/* =====================================================================================================================
  Medidas e tipografia — espelho de `vega/front-end/src/themes.scss` (margem 20, toolbar 64, raio 4, card 360/280, Roboto Slab).
===================================================================================================================== */
:root {
    --margin: 20px;
    --margin-max: 40px;
    --margin-x-max: 80px;
    --margin-min: 10px;
    --margin-x-min: 5px;
    --toolbar-height: 64px;
    --control-size: 40px;
    --border-radius: 4px;
    --size-min: 12px;
    --size-page: 14px;
    --size-menu: 16px;
    --size-sub-title: 18px;
    --size-title: 20px;
    --size-big-title: 40px;
    --card-width: 360px;
    --card-width-min: 280px;
    --border-color: var(--background-3);
    --color-hover: color-mix(in srgb, var(--gray) 10%, transparent);
    /* Largura do conteúdo: três cards lado a lado com a margem entre eles e a das bordas. */
    --content-width: calc(var(--card-width) * 3 + var(--margin) * 4);
    --card-image-height: 200px;
}

/* =====================================================================================================================
  Página
===================================================================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    /* A toolbar é fixa: a âncora de seção para logo abaixo dela em vez de esconder o título. */
    scroll-padding-top: calc(var(--toolbar-height) + var(--margin));
}

body {
    margin: 0;
    font-family: "Roboto Slab", "Helvetica Neue", sans-serif;
    font-size: var(--size-page);
    line-height: 1.5;
    background: var(--background-1);
    color: var(--background-4);
}

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

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

/* Material Symbols Rounded — FILL 1 + peso 500, igual ao `.mat-icon` do Vega. */
.mat-icon {
    font-family: "Material Symbols Rounded";
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: inline-block;
    flex-shrink: 0;
    letter-spacing: normal;
    text-transform: none;
    white-space: nowrap;
    direction: ltr;
    font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
    -webkit-font-smoothing: antialiased;
    user-select: none;
}

/* =====================================================================================================================
  Card outlined e tag — mesma cara do `mat-card appearance="outlined"` e do `.tag` do Vega.
===================================================================================================================== */
.card {
    width: 100%;
    padding: var(--margin);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--background-2);
    color: var(--background-4);
    font-size: var(--size-page);
}

.tag {
    display: inline-block;
    margin: 0;
    padding: var(--margin-x-min) var(--margin-min);
    border-radius: var(--border-radius);
    font-size: var(--size-min);
    line-height: 1.3;
}

/* =====================================================================================================================
  Botões — `mat-stroked-button` (contorno `background-3`, raio 4, rótulo 16 cinza) e `mat-icon-button` (círculo de 40).
===================================================================================================================== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: var(--control-size);
    padding: 0 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--background-1);
    color: var(--gray);
    font: inherit;
    font-size: var(--size-menu);
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.15s ease;
}

.button:hover {
    background: color-mix(in srgb, var(--gray) 10%, var(--background-1));
}

.button:focus-visible,
.icon-button:focus-visible,
.bt-menu:focus-visible,
.brand:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

.button .mat-icon {
    margin-left: -4px;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--control-size);
    height: var(--control-size);
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--nav-icon);
    cursor: pointer;
    transition: background 0.15s ease;
}

.icon-button:hover {
    background: color-mix(in srgb, var(--background-4) 10%, transparent);
}

/* =====================================================================================================================
  Toolbar — `app-toolbar` com `dividerBottom`: 64px, fundo `background-2`, esquerda flexível e direita fixa. Fixa no topo.
===================================================================================================================== */
.toolbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    height: var(--toolbar-height);
    gap: var(--margin-min);
    padding: 0 var(--margin-min);
    background: var(--background-2);
    border-bottom: 1px solid var(--border-color);
}

.toolbar .left {
    display: flex;
    align-items: center;
    align-self: stretch;
    flex: 1;
    min-width: 0;
    gap: var(--margin-min);
}

.toolbar .right {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    align-self: stretch;
    gap: var(--margin-min);
}

/* Marca — `.vega-brand`: ícone de 32 + texto Roboto Slab 500 espaçado. */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 var(--margin-min);
    color: var(--background-4);
    text-decoration: none;
}

.brand-icon {
    border-radius: 50%;
    object-fit: cover;
    width: 32px;
    height: 32px;
    display: block;
}

.brand-text {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 3px;
    white-space: nowrap;
}

/* Item de menu da toolbar — `.bt-menu` do Vega: ícone em cima do rótulo, estica na altura toda, fundo `background-3` no hover. */
.bt-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    gap: var(--margin-x-min);
    padding: var(--margin-min);
    color: var(--nav-icon);
    text-decoration: none;
    cursor: pointer;
}

