/*=============================================================
# QueueBos — Skiplino-Inspired Modern Theme
=============================================================*/

/* === CSS Variables === */
:root {
  --qb-primary: #1398b2;
  --qb-primary-light: #00a7da;
  --qb-accent: #00a7da;
  --qb-green: #1398b2;
  --qb-green-dark: #0e7d94;
  --qb-white: #FFFFFF;
  --qb-off-white: #ecfcff;
  --qb-gray-50: #e6f4f1;
  --qb-gray-100: #ecfcff;
  --qb-gray-200: #d5f0f5;
  --qb-gray-300: #b8e4eb;
  --qb-gray-400: #9CA3AF;
  --qb-gray-500: #6B7280;
  --qb-gray-600: #4B5563;
  --qb-gray-700: #374151;
  --qb-gray-800: #1F2937;
  --qb-gray-900: #0e4d5c;
  --qb-text: #1F2937;
  --qb-text-secondary: #4B5563;
  --qb-text-muted: #6B7280;
  --qb-radius-sm: 6px;
  --qb-radius-md: 10px;
  --qb-radius-lg: 16px;
  --qb-radius-xl: 24px;
  --qb-radius-full: 9999px;
  --qb-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --qb-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --qb-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --qb-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --qb-transition: 0.25s ease;
  --qb-container: 1200px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--qb-text);
  background: var(--qb-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--qb-gray-900); }
p { color: var(--qb-text-secondary); margin-bottom: 1rem; }
a { color: var(--qb-accent); text-decoration: none; transition: var(--qb-transition); }
a:hover { color: var(--qb-green); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--qb-container); margin: 0 auto; padding: 0 24px; }

/* === Section Shared === */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-eyebrow {
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--qb-green); margin-bottom: 12px;
}
.section-heading-lg { font-size: 2.75rem; font-weight: 800; color: var(--qb-gray-900); }

/* === Buttons === */
.btn-solid-green {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: var(--qb-green); color: #fff; font-weight: 600; font-size: 0.95rem;
  border-radius: var(--qb-radius-md); border: none; cursor: pointer; transition: var(--qb-transition);
}
.btn-solid-green:hover { background: var(--qb-green-dark); color: #fff; transform: translateY(-1px); }
.btn-solid-green-lg {
  display: inline-flex; align-items: center; gap: 10px; padding: 16px 32px;
  background: var(--qb-green); color: #fff; font-weight: 700; font-size: 1.05rem;
  border-radius: var(--qb-radius-md); border: none; cursor: pointer; transition: var(--qb-transition);
}
.btn-solid-green-lg:hover { background: var(--qb-green-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--qb-shadow-lg); }
.btn-outline-dark {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: transparent; color: var(--qb-gray-800); font-weight: 600; font-size: 0.95rem;
  border-radius: var(--qb-radius-md); border: 2px solid var(--qb-gray-300); cursor: pointer; transition: var(--qb-transition);
}
.btn-outline-dark:hover { border-color: var(--qb-gray-800); color: var(--qb-gray-900); }
.btn-outline-dark-lg {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px;
  background: transparent; color: var(--qb-gray-800); font-weight: 600; font-size: 1rem;
  border-radius: var(--qb-radius-md); border: 2px solid var(--qb-gray-300); cursor: pointer; transition: var(--qb-transition);
}
.btn-outline-dark-lg:hover { border-color: var(--qb-gray-800); color: var(--qb-gray-900); }
.footer-cta__actions-row .btn-outline-dark-lg { background: #fff; border-color: #fff; color: var(--qb-gray-800); }
.footer-cta__actions-row .btn-outline-dark-lg:hover { background: rgba(255,255,255,0.9); border-color: rgba(255,255,255,0.9); color: var(--qb-gray-900); }
.btn-outline-blue {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: transparent; color: var(--qb-accent); font-weight: 600; font-size: 0.95rem;
  border-radius: var(--qb-radius-md); border: 2px solid var(--qb-accent); cursor: pointer; transition: var(--qb-transition);
}
.btn-outline-blue:hover { background: var(--qb-accent); color: #fff; }

