/* ============================================================
   ADBX — CLEANING COMPANIES LANDING PAGE
   Sistema visual próprio, inspirado na mecânica do design system Zarp:
   navbar-pill flutuante, alternância clara/escura por seção, bento grid,
   reveal-on-scroll, cards com hover translateY. Paleta e componentes
   redesenhados para o setor de operação/estrutura comercial.
   ============================================================ */

/* TOKENS ----------------------------------------------------- */
:root {
  --primary: #047857;
  --primary-light: rgba(4, 120, 87, 0.12);
  --primary-xlight: rgba(4, 120, 87, 0.06);
  --accent-glow: #34d399;

  --black: #0a0a0a;
  --white: #ffffff;
  --cream: #faf8f4;
  --warm-white: #fdfcf9;
  --dark-bg: #06120d;
  --dark-card: #0e2019;

  --text-secondary: rgba(10, 10, 10, 0.65);
  --text-secondary-white: rgba(255, 255, 255, 0.68);
  --border: rgba(10, 10, 10, 0.1);
  --border-white: rgba(255, 255, 255, 0.12);

  --radius-pill: 100px;
  --radius-card-lg: 28px;
  --radius-card: 20px;

  --font-display: 'Sora', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --max-w: 1200px;
  --section-px: 40px;
  --section-py: 96px;
}

/* RESET -------------------------------------------------------*/
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; }
p { text-wrap: pretty; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
svg { width: 100%; height: 100%; }

.container { max-width: var(--max-w); margin-inline: auto; padding-inline: var(--section-px); }

/* SHARED COMPONENTS -------------------------------------------*/
.tagline-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--primary-light);
  background: rgba(4, 120, 87, 0.04);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: 20px;
}
.tagline-pill svg { width: 16px; height: 16px; flex-shrink: 0; }
.tagline-pill--white {
  color: var(--white);
  border-color: var(--border-white);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 17px 28px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(4, 120, 87, 0.28);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(4, 120, 87, 0.36); }
.btn--sm { padding: 11px 20px; font-size: 14px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px var(--section-px);
  transition: background 0.2s;
}
.site-header.is-fixed {
  position: fixed;
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 12px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-white);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-pill);
  max-width: var(--max-w);
  margin-inline: auto;
}

.navbar__logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.navbar__logo-img {
  display: block;
  height: 26px;
  width: auto;
}

.navbar__nav { display: flex; align-items: center; }
.navbar__nav-item {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary-white);
  transition: color 0.2s;
  white-space: nowrap;
}
.navbar__nav-item:hover { color: var(--white); }

.navbar__actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  background: var(--dark-bg);
  display: flex;
  align-items: flex-end;
}

.hero__bg { position: absolute; inset: 0; overflow: hidden; }
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.hero__glow--1 { width: 620px; height: 620px; background: var(--primary); top: -220px; right: -120px; }
.hero__glow--2 { width: 460px; height: 460px; background: var(--accent-glow); bottom: -200px; left: -100px; opacity: 0.18; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin-inline: auto;
  width: 100%;
  padding: 220px 40px 88px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 56px;
}

.hero__left { flex: 1 1 auto; max-width: 640px; }
.hero__title {
  font-size: 62px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--white);
  letter-spacing: -1.5px;
}

.hero__right {
  flex: 0 0 380px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hero__description {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-secondary-white);
}
.hero__stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--border-white);
  border-bottom: 1px solid var(--border-white);
}
.hero__stats li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
}
.hero__stats li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-glow);
}
.hero__cta { display: flex; gap: 12px; }
.hero__note { font-size: 13px; color: var(--text-secondary-white); }

/* ============================================================
   PROBLEMA
   ============================================================ */
.problem { background: var(--white); padding: var(--section-py) 0; }
.problem__intro { max-width: 640px; margin-bottom: 56px; }
.problem__title { font-size: 44px; font-weight: 600; letter-spacing: -1.2px; line-height: 1.1; color: var(--black); }

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
.problem__col p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.problem__lead { color: var(--black) !important; font-weight: 600; }

.pain-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.pain-list li {
  position: relative;
  padding: 14px 18px 14px 40px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
  color: var(--black);
  font-weight: 500;
}
.pain-list li::before {
  content: '×';
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 700;
  color: rgba(10,10,10,0.35);
}

