/* ================================================================
   HERO
================================================================ */
.hero {
  position: relative;
  padding: calc(var(--space-2xl) + 3rem) 0 var(--space-2xl);
  overflow: clip;
  isolation: isolate;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 5rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero { padding-top: calc(var(--space-xl) + 4.5rem); }
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-l); }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6ch;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-m);
}
.hero__eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--muted);
}
.hero__title {
  font-size: clamp(3rem, 2.2rem + 6vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  margin-bottom: var(--space-m);
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
  display: inline-block;
}
.hero__sub {
  font-size: var(--step-1);
  color: var(--ink-2);
  max-width: 34rem;
  margin-bottom: var(--space-l);
  line-height: 1.5;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, auto));
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-top: var(--space-m);
  border-top: 1px solid var(--line-2);
  max-width: 34rem;
}
.hero__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.hero__stat-num.mono-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--step-2);
  letter-spacing: 0.02em;
}
.hero__stat-num sup {
  font-size: 0.45em; font-weight: 600;
  color: var(--accent); letter-spacing: 0;
  top: -0.9em; margin-left: 0.15ch;
}
.hero__stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.3;
}

.hero__media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.6),
              0 0 0 1px var(--line-2);
}
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, color-mix(in oklch, var(--bg) 55%, transparent));
  pointer-events: none;
}
.hero__media img {
  width: 100%; height: 108%;
  object-fit: cover; object-position: center top;
  will-change: transform;
  transform-origin: center top;
}
.hero__badge {
  position: absolute;
  left: var(--space-s); bottom: var(--space-s);
  z-index: 2;
  display: inline-flex; flex-direction: column; gap: 2px;
  padding: 0.75rem 0.95rem;
  background: color-mix(in oklch, var(--bg) 75%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.hero__badge-label {
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
}
.hero__badge-value {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  color: var(--ink);
  letter-spacing: 0.03em;
}

/* Placeholder graphic when photo not yet loaded */
.hero__media-placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: end center;
  padding: var(--space-l) var(--space-m);
  background:
    radial-gradient(ellipse at 50% 20%, color-mix(in oklch, var(--accent) 25%, transparent) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  color: var(--muted);
  text-align: center;
}
.hero__media-placeholder::before {
  content: "";
  position: absolute;
  inset: 12% 20% 30%;
  border: 1px dashed color-mix(in oklch, var(--ink) 25%, transparent);
  border-radius: 4px;
  opacity: 0.6;
}
.hero__media-placeholder span {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.hero__media-placeholder small {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
}

/* ================================================================
   INTERLUDE — full-bleed atmospheric break
================================================================ */
.interlude {
  position: relative;
  min-height: min(80vh, 640px);
  padding: 0;
  isolation: isolate;
  overflow: hidden;
}
.interlude__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 40%;
  transform-origin: center;
  will-change: transform;
}
.interlude::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--bg) 60%, transparent) 0%,
      color-mix(in oklch, var(--bg) 25%, transparent) 45%,
      color-mix(in oklch, var(--bg) 85%, transparent) 100%);
  pointer-events: none;
}
.interlude__inner {
  position: relative;
  z-index: 1;
  display: flex; flex-direction: column;
  justify-content: center;
  min-height: min(80vh, 640px);
  padding: var(--space-2xl) 0;
}
.interlude__quote {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.6rem + 6vw, 6.5rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  color: var(--ink);
  max-width: 18ch;
  text-wrap: balance;
}
.interlude__quote em {
  font-style: normal;
  color: var(--accent);
}
.interlude__meta {
  margin-top: var(--space-m);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.split__media-placeholder {
  padding: var(--space-l) var(--space-m);
  text-align: center;
}
.split__media-placeholder::before {
  content: "";
  position: absolute;
  inset: 15% 20% 30%;
  border: 1px dashed color-mix(in oklch, var(--ink) 25%, transparent);
  border-radius: 4px;
  opacity: 0.5;
}

