/* ============================================================
   有限会社一設 公式サイト — スタイルシート
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --color-primary:       #1a3a6e;  /* 深い紺 */
  --color-primary-dark:  #0f2347;
  --color-primary-light: #2454a0;
  --color-accent:        #e85a1b;  /* 温かみのあるオレンジ */
  --color-accent-light:  #f47843;
  --color-bg:            #f6f7fb;
  --color-bg-alt:        #eef0f7;
  --color-white:         #ffffff;
  --color-text:          #1a1a2e;
  --color-text-mid:      #4a4a6a;
  --color-text-light:    #7a7a9a;
  --color-border:        #dde0ec;
  --color-success:       #22a06b;

  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', Georgia, serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(26,58,110,0.08);
  --shadow-md: 0 6px 24px rgba(26,58,110,0.12);
  --shadow-lg: 0 16px 48px rgba(26,58,110,0.16);

  --transition: 0.25s ease;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

ul { list-style: none; }

address { font-style: normal; }

/* ---- Container ---- */
.container {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(232,90,27,0.35);
}
.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,90,27,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  font-size: 1rem;
}
.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
  font-size: 1rem;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-white);
}

.btn-full { width: 100%; justify-content: center; }

/* ---- Section Common ---- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 14px;
  background: rgba(232,90,27,0.08);
  border-radius: 50px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-mid);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.logo a {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 900;
  flex-shrink: 0;
  transition: background var(--transition);
}

.site-header.scrolled .logo-mark { background: var(--color-primary); }

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.logo-company {
  font-size: 1rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
  transition: color var(--transition);
}

.logo-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.2;
  transition: color var(--transition);
}

.site-header.scrolled .logo-company { color: var(--color-primary); }
.site-header.scrolled .logo-sub    { color: var(--color-text-light); }

/* Global Nav */
.global-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-nav ul li a {
  display: block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: all var(--transition);
}

.global-nav ul li a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.12);
}

.site-header.scrolled .global-nav ul li a { color: var(--color-text-mid); }
.site-header.scrolled .global-nav ul li a:hover { color: var(--color-primary); background: var(--color-bg-alt); }

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px rgba(232,90,27,0.3);
}
.nav-cta:hover {
  background: var(--color-accent-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(232,90,27,0.4) !important;
  background: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}
.site-header.scrolled .hamburger span { background: var(--color-primary); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: 999;
  padding: 20px 24px 32px;
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition);
}
.mobile-nav-overlay.open {
  transform: translateY(0);
  opacity: 1;
}
.mobile-nav-overlay ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-mid);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav-link:hover { color: var(--color-primary); background: var(--color-bg); }
.mobile-nav-cta {
  margin-top: 12px;
  background: var(--color-accent);
  color: var(--color-white) !important;
  text-align: center;
  border-radius: 50px;
  font-weight: 700 !important;
  border-bottom: none !important;
}
.mobile-nav-cta:hover { background: var(--color-accent-light) !important; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10,24,60,0.82) 0%,
    rgba(26,58,110,0.65) 55%,
    rgba(26,58,110,0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(232,90,27,0.85);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-title em {
  font-style: normal;
  color: #ffc46b;
}

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.88);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-tel {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-tel a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.03em;
}

.hero-tel a:hover { color: #ffc46b; }

.hero-tel small {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  padding-left: 28px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* ============================================================
   INFO BAR
   ============================================================ */
.info-bar {
  background: var(--color-primary);
  padding: 28px 0;
}

.info-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.12);
  color: var(--color-white);
}
.info-item:last-child { border-right: none; }

.info-item svg { flex-shrink: 0; opacity: 0.8; }

.info-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.info-item span {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--color-text-mid);
  margin-bottom: 20px;
  line-height: 1.85;
}