.problem__closing {
  border-top: 1px solid var(--border);
  padding-top: 40px;
  text-align: center;
}
.problem__closing p:first-child { font-size: 17px; color: var(--text-secondary); margin-bottom: 16px; }
.problem__callout {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--primary);
}

/* ============================================================
   PILLARS (bento) — dark section
   ============================================================ */
.pillars { position: relative; background: var(--dark-bg); padding: var(--section-py) 0; overflow: hidden; }
.pillars__bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 85% 0%, rgba(4,120,87,0.25), transparent 60%);
  pointer-events: none;
}
.pillars__inner { position: relative; z-index: 1; }
.pillars__header { max-width: 620px; margin-bottom: 56px; }
.pillars__title { font-size: 44px; font-weight: 600; letter-spacing: -1.2px; line-height: 1.1; color: var(--white); margin-bottom: 16px; }
.pillars__desc { font-size: 17px; line-height: 1.6; color: var(--text-secondary-white); }

.pillars__grid { display: flex; flex-direction: column; gap: 16px; }

.pillar-card {
  position: relative;
  background: var(--dark-card);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), border-color 0.35s;
}
.pillar-card:hover { transform: translateY(-4px); border-color: rgba(4,120,87,0.4); }

.pillar-card__icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  border: 1px solid rgba(4,120,87,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-glow);
  padding: 12px;
  margin-bottom: 20px;
}
.pillar-card__num {
  position: absolute;
  top: 32px; right: 32px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary-white);
  letter-spacing: 0.05em;
}
.pillar-card__title { font-size: 24px; font-weight: 600; color: var(--white); margin-bottom: 10px; letter-spacing: -0.3px; }
.pillar-card__desc { font-size: 15px; line-height: 1.55; color: var(--text-secondary-white); max-width: 520px; }

/* two-up rows: square+square, then wide, then wide */
.pillars__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pillar-card--wide { grid-column: 1 / -1; }

.pipeline {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-white);
}
.pipeline__step {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-white);
  background: rgba(255,255,255,0.04);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary-white);
  white-space: nowrap;
}
.pipeline__step--done { color: var(--white); background: var(--primary); border-color: var(--primary); }
.pipeline__arrow { color: var(--text-secondary-white); font-size: 13px; }

/* ============================================================
   STACK — o que implementamos
   ============================================================ */
.stack { background: var(--cream); padding: var(--section-py) 0; }
.stack__header { max-width: 620px; margin-bottom: 56px; }
.stack__title { font-size: 40px; font-weight: 600; letter-spacing: -1px; line-height: 1.15; color: var(--black); margin-bottom: 10px; }
.stack__subtitle { font-size: 17px; color: var(--text-secondary); }

.stack__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.stack-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s;
}
.stack-item:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.06); }
.stack-item--highlight { background: var(--black); border-color: var(--black); }
.stack-item--highlight h3, .stack-item--highlight p { color: var(--white); }
.stack-item--highlight .stack-item__icon { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); color: var(--accent-glow); }

.stack-item__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  border: 1px solid rgba(4,120,87,0.25);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  padding: 11px;
  margin-bottom: 18px;
}
.stack-item h3 { font-size: 18px; font-weight: 600; color: var(--black); margin-bottom: 8px; letter-spacing: -0.2px; }
.stack-item p { font-size: 14px; line-height: 1.5; color: var(--text-secondary); }

/* ============================================================
   SINGLE SCREEN (dark, mockup)
   ============================================================ */
.single-screen { position: relative; background: var(--dark-bg); padding: var(--section-py) 0; overflow: hidden; }
.single-screen__bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 45% at 10% 100%, rgba(4,120,87,0.22), transparent 60%);
  pointer-events: none;
}
.single-screen__inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.single-screen__title { font-size: 40px; font-weight: 600; letter-spacing: -1px; line-height: 1.15; color: var(--white); margin-bottom: 14px; }
.single-screen__desc { font-size: 17px; color: var(--text-secondary-white); margin-bottom: 20px; }

