/* ============================================================
   assets/css/style.css – Estilos globales TyC_Viajes
   Toque y Toque
   ============================================================ */

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --navy:        #1a2b5e;
    --navy-dark:   #0d1b4b;
    --navy-light:  #2a4a9e;
    --blue-soft:   #eff6ff;
    --blue-accent: #3b82f6;
    --white:       #ffffff;
    --gray-50:     #f9fafb;
    --gray-100:    #f3f4f6;
    --gray-200:    #e5e7eb;
    --gray-400:    #9ca3af;
    --gray-600:    #4b5563;
    --gray-800:    #1f2937;
    --green:       #10b981;
    --red:         #ef4444;
    --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:   0 4px 16px rgba(0,0,0,0.10);
    --shadow-lg:   0 12px 40px rgba(0,0,0,0.15);
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   20px;
    --transition:  0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── HEADER ── */
.site-header {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-mark {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    backdrop-filter: blur(4px);
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.logo-text span {
    font-size: 12px;
    color: rgba(255,255,255,0.65);
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ── MAIN CONTAINER ── */
.main-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* ── SECTION CARD ── */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 28px 32px 0;
}

.card-body {
    padding: 24px 32px 32px;
}

/* ── TÍTULOS DE SECCIÓN ── */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--blue-soft);
    color: var(--navy);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
}

.section-desc {
    font-size: 14px;
    color: var(--gray-600);
}

/* ── FORMULARIO ── */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 560px) {
    .form-row { grid-template-columns: 1fr; }
    .card-body, .card-header { padding-left: 20px; padding-right: 20px; }
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--gray-800);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-group input:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(26,43,94,0.10);
}

.form-group input::placeholder { color: var(--gray-400); }

/* ── TERMS BOX ── */
.terms-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 12px;
}

.terms-box {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 20px;
    max-height: 320px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.8;
    color: var(--gray-600);
    white-space: pre-wrap;
    scroll-behavior: smooth;
    transition: border-color var(--transition);
}

.terms-box::-webkit-scrollbar { width: 6px; }
.terms-box::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 4px; }
.terms-box::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 4px; }

.terms-scroll-hint {
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

/* ── CHECKBOX ── */
.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--blue-soft);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    margin-top: 16px;
}

.checkbox-wrapper:hover { border-color: var(--navy); }
.checkbox-wrapper.checked { border-color: var(--navy); background: rgba(26,43,94,0.06); }

.checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    accent-color: var(--navy);
    cursor: pointer;
    margin-top: 2px;
}

.checkbox-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--navy);
    line-height: 1.5;
}

/* ── BOTÓN PRINCIPAL ── */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    margin-top: 20px;
    letter-spacing: 0.2px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26,43,94,0.35);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-primary .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-primary.loading .spinner { display: block; }
.btn-primary.loading .btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── ALERTA ERROR ── */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    display: none;
    align-items: flex-start;
    gap: 10px;
}

.alert.show { display: flex; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: var(--red); }
.alert-success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }

/* ── PANTALLA DE CONFIRMACIÓN ── */
.confirmation-screen {
    display: none;
    text-align: center;
    padding: 60px 32px;
    animation: fadeInUp 0.5s ease;
}

.confirmation-screen.show { display: block; }

.confirmation-icon {
    font-size: 80px;
    margin-bottom: 20px;
    display: block;
    animation: bounceIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.confirmation-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.confirmation-subtitle {
    font-size: 16px;
    color: var(--gray-600);
    max-width: 400px;
    margin: 0 auto;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounceIn {
    from { transform: scale(0.3); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

/* ── EMPTY STATE ── */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--gray-400);
}

.empty-state-icon { font-size: 64px; margin-bottom: 16px; display: block; }
.empty-state h3 { font-size: 18px; color: var(--gray-600); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ── NO TERMS WARNING ── */
.no-terms-warning {
    background: #fffbeb;
    border: 2px solid #fcd34d;
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    color: #92400e;
}

.no-terms-warning strong { display: block; margin-bottom: 6px; }