/* whatsbtx24 — Sóbrio Stripe-like */

:root {
  --accent: #25D366;
  --accent-d: #1FB955;
  --bz-blue: #2FC6F6;

  --bg: #FFFFFF;
  --bg-alt: #F7F8FA;
  --bg-hero: #FFFFFF;
  --fg: #0A0A0B;
  --fg-2: #4B5462;
  --fg-3: #8B95A5;
  --line: #E6E9EE;
  --line-2: #EFF1F5;
  --card: #FFFFFF;
  --shadow-card: 0 1px 2px rgba(10,10,11,0.04), 0 4px 12px rgba(10,10,11,0.04);
  --shadow-shot: 0 24px 60px -12px rgba(10, 10, 11, 0.18), 0 0 0 1px rgba(10,10,11,0.04);
  --r: 12px;
  --r-sm: 8px;
  --r-lg: 18px;

  --gap: 1.25rem;
  --pad-sec: 7rem;

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-tight: -0.01em;
  --font-heading-tight: -0.025em;
}

[data-theme="dark"] {
  --bg: #0A0A0B;
  --bg-alt: #0F1012;
  --bg-hero: #0A0A0B;
  --fg: #FAFAFA;
  --fg-2: #B0B6C0;
  --fg-3: #6E7785;
  --line: #1F2126;
  --line-2: #16181C;
  --card: #111316;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-shot: 0 24px 60px -12px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
}

[data-density="compact"] { --pad-sec: 5rem; --gap: 1rem; }
[data-density="comfy"]   { --pad-sec: 9rem; --gap: 1.5rem; }

[data-font="soehne"] {
  --font: ui-sans-serif, "Söhne", "SF Pro Text", system-ui, sans-serif;
}
[data-font="geist"] {
  --font: "Geist", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: var(--font-tight);
  scroll-behavior: smooth;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-balance { text-wrap: balance; }

/* ───────── Typography */
.h2 {
  font-size: clamp(1.875rem, 3vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: var(--font-heading-tight);
  font-weight: 600;
  margin: 0 0 0.75rem;
  text-wrap: balance;
}
.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.875rem;
}
.lead {
  font-size: 1.125rem;
  color: var(--fg-2);
  max-width: 60ch;
  margin: 0 auto;
  text-wrap: pretty;
}

/* ───────── Section */
.section { padding: var(--pad-sec) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 4rem; }
.section-head-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  text-align: left;
  align-items: center;
  max-width: none;
}
.section-head-split .lead { margin-left: 0; }

/* ───────── Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: var(--r-sm);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  transition: transform .12s, box-shadow .12s, background .15s;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-lg { padding: 0.85rem 1.4rem; font-size: 1rem; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(37, 211, 102, 0.32);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
}
.btn-ghost:hover { background: var(--line-2); border-color: var(--fg-3); }
.btn-block { width: 100%; justify-content: center; }

/* ───────── Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 0.75rem 0;
  transition: background .2s, border-color .2s, box-shadow .2s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--line);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.nav-brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 500; font-size: 1.0625rem; letter-spacing: -0.015em;
}
.nav-brand b { font-weight: 700; }
.nav-logo { width: 28px; height: 28px; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.9375rem; color: var(--fg-2); font-weight: 450;
  transition: color .15s;
}
.nav-links a:hover { color: var(--fg); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-icon-btn {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); color: var(--fg-2);
}
.nav-icon-btn:hover { background: var(--line-2); color: var(--fg); }
.nav-link-muted {
  font-size: 0.9375rem; color: var(--fg-2); padding: 0.5rem 0.75rem;
}
.nav-link-muted:hover { color: var(--fg); }
.nav-burger { display: none; }
.nav-mobile {
  display: none; flex-direction: column; gap: 0.5rem;
  padding: 1rem 1.5rem 1.25rem;
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.nav-mobile a { padding: 0.5rem 0; color: var(--fg); font-weight: 500; }

