/* ============================================================
   VIRALLOOPS — premium dark · verde-lima · Chapter Gates DNA
   Fonts: Archivo (display) · IBM Plex Sans (corpo) · JetBrains Mono (labels)
   ============================================================ */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
img, svg, canvas { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ---------- tokens ---------- */
:root {
  --bg:        #08090A;   /* near-black frio */
  --bg-2:      #0C0E0D;   /* zona alternada */
  --surface:   #111412;   /* superfície elevada */
  --surface-2: #171B18;
  --line:      #22271F;   /* bordas hairline com leve tinta verde */
  --line-2:    #2E3529;
  --ink:       #F3F5EF;   /* off-white */
  --muted:     #8C948A;   /* texto secundário */
  --faint:     #5A625A;
  --lime:      #C6F24E;   /* acento principal */
  --lime-deep: #A6D93A;
  --lime-dim:  rgba(198,242,78,.14);

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --wrap: 1240px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap:   cubic-bezier(0.77, 0, 0.175, 1);
  --ease-out:    cubic-bezier(0.33, 1, 0.68, 1);
}

/* ---------- base ---------- */
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.006em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--font-mono); font-weight: 500; }

::selection { background: var(--lime); color: #0A0C05; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 0; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--faint); }

/* ---------- grain ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none; opacity: .04; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- scroll progress ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9999; background: transparent; }
.scroll-progress span { display: block; height: 100%; width: 0; background: var(--lime); box-shadow: 0 0 12px var(--lime); transform-origin: left; }

/* ---------- custom cursor ---------- */
.cursor {
  position: fixed; top: 0; left: 0; width: 34px; height: 34px; z-index: 9997; pointer-events: none;
  border: 1.5px solid var(--lime); border-radius: 50%;
  transform: translate(-50%, -50%) scale(1); transition: transform .25s var(--ease-smooth), background .25s, border-color .25s;
  mix-blend-mode: difference; will-change: transform; opacity: 0;
}
.cursor.is-active { opacity: 1; }
.cursor.is-hot { transform: translate(-50%, -50%) scale(1.7); background: var(--lime); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* =========================================================
   NAV — status bar com pip ao vivo
   ========================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9990;
  display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: clamp(1rem, 3vw, 2.5rem);
  padding: 0.85rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid transparent; transition: border-color .4s, background .4s, padding .4s;
}
.nav.is-scrolled { border-bottom-color: var(--line); padding-block: 0.6rem; }
.nav__brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); min-height: 44px; } /* B-03: touch target ≥44px */
.nav__mark { width: 26px; height: 26px; color: var(--lime); }
.nav__word { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.03em; }
.nav__live { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; transition: color .3s; }
.nav__live:hover { color: var(--ink); }
.pip { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 var(--lime); animation: pip 2.4s var(--ease-out) infinite; flex: none; }
@keyframes pip { 0% { box-shadow: 0 0 0 0 rgba(198,242,78,.6); } 70%,100% { box-shadow: 0 0 0 8px rgba(198,242,78,0); } }
.nav__links { justify-self: end; display: flex; gap: 1.8rem; font-size: .9rem; color: var(--muted); }
.nav__links a { position: relative; transition: color .3s; }
.nav__links a::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px; background: var(--lime); transition: width .3s var(--ease-smooth); }
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }
@media (max-width: 860px) { .nav__live-text, .nav__links { display: none; } .nav { grid-template-columns: 1fr auto; } .nav__live { display: none; } }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  --pad-y: .85rem; --pad-x: 1.4rem;
  position: relative; display: inline-flex; align-items: center; gap: .6rem; justify-content: center;
  padding: var(--pad-y) var(--pad-x); font-family: var(--font-body); font-weight: 500; font-size: .95rem;
  letter-spacing: -0.01em; color: var(--ink); border: 1px solid var(--line-2); background: var(--surface);
  cursor: pointer; overflow: hidden; transition: border-color .35s, color .35s, background .35s, transform .35s var(--ease-smooth);
}
.btn::before { content: ''; position: absolute; inset: 0; background: var(--lime); transform: translateY(101%); transition: transform .45s var(--ease-smooth); z-index: 0; }
.btn > * { position: relative; z-index: 1; }
.btn:hover { border-color: var(--lime); color: #0A0C05; }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: translateY(1px); }
.btn__arrow { transition: transform .35s var(--ease-smooth); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--sm { --pad-y: .5rem; --pad-x: 1rem; font-size: .85rem; min-height: 44px; } /* B-02: touch target ≥44px */
.btn--lg { --pad-y: 1.05rem; --pad-x: 1.9rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--ghost { background: transparent; border-color: var(--line-2); }
.btn--ghost::before { background: var(--ink); }
.btn--ghost:hover { color: var(--bg); border-color: var(--ink); }
/* btn--solid: desativa o slide (::before cobre texto-nó); usa crossfade direto no background.
   color 0s .2s = texto muda instantaneamente após 200ms (quando bg já é escuro o bastante). */
.btn--solid { background: var(--lime); color: #0A0C05; border-color: var(--lime); font-weight: 600;
  transition: background .4s var(--ease-smooth), border-color .35s, color 0s .2s, transform .35s var(--ease-smooth); }
.btn--solid::before { content: none; }
.btn--solid:hover { background: #0A0C05; color: var(--lime); border-color: var(--lime); }
.btn:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

