/* ==========================================================================
   R2 Conecta — Design System
   Tema: escuro premium, gradientes azul/ciano da marca
   ========================================================================== */

:root {
  --bg:        #0a0f1c;
  --bg-2:      #0e1526;
  --surface:   #121a2e;
  --surface-2: #16203a;
  --border:    rgba(255,255,255,0.08);
  --border-2:  rgba(79,195,247,0.28);

  --text:      #eef3fb;
  --muted:     #9fb0cc;
  --faint:     #6b7a96;

  --brand:     #4fc3f7;
  --brand-2:   #1e88e5;
  --brand-3:   #1565c0;
  --accent:    #22d3ee;

  --grad:      linear-gradient(135deg, #4fc3f7 0%, #1565c0 100%);
  --grad-soft: linear-gradient(135deg, rgba(79,195,247,.16), rgba(21,101,192,.10));

  --radius:    18px;
  --radius-sm: 12px;
  --shadow:    0 24px 60px -20px rgba(0,0,0,.65);
  --shadow-glow: 0 0 0 1px rgba(79,195,247,.15), 0 30px 60px -25px rgba(30,136,229,.45);

  --maxw:      1160px;
  --ease:      cubic-bezier(.4,0,.2,1);
  --font:      'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --serif:     'Playfair Display', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* subtle ambient glow background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(700px 500px at 12% -5%, rgba(30,136,229,.22), transparent 60%),
    radial-gradient(600px 500px at 95% 0%, rgba(34,211,238,.12), transparent 55%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand);
  padding: 7px 14px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  background: var(--grad-soft);
}

h1, h2, h3 { line-height: 1.12; font-weight: 800; letter-spacing: -.02em; }

.display {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
}
.script {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
}
.lead { color: var(--muted); font-size: 1.08rem; max-width: 62ch; }
.text-muted { color: var(--muted); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,28,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background .3s var(--ease);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav .logo img { height: 34px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  position: relative;
  padding: 9px 16px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 10px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}
.nav-cta {
  padding: 10px 20px !important;
  color: #041018 !important;
  background: var(--grad);
  font-weight: 700 !important;
  border-radius: 100px !important;
}
.nav-cta:hover { filter: brightness(1.08); transform: translateY(-1px); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px; height: 44px;
  cursor: pointer;
  color: var(--text);
  font-size: 1.4rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: .98rem;
  padding: 15px 30px;
  border-radius: 100px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), filter .2s var(--ease);
}
.btn-primary {
  background: var(--grad);
  color: #041018;
  box-shadow: 0 14px 30px -10px rgba(30,136,229,.6);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 20px 40px -12px rgba(30,136,229,.7); }
.btn-ghost {
  background: rgba(255,255,255,.04);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--border-2); background: rgba(255,255,255,.07); transform: translateY(-2px); }

/* ---------- Sections ---------- */
section { position: relative; }
.pad { padding: 96px 0; }
.pad-sm { padding: 64px 0; }

/* Hero */
.hero {
  position: relative;
  padding: 120px 0 100px;
  text-align: center;
}
.hero .lead { margin: 0 auto; text-align: center; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 38px; }

.page-hero {
  padding: 90px 0 40px;
  text-align: center;
}
.page-hero .lead { margin: 18px auto 0; text-align: center; }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 70px;
}
.stat {
  padding: 28px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}
.stat .num {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .label { color: var(--muted); font-size: .9rem; margin-top: 4px; }

/* Section head */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head .lead { margin: 16px auto 0; }

/* ---------- Vehicle cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-2);
  box-shadow: var(--shadow-glow);
}
.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #fff;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card-media img { transform: scale(1.05); }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.22rem; margin-bottom: 6px; }
.card-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.card-body p { color: var(--muted); font-size: .95rem; }

/* ---------- Feature / two-col ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split .lead { margin-top: 20px; }
.feature-list { list-style: none; margin-top: 28px; display: grid; gap: 16px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-ico {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--grad-soft);
  border: 1px solid var(--border-2);
  color: var(--brand);
  font-size: 1.1rem;
}
.feature-list li strong { display: block; font-size: 1rem; }
.feature-list li span { color: var(--muted); font-size: .93rem; }

.media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--surface);
}
.media-frame img { width: 100%; }

/* ---------- Logo strip ---------- */
.logos {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  margin-top: 40px;
}
.logos .chip {
  height: 84px; width: 128px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.logos .chip img { width: 100%; height: 100%; object-fit: cover; }
.logos .chip:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  background: var(--grad);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.cta-band::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 80% 120%, rgba(255,255,255,.25), transparent 60%);
}
.cta-band h2 { color: #041018; position: relative; }
.cta-band p { color: rgba(4,16,24,.8); position: relative; margin: 12px auto 28px; max-width: 52ch; }
.cta-band .btn {
  background: #041018; color: #fff; position: relative;
}
.cta-band .btn:hover { background: #0a1424; }

/* ---------- Timeline (Quem Somos) ---------- */
.timeline { position: relative; margin-top: 20px; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--brand), transparent);
}
.timeline .item { position: relative; padding: 0 0 30px 22px; }
.timeline .item::before {
  content: ""; position: absolute; left: -28px; top: 5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 0 4px rgba(79,195,247,.15);
}
.timeline .item h4 { font-size: 1.05rem; }
.timeline .item p { color: var(--muted); font-size: .94rem; }

/* ---------- Brand tags (experiência) ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag {
  padding: 8px 16px;
  border-radius: 100px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.tag:hover { border-color: var(--border-2); transform: translateY(-2px); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.info-block { display: grid; gap: 22px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item .feature-ico { width: 46px; height: 46px; }
.info-item h4 { font-size: 1rem; }
.info-item p { color: var(--muted); font-size: .95rem; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 8px; font-weight: 500; }
.field input, .field textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: .98rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(79,195,247,.15);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: .82rem; color: var(--faint); margin-top: 10px; }

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 26px;
}
.map-frame iframe { display: block; width: 100%; height: 260px; border: 0; filter: grayscale(.3) invert(.9) hue-rotate(180deg); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 60px 0 34px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-grid img { height: 34px; margin-bottom: 18px; }
.footer-grid p { color: var(--muted); font-size: .93rem; max-width: 40ch; }
.footer-col h5 { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--faint); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: .95rem; padding: 5px 0; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--brand); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px; color: var(--faint); font-size: .86rem; flex-wrap: wrap; gap: 10px;
}

/* ---------- Reveal on scroll (progressive enhancement) ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split .media-frame { order: -1; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    gap: 4px; padding: 16px 24px 24px;
    background: rgba(10,15,28,.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-14px);
    opacity: 0; pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { padding: 12px 14px; }
  .nav-links a.active::after { display: none; }
  .pad { padding: 68px 0; }
  .cta-band { padding: 48px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}