:root {
    color-scheme: light dark;
    --bg: #f4f4f5;
    --bg-card: #ffffff;
    --text: #121212;
    --text-muted: rgba(18, 18, 18, 0.64);
    --accent: #ff2d2d;
    --accent-strong: #c60000;
    --accent-alt: #ff6c6c;
    --border: rgba(18, 18, 18, 0.12);
    --shadow: 0 18px 36px rgba(17, 17, 17, 0.12);
    font-size: clamp(15px, 0.98vw + 12px, 18px);
}

body[data-theme="dark"] {
    --bg: #151517;
    --bg-card: rgba(30, 30, 33, 0.95);
    --text: #f6f5f4;
    --text-muted: rgba(246, 245, 244, 0.7);
    --accent: #ff4242;
    --accent-strong: #ff1c1c;
    --accent-alt: #ff6b6b;
    --border: rgba(255, 255, 255, 0.14);
    --shadow: 0 22px 46px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.inner {
    width: min(720px, 92vw);
    margin: 0 auto;
}

.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.site-header .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand-logo {
    height: 2.6rem;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    gap: 1rem;
    font-size: 0.93rem;
}

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--text);
}

.theme-toggle {
    border: 1px solid var(--border);
    background: transparent;
    color: inherit;
    padding: 0.4rem;
    border-radius: 8px;
    cursor: pointer;
}

.theme-icon {
    display: block;
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, var(--accent) 0%, transparent 65%);
}

.hero {
    padding: 3.5rem 0 2.5rem;
}

.hero-inner {
    display: grid;
    gap: 1.8rem;
}

.hero h1 {
    margin: 0;
    font-family: 'Kanit', 'Inter', sans-serif;
    font-size: clamp(2rem, 4.2vw, 3rem);
    line-height: 1.15;
}

.lead {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.social-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 28px;
}

.social-cta--twitter,
.social-cta--tumblr {
    position: relative;
    border-radius: 9999px;
    overflow: hidden;
    background: transparent;
    border: none;
    padding: 0;
}

.social-cta iframe,
.social-cta .twitter-follow-button {
    display: block;
}

.social-cta iframe,
.social-cta .twitter-follow-button,
.social-cta--tumblr iframe {
    border: 0;
    background: transparent;
}

body[data-theme="dark"] .social-cta--twitter,
body[data-theme="dark"] .social-cta--tumblr {
    background: transparent;
    border-color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.93rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
    background: linear-gradient(130deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 10px 22px rgba(214, 40, 40, 0.18);
}

.btn.twitter {
    background: linear-gradient(135deg, #1d9bf0, #1a8cd8);
    color: #fff;
    box-shadow: 0 10px 22px rgba(29, 155, 240, 0.25);
}

.btn.twitter:hover,
.btn.twitter:focus {
    box-shadow: 0 14px 26px rgba(29, 155, 240, 0.3);
    transform: translateY(-1px);
}

.btn.twitch {
    background: linear-gradient(135deg, #9146ff, #772ce8);
    color: #fff;
    box-shadow: 0 10px 22px rgba(145, 70, 255, 0.22);
}

.btn.twitch:hover,
.btn.twitch:focus {
    box-shadow: 0 14px 28px rgba(119, 44, 232, 0.28);
    transform: translateY(-1px);
}

.btn.primary.secondary {
    background: linear-gradient(130deg, var(--accent-alt), #ffd1d1);
    color: #4a0a0a;
    box-shadow: 0 12px 26px rgba(255, 66, 66, 0.2);
}

.btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn:hover,
.btn:focus {
    transform: translateY(-1px);
}

.hero-list {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--text-muted);
    display: grid;
    gap: 0.6rem;
}

.about {
    padding: 2.5rem 0;
}

.about-inner {
    background: var(--bg-card);
    border-radius: 18px;
    padding: 1.8rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.about-inner h2 {
    margin: 0 0 1rem;
    font-family: 'Kanit', 'Inter', sans-serif;
}

.about-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.8rem;
    color: var(--text-muted);
}

.about-list strong {
    color: var(--text);
}

.contact {
    padding: 2.5rem 0 3rem;
}

.contact-inner {
    display: grid;
    gap: 1.6rem;
}

.contact-panel {
    display: grid;
    gap: 1.4rem;
}

.contact-channel {
    display: grid;
    gap: 0.75rem;
    padding: 1.2rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
    box-shadow: var(--shadow);
}

.contact-note {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-social {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    align-items: center;
}

.contact-email {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.contact-email .btn {
    flex: 1 1 220px;
    justify-content: center;
}

@media (max-width: 640px) {
    .contact-channel {
        padding: 1rem;
    }
}

.contact-inner h2 {
    margin: 0;
    font-family: 'Kanit', 'Inter', sans-serif;
}

.contact-grid {
    display: grid;
    gap: 1.2rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.contact-grid p {
    margin: 0 0 0.7rem;
    color: var(--text-muted);
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.4rem 0 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 640px) {
    .main-nav {
        display: none;
    }

    .hero {
        padding-top: 2.6rem;
    }

    .about-inner {
        padding: 1.4rem;
    }
}