.about-text p strong { color: var(--color-primary); }

.about-info-table {
  margin-top: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.dl-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--color-border);
}
.dl-row:last-child { border-bottom: none; }

dt {
  background: var(--color-bg-alt);
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

dd {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--color-text-mid);
  display: flex;
  align-items: center;
}

dd a:hover { color: var(--color-accent); }

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(10,24,60,0.88);
  backdrop-filter: blur(8px);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
}

.badge-num {
  font-size: 1rem;
  font-weight: 900;
  color: #ffc46b;
}

.badge-label {
  font-size: 0.78rem;
  opacity: 0.85;
  margin-top: 2px;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: default;
}

.service-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.service-card--highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  grid-column: span 1;
}
.service-card--highlight:hover {
  border-color: var(--color-accent);
}

.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.service-card--highlight .service-icon { color: var(--color-white); opacity: 0.9; }

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.service-card--highlight h3 { color: var(--color-white); }

.service-card p {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  line-height: 1.7;
}

.service-card--highlight p { color: rgba(255,255,255,0.82); }

.new-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  background: var(--color-bg-alt);
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--color-primary);
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.feature-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.12;
  line-height: 1;
  flex-shrink: 0;
  font-family: var(--font-serif);
  min-width: 72px;
  text-align: right;
}

.feature-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  position: relative;
}

.feature-body h3::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
  flex-shrink: 0;
}

.feature-body p {
  font-size: 0.95rem;
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* ============================================================
   FLOW
   ============================================================ */
.flow {
  background: var(--color-white);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  gap: 0;
}

.flow-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  width: 100%;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.flow-step:hover { box-shadow: var(--shadow-md); }

.flow-step-num {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  flex-shrink: 0;
}

.flow-step-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.flow-step-content p {
  font-size: 0.88rem;
  color: var(--color-text-mid);
  line-height: 1.75;
}

.flow-arrow {
  font-size: 1rem;
  color: var(--color-accent);
  padding: 8px 0;
  line-height: 1;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  top: -200px;
  right: -100px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  bottom: -150px;
  left: -80px;
}

.cta-banner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  font-size: 1rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.cta-banner-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  position: relative;
  z-index: 1;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--color-bg);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.contact-tel-block {
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.contact-tel-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
  font-weight: 500;
}

.contact-tel-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}
.contact-tel-num:hover { color: #ffc46b; }

.contact-tel-hours {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

.contact-address-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-address-block address {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.8;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

/* Form */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  font-size: 0.7rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 4px rgba(36,84,160,0.08);
  background: var(--color-white);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: -8px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  padding: 60px 24px;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand .logo-mark {
  background: rgba(255,255,255,0.1);
  font-size: 1.2rem;
  width: 50px;
  height: 50px;
}

.footer-company {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
}

.footer-links ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.footer-links ul li a:hover { color: var(--color-white); }

.footer-contact {
  text-align: right;
}

.footer-contact a {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.footer-contact a:hover { color: #ffc46b; }

.footer-contact address {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   SCROLL TOP BTN
   ============================================================ */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition);
  z-index: 500;
}

.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top-btn:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .info-item {
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }
  .info-item:nth-child(2n) { border-right: none; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .global-nav { display: none; }

  .hamburger { display: flex; }
  .mobile-nav-overlay { display: block; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual { order: -1; }
  .about-img-wrap img { height: 280px; }

  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .service-card { padding: 24px 16px; }

  .info-bar-inner {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
  }

  .feature-item {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px;
  }

  .feature-num {
    font-size: 2rem;
    min-width: auto;
    text-align: left;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form { padding: 28px 20px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 24px;
  }

  .footer-contact { text-align: left; }

  .hero-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }

  .hero-scroll-hint { display: none; }

  .cta-banner-actions { flex-direction: column; align-items: center; }
  .btn { padding: 14px 24px; }
}

@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .info-bar-inner {
    grid-template-columns: 1fr;
  }
  .info-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }

  .footer-links ul { flex-direction: column; gap: 4px; }
}