/* ───────── Hero */
.hero {
  padding-top: 7rem;
  background: var(--bg-hero);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(ellipse 40% 30% at 10% 30%, color-mix(in oklab, var(--bz-blue) 8%, transparent), transparent 60%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  padding-bottom: 5rem;
}
.hero-centered .hero-inner {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 920px;
}
.hero-centered .hero-text { max-width: 720px; margin: 0 auto; }
.hero-centered .hero-meta { justify-content: center; }
.hero-centered .hero-ctas { justify-content: center; }
.hero-fullbleed .hero-inner {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 920px;
  padding-bottom: 0;
}
.hero-fullbleed .hero-text { max-width: 760px; margin: 0 auto; }
.hero-fullbleed .hero-visual { max-width: none; margin-top: 3.5rem; }
.hero-fullbleed .hero-meta,
.hero-fullbleed .hero-ctas { justify-content: center; }

.hero-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.75rem 0.4rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-size: 0.8125rem; color: var(--fg-2);
  margin-bottom: 1.5rem;
  transition: border-color .15s;
}
.hero-pill:hover { border-color: var(--fg-3); }
.hero-pill-dot { width: 6px; height: 6px; border-radius: 50%; }
.hero-h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 1.25rem;
}
.hero-h1-accent { font-style: italic; font-weight: 500; }
.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-2);
  margin: 0 0 2rem;
  max-width: 52ch;
  text-wrap: pretty;
}
.hero-ctas { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-meta {
  display: flex; gap: 1.25rem; flex-wrap: wrap;
  font-size: 0.875rem; color: var(--fg-2);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }

.hero-visual { position: relative; }

/* Screenshot wrappers */
.shot { position: relative; border-radius: var(--r); overflow: hidden; background: var(--card); }
.shot-shadow { box-shadow: var(--shadow-shot); border: 1px solid var(--line); }
.shot-tilt {
  box-shadow: var(--shadow-shot);
  border: 1px solid var(--line);
  transform: rotate(-1.5deg);
  transition: transform .3s;
}
.shot-tilt:hover { transform: rotate(0deg); }
.shot-browser {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-shot);
}
.shot-chrome {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 0.85rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.shot-dot { width: 11px; height: 11px; border-radius: 50%; }
.shot-url {
  margin-left: 1rem;
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  color: var(--fg-3);
  font-family: ui-monospace, monospace;
  text-align: center;
  max-width: 380px;
}
.shot-img { width: 100%; height: auto; display: block; }

/* Hero floating chat */
.hero-chat-float {
  position: absolute;
  right: -1.5rem;
  bottom: -2rem;
  width: 320px;
  filter: drop-shadow(0 24px 40px rgba(10,10,11,0.18));
  z-index: 3;
}
.hero-chat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  font-size: 0.875rem;
}
.hero-chat-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
}
.hero-chat-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
}
.hero-chat-name { font-size: 0.8125rem; font-weight: 600; }
.hero-chat-sub {
  font-size: 0.6875rem; color: var(--fg-3);
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.hero-chat-dot { width: 6px; height: 6px; border-radius: 50%; }
.hero-chat-card {
  font-size: 0.6875rem; color: var(--fg-2);
  background: var(--bg); border: 1px solid var(--line);
  padding: 0.2rem 0.4rem; border-radius: 4px;
}
.hero-chat-body {
  height: 200px; overflow-y: auto;
  padding: 0.85rem; display: flex; flex-direction: column; gap: 0.45rem;
  background: var(--bg);
}
.hero-msg { display: flex; }
.hero-msg.in  { justify-content: flex-start; }
.hero-msg.out { justify-content: flex-end; }
.hero-msg-bubble {
  max-width: 80%;
  padding: 0.45rem 0.65rem 0.55rem;
  border-radius: 10px;
  font-size: 0.8125rem;
  line-height: 1.35;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  position: relative;
}
.hero-msg.out .hero-msg-bubble { border-radius: 10px 10px 2px 10px; }
.hero-msg.in  .hero-msg-bubble { border-radius: 10px 10px 10px 2px; }
.hero-msg-time {
  display: block;
  font-size: 0.625rem;
  color: var(--fg-3);
  text-align: right;
  margin-top: 2px;
}
.hero-msg-typing { padding: 0.65rem 0.7rem; display: inline-flex; gap: 4px; }
.hero-msg-typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--fg-3);
  animation: dot 1.2s infinite ease-in-out;
}
.hero-msg-typing span:nth-child(2) { animation-delay: 0.15s; }
.hero-msg-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}
.hero-chat-input {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.7rem;
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
}
.hero-chat-inp-box {
  flex: 1;
  padding: 0.45rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--fg-3);
}
.hero-chat-mic {
  width: 30px; height: 30px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
}

/* Hero video badge */
.hero-video-badge {
  position: absolute;
  left: -1rem; top: 1.5rem;
  display: inline-flex; align-items: center; gap: 0.65rem;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.55rem 0.9rem 0.55rem 0.55rem;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  z-index: 3;
}
.hero-video-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--fg); color: var(--bg);
  display: inline-flex; align-items: center; justify-content: center;
  padding-left: 3px;
}
.hero-video-meta { display: flex; flex-direction: column; line-height: 1.2; }
.hero-video-meta strong { font-size: 0.8125rem; font-weight: 600; }
.hero-video-meta span { font-size: 0.6875rem; color: var(--fg-3); }

/* Client strip */
.client-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem 0;
  background: var(--bg);
  position: relative; z-index: 2;
}
.client-strip-label {
  text-align: center; font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--fg-3);
  margin: 0 0 1.25rem;
}
.client-strip-track {
  display: flex; gap: 3rem; flex-wrap: wrap; justify-content: center;
  font-size: 1.125rem; font-weight: 500; color: var(--fg-2);
  letter-spacing: -0.02em;
}
.client-strip-logo { opacity: 0.7; }

/* How it works */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.how-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.how-num {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.875rem;
}
.how-visual {
  background: var(--bg-alt);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  height: 220px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.how-mock-kanban img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.how-title { font-size: 1.125rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.how-body { color: var(--fg-2); font-size: 0.9375rem; margin: 0; }

/* Marketplace mock */
.how-mock-install { padding: 1rem; width: 100%; }
.how-mock-marketplace {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  width: 100%;
}
.how-mock-mp-head {
  padding: 0.5rem 0.85rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem; color: var(--fg-3); font-weight: 500;
}
.how-mock-mp-card {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 0.75rem; align-items: center; padding: 0.85rem;
}
.how-mock-mp-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--bg-alt); border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px;
}
.how-mock-mp-icon img { width: 100%; height: 100%; object-fit: contain; }
.how-mock-mp-name { font-size: 0.875rem; font-weight: 600; }
.how-mock-mp-cat { font-size: 0.75rem; color: var(--fg-3); }
.how-mock-mp-btn {
  padding: 0.4rem 0.75rem;
  border-radius: 6px; color: #fff;
  font-size: 0.75rem; font-weight: 500;
}

/* QR mock */
.how-mock-qr {
  flex-direction: column; gap: 0.85rem;
}
.how-qr-grid {
  width: 140px; height: 140px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 8px;
  border-radius: 6px;
  position: relative;
}
.how-qr-cell { background: var(--fg); border-radius: 1px; }
.how-qr-corner {
  position: absolute; width: 30px; height: 30px;
  border: 4px solid var(--fg);
  border-radius: 4px;
  background: var(--bg);
}
.how-qr-tl { top: 8px; left: 8px; }
.how-qr-tr { top: 8px; right: 8px; }
.how-qr-bl { bottom: 8px; left: 8px; }
.how-qr-center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 32px; height: 32px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 3px solid var(--bg);
}
.how-qr-label { font-size: 0.75rem; color: var(--fg-3); text-align: center; }

/* Bento */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}
.bento-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
  overflow: hidden;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.bento-card:hover { border-color: var(--fg-3); }
.bento-lg { grid-column: span 4; grid-row: span 2; }
.bento-md { grid-column: span 3; }
.bento-sm { grid-column: span 2; }
.bento-title { font-size: 1.0625rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.bento-body { color: var(--fg-2); font-size: 0.9375rem; margin: 0; flex: 0 0 auto; }
.bento-shot {
  margin-top: auto;
  border-radius: var(--r-sm);
  overflow: hidden;
  flex: 1;
  min-height: 140px;
  display: flex; align-items: flex-start; justify-content: center;
}
.bento-shot img {
  width: 100%; height: 100%; object-fit: cover; object-position: top left;
}
.bento-lg .bento-shot { min-height: 320px; }

/* Features slide (menu lateral + stage) */
.feat-slide {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: stretch;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.25rem;
  min-height: 560px;
}
.feat-menu {
  display: flex; flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem;
  border-right: 1px solid var(--line);
}
.feat-menu-item {
  position: relative;
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.85rem 0.9rem;
  background: transparent;
  border: 0;
  border-radius: var(--r-sm);
  text-align: left;
  cursor: pointer;
  color: var(--fg-2);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background .15s, color .15s;
}
.feat-menu-item:hover { background: var(--bg-alt); color: var(--fg); }
.feat-menu-item.is-active { background: var(--bg-alt); color: var(--fg); font-weight: 600; }
.feat-menu-num {
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-3);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}
.feat-menu-item.is-active .feat-menu-num { color: var(--accent, currentColor); }
.feat-menu-label { flex: 1; line-height: 1.3; }
.feat-menu-icon { display: inline-flex; flex: 0 0 auto; opacity: 0.7; }
.feat-menu-item.is-active .feat-menu-icon { opacity: 1; }
.feat-menu-bar {
  position: absolute; left: -1.25rem; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%; border-radius: 2px;
}

.feat-stage {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1.5rem;
  padding: 1rem 1rem 0.5rem;
  animation: featFade .25s ease-out;
}
@keyframes featFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.feat-shot {
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  min-height: 0;
}
.feat-shot .shot-img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top left;
  display: block;
}
.diff-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.5rem;
  align-items: start;
  padding: 1.75rem;
  background: var(--bg-alt);
}
.diff-compare-h {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 0.25rem;
}
.diff-compare-h-good { color: inherit; }
.diff-compare-bad, .diff-compare-good {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  background: var(--card);
}
.diff-compare-bad { color: var(--fg-3); text-decoration: line-through; }
.diff-compare-bad svg { opacity: 0.5; }
.feat-copy { padding: 0 0.25rem 0.5rem; }
.feat-copy-eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.feat-copy-title {
  font-size: 1.625rem; font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
  text-wrap: pretty;
}
.feat-copy-body {
  color: var(--fg-2);
  font-size: 1rem;
  margin: 0 0 1.1rem;
  max-width: 56ch;
  text-wrap: pretty;
}
.feat-nav { display: flex; gap: 0.6rem; }
.feat-nav-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  padding: 0.55rem 1rem;
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.feat-nav-btn:hover { background: var(--bg-alt); }
.feat-nav-btn-primary { font-weight: 600; }
.feat-nav-btn-primary:hover { filter: brightness(1.05); }

/* Mobile slide (menu lateral + phone stage) */
.mob-slide {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: stretch;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.25rem;
  min-height: 640px;
}
.mob-slide-stage {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 3rem;
  align-items: center;
  padding: 1.5rem 1rem;
  animation: featFade .25s ease-out;
}
.mob-slide-phone-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.mob-slide-glow {
  position: absolute; inset: -20%;
  z-index: 0;
  pointer-events: none;
  filter: blur(40px);
}
.mob-slide-phone {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 9/19.5;
  background: #111;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.4), inset 0 0 0 2px rgba(255,255,255,0.06);
  z-index: 1;
}
.mob-slide-phone img {
  width: 100%; height: 100%;
  border-radius: 24px;
  object-fit: cover; object-position: top;
  display: block;
}
.mob-slide-copy { padding: 0 0.25rem; }

@media (max-width: 960px) {
  .mob-slide { grid-template-columns: 1fr; }
  .mob-slide-stage { grid-template-columns: 1fr; gap: 2rem; }
  .mob-slide-phone-wrap { max-width: 280px; margin: 0 auto; }
  .mob-slide-menu { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .mob-slide-menu .feat-menu-bar { display: none; }
}