/* =========================================================
   HERO
   ========================================================= */
.hero { position: relative; min-height: 100svh; height: 100svh; display: flex; align-items: flex-end; padding: clamp(3.5rem, 6vh, 5rem) var(--gutter) clamp(2rem, 4vh, 3rem); overflow: hidden; isolation: isolate; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: right center; z-index: -3; opacity: .55; filter: saturate(1.05) contrast(1.05); }
.hero__img.is-missing { display: none; }
/* fallback quando não há imagem: gradiente radial dark com brilho verde */
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -4;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(198,242,78,.10), transparent 55%),
    radial-gradient(100% 120% at 12% 100%, rgba(76,120,40,.14), transparent 60%),
    linear-gradient(180deg, #06070A 0%, #0A0C0A 60%, var(--bg) 100%);
}
/* canvas confinado à zona direita via CSS — left:58% garante zero pixels antes de 58% viewport por definição */
.hero__canvas {
  position: absolute; top: 0; right: 0; bottom: 0; left: 58%; height: 100%; z-index: -2; opacity: .5;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,.3) 8%, rgba(0,0,0,.65) 22%, rgba(0,0,0,.45) 72%, rgba(0,0,0,.15) 95%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,.3) 8%, rgba(0,0,0,.65) 22%, rgba(0,0,0,.45) 72%, rgba(0,0,0,.15) 95%);
}
/* scrim duplo — esquerda aliviada pois a imagem já é escura/limpa nessa zona */
.hero__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to right, rgba(8,9,10,.78) 0%, rgba(8,9,10,.60) 34%, rgba(8,9,10,.30) 50%, transparent 68%),
    linear-gradient(180deg, rgba(8,9,10,.38) 0%, rgba(8,9,10,.12) 38%, rgba(8,9,10,.65) 76%, var(--bg) 100%);
}

.hero__inner { width: 100%; max-width: var(--wrap); margin-inline: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .16em; color: var(--muted); }
.eyebrow__dot { width: 6px; height: 6px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 10px var(--lime); }

.hero__title {
  font-family: var(--font-display); font-weight: 900; line-height: .92; letter-spacing: -0.045em;
  font-size: clamp(2.2rem, 5.5vw, 5.5rem); margin: .8rem 0 1rem; text-wrap: balance; max-width: 14ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title em { font-style: normal; color: var(--lime); }
.hero__title .line--muted { color: var(--faint); }
/* animação de entrada por linha */
.hero__title .line > * , .hero__title .line { will-change: transform; }
.js .hero__title .line span, .hero__title .line { }

.hero__sub { max-width: 50ch; font-size: clamp(.95rem, 1.4vw, 1.15rem); color: var(--muted); line-height: 1.6; }
.hero__sub strong { color: var(--ink); font-weight: 500; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.4rem; }
.hero__selectivity { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); letter-spacing: .02em; border-left: 2px solid var(--lime); padding-left: .85rem; margin-top: .8rem; max-width: 52ch; line-height: 1.5; }
.hero__microproof { font-family: var(--font-mono); font-size: .69rem; color: var(--faint); letter-spacing: .08em; margin-top: .4rem; text-transform: uppercase; }
.hero__microproof-link { color: inherit; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .3s; position: relative; } /* B-05: hit area expandida via pseudo */
.hero__microproof-link::before { content: ''; position: absolute; inset: -14px 0; } /* B-05: hit area ≥44px vertical */
.hero__microproof-link:hover { border-color: var(--faint); }

.hero__facts { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); margin-top: 1.4rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.hero__facts dt { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.5rem, 2.4vw, 2.2rem); letter-spacing: -0.03em; color: var(--lime); line-height: 1; }
.hero__facts dd { font-size: .82rem; color: var(--muted); margin-top: .4rem; max-width: 20ch; }

