/* ══════════════════════════════════════════════
   EXPO TURISMO 2026 — Flat Design System
   ══════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────── */
:root {
    /* Primary Palette */
    --color-primary: #0D9488;
    --color-primary-dark: #0A7B71;
    --color-primary-light: #14B8A6;
    --color-primary-50: #F0FDFA;

    /* Accent */
    --color-accent: #F97316;
    --color-accent-dark: #EA580C;
    --color-accent-light: #FB923C;

    /* Neutrals */
    --color-bg: #F3F4F6;
    --color-surface: #FFFFFF;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-focus: var(--color-primary);

    /* Semantic */
    --color-danger: #EF4444;
    --color-danger-light: #FEE2E2;
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;

    /* Spacing & Sizing */
    --radius: 10px;
    --radius-lg: 16px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* ── Navbar ────────────────────────────────── */
.navbar-custom {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

.navbar-custom .navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-primary) !important;
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.navbar-custom .nav-link {
    color: var(--color-text-light) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.navbar-custom .nav-link:hover {
    color: var(--color-primary) !important;
    background: var(--color-primary-50);
}

/* ── Stepper / Progress Bar ────────────────── */
.stepper-container {
    display: flex;
    justify-content: center;
    padding: 1.5rem 0 0.5rem;
}

.stepper {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 600px;
    width: 100%;
}

.stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
}

.stepper-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    z-index: 2;
    border: 3px solid transparent;
}

.stepper-step.active .stepper-circle {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary-50);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
}

.stepper-step.completed .stepper-circle {
    background: var(--color-success);
    color: white;
}

.stepper-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
    text-align: center;
    white-space: nowrap;
}

.stepper-step.active .stepper-label {
    color: var(--color-primary);
    font-weight: 600;
}

.stepper-step.completed .stepper-label {
    color: var(--color-success);
}

.stepper-line {
    height: 3px;
    flex: 1;
    background: var(--color-border);
    margin: 0 -8px;
    margin-bottom: 1.2rem;
    z-index: 1;
}

.stepper-line.completed {
    background: var(--color-success);
}

/* ── Cards (Form containers) ───────────────── */
.card-flat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    transition: box-shadow var(--transition);
}

.card-flat:hover {
    box-shadow: var(--shadow-md);
}

.card-flat .card-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.card-flat .card-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* ── Form Controls (Bootstrap Override) ────── */
.form-control,
.form-select {
    border-radius: var(--radius);
    border: 1.5px solid var(--color-border);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition);
    background-color: var(--color-surface);
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
    border-color: var(--color-primary);
    outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.form-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.invalid-feedback {
    font-size: 0.8rem;
    color: var(--color-danger);
}

/* Floating labels polishing */
.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 3px);
    padding: 1rem 1rem;
}

.form-floating > label {
    padding: 1rem;
    color: var(--color-text-muted);
}

/* ── Checkbox (Facturación) ────────────────── */
.form-check-invoice {
    background: var(--color-primary-50);
    border: 1.5px solid rgba(13, 148, 136, 0.2);
    border-radius: var(--radius);
    padding: 1rem 1rem 1rem 2.8rem;
    margin: 1.5rem 0;
    transition: all var(--transition);
}

.form-check-invoice:hover {
    border-color: var(--color-primary);
}

.form-check-invoice .form-check-input {
    width: 1.3em;
    height: 1.3em;
    margin-top: 0.15em;
}

.form-check-invoice .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-invoice .form-check-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-primary-dark);
    cursor: pointer;
}

/* ── Buttons ───────────────────────────────── */
.btn-primary-flat {
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.85rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.02em;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-primary-flat:hover {
    background-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary-flat:active {
    transform: translateY(0);
}

.btn-primary-flat.btn-full {
    width: 100%;
    padding: 1rem;
    font-size: 1.05rem;
}

.btn-accent-flat {
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.85rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-accent-flat:hover {
    background-color: var(--color-accent-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-flat {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 0.8rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-outline-flat:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

.btn-back {
    background: transparent;
    color: var(--color-text-light);
    border: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-back:hover {
    color: var(--color-text);
    background: rgba(0,0,0,0.04);
}

/* ── Landing Page ──────────────────────────── */
.hero-section {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
}

.hero-left {
    background: linear-gradient(135deg, #0D9488 0%, #065F5A 50%, #042F2E 100%);
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    color: white;
    text-align: center;
}

.hero-left::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-left h1 {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    line-height: 1.1;
}

.hero-left .hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 400px;
    position: relative;
    z-index: 1;
    line-height: 1.6;
}

.hero-left .hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-decorative-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
}

.hero-decorative-circle:nth-child(1) {
    width: 300px; height: 300px;
    bottom: -50px; right: -50px;
}

.hero-decorative-circle:nth-child(2) {
    width: 200px; height: 200px;
    top: -30px; left: -30px;
}

