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

:root {
    --primary: #1B6B93;
    --primary-dark: #134B66;
    --primary-light: #A2D5EC;
    --primary-bg: #E8F4F8;
    --accent: #4FC0D0;
    --accent-dark: #2A9DAF;
    --success: #27AE60;
    --danger: #E74C3C;
    --warning: #F39C12;
    --text-dark: #1a2332;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-body: #f0f4f8;
    --bg-card: #ffffff;
    --border: #d2dae2;
    --border-light: #e8ecf1;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 20px rgba(27,107,147,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-body); color: var(--text-dark); min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased; }

.site-header { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent-dark) 100%); position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(27,107,147,0.25); }
.header-inner { max-width: 900px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; }
.header-logo { height: 48px; width: auto; filter: brightness(0) invert(1); transition: transform 0.3s; }
.header-logo:hover { transform: scale(1.05); }
.header-title { font-family: var(--font-main); color: #fff; font-size: 1.1rem; font-weight: 700; letter-spacing: 0.5px; text-align: center; flex: 1; }
.header-step { color: rgba(255,255,255,0.85); font-size: 0.85rem; font-weight: 600; background: rgba(255,255,255,0.15); padding: 6px 16px; border-radius: 20px; white-space: nowrap; backdrop-filter: blur(10px); }

.progress-container { max-width: 900px; margin: 0 auto; padding: 20px 24px 0; }
.progress-bar-wrapper { background: var(--bg-card); border-radius: var(--radius-lg); padding: 16px 20px; box-shadow: var(--shadow-sm); }
.progress-steps { display: flex; justify-content: space-between; align-items: center; position: relative; margin-bottom: 8px; }
.progress-line { position: absolute; top: 50%; left: 5%; right: 5%; height: 3px; background: var(--border-light); transform: translateY(-50%); z-index: 0; border-radius: 2px; }
.progress-line-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; transition: width 0.5s ease; }
.progress-step { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-body); border: 3px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: var(--font-main); font-size: 0.75rem; font-weight: 700; color: var(--text-light); position: relative; z-index: 1; transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1); }
.progress-step.active { background: var(--primary); border-color: var(--primary); color: #fff; transform: scale(1.15); box-shadow: 0 0 0 5px rgba(27,107,147,0.2); }
.progress-step.completed { background: var(--success); border-color: var(--success); color: #fff; }
.progress-step.completed::after { content: '✓'; font-size: 0.85rem; }
.progress-step.completed span { display: none; }

.main-container { max-width: 900px; margin: 0 auto; padding: 20px 24px 40px; }

.form-card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; animation: slideUp 0.5s ease-out; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.form-card-header { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 24px 32px; text-align: center; }
.form-card-header h2 { font-family: var(--font-main); color: #fff; font-size: 1.4rem; font-weight: 800; letter-spacing: 1px; margin-bottom: 4px; }
.form-card-header p { color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 500; }
.form-card-body { padding: 32px; }

.form-section { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 2px solid var(--border-light); }
.form-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.form-section-title { font-family: var(--font-main); font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.form-section-title .icon { width: 28px; height: 28px; background: var(--primary-bg); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; }
.form-section-subtitle { font-size: 0.8rem; color: var(--text-light); margin-bottom: 16px; font-style: italic; }

.form-row { display: grid; gap: 16px; margin-bottom: 16px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-row.cols-2-1 { grid-template-columns: 2fr 1fr; }
.form-row.cols-1-2 { grid-template-columns: 1fr 2fr; }
.form-row.cols-3-1 { grid-template-columns: 3fr 1fr; }

@media (max-width: 640px) {
    .form-row.cols-2, .form-row.cols-3, .form-row.cols-4, .form-row.cols-2-1, .form-row.cols-1-2, .form-row.cols-3-1 { grid-template-columns: 1fr; }
}

.form-group { display: flex; flex-direction: column; }
.form-group label { font-family: var(--font-main); font-size: 0.78rem; font-weight: 600; color: var(--text-medium); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group label .req { color: var(--danger); margin-left: 2px; }

