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

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --accent: #2196F3;
  --accent-light: #42A5F5;
  --accent-gradient: linear-gradient(135deg, #0D47A1, #42A5F5);
  --text-white: #ffffff;
  --text-gray: #9ca3af;
  --text-light: #d1d5db;
  --border-dark: #2a2a2a;
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-gray);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.2;
  font-weight: 700;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-light); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(33, 150, 243, 0.1);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 2px 30px rgba(0,0,0,0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Oswald', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo img { width: 36px; height: 36px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-gray);
  font-family: 'Oswald', sans-serif;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
  background: var(--accent-gradient) !important;
  color: var(--text-white) !important;
  padding: 10px 24px !important;
  border-radius: 6px;
  font-weight: 600 !important;
  -webkit-text-fill-color: #fff !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(33, 150, 243, 0.4); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition);
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(33, 150, 243, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(66, 165, 245, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(33, 150, 243, 0.04) 0%, transparent 50%);
  z-index: 0;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: 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='%23ffffff' fill-opacity='1'%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");
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(33, 150, 243, 0.15);
  border: 1px solid rgba(33, 150, 243, 0.3);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.05;
  margin-bottom: 24px;
  text-shadow: 0 2px 40px rgba(0,0,0,0.5);
}
.hero h1 .accent, .section-header h2 .accent, .cta-section h2 .accent, .page-hero h1 .accent, .about-text h2 .accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(33, 150, 243, 0.5); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--border-dark);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover { background: #20bd5a; transform: translateY(-3px); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4); color: #fff; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* SECTIONS */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-secondary); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .overline {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-header h2 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 16px; }
.section-header p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* STATS */
.stats {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.stat-item h3 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-item p {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  color: var(--text-gray);
}

/* CARDS */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(33, 150, 243, 0.3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  background: var(--bg-card-hover);
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(33, 150, 243, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.card h3 { font-size: 1.3rem; margin-bottom: 16px; }
.card p { font-size: 0.95rem; line-height: 1.8; }

/* METHODOLOGY */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}
.step { text-align: center; padding: 40px 24px; }
.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
}
.step h3 { font-size: 1.1rem; margin-bottom: 12px; }
.step p { font-size: 0.9rem; }

/* TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; }
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover { border-color: rgba(33, 150, 243, 0.3); transform: translateY(-4px); }
.testimonial-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-light);
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}
.testimonial-name { font-family: 'Oswald', sans-serif; color: var(--text-white); font-weight: 600; text-transform: uppercase; }
.testimonial-label { font-size: 0.8rem; color: var(--text-gray); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(33, 150, 243, 0.2); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--bg-card);
  transition: var(--transition);
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text-white);
  font-family: 'Oswald', sans-serif;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.faq-question:hover { background: var(--bg-card-hover); }
.faq-icon {
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 0.95rem; line-height: 1.8; color: var(--text-gray); }
.faq-item.active .faq-answer { max-height: 300px; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(66, 165, 245, 0.05)), var(--bg-secondary);
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(33, 150, 243, 0.05) 0%, transparent 60%);
}
.cta-section h2 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 16px; position: relative; }
.cta-section p { font-size: 1.1rem; margin-bottom: 40px; position: relative; }
.cta-section .btn { position: relative; }

