/* ============================================
   AirMore Corporate Website - Style Sheet
   White base + Corporate Blue accent
   ============================================ */

/* ---------- VARIABLES ---------- */
:root {
  --blue-900: #002D5C;
  --blue-800: #003D7A;
  --blue-700: #004A94;
  --blue-600: #0055A4;
  --blue-500: #0066CC;
  --blue-400: #338FE0;
  --blue-300: #66B2FF;
  --blue-200: #99CCFF;
  --blue-100: #CCE5FF;
  --blue-50:  #E8F4FF;

  --gray-900: #1A1A2E;
  --gray-800: #2D2D44;
  --gray-700: #44445C;
  --gray-600: #5C5C74;
  --gray-500: #8888A0;
  --gray-400: #AAAABB;
  --gray-300: #D0D0DC;
  --gray-200: #E8E8F0;
  --gray-100: #F4F4F8;
  --gray-50:  #FAFAFC;

  --white: #FFFFFF;
  --black: #0A0A1A;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "Inter", var(--font-ja);

  --header-h: 72px;
  --section-py: 100px;
  --container-w: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
table { border-collapse: collapse; width: 100%; }
input, select, textarea {
  font: inherit;
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  background: var(--white);
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(0,102,204,.15);
}

/* ---------- UTILITIES ---------- */
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.sp-only { display: none; }
.text-accent { color: var(--blue-600); }
.required { color: var(--danger); font-size: .75rem; margin-left: 4px; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0,85,164,.3);
}
.btn-primary:hover { background: var(--blue-700); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,85,164,.4); }
.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--blue-600); }
.btn-outline-dark {
  border: 2px solid var(--blue-600);
  color: var(--blue-600);
}
.btn-outline-dark:hover { background: var(--blue-600); color: var(--white); }
.btn-outline-white { border: 2px solid var(--white); color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--blue-600); }
.btn-white { background: var(--white); color: var(--blue-600); }
.btn-white:hover { background: var(--blue-50); transform: translateY(-2px); }
.btn-product {
  border: 1.5px solid var(--blue-600);
  color: var(--blue-600);
  padding: 10px 24px;
  font-size: .875rem;
  border-radius: 50px;
}
.btn-product:hover { background: var(--blue-600); color: var(--white); }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
}
.logo-svg { display: block; height: 40px; width: auto; }
.logo-img { display: block; height: 52px; width: auto; object-fit: contain; }
.logo-img-footer { height: 40px; filter: brightness(0) invert(1); }
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-family: var(--font-en); font-size: 1.35rem; font-weight: 800; color: var(--blue-600); line-height: 1.1; letter-spacing: -.02em; }
.logo-sub { font-size: .65rem; color: var(--gray-500); letter-spacing: .1em; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-list a {
  padding: 8px 14px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-list a:hover { color: var(--blue-600); background: var(--blue-50); }
.nav-cta {
  background: var(--blue-600) !important;
  color: var(--white) !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { background: var(--blue-700) !important; }

/* Dropdown Menu */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 5px;
  vertical-align: 2px;
  transition: var(--transition);
}
.nav-dropdown:hover > a::after { transform: rotate(-135deg); }
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
  z-index: 1001;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block !important;
  padding: 10px 16px !important;
  font-size: .84rem !important;
  font-weight: 500;
  color: var(--gray-700) !important;
  border-radius: 8px;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-dropdown-menu a:hover {
  color: var(--blue-600) !important;
  background: var(--blue-50) !important;
}

.hamburger { display: none; width: 28px; height: 20px; position: relative; }
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-800);
  position: absolute;
  left: 0;
  transition: var(--transition);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.hamburger.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 40%, var(--blue-500) 100%);
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 20, 60, 0.6);
  z-index: 1;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 2;
}
.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(255,255,255,.04) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 2;
}
.hero-particles {
  position: absolute;
  inset: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
}
.hero-label {
  font-family: var(--font-en);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue-200);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: .02em;
}
.hero-title .text-accent { color: var(--blue-200); }
.hero-desc {
  font-size: 1.05rem;
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  display: block;
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-family: var(--font-en);
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%,100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: .3; transform: scaleY(.5); transform-origin: top; }
}

/* ========================================
   SECTIONS (Common)
   ======================================== */
.section { padding: var(--section-py) 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header-light .section-title,
.section-header-light .section-label { color: var(--white); }
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1rem;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- NEWS ---------- */
.section-news { padding: 60px 0; }
.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 900px;
  margin: 0 auto;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-200);
  transition: background .2s;
}
.news-item:first-child { border-top: 1px solid var(--gray-200); }
.news-date {
  font-family: var(--font-en);
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-500);
  flex-shrink: 0;
  min-width: 90px;
}
.news-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--blue-50);
  color: var(--blue-600);
  flex-shrink: 0;
  min-width: 64px;
  text-align: center;
}
.news-tag-media { background: #FFF7ED; color: #EA580C; }
.news-tag-event { background: #F0FDF4; color: #16A34A; }
.news-link {
  font-size: .9rem;
  color: var(--gray-800);
  text-decoration: none;
  transition: color .2s;
  line-height: 1.6;
}
.news-link:hover { color: var(--blue-600); }
@media (max-width: 768px) {
  .news-item {
    flex-wrap: wrap;
    gap: 8px 12px;
  }
  .news-link { width: 100%; }
}

/* ---------- PROBLEM ---------- */
.section-problem { background: var(--gray-50); }
.problem-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-200); }
.problem-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--blue-600);
}
.problem-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--gray-900); margin-bottom: 12px; }
.problem-card p { font-size: .9rem; color: var(--gray-600); line-height: 1.7; }

/* ---------- SERVICES ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-300); }
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-num {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 900;
  color: var(--blue-100);
  line-height: 1;
  margin-bottom: 8px;
}
.service-icon { width: 56px; height: 56px; margin-bottom: 16px; }
.service-title { font-size: 1.15rem; font-weight: 700; color: var(--gray-900); margin-bottom: 12px; }
.service-desc { font-size: .9rem; color: var(--gray-600); margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 8px; }
.service-features li {
  font-size: .85rem;
  color: var(--gray-700);
  padding-left: 20px;
  position: relative;
}
.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ---------- RESULTS ---------- */
.section-results {
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-600) 100%);
  color: var(--white);
}
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
.result-card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}
.result-card:hover { background: rgba(255,255,255,.15); transform: translateY(-4px); }
.result-icon { font-size: 2rem; margin-bottom: 12px; line-height: 1; display: flex; justify-content: center; }
.result-value {
  font-family: var(--font-en);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
}
.result-unit { font-size: 1.5rem; font-weight: 700; }
.result-label { font-size: .95rem; font-weight: 600; margin-bottom: 12px; color: var(--blue-200); }
.result-desc { font-size: .82rem; color: rgba(255,255,255,.7); line-height: 1.6; }

/* Counter animation */
.counter { transition: none; }
.counter.animated {
  animation: counterPulse .4s ease-out;
}
@keyframes counterPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ---------- PRODUCTS ---------- */
.section-products { background: var(--gray-50); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.product-image { margin-bottom: 20px; }
.product-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--blue-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-placeholder svg { width: 80px; height: 80px; }
.product-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.product-name-en {
  display: block;
  font-family: var(--font-en);
  font-size: .75rem;
  font-weight: 600;
  color: var(--blue-500);
  letter-spacing: .15em;
  margin-top: 2px;
}
.product-desc { font-size: .88rem; color: var(--gray-600); margin-bottom: 16px; line-height: 1.7; }
.product-specs { margin-bottom: 24px; flex-grow: 1; }
.product-specs li {
  font-size: .82rem;
  color: var(--gray-600);
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}
.product-specs li strong { color: var(--gray-800); }
.products-cta { text-align: center; margin-top: 48px; }

/* ---------- CASE STUDIES ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.case-title { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 20px; line-height: 1.5; }
.case-metrics { display: flex; gap: 24px; margin-bottom: 16px; }
.case-metric { text-align: center; }
.case-metric-val {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue-600);
  line-height: 1;
}
.case-metric-unit { font-size: .8rem; color: var(--blue-600); font-weight: 600; }
.case-metric-label { display: block; font-size: .72rem; color: var(--gray-500); margin-top: 4px; }
.case-desc { font-size: .85rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 16px; }
.case-link { font-size: .85rem; font-weight: 600; color: var(--blue-600); transition: var(--transition); }
.case-link:hover { color: var(--blue-800); }

/* ---------- ARTICLES ---------- */
.section-articles { background: var(--gray-50); }
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-image { height: 160px; background: var(--blue-50); }
.article-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
}
.article-body { padding: 24px; }
.article-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.article-date { font-size: .75rem; color: var(--gray-500); font-family: var(--font-en); }
.article-category {
  font-size: .7rem;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 2px 10px;
  border-radius: 50px;
}
.article-title { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; line-height: 1.5; }
.article-excerpt { font-size: .82rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-link { font-size: .82rem; font-weight: 600; color: var(--blue-600); }
.article-link:hover { color: var(--blue-800); }
.articles-more { text-align: center; margin-top: 48px; }

/* ---------- SIMULATOR CTA ---------- */
.section-simulator-cta {
  background: var(--white);
}
.simulator-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--white) 100%);
  border-radius: var(--radius-lg);
  padding: 60px;
  border: 1px solid var(--blue-100);
}
.simulator-cta-text .section-label { margin-bottom: 12px; }
.simulator-cta-text h2 { font-size: 1.8rem; font-weight: 800; color: var(--gray-900); margin-bottom: 16px; }
.simulator-cta-text p { font-size: .95rem; color: var(--gray-600); margin-bottom: 32px; }

.simulator-preview {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 32px;
  height: 220px;
  position: relative;
  padding-bottom: 20px;
}
.sim-bar {
  width: 80px;
  height: var(--h);
  background: linear-gradient(to top, var(--blue-600), var(--blue-400));
  border-radius: 8px 8px 0 0;
  position: relative;
  animation: simBarGrow 1.5s ease-out;
}
.sim-bar span {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}
.sim-bar-improved {
  background: linear-gradient(to top, var(--success), #34D399);
}
.sim-arrow {
  position: absolute;
  top: 10px;
  right: 0;
  font-size: .85rem;
  color: var(--success);
}
.sim-arrow strong { font-family: var(--font-en); }
@keyframes simBarGrow {
  from { height: 0; }
  to { height: var(--h); }
}

/* ---------- ABOUT ---------- */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-message h3 { font-size: 1.6rem; font-weight: 800; color: var(--gray-900); margin-bottom: 20px; line-height: 1.5; }
.about-message p { font-size: .95rem; color: var(--gray-600); margin-bottom: 16px; }
.about-table { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; }
.about-table th,
.about-table td { padding: 16px 20px; font-size: .9rem; text-align: left; border-bottom: 1px solid var(--gray-200); }
.about-table th { background: var(--gray-50); color: var(--gray-700); font-weight: 600; width: 140px; white-space: nowrap; }
.about-table td { color: var(--gray-800); }
.about-table tr:last-child th,
.about-table tr:last-child td { border-bottom: none; }

/* ---------- FLOW ---------- */
.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.flow-step {
  text-align: center;
  flex: 1;
  max-width: 200px;
}
.flow-step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 800;
}
.flow-step h3 { font-size: .95rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.flow-step p { font-size: .8rem; color: var(--gray-600); line-height: 1.6; }
.flow-connector {
  width: 40px;
  height: 2px;
  background: var(--blue-300);
  margin-top: 24px;
  flex-shrink: 0;
}

/* ---------- FAQ ---------- */
.section-faq { background: var(--gray-50); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active { border-color: var(--blue-300); box-shadow: var(--shadow-md); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--blue-600); }
.faq-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--gray-500);
  transition: var(--transition);
}
.faq-item.active .faq-arrow { transform: rotate(180deg); color: var(--blue-600); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ---------- CTA ---------- */
.section-cta {
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  color: var(--white);
}
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 16px; line-height: 1.5; }
.cta-inner p { font-size: .95rem; color: rgba(255,255,255,.8); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-info-item { display: flex; gap: 16px; }
.contact-info-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-info-label { font-size: .8rem; color: var(--gray-500); margin-bottom: 4px; }
.contact-info-value { font-size: 1.1rem; font-weight: 600; color: var(--gray-900); }
.contact-info-value a { color: var(--blue-600); }
.contact-info-value a:hover { text-decoration: underline; }
.contact-info-note { font-size: .78rem; color: var(--gray-500); margin-top: 4px; }

.contact-form {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.footer-logo .logo-svg-footer { height: 36px; width: auto; }
.footer-logo .logo-main { color: var(--white); font-size: 1.5rem; }
.footer-logo .logo-sub { color: var(--gray-500); }
.footer-address { font-size: .82rem; line-height: 1.8; color: var(--gray-500); }

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-nav h4 { font-size: .85rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { font-size: .82rem; color: var(--gray-500); transition: var(--transition); }
.footer-nav a:hover { color: var(--white); }

.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: .75rem; color: var(--gray-600); }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-700); transform: translateY(-2px); }

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .services-grid,
  .products-grid,
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .simulator-cta-inner { grid-template-columns: 1fr; }
  .simulator-preview { height: 180px; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; --header-h: 60px; }
  .sp-only { display: inline; }

  .hamburger { display: block; z-index: 1001; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 80px 24px 40px;
    transition: right .35s ease;
    z-index: 1000;
    overflow-y: auto;
  }
  .nav.open { right: 0; }
  .nav-list { flex-direction: column; gap: 0; align-items: stretch; }
  .nav-list > li > a { display: block; padding: 14px 16px; font-size: 1rem; border-radius: 8px; text-align: left; }
  .nav-list a { display: block; padding: 14px 16px; font-size: 1rem; border-radius: 8px; text-align: left; }
  .nav-cta { margin-top: 16px; text-align: center; }
  .nav-dropdown > a::after {
    display: inline-block;
    transition: transform .25s ease;
  }
  .nav-dropdown.open > a::after {
    transform: rotate(-135deg);
  }
  .nav-dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    min-width: auto;
    padding: 0 0 0 16px;
    background: transparent;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height .3s ease, opacity .3s ease, visibility .3s ease;
  }
  .nav-dropdown.open .nav-dropdown-menu {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
  }
  .nav-dropdown-menu a {
    padding: 10px 16px !important;
    font-size: .9rem !important;
    color: var(--gray-500) !important;
  }

  .hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-title { font-size: 1.8rem; }
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 2rem; }

  .problem-cards,
  .services-grid,
  .products-grid,
  .cases-grid,
  .results-grid,
  .articles-grid { grid-template-columns: 1fr; }

  .about-content,
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }

  .flow-steps { flex-direction: column; align-items: center; gap: 0; }
  .flow-connector { width: 2px; height: 24px; }

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

  .simulator-cta-inner { padding: 32px; }
  .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 280px; }
  .footer-nav { grid-template-columns: 1fr; }
}