/* ==========================================================================
   SpeedyNet - Corporate IT & AI Infrastructure
   Modern High-Performance CSS (Core Web Vitals & Accessibility Focused)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #0a0e17;
  --bg-surface: #111827;
  --bg-surface-elevated: #1e293b;
  --bg-surface-hover: #283548;
  --bg-card: rgba(17, 24, 39, 0.75);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(14, 165, 233, 0.35);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Accent Gradients */
  --accent-cyan: #0ea5e9;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #6366f1 100%);
  --accent-gradient-subtle: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  
  /* Radii & Shadows */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 35px rgba(14, 165, 233, 0.25);

  /* Typography Fluid Sizing */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --font-hero: clamp(2.25rem, 1.5rem + 3.5vw, 4rem);
  --font-h2: clamp(1.75rem, 1.25rem + 2vw, 2.75rem);
  --font-h3: clamp(1.25rem, 1.1rem + 0.8vw, 1.75rem);
  --font-body: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);

  /* Containers & Spacing */
  --max-w: 1240px;
  --header-h: 76px;
  --space-unit: 1rem;
}

/* Light Mode Override (if user forces or prefers) */
@media (prefers-color-scheme: light) {
  :root[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --bg-surface-hover: #e2e8f0;
    --bg-card: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(14, 165, 233, 0.4);
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;
  }
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
  background: radial-gradient(circle at 50% -20%, rgba(14, 165, 233, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
              var(--bg-dark);
}

/* Accessibility */
:focus-visible {
  outline: 3px solid var(--accent-cyan);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.brand-symbol {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.45);
}

.brand-symbol svg {
  width: 22px;
  height: 22px;
  fill: #ffffff;
}

.brand-text span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
  padding-block: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* Nav Dropdown */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 260px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 0.75rem;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 200;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  display: block;
  transition: all 0.2s ease;
}

.dropdown-menu a:hover {
  background: var(--bg-surface-elevated);
  color: var(--accent-cyan);
}

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

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.6rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  min-height: 48px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.5);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-sm {
  min-height: 38px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Hero Section */
.hero-section {
  padding-block: clamp(3rem, 7vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent-gradient-subtle);
  border: 1px solid var(--border-glow);
  color: var(--accent-cyan);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-block-end: 1.5rem;
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  font-size: var(--font-hero);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-block-end: 1.25rem;
}

.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: var(--font-body);
  color: var(--text-muted);
  line-height: 1.7;
  margin-block-end: 2rem;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-block-end: 2.5rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item .stat-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.stat-item .stat-label {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.2rem;
}

/* Hero Tech Panel / Terminal Card */
.hero-visual {
  position: relative;
}

.terminal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.terminal-header {
  background: var(--bg-surface-elevated);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.terminal-line {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.terminal-line.cmd { color: #38bdf8; }
.terminal-line.success { color: #34d399; }
.terminal-line.info { color: #94a3b8; }
.terminal-line.accent { color: #a855f7; }

/* Section Styling */
.section-py {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-block-end: clamp(2.5rem, 5vw, 4rem);
}

.section-tag {
  color: var(--accent-cyan);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-block-end: 0.75rem;
}

.section-title {
  font-size: var(--font-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-block-end: 1rem;
}

.section-desc {
  font-size: var(--font-body);
  color: var(--text-muted);
}

/* Pillar 3-Card Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.pillar-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-gradient-subtle);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: 1.5rem;
}

.pillar-icon-box svg {
  width: 28px;
  height: 28px;
  fill: var(--accent-cyan);
}

.pillar-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-block-end: 0.75rem;
}

.pillar-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-block-end: 1.5rem;
  flex-grow: 1;
}

.pillar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-block-end: 1.75rem;
}

.pillar-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pillar-list li svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-cyan);
  flex-shrink: 0;
}

.pillar-cta {
  margin-top: auto;
}

/* Service 6-Card Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.service-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-block-end: 0.6rem;
  letter-spacing: 0.05em;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-block-end: 0.6rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-block-end: 1.25rem;
  flex-grow: 1;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.2s ease;
}

.service-link:hover {
  gap: 0.7rem;
}

/* Clients & Trust Logo Marquee */
.trust-section {
  padding-block: 2.5rem;
  border-block: 1px solid var(--border-color);
  background: rgba(17, 24, 39, 0.4);
}

.trust-title {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-block-end: 1.75rem;
}

.clients-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.client-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.65;
  filter: grayscale(100%) brightness(1.2);
  transition: all 0.25s ease;
}

.client-logo-wrap:hover {
  opacity: 1;
  filter: grayscale(0%) brightness(1);
}

.client-logo-wrap img {
  max-height: 38px;
  width: auto;
  object-fit: contain;
}

/* History / 30 Years Timeline Highlight */
.history-banner {
  background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.15) 0%, rgba(17, 24, 39, 0.95) 80%), var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: var(--shadow-glow);
}

.history-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.history-milestones {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.milestone-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.milestone-year {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 1.15rem;
  min-width: 60px;
}

.milestone-text h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.milestone-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Diagnostic Lead Magnet Form */
.diagnostic-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-md);
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.form-group {
  margin-block-end: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-block-end: 0.4rem;
}

.form-control {
  width: 100%;
  min-height: 48px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--text-main);
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 820px;
  margin-inline: auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--border-glow);
}

.faq-summary {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent-cyan);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Footer & NAP */
.site-footer {
  background: #070a10;
  border-top: 1px solid var(--border-color);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-block-end: 3.5rem;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-block-end: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-nap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-nap strong {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 0.8125rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #ffffff;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-block: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.breadcrumbs .separator {
  color: var(--text-dim);
}

/* Inner Page Hero */
.page-hero {
  padding-block: clamp(3rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-color);
}

.page-hero-title {
  font-size: var(--font-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-block-end: 1rem;
}

.page-hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  line-height: 1.7;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid,
  .history-grid,
  .diagnostic-grid {
    grid-template-columns: 1fr;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: var(--bg-surface-elevated);
    box-shadow: none;
    margin-top: 0.5rem;
    width: 100%;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: 18px;
    right: 18px;
    width: 52px;
    height: 52px;
  }
}