/* ============================================
   ATRIUM DESK — Design tokens
   ============================================ */
:root {
  --bg-void: #0a0a0c;
  --bg-surface: #131317;
  --bg-elevated: #1b1b20;
  --bg-elevated-2: #202027;

  --accent: #b8272e;
  --accent-hover: #d2333b;
  --accent-soft: rgba(184, 39, 46, 0.14);
  --accent-glow: rgba(184, 39, 46, 0.35);

  --line: #2a2b31;
  --line-soft: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);

  --text-primary: #f3f1ec;
  --text-muted: #93949c;
  --text-faint: #5a5b62;

  --font-serif: "Fraunces", "Iowan Old Style", serif;
  --font-sans: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* focus visibility */
a:focus-visible, button:focus-visible, .showcase-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary,
.btn-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), background-color 0.35s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-hover);
  transform: translateY(101%);
  transition: transform 0.35s var(--ease);
  z-index: 0;
}
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px var(--accent-glow);
}
.btn-primary:hover::before { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--line-strong);
}
.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-block { display: flex; width: 100%; }

/* ============================================
   Header
   ============================================ */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 26px 0;
  transition: padding 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
#main-header.scrolled {
  background-color: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-primary); }
.logo-img { height: 38px; border-radius: 50%; border: 1px solid var(--line-soft); }
.logo-text { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 400; letter-spacing: 0.01em; }
.logo-text strong { font-weight: 600; color: var(--accent); }

.main-nav { display: flex; gap: 8px; }
.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.main-nav a:hover { color: var(--text-primary); background: var(--bg-elevated); }

/* ============================================
   Hero — blueprint / atrium grid
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 24px 90px;
  overflow: hidden;
  background:
    linear-gradient(var(--bg-void), var(--bg-void)),
    repeating-linear-gradient(90deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 96px),
    repeating-linear-gradient(0deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 96px);
  background-blend-mode: normal;
}
.hero-section::before {
  /* vanishing-point atrium lines */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(115deg, transparent 49.6%, var(--line-soft) 49.8%, var(--line-soft) 50%, transparent 50.2%),
    linear-gradient(65deg, transparent 49.6%, var(--line-soft) 49.8%, var(--line-soft) 50%, transparent 50.2%);
  background-size: 400px 400px, 400px 400px;
  background-position: -20% 0, 120% 0;
  opacity: 0.6;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, black 20%, transparent 75%);
  pointer-events: none;
}
.hero-bg-glow {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: center;
  z-index: 2;
  position: relative;
}

.launch-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-soft);
  border: 1px solid rgba(184, 39, 46, 0.35);
  color: var(--accent-hover);
  padding: 7px 15px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  font-weight: 500;
  margin-bottom: 28px;
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 4.2vw, 3.6rem);
  font-weight: 500;
  margin-bottom: 22px;
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.hero-content h1 em { color: var(--accent); font-style: italic; }

.hero-content p {
  font-size: 1.12rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 46ch;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 44px; flex-wrap: wrap; }

.hero-perks {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  max-width: 380px;
}
.hero-perks span {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.hero-perks i { color: var(--accent); font-size: 1rem; }

.hero-visual { position: relative; }
.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 4px;
  background: linear-gradient(160deg, var(--line-strong), transparent 60%);
}
.hero-img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 4px);
  display: block;
  border: 1px solid var(--line-soft);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
}
.img-glow {
  position: absolute;
  bottom: -60px;
  left: 10%;
  right: 10%;
  height: 100px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 75%);
  filter: blur(30px);
  z-index: -1;
  opacity: 0.6;
}

/* ============================================
   Showcase sections
   ============================================ */
.modern-showcase-section {
  padding: 120px 24px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--line-soft);
  position: relative;
}
.modern-showcase-section.bg-darker { background-color: var(--bg-void); }

.showcase-container { max-width: 1500px; margin: 0 auto; }

.section-header { max-width: 700px; margin: 0 auto 64px; text-align: center; }
.section-header .eyebrow { justify-content: center; margin-bottom: 18px; }
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-header p { color: var(--text-muted); font-size: 1.08rem; }

.interactive-showcase {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 50px;
  align-items: start;
  margin-top: 40px;
}
.interactive-showcase.reverse { grid-template-columns: 1fr 360px; }
.interactive-showcase.reverse .showcase-nav { order: 2; }
.interactive-showcase.reverse .showcase-display { order: 1; }