/* Só o rótulo (o ícone também é um `span` filho direto e fica com os 24 px do `.mat-icon`). */
.bt-menu > span:not(.mat-icon) {
    font-size: var(--size-min);
    line-height: 1;
    white-space: nowrap;
}

.bt-menu:hover {
    background: var(--background-3);
}

/* Seção visível na rolagem: fundo elevado + traço azul na base, colado na borda da barra. */
.bt-menu.active {
    background: var(--background-3);
    box-shadow: inset 0 -3px 0 0 var(--blue);
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--background-3);
}

/* Toolbar fixa: a página começa abaixo dela. */
main {
    padding-top: var(--toolbar-height);
}

/* =====================================================================================================================
  Céu noturno — `app-night-sky`: camada absoluta atrás do hero, gradiente escuro, estrelas piscando e cadentes.
===================================================================================================================== */
.night-sky {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 100%, var(--night-sky-horizon) 0%, transparent 60%),
        linear-gradient(180deg, var(--night-sky-deep) 0%, var(--night-sky-mid) 60%, var(--night-sky-base) 100%);
}

.star {
    position: absolute;
    background: var(--night-sky-star);
    border-radius: 50%;
    opacity: 0;
    animation-name: twinkle-random;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

.star.big {
    filter: drop-shadow(0 0 3px var(--night-sky-star));
}

/* Cabeça com glow + rastro horizontal apontando pra trás. `--shoot-color` vem inline, sorteada por estrela. */
.shooting-star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--shoot-color);
    border-radius: 50%;
    filter: drop-shadow(0 0 6px var(--shoot-color));
    opacity: 0;
    animation: shoot-diagonal 4s linear forwards;
}

.shooting-star::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: 100px;
    height: 1px;
    background: linear-gradient(to left, var(--shoot-color), transparent);
    transform: translateY(-50%);
}

@keyframes twinkle-random {
    0%, 30%, 70%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

@keyframes shoot-diagonal {
    0% { transform: translate(0, 0) rotate(50deg); opacity: 0; }
    10%, 85% { opacity: 1; }
    100% { transform: translate(60vw, 130vh) rotate(50deg); opacity: 0; }
}

/* =====================================================================================================================
  Landing — cópia das classes do `app-landing-layout`: hero, seções, cards, destaques, passos, chamada final e `reveal`.
===================================================================================================================== */
.landing-hero {
    position: relative;
    padding: var(--margin-x-max) var(--margin);
    color: var(--night-sky-star);
}

.landing-hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--margin);
    text-align: center;
}

.landing-hero-icon {
    width: var(--margin-x-max);
    height: var(--margin-x-max);
    animation: landing-float 4s ease-in-out infinite;
}

/* Foto no lugar do ícone: redonda, um pouco maior, com o mesmo balanço. */
.landing-hero-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid color-mix(in srgb, var(--night-sky-star) 40%, transparent);
    animation: landing-float 4s ease-in-out infinite;
}

.landing-title {
    font-size: var(--size-big-title);
    font-weight: 500;
    line-height: 1.1;
}

.landing-text {
    max-width: calc(var(--card-width) * 2);
    font-size: var(--size-menu);
    color: color-mix(in srgb, var(--night-sky-star) 75%, transparent);
}

.landing-hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--margin-min);
}

.landing-content {
    display: flex;
    flex-direction: column;
    gap: var(--margin);
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--margin);
}

/* A partir da segunda seção, um filete em cima e `margin-max` de respiro separam os blocos. */
.landing-section-title {
    font-size: var(--size-title);
    font-weight: 500;
    text-align: center;
}

.landing-section-title:not(:first-child) {
    margin-top: var(--margin-max);
    padding-top: var(--margin-max);
    border-top: 1px solid var(--border-color);
}

.landing-section-text {
    margin: 0 auto;
    max-width: calc(var(--card-width) * 2);
    text-align: center;
    color: var(--gray);
}

.landing-note {
    margin: var(--margin) auto 0;
    max-width: calc(var(--card-width) * 2);
    text-align: center;
    font-size: 13px;
    color: var(--gray);
}

.landing-cards,
.landing-steps,
.landing-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(var(--card-width-min), 100%), 1fr));
    gap: var(--margin);
    min-width: 0;
}

.landing-card {
    display: flex;
    flex-direction: column;
    gap: var(--margin-min);
    min-width: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.landing-card:hover {
    transform: translateY(calc(-1 * var(--margin-x-min)));
    box-shadow: var(--shadow);
}