/* PAGE HERO */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(33, 150, 243, 0.08) 0%, transparent 60%);
}
.page-hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); position: relative; }
.page-hero p { font-size: 1.1rem; margin-top: 16px; position: relative; max-width: 600px; margin-left: auto; margin-right: auto; }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.pricing-card.featured { border-color: var(--accent); transform: scale(1.03); }
.pricing-card.featured::before {
  content: 'MAIS POPULAR';
  position: absolute;
  top: 20px; right: -32px;
  background: var(--accent-gradient);
  color: #fff;
  padding: 6px 40px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 1px;
  transform: rotate(45deg);
}
.pricing-card:hover { transform: translateY(-8px); border-color: rgba(33, 150, 243, 0.3); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.pricing-card.featured:hover { transform: scale(1.03) translateY(-8px); }
.pricing-tag { font-family: 'Oswald', sans-serif; font-size: 1.1rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.pricing-price { font-family: 'Oswald', sans-serif; font-size: 3rem; color: var(--text-white); margin-bottom: 8px; }
.pricing-price span { font-size: 1rem; color: var(--text-gray); }
.pricing-period { color: var(--text-gray); font-size: 0.9rem; margin-bottom: 32px; }
.pricing-features { list-style: none; margin-bottom: 32px; text-align: left; }
.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-features li::before { content: '\2713'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text h2 { font-size: 2.2rem; margin-bottom: 24px; }
.about-text p { margin-bottom: 16px; font-size: 1rem; line-height: 1.9; }
.about-image {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.about-image::before { content: ''; position: absolute; inset: 0; background: var(--accent-gradient); opacity: 0.05; }
.about-image-placeholder { font-family: 'Oswald', sans-serif; font-size: 6rem; color: rgba(33, 150, 243, 0.2); font-weight: 700; }
.credentials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.credential-item {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.credential-item:hover { border-color: rgba(33, 150, 243, 0.3); transform: translateY(-4px); }
.credential-icon { font-size: 2rem; margin-bottom: 12px; }
.credential-item h4 { font-size: 1rem; margin-bottom: 8px; }
.credential-item p { font-size: 0.85rem; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
}
.value-card:hover { border-color: rgba(33, 150, 243, 0.3); transform: translateY(-4px); }
.value-card h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--accent); }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 40px;
}
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-white);
  margin-bottom: 8px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  color: var(--text-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239ca3af' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.form-message { padding: 16px; border-radius: 8px; margin-bottom: 24px; font-size: 0.95rem; }
.form-message.success { background: rgba(37, 211, 102, 0.1); border: 1px solid rgba(37, 211, 102, 0.3); color: #25D366; }
.form-message.error { background: rgba(33, 150, 243, 0.1); border: 1px solid rgba(33, 150, 243, 0.3); color: var(--accent); }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.contact-info-card:hover { border-color: rgba(33, 150, 243, 0.2); }
.contact-info-card h3 { font-size: 1.1rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.contact-info-card p { font-size: 0.95rem; }
.social-links { display: flex; gap: 16px; margin-top: 16px; }
.social-link {
  width: 48px; height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-link:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.social-link svg { width: 20px; height: 20px; fill: var(--text-gray); transition: var(--transition); }
.social-link:hover svg { fill: #fff; }

/* 404 */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-page h1 {
  font-size: clamp(6rem, 15vw, 12rem);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.error-page h2 { font-size: 1.5rem; margin-bottom: 16px; }
.error-page p { margin-bottom: 32px; }

/* FOOTER */
.site-footer { background: var(--bg-secondary); border-top: 1px solid var(--border-dark); padding: 80px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 300px; }
.footer-col h4 { font-size: 1rem; margin-bottom: 20px; color: var(--text-white); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--text-gray); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid var(--border-dark); padding-top: 32px; text-align: center; font-size: 0.85rem; color: var(--text-gray); }

/* WHATSAPP FLOAT */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  animation: pulse-whatsapp 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5); }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }
@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.6); }
}

/* ANIMATIONS */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* SERVICE DETAIL */
.service-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-bottom: 64px; padding-bottom: 64px; border-bottom: 1px solid var(--border-dark); }
.service-detail:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.service-detail:nth-child(even) { direction: rtl; }
.service-detail:nth-child(even) > * { direction: ltr; }
.service-detail-content h3 { font-size: 1.6rem; margin-bottom: 16px; }
.service-detail-content p { margin-bottom: 16px; line-height: 1.9; }
.service-detail-list { list-style: none; margin-top: 16px; }
.service-detail-list li { padding: 8px 0; font-size: 0.95rem; display: flex; align-items: center; gap: 10px; }
.service-detail-list li::before { content: '\2713'; color: var(--accent); font-weight: 700; }
.service-detail-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  height: 300px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-size: 3rem;
  color: rgba(33, 150, 243, 0.15);
  font-weight: 700;
}

/* NAV OVERLAY */
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 998; }
.nav-overlay.active { display: block; }

/* RESPONSIVE */
@media (max-width: 968px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 300px; height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: right 0.4s ease;
    border-left: 1px solid var(--border-dark);
  }
  .nav-links.active { right: 0; }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-8px); }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail:nth-child(even) { direction: ltr; }
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .cards-grid, .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .btn { width: 100%; justify-content: center; }
}

/* LOGO IMAGE RESPONSIVE */
.logo-img { height: 60px; width: auto; max-width: 200px; object-fit: contain; }
@media (max-width: 640px) {
  .logo-img { height: 45px; max-width: 160px; }
}