/* ================================================================
   LLANA GROUP — Dark Design System
   Inspired by Afixdata.com.br aesthetic
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:          #0d1117;
  --bg-2:        #0f172a;
  --bg-card:     #131c2e;
  --bg-card-hov: #1a2540;
  --bg-up:       #1e293b;

  /* Brand */
  --blue:        #3b82f6;
  --blue-lt:     #60a5fa;
  --cyan:        #06b6d4;
  --cyan-lt:     #22d3ee;
  --purple:      #8b5cf6;
  --purple-lt:   #a78bfa;
  --green:       #10b981;
  --amber:       #f59e0b;

  /* Text */
  --tx:          #e2e8f0;
  --tx-muted:    #94a3b8;
  --tx-dim:      #64748b;
  --white:       #ffffff;

  /* Borders */
  --bdr:         rgba(148,163,184,.08);
  --bdr-blue:    rgba(59,130,246,.32);
  --bdr-cyan:    rgba(6,182,212,.32);
  --bdr-purple:  rgba(139,92,246,.32);

  /* Gradients */
  --g-bc:        linear-gradient(135deg, #3b82f6, #06b6d4);
  --g-pb:        linear-gradient(135deg, #8b5cf6, #3b82f6);
  --g-cb:        linear-gradient(135deg, #06b6d4, #3b82f6);

  /* Shadows */
  --sh-card:     0 4px 24px rgba(0,0,0,.45);
  --sh-blue:     0 0 32px rgba(59,130,246,.18);
  --sh-cyan:     0 0 32px rgba(6,182,212,.18);
  --sh-purple:   0 0 32px rgba(139,92,246,.18);

  /* Misc */
  --r-sm: 6px;  --r-md: 10px;  --r-lg: 14px;
  --r-xl: 20px; --r-2xl: 28px;
  --t: .2s ease; --t-slow: .45s ease;
  --hh: 68px;
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: var(--hh);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4,h5,h6 { color: var(--white); font-weight: 700; line-height: 1.2; }
button { font-family: inherit; cursor: pointer; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container--sm { max-width: 860px; }

/* ── BG PATTERNS ────────────────────────────────────────────── */
.bg-grid {
  background-image:
    linear-gradient(rgba(59,130,246,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.035) 1px, transparent 1px);
  background-size: 56px 56px;
}
.bg-dots {
  background-image: radial-gradient(rgba(148,163,184,.09) 1px, transparent 1px);
  background-size: 22px 22px;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  animation: orb-pulse 6s ease-in-out infinite;
}
@keyframes orb-pulse { 0%,100%{opacity:.6} 50%{opacity:1} }

/* ── TYPOGRAPHY UTILITIES ───────────────────────────────────── */
.gtext         { background: var(--g-bc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gtext-purple  { background: var(--g-pb); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gtext-cyan    { background: var(--g-cb); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--hh);
  background: rgba(13,17,23,.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--bdr);
  display: flex;
  align-items: center;
  transition: box-shadow var(--t-slow);
}
.site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.55); }
.header-inner { display: flex; align-items: center; gap: 1.5rem; width: 100%; }

/* Logo */
.logo { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.logo-mark {
  width: 34px; height: 34px;
  background: var(--g-bc);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: .82rem; color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,.38);
  flex-shrink: 0;
}
.logo-body { display: flex; flex-direction: column; line-height: 1; gap: .1rem; }
.logo-name { font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; color: var(--white); }
.logo-name em { color: var(--cyan); font-style: normal; }
.logo-unit { font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--tx-dim); }

/* Nav */
.main-nav { display: flex; align-items: center; gap: .15rem; margin-left: auto; }
.main-nav a {
  padding: .4rem .9rem;
  border-radius: var(--r-md);
  font-size: .875rem;
  font-weight: 500;
  color: var(--tx-muted);
  transition: background var(--t), color var(--t);
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,.06); color: var(--white); }
.nav-sep { width: 1px; height: 16px; background: var(--bdr); margin: 0 .25rem; }
.nav-back {
  font-size: .8rem !important;
  color: var(--tx-dim) !important;
  border: 1px solid var(--bdr);
  padding: .3rem .75rem !important;
}
.nav-back:hover { color: var(--cyan-lt) !important; border-color: var(--bdr-cyan) !important; background: rgba(6,182,212,.05) !important; }

.header-cta { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }

/* Mobile */
.menu-toggle {
  display: none; margin-left: auto;
  width: 40px; height: 40px;
  border: 1px solid var(--bdr);
  background: rgba(255,255,255,.04);
  border-radius: var(--r-md);
  flex-direction: column; justify-content: center; align-items: center; gap: 4px;
}
.menu-toggle span { width: 17px; height: 1.5px; background: var(--tx); border-radius: 2px; transition: transform var(--t), opacity var(--t); }
.menu-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-nav {
  display: none; flex-direction: column;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--bdr);
  background: rgba(9,13,22,.98);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: .75rem .5rem; color: var(--tx-muted); border-bottom: 1px solid var(--bdr); font-size: .95rem; }
.mob-cta { padding-top: 1.1rem; display: flex; flex-direction: column; gap: .65rem; }

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border-radius: var(--r-md);
  font-size: .875rem; font-weight: 600;
  border: 1.5px solid transparent;
  transition: all var(--t);
  white-space: nowrap;
  letter-spacing: .01em;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--g-bc); color: #fff; box-shadow: 0 4px 20px rgba(59,130,246,.28); }
.btn-primary:hover { box-shadow: 0 8px 32px rgba(59,130,246,.42); filter: brightness(1.06); }
.btn-outline { background: transparent; color: var(--tx); border-color: var(--bdr); }
.btn-outline:hover { border-color: var(--bdr-blue); color: var(--blue-lt); background: rgba(59,130,246,.05); }
.btn-ghost { background: rgba(255,255,255,.05); color: var(--tx); border-color: var(--bdr); }
.btn-ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.12); }
.btn-wa { background: linear-gradient(135deg,#25D366,#128C7E); color: #fff; box-shadow: 0 4px 20px rgba(37,211,102,.22); border: none; }
.btn-wa:hover { box-shadow: 0 8px 32px rgba(37,211,102,.38); }