/* =============================================================
   HEADER
   ============================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  padding: 14px 0; transition: var(--qb-transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { box-shadow: var(--qb-shadow-sm); border-bottom-color: var(--qb-gray-200); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.site-logo__img { height: 42px; width: auto; }
.nav-main { display: flex; align-items: center; gap: 28px; }
.nav-main .nav-link { font-size: 0.95rem; font-weight: 500; color: var(--qb-gray-700); transition: var(--qb-transition); }
.nav-main .nav-link:hover { color: var(--qb-primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.mobile-nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-nav-toggle span { width: 24px; height: 2px; background: var(--qb-gray-800); transition: var(--qb-transition); }
.mobile-nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-nav-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =============================================================
   HERO SECTION
   ============================================================= */
.hero-section { padding: 140px 0 80px; background: var(--qb-white); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-heading { font-size: 3.25rem; font-weight: 800; color: var(--qb-gray-900); margin-bottom: 20px; line-height: 1.15; }
.hero-heading .highlight { color: var(--qb-green); }
.hero-body { font-size: 1.1rem; color: var(--qb-text-secondary); margin-bottom: 20px; max-width: 560px; }
.hero-feature-list {
  display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px;
}
.hero-feature-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.925rem; color: var(--qb-text-secondary); font-weight: 500;
}
.hero-feature-item i {
  font-size: 1.1rem; color: var(--qb-green); flex-shrink: 0; width: 22px; text-align: center;
}
.hero-cta-group { display: flex; flex-direction: column; gap: 20px; }
.hero-cta-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trust-badges { display: flex; gap: 20px; flex-wrap: wrap; }
.trust-badge { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--qb-text-muted); font-weight: 500; }
.trust-badge__check { color: var(--qb-green); font-weight: 700; font-size: 1rem; }
.hero-visual { display: flex; justify-content: center; }
.hero-browser-frame {
  background: var(--qb-white); border-radius: var(--qb-radius-lg); box-shadow: var(--qb-shadow-xl);
  overflow: hidden; width: 100%; max-width: 560px; border: 1px solid var(--qb-gray-200);
}
.hero-browser-bar { display: flex; gap: 6px; padding: 12px 16px; background: var(--qb-gray-100); border-bottom: 1px solid var(--qb-gray-200); }
.browser-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--qb-gray-300); }
.hero-browser-content { padding: 0; }
.hero-dashboard-img { width: 100%; display: block; }

/* =============================================================
   TRUST BAR
   ============================================================= */
.trust-bar { padding: 60px 0; background: var(--qb-off-white); text-align: center; border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.trust-heading { font-size: 1.5rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 40px; }
.trust-cards { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; }
.trust-card {
  background: var(--qb-white); padding: 28px 36px; border-radius: var(--qb-radius-lg);
  box-shadow: var(--qb-shadow-sm); text-align: center; min-width: 200px; transition: var(--qb-transition);
}
.trust-card:hover { box-shadow: var(--qb-shadow-md); transform: translateY(-2px); }
.trust-card__score { font-size: 2.5rem; font-weight: 800; color: var(--qb-primary); display: block; margin-bottom: 8px; }
.trust-card__stars { color: #F59E0B; font-size: 1.125rem; margin-bottom: 4px; }
.trust-card__source { font-size: 0.85rem; color: var(--qb-text-muted); }

/* =============================================================
   HOW IT WORKS
   ============================================================= */
.how-section { padding: 100px 0; background: var(--qb-white); }
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.how-steps { display: flex; flex-direction: column; gap: 0; }
.how-step { display: flex; gap: 20px; cursor: pointer; padding: 20px 16px; border-radius: var(--qb-radius-md); transition: var(--qb-transition); }
.how-step:hover { background: var(--qb-gray-50); }
.how-step__indicator { display: flex; flex-direction: column; align-items: center; gap: 0; flex-shrink: 0; }
.how-step__number {
  width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--qb-gray-300);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.125rem;
  color: var(--qb-gray-500); background: var(--qb-white); transition: var(--qb-transition);
}
.how-step__line { width: 2px; flex: 1; min-height: 30px; background: var(--qb-gray-200); }
.how-step.is-active .how-step__number { border-color: var(--qb-green); background: var(--qb-green); color: #fff; }
.how-step.is-active .how-step__line { background: var(--qb-green); }
.how-step.is-active .how-step__title { color: var(--qb-primary); }
.how-step__title { font-size: 1.25rem; font-weight: 700; color: var(--qb-gray-700); margin-bottom: 4px; transition: var(--qb-transition); }
.how-step__body { font-size: 0.95rem; color: var(--qb-text-muted); margin: 0; }
.how-illustration { position: relative; }
.how-illustration__img { display: none; width: 100%; border-radius: var(--qb-radius-lg); box-shadow: var(--qb-shadow-lg); }
.how-illustration__img.active { display: block; }

/* =============================================================
   FEATURES SECTION
   ============================================================= */
.features-section { padding: 100px 0; background: var(--qb-off-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.feature-cards { display: flex; flex-direction: column; gap: 32px; }
.feature-card-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  background: var(--qb-white); border-radius: var(--qb-radius-xl); padding: 56px;
  box-shadow: var(--qb-shadow-sm); transition: var(--qb-transition);
}
.feature-card-hero:hover { box-shadow: var(--qb-shadow-lg); }
.feature-card-hero--reverse { direction: rtl; }
.feature-card-hero--reverse > * { direction: ltr; }
.feature-card-hero__heading { font-size: 2rem; font-weight: 800; color: var(--qb-gray-900); margin-bottom: 16px; }
.feature-card-hero__desc { font-size: 1.05rem; color: var(--qb-text-secondary); margin-bottom: 24px; }
.feature-card-hero__media { display: flex; justify-content: center; }
.feature-card-hero__img { width: 100%; border-radius: var(--qb-radius-lg); box-shadow: var(--qb-shadow-md); }

.feature-sub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-sub-card {
  background: var(--qb-white); border-radius: var(--qb-radius-lg); padding: 36px;
  box-shadow: var(--qb-shadow-sm); transition: var(--qb-transition);
}
.feature-sub-card:hover { box-shadow: var(--qb-shadow-lg); transform: translateY(-4px); }
.feature-sub-card__title { font-size: 1.25rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 12px; }
.feature-sub-card__desc { font-size: 0.95rem; color: var(--qb-text-muted); margin-bottom: 20px; }
.feature-sub-card__img { width: 100%; border-radius: var(--qb-radius-md); }

/* =============================================================
   ARCHITECTURE SECTION
   ============================================================= */
.arch-section { padding: 100px 0; background: var(--qb-off-white); border-radius: 80px 80px 0 0; }
.arch-layout { max-width: 800px; margin: 0 auto 40px; }
.arch-hub { text-align: center; margin-bottom: 32px; }
.arch-hub__card {
  display: inline-flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--qb-gray-50); border: 2px solid var(--qb-green);
  border-radius: var(--qb-radius-xl); padding: 28px 40px;
  box-shadow: var(--qb-shadow-lg); transition: var(--qb-transition);
}
.arch-hub__card i { font-size: 2.25rem; color: var(--qb-green); }
.arch-hub__card span { font-weight: 700; font-size: 1.05rem; color: var(--qb-gray-900); }
.arch-hub__card small { font-size: 0.85rem; color: var(--qb-text-muted); }
.arch-nodes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.arch-node-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  background: var(--qb-white); border: 1px solid var(--qb-gray-200);
  border-radius: var(--qb-radius-lg); padding: 22px 16px;
  box-shadow: var(--qb-shadow-sm); transition: var(--qb-transition);
}
.arch-node-card:hover { transform: translateY(-4px); box-shadow: var(--qb-shadow-lg); border-color: var(--qb-green); }
.arch-node-card i { font-size: 1.5rem; color: var(--qb-green); }
.arch-node-card span { font-weight: 700; font-size: 0.9rem; color: var(--qb-gray-900); }
.arch-node-card small { font-size: 0.8rem; color: var(--qb-text-muted); }
.arch-caption {
  text-align: center; font-size: 1rem; color: var(--qb-text-muted); max-width: 500px; margin: 0 auto; font-weight: 500;
}

/* =============================================================
   COMPARISON SECTION
   ============================================================= */
.compare-section { padding: 100px 0; background: var(--qb-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.compare-table-wrap { overflow-x: auto; box-shadow: var(--qb-shadow-md); border-radius: var(--qb-radius-lg); }
.compare-table { width: 100%; border-collapse: collapse; background: #fff; min-width: 700px; }
.compare-table thead { background: var(--qb-primary); }
.compare-table thead th {
  padding: 18px 24px; font-size: 1.05rem; font-weight: 700; color: #fff; text-align: center;
}
.compare-table thead th:first-child { text-align: left; }
.th-queuebos { background: rgba(0, 201, 167, 0.3); }
.th-traditional { background: rgba(255,255,255,0.1); }
.compare-table tbody td {
  padding: 16px 24px; font-size: 0.95rem; color: var(--qb-text-secondary); border-bottom: 1px solid var(--qb-gray-200); text-align: center;
}
.compare-table tbody td:first-child { font-weight: 600; color: var(--qb-gray-900); text-align: left; }
.td-queuebos { background: rgba(0, 201, 167, 0.04); font-weight: 600; color: var(--qb-gray-800); }
.td-queuebos.highlight { background: rgba(0, 201, 167, 0.1); color: var(--qb-green-dark); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: var(--qb-gray-50); }

/* =============================================================
   INDUSTRIES SECTION
   ============================================================= */
.industries-section { padding: 100px 0; background: var(--qb-off-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.industries-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.industry-card {
  background: var(--qb-white); padding: 36px; border-radius: var(--qb-radius-lg);
  box-shadow: var(--qb-shadow-sm); display: flex; gap: 24px; align-items: flex-start;
  transition: var(--qb-transition);
}
.industry-card:hover { box-shadow: var(--qb-shadow-lg); transform: translateY(-3px); }
.industry-card__title { font-size: 1.25rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 8px; }
.industry-card__desc { font-size: 0.95rem; color: var(--qb-text-muted); margin: 0; }
.industry-card__icon { font-size: 2.5rem; color: var(--qb-green); flex-shrink: 0; margin-top: 4px; }

/* =============================================================
   HARDWARE SECTION
   ============================================================= */
.hardware-section { padding: 100px 0; background: var(--qb-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.hardware-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.hardware-card {
  background: var(--qb-off-white); padding: 36px 24px; border-radius: var(--qb-radius-lg);
  text-align: center; transition: var(--qb-transition); position: relative; overflow: hidden;
}
.hardware-card:hover { transform: translateY(-4px); box-shadow: var(--qb-shadow-lg); }
.hardware-card--main { border: 2px solid var(--qb-green); background: var(--qb-white); }
.hardware-card__badge {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  background: var(--qb-green); color: #fff; font-size: 0.7rem; font-weight: 700; letter-spacing: 1px;
  padding: 4px 14px; border-radius: var(--qb-radius-full);
}
.hardware-card--main .hardware-card__badge { display: inline-block; }
.hardware-card__icon { font-size: 2rem; color: var(--qb-green); margin-bottom: 16px; }
.hardware-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 8px; }
.hardware-card__role { font-size: 0.875rem; color: var(--qb-text-muted); margin-bottom: 8px; }
.hardware-card__cost { font-size: 1.05rem; font-weight: 800; color: var(--qb-green); margin: 0; }

/* =============================================================
   TESTIMONIALS SECTION
   ============================================================= */
.testimonials-section { padding: 100px 0; background: var(--qb-off-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.testimonial-card {
  background: var(--qb-white); padding: 36px; border-radius: var(--qb-radius-lg);
  box-shadow: var(--qb-shadow-sm); transition: var(--qb-transition);
}
.testimonial-card:hover { box-shadow: var(--qb-shadow-lg); }
.testimonial-card__stars { color: #F59E0B; font-size: 1.125rem; margin-bottom: 16px; }
.testimonial-card__text { font-size: 1rem; color: var(--qb-text-secondary); font-style: italic; line-height: 1.8; margin-bottom: 20px; }
.testimonial-card__author { display: flex; align-items: center; gap: 14px; }
.testimonial-card__avatar {
  width: 52px; height: 52px; border-radius: 50%; background: var(--qb-accent);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.125rem; flex-shrink: 0;
}
.testimonial-card__author h4 { font-size: 1rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 2px; }
.testimonial-card__author p { font-size: 0.85rem; color: var(--qb-text-muted); margin: 0; }

/* =============================================================
   FAQ SECTION
   ============================================================= */
.faq-section { padding: 100px 0; background: var(--qb-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--qb-gray-200); border-radius: var(--qb-radius-md); margin-bottom: 14px; overflow: hidden; transition: var(--qb-transition); }
.faq-item:hover { border-color: var(--qb-gray-300); }
.faq-item.active { border-color: var(--qb-green); box-shadow: var(--qb-shadow-sm); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; background: #fff; border: none; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: var(--qb-gray-800); font-family: inherit; text-align: left;
  transition: var(--qb-transition);
}
.faq-question:hover { color: var(--qb-green); }
.faq-item.active .faq-question { color: var(--qb-green); background: var(--qb-gray-50); }
.faq-question i { font-size: 1.25rem; color: var(--qb-text-muted); transition: transform var(--qb-transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--qb-green); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 18px; margin: 0; color: var(--qb-text-secondary); font-size: 0.95rem; }

/* =============================================================
   FOOTER CTA
   ============================================================= */
.footer-cta { padding: 80px 0; background: var(--qb-primary); text-align: center; }
.footer-cta__content { margin-bottom: 36px; }
.footer-cta__heading { font-size: 2.25rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-cta__sub { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 0; }
.footer-cta__actions { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.footer-cta__btn-primary {
  display: inline-flex; align-items: center; gap: 10px; padding: 18px 40px;
  background: var(--qb-green); color: #fff; font-weight: 700; font-size: 1.15rem;
  border-radius: var(--qb-radius-md); border: none; cursor: pointer; transition: var(--qb-transition);
}
.footer-cta__btn-primary:hover { background: var(--qb-green-dark); color: #fff; transform: translateY(-2px); }
.footer-cta__actions-row { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* =============================================================
   CONTACT SECTION
   ============================================================= */
.contact-section { padding: 100px 0; background: var(--qb-off-white); border-radius: 80px 80px 0 0; position: relative; z-index: 2; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info__item { display: flex; align-items: flex-start; gap: 16px; }
.contact-info__icon {
  width: 48px; height: 48px; border-radius: var(--qb-radius-md); background: var(--qb-green);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.25rem; flex-shrink: 0;
}
.contact-info__item h4 { font-size: 1rem; font-weight: 700; color: var(--qb-gray-900); margin-bottom: 4px; }
.contact-info__item p { font-size: 0.95rem; color: var(--qb-text-muted); margin: 0; }
.contact-form-wrap { background: var(--qb-white); padding: 40px; border-radius: var(--qb-radius-xl); box-shadow: var(--qb-shadow-md); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--qb-gray-700); }
.form-group input, .form-group textarea {
  padding: 12px 16px; border: 2px solid var(--qb-gray-200); border-radius: var(--qb-radius-md);
  font-size: 0.95rem; font-family: inherit; transition: var(--qb-transition); background: #fff;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--qb-green); box-shadow: 0 0 0 3px rgba(0,201,167,0.1); }
.form-group input.is-invalid, .form-group textarea.is-invalid { border-color: #EF4444; }
.form-group textarea { min-height: 120px; resize: vertical; }