.form-control { width: 100%; padding: 10px 14px; font-family: var(--font-body); font-size: 0.95rem; color: var(--text-dark); background: var(--bg-body); border: 2px solid var(--border); border-radius: var(--radius-sm); transition: all 0.3s ease; outline: none; }
.form-control:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(27,107,147,0.1); }
.form-control.error { border-color: var(--danger); background: #fdf2f2; box-shadow: 0 0 0 4px rgba(231,76,60,0.1); }
.form-control::placeholder { color: var(--text-light); font-size: 0.85rem; }

select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 80px; }

.radio-group, .checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.radio-option, .checkbox-option { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 8px 14px; border: 2px solid var(--border); border-radius: var(--radius-sm); transition: all 0.25s ease; font-size: 0.88rem; background: var(--bg-body); }
.radio-option:hover, .checkbox-option:hover { border-color: var(--primary-light); background: var(--primary-bg); }
.radio-option:has(input:checked), .checkbox-option:has(input:checked) { border-color: var(--primary); background: var(--primary-bg); }
.radio-option input, .checkbox-option input { accent-color: var(--primary); width: 16px; height: 16px; }

.legal-text { background: var(--bg-body); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 20px; margin: 16px 0; font-size: 0.88rem; line-height: 1.7; color: var(--text-medium); max-height: 300px; overflow-y: auto; }
.legal-text.bold-text { font-weight: 600; font-style: italic; color: var(--text-dark); }
.legal-text ul { padding-left: 20px; margin: 10px 0; }
.legal-text ul li { margin-bottom: 6px; }

.signature-container { margin-top: 12px; }
.signature-label { font-family: var(--font-main); font-size: 0.85rem; font-weight: 600; color: var(--text-medium); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.signature-pad-wrapper { border: 2px dashed var(--border); border-radius: var(--radius-md); background: #fff; position: relative; overflow: hidden; transition: border-color 0.3s; cursor: crosshair; }
.signature-pad-wrapper:hover, .signature-pad-wrapper.active { border-color: var(--primary); }
.signature-pad-wrapper.error { border-color: var(--danger); }
.signature-pad-wrapper canvas { display: block; width: 100%; touch-action: none; }
.signature-placeholder { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: var(--text-light); font-size: 0.9rem; pointer-events: none; opacity: 0.6; transition: opacity 0.3s; }
.signature-pad-wrapper.has-signature .signature-placeholder { opacity: 0; }
.signature-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.btn-clear-sig { background: none; border: 1px solid var(--border); color: var(--text-light); font-size: 0.78rem; padding: 5px 14px; border-radius: 6px; cursor: pointer; font-family: var(--font-main); font-weight: 600; transition: all 0.2s; }
.btn-clear-sig:hover { border-color: var(--danger); color: var(--danger); background: #fdf2f2; }

.form-nav { display: flex; justify-content: space-between; align-items: center; padding: 24px 32px; background: var(--bg-body); border-top: 1px solid var(--border-light); }
.btn { font-family: var(--font-main); font-weight: 700; font-size: 0.92rem; padding: 12px 32px; border: none; border-radius: var(--radius-sm); cursor: pointer; transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1); display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent-dark)); color: #fff; box-shadow: 0 4px 15px rgba(27,107,147,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(27,107,147,0.4); }
.btn-secondary { background: var(--bg-card); color: var(--text-medium); border: 2px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-submit { background: linear-gradient(135deg, var(--success), #2ecc71); color: #fff; box-shadow: 0 4px 15px rgba(39,174,96,0.3); font-size: 1rem; padding: 14px 40px; }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(39,174,96,0.4); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(4px); padding: 20px; }
.modal-overlay.show { display: flex; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content { background: var(--bg-card); border-radius: var(--radius-lg); max-width: 480px; width: 100%; overflow: hidden; box-shadow: var(--shadow-lg); animation: modalSlide 0.4s cubic-bezier(0.34,1.56,0.64,1); max-height: 80vh; display: flex; flex-direction: column; }
@keyframes modalSlide { from { opacity: 0; transform: scale(0.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header { background: linear-gradient(135deg, var(--danger), #c0392b); padding: 20px 24px; display: flex; align-items: center; gap: 12px; }
.modal-header .modal-icon { width: 40px; height: 40px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.modal-header h3 { color: #fff; font-family: var(--font-main); font-size: 1.1rem; font-weight: 700; }
.modal-body { padding: 24px; overflow-y: auto; }
.modal-body ul { list-style: none; padding: 0; }
.modal-body ul li { padding: 10px 14px; margin-bottom: 6px; background: #fdf2f2; border-left: 4px solid var(--danger); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.88rem; color: var(--text-dark); font-weight: 500; }
.modal-footer { padding: 16px 24px; background: var(--bg-body); text-align: right; }
.btn-modal-close { background: var(--primary); color: #fff; border: none; padding: 10px 28px; border-radius: var(--radius-sm); font-family: var(--font-main); font-weight: 700; font-size: 0.88rem; cursor: pointer; transition: all 0.2s; }
.btn-modal-close:hover { background: var(--primary-dark); }

