/* Construindo.site - styles.css
   Mobile-first, minimal, fast. Uses Poppins (titles) and Inter (body)
*/
:root {
  /* Colors */
  --indigo-500: #4F46E5; /* primary */
  --purple-500: #9333EA; /* complementary */
  --wa-500: #22C55E;     /* WhatsApp CTA */
  --bg: #0b0b10;
  --surface: #0f1020;
  --card: #14162b;
  --text: #e7e9ee;
  --muted: #a8adbd;
  --border: rgba(255,255,255,0.08);
  --gradient: linear-gradient(135deg, var(--indigo-500) 0%, var(--purple-500) 100%);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 3rem;

  /* Radius */
  --radius: 12px;
  --radius-full: 999px;

  /* Shadow */
  --shadow: 0 10px 30px rgba(0,0,0,0.25);

  /* Container */
  --container: 1120px;
}

@media (max-width: 480px) {
  .lead-actions { flex-direction: row; }
}

/* Base */
* { box-sizing: border-box; }
/* Enable smooth anchor scrolling and reserve space for sticky header */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(79,70,229,0.25), transparent 60%) ,
              radial-gradient(1000px 600px at 110% -20%, rgba(147,51,234,0.2), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
/* Force hidden elements to be hidden regardless of other display rules */
[hidden] { display: none !important; }

/* Spacing between tabs and the form below */
nav.steps.tabs { margin-bottom: 1rem; }

/* Accessibility helpers */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section { padding: var(--space-8) 0; }
.section-title {
  font-family: 'Poppins', ui-sans-serif, system-ui;
  font-weight: 700;
  font-size: clamp(1.25rem, 1rem + 1.2vw, 2rem);
  margin: 0 0 var(--space-6);
}

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10,11,18,0.6);
  border-bottom: 1px solid var(--border);
  /* Small visual separation from the content below */
  margin-bottom: var(--space-3);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  /* Slightly taller header to breathe */
  padding: var(--space-5) 0;
}
.logo { display: inline-flex; align-items: center; gap: var(--space-3); font-weight: 600; }
.logo img { height: 40px; width: auto; border-radius: 6px; }
/* Extra side padding only for the header container */
.header .container { padding-inline: var(--space-6); }

/* Mobile: hide brand text and header CTA, keep only logo icon and menu */
.logo span { display: none; }
.header .btn.btn-whatsapp { display: none; }

.nav-toggle { display: inline-flex; align-items: center; justify-content: center; background: none; border: 1px solid var(--border); border-radius: var(--radius); width: 42px; height: 42px; color: var(--text); }
.hamburger { width: 20px; height: 2px; background: var(--text); position: relative; }
.hamburger::before,.hamburger::after{ content:""; position: absolute; left:0; right:0; height:2px; background: var(--text);} 
.hamburger::before{ top:-6px;} .hamburger::after{ top:6px;}

.nav-list { list-style:none; margin:0; padding:0; display:none; }
.nav-list.open { display:block; position: absolute; left:0; right:0; top:64px; background: rgba(12,13,20,0.96); border-bottom: 1px solid var(--border); padding: var(--space-4) var(--space-5); }
.nav-list li { margin: 0; }
.nav-link { display:block; padding: var(--space-3) 0; color: var(--muted); }
.nav-link:hover { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; 
  padding: .8rem 1.1rem; border-radius: var(--radius-full); border: 1px solid transparent; font-weight: 600; 
  transition: transform .06s ease, filter .2s ease, background .2s ease, border .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid rgba(79,70,229,0.6); outline-offset: 2px; }

.btn-primary { background: var(--indigo-500); color: white; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.25); }
.btn-whatsapp { background: var(--indigo-500); color: #fff; }
.btn-whatsapp:hover { filter: brightness(1.05); }
.btn-lg { padding: 1rem 1.25rem; font-size: 1.05rem; }

