var(--muted);
    font-size: .95rem;
    display: flex;
    justify-content: space-between;
    gap: var(--gap);
    flex-wrap: wrap;
}

/* floating image that shrinks on small screens */
.float-right {
    float: right;
    width: 300px;
    max-width: 40%;
    height: auto;
    margin: 0 0 1rem 1rem;
    display: block;
}

/* mobile: disable float and let image fill available width */
@media (max-width: 600px) {
    .float-right {
        float: none;
        display: block;
        margin: 0 auto 1rem;
        width: 100%;
        max-width: 360px; /* optional max so it doesn't grow too large on small tablets */
    }
}

/* Small screens */
@media (max-width: 880px) {
    .hero { grid-template-columns: 1fr; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .header { gap: .5rem; }
    .brand .site-sub { display: none; }
}
@media (max-width: 520px) {
    body { padding: 1rem; }
    .grid { grid-template-columns: 1fr; }
    .nav { display: none; } /* simple responsive choice; replace with a menu if needed */
    .logo { width: 40px; height: 40px; }
}

/* Accessibility helpers */
a:focus,
button:focus,
.input:focus {
    outline: 3px solid rgba(6,182,212,0.12);
    outline-offset: 3px;
}