/* Estilos exclusivos da landing (index.html). Base e tokens ficam em styles.css. */

/* A landing inteira segue o tema (escuro por padrão): todas as seções usam o fundo do body (--bg).
   O canvas do fundo animado fica fixo atrás de tudo (z-index -1), sempre por trás do texto. */
#bg-fx { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
:root { --nav-glass: rgba(255, 255, 255, 0.62); --ticker-glass: rgba(235, 90, 30, 0.1); }
[data-theme='dark'] { --nav-glass: rgba(14, 14, 14, 0.55); --ticker-glass: rgba(235, 90, 30, 0.12); }

h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -0.045em; margin: 0; }
h1 .serif, h2 .serif { font-size: 1.14em; line-height: 0.8; letter-spacing: -0.01em; }
.dim { opacity: 0.35; }
.accent { color: var(--accent); }

/* ---------- Nav ---------- */
.nav { /* barra de vidro: o conteúdo e o fundo animado passam desfocados por baixo */
  position: sticky; top: 0; z-index: 50; color: var(--fg);
  background: linear-gradient(180deg, var(--glass-shine-soft), transparent), var(--nav-glass);
  -webkit-backdrop-filter: blur(22px) saturate(170%); backdrop-filter: blur(22px) saturate(170%);
  border-bottom: 1px solid var(--glass-edge); box-shadow: inset 0 -1px 0 var(--glass-shine), 0 10px 30px -20px rgba(0, 0, 0, 0.5);
}
.nav .brand-logo { justify-self: start; }
/* links da nav: a seção para logo abaixo da barra fixa, sem ficar escondida atrás dela */
section[id] { scroll-margin-top: 85px; }
/* logo à esquerda, links no centro, "Assinar grátis" sozinho à direita */
.nav .wrap { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 84px; }
.nav .btn-nav { justify-self: end; padding: 11px 20px; font-size: 15px; }
.nav-links { display: flex; align-items: center; gap: 44px; }
.nav-links a:not(.btn) { display: inline-block; font: 400 13px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; opacity: 0.7; transition: opacity 0.2s, transform 0.3s var(--ease-out); }
@media (hover: hover) { .nav-links a:not(.btn):hover { opacity: 1; transform: scale(1.1); } }

/* ---------- Hero ---------- */
.hero { overflow: hidden; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr auto; gap: 64px; align-items: center; padding-top: 96px; padding-bottom: 120px; position: relative; }
.hero h1 { font-size: clamp(48px, 6.2vw, 96px); line-height: 0.95; }
.hero .lead { font-size: 21px; line-height: 1.5; opacity: 0.72; max-width: 34em; margin: 32px 0 40px; }
.cta-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.note { font: 400 13px var(--mono); opacity: 0.55; }

/* entrada do hero */
.intro { opacity: 0; transform: translateY(32px); animation: intro 0.9s var(--ease-out) forwards; animation-delay: var(--d, 0s); }
.intro-right { transform: translateX(80px); }
@keyframes intro { to { opacity: 1; transform: none; } }

