/* ==========================================================
   LANDING PAGES DESIGN SYSTEM - TEC GASES DF
   Ultra-fast, High-converting, Problem-Solution Architecture
   ========================================================== */

:root {
  --bg-main: #040914;
  --bg-section-alt: #081125;
  --bg-card: rgba(14, 26, 48, 0.75);
  --bg-card-hover: rgba(20, 38, 70, 0.9);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.2);
  --border-highlight: rgba(56, 189, 248, 0.4);

  --brand-cyan: #00f2fe;
  --brand-cyan-light: #38bdf8;
  --brand-blue: #1a8fd4;
  --brand-blue-deep: #0d5f9e;
  --brand-red: #ef4444;
  --brand-green: #10b981;

  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 15px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

/* ==========================================================
   TOP EMERGENCY BAR - REMOVIDO
   ========================================================== */

/* ==========================================================
   NAVIGATION
   ========================================================== */
.lp-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(4, 9, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  padding: 0.75rem 0;
}

.lp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lp-brand img {
  height: 38px;
  width: auto;
}

.lp-brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 1.1;
}

.lp-brand-text span {
  color: var(--brand-cyan);
}

.lp-brand-sub {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.lp-nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav-home {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
}

.btn-nav-home:hover {
  color: var(--brand-cyan);
}

.btn-whatsapp-header {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.55rem 1.1rem;
  border-radius: 9999px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ==========================================================
   HERO SECTION (PROBLEM - SOLUTION)
   ========================================================== */
.lp-hero {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at 50% -20%, rgba(0, 242, 254, 0.15), transparent 70%),
              radial-gradient(circle at 90% 40%, rgba(26, 143, 212, 0.1), transparent 60%);
  border-bottom: 1px solid var(--border-glass);
  position: relative;
}

.lp-breadcrumbs {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lp-breadcrumbs a {
  color: var(--text-secondary);
}

.lp-breadcrumbs a:hover {
  color: var(--brand-cyan);
}

.lp-badge-urgent {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--brand-cyan);
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.lp-hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.lp-hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.lp-hero-content h1 span {
  background: linear-gradient(135deg, #00f2fe 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lp-hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.lp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-action-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, #00f2fe 0%, #1a8fd4 100%);
  color: #040914;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.9rem 1.6rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}

.btn-action-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
}

.btn-action-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9rem 1.4rem;
  border-radius: 12px;
}

.btn-action-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--brand-cyan-light);
  color: var(--brand-cyan-light);
}

.lp-trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lp-trust-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.lp-trust-pill svg {
  color: var(--brand-green);
  flex-shrink: 0;
}

/* Card Visual in Hero */
.lp-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.lp-hero-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-glass);
}

.lp-fast-quote-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.lp-fast-quote-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.lp-phone-highlight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
}

.lp-phone-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
}

.lp-phone-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--brand-cyan);
}

/* ==========================================================
   PROBLEM MATRIX SECTION
   "Você tem este problema? Nós resolvemos"
   ========================================================== */
.lp-section {
  padding: 4.5rem 0;
}

.lp-section-alt {
  background-color: var(--bg-section-alt);
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem;
}

.section-tag {
  color: var(--brand-cyan);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.problem-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.problem-icon-alert {
  width: 44px;
  height: 44px;
  background: rgba(239, 68, 68, 0.12);
  color: var(--brand-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: #ffffff;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.solution-box {
  background: rgba(0, 242, 254, 0.06);
  border-left: 3px solid var(--brand-cyan);
  padding: 0.85rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.86rem;
  color: var(--brand-cyan-light);
  font-weight: 600;
}

/* ==========================================================
   TECHNICAL NORMS & COMPLIANCE
   ========================================================== */
.norms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.norm-card {
  background: rgba(14, 26, 48, 0.5);
  border: 1px solid var(--border-glass);
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
}

.norm-badge {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-cyan);
  margin-bottom: 0.5rem;
}

.norm-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ==========================================================
   HOW WE WORK (PROCESS)
   ========================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.5rem;
  position: relative;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(56, 189, 248, 0.2);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================
   SOCIAL PROOF & DF COVERAGE
   ========================================================== */
.proof-banner {
  background: linear-gradient(135deg, rgba(14, 26, 48, 0.9) 0%, rgba(8, 17, 37, 0.95) 100%);
  border: 1px solid var(--border-glow);
  border-radius: 18px;
  padding: 2.5rem;
  text-align: center;
  margin-top: 2rem;
}

.proof-banner h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.proof-banner p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 700px;
  margin: 0 auto 1.75rem;
}

.hospitals-tag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.hospital-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  font-size: 0.84rem;
  color: #ffffff;
  font-weight: 600;
}

/* ==========================================================
   FAQ SECTION
   ========================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.faq-item h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.faq-item p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ==========================================================
   FINAL CTA SECTION
   ========================================================== */
.final-cta-section {
  padding: 4.5rem 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 242, 254, 0.12), transparent 70%);
  text-align: center;
}

.final-cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 3.5rem 2rem;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.final-cta-box h2 {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #ffffff;
}

.final-cta-box p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.lp-footer {
  background: #02050b;
  border-top: 1px solid var(--border-glass);
  padding: 3rem 0 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.lp-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.lp-footer h4 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.lp-footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lp-footer ul a:hover {
  color: var(--brand-cyan);
}

.lp-footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  font-size: 0.82rem;
}

/* Float WhatsApp */
.float-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25d366;
  color: #ffffff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  z-index: 9999;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.float-wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 992px) {
  .lp-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lp-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .lp-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .btn-nav-home {
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
  }
  .btn-whatsapp-header {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }
  .lp-hero-content h1 {
    font-size: 2rem;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .lp-hero-actions {
    flex-direction: column;
  }
  .btn-action-primary, .btn-action-secondary {
    width: 100%;
    justify-content: center;
  }
}