*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #0f0f0f;
  --border: #e2e2e2;
  --white: #ffffff;
  --off: #f7f7f7;
  --f: 'Inter', system-ui, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
}

html {
  scroll-behavior: smooth;
  background: var(--white);
}

body {
  font-family: var(--f);
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* ── GRID LINES ─────────────────────────────── */
.grid-bg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to right, var(--border) 1px, transparent 1px);
  background-size: 1px 100%, 1px 100%;
  background-position: 10vw 0, 90vw 0;
  background-repeat: no-repeat;
}

section { position: relative; overflow: hidden; }
section > *:not(.grid-bg) { position: relative; z-index: 1; }

/* offer precisa de overflow visible para sticky funcionar */
#offer {
  overflow: visible;
  padding-bottom: 120px;
}

/* ── NAV ─────────────────────────────────────── */
.nav-wrapper {
  position: fixed; top: 20px; left: 0; right: 0;
  z-index: 99; display: flex; justify-content: center;
  pointer-events: none;
  animation: navIn 1.2s 0.1s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes navIn {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: none; }
}
nav {
  pointer-events: all; font-family: var(--f);
  color: var(--white); background: var(--black);
  padding: 8px 8px 8px 28px;
  border: 1px solid rgba(255,255,255,0.1); border-radius: 16px;
  display: flex; align-items: center; gap: 4px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}
.nav-logo {
  font-size: 13px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--white);
  text-decoration: none; margin-right: 12px;
}
.nav-divider { width: 1px; height: 16px; background: rgba(255,255,255,0.15); flex-shrink: 0; margin: 0 8px; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.7);
  text-decoration: none; padding: 8px 14px; border-radius: 10px;
  transition: color 0.18s, background 0.18s; white-space: nowrap;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--black); background: var(--white);
  padding: 0 16px; border-radius: 10px; text-decoration: none;
  cursor: pointer; height: 36px; margin-left: 8px; white-space: nowrap;
  transition: opacity 0.18s;
}
.nav-pill:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.nav-pill svg { width: 14px; height: 14px; stroke: var(--black); fill: none; flex-shrink: 0; }
.nav-menu-icon {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px; display: none; align-items: center; justify-content: center;
  cursor: pointer; transition: background 0.18s; color: rgba(255,255,255,0.7);
}
.nav-menu-icon:hover { background: rgba(255,255,255,0.08); }
.nav-menu-icon svg { width: 15px; height: 15px; }


/* ── NAV DROPDOWN ─────────────────────────────── */
.nav-links > li { position: relative; }

.nav-dd-btn {
  font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.7);
  background: none; border: none; cursor: pointer; font-family: var(--f);
  padding: 8px 14px; border-radius: 10px; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 5px;
  transition: color 0.18s, background 0.18s;
}
.nav-dd-btn:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-chevron {
  width: 11px; height: 11px; stroke: currentColor; fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s ease;
}
.nav-li-open .nav-chevron { transform: rotate(180deg); }

/* Painel */
.nav-dd-panel {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: #0d0d0d;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 10px;
  width: 580px;
  max-width: calc(100vw - 40px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  z-index: 999;
  grid-template-columns: 220px 1fr;
  gap: 10px;
}
.nav-li-open .nav-dd-panel { display: grid; align-items: stretch; }

/* Featured: Akino Systems */
.nav-dd-feat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px; padding: 18px;
  display: flex; flex-direction: column; gap: 8px;
  text-decoration: none; transition: background 0.18s;
  min-width: 0; overflow: hidden;
}
.nav-dd-feat-desc { font-size: 11px; color: rgba(255,255,255,0.35); line-height: 1.5; word-break: break-word; overflow-wrap: break-word; white-space: normal; flex: 1; }
.nav-dd-feat-cta {
  font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.45);
  display: inline-flex; align-items: center; gap: 4px; transition: color 0.15s;
  margin-top: auto; padding-top: 4px;
}

/* Items */
.nav-dd-items { display: flex; flex-direction: column; justify-content: space-between; padding: 4px 0; }
.nav-dd-feat:hover { background: rgba(255,255,255,0.07); }
.nav-dd-feat-ico {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.nav-dd-feat-ico svg { width: 15px; height: 15px; stroke: rgba(255,255,255,0.7); fill: none; stroke-width: 1.5; }
.nav-dd-feat-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 9px; font-weight: 500; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(255,255,255,0.35);
}
.nav-dd-feat-dot {
  width: 5px; height: 5px; border-radius: 50%; background: #4ade80;
  animation: statusPulse 2.5s ease-in-out infinite;
}
.nav-dd-feat-name { font-size: 13px; font-weight: 500; color: var(--white); }
.nav-dd-feat-cta {
  font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.45);
  display: inline-flex; align-items: center; gap: 4px; transition: color 0.15s;
}
.nav-dd-feat:hover .nav-dd-feat-cta { color: var(--white); }
.nav-dd-feat-cta svg { width: 10px; height: 10px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-dd-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; border-radius: 10px; text-decoration: none;
  transition: background 0.15s;
}
.nav-dd-item:hover { background: rgba(255,255,255,0.05); }
.nav-dd-item-ico {
  width: 26px; height: 26px; flex-shrink: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}
.nav-dd-item-ico svg { width: 12px; height: 12px; stroke: rgba(255,255,255,0.5); fill: none; stroke-width: 1.5; }
.nav-dd-item-t { font-size: 12px; font-weight: 500; color: var(--white); }
.nav-dd-item-d { font-size: 11px; color: rgba(255,255,255,0.33); line-height: 1.4; }

/* ── MOBILE DROPDOWN ──────────────────────────── */
.mob-dd-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; background: none; border: none; padding: 14px 0; cursor: pointer;
  font-family: var(--f); color: rgba(255,255,255,0.75);
  font-size: 22px; font-weight: 400; letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 0.2s;
}
.mob-dd-trigger:hover { color: var(--white); }
.mob-dd-trigger-inner {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
}
.mob-dd-trigger-num {
  font-size: 11px; opacity: 0.3; letter-spacing: 0.04em; font-weight: 400;
}
.mob-chevron {
  width: 14px; height: 14px; stroke: rgba(255,255,255,0.4); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.22s ease; flex-shrink: 0;
}
.mob-dd-li.mob-open .mob-chevron { transform: rotate(180deg); }
.mob-dd-li.mob-open .mob-dd-trigger { border-bottom-color: transparent; }
.mob-dd-sub {
  overflow: hidden; max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.16,1,0.3,1);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mob-dd-li.mob-open .mob-dd-sub { max-height: 320px; }
.mob-dd-sub a {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 17px; font-weight: 400; letter-spacing: -0.01em;
  color: rgba(255,255,255,0.5); padding: 12px 0 12px 20px;
  text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.15s;
}
.mob-dd-sub a:last-child { border-bottom: none; }
.mob-dd-sub a:hover { color: var(--white); }

/* ── HERO ─────────────────────────────────────── */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 140px 56px 0;
  border-bottom: 1px solid var(--border);
  background: #ffffff;
  overflow: hidden;
}

#gp-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9998;
}


/* ── WORD-BY-WORD ANIMATION ─────────────────────
   Cada palavra é um span com display:inline-block
   A animação é controlada por JS com delays
──────────────────────────────────────────────── */
.word-reveal {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(16px);
  /* não usar animation CSS — delay é aplicado via JS */
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1),
              filter 0.9s cubic-bezier(0.16,1,0.3,1),
              transform 0.9s cubic-bezier(0.16,1,0.3,1);
  will-change: opacity, filter, transform;
}
.word-reveal.revealed {
  opacity: 1;
  filter: blur(0px);
  transform: translateY(0);
}

/* linha quebrada preserva espaço */
.word-reveal-br { display: block; }

/* badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 99px; padding: 6px 16px 6px 6px;
  margin-bottom: 32px; text-decoration: none;
  opacity: 0; animation: heroReveal 1.2s 0.15s cubic-bezier(0.16,1,0.3,1) forwards;
  transition: box-shadow 0.2s, transform 0.2s;
}
.hero-badge:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--black); flex-shrink: 0; }
.hero-badge-label { font-size: 11px; font-weight: 400; color: var(--black); }
.hero-badge-arrow { font-size: 11px; color: var(--black); opacity: 0.35; }

.hero-h1 {
  font-size: 48px; font-weight: 400; line-height: 1.1; letter-spacing: -0.025em;
  color: var(--black); max-width: 700px;
  opacity: 1;
}

.hero-rotating-serif em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
}

.hero-rotating-wrap {
  display: inline-block; height: 1.15em;
  overflow: hidden; position: relative; vertical-align: bottom;
}
.hero-rotating-wrap span {
  display: block; position: absolute; top: 0; left: 0; right: 0;
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
.hero-rotating-wrap span.active  { opacity: 1; transform: translateY(0); position: relative; }
.hero-rotating-wrap span.leaving { opacity: 0; transform: translateY(-40px); position: absolute; top: 0; left: 0; right: 0; }

.hero-sub {
  font-size: 18px; font-weight: 400; line-height: 1.6; color: var(--black);
  max-width: 460px; margin-top: 28px;
  opacity: 1;
}
@keyframes heroReveal {
  0%   { opacity: 0; transform: translateY(24px); filter: blur(10px); }
  100% { opacity: 1; transform: translateY(0);    filter: blur(0px);  }
}
.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; margin-top: 48px;
  opacity: 0; animation: heroReveal 1.2s 1.8s cubic-bezier(0.16,1,0.3,1) forwards;
}

/* btn primary */
.btn-primary {
  position: relative; display: inline-flex; align-items: center;
  font-size: 14px; font-weight: 500; color: var(--white); background: var(--black);
  border: 1px solid var(--black); border-radius: 12px; height: 52px;
  padding: 0 28px 0 8px; text-decoration: none; cursor: pointer; overflow: hidden; min-width: 220px;
}
.btn-primary .btn-label  { position: relative; z-index: 1; padding-left: 54px; white-space: nowrap; }
.btn-primary .btn-slider {
  position: absolute; left: 5px; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 8px; background: var(--white); z-index: 2;
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}
.btn-primary:hover .btn-slider { width: calc(100% - 10px); }
.btn-primary .btn-icon {
  position: absolute; left: 5px; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  z-index: 3; pointer-events: none; transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}
.btn-primary:hover .btn-icon { width: calc(100% - 10px); }
.btn-primary .btn-icon svg { width: 16px; height: 16px; stroke: var(--black); fill: none; }

/* btn primary — variante no footer escuro (inverte cores) */
.footer-cta .btn-primary {
  background: var(--white);
  border-color: var(--white);
  color: var(--black);
}
.footer-cta .btn-primary .btn-slider { background: var(--black); }
.footer-cta .btn-primary .btn-icon svg { stroke: var(--white); }
.footer-cta .btn-primary .btn-label { color: var(--black); }
.footer-cta .btn-primary:hover .btn-label { color: var(--white); }

/* btn secondary */
.btn-secondary {
  font-size: 14px; font-weight: 400; color: var(--black); background: transparent;
  padding: 0 28px; border-radius: 12px; border: 1px solid var(--black);
  text-decoration: none; transition: background 0.2s; height: 52px;
  display: inline-flex; align-items: center; white-space: nowrap;
}
.btn-secondary:hover { background: var(--off); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

/* hero stats */
.hstat { text-align: center; }
.hstat-n { font-size: 34px; font-weight: 400; letter-spacing: -0.04em; line-height: 1; color: var(--black); }
.hstat-l { font-size: 10px; font-weight: 400; letter-spacing: 0.16em; text-transform: uppercase; color: var(--black); opacity: 0.4; margin-top: 7px; }

/* hero stats */
/* ── HERO HANDS ─────────────────────────────── */
.hero-hands {
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-left: -120px;
  margin-right: -120px;
  width: calc(100% + 240px);
  margin-top: auto;
  margin-bottom: 60px;
  pointer-events: none;
  flex-shrink: 0;
}
.hero-hand { width: 34%; flex-shrink: 0; position: relative; }
.hero-hand img { width: 100%; height: auto; display: block; }

/* White gradient fade on the arm/edge side of each hand */
.hero-hand::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-hand-left::after {
  background: linear-gradient(to right, white 0%, transparent 40%);
}
.hero-hand-right::after {
  background: linear-gradient(to left, white 0%, transparent 40%);
}

@keyframes handSlideLeft {
  from { opacity: 0; transform: translateX(-48px); }
  to   { opacity: 1; transform: none; }
}
@keyframes handSlideRight {
  from { opacity: 0; transform: translateX(48px); }
  to   { opacity: 1; transform: none; }
}
@keyframes handFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.hero-hand-left img {
  animation: handSlideLeft 1s 1.6s cubic-bezier(0.16,1,0.3,1) both,
             handFloat 9s 2.8s ease-in-out infinite;
}
.hero-hand-right img {
  animation: handSlideRight 1s 1.9s cubic-bezier(0.16,1,0.3,1) both,
             handFloat 9s 3.2s ease-in-out infinite;
}
  50%       { transform: scale(0.94) rotate(8deg); }
}

/* ── PROOF STRIP ─────────────────────────────── */
.proof-strip {
  border-bottom: 1px solid var(--border); padding: 26px 56px;
  display: flex; align-items: center; justify-content: center;
}
.proof-strip-label {
  font-size: 10px; font-weight: 400; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--black); opacity: 0.3; white-space: nowrap;
  padding-right: 40px; border-right: 1px solid var(--border); margin-right: 40px; flex-shrink: 0;
}
.proof-clients { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; }
.proof-client-item { font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--black); opacity: 0.28; white-space: nowrap; }

/* ── SHARED SECTION ─────────────────────────── */
.sec { padding: 120px 56px; border-bottom: 1px solid var(--border); text-align: center; }
.sec-label { font-size: 10px; font-weight: 500; letter-spacing: 0.26em; text-transform: uppercase; color: var(--black); opacity: 0.38; margin-bottom: 24px; }
.sec-h2 { font-size: clamp(32px, 3.8vw, 48px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.1; color: var(--black); max-width: 680px; margin: 0 auto; }
.sec-body { font-size: 17px; font-weight: 400; line-height: 1.7; color: var(--black); max-width: 480px; margin: 24px auto 0; }
.sec-body strong { font-weight: 500; }

/* ── PROBLEMS ───────────────────────────────── */
/* ── PROB LIST ────────────────────────────────── */
.prob-list { width: 100%; max-width: 860px; margin: 48px auto 0; border-top: 1px solid rgba(255,255,255,0.1); text-align: left; }

/* regular rows */
.prob-row {
  display: grid; grid-template-columns: 52px 1fr 1fr; padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08); align-items: center; cursor: default;
  opacity: 0; transform: translateY(24px);
  transition:
    opacity 0.75s cubic-bezier(0.16,1,0.3,1),
    transform 0.75s cubic-bezier(0.16,1,0.3,1),
    background 0.2s;
  will-change: opacity, transform;
}
.prob-row.v { opacity: 1; transform: none; }
.prob-row:hover { transform: translateX(10px); background: rgba(255,255,255,0.04); }
.prob-row:last-child { border-bottom: none; }
.prob-n { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.22); }
.prob-title { font-size: 15px; font-weight: 400; color: var(--white); letter-spacing: -0.01em; }
.prob-desc { font-size: 13px; font-weight: 400; line-height: 1.7; color: rgba(255,255,255,0.4); }

/* ── CARD 03 highlight modifier ─────────────── */
.prob-row--highlight {
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
  margin-top: 8px;
  border-radius: 10px;
  padding-left: 16px;
  padding-right: 12px;
}
.prob-row--highlight .prob-n { color: rgba(255,255,255,0.28); }
.prob-row--highlight .prob-title {
  font-size: 16px;
  color: rgba(255,255,255,0.95);
  letter-spacing: -0.02em;
}
.prob-row--highlight .prob-desc { color: rgba(255,255,255,0.45); }
.prob-row--highlight:hover { background: rgba(255,255,255,0.055); transform: none; }

/* ── MOBILE EXPAND ICON (hidden on desktop) ────── */
.prob-expand-icon {
  display: none;
  width: 20px; height: 20px; flex-shrink: 0;
  color: rgba(255,255,255,0.3);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), color 0.2s;
  margin-left: auto;
}
.prob-expand-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; }

/* ── PROB ROW DESC — collapsible on mobile ─────── */
.prob-desc-wrap {
  /* desktop: always visible as grid column */
  display: block;
  transition: opacity 0.3s ease;
}

/* ── CARD 04 — highlighted block ─────────────── */
.prob-row-highlight {
  display: block;
  padding: 28px 28px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  margin-top: 8px;
  cursor: default;
  opacity: 0; transform: translateY(24px);
  transition:
    opacity 0.75s cubic-bezier(0.16,1,0.3,1),
    transform 0.75s cubic-bezier(0.16,1,0.3,1),
    background 0.2s;
}
.prob-row-highlight.v { opacity: 1; transform: none; }
.prob-row-highlight:hover { background: rgba(255,255,255,0.065); }
.prob-highlight-inner { display: flex; align-items: flex-start; gap: 16px; }
.prob-highlight-n { font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.2); letter-spacing: 0.06em; flex-shrink: 0; padding-top: 3px; min-width: 28px; }
.prob-highlight-body { flex: 1; }
.prob-highlight-title {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 400; letter-spacing: -0.025em; line-height: 1.25;
  color: rgba(255,255,255,0.92);
  margin-bottom: 12px;
}
.prob-highlight-desc { font-size: 13px; font-weight: 400; line-height: 1.75; color: rgba(255,255,255,0.38); }
/* expand icon for highlight card on mobile */
.prob-highlight-expand {
  display: none;
  flex-shrink: 0; margin-left: auto; padding-top: 2px;
  color: rgba(255,255,255,0.25);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), color 0.2s;
}
.prob-highlight-expand svg { width: 18px; height: 18px; stroke: currentColor; fill: none; }

/* ── SECTION 3 — A AKINO ─────────────────────── */
#akino { text-align: center; }
#akino .sec-body { max-width: 560px; }
.sec-cta {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 36px;
  font-size: 14px; font-weight: 500; color: var(--black);
  background: transparent; border: 1px solid var(--black);
  border-radius: 12px; height: 48px; padding: 0 24px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.sec-cta:hover { background: var(--off); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.sec-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; }

/* ── STEPS STICKY STACK ─────────────────────── */
#offer { text-align: left; padding-bottom: 0; }
#offer .sec-label,
#offer .sec-h2,
#offer .sec-body { text-align: center; }

.steps-stack {
  margin-top: 80px;
  position: relative;
  padding-bottom: 40vh;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.step-card {
  position: sticky;
  top: 100px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 340px;
  transform-origin: top center;
  will-change: transform;
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.35s ease, box-shadow 0.35s ease;
}
.step-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.step-card:last-child { margin-bottom: 0; }

.step-card-left {
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: center;
}

.step-card-n {
  font-size: 11px;
  font-weight: 400;
  color: var(--black);
  opacity: 0.25;
  letter-spacing: 0.08em;
}

.step-card-title {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--black);
}

.step-card-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--black);
  opacity: 0.5;
  max-width: 340px;
}

.step-card-tag {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--black);
  opacity: 0.3;
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 5px 14px;
  width: fit-content;
}

/* área visual: padding para a zona cinza não encostar nas bordas do card */
.step-card-visual {
  padding: 20px 20px 20px 0;
}

.step-card-visual-inner {
  background: #0a0a0a;
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    inset 0 0 60px rgba(255,255,255,0.03),
    0 0 0 1px rgba(255,255,255,0.06);
  position: relative;
}

/* glow ambiente no canto superior */
.step-card-visual-inner::before {
  content: '';
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 80px;
  background: radial-gradient(ellipse, rgba(255,255,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* ── SYSTEMS MOCKUP ──────────────────────────── */
.sys-mockup-wrap {
  margin-top: 64px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.sys-mockup-img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06), 0 16px 48px rgba(0,0,0,0.1);
  display: block;
}

.sys-float-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06), 0 16px 40px rgba(0,0,0,0.08);
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  animation: floatCard 5s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

.sys-float-icon {
  width: 44px; height: 44px;
  background: var(--black);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sys-float-icon svg { width: 20px; height: 20px; stroke: #fff; fill: none; }
.sys-float-text { flex: 1; }
.sys-float-label { font-size: 13px; font-weight: 500; color: var(--black); letter-spacing: -0.01em; }

.sys-float-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--black);
  opacity: 0.4;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.sys-float-badge {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--black);
  background: var(--off);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 10px;
  white-space: nowrap;
}

/* ── SVG ANIMATIONS ─────────────────────────── */

/* fade-in na entrada */
@keyframes svgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* pulso suave infinito nos elementos destacados */
@keyframes svgPulse {
  0%, 100% { opacity: 0.9; }
  50%       { opacity: 0.45; }
}

/* linha que percorre */
@keyframes svgDash {
  from { stroke-dashoffset: 200; }
  to   { stroke-dashoffset: 0; }
}

/* float leve */
@keyframes svgFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-5px); }
}

/* glow pulsante em elementos chave */
@keyframes svgGlow {
  0%, 100% { filter: drop-shadow(0 0 3px rgba(255,255,255,0.2)); }
  50%       { filter: drop-shadow(0 0 8px rgba(255,255,255,0.55)); }
}

.step-card-visual-inner svg {
  animation: svgFadeIn 0.8s cubic-bezier(0.16,1,0.3,1) both;
  padding: 24px;
}

.step-card-visual-inner svg .glow-el {
  animation: svgGlow 3s ease-in-out infinite;
}

.step-card-visual-inner svg .pulse-el {
  animation: svgPulse 2.5s ease-in-out infinite;
}

.step-card-visual-inner svg .float-el {
  animation: svgFloat 4s ease-in-out infinite;
}

.step-card-visual-inner svg .dash-el {
  animation: svgDash 2s ease-out both;
}

/* ── WORK ───────────────────────────────────── */
/* ── WORK CARDS ─────────────────────────────── */
#work { text-align: center; }
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 400px));
  gap: 20px;
  margin-top: 56px;
  justify-content: center;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.work-card {
  cursor: pointer;
  text-decoration: none;
}
.work-card-img {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--off);
  position: relative;
}
.work-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16,1,0.3,1), filter 0.4s ease;
  filter: saturate(0.9);
}
.work-card:hover .work-card-img img {
  transform: scale(1.04);
  filter: saturate(1.05);
}
/* placeholder card (sem imagem) */
.work-card-placeholder {
  border-radius: 14px;
  aspect-ratio: 4/5;
  background: var(--off);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--border);
  transition: background 0.3s;
}
.work-card:hover .work-card-placeholder { background: #efefef; }
.work-card-placeholder-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.2);
}
.work-card-placeholder-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(0,0,0,0.1);
}
.work-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}
.work-card-client {
  font-size: 15px;
  font-weight: 400;
  color: var(--black);
  letter-spacing: -0.01em;
  display: block;
}
.work-card-type {
  font-size: 11px;
  font-weight: 400;
  color: var(--black);
  opacity: 0.38;
  margin-top: 3px;
  display: block;
}
.work-card-arrow {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background 0.25s, border-color 0.25s, transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.work-card:hover .work-card-arrow {
  background: var(--black);
  border-color: var(--black);
  transform: translate(2px, -2px);
}
.work-card-arrow svg {
  width: 12px; height: 12px;
  stroke: var(--black); fill: none;
  transition: stroke 0.25s;
}
.work-card:hover .work-card-arrow svg {
  stroke: white;
}

/* ── SYSTEMS ────────────────────────────────── */
.sys-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--black); border: 1px solid var(--border); padding: 6px 14px; border-radius: 6px; margin-bottom: 28px; }
.sys-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--black); }
.sys-visual { background: var(--black); border-radius: 8px; padding: 32px; max-width: 400px; margin: 48px auto 0; }
.sys-vis-head { font-size: 9px; font-weight: 400; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 24px; text-align: left; }
.sys-row { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.sys-row:last-child { border-bottom: none; }
.sys-rl { font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.45); width: 120px; flex-shrink: 0; text-align: left; }
.sys-bw { flex: 1; height: 1px; background: rgba(255,255,255,0.1); }
.sys-b  { height: 100%; background: rgba(255,255,255,0.5); }
.sys-rv { font-size: 11px; color: rgba(255,255,255,0.35); min-width: 28px; text-align: right; }

/* ── MANIFESTO ──────────────────────────────── */
#manifesto { padding: 140px 56px; border-bottom: 1px solid var(--border); text-align: center; }
.manifesto-q { font-size: clamp(22px, 3vw, 38px); font-weight: 400; line-height: 1.5; color: var(--black); max-width: 820px; margin: 0 auto; letter-spacing: -0.015em; }
.manifesto-attr { font-size: 10px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--black); opacity: 0.3; margin-top: 44px; }

/* ════════════════════════════════════════════════
   FOOTER — 4 CAMADAS
   ① Frase animada + CTA (dark, preto total)
   ② Marquee infinito de serviços
   ③ Grid de links + info
   ④ Wordmark gigante com outline scroll
   ════════════════════════════════════════════════ */

/* ① CTA dark */
.footer-cta {
  background: var(--black);
  padding: 120px 56px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* ruído de textura sutil */
.footer-cta::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 110%, rgba(255,255,255,0.035) 0%, transparent 60%);
  pointer-events: none;
}

/* linhas grid no footer CTA */
.footer-cta-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 1px 100%, 1px 100%;
  background-position: 10vw 0, 90vw 0;
  background-repeat: no-repeat;
}

.footer-cta-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 36px;
}
.footer-cta-eyebrow::before {
  content: '';
  display: inline-block; width: 20px; height: 1px;
  background: rgba(255,255,255,0.25);
}
.footer-cta-eyebrow::after {
  content: '';
  display: inline-block; width: 20px; height: 1px;
  background: rgba(255,255,255,0.25);
}

