/* ============================================
   DEMO.CSS - Estilos exclusivos para la página /demo
   ============================================ */

/* ============================================
   CSS VARIABLES (heredadas de TimbraClick)
   ============================================ */
:root {
    --color-primary: #4b7ce2;
    --color-primary-dark: #2945b2;
    --color-primary-darker: #143062;
    --color-primary-light: #6fa3d2;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    line-height: 1.4;
    gap: 8px;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(75, 124, 226, 0.35);
}

.btn--secondary {
    background: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--large {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn--small {
    padding: 6px 16px;
    font-size: 0.75rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ============================================
   LOGO
   ============================================ */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo__wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.logo__text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-primary-darker);
}

.logo__text span {
    color: var(--color-primary);
}

.logo__subtitle {
    font-size: 0.55rem;
    font-weight: 500;
    color: var(--color-gray-600);
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin-top: 1px;
    text-align: center;
}

/* ============================================
   HEADER DEMO
   ============================================ */
.demo-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 12px 0;
}

.demo-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.demo-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fef2f2;
    color: #dc2626;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid #fecaca;
}

/* ============================================
   HERO DEMO
   ============================================ */
.demo-hero {
    padding: 60px 0 40px;
    background: linear-gradient(165deg, var(--color-primary-darker) 0%, var(--color-primary-dark) 60%, var(--color-primary) 100%);
    position: relative;
    overflow: hidden;
}

.demo-hero__content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.demo-hero__tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.demo-hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 16px;
}

.demo-hero h1 span {
    color: var(--color-primary-light);
}

.demo-hero__sub {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.demo-hero__steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.step {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    flex-shrink: 0;
}

/* ============================================
   FORMULARIO DEMO
   ============================================ */
.demo-form-section {
    padding: 40px 0 20px;
}

.demo-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 40px 48px;
    margin-bottom: 32px;
    transition: all 0.3s ease;
}

.demo-card--portal {
    border-left: 4px solid var(--color-primary);
}

.demo-card__header {
    text-align: center;
    margin-bottom: 32px;
}

.demo-card__icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

.demo-card__header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-darker);
    margin-bottom: 4px;
}

.demo-card__header p {
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

/* ============================================
   FORMULARIO
   ============================================ */
.demo-form .form-group {
    margin-bottom: 20px;
}

.demo-form .form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 4px;
    font-size: 0.875rem;
}

.demo-form .form-group input,
.demo-form .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-family);
    transition: border-color 0.2s ease;
    background: var(--color-white);
    box-sizing: border-box;
}

.demo-form .form-group input:focus,
.demo-form .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(75, 124, 226, 0.1);
}

.demo-form .form-group input:disabled,
.demo-form .form-group input[readonly] {
    background: var(--color-gray-50);
    cursor: not-allowed;
    opacity: 0.8;
}

.demo-form .form-group small {
    display: block;
    color: var(--color-gray-400);
    font-size: 0.75rem;
    margin-top: 4px;
}

.demo-form .btn {
    width: 100%;
    justify-content: center;
}

.demo-disclaimer {
    text-align: center;
    font-size: 0.65rem;
    color: var(--color-gray-400);
    margin-top: 16px;
    line-height: 1.5;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.demo-disclaimer--portal {
    margin-top: 12px;
}

/* ============================================
   RESULTADO LINK GENERADO
   ============================================ */
.demo-link-result {
    margin-top: 32px;
    padding: 24px;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-primary);
    animation: slideUp 0.4s ease;
}

.demo-link-result__header {
    text-align: center;
    margin-bottom: 16px;
}

.demo-link-result__icon {
    font-size: 2rem;
    display: block;
}

.demo-link-result__header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-darker);
    margin-top: 4px;
}

.demo-link-result__sub {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.demo-link-result__url {
    background: var(--color-white);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-200);
    word-break: break-all;
    margin-bottom: 16px;
}

.demo-link-text {
    font-size: 0.85rem;
    color: var(--color-gray-800);
    font-family: monospace;
}

.demo-link-result__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.demo-link-result__actions .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

.demo-link-result__note {
    text-align: center;
    font-size: 0.7rem;
    color: var(--color-gray-400);
    margin-top: 12px;
}

/* ============================================
   PORTAL DE FACTURACIÓN
   ============================================ */
.demo-portal-section {
    padding: 0 0 60px;
}

.demo-portal-banner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #fefce8;
    border: 1px solid #fde68a;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 24px;
}

.demo-portal-banner span {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.demo-portal-banner strong {
    color: #92400e;
    font-size: 0.85rem;
    display: block;
}

.demo-portal-banner p {
    color: #78716c;
    font-size: 0.8rem;
    margin: 0;
    line-height: 1.5;
}

