:root {
    --color-bg-dark: #071126;
    --color-bg-darker: #030817;
    --color-bg-soft: #f8fafc;

    --color-primary: #2563eb;
    --color-secondary: #0ea5e9;
    --color-accent: #38bdf8;

    --color-white: #ffffff;
    --color-text: #0f172a;
    --color-muted: #64748b;
    --color-border: #e5e7eb;

    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    --gradient-dark: radial-gradient(circle at top right, rgba(14, 165, 233, 0.32), transparent 35%),
                     radial-gradient(circle at left center, rgba(37, 99, 235, 0.22), transparent 32%),
                     linear-gradient(135deg, #071126 0%, #030817 100%);

    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
    --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.10);
    --shadow-strong: 0 24px 60px rgba(15, 23, 42, 0.18);

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-xl: 36px;

    --container: 1180px;
}

/* ================= RESET GENERAL ================= */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "Inter", sans-serif;
    color: var(--color-text);
    background: var(--color-bg-soft);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

button,
input,
textarea,
select {
    font-family: inherit;
}

button {
    cursor: pointer;
}

input,
textarea,
select {
    outline: none;
}

ul,
ol {
    list-style: none;
}

/* ================= UTILIDADES BASE ================= */

::selection {
    color: #ffffff;
    background: var(--color-primary);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #e2e8f0;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}