/* UI tokens and shared component rules for landing */
:root {
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-text: #111827;
    --color-text-muted: #4b5563;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #d1d5db;
    --focus-ring: 2px solid var(--color-primary);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(17, 24, 39, 0.12);
    --shadow-md: 0 4px 10px rgba(17, 24, 39, 0.14);
    --shadow-lg: 0 10px 22px rgba(17, 24, 39, 0.2);
    --duration-fast: 180ms;
    --duration-base: 220ms;
}

html,
body {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
}

a,
button,
input,
select,
textarea {
    transition: transform var(--duration-fast) ease-out, opacity var(--duration-fast) ease-out, background-color var(--duration-base) ease-out, color var(--duration-base) ease-out, border-color var(--duration-base) ease-out, box-shadow var(--duration-base) ease-out;
}

:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.btn-primary,
.header-signup-btn,
.mobile-header-signup-btn {
    min-height: 44px;
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    border: 0;
    background: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary,
.header-signup-btn {
    padding: 10px 20px;
    font-size: 14px;
}

.mobile-header-signup-btn {
    padding: 8px 14px;
    font-size: 12px;
    white-space: nowrap;
}

.btn-primary:hover,
.header-signup-btn:hover,
.mobile-header-signup-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active,
.header-signup-btn:active,
.mobile-header-signup-btn:active {
    transform: translateY(0);
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid #e5e7eb;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.form-input {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 16px;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.mobile-menu {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.button-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 9999px;
    color: #fff;
    background: var(--color-primary);
    box-shadow: var(--shadow-md);
    z-index: 40;
}

.button-to-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Keep room for floating CTA on home page */
body:has(#fab-cta) .button-to-top {
    bottom: 6.5rem;
    right: 1.5rem;
}

@media (max-width: 768px) {
    body:has(#fab-cta) .button-to-top {
        bottom: 5.5rem;
        right: 1rem;
    }
}

@media (max-width: 640px) {
    .button-to-top {
        bottom: 16px;
        right: 16px;
    }

    .stat-number {
        font-size: 2rem;
    }
}