/* Forms */
.form { display: block; }
.grid-2 { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.field { display: block; }
.label { display: inline-block; margin-bottom: .4rem; font-weight: 600; }
.help { display:block; color: var(--muted); font-size: .9rem; margin-top: .35rem; }
.input, .textarea, select.input {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem .9rem;
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .textarea:focus, select.input:focus { outline: none; border-color: rgba(147,51,234,0.5); box-shadow: 0 0 0 3px rgba(147,51,234,0.15); }

/* Option grids (checkbox cards) */
.option-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
label.option { display:flex; align-items:center; gap: .6rem; background: var(--surface); border:1px solid var(--border); border-radius: var(--radius); padding: .7rem .9rem; cursor: pointer; user-select: none; transition: border-color .2s ease, box-shadow .2s ease, transform .06s ease; }
label.option:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-1px); }
label.option:has(input:focus-visible) { outline: 2px solid rgba(147,51,234,0.5); outline-offset: 2px; }
label.option input[type="checkbox"] { accent-color: var(--indigo-500); width: 18px; height: 18px; }
.inline-actions { display:flex; gap: .5rem; flex-wrap: wrap; margin-top: .5rem; }

/* Palette preview */
.palette-preview { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); }
.palette-preview-inner { display: grid; gap: var(--space-3); }
.palette-swatches { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: var(--space-3); }
.palette-swatches .swatch { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4) var(--space-3); text-align: center; font-weight: 600; color: var(--text); }
.palette-swatches .swatch::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius); background: var(--sw, #333); opacity: .2; }
.palette-swatches .swatch { box-shadow: inset 0 0 0 9999px color-mix(in oklab, var(--sw, #333) 24%, transparent); }

/* Tabs (steps as tabs) */
.tabs { display:flex; align-items:center; gap: .5rem; flex-wrap: wrap; margin-top: var(--space-4); }
.tabs .tab { display:inline-flex; align-items:center; gap: .5rem; padding: .4rem .7rem; border:1px solid var(--border); border-radius: var(--radius-full); color: var(--muted); background: rgba(255,255,255,0.02); transition: background .2s ease, border-color .2s ease, color .2s ease, transform .06s ease; }
.tabs .tab:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-1px); color: var(--text); }
.tabs .tab:focus-visible { outline: 2px solid rgba(147,51,234,0.6); outline-offset: 2px; }
.tabs .tab .dot { display:inline-flex; align-items:center; justify-content:center; width: 24px; height: 24px; border-radius: var(--radius-full); background: rgba(255,255,255,0.08); font-weight: 700; font-size: .9rem; }
.tabs .tab.is-active { color: #fff; border-color: rgba(79,70,229,0.6); background: linear-gradient(180deg, rgba(79,70,229,0.15), rgba(147,51,234,0.10)); }
.tabs .tab.is-active .dot { background: var(--indigo-500); }

/* Hero */
.hero { padding: calc(var(--space-8) + 32px) 0 calc(var(--space-8) + var(--space-4)); position: relative; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: var(--space-7); align-items: center; position: relative; z-index: 1; }
.hero-copy h1 {
  font-family: 'Poppins', ui-sans-serif, system-ui;
  font-weight: 700; line-height: 1.1;
  font-size: clamp(1.6rem, 1.2rem + 2.2vw, 3rem);
  margin: 0 0 var(--space-4);
}
.hero-copy p { color: var(--muted); margin: 0 0 var(--space-6); }
.lead-capture { display: grid; grid-template-columns: 1fr; gap: var(--space-3); align-items: center; margin: 0 0 var(--space-5); }
.lead-capture .input { height: 44px; }
.lead-capture .btn { height: 44px; white-space: nowrap; }
.lead-capture .help { grid-column: 1 / -1; }
.lead-actions { display: flex; gap: var(--space-3); flex-wrap: nowrap; }
.lead-actions .btn { flex: 1 1 0; min-width: 0; }
.hero-ctas { display:flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-3); }
.hero-metrics { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-3); margin-top: var(--space-6); }
.metric-card { background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: var(--space-5); text-align: center; }
.metric { font-family: 'Poppins'; font-weight:700; font-size: 1.4rem; }
.label { color: var(--muted); font-size:.9rem; }
.hero-art { height: 180px; position: relative; }
.gradient-blob { position:absolute; inset:0; border-radius: var(--radius); background: var(--gradient); filter: blur(40px); opacity: .3; animation: float 8s ease-in-out infinite; z-index: 0; pointer-events: none; }
@keyframes float {
  0% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-6px) scale(1.02); }
  100% { transform: translateY(0) scale(1); }
}