.hero__scroll { position: absolute; right: var(--gutter); bottom: clamp(3rem, 7vh, 6rem); display: flex; flex-direction: column; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .2em; color: var(--faint); }
.hero__scroll-line { width: 1px; height: 44px; background: linear-gradient(var(--lime), transparent); animation: scrollLine 2.2s var(--ease-out) infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@media (max-width: 700px) { .hero__scroll { display: none; } }
/* hero mobile: composit portrait — face no quadrante superior-direito, texto na zona escura */
@media (max-width: 767px) {
  .hero__img {
    object-position: center top;
    opacity: .92;
    /* mask: imagem visível apenas no terço direito (onde a face está) — esquerda/baixo transparentes */
    -webkit-mask-image:
      linear-gradient(to right, transparent 0%, transparent 40%, rgba(0,0,0,.6) 55%, black 68%),
      linear-gradient(180deg, black 0%, black 50%, transparent 80%);
    -webkit-mask-composite: source-in;
    mask-image:
      linear-gradient(to right, transparent 0%, transparent 40%, rgba(0,0,0,.6) 55%, black 68%),
      linear-gradient(180deg, black 0%, black 50%, transparent 80%);
    mask-composite: intersect;
  }
  /* veil: escurece a zona de texto (baixo) e suaviza borda da face (esquerda) */
  .hero__veil {
    background:
      linear-gradient(to right, rgba(8,9,10,.82) 0%, rgba(8,9,10,.50) 38%, transparent 60%),
      linear-gradient(180deg,
        rgba(8,9,10,.04) 0%,
        rgba(8,9,10,.06) 24%,
        rgba(8,9,10,.80) 44%,
        rgba(8,9,10,.97) 62%,
        var(--bg) 82%
      );
  }
}
/* confina o bloco de texto ao lado esquerdo para não sobrepor o rosto do fundador */
@media (min-width: 1024px) {
  .hero__inner {
    max-width: 54%;
    margin-left: 0;
    margin-right: auto;
  }
}

/* =========================================================
   AUTHORITY
   ========================================================= */
.authority { position: relative; background: var(--bg-2); border-block: 1px solid var(--line); padding-block: clamp(3rem, 7vw, 5.5rem); overflow: hidden; }
.authority__marquee { overflow: hidden; white-space: nowrap; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.authority__track { display: inline-flex; align-items: center; gap: 1.5rem; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 4vw, 2.8rem); letter-spacing: -0.03em; color: var(--surface-2); animation: marquee 26s linear infinite; will-change: transform; }
.authority__track .sep { color: var(--lime); }
.authority__track span:not(.sep) { color: transparent; -webkit-text-stroke: 1px var(--line-2); }
@keyframes marquee { to { transform: translateX(-50%); } }

.authority__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.authority__lead h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 3.4vw, 2.8rem); line-height: 1.05; letter-spacing: -0.035em; margin-bottom: 1.2rem; text-wrap: balance; }
.authority__lead p { color: var(--muted); max-width: 52ch; font-size: 1.05rem; }
.authority__lead a { color: var(--lime); border-bottom: 1px solid var(--lime-dim); transition: border-color .3s; }
.authority__lead a:hover { border-color: var(--lime); }
.authority__lead strong { color: var(--ink); font-weight: 500; }
.authority__points { list-style: none; display: grid; gap: 1rem; }
.authority__points li { display: flex; gap: 1rem; align-items: baseline; padding-bottom: 1rem; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 1rem; }
.authority__points .mono { color: var(--lime); font-size: .8rem; flex: none; }
@media (max-width: 820px) { .authority__grid { grid-template-columns: 1fr; } }

/* =========================================================
   GATE (Chapter Gates DNA)
   ========================================================= */
.gate {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding-block: clamp(4rem, 12vh, 9rem); text-align: center; overflow: hidden;
}
.gate__num {
  font-family: var(--font-display); font-weight: 900; line-height: .8; letter-spacing: -0.05em;
  font-size: clamp(7rem, 26vw, 22rem); color: transparent; -webkit-text-stroke: 1.5px var(--line-2);
  background: radial-gradient(60% 100% at 50% 40%, var(--lime-dim), transparent 70%); -webkit-background-clip: text; background-clip: text;
  position: relative; user-select: none;
}
.gate__num::after {
  content: attr(data-x); /* decorativo */
}
.gate__label { font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .28em; color: var(--muted); margin-top: -1rem; position: relative; }
.gate__label::before, .gate__label::after { content: ''; position: absolute; top: 50%; width: clamp(1.5rem, 6vw, 4rem); height: 1px; background: var(--line-2); }
.gate__label::before { right: calc(100% + 1rem); }
.gate__label::after { left: calc(100% + 1rem); }

/* =========================================================
   SECTION TITLE
   ========================================================= */
.section-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.9rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -0.04em; text-wrap: balance; max-width: 18ch; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

