/* ══════════════════════════════════════════════
   MARANATA DIGITAL — Design System
   Agência de Tráfego Pago & Mídias Sociais
   ══════════════════════════════════════════════ */

:root {
  /* Colors */
  --color-primary: #FF5C39;
  --color-primary-hover: #FF7A5C;
  --color-secondary: #7C3AED;
  --color-accent: #CFFF04;
  --color-bg: #0A0A0F;
  --color-bg-alt: #131318;
  --color-bg-card: #17171D;
  --color-text: #F5F5F7;
  --color-text-muted: #9A9AA5;
  --color-border: rgba(255, 255, 255, 0.09);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Work Sans', sans-serif;

  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.25rem;
  --text-hero: clamp(2.6rem, 6vw, 5.25rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-section: clamp(4rem, 8vw, 7rem);

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(255, 92, 57, 0.4), 0 12px 40px rgba(255, 92, 57, 0.18);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;
}

/* ══════════ RESET ══════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-weight: 400;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: var(--color-primary); color: #0A0A0F; }

/* ══════════ TYPOGRAPHY ══════════ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
}
h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
p { max-width: 62ch; color: var(--color-text-muted); }
.text-body { color: var(--color-text); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.gradient-text {
  background: linear-gradient(100deg, var(--color-primary) 10%, var(--color-accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ══════════ LAYOUT ══════════ */
.container { max-width: 1200px; margin: 0 auto; width: 100%; padding: 0 var(--space-lg); }
.narrow { max-width: 760px; }
section { padding: var(--space-section) 0; position: relative; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 640px; margin-bottom: var(--space-2xl); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

@media (min-width: 768px) {
  .grid { display: grid; gap: var(--space-xl); }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.grid { display: grid; gap: var(--space-lg); grid-template-columns: 1fr; }

/* ══════════ ATMOSPHERIC BACKGROUND ══════════ */
.hero-bg { position: relative; overflow: hidden; }
.hero-bg::before {
  content: '';
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 130%;
  background:
    radial-gradient(ellipse 60% 50% at 15% 20%, color-mix(in srgb, var(--color-primary) 22%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 85% 15%, color-mix(in srgb, var(--color-secondary) 26%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 50% 100%, color-mix(in srgb, var(--color-accent) 10%, transparent) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}
.hero-bg > * { position: relative; z-index: 1; }

.section-divider {
  height: 80px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  margin-top: -1px;
}

/* ══════════ NAVBAR ══════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--duration-base) var(--ease-out), padding var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo span { color: var(--color-primary); }
.nav-links { display: none; align-items: center; gap: var(--space-2xl); }
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}
.nav-cta { display: none; }
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out);
}
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px);
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), visibility var(--duration-base);
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu a { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* ══════════ BUTTONS ══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: #0A0A0F; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-outline { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-outline:hover { border-color: var(--color-text); transform: translateY(-2px); }
.btn-lg { padding: 1.15rem 2.25rem; font-size: var(--text-lg); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-xl); }

/* ══════════ HERO ══════════ */
.hero { padding-top: calc(var(--space-section) + 4rem); padding-bottom: var(--space-section); }
.hero-content { max-width: 780px; }
.hero h1 { margin-bottom: var(--space-lg); }
.hero .lead { font-size: var(--text-lg); max-width: 560px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}
@media (min-width: 768px) { .hero-stats { grid-template-columns: repeat(4, 1fr); } }
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
  display: block;
}
.stat-label { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ══════════ CARDS ══════════ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border)); box-shadow: var(--shadow-md); }
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}
.card h3 { margin-bottom: var(--space-sm); }
.card p { font-size: var(--text-sm); margin-bottom: 0; }

.card-featured {
  background: linear-gradient(160deg, color-mix(in srgb, var(--color-primary) 14%, var(--color-bg-card)), var(--color-bg-card));
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
}

/* Bento offset for asymmetry */
@media (min-width: 768px) {
  .bento-3 { grid-template-columns: repeat(3, 1fr); }
  .bento-3 .card:first-child { grid-row: span 2; display: flex; flex-direction: column; justify-content: center; }
}