/* Comparativo concorrentes */
.cmp-wrap { max-width: 1100px; margin: 0 auto; }
.cmp-table {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(4, 1fr);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.cmp-row { display: contents; }
.cmp-cell {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 0.9375rem;
  min-height: 64px;
  color: var(--fg);
}
.cmp-row:last-child .cmp-cell { border-bottom: 0; }
.cmp-head .cmp-cell {
  background: var(--bg-alt);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg-2);
  min-height: 48px;
}
.cmp-crit { font-weight: 600; color: var(--fg); border-right: 1px solid var(--line); }
.cmp-col-us {
  background: transparent;
  border-bottom: 2px solid currentColor;
  position: relative;
}
.cmp-cell-us { font-weight: 600; }
.cmp-badge {
  display: inline-block; margin-left: 0.4rem;
  font-size: 0.625rem; font-weight: 700;
  color: #fff; padding: 2px 6px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.cmp-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 6px;
  flex: 0 0 22px;
  border: 1px solid transparent;
  font-size: 0.75rem; font-weight: 700;
}
.cmp-mark.cmp-ok { /* color set inline */ }
.cmp-mark.cmp-no { background: rgba(220,60,60,0.12); color: #d63b3b; border-color: rgba(220,60,60,0.3); }
.cmp-mark.cmp-warn { background: rgba(220,160,40,0.16); color: #d09313; border-color: rgba(220,160,40,0.35); }
.cmp-label { line-height: 1.35; }
.cmp-label-warn, .cmp-label-no { color: var(--fg-2); }
.cmp-legend {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  margin-top: 1.25rem;
  font-size: 0.8125rem; color: var(--fg-3);
  justify-content: center;
}
.cmp-legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
@media (max-width: 880px) {
  .cmp-table { grid-template-columns: minmax(140px, 1fr) repeat(4, minmax(110px, 1fr)); font-size: 0.8125rem; }
  .cmp-wrap { overflow-x: auto; }
  .cmp-cell { padding: 0.75rem 0.6rem; min-height: 56px; }
}

/* Mobile section */
.mob-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: end;
}
.mob-phone {
  display: flex; flex-direction: column; align-items: center; gap: 0.85rem;
  transform: translateY(calc(var(--i) * -10px));
}
.mob-phone-frame {
  width: 100%;
  aspect-ratio: 9/19.5;
  background: #000;
  border-radius: 28px;
  padding: 8px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, var(--shadow-shot);
  position: relative;
  overflow: hidden;
}
.mob-phone-frame img {
  width: 100%; height: 100%;
  border-radius: 22px;
  object-fit: cover; object-position: top;
}
.mob-phone-notch {
  position: absolute; top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 16px;
  background: #000;
  border-radius: 999px;
  z-index: 2;
}
.mob-phone-cap {
  font-size: 0.8125rem; color: var(--fg-2); text-align: center;
  font-weight: 500;
}
.mob-bullets { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.65rem; }
.mob-bullets li {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9375rem; color: var(--fg-2);
}

/* Differentiators */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.diff-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.diff-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  border: 1px solid;
  display: inline-flex; align-items: center; justify-content: center;
}
.diff-title { font-size: 1.125rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.diff-body { color: var(--fg-2); font-size: 0.9375rem; margin: 0; flex: 1; }
.diff-shot {
  margin-top: auto;
  height: 220px;
  border-radius: var(--r-sm);
  overflow: hidden;
}
.diff-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }

.diff-noshot { display: grid; gap: 0.5rem; margin-top: auto; }
.diff-noshot-bad, .diff-noshot-good {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.85rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
}
.diff-noshot-bad {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  color: var(--fg-3);
  text-decoration: line-through;
}
.diff-noshot-good {
  background: var(--card);
  border: 1px solid;
}

/* Metrics */
.metrics-row {
  display: grid;
  grid-template-columns: 4fr 7fr;
  gap: 4rem;
  align-items: center;
}
.metrics-shot { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.metrics-shot img { width: 100%; }
.metrics-bullets { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.65rem; }
.metrics-bullets li {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9375rem; color: var(--fg-2);
}
.metrics-bullets .dot { width: 6px; height: 6px; border-radius: 50%; }