/* =========================================================
   SERVICES
   ========================================================= */
.services { padding-block: clamp(1rem, 4vw, 3rem) clamp(4rem, 10vw, 8rem); }
.services__list { display: grid; gap: clamp(2.5rem, 6vw, 5.5rem); }
.service { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4.5rem); align-items: center; }
.service--flip .service__media { order: 2; }
.service__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.service__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease-smooth), filter .6s; filter: saturate(1) contrast(1.02); }
.service:hover .service__media img { transform: scale(1.04); }
/* fallback quando falta imagem do card */
.service__media.is-missing { background:
    radial-gradient(80% 90% at 70% 20%, rgba(198,242,78,.12), transparent 60%),
    linear-gradient(135deg, var(--surface) 0%, var(--bg-2) 100%); }
.service__media.is-missing::after { content: '◠◡◠'; position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-mono); font-size: 2.5rem; color: var(--line-2); letter-spacing: .2em; }
.service__media.is-missing img { display: none; }
.service__index { position: absolute; top: 1rem; left: 1rem; font-size: .75rem; color: var(--lime); background: color-mix(in srgb, var(--bg) 70%, transparent); padding: .3rem .55rem; letter-spacing: .1em; }
.service__body h3 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.5rem, 3vw, 2.4rem); letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 1rem; }
.service__body > p { color: var(--muted); max-width: 46ch; font-size: 1.02rem; }
.service__meta { list-style: none; margin-top: 1.6rem; display: grid; gap: .7rem; }
.service__meta li { position: relative; padding-left: 1.4rem; font-size: .92rem; color: var(--ink); }
.service__meta li::before { content: '↳'; position: absolute; left: 0; color: var(--lime); }
@media (max-width: 780px) {
  .service { grid-template-columns: 1fr; gap: 1.5rem; }
  .service--flip .service__media { order: 0; }
}

/* =========================================================
   PROCESS — Pinned Narrative
   ========================================================= */
.process { position: relative; background: var(--bg-2); border-block: 1px solid var(--line); }
.process__sticky { position: sticky; top: 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-block: clamp(3rem, 8vh, 6rem); }
.process__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.process__head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.7rem, 4vw, 3.2rem); line-height: 1.02; letter-spacing: -0.04em; max-width: 16ch; text-wrap: balance; }
.process__count { font-size: 1rem; color: var(--muted); flex: none; }
.process__count #stepNow { color: var(--lime); }
.process__stage { position: relative; }
.process__steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 3vw, 2rem); }
.pstep { padding-top: 1.6rem; border-top: 1px solid var(--line); opacity: .32; transition: opacity .5s var(--ease-smooth), transform .5s var(--ease-smooth); transform: translateY(6px); }
.pstep.is-active { opacity: 1; transform: translateY(0); }
.pstep__num { display: block; font-size: .85rem; color: var(--lime); margin-bottom: 1rem; }
.pstep h3 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.02em; margin-bottom: .7rem; }
.pstep p { font-size: .92rem; color: var(--muted); line-height: 1.55; }
.process__rail { position: relative; height: 2px; background: var(--line); margin-top: clamp(2rem, 5vw, 3.5rem); }
.process__rail span { position: absolute; inset: 0 auto 0 0; width: 25%; background: var(--lime); box-shadow: 0 0 12px var(--lime); transition: transform .5s var(--ease-smooth); transform-origin: left; }
@media (max-width: 820px) {
  .process__sticky { position: static; min-height: 0; }
  .process__steps { grid-template-columns: 1fr; gap: 0; }
  .pstep { opacity: 1; transform: none; padding-block: 1.5rem; }
  .process__rail { display: none; }
}

/* =========================================================
   PROOF
   ========================================================= */
.proof { padding-block: clamp(4rem, 10vw, 8rem); }
.proof .eyebrow { margin-bottom: 1.2rem; }
.proof__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2rem); }
.proof__case { position: relative; display: flex; flex-direction: column; padding: clamp(1.8rem, 4vw, 2.8rem); border: 1px solid var(--line); background: var(--surface); overflow: hidden; transition: border-color .4s, transform .5s var(--ease-smooth); }
.proof__case::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-smooth); }
.proof__case:hover { border-color: var(--line-2); transform: translateY(-4px); }
.proof__case:hover::before { transform: scaleX(1); }
.proof__case-top { display: flex; justify-content: space-between; align-items: center; font-size: .72rem; color: var(--muted); letter-spacing: .08em; margin-bottom: 2.5rem; }
.proof__live { display: inline-flex; align-items: center; gap: .45rem; color: var(--lime); }
.proof__case h3 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.03em; margin-bottom: .8rem; }
.proof__case p { color: var(--muted); max-width: 40ch; flex: 1; }
.proof__link { margin-top: 1.8rem; font-family: var(--font-mono); font-size: .82rem; color: var(--lime); letter-spacing: .04em; }
.proof__portfolio { margin-top: clamp(2rem, 4vw, 3rem); }
.pullquote { margin-top: clamp(3rem, 8vw, 6rem); text-align: center; }
.pullquote p { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.6rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -0.035em; text-wrap: balance; max-width: 20ch; margin-inline: auto; }
@media (max-width: 700px) { .proof__grid { grid-template-columns: 1fr; } }