/* ---------- Celular ---------- */
.phone-stage { position: relative; perspective: 1400px; }
/* inclinação do celular (poucos graus), controlada por landing.js via --rx/--ry */
.phone-tilt {
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transform-style: preserve-3d;
  transition: transform 0.6s var(--ease-out); cursor: grab; touch-action: pan-y; will-change: transform;
}
.phone-tilt.is-active { transition: transform 0.12s linear; }
.phone-tilt.is-dragging { cursor: grabbing; }
.phone {
  position: relative; width: 372px; height: 772px; border-radius: 62px; padding: 4px;
  background: linear-gradient(135deg, #525252, #1a1a1a 50%, #444);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  animation: float 6s ease-in-out 1.4s infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-14px) rotate(0.4deg); } }
.side-btn { position: absolute; width: 4px; border-radius: 2px; background: linear-gradient(90deg, #5a5a5a, #1f1f1f); }
.bezel { height: 100%; border-radius: 58px; background: #050505; padding: 10px; }
.screen { position: relative; height: 100%; border-radius: 48px; background: var(--paper); color: var(--ink); overflow: hidden; font-family: var(--sans); }
.screen::after { /* reflexo do vidro: desliza conforme a inclinação */
  content: ''; position: absolute; inset: 0 -40%; pointer-events: none; z-index: 4;
  transform: translateX(calc(var(--gx, 0) * 40px)); transition: transform 0.6s var(--ease-out);
  background: linear-gradient(125deg, transparent 46%, rgba(255, 255, 255, 0.16) 50%, rgba(255, 255, 255, 0.03) 100%);
}
.island { position: absolute; top: 11px; left: 50%; transform: translateX(-50%); width: 118px; height: 34px; border-radius: 17px; background: #000; z-index: 3; }
.status { height: 56px; display: flex; justify-content: space-between; align-items: center; padding: 0 28px 0 36px; font: 600 16px -apple-system, 'SF Pro Text', Inter, system-ui, sans-serif; position: relative; z-index: 2; background: var(--paper); }
.status svg { fill: var(--ink); color: var(--ink); }
.mail-nav { display: flex; justify-content: space-between; padding: 0 18px 10px; font: 600 16px -apple-system, Inter, system-ui, sans-serif; position: relative; z-index: 2; background: var(--paper); }
.mail-nav .back { color: var(--accent); }
.mail-nav .tools { opacity: 0.45; font-weight: 400; }
.mail-scroll { animation: mail-scroll 16s ease-in-out 2.5s infinite; }
@keyframes mail-scroll { 0%, 22% { transform: translateY(0); } 45%, 72% { transform: translateY(-230px); } 95%, 100% { transform: translateY(0); } }
.sender { display: flex; align-items: center; gap: 12px; padding: 6px 18px 14px; font-size: 15px; line-height: 1.3; }
.sender small { font: 12px -apple-system, Inter, sans-serif; opacity: 0.5; }
.avatar { width: 40px; height: 40px; border-radius: 50%; display: block; flex: none; } /* ícone "l." da identidade visual */
.subject { font: 700 19px/1.25 var(--sans); letter-spacing: -0.01em; margin: 0; padding: 0 18px 16px; }
.nl-head { display: flex; justify-content: space-between; align-items: center; background: var(--ink); color: var(--paper); padding: 14px 18px; font: 500 10px var(--mono); letter-spacing: 0.08em; }
.nl-logo { display: block; height: 18px; width: auto; }
.nl-head > span:last-child { opacity: 0.7; }
.nl-body { padding: 18px 18px 40px; display: grid; gap: 18px; }
.nl-greeting { font: 800 20px/1.15 var(--display); letter-spacing: -0.03em; margin: 0; }
.mini-portfolio { background: #f4f4f4; border-radius: 12px; padding: 12px 14px; display: grid; gap: 8px; }
.mini-portfolio p { margin: 0; font: 700 9px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.55; }
.mp-row { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 10px; font: 500 12px var(--sans); }
.mp-row i { position: relative; height: 6px; border-radius: 3px; background: rgba(14, 14, 14, 0.1); overflow: hidden; }
.mp-row i::after { content: ''; position: absolute; inset: 0; width: var(--w); border-radius: 3px; background: var(--c, var(--ink)); transform-origin: left; transform: scaleX(0); animation: bar 0.9s var(--ease-out) forwards; }
.mp-row:nth-of-type(1) i::after { animation-delay: 1.3s; }
.mp-row:nth-of-type(2) i::after { animation-delay: 1.45s; }
.mp-row:nth-of-type(3) i::after { animation-delay: 1.6s; }
@keyframes bar { to { transform: scaleX(1); } }
.mp-row b { font: 700 11px var(--mono); }
.nl-section h5, .mail-card h5 { margin: 0 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--ink); font: 700 9.5px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.nl-section p { margin: 0 0 10px; font: 700 14px/1.3 var(--sans); }
.nl-section small { display: block; margin-top: 3px; font: 400 9px var(--mono); letter-spacing: 0.06em; opacity: 0.5; }
.home-indicator { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); width: 130px; height: 5px; border-radius: 3px; background: var(--ink); z-index: 5; }

/* ---------- Ticker ---------- */
.ticker { /* faixa de vidro com leve tom laranja */
  position: relative; overflow: hidden; padding: 18px 0; color: var(--fg);
  font: 700 14px var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  background: linear-gradient(180deg, var(--glass-shine-soft), transparent 70%), var(--ticker-glass);
  -webkit-backdrop-filter: blur(18px) saturate(170%); backdrop-filter: blur(18px) saturate(170%);
  border-top: 1px solid var(--glass-edge); border-bottom: 1px solid var(--glass-edge);
  box-shadow: inset 0 1px 0 var(--glass-shine), inset 0 -1px 0 rgba(0, 0, 0, 0.08);
}
.ticker-track { display: flex; width: max-content; animation: ticker 45s linear infinite; }
@media (hover: hover) { .ticker:hover .ticker-track { animation-play-state: paused; } }
.ticker-item { display: inline-flex; align-items: center; gap: 10px; padding: 0 20px; white-space: nowrap; }
.ticker-item .up { color: var(--accent); }
.ticker-item .val { font-weight: 500; }
.ticker-sep { color: var(--accent); opacity: 0.7; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Seções ---------- */
.block { padding: 150px 0; }
.block h2 { font-size: clamp(44px, 6vw, 80px); line-height: 0.98; margin: 36px 0 0; }