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer { padding: 80px 0 30px; background: var(--qb-gray-900); color: #fff; }
.footer-body { display: grid; grid-template-columns: 2fr 1.5fr; gap: 48px; margin-bottom: 50px; }
.footer-logo__img { height: 38px; margin-bottom: 16px; }
.footer-brand__desc { color: rgba(255,255,255,0.6); font-size: 0.95rem; max-width: 320px; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; transition: var(--qb-transition);
}
.footer-social a:hover { background: var(--qb-green); transform: translateY(-3px); }
.footer-nav { display: flex; gap: 48px; }
.footer-nav__col h3 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-nav__col ul { list-style: none; padding: 0; margin: 0; }
.footer-nav__col ul li { margin-bottom: 10px; }
.footer-nav__col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--qb-transition); }
.footer-nav__col ul li a:hover { color: var(--qb-green); }
.footer-bottom { padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom__links { display: flex; gap: 20px; }
.footer-bottom__links a { color: rgba(255,255,255,0.5); transition: var(--qb-transition); }
.footer-bottom__links a:hover { color: #fff; }

/* =============================================================
   WHATSAPP FLOAT
   ============================================================= */
.whatsapp-float {
  position: fixed; bottom: 90px; right: 30px; background: #25D366; border-radius: 50px;
  display: flex; align-items: center; gap: 10px; padding: 12px 22px; color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4); z-index: 999;
  font-weight: 600; font-size: 0.9rem; transition: transform 0.3s ease;
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; }
.whatsapp-float i { font-size: 1.35rem; }

/* =============================================================
   SCROLL TOP
   ============================================================= */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px;
  background: var(--qb-primary); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
  z-index: 998; opacity: 0; visibility: hidden; transition: var(--qb-transition); box-shadow: var(--qb-shadow-md);
}
.scroll-top.active { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--qb-green); color: #fff; transform: translateY(-3px); }

#preloader { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 9999; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1200px) {
  .hero-heading { font-size: 2.75rem; }
  .feature-sub-grid { grid-template-columns: repeat(2, 1fr); }
  .hardware-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-body { margin-left: auto; margin-right: auto; max-width: 100%; }
  .hero-cta-buttons, .hero-trust-badges { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .how-grid { grid-template-columns: 1fr; }
  .how-illustration { margin-top: 40px; }
  .feature-card-hero { grid-template-columns: 1fr; padding: 36px; text-align: center; }
  .feature-card-hero--reverse { direction: ltr; }
  .feature-sub-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-body { grid-template-columns: 1fr; }
  .nav-main { display: none; }
  .nav-main.active {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; padding: 24px; box-shadow: var(--qb-shadow-lg); gap: 16px;
  }
  .mobile-nav-toggle { display: flex; }
  .nav-actions .btn-outline-dark { display: none; }
  .section-heading-lg { font-size: 2.25rem; }
}
@media (max-width: 768px) {
  .hero-heading { font-size: 2.25rem; }
  .hero-section { padding: 120px 0 60px; }
  .trust-cards { gap: 16px; }
  .trust-card { min-width: 140px; padding: 20px 24px; }
  .trust-card__score { font-size: 2rem; }
  .industries-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .feature-sub-grid { grid-template-columns: 1fr; }
  .hardware-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-cta__heading { font-size: 1.75rem; }
  .footer-nav { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .hero-heading { font-size: 1.75rem; }
  .hero-cta-buttons { flex-direction: column; width: 100%; }
  .hero-cta-buttons .btn-solid-green-lg, .hero-cta-buttons .btn-outline-dark-lg { width: 100%; justify-content: center; }
  .trust-cards { flex-direction: column; align-items: center; }
  .hardware-grid { grid-template-columns: 1fr; }
  .feature-card-hero { padding: 24px; }
  .feature-card-hero__heading { font-size: 1.5rem; }
}