/* =========================================================
   PRICING
   ========================================================= */
.pricing { padding-block: clamp(1rem, 4vw, 3rem) clamp(4rem, 10vw, 8rem); }
.pricing__intro { color: var(--muted); max-width: 52ch; margin-bottom: 2.5rem; font-size: 1.02rem; margin-top: -2rem; }
.pricing__note { color: var(--muted); font-family: var(--font-mono); font-size: .82rem; margin-top: -3rem; margin-bottom: 3rem; }
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.6rem); align-items: stretch; }
.tier { position: relative; display: flex; flex-direction: column; padding: clamp(1.8rem, 3vw, 2.6rem); border: 1px solid var(--line); background: var(--surface); transition: border-color .4s, transform .5s var(--ease-smooth), background .4s; }
.tier:hover { border-color: var(--line-2); transform: translateY(-4px); }
.tier--feature { background: var(--surface-2); border-color: var(--lime); }
.tier--feature:hover { border-color: var(--lime); }
.tier__flag { position: absolute; top: -1px; right: 1.4rem; transform: translateY(-50%); background: var(--lime); color: #0A0C05; font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; padding: .3rem .7rem; }
.tier__head { padding-bottom: 1.6rem; border-bottom: 1px solid var(--line); margin-bottom: 1.6rem; }
.tier__name { font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 1rem; }
.tier--feature .tier__name { color: var(--lime); }
.tier__price { font-family: var(--font-display); font-weight: 900; font-size: clamp(2.4rem, 5vw, 3.4rem); letter-spacing: -0.04em; line-height: .9; }
.tier__from { display: block; font-family: var(--font-body); font-weight: 400; font-size: .78rem; color: var(--faint); letter-spacing: 0; margin-bottom: .5rem; }
.tier__k { font-size: 1.3rem; font-weight: 700; margin-left: .2rem; color: var(--muted); }
.tier__price--custom { font-size: clamp(1.6rem, 3.5vw, 2.2rem); color: var(--ink); }
.tier__pitch { color: var(--muted); font-size: .95rem; margin-bottom: 1.6rem; }
.tier__list { list-style: none; display: grid; gap: .8rem; margin-bottom: 2rem; flex: 1; }
.tier__list li { position: relative; padding-left: 1.5rem; font-size: .92rem; }
.tier__list li::before { content: '✦'; position: absolute; left: 0; color: var(--lime); font-size: .8rem; top: .12rem; }
@media (max-width: 900px) { .pricing__grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } .pricing__note { margin-top: -1.5rem; } }

/* =========================================================
   BRIEF (form)
   ========================================================= */
.brief { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); padding-block: clamp(4rem, 9vw, 8rem); align-items: start; }
.brief__intro { position: sticky; top: 6rem; }
.brief__intro .eyebrow { margin-bottom: 1.2rem; }
.brief__intro h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.02; letter-spacing: -0.04em; margin-bottom: 1.4rem; text-wrap: balance; }
.brief__lead { color: var(--muted); max-width: 40ch; margin-bottom: 2rem; }
.brief__wa { width: fit-content; }
.brief__form { display: grid; gap: 1.6rem; }
.field { display: grid; gap: .55rem; }
.field label { font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.field__opt { color: var(--faint); text-transform: none; letter-spacing: 0; }
.field input, .field textarea, .field select {
  width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--line-2);
  padding: .7rem 0; font-size: 1.05rem; color: var(--ink); transition: border-color .35s;
  min-height: 44px; /* touch target mínimo */
}
.field textarea { resize: vertical; min-height: 3.5rem; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-bottom-color: var(--lime); }
.field.is-invalid input, .field.is-invalid textarea, .field.is-invalid select { border-bottom-color: #E5533D; }
.field__error { font-size: .78rem; color: #E5533D; min-height: 1rem; opacity: 0; transform: translateY(-3px); transition: opacity .3s, transform .3s; }
.field.is-invalid .field__error { opacity: 1; transform: none; }
.select-wrap { position: relative; }
.select-wrap select { appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 2rem; }
.select-wrap select option { background: var(--surface); color: var(--ink); }
.select-wrap__chev { position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--lime); pointer-events: none; font-size: .8rem; }
.brief__status { font-family: var(--font-mono); font-size: .85rem; min-height: 1.4rem; }
.brief__status.is-error { color: #E5533D; }
.brief__status.is-success { color: var(--lime); }
#briefSubmit.is-loading { pointer-events: none; opacity: .8; }
#briefSubmit.is-loading .btn__label::after { content: '…'; animation: dots 1.2s steps(4) infinite; }
@keyframes dots { to { content: '……'; } }
@media (max-width: 820px) { .brief { grid-template-columns: 1fr; padding-bottom: 3rem; } .brief__intro { position: static; } } /* B-06: remove dead space após form */

