:root {
    --primary: #038181;
    --primary-hover: #026464;
    --bg-page: #FAF8F4;
    --bg-white: #ffffff;
    --border: #f1f5f9;
    --text-main: #0f172a;
    --text-sub: #64748b;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
    --radius-card: 16px;
    --radius-input: 10px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    padding: 15px;
    line-height: 1.5;
}

.container { max-width: 1240px; margin: 0 auto; }

/* --- NEW HERO SECTION --- */
.df-hero {
    text-align: center;
    max-width: 800px;
    margin: 60px auto 40px;
}
.df-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.df-hero p {
    font-size: 1.1rem;
    color: var(--text-sub);
}

/* --- TOOL GRID --- */
.main-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    background: #fff;
    padding: 15px 20px;
    border-bottom: 2px solid #f8fafc;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: #94a3b8;
    font-weight: 700;
}
.card-body { padding: 20px; }

/* --- INPUTS --- */
label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-sub);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="text"], input[type="date"], input[type="time"], select, textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-input);
    font-size: 1rem;
    background: #f8fafc;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(3, 129, 129, 0.1);
}

textarea { height: 120px; resize: vertical; }

.form-row, .form-row[style] { 
    display: flex !important; 
    flex-direction: column !important; 
    gap: 15px; 
    margin-bottom: 20px; 
}

.checkbox-group { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.checkbox-label { display: flex; align-items: center; font-weight: 600; cursor: pointer; font-size: 0.95rem; }
input[type="checkbox"] { transform: scale(1.3); margin-right: 10px; accent-color: var(--primary); }

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: var(--radius-input);
    cursor: pointer;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.color-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}
.color-input-group { display: flex; align-items: center; gap: 8px; width: 100%; justify-content: space-between; }
.hex-input { width: 100px !important; text-align: right; font-family: monospace; }
input[type="color"] { -webkit-appearance: none; border: none; width: 36px; height: 36px; cursor: pointer; }

.hidden { display: none; }

/* --- PREVIEW --- */
.preview-wrapper {
    border: 2px dashed #e2e8f0;
    border-radius: 12px;
    background: #fdfdfd;
    padding: 15px 5px;
    min-height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.timer-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 65px;
    margin: 0 4px;
}
.timer-num { font-size: 1.6rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.timer-label { font-size: 0.7rem; opacity: 0.9; font-weight: 600; }

/* --- NEW SECTIONS --- */
.df-section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    margin: 60px 0 30px;
}

.df-benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.df-benefit-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 16px;
}

.df-benefit-card h4 { color: var(--primary); margin-bottom: 10px; font-weight: 800; }

.df-setup-list { margin-top: 30px; }
.df-setup-step { display: flex; gap: 20px; margin-bottom: 25px; }
.df-step-number {
    background: var(--primary);
    color: #fff;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}
.df-step-content h4 { margin-bottom: 5px; font-weight: 800; }

/* --- CTA BOX --- */
.df-cta-box {
    background: var(--primary);
    border-radius: 24px;
    padding: 40px 25px;
    margin: 60px 0;
    color: #fff;
    text-align: left;
}
.df-cta-box h3 { color: #fff; font-size: 1.8rem; margin-bottom: 15px; font-weight: 800; }
.df-cta-list { list-style: none; margin: 25px 0; }
.df-cta-list li { margin-bottom: 12px; font-size: 1rem; }
.df-cta-btn {
    display: inline-block;
    background: #fff;
    color: var(--primary);
    padding: 16px 30px;
    border-radius: 12px;
    font-weight: 800;
    text-decoration: none;
}

/* --- RESPONSIVENESS --- */
@media (min-width: 768px) {
    body { padding: 20px; }
    .df-benefits-grid { grid-template-columns: 1fr 1fr; }
    .card-body { padding: 35px; }
    .form-row { display: grid !important; grid-template-columns: 1fr 1fr !important; }
    .form-row[style] { grid-template-columns: 2fr 1.5fr 1fr !important; }
    .checkbox-group { flex-direction: row; gap: 20px; }
    .color-row { flex-direction: row; justify-content: space-between; align-items: center; }
    .color-input-group { width: auto; }
    .timer-block { width: 96px; height: 96px; margin: 0 8px; }
    .timer-num { font-size: 2.5rem; }
}

@media (min-width: 992px) {
    .main-grid { 
        display: grid; 
        grid-template-columns: 1.4fr 1fr; 
        gap: 30px; 
        align-items: start; 
    }
    .sticky-col { position: sticky; top: 20px; }
    .df-hero h1 { font-size: 2.8rem; }
}