/* =====================
   RESET & BASE
===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --accent: #f4a261;
  --dark: #0d0d0d;
  --dark2: #1a1a2e;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --gradient: linear-gradient(135deg, #e63946 0%, #f4a261 100%);
  --gradient2: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --radius: 16px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul { list-style: none; }

/* =====================
   BUTTONS
===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(230, 57, 70, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }

.pulse {
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(230,57,70,0.35); }
  50% { box-shadow: 0 4px 32px rgba(230,57,70,0.65); }
}

/* =====================
   NAVBAR
===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.navbar.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
}
.logo-icon { font-size: 20px; }
.logo strong { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  font-weight: 500;
  font-size: 15px;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

.nav-cta { margin-left: 12px; }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  margin-left: auto;
  color: var(--dark);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px;
  background: #fff;
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 10px 0;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; margin-top: 8px; }
.mobile-menu.open { display: flex; }

/* =====================
   HERO
===================== */
.hero {
  min-height: 100vh;
  padding: 120px 24px 80px;
  background: var(--gradient2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.blob1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -100px; right: -100px;
  animation: float 8s ease-in-out infinite;
}
.blob2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -100px; left: -50px;
  animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(230,57,70,0.15);
  border: 1px solid rgba(230,57,70,0.3);
  color: #ff8080;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.dot {
  width: 8px; height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.hero-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-actions .btn-outline {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.3);
}
.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.hero-stats {
  display: flex;
  gap: 0;
  align-items: center;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 0 28px;
}
.stat:first-child { padding-left: 0; }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

.hero-visual {
  position: absolute;
  right: 80px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}

.live-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 24px;
  width: 300px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
  animation: float 6s ease-in-out infinite;
}
.live-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.live-badge {
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  animation: blink 1s infinite;
}
.live-viewers {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 600;
}
.live-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 100px;
  margin-bottom: 8px;
}
.bar {
  flex: 1;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  transition: height 0.5s ease;
}
.bar.active {
  background: var(--gradient);
}
.live-labels {
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  margin-bottom: 16px;
}
.order-ping {
  background: rgba(74,222,128,0.15);
  border: 1px solid rgba(74,222,128,0.3);
  color: #4ade80;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  animation: slideIn 0.5s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =====================
   TRUST BAR
===================== */
.trust-bar {
  padding: 28px 0;
  background: #f9fafb;
  border-bottom: 1px solid var(--border);
}
.trust-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.trust-logos {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.trust-logos span {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s;
}
.trust-logos span:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* =====================
   SECTIONS
===================== */
.section { padding: 96px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  background: rgba(230,57,70,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-tag.light {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* =====================
   SERVICES
===================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all 0.3s ease;
}
.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card.featured {
  background: var(--gradient2);
  border-color: transparent;
  color: #fff;
}
.service-card.featured h3,
.service-card.featured p { color: rgba(255,255,255,0.9); }
.service-card.featured p { color: rgba(255,255,255,0.65); }

.service-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}
.service-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =====================
   HOW IT WORKS
===================== */
.how-it-works { background: #f9fafb; }

.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  text-align: center;
}
.step-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 12px;
}
.step-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.step-content p {
  font-size: 14px;
  color: var(--text-muted);
}
.step-arrow {
  font-size: 28px;
  color: var(--primary);
  opacity: 0.4;
  padding-top: 24px;
}

/* =====================
   RESULTS
===================== */
.results-section { background: #fff; }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.3s ease;
}
.case-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.case-tag {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #f9fafb;
  border-radius: var(--radius-sm);
  padding: 12px 8px;
}
.metric-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
}
.metric-val.green { color: #16a34a; }
.metric-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}
.case-quote {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 12px;
  border-left: 3px solid var(--primary);
  padding-left: 12px;
}
.case-author {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

/* =====================
   FREE TRIAL
===================== */
.free-trial-section {
  padding: 0 0 0 0;
  background: #fff;
}
.free-trial-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, #e63946 0%, #f4a261 100%);
  border-radius: var(--radius);
  padding: 52px 60px;
  margin: 0 24px;
  position: relative;
  overflow: hidden;
}
.free-trial-card::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  top: -80px; right: 200px;
  pointer-events: none;
}
.free-trial-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.free-trial-left h2 {
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.2;
}
.free-trial-left h2 span {
  background: rgba(255,255,255,0.25);
  padding: 2px 12px;
  border-radius: 8px;
}
.free-trial-left p {
  font-size: 15px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 24px;
  line-height: 1.7;
  max-width: 520px;
}
.free-trial-left p strong { color: #fff; }
.free-trial-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
}
.trial-feat {
  font-size: 14px;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.12);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}
.free-trial-left .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.free-trial-left .btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}
.free-trial-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.trial-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 140px; height: 140px;
  background: rgba(255,255,255,0.15);
  border: 3px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  gap: 2px;
}
.trial-num {
  font-size: 64px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.trial-label {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  text-align: center;
  line-height: 1.3;
}
.trial-note {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  font-weight: 600;
  text-align: center;
}