/* Pricing */
.price-toggle {
  display: inline-flex;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  margin-top: 1.25rem;
}
.price-toggle button {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-2);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.price-toggle button.is-on { color: #fff; }
.price-toggle-badge {
  font-size: 0.6875rem; font-weight: 600;
  background: rgba(255,255,255,0.25);
  padding: 1px 6px; border-radius: 999px;
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 2rem 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  position: relative;
}
.price-card.is-hi {
  border-width: 2px;
  box-shadow: var(--shadow-shot);
  transform: translateY(-8px);
}
.price-tag {
  position: absolute; top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
  color: #fff;
}
.price-name { font-size: 1.25rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.price-tagline { color: var(--fg-3); font-size: 0.875rem; margin: -0.5rem 0 0; }
.price-amount { display: flex; align-items: baseline; gap: 0.3rem; }
.price-num { font-size: 2.5rem; font-weight: 600; letter-spacing: -0.025em; }
.price-per { color: var(--fg-3); font-size: 0.9375rem; }
.price-billed { font-size: 0.75rem; color: var(--fg-3); margin-top: -0.6rem; }
.price-meta {
  display: grid; gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: var(--bg-alt);
  border-radius: var(--r-sm);
  font-size: 0.8125rem; color: var(--fg-2);
}
.price-meta div { display: flex; align-items: center; gap: 0.5rem; }
.price-features { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.price-features li {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.875rem; color: var(--fg-2);
}
.price-features li svg { flex-shrink: 0; margin-top: 3px; }
.price-note { text-align: center; margin-top: 2rem; color: var(--fg-2); font-size: 0.9375rem; }
.price-note a { color: var(--fg); font-weight: 500; }
.price-note a:hover { text-decoration: underline; }

/* Before/After */
.ba-wrap {}
.ba-toggle {
  display: inline-flex; gap: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  margin: 0 auto 2rem;
  display: flex; width: fit-content;
}
.ba-toggle-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 999px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--fg-2);
  transition: background .15s, color .15s;
}
.ba-toggle-btn.is-on { background: var(--fg); color: var(--bg); }
.ba-head { text-align: center; margin-bottom: 2rem; }
.ba-title { font-size: 1.5rem; font-weight: 600; margin: 0 0 0.4rem; letter-spacing: -0.015em; }
.ba-sub { color: var(--fg-2); margin: 0; }
.ba-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.ba-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.25rem 1.4rem;
}
.ba-card.is-bad { opacity: 0.85; }
.ba-card-head { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.85rem; }
.ba-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.ba-list li { display: flex; gap: 0.5rem; font-size: 0.875rem; color: var(--fg-2); }
.ba-bullet { flex-shrink: 0; color: var(--fg-3); width: 14px; }
.ba-pills { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.ba-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  color: var(--fg-3);
}
.ba-pill.is-bad { text-decoration: line-through; }

/* ROI */
.roi-wrap {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 2.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.roi-inputs { display: grid; gap: 1.5rem; align-content: start; }
.roi-field-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 0.5rem;
}
.roi-field label { font-size: 0.875rem; color: var(--fg-2); font-weight: 500; }
.roi-field-val {
  font-size: 0.9375rem; color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.roi-field-val strong { font-weight: 600; }
.roi-field input[type="range"] {
  width: 100%; height: 4px; appearance: none;
  background: var(--line); border-radius: 999px;
  outline: none;
}
.roi-field input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 18px; height: 18px;
  background: var(--accent); border-radius: 50%;
  border: 3px solid var(--bg);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.roi-field input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; background: var(--accent);
  border-radius: 50%; border: 3px solid var(--bg);
  cursor: pointer;
}
.roi-field-marks {
  display: flex; justify-content: space-between;
  font-size: 0.6875rem; color: var(--fg-3); margin-top: 0.4rem;
  font-variant-numeric: tabular-nums;
}
.roi-output { display: grid; gap: 1.5rem; align-content: start; }
.roi-out-label {
  font-size: 0.75rem; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
  margin-bottom: 0.85rem;
}
.roi-out-bars { display: grid; gap: 0.85rem; }
.roi-bar { display: grid; gap: 0.4rem; }
.roi-bar-label { font-size: 0.875rem; color: var(--fg-2); }
.roi-bar-val { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.015em; }
.roi-bar-track {
  height: 8px;
  background: var(--bg-alt);
  border-radius: 999px;
  overflow: hidden;
}
.roi-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .3s ease;
}
.roi-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.roi-stat-num {
  font-size: 1.5rem; font-weight: 600;
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
}
.roi-stat-lbl { font-size: 0.75rem; color: var(--fg-3); margin-top: 0.2rem; }
.roi-note {
  font-size: 0.75rem; color: var(--fg-3);
  margin: 0; padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0;
  font-size: 1rem; font-weight: 500;
  text-align: left;
  letter-spacing: -0.005em;
}
.faq-q:hover { color: var(--accent); }
.faq-a { padding: 0 0 1.25rem; color: var(--fg-2); max-width: 70ch; }