/* Cards and grids */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-5); box-shadow: var(--shadow); transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.16); box-shadow: 0 16px 40px rgba(0,0,0,0.35); }
.benefit h3 { margin: 0 0 .5rem; font-family: 'Poppins'; font-weight:700; }
.benefit p { margin: 0; color: var(--muted); }
.highlights-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }

/* Carousel */
.carousel { position: relative; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: 85%; gap: var(--space-4); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: var(--space-3); }
.carousel-track > * { scroll-snap-align: start; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: var(--radius-full); border:1px solid var(--border); background: rgba(0,0,0,0.25); color: var(--text); display: none; }
.carousel-btn.prev { left: -6px; }
.carousel-btn.next { right: -6px; }
/* Scrollbar styling */
.carousel-track::-webkit-scrollbar { height: 8px; }
.carousel-track::-webkit-scrollbar-track { background: transparent; }
.carousel-track::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 8px; }
.carousel-track { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.15) transparent; }

/* Pricing */
.pricing-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.price-card { position: relative; background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6); box-shadow: var(--shadow); transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease; overflow: visible; }
.price-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.16); box-shadow: 0 18px 50px rgba(0,0,0,0.38); }
.price-card header h3 { margin: 0; font-family: 'Poppins'; font-size: 1.1rem; }
.price-card .subtitle { margin: .25rem 0 1rem; color: var(--muted); font-size: .95rem; }
.price-block { display: flex; align-items: baseline; gap: .35rem; margin: .25rem 0 var(--space-4); }
.price-block .currency { font-weight: 700; opacity: .9; }
.price-block .amount { font-family: 'Poppins'; font-weight: 700; font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.4rem); letter-spacing: -0.02em; }
.price-block .period { color: var(--muted); font-size: .9rem; }
.price-card .features { list-style: none; margin: var(--space-4) 0; padding: 0; color: var(--muted); }
.price-card .features li { padding: .35rem 0 .35rem 1.4rem; position: relative; }
.price-card .features li::before { content: "✓"; position: absolute; left: 0; top: .1rem; width: 1rem; height: 1rem; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: #18a34a; }
.price-card .actions { margin-top: var(--space-5); }
.btn-block { display: inline-flex; width: 100%; }
.price-card.recommended { border-color: rgba(79,70,229,0.6); position: relative; background: linear-gradient(180deg, rgba(79,70,229,0.10), rgba(147,51,234,0.06)); }
.price-card.recommended::after { content:""; position:absolute; inset:0; border-radius: var(--radius); padding:1px; background: var(--gradient); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; pointer-events: none; }
.price-card.recommended:hover { box-shadow: 0 22px 60px rgba(79,70,229,0.2); }
.badge { position:absolute; top: -10px; right: 12px; background: var(--indigo-500); color:#fff; padding: .25rem .5rem; border-radius: var(--radius-full); font-size: .75rem; font-weight: 700; z-index: 3; }

/* Portfolio */
.portfolio-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.link-card { text-align:center; font-weight:600; background: transparent; border:1px dashed var(--border); }
.link-card:hover { border-color: rgba(255,255,255,0.25); }