.landing-card.highlight {
    outline: 2px solid var(--blue);
}

.landing-card-image {
    width: 100%;
    max-width: 100%;
    height: var(--card-image-height);
    object-fit: contain;
}

.landing-card-head {
    display: flex;
    align-items: center;
    gap: var(--margin-min);
}

.landing-card-title {
    font-size: var(--size-sub-title);
    font-weight: 500;
}

.landing-card-text {
    color: var(--gray);
}

.landing-bullets {
    display: flex;
    flex-direction: column;
    gap: var(--margin-x-min);
    margin: 0;
    padding: 0;
    list-style: none;
}

.landing-bullets li {
    display: flex;
    align-items: center;
    gap: var(--margin-min);
}

.landing-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--margin-min);
    margin-top: auto;
}

.landing-card-footer > .tag:first-child {
    margin-right: auto;
}

.landing-highlight {
    display: flex;
    align-items: center;
    gap: var(--margin-min);
    min-width: 0;
    color: inherit;
    text-decoration: none;
}

.landing-highlight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--control-size);
    height: var(--control-size);
    border-radius: 50%;
}

.landing-highlight-title {
    font-weight: 500;
}

.landing-highlight-text {
    color: var(--gray);
    overflow-wrap: anywhere;
}

/* Passos: coluna mínima menor que a dos cards pra quatro passos caberem numa linha só na largura do conteúdo. */
.landing-steps {
    grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
}

.landing-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--margin-min);
    text-align: center;
}

.landing-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--control-size);
    height: var(--control-size);
    border-radius: 50%;
    font-size: var(--size-sub-title);
    font-weight: 500;
}

.landing-step-title {
    font-weight: 500;
}

.landing-step-text {
    color: var(--gray);
}

.landing-cta {
    margin-top: var(--margin-max);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--margin);
    padding: var(--margin-max) var(--margin);
    text-align: center;
}

.landing-cta-title {
    font-size: var(--size-title);
    font-weight: 500;
}

/* Card de destaque do Vega: ícone da estrela ao lado do texto, botão à direita. */
.vega-card {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--margin);
}

.vega-card-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
}

.vega-card-body {
    flex: 1;
    min-width: var(--card-width-min);
    display: flex;
    flex-direction: column;
    gap: var(--margin-x-min);
}

/* O ícone do Vega tem versão por tema: mostra só o que casa com o tema ativo. */
.only-dark { display: none; }
.dark-theme .only-dark { display: block; }
.dark-theme .only-light { display: none; }

/* =====================================================================================================================
  Rodapé
===================================================================================================================== */
.footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--margin-min) var(--margin);
    margin-top: var(--margin-max);
    padding: var(--margin);
    border-top: 1px solid var(--border-color);
    background: var(--background-2);
    color: var(--gray);
    font-size: var(--size-min);
}

.footer a {
    color: var(--gray);
    text-decoration: none;
}

.footer a:hover {
    color: var(--blue);
}

/* =====================================================================================================================
  Animações — entrada em cascata do `reveal` e balanço do ícone do hero.
===================================================================================================================== */
.reveal {
    opacity: 0;
}

.reveal.visible {
    animation: landing-reveal-up 0.6s ease-out forwards;
}

.landing-cards .reveal:nth-child(3n + 1),
.landing-highlights .reveal:nth-child(3n + 1) { animation-delay: 0.08s; }
.landing-cards .reveal:nth-child(3n + 2),
.landing-highlights .reveal:nth-child(3n + 2) { animation-delay: 0.16s; }
.landing-cards .reveal:nth-child(3n + 3),
.landing-highlights .reveal:nth-child(3n + 3) { animation-delay: 0.24s; }

@keyframes landing-reveal-up {
    from { opacity: 0; transform: translateY(var(--margin)); }
    to { opacity: 1; transform: none; }
}

@keyframes landing-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(calc(-1 * var(--margin-min))); }
}

/* =====================================================================================================================
  Responsivo — no celular a toolbar mostra só ícones e o título do hero encolhe.
===================================================================================================================== */
@media (max-width: 767px) {
    /* Só o rótulo some; o ícone (também um `span`) fica. */
    .bt-menu > span:not(.mat-icon) {
        display: none;
    }

    .bt-menu {
        padding: var(--margin-min) var(--margin-x-min);
    }

    .landing-title {
        font-size: 32px;
    }
}

@media (max-width: 479px) {
    .brand-text {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal,
    .reveal.visible,
    .landing-hero-icon,
    .landing-hero-photo {
        opacity: 1;
        animation: none;
    }

    .star {
        opacity: 1;
        animation: none;
    }

    .shooting-star {
        display: none;
    }
}