/* ============================================================
   Anttech — Custom Styles
   ============================================================ */

:root {
  --primary:   #6B3DF5;
  --secondary: #8B5CF6;
  --accent:    #A78BFA;
  --bg:        #0B0B14;
  --surface:   #111118;
  --surface2:  #16161f;
  --border:    rgba(107, 61, 245, 0.18);
  --border2:   rgba(255, 255, 255, 0.06);
}

html { scroll-behavior: smooth; }

* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--surface);
}
*::-webkit-scrollbar       { width: 5px; }
*::-webkit-scrollbar-track { background: var(--surface); }
*::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Container único ───────────────────────────────────────── */
.cnt {
  max-width: 72rem;       /* 1152px */
  margin-left: auto;
  margin-right: auto;
  padding-left:  1.25rem;
  padding-right: 1.25rem;
}
@media (min-width: 640px) {
  .cnt { padding-left: 2rem; padding-right: 2rem; }
}

/* ── Tipografia ────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shimmer-text {
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary), var(--primary));
  background-size: 300% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 5s linear infinite;
}

/* ── Keyframes ────────────────────────────────────────────── */
@keyframes shimmer {
  from { background-position: 0% center; }
  to   { background-position: 300% center; }
}

@keyframes blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(25px, -40px) scale(1.08); }
  66%       { transform: translate(-20px, 15px) scale(0.93); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes grid-pulse {
  0%, 100% { opacity: 0.035; }
  50%       { opacity: 0.065; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(107,61,245,0.3); }
  50%       { box-shadow: 0 0 0 6px rgba(107,61,245,0); }
}

@keyframes bar-grow {
  from { width: 0; }
}

/* ── Blobs ──────────────────────────────────────────────────── */
.blob {
  filter: blur(72px);
  pointer-events: none;
  animation: blob 9s ease-in-out infinite;
}
.blob-1 { animation-delay: 0s; }
.blob-2 { animation-delay: -3s; }
.blob-3 { animation-delay: -6s; }

/* ── Background grid ────────────────────────────────────────── */
.bg-grid {
  background-image:
    linear-gradient(rgba(107,61,245,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107,61,245,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: grid-pulse 5s ease-in-out infinite;
}

/* ── Glass card ──────────────────────────────────────────────── */
.glass {
  background: rgba(17, 17, 24, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border2);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.glass:hover {
  border-color: var(--border);
  box-shadow: 0 8px 40px rgba(107,61,245,0.12);
  transform: translateY(-2px);
}

/* ── Navbar ──────────────────────────────────────────────────── */
.navbar {
  background: transparent;
  backdrop-filter: blur(0);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(11,11,20,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

/* ── Mobile menu ─────────────────────────────────────────────── */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { max-height: 520px; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.2s;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover::after  { opacity: 1; }
.btn-primary:hover         { box-shadow: 0 8px 28px rgba(107,61,245,0.45); transform: translateY(-1px); }
.btn-primary > * { position: relative; z-index: 1; }

.btn-ghost {
  border: 1px solid var(--border2);
  background: transparent;
  color: #cbd5e1;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.btn-ghost:hover {
  border-color: var(--border);
  background: rgba(107,61,245,0.08);
  color: #fff;
}

/* ── Animate on scroll ───────────────────────────────────────── */
.aos {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.aos.visible { opacity: 1; transform: none; }

/* ── Hero visual elements ────────────────────────────────────── */
.hero-card-glow {
  box-shadow: 0 0 0 1px var(--border), 0 20px 60px rgba(107,61,245,0.2), inset 0 1px 0 rgba(255,255,255,0.06);
}

.code-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.72rem;
  line-height: 1.5;
}

.float-badge {
  animation: float 3.5s ease-in-out infinite;
}
.float-badge-2 { animation-delay: -1.5s; }
.float-badge-3 { animation-delay: -0.8s; }

/* ── Section label ───────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border));
}
.section-label::after {
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ── Service card ────────────────────────────────────────────── */
.service-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s, background 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(107,61,245,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: var(--border);
  box-shadow: 0 12px 40px rgba(107,61,245,0.14);
  transform: translateY(-3px);
  background: var(--surface2);
}
.service-card:hover::before { opacity: 1; }

/* ── Product card ────────────────────────────────────────────── */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.product-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover {
  border-color: var(--border);
  box-shadow: 0 16px 48px rgba(107,61,245,0.16);
  transform: translateY(-4px);
}
.product-card:hover::after { opacity: 1; }

/* ── Tech badge ──────────────────────────────────────────────── */
.tech-badge {
  background: rgba(107,61,245,0.07);
  border: 1px solid rgba(107,61,245,0.18);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.tech-badge:hover {
  background: rgba(107,61,245,0.15);
  border-color: rgba(107,61,245,0.35);
  transform: scale(1.04);
}

/* ── Process step ────────────────────────────────────────────── */
.step-number {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}

/* ── Form ─────────────────────────────────────────────────────── */
.form-field {
  background: rgba(17,17,24,0.8);
  border: 1px solid var(--border2);
  color: #e2e8f0;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(107,61,245,0.15);
}
.form-field::placeholder { color: rgba(148,163,184,0.45); }

/* ── Social buttons ──────────────────────────────────────────── */
.social-btn {
  background: var(--surface);
  border: 1px solid var(--border2);
  transition: border-color 0.25s, transform 0.25s, color 0.25s, box-shadow 0.25s;
}
.social-btn:hover {
  border-color: var(--social-color, var(--primary));
  color: var(--social-color, var(--accent)) !important;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--social-color, var(--primary)) 30%, transparent);
  transform: translateY(-2px);
}

/* ── Pulse dot ───────────────────────────────────────────────── */
.pulse-dot {
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: badge-pulse 2s ease-in-out infinite;
}

/* ── CTA gradient section ────────────────────────────────────── */
.cta-section {
  background: radial-gradient(ellipse 80% 60% at 50% 50%,
    rgba(107,61,245,0.18) 0%,
    rgba(139,92,246,0.07) 50%,
    transparent 100%);
}

/* ── Diff section (alt bg) ───────────────────────────────────── */
.alt-section {
  background: var(--surface);
}

/* ── Chart bar animation ─────────────────────────────────────── */
.chart-bar {
  animation: bar-grow 1.2s cubic-bezier(0.4,0,0.2,1) both;
}

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner { animation: spin 0.8s linear infinite; }

/* ── Responsive helpers ──────────────────────────────────────── */
@media (max-width: 640px) {
  .bg-grid { background-size: 32px 32px; }
  .blob     { filter: blur(48px); }
}

/* ── Mobile-first fixes ──────────────────────────────────────── */

/* Previne scroll horizontal global */
html, body { overflow-x: hidden; }

/* Previne zoom automático em inputs no iOS (requer font-size >= 16px) */
@media (max-width: 767px) {
  .form-field { font-size: 1rem; }
}

/* Remove highlight azul ao tocar em elementos interativos (iOS/Android) */
a, button, [role="button"] {
  -webkit-tap-highlight-color: transparent;
}

/* Garante área mínima de toque de 44px em botões icon */
.touch-target {
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}