.manifesto h2 { font-size: clamp(40px, 5.4vw, 76px); }
.manifesto-body { display: flex; gap: 80px; align-items: flex-start; margin-top: 48px; flex-wrap: wrap; }
.manifesto-body > p { max-width: 620px; font-size: 20px; line-height: 1.55; color: var(--muted); margin: 0; }
.principles { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; font: 500 14px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.principles li::before { content: '→'; color: var(--accent); margin-right: 14px; }

.how { border-top: 1px solid var(--line); }
.how-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.how-head h2 { text-align: right; margin: 0; font-size: clamp(40px, 5vw, 64px); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 80px; }
.step { border-top: 3px solid var(--fg); padding-top: 28px; transition: border-color 0.3s; }
@media (hover: hover) { .step:hover { border-color: var(--accent); } }
.step .num { font: 700 15px var(--mono); color: var(--accent); letter-spacing: 0.06em; }
.step h3 { font-size: 30px; letter-spacing: -0.03em; margin: 18px 0 14px; }
.step p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.55; }

.topics { position: relative; overflow: hidden; }
.topics .wrap { position: relative; }
.topic-grid { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 64px; }
.topic-chip { /* botão que liga/desliga a seleção */
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px;
  border: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, var(--glass-shine-soft), transparent 60%), var(--glass-bg);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: inset 0 1px 0 var(--glass-shine), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  font: 500 20px var(--sans); text-decoration: none; color: var(--fg);
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.5s var(--ease-out) var(--d, 0s), transform 0.5s var(--ease-out) var(--d, 0s), background 0.2s, border-color 0.2s;
}
.topic-grid.is-visible .topic-chip { opacity: 1; transform: none; }
@media (hover: hover) { .topic-chip:hover { border-color: var(--fg); transition-delay: 0s; } }
@media (hover: hover) { .topic-grid.is-visible .topic-chip:hover { transform: scale(1.06); } /* amplia suavemente */ }
.topic-chip[aria-pressed='true'] { color: #fff; background: var(--glass-orange); border-color: rgba(255, 255, 255, 0.38); box-shadow: var(--glass-orange-shadow); }
.topic-chip[aria-pressed='true']::before { content: '✓'; font: 700 14px var(--mono); }
@media (hover: hover) { .topic-chip[aria-pressed='true']:hover { border-color: rgba(255, 255, 255, 0.6); } }
.topic-grid.is-visible .topic-chip:active { transform: scale(0.96); transition-delay: 0s; transition-duration: 0.1s; }
.topic-chip:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.topics-note { font: 400 14px var(--mono); color: var(--muted); margin: 48px 0 0; }
.topics-note b { color: var(--accent); }

.edition-grid { display: grid; grid-template-columns: 1fr 580px; gap: 96px; align-items: center; }
.edition-copy h2 { font-size: clamp(44px, 5vw, 64px); }
.edition-copy > p:not(.label) { font-size: 20px; line-height: 1.55; color: var(--muted); max-width: 520px; margin: 32px 0; }
.specs { margin: 0; }
.specs div { display: flex; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--line); font: 13px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; font-weight: 700; }
.mail-card { border: 2px solid var(--ink); background: var(--paper); color: var(--ink); box-shadow: 14px 14px 0 var(--accent); } /* cartão branco: texto sempre preto, nos dois temas */
.mail-card.is-visible { animation: float 7s ease-in-out 1s infinite; }
.mc-head { display: flex; justify-content: space-between; align-items: center; background: var(--ink); color: var(--paper); padding: 22px 32px; font: 500 12px var(--mono); letter-spacing: 0.08em; }
.mc-logo { display: block; height: 24px; width: auto; }
.mc-head > span:last-child { opacity: 0.7; }
.mc-body { padding: 32px 32px 36px; display: grid; gap: 26px; }
.mc-greeting { font: 800 30px/1.1 var(--display); letter-spacing: -0.035em; margin: 0; }
.mail-card .nl-section h5 { font-size: 12px; padding-bottom: 8px; border-color: rgba(14, 14, 14, 0.2); margin-bottom: 14px; }
.mail-card .nl-section p { font-size: 18px; margin-bottom: 14px; }
.mail-card .nl-section small { font-size: 11px; }

.cta-final { border-top: 1px solid var(--line); }
.cta-final h2 { font-size: clamp(64px, 11vw, 168px); line-height: 0.92; }
.cta-form { display: flex; gap: 12px; margin-top: 56px; flex-wrap: wrap; }
.cta-form input { width: 560px; max-width: 100%; margin: 0; padding: 22px 28px; font: 18px var(--mono); } /* vidro vem de styles.css */
.cta-note { font: 400 14px var(--mono); color: var(--muted); margin: 28px 0 0; }

