/* ===== KDTech Agency - Main Styles ===== */
:root {
  --primary: #0a2540;
  --accent: #00c2ff;
  --accent2: #7c3aed;
  --white: #ffffff;
  --gray-light: #f4f7fb;
  --gray: #6b7280;
  --dark: #111827;
  --success: #10b981;
  --danger: #ef4444;
  --shadow: 0 4px 24px rgba(10,37,64,0.10);
  --radius: 14px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--gray-light); }
.tag {
  display: inline-block;
  background: rgba(0,194,255,0.12);
  color: var(--accent2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-sub {
  font-size: 1.08rem;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 48px;
}
.text-center { text-align: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent2), #5b21b6);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(124,58,237,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(124,58,237,0.45); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,0.5); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,37,64,0.97);
  backdrop-filter: blur(12px);
  padding: 0 20px;
  transition: var(--transition);
}
.navbar-inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex; align-items: center;
  text-decoration: none;
}
.logo-img { height: 56px; width: auto; max-width: 200px; object-fit: contain; display: block; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.btn-lang { display: flex; align-items: center; gap: 5px; font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,0.75); background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; padding: 5px 12px; cursor: pointer; text-decoration: none; transition: var(--transition); white-space: nowrap; }
.btn-lang:hover { background: rgba(255,255,255,0.2); color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, #1a3a5c 50%, #0f2035 100%);
  display: flex; align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300c2ff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,194,255,0.12);
  border: 1px solid rgba(0,194,255,0.25);
  color: var(--accent);
  font-size: 0.82rem; font-weight: 700;
  padding: 7px 16px; border-radius: 99px;
  margin-bottom: 24px;
}
.hero-badge::before { content: '●'; font-size: 0.5rem; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 span { background: linear-gradient(90deg, var(--accent), #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: rgba(255,255,255,0.75); font-size: 1.12rem; margin-bottom: 36px; max-width: 480px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 24px;
  color: white;
}
.hero-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.hero-card-dot { width: 10px; height: 10px; border-radius: 50%; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.metric-item { background: rgba(255,255,255,0.06); border-radius: 10px; padding: 14px; text-align: center; }
.metric-num { font-size: 1.6rem; font-weight: 900; color: var(--accent); }
.metric-lbl { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 2px; }
.floating-badge {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 10px 16px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 700; color: var(--primary);
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.floating-badge.top { top: -20px; right: -20px; }
.floating-badge.bottom { bottom: -16px; left: -16px; animation-delay: 2s; }

/* ===== HERO VISUAL — FAN STACK ===== */
.fan-stack {
  position: relative;
  width: 100%;
  max-width: 460px;
  height: 340px;
  margin: 40px auto 0;
}

/* Cards base */
.fan-card {
  position: absolute;
  width: 300px;
  border-radius: 16px;
  overflow: visible;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.fan-card-inner {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.12);
  background: #1e293b;
}
.fan-card-bar {
  background: rgba(0,0,0,0.35);
  padding: 7px 10px;
  display: flex; align-items: center; gap: 5px;
}
.fan-card-bar span {
  width: 7px; height: 7px; border-radius: 50%;
  display: block; background: rgba(255,255,255,0.35);
}
.fan-card-bar span:nth-child(1) { background: #ef4444; }
.fan-card-bar span:nth-child(2) { background: #f59e0b; }
.fan-card-bar span:nth-child(3) { background: #10b981; }
.fan-card-bar small { color: rgba(255,255,255,0.45); font-size: 0.6rem; margin-left: 4px; }
.fan-card-img {
  width: 100%; height: 180px;
  object-fit: cover; object-position: top;
  display: block;
}

/* Posicionamento dos cards */
.fan-card--back-left {
  left: -10px; top: 40px;
  transform: rotate(-8deg) scale(0.88);
  z-index: 1;
  filter: brightness(0.7);
}
.fan-card--center {
  left: 50%; top: 0;
  transform: translateX(-50%) rotate(0deg);
  z-index: 3;
}
.fan-card--back-right {
  right: -10px; top: 40px;
  transform: rotate(8deg) scale(0.88);
  z-index: 1;
  filter: brightness(0.7);
}

/* Hover anima o stack */
.fan-stack:hover .fan-card--back-left {
  transform: rotate(-14deg) translateX(-20px) scale(0.9);
  filter: brightness(0.85);
}
.fan-stack:hover .fan-card--back-right {
  transform: rotate(14deg) translateX(20px) scale(0.9);
  filter: brightness(0.85);
}
.fan-stack:hover .fan-card--center {
  transform: translateX(-50%) translateY(-8px);
}

/* Badges nos cards */
.fan-badge {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 9px 14px;
  display: flex; align-items: center; gap: 9px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}
.fan-badge span { font-size: 1.2rem; }
.fan-badge div { display: flex; flex-direction: column; }
.fan-badge strong { font-size: 0.85rem; font-weight: 800; color: var(--primary); line-height: 1; }
.fan-badge small { font-size: 0.68rem; color: var(--gray); margin-top: 2px; }
.fan-badge--top { top: -18px; right: -10px; animation-delay: 0s; }
.fan-badge--bottom { bottom: -10px; left: 20px; animation-delay: 2s; }