/* ================================================================
   TICKER — infinite marquee of credentials
================================================================ */
.ticker {
  border-block: 1px solid var(--line-2);
  padding: var(--space-s) 0;
  overflow: hidden;
  background: var(--surface);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track {
  display: inline-flex; gap: 4rem;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-left: 4rem;
}
.ticker__item { display: inline-flex; align-items: center; gap: 0.6ch; }
.ticker__item::before {
  content: "";
  width: 5px; height: 5px; border-radius: 999px;
  background: var(--accent);
}
@keyframes ticker {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none; padding-left: 0; }
}

/* ================================================================
   METODOLOGIA — 3 pilares
================================================================ */
.method__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-l);
}
.pillar {
  position: relative;
  padding: var(--space-l) 0 0;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: var(--space-s);
}
.pillar__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.pillar__title {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 0.95;
}
.pillar__body { font-size: var(--step-0); color: var(--ink-2); }
.pillar__meta {
  display: inline-flex; gap: 0.6ch; align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: auto;
}

/* ================================================================
   SPLIT (Sobre / Sistema) — imagem + texto assimétrico
================================================================ */
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split--flip { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--flip .split__media { order: 2; }

@media (max-width: 860px) {
  .split, .split--flip { grid-template-columns: 1fr; }
  .split--flip .split__media { order: 0; }
}

.split__media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.55),
              0 0 0 1px var(--line-2);
}
.split__media img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 25%;
  will-change: transform;
}
.split__media-placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  color: var(--muted);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
}

.split__body h2 {
  font-size: clamp(2rem, 1.4rem + 3.5vw, 4.5rem);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-m);
}
.split__body p + p { margin-top: var(--space-s); }

.split__quote {
  margin-top: var(--space-m);
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: none;
  font-weight: 700;
  max-width: 32rem;
}

/* ================================================================
   PARA QUEM — chips grid
================================================================ */
.audience__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-s);
  list-style: none;
}
.audience__item {
  display: flex; align-items: baseline; gap: 0.9ch;
  padding: var(--space-m) var(--space-s);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}
.audience__item:hover {
  border-color: var(--accent);
  background: var(--surface-2);
}
.audience__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  min-width: 2rem;
}
.audience__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--ink);
}
.audience__desc {
  display: block;
  font-size: var(--step--1);
  color: var(--ink-2);
  margin-top: 0.35rem;
  text-transform: none;
  font-family: var(--font-body);
  letter-spacing: 0;
  font-weight: 400;
}

/* ================================================================
   SISTEMA — teaser bloco largo
================================================================ */
.system {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 20% 0%, color-mix(in oklch, var(--accent) 12%, transparent) 0%, transparent 45%),
    var(--bg);
  border-block: 1px solid var(--line-2);
}
.system__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
@media (max-width: 860px) {
  .system__grid { grid-template-columns: 1fr; }
}
.system__body h2 {
  font-size: clamp(2rem, 1.4rem + 3.5vw, 4.5rem);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-m);
}
.system__tag {
  display: inline-flex; align-items: center; gap: 0.6ch;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  margin-bottom: var(--space-s);
}
.system__list {
  list-style: none;
  display: grid; gap: var(--space-s);
  margin-top: var(--space-m);
}
.system__list li {
  display: flex; gap: 0.9ch;
  color: var(--ink-2);
  font-size: var(--step-0);
}
.system__list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px; height: 8px;
  margin-top: 0.55em;
  border-radius: 2px;
  background: var(--accent);
}

