/* =========================================================
   Melhor Digital Agency — Design tokens
   Navy #0A1128 · Ink #05070F · Blue #1E5FFF · Ice #6EC6FF
   White #FFFFFF · Slate #8B94A8
   ========================================================= */

:root {
  --c-ink: #05070F;
  --c-navy: #0A1128;
  --c-navy-2: #10193B;
  --c-blue: #1E5FFF;
  --c-blue-dark: #143FBF;
  --c-ice: #6EC6FF;
  --c-white: #FFFFFF;
  --c-off: #F4F7FC;
  --c-slate: #8B94A8;
  --c-slate-dark: #4B5468;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1160px;

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

* { box-sizing: border-box; }
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; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-navy);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-blue);
  color: #fff;
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--c-ice);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ice);
  margin-bottom: 0.9em;
}
.eyebrow-dark { color: var(--c-blue); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.95em 1.7em;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--c-blue), var(--c-ice));
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(30, 95, 255, 0.55);
}
.btn-primary:hover { box-shadow: 0 12px 32px -8px rgba(30, 95, 255, 0.7); }
.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-color: rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.14); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 7, 15, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo { height: 30px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: #E7ECF8; font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.main-nav a:hover { color: var(--c-ice); }
.nav-cta {
  background: var(--c-blue);
  color: #fff !important;
  padding: 0.55em 1.2em;
  border-radius: 999px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: #fff; display: block; }
.mobile-nav {
  flex-direction: column;
  padding: 8px 24px 20px;
  background: rgba(5,7,15,0.97);
}
.mobile-nav a { padding: 12px 0; color: #E7ECF8; border-bottom: 1px solid rgba(255,255,255,0.08); }
.mobile-nav .nav-cta { text-align: center; margin-top: 10px; border-bottom: none; }

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--c-ink);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 20% 20%, rgba(30,95,255,0.35), transparent 60%),
    linear-gradient(180deg, rgba(5,7,15,0.55) 0%, rgba(5,7,15,0.75) 55%, var(--c-ink) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 140px 24px 100px;
  color: #fff;
  max-width: 780px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  color: #fff;
}
.hero-subtitle {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: #C6D0E6;
  max-width: 620px;
  margin-bottom: 2em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 999px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  background: var(--c-ice);
  border-radius: 999px;
  transform: translateX(-50%);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { opacity: 1; top: 6px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 20px; }
}

/* ---------- Sections ---------- */
.section { padding: 110px 24px; }
.section-inner { max-width: var(--container); margin: 0 auto; }
.section-inner-narrow { max-width: 760px; }
.section-dark { background: var(--c-navy); color: #fff; }
.section-dark h2 { color: #fff; }
.section-lede {
  font-size: 1.08rem;
  color: var(--c-slate-dark);
  max-width: 600px;
  margin-bottom: 3em;
}
.section-dark .section-lede { color: #B7C2DB; }

h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }

/* ---------- Pipeline (signature element) ---------- */
.pipeline-section { background: var(--c-off); }
.pipeline {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}
.pipeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-blue), var(--c-ice));
  background-size: 200% 100%;
  animation: flow 6s linear infinite;
  z-index: 0;
}
@keyframes flow {
  0% { background-position: 0% 0; }
  100% { background-position: -200% 0; }
}
.pipeline-step {
  position: relative;
  z-index: 1;
  padding: 0 14px;
  text-align: left;
}
.pipeline-node {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 0 0 6px var(--c-off), 0 10px 24px -8px rgba(10,17,40,0.4);
}
.pipeline-mark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--c-ice);
}
.pipeline-step h3 { font-size: 1rem; margin-bottom: 0.4em; }
.pipeline-step p { font-size: 0.9rem; color: var(--c-slate-dark); margin: 0; }

@media (max-width: 980px) {
  .pipeline { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .pipeline::before { display: none; }
}
@media (max-width: 560px) {
  .pipeline { grid-template-columns: 1fr 1fr; }
}

/* ---------- Cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--c-white);
  border: 1px solid #E7ECF8;
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(10,17,40,0.25);
  border-color: var(--c-ice);
}
.card h3 { margin-bottom: 0.5em; font-size: 1.05rem; }
.card p { color: var(--c-slate-dark); font-size: 0.94rem; margin: 0; }

@media (max-width: 860px) { .cards-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cards-grid { grid-template-columns: 1fr; } }

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.diff-item {
  border-top: 2px solid var(--c-blue);
  padding-top: 18px;
}
.diff-item h3 { color: #fff; }
.diff-item p { color: #B7C2DB; font-size: 0.94rem; margin: 0; }

@media (max-width: 860px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }

/* ---------- Plan card ---------- */
.plan-card {
  background: linear-gradient(160deg, var(--c-navy), var(--c-ink));
  color: #fff;
  border-radius: 20px;
  padding: 44px;
  box-shadow: 0 30px 60px -30px rgba(10,17,40,0.5);
}
.plan-header { margin-bottom: 26px; }
.plan-header h3 { color: #fff; font-size: 1.2rem; margin-bottom: 0.3em; }
.plan-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--c-ice);
  margin: 0;
}
.plan-currency { font-size: 1.3rem; vertical-align: top; margin-right: 4px; }
.plan-period { font-size: 1rem; color: #B7C2DB; font-family: var(--font-body); font-weight: 400; }
.plan-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.plan-list li {
  padding-left: 28px;
  position: relative;
  color: #DCE3F2;
  font-size: 0.96rem;
}
.plan-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-blue), var(--c-ice));
}
.plan-note {
  font-size: 0.82rem;
  color: var(--c-slate);
  margin-bottom: 26px;
}

/* ---------- Form ---------- */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row-full { grid-column: 1 / -1; }
.contact-form label { font-size: 0.85rem; color: #B7C2DB; }
.contact-form input,
.contact-form textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #7C88A6; }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--c-ice); }
.contact-form button { grid-column: 1 / -1; margin-top: 6px; }
.form-note { grid-column: 1 / -1; font-size: 0.85rem; color: var(--c-ice); min-height: 1.2em; margin: 0; }

@media (max-width: 640px) {
  .contact-form { grid-template-columns: 1fr; padding: 24px; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--c-ink); color: #B7C2DB; }
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p { font-size: 0.9rem; margin-top: 14px; color: #8B94A8; }
.footer-links, .footer-social { display: flex; flex-direction: column; gap: 10px; }
.footer-social p { color: #fff; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.footer-links a, .footer-social a { font-size: 0.92rem; color: #B7C2DB; transition: color 0.2s; }
.footer-links a:hover, .footer-social a:hover { color: var(--c-ice); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: #5C6580;
}
@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #1FBF5C;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px -10px rgba(31,191,92,0.6);
  transition: transform 0.25s var(--ease);
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}