/* ══════════ STEPS / PROCESS ══════════ */
.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}
.step:last-child { border-bottom: none; }
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-text-muted);
  line-height: 1;
  min-width: 64px;
}
.step:hover .step-number { -webkit-text-stroke: 1.5px var(--color-primary); color: transparent; transition: -webkit-text-stroke var(--duration-base) var(--ease-out); }

/* ══════════ TESTIMONIALS ══════════ */
.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}
.testimonial .stars { color: var(--color-accent); letter-spacing: 2px; margin-bottom: var(--space-md); font-size: var(--text-lg); }
.testimonial blockquote { color: var(--color-text); font-size: var(--text-lg); font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; margin-bottom: var(--space-lg); }
.testimonial-author { display: flex; align-items: center; gap: var(--space-md); }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm);
  flex-shrink: 0;
}
.author-name { font-weight: 600; color: var(--color-text); font-size: var(--text-sm); }
.author-role { font-size: 0.8rem; color: var(--color-text-muted); }

/* ══════════ BADGES / TAGS ══════════ */
.badge {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.badge-accent { background: color-mix(in srgb, var(--color-accent) 15%, transparent); color: var(--color-accent); border-color: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* ══════════ FAQ ACCORDION ══════════ */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  background: none;
  border: none;
  padding: var(--space-lg) 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.faq-icon { flex-shrink: 0; font-size: 1.5rem; color: var(--color-primary); transition: transform var(--duration-base) var(--ease-out); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--duration-base) var(--ease-out); }
.faq-answer p { padding-bottom: var(--space-lg); font-size: var(--text-base); }

/* ══════════ FORMS ══════════ */
.form-group { margin-bottom: var(--space-lg); }
.form-group label { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: 0.5rem; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; gap: var(--space-lg); }
@media (min-width: 640px) { .form-row.two { grid-template-columns: 1fr 1fr; } }
.form-hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.4rem; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; }

.alert { padding: var(--space-md) var(--space-lg); border-radius: var(--radius-sm); margin-bottom: var(--space-xl); font-size: var(--text-sm); }
.alert-success { background: color-mix(in srgb, var(--color-accent) 15%, transparent); border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent); color: var(--color-accent); }
.alert-error { background: color-mix(in srgb, var(--color-primary) 15%, transparent); border: 1px solid color-mix(in srgb, var(--color-primary) 40%, transparent); color: var(--color-primary-hover); }

/* ══════════ CTA BANNER ══════════ */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 20%, var(--color-bg-card)), color-mix(in srgb, var(--color-secondary) 25%, var(--color-bg-card)));
  border: 1px solid var(--color-border);
}
.cta-banner h2 { margin-bottom: var(--space-md); }
.cta-banner p { margin: 0 auto var(--space-xl); }

/* ══════════ FOOTER ══════════ */
footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding: var(--space-3xl) 0 var(--space-xl); }
.footer-grid { display: grid; gap: var(--space-2xl); grid-template-columns: 1fr; margin-bottom: var(--space-2xl); }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand p { font-size: var(--text-sm); margin-top: var(--space-md); }
.footer-col h4 { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-md); color: var(--color-text); }
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a { font-size: var(--text-sm); color: var(--color-text-muted); transition: color var(--duration-fast); }
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }
.social-row { display: flex; gap: var(--space-md); }
.social-row a {
  width: 36px; height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--duration-base) var(--ease-out);
  font-size: 0.9rem;
}
.social-row a:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-3px); }

/* ══════════ PAGE HEADER (inner pages) ══════════ */
.page-header { padding-top: calc(var(--space-section) + 4rem); padding-bottom: var(--space-2xl); }
.page-header h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }

/* ══════════ SCROLL REVEAL ══════════ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ══════════ UTILITIES ══════════ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Skip link (accessibility) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #0A0A0F;
  padding: 0.75rem 1.5rem;
  z-index: 200;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}