/* Chip */
.fan-chip {
  position: absolute;
  bottom: 30px; right: -15px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: white; font-size: 0.75rem; font-weight: 700;
  padding: 6px 14px; border-radius: 99px;
  backdrop-filter: blur(8px);
  z-index: 10;
  animation: float 5s ease-in-out infinite;
  animation-delay: 1s;
}

@media (max-width: 768px) { .fan-stack { display: none; } }

/* ===== PORTFÓLIO ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portfolio-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1.5px solid #e5e9f0;
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(10,37,64,0.14); }
.portfolio-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center top;
  background-color: #1e293b;
}
.portfolio-img img.pscreen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.5s ease;
  z-index: 1;
}
.portfolio-card:hover .pscreen { transform: scale(1.04); }
.pi-1 { background: linear-gradient(135deg, #0ea5e9 0%, #0369a1 100%); }
.pi-2 { background: linear-gradient(135deg, #7c3aed 0%, #4c1d95 100%); }
.pi-3 { background: linear-gradient(135deg, #10b981 0%, #065f46 100%); }
.pi-4 { background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%); }
.pi-5 { background: linear-gradient(135deg, #ec4899 0%, #9d174d 100%); }
.portfolio-img::before {
  content: attr(data-initial);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; opacity: 0.15;
}
/* Screen inside portfolio card */
.portfolio-img::after {
  content: '';
  position: absolute;
  inset: 16px; border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
}
.portfolio-overlay {
  position: absolute; inset: 0;
  background: rgba(10,37,64,0.75);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
  backdrop-filter: blur(4px);
  z-index: 2;
  pointer-events: none;
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; pointer-events: auto; }
.portfolio-info { padding: 18px 20px; }
.portfolio-tag {
  display: inline-block;
  background: rgba(0,194,255,0.1);
  color: var(--accent2);
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 99px;
  margin-bottom: 8px; letter-spacing: 0.05em;
}
.portfolio-info h3 { font-size: 1rem; font-weight: 800; color: var(--primary); margin-bottom: 5px; }
.portfolio-info p { font-size: 0.85rem; color: var(--gray); line-height: 1.5; }
.portfolio-cta-card {
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-light);
  border: 2px dashed #d1d5db;
}
.portfolio-cta-card:hover { border-color: var(--accent2); transform: translateY(-4px); }

/* Portfolio slider */
.pslider { overflow: hidden; }
.pslider .slide { opacity: 0; position: absolute; inset: 0; transition: opacity 0.7s ease; }
.pslider .slide.active { opacity: 1; position: absolute; }
.slider-dots {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 6;
}
.sdot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,0.45); cursor: pointer; transition: all 0.3s;
}
.sdot.active { background: white; transform: scale(1.2); }

/* Mini mockup inside portfolio cards */
.pmock { position: absolute; inset: 10px; border-radius: 8px; overflow: hidden; background: rgba(0,0,0,0.25); display: flex; flex-direction: column; }
.pmock-bar { background: rgba(0,0,0,0.3); padding: 5px 8px; display: flex; align-items: center; gap: 5px; flex-shrink: 0; }
.pmock-bar span { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.4); display: block; }
.pmock-bar small { color: rgba(255,255,255,0.5); font-size: 0.6rem; margin-left: 4px; }
.pmock-hero { flex: 1; padding: 10px 12px; display: flex; flex-direction: column; justify-content: center; }
.pmock-line { height: 6px; border-radius: 3px; }
.pmock-line.w35 { width: 35%; }
.pmock-line.w40 { width: 40%; }
.pmock-line.w45 { width: 45%; }
.pmock-line.w55 { width: 55%; }
.pmock-line.w60 { width: 60%; }
.pmock-line.w65 { width: 65%; }
.pmock-btn { display: inline-block; margin-top: 8px; padding: 3px 10px; border-radius: 4px; font-size: 0.6rem; font-weight: 700; width: fit-content; }
.pmock-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 4px; padding: 6px 8px 8px; }
.pmock-card { height: 20px; border-radius: 4px; border: 1px solid; background: rgba(255,255,255,0.05); }

@media (max-width: 1024px) { .portfolio-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .portfolio-grid { grid-template-columns: 1fr; } .device-mockup { display: none; } }