.footer-cta-headline {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 400; letter-spacing: -0.035em;
  line-height: 1.0; color: var(--white);
  max-width: 780px; margin: 0 auto 16px;
  position: relative; z-index: 1;
}

/* segunda linha em outline */
.footer-cta-headline .outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.35);
}

.footer-cta-sub {
  font-size: 15px; font-weight: 300;
  color: rgba(255,255,255,0.4);
  margin-bottom: 48px;
  position: relative; z-index: 1;
}

.footer-cta-btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500;
  color: var(--black); background: var(--white);
  padding: 16px 32px; border-radius: 12px;
  text-decoration: none; position: relative; z-index: 1;
  transition: opacity 0.2s, transform 0.2s;
}
.footer-cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }
.footer-cta-btn svg { width: 14px; height: 14px; stroke: var(--black); fill: none; flex-shrink: 0; }

/* ② Marquee de serviços */
.footer-marquee {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  overflow: hidden;
}

.footer-marquee-track {
  display: flex;
  animation: fmScroll 22s linear infinite;
  width: max-content;
}

/* direção oposta na segunda faixa */
.footer-marquee.reverse .footer-marquee-track {
  animation-direction: reverse;
  animation-duration: 28s;
}

.footer-marquee-item {
  display: inline-flex; align-items: center; gap: 16px;
  font-size: 11px; font-weight: 400; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.18); white-space: nowrap; padding: 0 32px;
}

/* diamante separador */
.footer-marquee-item::after {
  content: '◆';
  font-size: 5px;
  color: rgba(255,255,255,0.15);
  padding-left: 32px;
}

@keyframes fmScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ③ Footer info grid */
.footer-info {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 64px 56px 48px;
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.footer-brand-logo {
  font-size: 13px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--white);
  text-decoration: none; display: block; margin-bottom: 18px;
}

.footer-brand-desc {
  font-size: 13px; font-weight: 300;
  color: rgba(255,255,255,0.3);
  line-height: 1.8; max-width: 260px; margin-bottom: 28px;
}

/* indicador de status "online" */
.footer-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 10px; font-weight: 400; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
}
.footer-status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74,222,128,0.4);
  animation: statusPulse 2.5s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
  50%       { box-shadow: 0 0 0 5px rgba(74,222,128,0.4); }
}

.footer-col-title {
  font-size: 10px; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.22);
  margin-bottom: 22px;
}

.footer-col-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col-links a {
  font-size: 13px; font-weight: 300; color: rgba(255,255,255,0.45);
  text-decoration: none; transition: color 0.18s;
  display: inline-flex; align-items: center; gap: 6px;
}
.footer-col-links a:hover { color: var(--white); }
.footer-col-links a .link-arrow {
  opacity: 0; transform: translateX(-4px);
  transition: opacity 0.18s, transform 0.18s;
  font-size: 11px;
}
.footer-col-links a:hover .link-arrow { opacity: 0.5; transform: none; }

/* barra bottom */
.footer-bottom {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 18px 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p {
  font-size: 11px; font-weight: 300; color: rgba(255,255,255,0.18);
  letter-spacing: 0.04em;
}

/* ④ Wordmark gigante animado */
.footer-wordmark {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.05);
  overflow: hidden; line-height: 0.82;
}
.footer-wordmark-inner {
  display: flex; white-space: nowrap;
  animation: wmScroll 20s linear infinite;
  will-change: transform;
}
.footer-wordmark:hover .footer-wordmark-inner {
  animation-play-state: paused;
}
.footer-wordmark-text {
  font-size: clamp(96px, 15vw, 192px);
  font-weight: 500; letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.06);
  padding: 0 48px; flex-shrink: 0; user-select: none;
  /* no hover: outline mais visível */
  transition: -webkit-text-stroke 0.3s;
}
.footer-wordmark:hover .footer-wordmark-text {
  -webkit-text-stroke: 1px rgba(255,255,255,0.12);
}
@keyframes wmScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── INTRO DARK SECTION ─────────────────────── */
#intro .sec-label { color: rgba(255,255,255,0.4); opacity: 1; }
#intro .sec-h2 { color: var(--white); }
#intro .sec-body { color: rgba(255,255,255,0.6); }
#intro .sec-body strong { color: var(--white); }
#intro .prob-list { border-top-color: rgba(255,255,255,0.1); }
#intro .prob-row { border-bottom-color: rgba(255,255,255,0.08); }
#intro .grid-bg {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(to right, rgba(255,255,255,0.07) 1px, transparent 1px);
}

/* ── SCROLL REVEAL ──────────────────────────── */
.r {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1);
  will-change: opacity, transform;
}
.r.v { opacity: 1; transform: none; }
.r.d1 { transition-delay: 0.10s; }
.r.d2 { transition-delay: 0.20s; }
.r.d3 { transition-delay: 0.30s; }
.r.d4 { transition-delay: 0.40s; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ① Tablet      → max-width: 860px
   ② Mobile      → max-width: 580px
   ③ Mobile SM   → max-width: 400px
   ══════════════════════════════════════════════ */

/* ① TABLET ─────────────────────────────────── */
@media (max-width: 860px) {

  /* NAV */
  .nav-wrapper { top: 12px; padding: 0 16px; }
  nav { padding: 8px 8px 8px 20px; }
  .nav-links, .nav-divider { display: none; }
  .nav-menu-icon { display: flex; }

  /* HERO */
  #hero { padding: 100px 32px 0; }
  .hero-h1 { font-size: 38px; }
  .hero-sub { font-size: 16px; }
  .hero-hands { margin-left: -32px; margin-right: -32px; width: calc(100% + 64px); }
  .hero-hand { width: 36%; }
  /* PROOF STRIP */
  .proof-strip { padding: 22px 24px; }
  .proof-strip-label { display: none; }
  .proof-clients { gap: 24px; }

  /* SECTIONS */
  .sec { padding: 80px 32px; }
  #manifesto { padding: 100px 32px; }