/* =========================================================
   FAQ
   ========================================================= */
.faq { padding-block: clamp(4rem, 9vw, 8rem); border-top: 1px solid var(--line); }
.faq__list { display: grid; }
.qa { border-bottom: 1px solid var(--line); }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.6rem 0; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2.4vw, 1.5rem); letter-spacing: -0.02em; transition: color .3s; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--lime); }
.qa__icon { position: relative; flex: none; width: 18px; height: 18px; }
.qa__icon::before, .qa__icon::after { content: ''; position: absolute; top: 50%; left: 50%; background: var(--lime); transition: transform .35s var(--ease-smooth); }
.qa__icon::before { width: 14px; height: 1.5px; transform: translate(-50%, -50%); }
.qa__icon::after { width: 1.5px; height: 14px; transform: translate(-50%, -50%); }
.qa[open] .qa__icon::after { transform: translate(-50%, -50%) scaleY(0); }
.qa > p { max-width: 62ch; color: var(--muted); padding-bottom: 1.8rem; margin-top: -.3rem; font-size: 1.02rem; }

/* =========================================================
   FINAL CTA
   ========================================================= */
.final { position: relative; padding-block: clamp(6rem, 16vw, 12rem); text-align: center; overflow: hidden; border-top: 1px solid var(--line); background: var(--bg-2); isolation: isolate; }
.final__canvas-wrap { position: absolute; inset: 0; z-index: -1; opacity: .5; -webkit-mask-image: radial-gradient(70% 70% at 50% 45%, #000, transparent 75%); mask-image: radial-gradient(70% 70% at 50% 45%, #000, transparent 75%); }
.final__canvas-wrap canvas { width: 100%; height: 100%; }
.final__inner h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(2.4rem, 8vw, 6.5rem); line-height: .95; letter-spacing: -0.045em; margin-bottom: 1.4rem; text-wrap: balance; }
.final__inner h2 em { font-style: normal; color: var(--lime); }
.final__inner > p { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 44ch; margin: 0 auto 2.6rem; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { padding-block: clamp(3rem, 6vw, 5rem) 2.5rem; display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; }
.footer__brand p { color: var(--muted); max-width: 34ch; margin-top: 1rem; font-size: .95rem; }
.footer__brand .nav__word { font-size: 1.3rem; }
.footer__links { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.footer__h { font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--faint); margin-bottom: 1rem; }
.footer__links a { display: flex; align-items: center; min-height: 44px; color: var(--muted); font-size: .92rem; padding: 0; transition: color .3s; } /* B-04: touch target ≥44px */
.footer__links a:hover { color: var(--lime); }
.footer__base { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 2.5rem; margin-top: 1rem; border-top: 1px solid var(--line); }
.footer__base p { font-size: .74rem; color: var(--faint); letter-spacing: .04em; }
@media (max-width: 720px) { .footer { grid-template-columns: 1fr; gap: 2.5rem; } }

/* =========================================================
   REVEAL (scroll)
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease-smooth), transform .8s var(--ease-smooth); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__title .line { transform: none !important; }
}

/* line reveal (hero) — via JS class */
.hero__title .line { transform: translateY(105%); transition: transform 1s var(--ease-smooth); }
.hero__title.is-in .line { transform: translateY(0); }
.hero__title.is-in .line:nth-child(2) { transition-delay: .09s; }
.hero__title.is-in .line:nth-child(3) { transition-delay: .18s; }

/* =========================================================
   FOUNDER
   ========================================================= */
.founder {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: clamp(3rem, 8vw, 7rem); padding-block: clamp(4rem, 10vw, 8rem);
  align-items: center; border-top: 1px solid var(--line);
}
.founder__frame {
  position: relative; aspect-ratio: 3 / 4; overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
}
.founder__photo {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center top; display: block; opacity: 0;
  transition: opacity .45s var(--ease-smooth); z-index: 1;
}
.founder__photo.loaded { opacity: 1; }
.founder__placeholder {
  position: absolute; inset: 0; z-index: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(80% 80% at 50% 50%, rgba(198,242,78,.06), transparent 70%), var(--surface);
}
.founder__loop-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.founder__monogram {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(4.5rem, 14vw, 8rem); letter-spacing: -0.04em; line-height: 1;
  color: var(--lime); text-shadow: 0 0 80px rgba(198,242,78,.25); position: relative; z-index: 1;
}
.founder__handle { margin-top: 1.2rem; font-family: var(--font-mono); font-size: .78rem; color: var(--lime); text-transform: uppercase; letter-spacing: .16em; }
.founder__bio .eyebrow { margin-bottom: 0; }
.founder__name {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem); letter-spacing: -0.04em; line-height: 1;
  margin: .9rem 0 1.8rem;
}
.founder__text { color: var(--muted); max-width: 50ch; font-size: 1.05rem; margin-bottom: 1.2rem; line-height: 1.65; }
.founder__text a { color: var(--lime); border-bottom: 1px solid var(--lime-dim); transition: border-color .3s; }
.founder__text a:hover { border-color: var(--lime); }
.founder__links { display: flex; flex-direction: column; gap: 0; margin-top: 1.6rem; }
.founder__link {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  font-family: var(--font-mono); font-size: .82rem; color: var(--muted); letter-spacing: .04em;
  padding: .9rem 0; border-bottom: 1px solid var(--line); transition: color .3s;
}
.founder__link:hover { color: var(--lime); }
@media (max-width: 780px) {
  .founder { grid-template-columns: 1fr; gap: 2.5rem; }
  .founder__frame { max-width: 260px; aspect-ratio: 1 / 1; }
}