.index-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; background: linear-gradient(135deg, #e8f4f8 0%, #d4ecf7 30%, #c5e4ef 60%, #b6dce7 100%); position: relative; overflow: hidden; }
.index-container::before { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(27,107,147,0.08) 0%, transparent 70%); top: -100px; right: -100px; border-radius: 50%; }
.index-container::after { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(79,192,208,0.08) 0%, transparent 70%); bottom: -80px; left: -80px; border-radius: 50%; }
.index-card { background: var(--bg-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); padding: 50px 40px; max-width: 520px; width: 100%; text-align: center; position: relative; z-index: 1; animation: slideUp 0.6s ease-out; }
.index-logo { width: 120px; height: auto; margin-bottom: 24px; filter: drop-shadow(0 4px 12px rgba(27,107,147,0.2)); }
.index-card h1 { font-family: var(--font-main); font-size: 1.8rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 4px; }
.index-card h2 { font-family: var(--font-main); font-size: 1rem; font-weight: 500; color: var(--text-light); margin-bottom: 32px; }
.index-card p.select-lang { font-size: 0.95rem; color: var(--text-medium); margin-bottom: 20px; font-weight: 500; }

.lang-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 30px; }
.lang-option { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border: 2px solid var(--border); border-radius: var(--radius-md); cursor: pointer; transition: all 0.3s; background: var(--bg-body); }
.lang-option:hover { border-color: var(--primary-light); background: var(--primary-bg); transform: translateX(4px); }
.lang-option.selected { border-color: var(--primary); background: var(--primary-bg); box-shadow: var(--shadow-glow); }
.lang-option input[type="radio"] { accent-color: var(--primary); width: 18px; height: 18px; }
.lang-option .lang-flag { font-size: 1.6rem; }
.lang-option .lang-name { font-family: var(--font-main); font-weight: 600; font-size: 1rem; color: var(--text-dark); }
.btn-start { width: 100%; padding: 16px; font-size: 1.05rem; justify-content: center; }

.gracias-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; background: linear-gradient(135deg, #e8f4f8 0%, #d4ecf7 50%, #c5e4ef 100%); }
.gracias-card { background: var(--bg-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); padding: 50px 40px; max-width: 520px; width: 100%; text-align: center; animation: slideUp 0.6s ease-out; }
.gracias-card .check-circle { width: 80px; height: 80px; background: linear-gradient(135deg, var(--success), #2ecc71); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 2.5rem; color: #fff; box-shadow: 0 8px 30px rgba(39,174,96,0.3); animation: scaleIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.2s both; }
@keyframes scaleIn { from { transform: scale(0); } to { transform: scale(1); } }
.gracias-card h1 { font-family: var(--font-main); font-size: 2rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }
.gracias-card .msg { font-size: 1.05rem; color: var(--text-medium); margin-bottom: 20px; }
.gracias-card .reminder { background: var(--primary-bg); border: 1px solid var(--primary-light); border-radius: var(--radius-md); padding: 16px 20px; font-family: var(--font-main); font-weight: 600; font-size: 0.95rem; color: var(--primary-dark); margin-bottom: 28px; display: flex; align-items: center; gap: 10px; justify-content: center; }
.gracias-card .reminder .bell { font-size: 1.3rem; }

.spinner-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.9); z-index: 2000; align-items: center; justify-content: center; flex-direction: column; gap: 16px; backdrop-filter: blur(8px); }
.spinner-overlay.show { display: flex; }
.spinner { width: 48px; height: 48px; border: 4px solid var(--border-light); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-text { font-family: var(--font-main); font-size: 1rem; font-weight: 600; color: var(--primary); }

@media (max-width: 640px) {
    .header-inner { padding: 10px 16px; }
    .header-title { font-size: 0.85rem; display: none; }
    .form-card-body { padding: 20px 16px; }
    .form-nav { padding: 16px; flex-wrap: wrap; gap: 10px; }
    .btn { padding: 10px 24px; font-size: 0.85rem; }
    .index-card, .gracias-card { padding: 32px 24px; }
    .radio-group, .checkbox-group { flex-direction: column; }
    .form-card-header h2 { font-size: 1.1rem; }
}