.check-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 3px;
  width: 16px; height: 16px;
  border-radius: 5px;
  background: var(--primary-light);
  border: 1px solid var(--primary);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 4.5px; top: 6.5px;
  width: 7px; height: 4px;
  border-left: 2px solid var(--accent-glow);
  border-bottom: 2px solid var(--accent-glow);
  transform: rotate(-45deg);
}

.single-screen__notes { display: flex; flex-direction: column; gap: 6px; }
.single-screen__notes span { font-size: 13px; color: var(--text-secondary-white); }

/* Mockup (fake product screenshot, pure CSS) */
.mockup {
  background: var(--dark-card);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0,0,0,0.4);
}
.mockup__topbar {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-white);
}
.mockup__dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.mockup__title { margin-left: 10px; font-size: 12px; font-weight: 600; color: var(--text-secondary-white); letter-spacing: 0.02em; }

.mockup__board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 18px;
}
.mockup__col-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary-white);
  margin-bottom: 10px;
}
.mockup__card {
  display: flex; align-items: center; gap: 8px;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-white);
  font-size: 12px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 8px;
}
.mockup__card--done { background: rgba(4,120,87,0.18); border-color: rgba(4,120,87,0.4); }
.mockup__avatar {
  width: 18px; height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-glow), var(--primary));
}

/* ============================================================
   LIUN
   ============================================================ */
.liun { background: var(--white); padding: var(--section-py) 0; }
.liun__header { max-width: 640px; margin-bottom: 56px; }
.liun__header .tagline-pill { color: var(--primary); border-color: var(--primary-light); background: var(--primary-xlight); }
.liun__title { font-size: 44px; font-weight: 600; letter-spacing: -1.2px; line-height: 1.1; color: var(--black); margin-bottom: 16px; }
.liun__desc { font-size: 17px; line-height: 1.6; color: var(--text-secondary); }

.liun__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }

.liun-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s;
}
.liun-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.06); }
.liun-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  border: 1px solid rgba(4,120,87,0.25);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  padding: 11px;
  margin-bottom: 18px;
}
.liun-card h3 { font-size: 16px; font-weight: 600; color: var(--black); margin-bottom: 6px; letter-spacing: -0.2px; }
.liun-card p { font-size: 13px; line-height: 1.5; color: var(--text-secondary); }

/* ============================================================
   FIT (para quem / não para quem)
   ============================================================ */
.fit { background: var(--cream); padding: var(--section-py) 0; }
.fit__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 40px; }

.fit-card { border-radius: var(--radius-card-lg); padding: 40px; }
.fit-card--yes { background: var(--white); border: 1px solid rgba(4,120,87,0.25); }
.fit-card--no { background: var(--black); }

.fit-card__eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}
.fit-card--yes .fit-card__eyebrow { color: var(--primary); }
.fit-card--no .fit-card__eyebrow { color: var(--white); }

.fit-card__intro { font-size: 15px; margin-bottom: 20px; }
.fit-card--yes .fit-card__intro { color: var(--text-secondary); }
.fit-card--no .fit-card__intro { color: var(--text-secondary-white); }

.fit-list { display: flex; flex-direction: column; gap: 12px; }
.fit-list li { position: relative; padding-left: 28px; font-size: 15px; font-weight: 500; line-height: 1.4; }

.fit-list--yes li { color: var(--black); }
.fit-list--yes li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--primary); font-weight: 700; font-size: 15px;
}
.fit-list--no li { color: var(--text-secondary-white); }
.fit-list--no li::before {
  content: '×';
  position: absolute; left: 2px; top: -1px;
  color: rgba(255,255,255,0.4); font-weight: 700; font-size: 16px;
}

.fit__quote {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--black);
  line-height: 1.4;
}

/* ============================================================
   STEPS — como funciona
   ============================================================ */
.steps { background: var(--white); padding: var(--section-py) 0; }
.steps__header { text-align: center; max-width: 620px; margin-inline: auto; margin-bottom: 56px; }
.steps__header .tagline-pill { margin-inline: auto; }
.steps__title { font-size: 40px; font-weight: 600; letter-spacing: -1px; line-height: 1.15; color: var(--black); }