  /* PROBLEMS */
  .prob-row { grid-template-columns: 40px 1fr auto; cursor: pointer; align-items: center; }
  .prob-desc-wrap {
    display: none;
    grid-column: 2 / 3;
    grid-row: 2;
    padding: 8px 0 4px;
    animation: fadeIn 0.3s ease both;
  }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
  .prob-row.expanded .prob-desc-wrap { display: block; }
  .prob-expand-icon { display: flex; align-items: center; }
  .prob-row.expanded .prob-expand-icon { transform: rotate(180deg); color: rgba(255,255,255,0.6); }
  .prob-highlight-expand { display: flex; align-items: flex-start; }
  .prob-row-highlight.expanded .prob-highlight-expand { transform: rotate(180deg); color: rgba(255,255,255,0.5); }
  .prob-row-highlight .prob-highlight-desc { display: none; }
  .prob-row-highlight.expanded .prob-highlight-desc { display: block; animation: fadeIn 0.3s ease both; }
  .prob-row-highlight { cursor: pointer; }

  /* STEPS STICKY STACK */
  .step-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .step-card-visual { padding: 0 20px 20px; }
  .step-card-visual-inner { min-height: 200px; }
  .step-card-left { padding: 36px 32px 24px; }
  .steps-stack { padding-bottom: 20vh; }

  /* WORK */
  .work-grid { grid-template-columns: repeat(2, minmax(0, 400px)); gap: 14px; justify-content: center; }

  /* SYSTEMS */
  .sys-mockup-wrap { margin-top: 40px; }
  .sys-float-card { flex-wrap: wrap; gap: 10px; }

  /* FOOTER */
  .footer-cta { padding: 80px 32px 72px; }
  .footer-cta-headline { font-size: clamp(32px, 6vw, 60px); }
  .footer-info { grid-template-columns: 1fr 1fr; gap: 36px; padding: 48px 32px 40px; }
  .footer-bottom { padding: 16px 32px; flex-direction: column; gap: 6px; text-align: center; }
}

/* ② MOBILE ──────────────────────────────────── */
@media (max-width: 580px) {

  /* NAV */
  .nav-wrapper { top: 10px; padding: 0 12px; }
  .nav-pill span { display: none; }

  /* HERO */
  #hero { padding: 80px 20px 0; text-align: center; }

  /* Hands: full-width flex row below buttons */
  .hero-hands {
    margin-left: -20px;
    margin-right: -20px;
    width: calc(100% + 40px);
    margin-top: 32px;
  }
  .hero-hand { width: 50%; }
  .hero-hand-left { width: 50%; }
  .hero-badge { margin-bottom: 24px; }
  .hero-h1 { font-size: clamp(30px, 8vw, 40px); }
  .hero-sub { font-size: 15px; margin-left: 0; }
  .hero-actions { flex-direction: column; align-items: center; gap: 10px; }
  .btn-primary { min-width: 0; width: 100%; justify-content: flex-start; }
  .btn-secondary { width: 100%; justify-content: center; }

  /* PROOF STRIP */
  .proof-clients { gap: 16px; }
  .proof-client-item { font-size: 11px; }

  /* SECTIONS */
  .sec { padding: 64px 20px; }
  .sec-h2 { font-size: clamp(26px, 7vw, 36px); }
  .sec-body { font-size: 15px; }
  #manifesto { padding: 80px 20px; }
  .manifesto-q { font-size: clamp(18px, 5vw, 26px); }

  /* PROBLEMS */
  .prob-list { margin-top: 40px; }
  .prob-row { grid-template-columns: 32px 1fr auto; padding: 20px 0; }
  .prob-title { font-size: 14px; }

  /* STEPS STACK */
  .step-card { border-radius: 14px; }
  .step-card-left { padding: 28px 20px 20px; }
  .step-card-title { font-size: clamp(20px, 5vw, 26px); }
  .step-card-text { font-size: 13px; }
  .step-card-visual-inner { min-height: 160px; }
  .steps-stack { padding-bottom: 10vh; }
  .steps-stack .step-card[style*="top:116px"] { top: 110px !important; }
  .steps-stack .step-card[style*="top:132px"] { top: 120px !important; }
  .steps-stack .step-card[style*="top:148px"] { top: 130px !important; }
  .steps-stack .step-card[style*="top:164px"] { top: 140px !important; }

  /* WORK */
  .work-grid { grid-template-columns: 1fr; gap: 14px; }
  .work-card:hover img { transform: none; filter: brightness(0.75) saturate(0.85); }
  .work-card-arrow { opacity: 1; transform: none; }
  .work-card-placeholder { aspect-ratio: 4/5; }

  /* SYSTEMS */
  .sys-float-card { padding: 12px 16px; gap: 10px; }
  .sys-float-label { font-size: 12px; }
  .sys-float-sub { font-size: 10px; }

  /* FOOTER */
  .footer-cta { padding: 64px 20px 56px; }
  .footer-cta-headline { font-size: clamp(28px, 8vw, 48px); }
  .footer-info {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 20px 32px;
  }
  .footer-brand-desc { max-width: 100%; }
  .footer-bottom { padding: 16px 20px; }
  .footer-marquee-item { font-size: 10px; padding: 0 20px; }
}

/* ③ MOBILE SM ───────────────────────────────── */
@media (max-width: 400px) {

  .hero-h1 { font-size: 28px; }
  .sec { padding: 56px 16px; }
  .sec-h2 { font-size: 24px; }
  #manifesto { padding: 64px 16px; }

  .step-card-left { padding: 24px 16px 16px; }
  .step-card-visual-inner { min-height: 130px; }

  .footer-cta { padding: 56px 16px 48px; }
  .footer-info { padding: 36px 16px 28px; }
  .footer-bottom { padding: 14px 16px; }
}
/* ── MOBILE MENU DRAWER ─────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
}

/* backdrop */
.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* drawer — expande do topo (de onde fica o nav) */
.mobile-menu-drawer {
  position: absolute;
  top: 16px; left: 50%; right: auto;
  width: min(480px, calc(100vw - 32px));
  transform: translateX(-50%) scaleY(0);
  transform-origin: top center;
  background: var(--black);
  display: flex;
  flex-direction: column;
  padding: 28px 28px 36px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  overflow: hidden;
  transition: transform 0.45s cubic-bezier(0.16,1,0.3,1);
}

/* open state */
.mobile-menu.open {
  pointer-events: all;
}
.mobile-menu.open .mobile-menu-backdrop {
  opacity: 1;
}
.mobile-menu.open .mobile-menu-drawer {
  transform: translateX(-50%) scaleY(1);
}

/* drawer header */
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.3s 0.18s ease, transform 0.3s 0.18s cubic-bezier(0.16,1,0.3,1);
}
.mobile-menu.open .mobile-menu-header {
  opacity: 1;
  transform: none;
}
.mobile-menu-logo {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
.mobile-menu-close {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  background: none;
  transition: background 0.2s;
  color: rgba(255,255,255,0.7);
  flex-shrink: 0;
}
.mobile-menu-close:hover { background: rgba(255,255,255,0.08); }
.mobile-menu-close svg { width: 15px; height: 15px; stroke: currentColor; fill: none; }