/* trial notice */
.trial-notice {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.92);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* pay-after badge */
.pay-after-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(250,204,21,0.15);
  border: 1px solid rgba(250,204,21,0.4);
  color: #fbbf24;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 50px;
  margin-top: 14px;
}

/* Responsive free trial */
@media (max-width: 768px) {
  .free-trial-card {
    grid-template-columns: 1fr;
    padding: 36px 28px;
    margin: 0 16px;
    gap: 32px;
  }
  .free-trial-features { grid-template-columns: 1fr; }
  .free-trial-right { flex-direction: row; justify-content: center; }
}

/* =====================
   PRICING
===================== */
.pricing-section { background: #f9fafb; }

/* --- Service fee box --- */
.service-fee-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--gradient2);
  border-radius: var(--radius);
  padding: 40px 48px;
  margin-bottom: 48px;
  color: #fff;
}
.service-fee-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
}
.service-fee-price {
  font-size: 42px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1;
}
.service-fee-price span {
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  margin-left: 6px;
}
.service-fee-left p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}
.service-fee-left p strong { color: #fff; }
.service-fee-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.fee-item {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
}

/* --- Budget section --- */
.budget-section { margin-bottom: 40px; }
.budget-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  text-align: center;
}
.budget-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 32px;
}

.budget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.budget-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.budget-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.budget-card.featured {
  border-color: var(--primary);
  box-shadow: 0 8px 40px rgba(230,57,70,0.15);
}
.budget-card.budget-custom {
  border-style: dashed;
  background: #fafafa;
}

.budget-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 50px;
  white-space: nowrap;
}
.budget-amount {
  font-size: 26px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
  margin-top: 8px;
}
.budget-unit {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.budget-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}
.budget-reach {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 4px;
}
.budget-tag {
  display: inline-block;
  background: rgba(230,57,70,0.08);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.budget-card .btn { margin-top: auto; font-size: 13px; padding: 10px 20px; }

/* --- Notes row --- */
.pricing-notes-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pricing-note-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}
.pricing-note-item strong { color: var(--dark); }

/* =====================
   FAQ
===================== */
.faq-section { background: #fff; }
.faq-container { max-width: 720px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--primary); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  text-align: left;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 20px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}
.faq-answer p {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-question { color: var(--primary); }

/* =====================
   CONTACT
===================== */
.contact-section { background: var(--gradient2); }

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}
.contact-info p {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  margin-bottom: 32px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon { font-size: 22px; }
.contact-item strong {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.contact-item a {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  transition: color 0.2s;
}
.contact-item a:hover { color: var(--primary-light); }

.contact-form-wrap {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--dark);
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #f9fafb;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
  background: #fff;
}
.form-group textarea {
  height: 90px;
  resize: vertical;
}
.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* =====================
   FOOTER
===================== */
.footer {
  background: var(--dark);
  padding-top: 60px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; display: flex; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 300px;
}
.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--primary-light); }

.footer-bottom {
  padding: 20px 0;
}
.footer-bottom p {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* =====================
   TOAST
===================== */
.toast {
  position: fixed;
  bottom: 100px;
  right: 32px;
  background: #fff;
  border: 1px solid #d1fae5;
  color: #065f46;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .budget-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-notes-row { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: block; }

  .service-fee-box { grid-template-columns: 1fr; gap: 24px; padding: 28px 24px; }
  .budget-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-notes-row { grid-template-columns: 1fr 1fr; }

  .hero { padding: 100px 24px 60px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .stat { padding: 0; }

  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }

  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding: 0; }

  .contact-card { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 24px; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .section { padding: 64px 0; }
  .case-metrics { grid-template-columns: repeat(3, 1fr); }
  .budget-grid { grid-template-columns: 1fr; }
  .pricing-notes-row { grid-template-columns: 1fr; }
}

/* =====================
   FLOATING CHAT BUTTONS
===================== */
.chat-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.chat-float-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-float-buttons.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.chat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 12px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}

.chat-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.chat-zalo {
  background: linear-gradient(135deg, #0068FF, #0054d4);
}

.chat-mess {
  background: linear-gradient(135deg, #0084FF, #006adb);
}

.chat-float-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), #e03e1a);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255, 75, 43, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: chatPulse 2s infinite;
}

.chat-float-toggle:hover {
  transform: scale(1.1);
}

.chat-float-toggle.active {
  animation: none;
  transform: rotate(45deg);
}

@keyframes chatPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(255, 75, 43, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(255, 75, 43, 0.7); }
}