@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Plus+Jakarta+Sans:wght@500;700;800&display=swap');

/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
  --primary: #00afcc;
  --primary-dark: #0089a0;
  --primary-light: #e0f7fa;
  --primary-pale: #f0fbfd;
  
  --secondary: #0f2b48;
  --secondary-light: #1d3d5f;
  --secondary-muted: #3a5878;
  
  --accent: #ff9f1c;
  --accent-hover: #e5890b;
  --accent-light: #fff5e6;
  
  --bg-main: #f8fcff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  
  --text-dark: #1e293b;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --border-light: #e2e8f0;
  --border-primary: rgba(0, 175, 204, 0.2);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(15, 43, 72, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 43, 72, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 175, 204, 0.12);
  --shadow-primary: 0 8px 25px rgba(0, 175, 204, 0.3);
  --shadow-accent: 0 8px 25px rgba(255, 159, 28, 0.35);
  
  --font-main: 'Noto Sans JP', sans-serif;
  --font-heading: 'Noto Sans JP', 'Plus Jakarta Sans', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-body);
  line-height: 1.7;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Typography & Badges
   ========================================================================== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 48px auto;
}

.text-center { text-align: center; }

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--secondary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 175, 204, 0.25);
}

.logo-sub {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary-dark);
  display: block;
  line-height: 1;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.975rem;
  color: var(--secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after,
.nav-link:hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-phone svg {
  color: var(--primary);
}

/* Common Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 175, 204, 0.4);
  color: #ffffff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #ffffff;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 159, 28, 0.45);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Hamburger Menu Button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 26px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1002;
  padding: 0;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background: var(--secondary);
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  padding: 100px 32px 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 43, 72, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 100px;
  overflow: hidden;
  background: linear-gradient(135deg, #f0fbfd 0%, #f8fcff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.hero-badge-icon {
  color: var(--accent);
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-body);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrapper:hover .hero-image {
  transform: scale(1.03);
}

.hero-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 16px;
}

.float-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.float-card-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary);
}

.float-card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Concept / Intro Section
   ========================================================================== */
.concept-section {
  padding: 100px 0;
  background: var(--bg-card);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.concept-box {
  background: var(--primary-pale);
  border: 1px solid var(--border-primary);
  padding: 40px;
  border-radius: var(--radius-lg);
  position: relative;
}

.concept-quote {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  position: relative;
}

.concept-text {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}

.concept-features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.concept-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--secondary);
}

.concept-check-icon {
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Features / Strengths Section
   ========================================================================== */
.features-section {
  padding: 100px 0;
  background: var(--bg-main);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-primary);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-box {
  background: var(--primary);
  color: #ffffff;
  transform: scale(1.05);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Representative / Owner Profile Section
   ========================================================================== */
.owner-section {
  padding: 100px 0;
  background: var(--bg-card);
}

.owner-card {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.owner-image-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.owner-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.owner-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.owner-role {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.1em;

}

.owner-name {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.owner-bio {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.owner-traits {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.trait-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   Services Section (Services Overview & Details)
   ========================================================================== */
.services-section {
  padding: 100px 0;
  background: var(--bg-main);
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-item-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-item-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.service-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-price-tag {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: inline-block;
}

/* Process Step Flow (Service Page) */
.process-section {
  padding: 100px 0;
  background: var(--bg-card);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: 0 4px 12px rgba(0, 175, 204, 0.3);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: var(--bg-main);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 24px;
  background: var(--primary-pale);
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 20px 24px;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   CTA Banner Component
   ========================================================================== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--secondary) 0%, #15385d 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.cta-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 175, 204, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Contact Page & Form
   ========================================================================== */
.contact-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 100px;
  background: var(--bg-main);
}

.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  max-width: 840px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.975rem;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form-label .required {
  background: #ef4444;
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: var(--font-main);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-control.error {
  border-color: #ef4444;
  background: #fff5f5;
}

.error-message {
  color: #ef4444;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 6px;
  display: none;
}

.error-message.show {
  display: block;
}

.form-note {
  background: var(--primary-pale);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 32px;
  font-size: 0.9rem;
  color: var(--text-body);
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 43, 72, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-icon {
  width: 72px;
  height: 72px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  margin: 0 auto 20px auto;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ==========================================================================
   Page Top Button
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  border: none;
  box-shadow: var(--shadow-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  transition: var(--transition);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.back-to-top:hover {
  background: var(--secondary);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(15, 43, 72, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.8);
  padding: 80px 0 32px 0;
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-info-item {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-info-icon {
  color: var(--primary);
  font-size: 1.1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 32px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Responsive Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .concept-grid, .owner-card {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .features-grid, .service-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-title {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop, .btn-phone {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .features-grid, .service-card-grid, .process-steps, .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .owner-card {
    padding: 32px 24px;
  }
  
  .contact-card {
    padding: 28px 20px;
  }
}