/* drawer links — fade individual por item */
.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.mobile-menu-links li {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.mobile-menu.open .mobile-menu-links li:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.26s; }
.mobile-menu.open .mobile-menu-links li:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.32s; }
.mobile-menu.open .mobile-menu-links li:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.38s; }
.mobile-menu.open .mobile-menu-links li:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.44s; }
.mobile-menu.open .mobile-menu-links li:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.50s; }
.mobile-menu.open .mobile-menu-links li:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.56s; }

.mobile-menu-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 0.2s;
}
.mobile-menu-links a:hover { color: var(--white); }
.mobile-menu-links a span {
  font-size: 11px;
  opacity: 0.3;
  letter-spacing: 0.04em;
}

/* CTA bottom */
.mobile-menu-cta {
  margin-top: 32px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s 0.50s ease, transform 0.3s 0.50s cubic-bezier(0.16,1,0.3,1);
}
.mobile-menu.open .mobile-menu-cta {
  opacity: 1;
  transform: none;
}
.mobile-menu-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--white);
  color: var(--black);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 12px;
  height: 52px;
  transition: opacity 0.2s;
}
.mobile-menu-cta a:hover { opacity: 0.88; }
.mobile-menu-cta a svg { width: 14px; height: 14px; stroke: var(--black); fill: none; }

/* icon animated hamburger → X */
.nav-menu-icon svg.icon-menu { display: block; }
.nav-menu-icon svg.icon-close { display: none; }
.nav-menu-icon.active svg.icon-menu { display: none; }
.nav-menu-icon.active svg.icon-close { display: block; }

/* ── TELAS GRANDES (>1440px) ────────────────────
   Aumenta apenas o padding das seções.
   Fundos, bordas e grid-bg continuam full-width.
   ─────────────────────────────────────────────── */
@media (min-width: 1441px) {
  #hero,
  .sec,
  #manifesto {
    padding-left:  calc((100vw - 1440px) / 2 + 56px);
    padding-right: calc((100vw - 1440px) / 2 + 56px);
  }
  .footer-cta,
  .footer-info,
  .footer-bottom {
    padding-left:  calc((100vw - 1440px) / 2 + 56px);
    padding-right: calc((100vw - 1440px) / 2 + 56px);
  }
}

/* ── FAQ ────────────────────────────────────── */
#faq {
  background: #0a0a0a;
  padding: 100px 56px;
  text-align: left;
  border-bottom: none;
}
.faq-wrap {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 120px;
}
.faq-left .sec-label {
  color: rgba(255,255,255,0.35);
  opacity: 1;
  margin-bottom: 20px;
}
.faq-left-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}
.faq-left-sub {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255,255,255,0.38);
  max-width: 300px;
  margin-bottom: 36px;
}
.faq-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  padding: 12px 22px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.faq-cta:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.35);
}
.faq-cta svg { width: 14px; height: 14px; stroke: var(--white); fill: none; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: background 0.2s, border-color 0.2s;
}
.faq-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.13);
}
.faq-item.open {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.13);
}
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 18px 20px;
  font-family: var(--f); font-size: 14px; font-weight: 400;
  color: var(--white); text-align: left;
  transition: opacity 0.18s;
}
.faq-icon {
  width: 16px; height: 16px; flex-shrink: 0;
  stroke: rgba(255,255,255,0.4);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), stroke 0.2s;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
  stroke: rgba(255,255,255,0.7);
}
.faq-a {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.16,1,0.3,1);
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > p {
  overflow: hidden;
  font-size: 13px; font-weight: 400; line-height: 1.8;
  color: rgba(255,255,255,0.45);
  padding: 0 20px;
  transition: padding-bottom 0.38s cubic-bezier(0.16,1,0.3,1);
}
.faq-item.open .faq-a > p { padding-bottom: 20px; }

@media (max-width: 860px) {
  #faq { padding: 80px 32px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 48px; }
  .faq-left { position: static; }
  .faq-left-sub { max-width: 100%; }
}
@media (max-width: 580px) {
  #faq { padding: 64px 20px; }
  .faq-wrap { gap: 36px; }
}

/* ── DELIVERY SECTION (O que construímos juntos) ── */
#delivery {
  padding: 120px 56px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.delivery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1080px;
  margin: 72px auto 0;
  border-top: 1px solid var(--border);
}
.delivery-block {
  padding: 48px 36px;
  border-right: 1px solid var(--border);
  text-align: left;
  transition: background 0.2s;
}
.delivery-block:last-child { border-right: none; }
.delivery-block:hover { background: var(--off); }
.delivery-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
}
.delivery-icon svg { width: 18px; height: 18px; stroke: var(--black); fill: none; }
.delivery-title {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--black);
  margin-bottom: 14px;
}
.delivery-desc {
  font-size: 13px; font-weight: 400; line-height: 1.75;
  color: var(--black); opacity: 0.45;
}

@media (max-width: 860px) {
  #delivery { padding: 80px 32px; }
  .delivery-grid { grid-template-columns: repeat(2, 1fr); }
  .delivery-block { border-right: none; border-bottom: 1px solid var(--border); }
  .delivery-block:nth-child(odd) { border-right: 1px solid var(--border); }
  .delivery-block:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 580px) {
  #delivery { padding: 64px 20px; }
  .delivery-grid { grid-template-columns: 1fr; }
  .delivery-block { border-right: none; border-bottom: 1px solid var(--border); padding: 36px 24px; }
  .delivery-block:nth-child(odd) { border-right: none; }
  .delivery-block:last-child { border-bottom: none; }
}

/* ── FORM SECTION ────────────────────────────── */
#form-section {
  padding: 120px 56px;
  border-bottom: 1px solid var(--border);
  background: #0a0a0a;
}
.form-wrap {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
  align-items: center;
}
.form-left-label {
  font-size: 10px; font-weight: 500; letter-spacing: 0.26em;
  text-transform: uppercase; color: rgba(255,255,255,0.35);
  margin-bottom: 24px; display: block;
}
.form-left-title {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 400; letter-spacing: -0.03em; line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}
.form-left-sub {
  font-size: 15px; font-weight: 400; line-height: 1.75;
  color: rgba(255,255,255,0.38);
  max-width: 340px;
}
.form-left-note {
  display: flex; align-items: center; gap: 10px;
  margin-top: 36px;
  font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.25);
  letter-spacing: 0.02em;
}
.form-left-note::before {
  content: '';
  display: block; width: 20px; height: 1px;
  background: rgba(255,255,255,0.2); flex-shrink: 0;
}

