:root {
    --bg-primary: #f1f5f9;
    /* Slate-100 */
    --bg-secondary: #ffffff;
    /* White */
    --bg-accent: #e2e8f0;
    /* Slate-200 */
    --hero-overlay: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9));
    --text-primary: #1e2937;
    /* Slate-800 */
    --text-secondary: #475569;
    /* Slate-600 */
    --border-color: #e2e8f0;
    /* Slate-200 */
}

html.dark {
    --bg-primary: #0f172a;
    /* Slate-900 */
    --bg-secondary: #1e2937;
    /* Slate-800 */
    --bg-accent: #334155;
    /* Slate-700 */
    --hero-overlay: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9));
    --text-primary: #e2e8f0;
    /* Slate-200 */
    --text-secondary: #94a3b8;
    /* Slate-400 */
    --border-color: #334155;
    /* Slate-700 */
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

h1,
h2,
h3,
.logo-font {
    font-family: 'Poppins', sans-serif;
}

.text-gradient {
    background: linear-gradient(45deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.clic {
    cursor: pointer
}

.form-status {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.cta-button {
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hero-section {
    background-image: var(--hero-overlay), url('img/1.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(29, 78, 216, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
    mix-blend-mode: soft-light;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.form-input {
    background-color: var(--bg-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.4);
}