@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #6366f1 100%);
    --text-dark: #1e293b;
    --text-light: #f8fafc;
    --bg-light: #f5f7fa;
    --card-bg: #ffffff;
    --border-radius: 12px;
    --transition-fast: 0.25s ease;
}

/* Base setup */
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Header (shared) */
header.bg-dark {
    background: var(--primary-gradient);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

header h1, header a {
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Hero (homepage) */
.hero {
    background: var(--primary-gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h2 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero p {
    opacity: 0.9;
}

.hero .btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.hero .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

/* Features icons */
#features i {
    color: var(--primary-color);
}

#features h5 {
    font-weight: 600;
    margin-top: 0.75rem;
}

/* CTA section */
#cta {
    background: var(--primary-gradient);
    color: white;
}

#cta .btn {
    border-radius: var(--border-radius);
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-fast);
}

#cta .btn:hover {
    background: var(--primary-color);
    color: white;
}

/* Signup / Forms */
.header, .intro-panel, .form-container, footer {
    max-width: 800px;
    margin: 2.5rem auto;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2.25rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Visual spacing rhythm */
.header:not(:first-child),
.intro-panel:not(:first-child),
.form-container:not(:first-child) {
    margin-top: 2rem;
}

/* Header styling */
.header h1 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.header p {
    color: #475569;
    margin-top: 0;
}

/* Form groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    font-weight: 500;
    display: block;
    margin-bottom: 0.35rem;
}

.form-group i {
    font-size: 0.875rem;
    color: #64748b;
    display: block;
    margin-bottom: 0.4rem;
}

/* Inputs */
input, select, textarea, button {
    border-radius: var(--border-radius);
    border: 1px solid #cbd5e1;
    padding: 0.75rem;
    width: 100%;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background-color: white;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Buttons */
button {
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    padding: 0.9rem 1.5rem;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* Step navigation */
.step-nav {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.75rem;
}

.step-nav button {
    flex: 0 1 180px;
}

/* Checkbox & links */
input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    transform: scale(1.2);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    background: transparent;
    box-shadow: none;
    font-size: 0.9rem;
    color: #64748b;
    padding: 1rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header, .intro-panel, .form-container {
        margin: 1.5rem 1rem;
        padding: 1.75rem;
    }

    .step-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .step-nav button {
        flex: 1 1 auto;
    }
}


/* Normalize native select styling */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: #fff;
    color: var(--text-dark);
    border: 1px solid #cbd5e1;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    width: 100%;
    background-image: none !important;
}

footer {
    background: linear-gradient(90deg, #1d3ede, #365df0);
    color: #fff;
    text-align: center;
    padding: 40px 0 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

footer p {
    margin-bottom: 12px;
    font-size: 0.9rem;
    opacity: 0.9;
}

footer a {
    color: #fff;
    opacity: 0.9;
    transition: all 0.3s ease;
}

footer a:hover {
    opacity: 1;
    color: #ffffff;
    text-decoration: none;
}

footer i {
    font-size: 1.6rem;
    margin: 0 8px;
    vertical-align: middle;
}