:root {
    --bg: #ffffff;
    --fg: #000000;
    --muted: #4b5563;
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --accent: #0f172a;
}

.dark {
    --bg: #020617;
    --fg: #f9fafb;
    --muted: #94a3b8;
    --card-bg: #020617;
    --card-border: #1e293b;
    --accent: #e5e7eb;
}

* {
    box-sizing: border-box;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

.hero-text {
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 0.9;
}

.btn-black {
    background-color: #000;
    color: #fff;
    transition: all 0.2s ease;
}

.btn-black:hover:not(:disabled) {
    background-color: #111827;
    transform: translateY(-1px);
}

.btn-black:disabled {
    background-color: #94a3b8;
    cursor: default;
}

.dark .btn-black {
    background-color: #f9fafb;
    color: #020617;
}

.dark .btn-black:hover:not(:disabled) {
    background-color: #e5e7eb;
}

.pill {
    background: rgba(148, 163, 184, 0.12);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.product-card {
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.25s ease;
    background: var(--card-bg);
}

.product-card:hover {
    border-color: var(--fg);
    transform: translateY(-2px);
}

.case-study-tag {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: #6b7280;
    text-transform: uppercase;
}

.status-message {
    display: none;
    margin-top: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

footer {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
}

.dark footer {
    background-color: rgba(15, 23, 42, 0.9);
}

.body-text {
    color: var(--fg);
}

body.size-small .body-text  { font-size: 0.9rem;  line-height: 1.5; }
body.size-medium .body-text { font-size: 1rem;    line-height: 1.6; }
body.size-large .body-text  { font-size: 1.15rem; line-height: 1.7; }

.dark input[type="email"] {
    background-color: #020617;
    border-color: #1f2937;
    color: #e5e7eb;
}

.dark input[type="email"]::placeholder { color: #6b7280; }

.dark .prose,
.dark .prose p { color: var(--muted); }

/* Global Beta Badge System */
.badge-beta::after {
    content: "BETA";
    margin-left: 12px;
    padding: 3px 10px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid var(--card-border);
    color: var(--muted);
    border-radius: 999px;
    vertical-align: middle;
    transition: all 0.2s ease;
}

/* Subtle Hover Effect */
.badge-beta:hover::after {
    border-color: var(--fg);
    color: var(--fg);
}