/* ===== SERVICES ===== */
.service-card {
  background: var(--white);
  border: 1.5px solid #e5e9f0;
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,194,255,0.12), rgba(124,58,237,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 18px;
}
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; color: var(--gray); }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; align-items: stretch; }
.plan-card { display: flex; flex-direction: column; }
.plan-features { flex: 1; }
.plan-card {
  background: var(--white);
  border: 2px solid #e5e9f0;
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
}
.plan-card.popular {
  border-color: var(--accent2);
  box-shadow: 0 8px 40px rgba(124,58,237,0.18);
}
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent2), #5b21b6);
  color: white; font-size: 0.78rem; font-weight: 700;
  padding: 5px 18px; border-radius: 99px;
  white-space: nowrap;
}
.plan-name { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent2); margin-bottom: 8px; }
.plan-price { font-size: 2.4rem; font-weight: 900; color: var(--primary); line-height: 1; }
.plan-price span { font-size: 1rem; font-weight: 600; color: var(--gray); }
.plan-desc { font-size: 0.9rem; color: var(--gray); margin: 10px 0 24px; }
.plan-features { list-style: none; margin-bottom: 28px; }
.plan-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.93rem; color: var(--dark);
  padding: 7px 0; border-bottom: 1px solid #f0f2f5;
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.plan-features li.no::before { content: '✕'; color: #d1d5db; }
.plan-features li.no { color: #9ca3af; }
.plan-card .btn { width: 100%; justify-content: center; }

/* ===== PROCESS ===== */
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; }
.process-steps::before {
  content: '';
  position: absolute; top: 32px; left: 12.5%; right: 12.5%; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.step { text-align: center; position: relative; }
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: white;
  margin: 0 auto 18px;
  position: relative; z-index: 1;
  box-shadow: 0 4px 18px rgba(124,58,237,0.3);
}
.step h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.step p { font-size: 0.88rem; color: var(--gray); }

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-text { font-size: 0.95rem; color: var(--dark); font-style: italic; margin-bottom: 16px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: white; font-size: 1rem;
}
.author-name { font-weight: 700; font-size: 0.9rem; color: var(--primary); }
.author-role { font-size: 0.8rem; color: var(--gray); }

/* ===== CONTACT FORM ===== */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start;
}
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.contact-info p { color: var(--gray); margin-bottom: 28px; }
.contact-item { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.contact-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,194,255,0.12), rgba(124,58,237,0.12));
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item-text strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--primary); }
.contact-item-text span { font-size: 0.9rem; color: var(--gray); }
.form-card {
  background: var(--white);
  border-radius: 18px;
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1.5px solid #e5e9f0;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--primary); margin-bottom: 7px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e5e9f0;
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--gray-light);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent2);
  background: white;
  box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.form-success {
  display: none;
  background: rgba(16,185,129,0.1);
  border: 1.5px solid var(--success);
  color: #065f46;
  border-radius: 10px;
  padding: 14px 18px;
  font-weight: 600;
  margin-top: 14px;
  align-items: center; gap: 10px;
}

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1.5px solid #e5e9f0;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--accent2); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 700; font-size: 0.98rem; color: var(--primary);
}
.faq-icon { font-size: 1.2rem; transition: var(--transition); flex-shrink: 0; color: var(--accent2); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.93rem; color: var(--gray); line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }

/* ===== FOOTER ===== */
footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 0.9rem; max-width: 260px; margin: 14px 0 20px; line-height: 1.7; }
.footer-col h4 { color: white; font-weight: 700; font-size: 0.9rem; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.88rem; margin-bottom: 9px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.83rem; flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--accent); text-decoration: none; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: var(--transition);
  animation: float 3s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.12); box-shadow: 0 8px 32px rgba(37,211,102,0.6); }
.whatsapp-float svg { width: 32px; height: 32px; fill: white; }
.whatsapp-tooltip {
  position: absolute; right: 74px;
  background: var(--primary); color: white;
  font-size: 0.82rem; font-weight: 600;
  padding: 7px 14px; border-radius: 8px;
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ===== STATS BAR ===== */
.stats-bar { background: var(--primary); padding: 36px 0; }
.stats-inner { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 900; color: var(--accent); }
.stat-lbl { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-top: 4px; }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed; bottom: 100px; right: 28px; z-index: 998;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: white;
  border: none; cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--accent2); transform: translateY(-2px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(2,1fr); }
  .process-steps::before { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero-grid, .grid-2, .contact-wrapper, .pricing-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero { text-align: center; }
  .hero p { margin: 0 auto 36px; }
  .hero-btns { justify-content: center; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .navbar-inner { flex-wrap: wrap; }
  .navbar.open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    order: 3;
    padding: 16px 0 12px;
    gap: 4px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 12px;
  }
  .navbar.open .nav-links a {
    padding: 10px 4px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .navbar.open .nav-cta {
    display: flex;
    flex-direction: column;
    width: 100%;
    order: 4;
    padding: 12px 0 20px;
    gap: 10px;
    align-items: stretch;
  }
  .navbar.open .nav-cta .btn-lang {
    justify-content: center;
    font-size: 0.95rem;
    padding: 10px;
  }
  .navbar.open .nav-cta .btn-whatsapp {
    justify-content: center;
  }
  .plan-card.popular { transform: scale(1); }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .process-steps { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .btn { padding: 12px 22px; font-size: 0.93rem; }
  .plan-price { font-size: 2rem; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 54px; height: 54px; }
}

/* ===== ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }