/* ============================================================
   VISAJAPAN.VN – MAIN STYLESHEET
   Architecture: Custom Properties → Reset → Layout → Components → Utilities
   ============================================================ */

/* ── CUSTOM PROPERTIES ─────────────────────────────────────── */
:root {
  --clr-primary:       #E31C1C;   /* Japan red */
  --clr-primary-dark:  #B01515;
  --clr-primary-light: #FF4444;
  --clr-accent:        #FFD700;   /* Gold */
  --clr-dark:          #0F0F1A;
  --clr-dark-2:        #1A1A2E;
  --clr-gray:          #F5F6FA;
  --clr-gray-2:        #E8E9EF;
  --clr-text:          #1A1A2E;
  --clr-text-muted:    #6B7280;
  --clr-white:         #FFFFFF;
  --clr-success:       #10B981;

  --ff-base: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;
  --fw-bold:   700;
  --fw-xbold:  800;

  --fs-xs:   0.75rem;    /* 12px */
  --fs-sm:   0.875rem;   /* 14px */
  --fs-base: 1rem;       /* 16px */
  --fs-lg:   1.125rem;   /* 18px */
  --fs-xl:   1.25rem;    /* 20px */
  --fs-2xl:  1.5rem;     /* 24px */
  --fs-3xl:  1.875rem;   /* 30px */
  --fs-4xl:  2.25rem;    /* 36px */
  --fs-5xl:  3rem;       /* 48px */

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 25px rgba(0,0,0,.1), 0 10px 10px rgba(0,0,0,.04);
  --shadow-red: 0 8px 32px rgba(227,28,28,.35);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --header-h: 72px;
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-base);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--clr-text);
  background: var(--clr-white);
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; background: none; border: none; }
input, select, textarea { font: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: var(--fw-bold); }

/* ── ACCESSIBILITY ──────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--clr-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── LAYOUT ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.section {
  padding-block: var(--space-20);
}
.section--gray { background: var(--clr-gray); }
.section--dark {
  background: var(--clr-dark-2);
  color: var(--clr-white);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-6);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semi);
  font-size: var(--fs-base);
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
}
.btn-sm { padding: 0.4rem var(--space-4); font-size: var(--fs-sm); }
.btn-lg { padding: 0.875rem var(--space-8); font-size: var(--fs-lg); }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-red);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(227,28,28,.45);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
  border-color: rgba(255,255,255,.4);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  background: rgba(255,255,255,.25);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--clr-white);
  color: var(--clr-primary);
  border-color: var(--clr-white);
  font-weight: var(--fw-bold);
}
.btn-white:hover { background: var(--clr-gray); transform: translateY(-2px); }

.btn-outline-white {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,.7);
}
.btn-outline-white:hover { background: rgba(255,255,255,.1); transform: translateY(-2px); }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-gray-2);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xl);
  flex-shrink: 0;
}
.logo-icon { font-size: 1.5rem; }
.logo-text { font-weight: var(--fw-bold); color: var(--clr-text); letter-spacing: -0.02em; }
.logo-text strong { color: var(--clr-primary); }

.main-nav { margin-inline: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-link {
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  font-size: var(--fs-sm);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-primary);
  transition: width var(--transition);
  border-radius: var(--radius-full);
}
.nav-link:hover, .nav-link.active { color: var(--clr-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: min(320px, 90vw);
  height: 100vh;
  background: var(--clr-white);
  z-index: 200;
  padding: var(--space-16) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  transition: right var(--transition);
  box-shadow: var(--shadow-xl);
}
.mobile-nav.is-open { right: 0; }
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav a {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--clr-gray-2);
  display: block;
}
.mobile-nav__close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  font-size: var(--fs-xl);
  padding: var(--space-2);
}
.mobile-nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-nav-overlay.is-visible { opacity: 1; pointer-events: auto; }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  background: var(--clr-dark);
  overflow: hidden;
  padding-block: var(--space-16);
}
.hero-photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(15,15,26,.92) 0%, rgba(26,10,10,.88) 50%, rgba(45,10,10,.85) 100%),
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(227,28,28,.15), transparent),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(227,28,28,.08), transparent);
  pointer-events: none;
  z-index: 1;
}
.hero-bg::before {
  content: '🗾';
  position: absolute;
  right: -2rem; top: 50%;
  transform: translateY(-50%);
  font-size: clamp(10rem, 30vw, 24rem);
  opacity: 0.04;
  pointer-events: none;
  line-height: 1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: var(--space-10);
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}
.hero-passport-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-xl);
}
.hero-img-badge {
  position: absolute;
  bottom: var(--space-4); left: var(--space-4);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-md);
}
.badge-star { font-size: 1.5rem; }
.hero-img-badge strong { display: block; font-size: var(--fs-xl); color: var(--clr-text); line-height: 1; }
.hero-img-badge span { font-size: var(--fs-xs); color: var(--clr-text-muted); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,215,0,.15);
  color: var(--clr-accent);
  border: 1px solid rgba(255,215,0,.3);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  margin-bottom: var(--space-4);
  width: fit-content;
}
.hero-title {
  font-size: clamp(var(--fs-3xl), 5vw, var(--fs-5xl));
  font-weight: var(--fw-xbold);
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(135deg, #FF6B6B, var(--clr-primary), #FF4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  color: rgba(255,255,255,.75);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}
.hero-desc strong { color: var(--clr-white); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding: var(--space-4);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}
.stat-item {
  text-align: center;
  padding: var(--space-2);
}
.stat-num {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: var(--fw-xbold);
  color: var(--clr-primary);
  line-height: 1;
}
.stat-unit {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
}
.stat-label {
  display: block;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.6);
  margin-top: var(--space-1);
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.trust-item {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.7);
}