/* =========================================================
   PREVIEW SWITCHER (?preview=1 only)
   ========================================================= */
.preview-panel {
  position: fixed; bottom: 1.4rem; left: 1.4rem; z-index: 10000;
  background: rgba(8,9,10,.92); border: 1px solid var(--line-2);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: .9rem 1.1rem; display: flex; flex-direction: column; gap: .6rem;
}
.preview-panel__label {
  font-family: var(--font-mono); font-size: .65rem; text-transform: uppercase;
  letter-spacing: .18em; color: var(--lime); margin-bottom: .2rem;
}
.preview-panel__btns { display: flex; flex-wrap: wrap; gap: .45rem; }
.preview-panel__btn {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em;
  padding: .35rem .7rem; border: 1px solid var(--line-2); background: transparent;
  color: var(--muted); cursor: pointer; transition: border-color .2s, color .2s, background .2s;
  white-space: nowrap;
}
.preview-panel__btn:hover { border-color: var(--lime); color: var(--lime); }
.preview-panel__btn.is-active { background: var(--lime); color: #0A0C05; border-color: var(--lime); }

/* =========================================================
   HERO SCRUB ENGINE
   ========================================================= */

/* Loader bar (position: fixed — aparece no topo durante preload) */
.hero__scrub-loader {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  z-index: 9994; pointer-events: none;
}
.hero__scrub-loader span {
  display: block; height: 100%;
  background: var(--lime); box-shadow: 0 0 10px var(--lime);
  width: 0; transition: width .12s linear;
}

/* Scrub canvas — oculto no modo estático */
.hero__scrub-canvas {
  display: none;
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: -3;
  will-change: contents;
  transform: translateZ(0);
}

/* Wrapper sticky — transparente no modo estático */
.hero__sticky {
  display: contents; /* herda layout do .hero, filhos são diretos dele */
}

/* ── SCRUB ACTIVE ─────────────────────────────────────── */
body.scrub-active {
  --hero-vh: 300vh;
}

/* Hero vira pista de scroll de 300vh */
body.scrub-active .hero {
  height: var(--hero-vh);
  min-height: 0;
  display: block;
  padding: 0;
  overflow: visible;
  isolation: auto;
}

/* Sticky viewport: pino de 100svh enquanto a pista rola */
body.scrub-active .hero__sticky {
  display: flex;
  align-items: flex-end;
  position: sticky;
  top: 0;
  height: 100svh;
  width: 100%;
  padding: clamp(3.5rem, 6vh, 5rem) var(--gutter) clamp(2rem, 4vh, 3rem);
  overflow: hidden;
  isolation: isolate;
  will-change: transform;
  transform: translateZ(0);
}

/* Mostra canvas de scrub, oculta assets estáticos */
body.scrub-active .hero__scrub-canvas { display: block; }
body.scrub-active .hero__img          { display: none; }
body.scrub-active #loops              { display: none; }

/* will-change apenas em scrub-active (desktop) — evita bug iOS Safari com will-change em flex item */
body.scrub-active .hero__inner { will-change: opacity, transform; }

/* Mantém o confinamento de texto em desktop */
@media (min-width: 1024px) {
  body.scrub-active .hero__inner {
    max-width: 54%;
    margin-left: 0;
    margin-right: auto;
  }
}

/* Guard mobile explícito: garante que hero__inner não extravase em nenhum cenário */
@media (max-width: 767px) {
  .hero__inner {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
}

/* Indicador de scroll: fade via JS (opacity inline) */
body.scrub-active .hero__scroll {
  transition: opacity .3s;
}

/* =========================================================
   MOBILE AUDIT FIXES (auditoria 2026-07-13)
   ========================================================= */

/* P-01: font-size mínimo 14px para elementos acionáveis em mobile */
@media (max-width: 860px) {
  .btn--sm { font-size: 0.875rem; }
  .hero__selectivity { font-size: 0.875rem; }
}

/* P-02: força camada GPU no botão da seção final para evitar artefatos de cor mobile */
.final__inner .btn--solid {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* =========================================================
   TASK 2a — MOBILE HERO NAV FIX
   Troca align-items para flex-start em mobile: o conteúdo
   parte do topo (abaixo da nav) em vez de tentar encaixar
   pelo rodapé, evitando overflow e corte pelo nav fixo.
   ========================================================= */
@media (max-width: 767px) {
  .hero {
    align-items: flex-start;
    padding-top: max(5rem, 78px); /* 80px > nav (~64px) = respiro garantido */
    padding-bottom: clamp(1rem, 2vh, 2rem);
    height: auto;
    min-height: 640px;
  }
}