.demo-portal-banner p strong {
    display: inline;
    color: #92400e;
}

/* ============================================
   RESUMEN DEL SERVICIO (PORTAL)
   ============================================ */
.demo-portal-resumen {
    background: var(--color-gray-50);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 24px;
    border: 1px solid var(--color-gray-200);
}

.demo-portal-resumen h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 10px;
}

.demo-portal-resumen__row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-gray-200);
    font-size: 0.9rem;
}

.demo-portal-resumen__row:last-child {
    border-bottom: none;
}

.demo-portal-resumen__row .label {
    color: var(--color-gray-500);
}

.demo-portal-resumen__row .value {
    font-weight: 600;
    color: var(--color-gray-800);
}

.demo-portal-resumen__row.total .value {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* ============================================
   FORMULARIO PORTAL
   ============================================ */
.demo-form--portal .demo-form__section {
    margin-bottom: 24px;
}

.demo-form--portal .demo-form__section h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 12px;
    border-bottom: 2px solid var(--color-gray-200);
    padding-bottom: 8px;
}

.demo-form__section-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 0.8rem;
    color: #166534;
    line-height: 1.5;
}

.demo-form__section-note span {
    font-size: 1rem;
    flex-shrink: 0;
}

/* ============================================
   CTA FINAL
   ============================================ */
.demo-cta {
    padding: 60px 0;
    background: linear-gradient(165deg, var(--color-primary-darker) 0%, var(--color-primary-dark) 100%);
}

.demo-cta__box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.demo-cta__box h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 12px;
}

.demo-cta__box p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.demo-cta__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.demo-cta__actions .btn--outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
}

.demo-cta__actions .btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
.demo-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 60px 0 0;
}

.demo-footer__container {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.demo-footer__brand .logo__text {
    color: var(--color-white);
}

.demo-footer__brand .logo__text span {
    color: var(--color-primary);
}

.demo-footer__brand .logo__subtitle {
    color: var(--color-gray-400);
}

.demo-footer__description {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--color-gray-400);
    max-width: 280px;
}

.demo-footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.demo-footer__links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: 12px;
}

.demo-footer__links ul li {
    margin-bottom: 6px;
}

.demo-footer__links ul li a {
    font-size: 0.9rem;
    color: var(--color-gray-400);
    transition: color 0.2s ease;
}

.demo-footer__links ul li a:hover {
    color: var(--color-primary-light);
}

.demo-footer__bottom {
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.2);
}

.demo-footer__bottom p {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

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

    .demo-hero__sub {
        font-size: 0.95rem;
        padding: 0 16px;
    }

    .demo-hero__steps {
        gap: 20px;
    }

    .step {
        font-size: 0.8rem;
    }

    .demo-card {
        padding: 24px 20px;
    }

    .demo-card__header h2 {
        font-size: 1.2rem;
    }

    .demo-link-result__actions {
        flex-direction: column;
    }

    .demo-link-result__actions .btn {
        min-width: unset;
    }

    .demo-portal-resumen__row {
        flex-direction: column;
        gap: 2px;
    }

    .demo-portal-resumen__row .value {
        font-size: 0.9rem;
    }

    .demo-cta__box h2 {
        font-size: 1.5rem;
    }

    .demo-cta__actions {
        flex-direction: column;
        align-items: center;
    }

    .demo-cta__actions .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .demo-footer__container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 16px 40px;
    }

    .demo-footer__links {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .demo-footer__brand {
        text-align: center;
    }

    .demo-footer__description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .demo-footer__bottom p {
        font-size: 0.7rem;
        padding: 0 16px;
    }

    .demo-header__actions .demo-badge {
        font-size: 0.6rem;
        padding: 2px 10px;
    }

    .demo-header__actions .btn--small {
        font-size: 0.65rem;
        padding: 4px 12px;
    }

    .demo-badge {
        font-size: 0.6rem;
        padding: 2px 10px;
    }

    .demo-portal-banner {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .demo-form__section-note {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .demo-hero h1 {
        font-size: 1.6rem;
    }

    .demo-hero__steps {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .demo-card {
        padding: 16px 14px;
    }

    .logo__text {
        font-size: 1rem;
    }

    .logo__subtitle {
        font-size: 0.4rem;
    }

    .logo__icon {
        width: 32px !important;
        height: 32px !important;
    }

    .btn--large {
        font-size: 0.85rem;
        padding: 12px 20px;
    }

    .demo-footer__links {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }

    .demo-footer__links h4 {
        font-size: 0.8rem;
    }

    .demo-footer__links ul li a {
        font-size: 0.8rem;
    }

    .demo-link-result {
        padding: 16px;
    }

    .demo-link-text {
        font-size: 0.7rem;
    }
}