.footer { padding: 40px 0; border-top: 1px solid var(--line); }
.footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer .wrap > span:last-child { font: 400 12px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.55; }

/* ---------- Tela de carregamento ---------- */
.loader {
  position: fixed; inset: 0; z-index: 999; display: none; place-items: center;
  background: var(--bg); color: var(--fg);
}
html.is-loading .loader, .loader.is-leaving { display: grid; }
html.is-loading body { overflow: hidden; }
html.is-loading .intro { animation-play-state: paused; } /* a entrada do hero espera a cortina subir */
.loader-inner { display: grid; justify-items: center; gap: 28px; }
/* logo da identidade visual: a palavra sobe por trás de uma máscara e o ponto laranja (posição medida no PNG
   original: 90,6% / 66,7%, 8,9% da largura) entra com um "pop" e fica brilhando */
.loader-logo { position: relative; width: min(460px, 72vw); aspect-ratio: 3.536; }
.l-word { position: absolute; inset: 0; width: 100%; height: 100%; clip-path: inset(100% 0 0 0); transform: translateY(18%); animation: l-rise 1s var(--ease-out) 0.15s forwards; }
@keyframes l-rise { to { clip-path: inset(0 0 0 0); transform: none; } }
.l-dot {
  position: absolute; left: 90.574%; top: 66.667%; width: 8.912%; aspect-ratio: 1; border-radius: 50%;
  background: var(--accent); transform: scale(0);
  animation: l-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s forwards, l-glow 1.4s ease-in-out 1.4s infinite;
}
@keyframes l-pop { to { transform: scale(1); } }
@keyframes l-glow { 50% { box-shadow: 0 0 24px rgba(235, 90, 30, 0.85); } }
.loader-bar { width: min(320px, 70vw); height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 100%; background: var(--accent); transform-origin: left; transform: scaleX(var(--p, 0)); box-shadow: 0 0 12px rgba(235, 90, 30, 0.7); }
.loader-meta { width: min(320px, 70vw); display: flex; justify-content: space-between; font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
#loader-pct { color: var(--fg); font-variant-numeric: tabular-nums; }
#loader-status { transition: opacity 0.25s; }
/* saída: a tela sobe como uma cortina, com um fio laranja na borda */
.loader::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent); box-shadow: 0 0 18px rgba(235, 90, 30, 0.8); opacity: 0; transition: opacity 0.3s; }
.loader.is-leaving { transform: translateY(-100%); transition: transform 0.95s cubic-bezier(0.76, 0, 0.24, 1) 0.15s; }
.loader.is-leaving::after { opacity: 1; }
.loader.is-leaving .loader-inner { opacity: 0; transform: translateY(-40px) scale(0.96); transition: opacity 0.45s, transform 0.6s var(--ease-out); }

/* botão de tema flutuante (canto inferior direito) */
.theme-fab { position: fixed; right: 24px; bottom: 24px; z-index: 60; transform: scale(1.15); transform-origin: bottom right; }
@media (hover: hover) { .theme-fab:hover { transform: scale(1.25); } }
.theme-fab:active { transform: scale(1.08); }

/* revelar ao rolar */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.9s var(--ease-out) var(--d, 0s), transform 0.9s var(--ease-out) var(--d, 0s); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 64px; }
  .phone-stage { justify-self: center; }
  .edition-grid { grid-template-columns: 1fr; }
  .mail-card { max-width: 580px; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav .wrap { grid-template-columns: 1fr auto; }
  .block { padding: 96px 0; }
  .phone { zoom: 0.82; }
  .steps { grid-template-columns: 1fr; margin-top: 56px; }
  .how-head h2 { text-align: left; }
  .topic-chip { font-size: 16px; padding: 11px 18px; }
  .cta-form .btn { width: 100%; justify-content: center; }
  /* primeira tela: o botão principal precisa aparecer sem rolar */
  .hero-grid { grid-template-columns: minmax(0, 1fr); padding-top: 40px; }
  .hero .lead { font-size: 18px; margin: 22px 0 28px; }
  /* botão de tema menor, mais opaco (some sobre o cartão branco) e com espaço no fim da página */
  .theme-fab { right: 16px; bottom: 16px; transform: none; background: color-mix(in srgb, var(--bg) 82%, transparent); }
  .footer { padding-bottom: 88px; }
}
/* telas estreitas (iPhone SE e afins) */
@media (max-width: 380px) {
  .nav .brand-logo { --logo-h: 26px; }
  .nav .btn-nav { padding: 10px 16px; font-size: 14px; }
  .phone { zoom: 0.74; }
}

@media (prefers-reduced-motion: reduce) {
  .intro, .reveal, .topic-chip { opacity: 1 !important; transform: none !important; }
  .l-word, .l-dot { transform: none !important; clip-path: none !important; }
  .mp-row i::after { transform: none; }
}