/* =========================================================
   TASK 2b — LOOPFIELD CANVAS OCULTO EM MOBILE
   Remove fragmento do anel lime no canto superior esquerdo
   ========================================================= */
@media (max-width: 767px) {
  .hero__canvas { display: none !important; }
}

/* =========================================================
   TASK 5 — HERO CLOSING BLOCK (coreografia scrub p=0.8→1)
   Default: display:none — ativo apenas via body.scrub-active (desktop).
   Inverte o padrão para evitar bug iOS Safari onde media-query override
   de display pode ser ignorado (display:none base é mais seguro que override).
   ========================================================= */
.hero__closing {
  display: none; /* padrão: oculto — scrub-active o mostra abaixo */
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  align-items: flex-end;
  padding: clamp(3.5rem, 6vh, 5rem) var(--gutter) clamp(2rem, 4vh, 3rem);
  will-change: opacity;
}

/* Ativo em desktop scrub: mostra o bloco como flex container */
body.scrub-active .hero__closing {
  display: flex;
}

/* Scrim local no canto inferior-esquerdo — zona menos ruidosa do frame final */
.hero__closing-scrim {
  position: absolute;
  inset: auto 45% 0 0;
  top: 35%;
  background:
    linear-gradient(to right, rgba(8,9,10,.90) 0%, rgba(8,9,10,.55) 55%, transparent 100%),
    linear-gradient(to top,   rgba(8,9,10,.82) 0%, transparent 75%);
  pointer-events: none;
}

.hero__closing-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  max-width: 54%;
}

.hero__closing-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 5.5vw, 5rem);
  letter-spacing: -0.045em;
  line-height: 0.92;
  color: var(--ink);
  text-wrap: balance;
}

.hero__closing .btn {
  pointer-events: all;
  width: fit-content;
}

/* =========================================================
   TASK 6 — PARTICLES CANVAS (Three.js ember, desktop scrub)
   ========================================================= */
.hero__particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;         /* acima do veil (-1), abaixo do texto (normal flow) */
  pointer-events: none;
  display: none;       /* só visível durante scrub-active */
  will-change: contents;
}

body.scrub-active .hero__particles-canvas {
  display: block;
}

@media (max-width: 767px) {
  .hero__particles-canvas { display: none !important; }
}

/* =========================================================
   POLISH ROUND — 2026-07-13
   F1  CTAs side by side em mobile (uma linha ≥360px)
   F2  Stats em 3 colunas iguais no mobile
   F3  Rosto do fundador livre da nav no mobile
   F4  Headline desktop sem corte sob a nav (padding-top ≥ 80px)
   ========================================================= */

/* F1 — CTAs em linha: nowrap + font/padding compactos para caber em 360px */
@media (max-width: 767px) {
  .hero__cta {
    flex-wrap: nowrap;
    gap: .35rem;
  }
  .hero__cta .btn {
    flex: 1 1 0;
    min-width: 0;
    font-size: clamp(.65rem, 3.1vw, .88rem); /* ~10.4–14px escalando com vp */
    padding-inline: clamp(.35rem, 1.85vw, .85rem);
    gap: .28rem;         /* espaço interno entre texto e seta */
    min-height: 44px;
    white-space: nowrap;
    overflow: hidden;    /* safety: evita bleed se fonte carregar maior */
  }
}

/* F2 — Stats: grid de 3 colunas iguais — zero wrap em qualquer mobile */
@media (max-width: 767px) {
  .hero__facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .25rem .3rem;
    flex-wrap: nowrap;   /* fallback se flex tomar controle */
  }
  .hero__facts dt {
    font-size: clamp(1.05rem, 5vw, 1.35rem);
  }
  .hero__facts dd {
    font-size: .6rem;
    max-width: none;
    line-height: 1.25;
    margin-top: .2rem;
  }
}

/* F3 — Imagem começa abaixo da nav: face 100% visível ≥ 72px do topo */
@media (max-width: 767px) {
  .hero__img {
    top: 72px;                  /* nav height ≈ 72px */
    height: calc(100% - 72px); /* mantém cobertura até o rodapé do hero */
  }
}

/* F4 — Desktop: padding-top sempre ≥ 80px (acima da nav de ~72px) */
@media (min-width: 768px) {
  .hero {
    padding-top: max(clamp(3.5rem, 6vh, 5rem), 80px);
  }
  body.scrub-active .hero__sticky {
    padding-top: max(clamp(3.5rem, 6vh, 5rem), 80px);
  }
}

/* F4b — Viewports curtas (≤ 1050px): reduz fonte do título para caber na dobra */
@media (min-width: 768px) and (max-height: 1050px) {
  .hero__title {
    font-size: clamp(2rem, 4.5vw, 4.2rem);
  }
}