/* Testimonials */
.testimonials-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.testimonial { position: relative; overflow: hidden; }
.testimonial::before { content: "\201C"; position: absolute; top: -10px; left: 10px; font-size: 4rem; line-height: 1; color: rgba(255,255,255,0.06); pointer-events: none; }
.testimonial .rating { color: #f59e0b; letter-spacing: 1px; margin-bottom: .5rem; font-size: .95rem; }
.testimonial blockquote { margin: 0 0 .5rem; font-size: 1.05rem; }
.testimonial figcaption { color: var(--muted); }

/* Accordion */
.accordion details { background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: var(--space-4) var(--space-5); }
.accordion details + details { margin-top: var(--space-3); }
.accordion summary { cursor: pointer; list-style: none; font-weight: 600; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "▾"; margin-left: .5rem; transition: transform .2s ease; opacity: .7; }
details[open] > summary::after { transform: rotate(180deg); }
.accordion p { color: var(--muted); margin: .5rem 0 0; }

/* Final CTA */
.final-cta { padding: var(--space-8) 0 var(--space-8); background: radial-gradient(800px 300px at 50% -20%, rgba(147,51,234,0.2), transparent 60%); }
.final-cta-inner { text-align: center; }
.final-cta h2 { font-family: 'Poppins'; font-weight: 700; margin: 0 0 var(--space-4); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: var(--space-6) 0; color: var(--muted); }
.footer-inner { display:flex; flex-direction: column; gap: var(--space-3); align-items: center; justify-content: space-between; }
.footer-nav { display:flex; gap: var(--space-4); flex-wrap: wrap; }
.footer-nav a { color: var(--muted); }
.footer-nav a:hover { color: var(--text); }

/* Floating WhatsApp Button */
.whatsapp-button {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--wa-500);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
  transition: transform .15s ease, filter .2s ease, box-shadow .2s ease;
}
.whatsapp-button:hover { transform: scale(1.06); filter: brightness(1.05); box-shadow: 0 14px 34px rgba(0,0,0,0.45); }
.whatsapp-button:active { transform: scale(0.98); }
.whatsapp-button:focus-visible { outline: 3px solid rgba(34,197,94,0.6); outline-offset: 3px; }
.whatsapp-button svg { width: 28px; height: 28px; fill: currentColor; }

@media (min-width: 768px) {
  .whatsapp-button { right: 24px; bottom: 24px; width: 60px; height: 60px; }
  .whatsapp-button svg { width: 32px; height: 32px; }
}

/* Focus styles for links */
.nav-link:focus-visible, .footer-nav a:focus-visible, .link { outline: 2px solid rgba(147,51,234,0.6); outline-offset: 2px; border-radius: 6px; }

/* Cookie banner */
.cookie-banner { position: fixed; bottom: 12px; left: 0; right: 0; }
.cookie-inner { background: var(--surface); border:1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); display: flex; gap: var(--space-4); align-items: center; justify-content: space-between; }
.cookie-inner p { margin: 0; color: var(--muted); }

/* Media queries */
@media (min-width: 768px) {
  .nav-list { display:flex; gap: var(--space-5); position: static; background: transparent; border:0; padding:0; }
  .nav-toggle { display: none; }
  .hero-inner { grid-template-columns: 1.15fr .85fr; }
  .logo img { height: 48px; width: auto; }
  .header .container { padding-inline: var(--space-7); }
  /* Desktop/tablet: show brand text and header CTA again */
  .logo span { display: inline; }
  .header .btn.btn-whatsapp { display: inline-flex; }
  .carousel-track { grid-auto-columns: 45%; }
  .pricing-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .portfolio-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .carousel-btn { display: inline-flex; }
  .footer-inner { flex-direction: row; }
  .testimonials-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .highlights-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .option-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (min-width: 1024px) {
  /* Slightly larger header on desktop, adjust anchor offset */
  html { scroll-padding-top: 96px; }
  .hero { padding-top: calc(var(--space-8) + 48px); }
  .carousel-track { grid-auto-columns: 33%; }
  .testimonials-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .option-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
}