/* =====================================================================
   Estruturador de Sermões — estilos (mobile-first, sem frameworks)
   ===================================================================== */

:root {
    --color-blue: #12A8E8;
    --color-blue-hover: #0794CF;
    --color-blue-dark: #123A63;
    --color-gold: #D99100;
    --color-beige: #FFF6E7;
    --color-beige-border: #F2D6A2;
    --color-text: #19324A;
    --color-bg: #FAFBFC;
    --color-white: #FFFFFF;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 2px 10px rgba(18, 58, 99, 0.06);
    --shadow-md: 0 8px 28px rgba(18, 58, 99, 0.10);

    --transition-fast: 200ms ease;
    --transition-medium: 260ms ease;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, blockquote {
    margin: 0;
}

button {
    font-family: inherit;
}

img, svg {
    max-width: 100%;
    display: block;
}

a {
    color: var(--color-blue);
}

/* ---------------------------------------------------------------------
   Layout geral do app
   --------------------------------------------------------------------- */

.app {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.app__progress {
    height: 3px;
    width: 100%;
    background: var(--color-beige-border);
    position: sticky;
    top: 0;
    z-index: 5;
}

.app__progress-bar {
    height: 100%;
    width: 0%;
    background: var(--color-blue);
    transition: width var(--transition-medium);
}

.quiz {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ---------------------------------------------------------------------
   Etapas (steps)
   --------------------------------------------------------------------- */

.step {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 20px calc(32px + env(safe-area-inset-bottom, 0px));
    min-height: calc(100dvh - 3px);
}

.step[hidden] {
    display: none;
}

.step.is-active {
    display: flex;
}

.step__inner {
    width: 100%;
    max-width: 560px;
    margin: auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    opacity: 0;
    transform: translateY(12px);
    animation: step-in var(--transition-medium) forwards;
}

@keyframes step-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .step__inner {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

.step__title {
    font-size: 1.6rem;
    line-height: 1.3;
    font-weight: 700;
    color: var(--color-blue-dark);
    outline: none;
}

.step__subtitle {
    font-size: 1.05rem;
    color: var(--color-text);
    opacity: 0.85;
}

.step__text {
    font-size: 1rem;
    line-height: 1.6;
}

.step__text--muted {
    opacity: 0.75;
    font-size: 0.92rem;
}

.step__footer-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-blue-dark);
}

.step__illustration {
    display: flex;
    justify-content: center;
    margin-bottom: 4px;
}

.step__disclaimer {
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.7;
}

/* ---------------------------------------------------------------------
   Botão voltar
   --------------------------------------------------------------------- */

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    border: none;
    background: transparent;
    color: var(--color-text);
    opacity: 0.6;
    font-size: 0.95rem;
    padding: 8px 4px;
    cursor: pointer;
    min-height: 44px;
}

.back-btn:hover,
.back-btn:focus-visible {
    opacity: 1;
}

.back-btn__icon {
    transform: rotate(180deg);
    width: 16px;
    height: 16px;
}

/* ---------------------------------------------------------------------
   Botões principais
   --------------------------------------------------------------------- */

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-blue);
    color: var(--color-white);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

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

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:focus-visible {
    outline: 3px solid var(--color-blue-dark);
    outline-offset: 2px;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary--offer:hover {
    background: #C08000;
}

.btn-primary--delayed {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 400ms ease;
}

.btn-primary--delayed.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
    .btn-primary--delayed {
        transition: none;
    }
}

/* ---------------------------------------------------------------------
   Opções (radiogroup)
   --------------------------------------------------------------------- */

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opt-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 56px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-beige-border);
    background: var(--color-white);
    color: var(--color-blue-dark);
    font-size: 1.02rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.opt-btn:hover {
    border-color: var(--color-blue);
}

.opt-btn:focus-visible {
    outline: 3px solid var(--color-blue);
    outline-offset: 2px;
}

.opt-btn:active {
    transform: scale(0.99);
}

.opt-btn[aria-checked="true"] {
    border-color: var(--color-blue);
    background: var(--color-beige);
}

.opt-btn__chevron {
    color: var(--color-blue);
    flex-shrink: 0;
    display: flex;
}

/* ---------------------------------------------------------------------
   Cards
   --------------------------------------------------------------------- */

.card-info,
.card-testimonial,
.highlight-box {
    background: var(--color-beige);
    border: 1px solid var(--color-beige-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.card-info__intro {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-blue-dark);
}

.card-testimonial__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.card-testimonial__avatar {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.card-testimonial__name {
    font-weight: 700;
    color: var(--color-blue-dark);
}

.card-testimonial__info {
    font-size: 0.85rem;
    opacity: 0.7;
}

.card-testimonial__text {
    line-height: 1.6;
}

.testimonials-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stars {
    display: flex;
    gap: 3px;
    margin-bottom: 10px;
}

.highlight-box {
    background: var(--color-beige);
    text-align: center;
}

.highlight-box__text {
    font-weight: 700;
    color: var(--color-blue-dark);
    font-size: 1.08rem;
    line-height: 1.5;
}

.scripture-quote {
    display: block;
    font-style: italic;
    padding: 16px 18px;
    border-left: 3px solid var(--color-gold);
    background: var(--color-beige);
    border-radius: var(--radius-sm);
    line-height: 1.6;
}

/* ---------------------------------------------------------------------
   Lista de estatísticas
   --------------------------------------------------------------------- */

.stats-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stats-list__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.stats-list__icon {
    flex-shrink: 0;
    display: flex;
    margin-top: 1px;
}

/* ---------------------------------------------------------------------
   Vídeo
   --------------------------------------------------------------------- */

.video-wrap {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-blue-dark);
}

.video-wrap__frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
}

.video-wrap__frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-wrap__frame a {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    background: var(--color-blue-dark);
    text-decoration: none;
    font-weight: 600;
}

/* ---------------------------------------------------------------------
   Toast / loading
   --------------------------------------------------------------------- */

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: var(--color-blue-dark);
    color: var(--color-white);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    box-shadow: var(--shadow-md);
    z-index: 20;
    max-width: calc(100% - 40px);
    text-align: center;
}

.toast[hidden] {
    display: none;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(250, 251, 252, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
}

.loading-overlay[hidden] {
    display: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 4px solid var(--color-beige-border);
    border-top-color: var(--color-blue);
    animation: spin 800ms linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation-duration: 1600ms;
    }
}

/* ---------------------------------------------------------------------
   Foco visível geral
   --------------------------------------------------------------------- */

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-blue-dark);
    outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Responsivo — Desktop
   --------------------------------------------------------------------- */

@media (min-width: 768px) {
    .step {
        padding: 56px 32px;
        align-items: center;
    }

    .step__inner {
        max-width: 620px;
        gap: 24px;
    }

    .step__title {
        font-size: 2rem;
    }

    .step__subtitle {
        font-size: 1.15rem;
    }

    .btn-primary,
    .opt-btn {
        font-size: 1.08rem;
    }
}

@media (min-width: 1024px) {
    .step__inner {
        max-width: 680px;
    }
}