.hero-decorative-circle:nth-child(3) {
    width: 100px; height: 100px;
    top: 40%; left: 60%;
}

.hero-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 64px);
    padding: 3rem 2rem;
}

.hero-actions {
    max-width: 420px;
    width: 100%;
}

.hero-actions h2 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.hero-actions p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.action-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    color: inherit;
}

.action-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: inherit;
}

.action-card .action-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.action-icon.icon-registro {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.action-icon.icon-expositor {
    background: #FFF7ED;
    color: var(--color-accent);
}

.action-icon.icon-empresa {
    background: var(--color-info-light);
    color: var(--color-info);
}

.action-card .action-text h3 {
    font-size: 1.05rem;
    margin: 0 0 0.2rem;
    font-weight: 600;
}

.action-card .action-text p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.4;
}

.action-card .action-arrow {
    margin-left: auto;
    color: var(--color-text-muted);
    transition: all var(--transition);
    font-size: 1.2rem;
}

.action-card:hover .action-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ── Page Content Layout ───────────────────── */
.page-content {
    flex: 1;
    padding: 1.5rem 0 3rem;
}

.form-wrapper {
    max-width: 640px;
    margin: 0 auto;
}

/* ── Ticket Quantity Selector ──────────────── */
.qty-selector {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    width: fit-content;
}

.qty-btn {
    width: 48px;
    height: 48px;
    background: var(--color-bg);
    border: none;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.qty-value {
    width: 64px;
    height: 48px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    background: white;
    color: var(--color-text);
    border-left: 1.5px solid var(--color-border);
    border-right: 1.5px solid var(--color-border);
}

.qty-value:focus {
    outline: none;
}

/* ── Accordion (Asistentes) ────────────────── */
.accordion-flat .accordion-item {
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.accordion-flat .accordion-button {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: none;
    padding: 1rem 1.25rem;
    box-shadow: none !important;
}

.accordion-flat .accordion-button:not(.collapsed) {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.accordion-flat .accordion-button::after {
    background-size: 1rem;
}

.accordion-flat .accordion-body {
    padding: 1.25rem;
    background: var(--color-surface);
}

.attendee-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.7rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-standard {
    background: var(--color-info-light);
    color: var(--color-info);
}

.badge-estudiante {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-vip {
    background: #FEF3C7;
    color: #D97706;
}

/* ── Confirmation Summary ──────────────────── */
.summary-section {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.summary-section h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.35rem 0;
    font-size: 0.95rem;
}

.summary-row .label {
    color: var(--color-text-light);
}

.summary-row .value {
    font-weight: 600;
    color: var(--color-text);
}

.summary-attendee {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.summary-attendee .att-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.summary-attendee .att-detail {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ── Success Page ──────────────────────────── */
.success-container {
    text-align: center;
    padding: 4rem 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.success-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--color-success-light);
    color: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    animation: pulse-success 2s ease infinite;
}

@keyframes pulse-success {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 0 0 15px rgba(16, 185, 129, 0); }
}

.success-container h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.success-container .order-number {
    display: inline-block;
    background: var(--color-primary-50);
    color: var(--color-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 1rem 0;
    letter-spacing: 0.05em;
}

/* ── Alerts / Flash Messages ───────────────── */
.alert-flat {
    border: none;
    border-radius: var(--radius);
    padding: 0.85rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-flat.alert-danger {
    background: var(--color-danger-light);
    color: #991B1B;
}

.alert-flat.alert-warning {
    background: var(--color-warning-light);
    color: #92400E;
}

.alert-flat.alert-success {
    background: var(--color-success-light);
    color: #065F46;
}

.alert-flat.alert-info {
    background: var(--color-info-light);
    color: #1E40AF;
}

/* ── Footer ────────────────────────────────── */
.footer-custom {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    margin-top: auto;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ── Billing Toggle Animation ──────────────── */
.billing-fields {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    padding: 0 1rem;
}

.billing-fields.show {
    max-height: 800px;
    opacity: 1;
    padding: 1.5rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    margin-top: 0.5rem;
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 991.98px) {
    .hero-left {
        min-height: 280px;
        padding: 2rem;
    }

    .hero-left h1 {
        font-size: 2rem;
    }

    .hero-right {
        min-height: auto;
        padding: 2rem 1.5rem;
    }

    .hero-decorative-circle:nth-child(1) {
        width: 180px; height: 180px;
    }
    .hero-decorative-circle:nth-child(2) {
        width: 120px; height: 120px;
    }
}

@media (max-width: 767.98px) {
    .card-flat {
        padding: 1.5rem 1.25rem;
    }

    .stepper-label {
        font-size: 0.6rem;
    }

    .stepper-circle {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
    }

    .hero-left h1 {
        font-size: 1.7rem;
    }

    .hero-actions h2 {
        font-size: 1.3rem;
    }
}

/* ── Utility ───────────────────────────────── */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-section {
    margin-top: 2rem;
}

.gap-row {
    display: flex;
    gap: 1rem;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}