/* CTA final */
.cta-final {
  padding: var(--pad-sec) 0;
  background: var(--fg);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 60% at 80% 20%, color-mix(in oklab, var(--accent) 20%, transparent), transparent 60%),
    radial-gradient(ellipse 40% 50% at 15% 80%, color-mix(in oklab, var(--bz-blue) 12%, transparent), transparent 60%);
}
.cta-final-inner { text-align: center; position: relative; max-width: 760px; }
.cta-final-h { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
.cta-final-sub { color: rgba(255,255,255,0.7); }
.cta-final-ctas { display: flex; gap: 0.75rem; justify-content: center; margin: 2rem 0 1.25rem; flex-wrap: wrap; }
.cta-final .btn-ghost { color: var(--bg); border-color: rgba(255,255,255,0.2); }
.cta-final .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.cta-final-trust {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; color: rgba(255,255,255,0.5);
  margin: 0;
}

/* Footer */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding-top: 4rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-brand { max-width: 280px; }
.footer-brand .nav-brand { margin-bottom: 0.85rem; }
.footer-tag { color: var(--fg-2); font-size: 0.875rem; margin: 0; }
.footer-company { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.2rem; }
.footer-company-line { font-size: 0.8125rem; color: var(--fg-3); line-height: 1.5; }
.footer-mono { font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.footer-company-mail { color: var(--fg-2) !important; font-size: 0.8125rem !important; padding: 0.4rem 0 0 !important; }
.footer-company-mail:hover { color: var(--accent) !important; }
.footer-h {
  font-size: 0.8125rem; font-weight: 600;
  margin-bottom: 0.85rem;
  letter-spacing: -0.005em;
}
.footer a {
  display: block;
  font-size: 0.875rem;
  color: var(--fg-2);
  padding: 0.25rem 0;
  transition: color .15s;
}
.footer a:hover { color: var(--fg); }
.footer-bottom { border-top: 1px solid var(--line); padding: 1.25rem 0; }
.footer-bot-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8125rem; color: var(--fg-3);
}
.footer-marketplace { display: inline-flex; align-items: center; gap: 0.4rem; }
.footer-mp-dot { width: 6px; height: 6px; border-radius: 50%; }

/* ROI section + BA section wrappers */
#roi.section, #ba.section { padding-top: var(--pad-sec); padding-bottom: var(--pad-sec); }

/* ───────── Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 3rem; }
  .hero-chat-float { display: none; }
  .hero-video-badge { display: none; }
  .nav-links { display: none; }
  .nav-link-muted { display: none; }
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--r-sm); }
  .nav-burger:hover { background: var(--line-2); }
  .nav.is-scrolled .nav-mobile,
  .nav-mobile { display: flex; }
  .how-grid, .bento, .diff-grid, .price-grid, .ba-grid { grid-template-columns: 1fr; }
  .bento-lg, .bento-md, .bento-sm { grid-column: 1; grid-row: auto; }
  .feat-slide { grid-template-columns: 1fr; }
  .feat-menu { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 0.75rem; }
  .feat-menu-item { white-space: nowrap; }
  .feat-menu-bar { display: none; }
  .section-head-split { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .mob-strip { grid-template-columns: 1fr 1fr; }
  .mob-phone { transform: none; }
  .metrics-row { grid-template-columns: 1fr; gap: 2rem; }
  .roi-wrap { grid-template-columns: 1fr; padding: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .roi-stats { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  :root { --pad-sec: 4rem; }
  .hero-h1 { font-size: 2.25rem; }
  .h2 { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bot-row { flex-direction: column; gap: 0.5rem; }
  .mob-strip { grid-template-columns: 1fr; max-width: 280px; margin: 0 auto; }
}