/* App mock */
.mock {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line-2);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.55);
  overflow: hidden;
}
.mock__screen {
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--line-2);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-2);
}
.mock__head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-2);
}
.mock__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.mock__pill {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent) 22%, transparent);
  color: var(--accent);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.mock__row {
  display: grid;
  grid-template-columns: 1fr 60px 90px;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--line-2);
  gap: 0.5rem;
}
.mock__row:last-child { border-bottom: 0; }
.mock__row-name { color: var(--ink); font-family: var(--font-body); font-size: 0.9rem; letter-spacing: 0; }
.mock__row-sets { color: var(--muted); text-align: right; }
.mock__row-load { color: var(--ink); text-align: right; font-weight: 500; }
.mock__row-load .delta {
  display: inline-block;
  margin-left: 0.35ch;
  color: var(--accent);
  font-size: 0.72rem;
}
.mock__bar {
  height: 4px; border-radius: 999px;
  background: color-mix(in oklch, var(--ink) 8%, transparent);
  overflow: hidden;
  margin-top: 0.85rem;
}
.mock__bar > span {
  display: block; height: 100%;
  background: var(--accent);
  border-radius: 999px;
  width: 0;
  transition: width 1.4s var(--ease-out);
}
.mock.is-in .mock__bar > span { width: var(--v, 62%); }

/* ================================================================
   FAQ
================================================================ */
.faq__list { display: grid; gap: 1px; background: var(--line-2); border-block: 1px solid var(--line-2); }
.faq__item { background: var(--bg); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-s);
  padding: var(--space-m) 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}
.faq__q:hover { color: var(--accent); }
.faq__icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  position: relative;
}
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: currentColor;
}
.faq__icon::before { width: 18px; height: 2px; }
.faq__icon::after { width: 2px; height: 18px; transition: transform var(--dur) var(--ease-out); }
.faq__item[open] .faq__icon::after { transform: rotate(90deg); }
.faq__a {
  padding-bottom: var(--space-m);
  color: var(--ink-2);
  font-size: var(--step-0);
  max-width: 60ch;
}

/* ================================================================
   CTA final
================================================================ */
.cta-final {
  position: relative;
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 80% 40%, color-mix(in oklch, var(--accent) 18%, transparent) 0%, transparent 55%),
    var(--bg);
  overflow: clip;
  isolation: isolate;
}
.cta-final__inner { text-align: center; max-width: 46rem; margin-inline: auto; }
.cta-final h2 {
  font-size: clamp(2.5rem, 1.6rem + 6vw, 6.5rem);
  letter-spacing: -0.045em;
  line-height: 0.92;
  margin-bottom: var(--space-m);
}
.cta-final p {
  font-size: var(--step-1);
  color: var(--ink-2);
  margin: 0 auto var(--space-l);
  max-width: 34rem;
}
.cta-final .btn { padding: 1.25rem 2rem; font-size: var(--step-1); }

/* ================================================================
   FOOTER
================================================================ */
.footer {
  padding: var(--space-l) 0 var(--space-m);
  border-top: 1px solid var(--line-2);
  color: var(--muted);
  font-size: var(--step--1);
}
.footer__grid {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: var(--space-m);
  align-items: baseline;
}
.footer__links { display: flex; gap: var(--space-m); flex-wrap: wrap; }
.footer__links a:hover { color: var(--ink); }
.footer__meta {
  margin-top: var(--space-s);
  padding-top: var(--space-s);
  border-top: 1px solid var(--line-2);
  display: flex; flex-wrap: wrap; gap: var(--space-s) var(--space-m);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ================================================================
   STICKY MOBILE CTA
================================================================ */
.sticky-cta {
  position: fixed;
  left: var(--space-s); right: var(--space-s);
  bottom: var(--space-s);
  z-index: var(--z-sticky-cta);
  display: none;
  transform: translateY(140%);
  transition: transform 500ms var(--ease-out);
  will-change: transform;
}
.sticky-cta[data-show="true"] { transform: none; }
.sticky-cta .btn { width: 100%; padding: 1rem 1.25rem; font-size: var(--step-0); box-shadow: 0 12px 30px -8px rgba(0,0,0,0.55); }
@media (max-width: 860px) {
  .sticky-cta { display: block; }
}

/* ================================================================
   NAV hidden state on scroll down (mobile) — extra fluidity
================================================================ */
@media (max-width: 860px) {
  .nav {
    transition: transform 400ms var(--ease-out),
                background var(--dur) var(--ease-out),
                border-color var(--dur) var(--ease-out);
  }
  .nav[data-hidden="true"] { transform: translateY(-110%); }
}