/* =========================
   Base variables & tokens
   ========================= */

:root {
    --primary-dark: #1a56db;
    --primary-light: #00d4ff;

    --gradient: linear-gradient(
        135deg,
        #1a56db 0%,
        #00b4d8 50%,
        #00d4ff 100%
    );

    --gradient-hover: linear-gradient(
        135deg,
        #1545b8 0%,
        #0096b8 50%,
        #00b8d4 100%
    );

    --text-dark: #1f2937;
    --text-light: #6b7280;

    --bg-white: #ffffff;
    --bg-light: #f8fafc;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1),
                 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
                 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
                 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius: 12px;
    --radius-lg: 20px;
}


/* =========================
   Reset & box model
   ========================= */

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


/* =========================
   HTML & body
   ========================= */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}


/* =========================
   Base elements
   ========================= */

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

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

button {
    font-family: inherit;
    cursor: pointer;
    background: none;
    border: none;
}

ul,
ol {
    list-style: none;
}


/* =========================
   Typography defaults
   ========================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
}

p {
    color: var(--text-light);
    line-height: 1.6;
}


/* =========================
   Section defaults
   ========================= */

section {
    position: relative;
}


/* =========================
   Utility classes
   ========================= */

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}