.btn-sm { padding: .45rem 1rem; font-size: .8rem; }
.btn-lg { padding: .85rem 2rem; font-size: .95rem; border-radius: var(--r-lg); }
.btn-xl { padding: 1rem 2.25rem; font-size: 1rem; border-radius: var(--r-lg); }
.btn-full { width: 100%; }

/* ── BADGES ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .8rem;
  border-radius: 99px;
  font-size: .7rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  border: 1px solid;
}
.badge-blue   { background: rgba(59,130,246,.1);   color: var(--blue-lt);   border-color: rgba(59,130,246,.2); }
.badge-cyan   { background: rgba(6,182,212,.1);    color: var(--cyan-lt);   border-color: rgba(6,182,212,.2); }
.badge-purple { background: rgba(139,92,246,.1);   color: var(--purple-lt); border-color: rgba(139,92,246,.2); }
.badge-green  { background: rgba(16,185,129,.1);   color: #34d399;          border-color: rgba(16,185,129,.2); }
.badge-amber  { background: rgba(245,158,11,.1);   color: #fbbf24;          border-color: rgba(245,158,11,.2); }

/* ── CARDS ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bdr);
  border-radius: var(--r-xl);
  padding: 2rem;
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}
.card:hover { border-color: var(--bdr-blue); box-shadow: var(--sh-blue); transform: translateY(-3px); }
.card-cyan:hover  { border-color: var(--bdr-cyan);   box-shadow: var(--sh-cyan); }
.card-purple:hover { border-color: var(--bdr-purple); box-shadow: var(--sh-purple); }

/* ── ICON BOX ───────────────────────────────────────────────── */
.icon-box {
  width: 48px; height: 48px;
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-bottom: 1.25rem;
}
.icon-box-blue   { background: rgba(59,130,246,.12);  border: 1px solid rgba(59,130,246,.2); }
.icon-box-cyan   { background: rgba(6,182,212,.12);   border: 1px solid rgba(6,182,212,.2); }
.icon-box-purple { background: rgba(139,92,246,.12);  border: 1px solid rgba(139,92,246,.2); }
.icon-box-green  { background: rgba(16,185,129,.12);  border: 1px solid rgba(16,185,129,.2); }
.icon-box-amber  { background: rgba(245,158,11,.12);  border: 1px solid rgba(245,158,11,.2); }

/* ── SECTIONS ───────────────────────────────────────────────── */
.section     { padding: 5.5rem 0; }
.section--sm { padding: 3rem 0; }
.section--lg { padding: 7.5rem 0; }
.section-dark { background: var(--bg-2); }

.section-header { text-align: center; max-width: 680px; margin: 0 auto 3.5rem; }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); margin: .75rem 0 1rem; }
.section-header p { color: var(--tx-muted); font-size: 1.05rem; line-height: 1.7; }

/* ── DIVIDER ────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bdr) 15%, rgba(59,130,246,.12) 50%, var(--bdr) 85%, transparent);
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer { background: #07090f; border-top: 1px solid var(--bdr); padding: 3.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; }
.footer-col h5 { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--tx-dim); font-weight: 600; margin-bottom: .85rem; }
.footer-col a { display: block; font-size: .85rem; color: var(--tx-muted); padding: .2rem 0; transition: color var(--t); }
.footer-col a:hover { color: var(--blue-lt); }
.footer-col p { font-size: .85rem; color: var(--tx-muted); line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid var(--bdr);
  padding: 1.25rem 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .78rem; color: var(--tx-dim);
  flex-wrap: wrap; gap: .5rem;
}
.footer-bottom a { color: var(--tx-dim); transition: color var(--t); }
.footer-bottom a:hover { color: var(--blue-lt); }

/* ── ANIMATIONS ─────────────────────────────────────────────── */
.reveal   { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal-l { opacity: 0; transform: translateX(-26px); transition: opacity .6s ease, transform .6s ease; }
.reveal-r { opacity: 0; transform: translateX(26px);  transition: opacity .6s ease, transform .6s ease; }
.fade     { opacity: 0; transition: opacity .6s ease; }
.reveal.vis, .reveal-l.vis, .reveal-r.vis, .fade.vis { opacity: 1; transform: none; }

@keyframes float   { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes spin    { to{transform:rotate(360deg)} }
@keyframes wa-ring { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.4)} 70%{box-shadow:0 0 0 14px rgba(37,211,102,0)} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0)} }
.float { animation: float 5s ease-in-out infinite; }

/* ── WHATSAPP FLOAT ─────────────────────────────────────────── */
.wa-float { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; }
.wa-btn {
  width: 56px; height: 56px;
  background: linear-gradient(135deg,#25D366,#128C7E);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.55rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.35);
  transition: transform var(--t);
  animation: wa-ring 2.5s infinite;
}
.wa-btn:hover { transform: scale(1.1); }
.wa-tip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
  background: var(--bg-up); border: 1px solid var(--bdr);
  color: var(--tx); padding: .38rem .8rem;
  border-radius: var(--r-md); font-size: .78rem; font-weight: 500;
  white-space: nowrap; opacity: 0; transition: opacity var(--t); pointer-events: none;
}
.wa-float:hover .wa-tip { opacity: 1; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  :root { --hh: 62px; }
  .main-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 4rem 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: .4rem; text-align: center; }
}