:root {
    --bg: #f5f7fa;
    --card: #ffffff;
    --text: #222;
    --muted: #666;
    --accent: #e23a3a;
}

[data-theme="dark"] {
    --bg: #0f1115;
    --card: #1a1d24;
    --text: #f1f1f1;
    --muted: #aaa;
    --accent: #ff5c5c;
}

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

body {
    font-family: system-ui, -apple-system, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}

/* CARD */
#container {
    width: 100%;
    max-width: 520px;
    background: var(--card);
    border-radius: 16px;
    padding: 30px 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

/* LOGO */
#logo {
    text-align: center;
    margin-bottom: 10px;
}
#logo img {
    max-width: 160px;
    height: auto;
}

/* TEXT */
h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    /* text-align: center; */
}

h1 strong {
    color: var(--accent);
}

p {
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 15px;
    /* text-align: center; */
}

/* FOOTER */
#footer {
    margin-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 20px;
}

#footer h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

#footer ul {
    margin-top: 10px;
    color: var(--muted);
}

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

/* THEME BUTTON */
.theme-toggle {
    position: fixed;
    top: 15px;
    right: 15px;
}

.theme-toggle button {
    background: var(--card);
    border: none;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* MOBILE */
@media (max-width: 480px) {
    #container {
        padding: 20px 15px;
    }

    h1 {
        font-size: 1.35rem;
    }

    #logo img {
    max-width: 120px;
    height: auto;
}
}

/* FOOTER MODERN */
.subtitle {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 20px;
}

/* GRID */
.contact-grid {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

/* CARD */
.contact-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(0,0,0,0.03);
    text-decoration: none;
    color: var(--text);
    transition: 0.2s ease;
}

[data-theme="dark"] .contact-card {
    background: rgba(255,255,255,0.05);
}

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

.contact-card span {
    font-size: 18px;
}

.contact-card strong {
    display: block;
    font-size: 0.9rem;
}

.contact-card small {
    color: var(--muted);
    font-size: 0.8rem;
}

/* CTA */
.cta {
    text-align: center;
}

.cta-btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
}

.cta-btn:hover {
    opacity: 0.9;
}