/* form right */
.form-right {
  display: flex; flex-direction: column; gap: 14px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-label {
  font-size: 10px; font-weight: 500; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.form-input,
.form-select,
.form-textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--white);
  font-family: var(--f); font-size: 14px; font-weight: 400;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.07);
}
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(255,255,255,0.18); }
.form-select-wrap { position: relative; }
.form-select-wrap::after {
  content: '';
  position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(255,255,255,0.3);
  pointer-events: none;
}
.form-select option { background: #1a1a1a; color: var(--white); }
.form-textarea { resize: none; min-height: 100px; }

.form-btn {
  position: relative; display: inline-flex; align-items: center;
  font-size: 14px; font-weight: 500; color: var(--black); background: var(--white);
  border: none; border-radius: 12px; height: 52px;
  padding: 0 28px 0 8px; cursor: pointer; overflow: hidden; width: 100%;
  margin-top: 6px;
}
.form-btn .btn-label  { position: relative; z-index: 1; padding-left: 54px; white-space: nowrap; }
.form-btn .btn-slider {
  position: absolute; left: 5px; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 8px; background: var(--black); z-index: 2;
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}
.form-btn:hover .btn-slider { width: calc(100% - 10px); }
.form-btn .btn-icon {
  position: absolute; left: 5px; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  z-index: 3; pointer-events: none; transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}
.form-btn:hover .btn-icon { width: calc(100% - 10px); }
.form-btn .btn-icon svg { width: 16px; height: 16px; stroke: var(--white); fill: none; }
.form-btn:hover .btn-label { color: var(--white); }
@keyframes formFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes formSlideRight {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.form-anim-left {
  opacity: 0;
}
.form-anim-left.form-animated {
  animation: formSlideRight 0.7s cubic-bezier(0.16,1,0.3,1) both;
}
.form-anim-field {
  opacity: 0;
}
.form-anim-field.form-animated {
  animation: formFadeUp 0.55s cubic-bezier(0.16,1,0.3,1) both;
}
.form-section-heading {
  font-size: 10px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.28);
  margin: 16px 0 10px; display: block;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.form-section-heading:first-child { margin-top: 0; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 580px) { .form-grid-2 { grid-template-columns: 1fr; } }
.form-privacy {
  font-size: 11px; color: rgba(255,255,255,0.2);
  text-align: center; margin-top: 4px;
  line-height: 1.6;
}

@media (max-width: 860px) {
  #form-section { padding: 80px 32px; }
  .form-wrap { grid-template-columns: 1fr; gap: 56px; }
  .form-left-sub { max-width: 100%; }
}
@media (max-width: 580px) {
  #form-section { padding: 64px 20px; }
  .form-wrap { gap: 44px; }
}

/* ══════════════════════════════════════════════
   CASE PAGE — router de cases
   ══════════════════════════════════════════════ */

/* Esconde todo o site quando a página de case está ativa */
body.case-active > *:not(#case-page) { display: none !important; }

#case-page {
  display: none;
  min-height: 100vh;
  background: var(--white);
  font-family: var(--f);
  color: var(--black);
}
body.case-active #case-page { display: block; }

/* Nav fixa do case */
.case-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.case-nav-back {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 400; color: var(--black);
  text-decoration: none; opacity: 0.55;
  transition: opacity 0.2s;
}
.case-nav-back:hover { opacity: 1; }
.case-nav-back svg { width: 14px; height: 14px; stroke: currentColor; fill: none; flex-shrink: 0; }
.case-nav-logo {
  font-size: 13px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--black); text-decoration: none;
}

/* Container interno */
.case-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 128px 56px 120px;
}

/* Header do case */
.case-eyebrow {
  font-size: 10px; font-weight: 500; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--black); opacity: 0.32;
  margin-bottom: 20px;
}
.case-title {
  font-size: clamp(40px, 5.5vw, 68px); font-weight: 400;
  letter-spacing: -0.035em; line-height: 1.05; color: var(--black);
  margin-bottom: 8px;
}
.case-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--black); opacity: 0.35;
  border: 1px solid var(--border); border-radius: 99px;
  padding: 5px 14px; margin-top: 20px;
}

/* Divisor */
.case-divider { width: 100%; height: 1px; background: var(--border); margin: 56px 0; }

/* Seção label */
.case-section-label {
  font-size: 10px; font-weight: 500; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--black); opacity: 0.28;
  margin-bottom: 18px; display: block;
}

/* Texto corrido */
.case-text {
  font-size: 17px; font-weight: 400; line-height: 1.8;
  color: var(--black); opacity: 0.68; max-width: 680px;
}

/* Lista de entregas */
.case-list {
  list-style: none;
  display: flex; flex-direction: column;
}
.case-list li {
  font-size: 16px; font-weight: 400; line-height: 1.65;
  color: var(--black); opacity: 0.7;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.case-list li:first-child { border-top: 1px solid var(--border); }

/* Métricas de resultado */
.case-metrics {
  display: flex; gap: 56px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.case-metric-n {
  font-size: clamp(52px, 6vw, 76px); font-weight: 400;
  letter-spacing: -0.05em; line-height: 1; color: var(--black);
}
.case-metric-desc {
  font-size: 13px; font-weight: 400; color: var(--black); opacity: 0.42;
  margin-top: 10px; line-height: 1.5; max-width: 200px;
}

/* CTA final */
.case-cta-block {
  margin-top: 80px; padding-top: 56px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 28px;
}
.case-cta-text {
  font-size: clamp(18px, 2.2vw, 24px); font-weight: 400;
  letter-spacing: -0.015em; color: var(--black);
}
.case-cta-btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500;
  color: var(--white); background: var(--black);
  padding: 14px 28px; border-radius: 12px;
  text-decoration: none; white-space: nowrap;
  transition: opacity 0.2s, transform 0.2s;
}
.case-cta-btn:hover { opacity: 0.82; transform: translateY(-1px); }
.case-cta-btn svg { width: 14px; height: 14px; stroke: var(--white); fill: none; }

/* Responsive */
@media (max-width: 860px) {
  .case-nav  { padding: 14px 32px; }
  .case-inner { padding: 104px 32px 80px; }
}
@media (max-width: 580px) {
  .case-nav   { padding: 12px 20px; }
  .case-inner { padding: 88px 20px 64px; }
  .case-metrics { gap: 32px; }
  .case-cta-block { flex-direction: column; align-items: flex-start; }
  .case-cta-btn { width: 100%; justify-content: center; }
}