.showcase-nav { display: flex; flex-direction: column; gap: 10px; }
.showcase-tab {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
  position: relative;
}
.showcase-tab h3 {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  margin-bottom: 0;
  transition: color 0.3s var(--ease);
}
.showcase-tab p {
  font-size: 0.94rem;
  color: var(--text-muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), margin-top 0.4s var(--ease);
}
.showcase-tab:hover { background-color: var(--bg-elevated); }
.showcase-tab.active {
  background-color: var(--bg-elevated);
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.6);
}
.showcase-tab.active h3 { color: var(--accent); }
.showcase-tab.active h3::before { content: "→  "; }
.showcase-tab.active p { max-height: 200px; opacity: 1; margin-top: 8px; color: var(--text-primary); }

.showcase-display {
  position: relative;
  width: 100%;
  min-height: 750px;
  border-radius: var(--radius-lg);
  background: var(--bg-void);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.65);
}
.showcase-large-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  transform: scale(1.015);
}
.showcase-large-img.active { opacity: 1; visibility: visible; transform: scale(1); }

/* ============================================
   Pricing
   ============================================ */
.pricing-section {
  padding: 120px 24px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--line-soft);
}
.pricing-container {
  max-width: 940px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: stretch;
}
.pricing-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { transform: translateY(-6px); }
.pricing-card.highlight {
  background: linear-gradient(160deg, var(--bg-elevated-2), var(--bg-surface));
  border-color: rgba(184, 39, 46, 0.4);
  box-shadow: 0 20px 45px -20px rgba(0, 0, 0, 0.6);
  position: relative;
}
.pricing-card.highlight::before {
  content: "MAIS POPULAR";
  position: absolute;
  top: 0;
  right: 40px;
  transform: translateY(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 999px;
}
.pricing-card.secondary { background-color: transparent; border-style: dashed; }

.pricing-header { margin-bottom: 32px; border-bottom: 1px solid var(--line-soft); padding-bottom: 24px; }
.pricing-header h3 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 500; margin-bottom: 18px; }
.price { display: flex; align-items: flex-start; gap: 4px; margin-bottom: 12px; font-family: var(--font-mono); }
.price .currency { font-size: 1.1rem; font-weight: 500; margin-top: 8px; color: var(--text-muted); }
.price .value { font-size: 3.4rem; font-weight: 600; line-height: 1; }
.price .period { font-size: 0.9rem; color: var(--text-muted); margin-top: auto; margin-bottom: 8px; }
.pricing-desc { color: var(--text-muted); font-size: 0.95rem; }

.pricing-features ul { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; flex: 1; }
.pricing-features li { display: flex; align-items: center; gap: 12px; font-size: 0.96rem; }
.pricing-features i { color: var(--accent); font-size: 1.15rem; flex-shrink: 0; }

.pricing-features.extras h4 { font-family: var(--font-serif); font-weight: 500; font-size: 1.1rem; margin-bottom: 6px; }
.extras-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 18px; }
.pricing-features.extras ul { gap: 12px; margin-bottom: 0; }

/* ============================================
   CTA
   ============================================ */
.cta-section { padding: 120px 24px; background-color: var(--bg-void); border-top: 1px solid var(--line-soft); }
.cta-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta-text h2 { font-family: var(--font-serif); font-size: clamp(2rem, 3.2vw, 2.6rem); font-weight: 500; margin-bottom: 20px; letter-spacing: -0.01em; }
.cta-text p { color: var(--text-muted); font-size: 1.08rem; margin-bottom: 32px; max-width: 44ch; }
.cta-contact-info p {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
}
.cta-contact-info i { color: var(--accent); }
.cta-embed iframe {
  width: 100%;
  height: 550px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
}

/* ============================================
   Footer
   ============================================ */
.main-footer { background-color: var(--bg-surface); border-top: 1px solid var(--line-soft); padding-top: 80px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px 60px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.brand-col .logo-text { font-family: var(--font-serif); }
.brand-col p { color: var(--text-muted); font-size: 0.94rem; margin-top: 16px; max-width: 340px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 0.94rem; transition: color 0.25s var(--ease); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line-soft); padding: 24px; text-align: center; color: var(--text-faint); font-family: var(--font-mono); font-size: 0.78rem; }

/* ============================================
   Scroll reveal
   ============================================ */
.fade-in-up { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-perks { align-items: flex-start; margin: 0 auto; }
  .interactive-showcase, .interactive-showcase.reverse { grid-template-columns: 1fr; }
  .interactive-showcase.reverse .showcase-nav { order: 1; }
  .interactive-showcase.reverse .showcase-display { order: 2; }
  .showcase-display { min-height: 420px; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .pricing-container, .cta-container { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .showcase-tab p { max-height: none; }
  .pricing-card.highlight::before { position: static; display: inline-block; transform: none; margin-bottom: 16px; }
}