@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
}

/* Hero Section */
.hero-section {
    padding: 100px 0 140px 0;
    background: radial-gradient(circle at top right, #e0e7ff 0%, transparent 40%);
}

.hero-section h1 {
    font-weight: 800;
    letter-spacing: -0.04em;
    color: #1e293b;
}

.hero-section p {
    max-width: 700px;
    color: var(--text-muted);
}

.bg-soft-primary {
    background-color: #dbeafe;
    color: var(--primary);
    font-weight: 600;
}

/* Tool Styling */
#tool { margin-top: -80px; }

.card {
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid var(--border);
}

.form-label {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.custom-textarea {
    border: none !important;
    height: 300px !important;
    font-size: 1.05rem;
    resize: none;
    background: transparent;
}

.custom-textarea:focus { box-shadow: none; }

/* Buttons */
.btn-try {
    background: var(--primary);
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    transition: 0.3s;
}

.btn-try:hover { transform: translateY(-3px); color: white; background: var(--primary-dark); }

.btn-humanize {
    background: #0f172a;
    color: white;
    padding: 18px 50px;
    border-radius: 14px;
    font-weight: 600;
}

.btn-outline-custom {
    border: 1px solid var(--border);
    padding: 18px 50px;
    border-radius: 14px;
    background: white;
}

.btn-copy {
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 8px;
    background: #f1f5f9;
}

/* Steps */
.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
}

/* Accordion */
.accordion-button:not(.collapsed) {
    background-color: #f1f5f9;
    color: var(--primary);
}