.steps__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.step-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.step-card:hover { transform: translateY(-4px); }
.step-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 20px; font-weight: 600; color: var(--black); margin-bottom: 10px; letter-spacing: -0.2px; }
.step-card__lead { font-size: 14px; font-weight: 600; color: var(--black); margin-bottom: 8px; }
.step-card__desc { font-size: 14px; line-height: 1.5; color: var(--text-secondary); }

/* ============================================================
   METRICS — pare de medir por cliques
   ============================================================ */
.metrics { position: relative; background: var(--dark-bg); padding: var(--section-py) 0; overflow: hidden; }
.metrics__bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 55% at 50% 0%, rgba(4,120,87,0.25), transparent 65%);
  pointer-events: none;
}
.metrics__inner { position: relative; z-index: 1; text-align: center; max-width: 780px; margin-inline: auto; }
.metrics__title { font-size: 44px; font-weight: 600; letter-spacing: -1.2px; line-height: 1.1; color: var(--white); margin-bottom: 20px; }
.metrics__negations { font-size: 18px; color: var(--text-secondary-white); margin-bottom: 40px; line-height: 1.6; }
.metrics__lead { font-size: 16px; font-weight: 600; color: var(--white); margin-bottom: 20px; }

.metrics__questions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 32px; }
.metrics__q {
  padding: 16px 22px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-white);
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
}

.metrics__closing { font-family: var(--font-display); font-size: 20px; font-weight: 600; color: var(--accent-glow); }

/* ============================================================
   CTA ANALYSIS
   ============================================================ */
.cta-analysis { background: var(--white); padding: var(--section-py) 0; }
.cta-analysis__card {
  background: var(--black);
  border-radius: var(--radius-card-lg);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.cta-analysis__content .tagline-pill { color: var(--primary); border-color: rgba(4,120,87,0.3); background: rgba(4,120,87,0.1); }
.cta-analysis__title { font-size: 40px; font-weight: 600; letter-spacing: -1px; color: var(--white); margin-bottom: 16px; }
.cta-analysis__desc { font-size: 16px; line-height: 1.6; color: var(--text-secondary-white); margin-bottom: 10px; }

.cta-analysis__list { display: flex; flex-direction: column; gap: 10px; align-self: start; }
.cta-analysis__item {
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-white);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
}

.cta-analysis__footer { grid-column: 1 / -1; border-top: 1px solid var(--border-white); padding-top: 40px; text-align: center; }
.cta-analysis__footer h3 { font-size: 24px; font-weight: 600; color: var(--white); max-width: 560px; margin-inline: auto 24px; margin-bottom: 24px; letter-spacing: -0.3px; }
.cta-analysis__note { margin-top: 12px; font-size: 13px; color: var(--text-secondary-white); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--cream); padding: var(--section-py) 0; }
.faq__inner {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card-lg);
  padding: 72px 56px;
}
.faq__header { text-align: center; max-width: 480px; margin-inline: auto; margin-bottom: 48px; }
.faq__title { font-size: 40px; font-weight: 600; letter-spacing: -1px; color: var(--black); margin-bottom: 10px; }
.faq__subtitle { font-size: 16px; color: var(--text-secondary); }

.faq__box { display: flex; flex-direction: column; gap: 14px; max-width: 780px; margin-inline: auto; }
.faq__item { }

.faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  border-radius: 16px;
  background: var(--primary-xlight);
  border: 1px solid var(--primary-light);
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  transition: background 0.2s;
}
.faq__question::before {
  content: '+';
  flex-shrink: 0;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  transition: transform 0.25s;
}
.faq__question.active::before { content: '−'; }
.faq__question:hover { background: rgba(4,120,87,0.1); }

.faq__answer-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease, margin-top 0.3s ease;
}
.faq__answer-wrap.is-open { max-height: 260px; margin-top: 10px; }
.faq__answer {
  padding: 16px 22px;
  border-radius: 16px;
  background: rgba(10,10,10,0.02);
  border: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ============================================================
   FINAL CTA + FOOTER
   ============================================================ */
.final-cta { background: var(--white); padding: 0 0 40px; }
.final-cta__card {
  position: relative;
  background: var(--dark-bg);
  border-radius: var(--radius-card-lg);
  overflow: hidden;
  padding: 96px 48px 0;
}
.final-cta__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 20% 10%, rgba(4,120,87,0.35), transparent 60%),
    radial-gradient(ellipse 45% 50% at 85% 90%, rgba(52,211,153,0.15), transparent 60%);
  pointer-events: none;
}

