/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --clr-bg: #0b0f19;
  --clr-surface: #121829;
  --clr-surface-alt: #1a2236;
  --clr-border: #232b40;
  --clr-primary: #6c5ce7;
  --clr-primary-light: #a29bfe;
  --clr-accent: #00cec9;
  --clr-accent-light: #81ecec;
  --clr-danger: #fd79a8;
  --clr-danger-dark: #e84393;
  --clr-text: #e2e8f0;
  --clr-text-muted: #8899b4;
  --clr-text-dim: #4a5568;
  --clr-code-bg-before: #1a1215;
  --clr-code-bg-after: #0f1a16;
  --clr-green: #00b894;
  --clr-red: #d63031;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-glow: 0 0 60px rgba(108, 92, 231, 0.15);
  --transition-smooth: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--clr-primary-light); text-decoration: none; }
a:hover { color: var(--clr-accent-light); }

img { max-width: 100%; display: block; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: var(--clr-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ===== UTILITY ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(108,92,231,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,92,231,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.bg-glow::before,
.bg-glow::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.bg-glow::before {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: var(--clr-primary);
}

.bg-glow::after {
  width: 500px; height: 500px;
  bottom: -150px; right: -100px;
  background: var(--clr-accent);
  opacity: 0.2;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth), padding var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--clr-border);
  padding: 12px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  color: white;
  font-weight: 900;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color 0.3s;
}

.nav__links a:hover { color: var(--clr-text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary), #8b5cf6);
  color: white;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(108, 92, 231, 0.5);
  color: white;
}

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn--outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary-light);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero__content {
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  background: rgba(108, 92, 231, 0.12);
  border: 1px solid rgba(108, 92, 231, 0.25);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary-light);
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero__title span {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-dim);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: float 3s ease-in-out infinite;
}

.hero__scroll-hint svg {
  width: 20px; height: 20px;
  stroke: var(--clr-text-dim);
}

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

/* ===== STATS BAR ===== */
.stats {
  padding: 60px 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  background: rgba(18, 24, 41, 0.5);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.stats__item.visible {
  opacity: 1;
  transform: translateY(0);
}

.stats__number {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats__label {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
}

/* ===== SECTION COMMON ===== */
.section {
  padding: 90px 0;
  position: relative;
}

.section__header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 72px;
}

.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--clr-accent);
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 18px;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}

/* ===== COMPARISON CARDS ===== */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 100px;
  opacity: 0;
  transform: translateY(50px);
}

.comparison:last-child { margin-bottom: 0; }

.comparison__card {
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.comparison__card:hover {
  transform: translateY(-4px);
}

.comparison__card--before {
  background: var(--clr-code-bg-before);
  border-color: rgba(214, 48, 49, 0.15);
}

.comparison__card--before:hover {
  box-shadow: 0 8px 40px rgba(214, 48, 49, 0.08);
}

.comparison__card--after {
  background: var(--clr-code-bg-after);
  border-color: rgba(0, 184, 148, 0.15);
}

.comparison__card--after:hover {
  box-shadow: 0 8px 40px rgba(0, 184, 148, 0.08);
}

.comparison__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--clr-border);
}

.comparison__card-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.comparison__card--before .comparison__card-label { color: var(--clr-danger); }
.comparison__card--after .comparison__card-label { color: var(--clr-green); }

.comparison__card-label-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.comparison__card--before .comparison__card-label-dot { background: var(--clr-red); }
.comparison__card--after .comparison__card-label-dot { background: var(--clr-green); }

.comparison__card-meta {
  font-size: 0.75rem;
  color: var(--clr-text-dim);
  font-weight: 500;
}

.comparison__code {
  padding: 20px;
  overflow-x: auto;
}

.comparison__code pre {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--clr-text-muted);
  white-space: pre;
  tab-size: 4;
}

/* Syntax highlight tokens */
.token-keyword { color: #c792ea; font-weight: 600; }
.token-annotation { color: #f9a825; }
.token-class { color: #82aaff; }
.token-method { color: #82aaff; }
.token-string { color: #c3e88d; }
.token-type { color: #ffcb6b; }
.token-comment { color: #546e7a; font-style: italic; }
.token-number { color: #f78c6c; }
.token-param { color: #e2e8f0; }
.token-operator { color: #89ddff; }
.token-paren { color: #89ddff; }
.token-generic { color: #c792ea; }
.token-return { color: #c792ea; font-weight: 600; }
.token-field { color: #f07178; }
.token-this { color: #ff5370; }
.token-new { color: #c792ea; font-weight: 600; }
.token-null { color: #ff5370; }
.token-bool { color: #ff5370; }
.token-interface { color: #82aaff; font-style: italic; }
.token-punctuation { color: #89ddff; }

/* ===== COMPARISON CONTEXT / DESCRIPTION ===== */
.comparison__context {
  text-align: center;
  margin-bottom: 36px;
}