/* Hero form */
.hero-form-wrap { flex-shrink: 0; }
.hero-form-card {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}
.form-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-2);
  text-align: center;
}
.text-red { color: var(--clr-primary); }
.form-subtitle {
  text-align: center;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--fs-sm);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-text);
}
.form-group label span { color: var(--clr-primary); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem var(--space-4);
  border: 2px solid var(--clr-gray-2);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--clr-white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(227,28,28,.12);
}
.form-group input.is-invalid,
.form-group select.is-invalid {
  border-color: var(--clr-primary);
}
.form-error {
  font-size: var(--fs-xs);
  color: var(--clr-primary);
  min-height: 1em;
}
.form-note {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  margin-top: var(--space-2);
}

/* Form success state */
.form-success {
  text-align: center;
  padding: var(--space-8);
}
.success-icon { font-size: 3rem; margin-bottom: var(--space-4); }
.form-success h3 { font-size: var(--fs-xl); margin-bottom: var(--space-2); color: var(--clr-success); }

/* ── TRUST BAR ──────────────────────────────────────────────── */
.trust-bar {
  background: var(--clr-primary);
  padding-block: var(--space-3);
  overflow: hidden;
}
.trust-bar-inner {
  display: flex;
  gap: var(--space-10);
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.trust-bar-inner span {
  color: var(--clr-white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SECTION HEADER ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-header--light .section-title,
.section-header--light .section-desc { color: var(--clr-white); }

.section-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(227,28,28,.1);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  margin-bottom: var(--space-3);
  border: 1px solid rgba(227,28,28,.2);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.section-tag--light {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  border-color: rgba(255,255,255,.2);
}
.section-title {
  font-size: clamp(var(--fs-2xl), 3vw, var(--fs-4xl));
  font-weight: var(--fw-xbold);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ── SERVICES ───────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--clr-white);
  border: 2px solid var(--clr-gray-2);
  border-radius: var(--radius-xl);
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}
.service-card--featured {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-red);
}
.service-badge {
  position: absolute;
  top: -1px; right: var(--space-6);
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.service-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.service-card h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}
.service-card p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
  line-height: 1.65;
}
.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.service-features li {
  font-size: var(--fs-sm);
  color: var(--clr-text);
  padding-left: var(--space-4);
  position: relative;
}
.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-success);
  font-weight: var(--fw-bold);
}

/* ── PROCESS ────────────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  counter-reset: step;
  position: relative;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  gap: var(--space-4);
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.step-number {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-xbold);
  color: rgba(227,28,28,.12);
  line-height: 1;
}
.step-content h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.step-content p { font-size: var(--fs-sm); color: var(--clr-text-muted); }
.step-icon { font-size: 2rem; }

/* ── PRICING ────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-4);
}
.pricing-card {
  position: relative;
  border: 2px solid var(--clr-gray-2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--clr-white);
  transition: all var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.pricing-card--featured {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-red);
  transform: scale(1.03);
}
.pricing-card--featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-badge {
  background: var(--clr-primary);
  color: var(--clr-white);
  text-align: center;
  padding: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pricing-header {
  padding: var(--space-8);
  border-bottom: 1px solid var(--clr-gray-2);
  text-align: center;
}
.pricing-header h3 { font-size: var(--fs-2xl); margin-bottom: var(--space-4); }
.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}
.price-amount {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-xbold);
  color: var(--clr-primary);
}
.price-currency { font-size: var(--fs-sm); color: var(--clr-text-muted); font-weight: var(--fw-medium); }
.pricing-header p { font-size: var(--fs-sm); color: var(--clr-text-muted); }
.pricing-features {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pricing-features li { font-size: var(--fs-sm); }
.pricing-features li.disabled { color: var(--clr-text-muted); opacity: 0.5; }
.pricing-card .btn { margin: 0 var(--space-8) var(--space-8); width: calc(100% - var(--space-16)); }
.pricing-note {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  margin-top: var(--space-2);
}

/* ── WHY US ─────────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}
.why-item {
  text-align: center;
  padding: var(--space-8);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.05);
  transition: all var(--transition);
}
.why-item:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(227,28,28,.4);
  transform: translateY(-4px);
}
.why-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.why-item h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
  color: var(--clr-white);
}
.why-item p {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.65);
  line-height: 1.65;
}

/* ── REVIEWS ────────────────────────────────────────────────── */
.rating-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.rating-score {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-xbold);
  color: var(--clr-text);
}
.rating-stars { color: #F59E0B; font-size: var(--fs-2xl); }
.rating-count { color: var(--clr-text-muted); font-size: var(--fs-sm); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.review-card {
  padding: var(--space-8);
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.review-stars { color: #F59E0B; font-size: var(--fs-lg); }
.review-text {
  font-size: var(--fs-sm);
  color: var(--clr-text);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--clr-gray-2);
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--clr-gray-2);
}
.review-author strong { display: block; font-size: var(--fs-sm); }
.review-author span { font-size: var(--fs-xs); color: var(--clr-text-muted); }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq-list { max-width: 800px; margin-inline: auto; display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--clr-gray-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-white);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  text-align: left;
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  color: var(--clr-text);
  gap: var(--space-4);
  transition: background var(--transition);
}
.faq-question:hover { background: var(--clr-gray); }
.faq-question[aria-expanded="true"] { color: var(--clr-primary); }
.faq-icon {
  font-size: var(--fs-xl);
  font-weight: var(--fw-light);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
  color: var(--clr-primary);
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 var(--space-6) var(--space-6);
  animation: fadeIn 0.25s ease;
}
.faq-answer p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.7;
}
.faq-answer strong { color: var(--clr-text); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ── CTA BOTTOM ─────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
  padding-block: var(--space-20);
}
.cta-inner { text-align: center; }
.cta-content h2 {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  color: var(--clr-white);
  margin-bottom: var(--space-4);
  font-weight: var(--fw-xbold);
}
.cta-content p {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,.8);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer { background: var(--clr-dark); color: rgba(255,255,255,.75); }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-block: var(--space-16);
}
.footer-brand .logo { margin-bottom: var(--space-4); }
.footer-brand .logo-text { color: var(--clr-white); }
.footer-brand p { font-size: var(--fs-sm); line-height: 1.7; }
.footer-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.footer-socials a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,.75);
  transition: all var(--transition);
}
.footer-socials a:hover { background: var(--clr-primary); color: var(--clr-white); }

.footer-nav h3 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer-nav ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-nav a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--clr-white); }

.footer-contact h3 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer-contact address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-contact p, .footer-contact a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--clr-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: var(--space-6);
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-bottom p, .footer-bottom a { font-size: var(--fs-xs); color: rgba(255,255,255,.45); }
.footer-bottom nav { display: flex; gap: var(--space-4); }
.footer-bottom a:hover { color: var(--clr-white); }

/* ── FLOATING ACTION BUTTONS ────────────────────────────────── */
.floating-actions {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 90;
}
.fab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  color: var(--clr-white);
}
.fab-btn:hover { transform: translateY(-3px) scale(1.08); box-shadow: var(--shadow-xl); }
.fab-phone { background: var(--clr-primary); animation: pulse 2.5s infinite; }
.fab-zalo { background: #0068FF; }
.fab-scroll-top { background: var(--clr-text); }
@keyframes pulse {
  0%, 100% { box-shadow: var(--shadow-lg), 0 0 0 0 rgba(227,28,28,.5); }
  50%       { box-shadow: var(--shadow-lg), 0 0 0 12px rgba(227,28,28,0); }
}

/* ── UTILITIES ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted   { color: var(--clr-text-muted); }
[hidden]      { display: none !important; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { max-width: 520px; margin-inline: auto; width: 100%; }
  .hero-img-wrap { aspect-ratio: 16/7; }
  .hero-form-wrap { max-width: 520px; margin-inline: auto; width: 100%; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --space-20: 3.5rem; }
  .main-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat-num   { font-size: var(--fs-2xl); }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .rating-summary { flex-direction: column; gap: var(--space-2); }
  .process-steps { grid-template-columns: 1fr; }
}

.pricing-grid--2col {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: 820px;
  margin-inline: auto;
}

/* ── PRINT ──────────────────────────────────────────────────── */
@media print {
  .site-header, .floating-actions, .trust-bar,
  .cta-section, .hero-actions, #contactForm, .footer-socials { display: none !important; }
  body { color: #000; }
}