.final-cta__content { position: relative; z-index: 1; text-align: center; max-width: 640px; margin-inline: auto; padding-bottom: 64px; }
.final-cta__eyebrow { font-size: 16px; font-weight: 600; color: var(--accent-glow); margin-bottom: 8px; }
.final-cta__title { font-size: 48px; font-weight: 600; letter-spacing: -1.2px; line-height: 1.15; color: var(--white); margin-bottom: 18px; }
.final-cta__desc { font-size: 17px; color: var(--text-secondary-white); margin-bottom: 32px; line-height: 1.6; }
.final-cta__note { margin-top: 14px; font-size: 13px; color: var(--text-secondary-white); }

.footer-card { position: relative; z-index: 1; background: var(--white); border-radius: var(--radius-card-lg) var(--radius-card-lg) 0 0; }
.footer-card__inner { padding: 48px 40px; display: flex; flex-direction: column; align-items: center; gap: 40px; }
.footer__logo-img { display: block; height: 28px; width: auto; filter: invert(1); }

.footer__cols { display: flex; justify-content: center; gap: 80px; width: 100%; }
.footer__col { display: flex; flex-direction: column; align-items: center; }
.footer__col-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--black); margin-bottom: 8px; }
.footer__link { padding: 8px 0; font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.footer__link:hover { color: var(--black); }
.footer__link--btn { cursor: pointer; }

.footer__copy { font-size: 13px; color: rgba(10,10,10,0.4); text-align: center; }

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal, .reveal.is-revealed {
  transition: opacity 0.7s ease var(--reveal-delay, 0s), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0s);
}
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-revealed { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-px: 24px; --section-py: 64px; }

  .navbar__nav { display: none; }

  .hero { min-height: auto; }
  .hero__content { flex-direction: column; align-items: flex-start; padding: 160px 24px 56px; gap: 32px; }
  .hero__title { font-size: 42px; }
  .hero__right { flex: unset; width: 100%; }

  .problem__title, .pillars__title, .liun__title { font-size: 34px; }
  .problem__grid { grid-template-columns: 1fr; gap: 32px; }

  .pillars__grid { grid-template-columns: 1fr; }
  .pipeline { gap: 8px; }

  .stack__grid { grid-template-columns: 1fr 1fr; }

  .single-screen__inner { grid-template-columns: 1fr; }
  .mockup__board { grid-template-columns: repeat(3, 1fr); }
  .mockup__col:nth-child(4), .mockup__col:nth-child(5) { display: none; }

  .liun__grid { grid-template-columns: repeat(2, 1fr); }

  .fit__grid { grid-template-columns: 1fr; }

  .steps__grid { grid-template-columns: 1fr 1fr; }

  .cta-analysis__card { grid-template-columns: 1fr; padding: 48px 28px; }

  .faq__inner { padding: 48px 24px; }

  .final-cta__title { font-size: 36px; }
  .footer__cols { flex-wrap: wrap; gap: 32px; }
}

@media (max-width: 640px) {
  .hero__title { font-size: 34px; letter-spacing: -1px; }
  .problem__title, .pillars__title, .liun__title, .metrics__title { font-size: 28px; }
  .stack__title, .single-screen__title, .steps__title, .faq__title { font-size: 26px; }
  .stack__grid { grid-template-columns: 1fr; }
  .liun__grid { grid-template-columns: 1fr; }
  .steps__grid { grid-template-columns: 1fr; }
  .mockup__board { grid-template-columns: repeat(2, 1fr); }
  .mockup__col:nth-child(3) { display: none; }
  .metrics__questions { flex-direction: column; align-items: stretch; }
  .cta-analysis__footer h3 { font-size: 20px; }
  .final-cta__title { font-size: 28px; }
  .final-cta__card { padding: 64px 20px 0; }
  .footer-card__inner { padding: 32px 20px; }
  .footer__cols { gap: 24px; justify-content: flex-start; }
}