.comparison__context-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: white;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.comparison__context-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.comparison__context-desc {
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== SAVINGS PILL ===== */
.comparison__savings {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.savings-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid rgba(0, 184, 148, 0.2);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-accent-light);
}

.savings-pill svg {
  width: 16px; height: 16px;
  stroke: var(--clr-accent);
}

/* ===== FEATURES GRID ===== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth), border-color 0.4s ease, box-shadow 0.4s ease;
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-glow);
}

.feature-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.feature-card__icon--purple {
  background: rgba(108, 92, 231, 0.12);
  color: var(--clr-primary-light);
}

.feature-card__icon--teal {
  background: rgba(0, 206, 201, 0.12);
  color: var(--clr-accent);
}

.feature-card__icon--pink {
  background: rgba(253, 121, 168, 0.12);
  color: var(--clr-danger);
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

.feature-card__desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ===== PARALLAX DIVIDER ===== */
.parallax-divider {
  height: 380px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.parallax-divider__bg {
  position: absolute;
  inset: -50px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  opacity: 0.08;
  will-change: transform;
}

.parallax-divider__content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.parallax-divider__quote {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  max-width: 700px;
  line-height: 1.4;
}

.parallax-divider__quote span {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.parallax-divider__author {
  margin-top: 18px;
  font-size: 0.88rem;
  color: var(--clr-text-dim);
}

/* ===== CTA SECTION ===== */
.cta {
  padding: 90px 0;
  text-align: center;
  position: relative;
}

.cta__glow {
  position: absolute;
  width: 500px; height: 500px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta__content {
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.cta__title span {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta__desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--clr-border);
  text-align: center;
}

.footer__text {
  font-size: 0.82rem;
  color: var(--clr-text-dim);
}

/* ===== MOBILE SHOWCASE ===== */
.showcase__intro {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 20px;
}

.showcase__subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}

.showcase__categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 56px;
}

.showcase__pill {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  color: var(--clr-primary-light);
}

.showcase__gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: start;
}

.showcase__phone {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  border: 2px solid var(--clr-border);
  background: var(--clr-surface);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.5s var(--transition-smooth), box-shadow 0.5s var(--transition-smooth);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth), box-shadow 0.5s ease;
}

.showcase__phone.visible {
  opacity: 1;
  transform: translateY(0);
}

.showcase__phone:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 60px rgba(108, 92, 231, 0.2);
}

.showcase__phone img {
  width: 100%;
  height: auto;
  display: block;
  /* Com aspect-ratio: 1170 / 2532, o navegador reserva a altura correta das imagens mesmo antes delas carregarem. Isso elimina o layout shift que encurtava a
  página e impedia a rolagem de alcançar #cta. */
  aspect-ratio: 1170 / 2532;
}

.showcase__phone-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 14px 14px;
  background: linear-gradient(to top, rgba(11, 15, 25, 0.92) 0%, transparent 100%);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-text);
  text-align: center;
}

/* stagger phone cards */
.showcase__gallery .showcase__phone:nth-child(1) { transition-delay: 0s; }
.showcase__gallery .showcase__phone:nth-child(2) { transition-delay: 0.08s; }
.showcase__gallery .showcase__phone:nth-child(3) { transition-delay: 0.16s; }
.showcase__gallery .showcase__phone:nth-child(4) { transition-delay: 0.24s; }
.showcase__gallery .showcase__phone:nth-child(5) { transition-delay: 0.32s; }
.showcase__gallery .showcase__phone:nth-child(6) { transition-delay: 0.4s; }

@media (max-width: 1024px) {
  .showcase__gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .showcase__gallery { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .showcase__phone { border-radius: 18px; }
}

@media (max-width: 480px) {
  .showcase__gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .showcase__phone { border-radius: 14px; }
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* stagger children */
.stagger-children .feature-card:nth-child(1) { transition-delay: 0s; }
.stagger-children .feature-card:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .feature-card:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .feature-card:nth-child(4) { transition-delay: 0.15s; }
.stagger-children .feature-card:nth-child(5) { transition-delay: 0.25s; }
.stagger-children .feature-card:nth-child(6) { transition-delay: 0.35s; }

.stagger-children .stats__item:nth-child(1) { transition-delay: 0s; }
.stagger-children .stats__item:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .stats__item:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .stats__item:nth-child(4) { transition-delay: 0.3s; }

/* ===== LINE COUNT BADGE ===== */
.line-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 50px;
}

.comparison__card--before .line-count {
  background: rgba(214, 48, 49, 0.1);
  color: var(--clr-danger);
}

.comparison__card--after .line-count {
  background: rgba(0, 184, 148, 0.1);
  color: var(--clr-green);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .comparison { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .hero { padding: 100px 20px 60px; }
  .section { padding: 80px 0; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
}