/* ============================================
   Loredove Corporate Site - Global Stylesheet
   Design Concept: "Intelligent Grid" 
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --color-deep-navy: #0A192F;
  --color-navy-light: #112240;
  --color-navy-mid: #1D3557;
  --color-cyan: #00B4D8;
  --color-cyan-light: #48CAE4;
  --color-cyan-dark: #0096C7;
  --color-white: #FFFFFF;
  --color-silver: #CCD6F6;
  --color-silver-dark: #8892B0;
  --color-gold: #E6C87A;
  --color-bg-dark: #060D1A;
  --color-bg-card: rgba(17, 34, 64, 0.7);
  --color-glass: rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --font-en: 'Montserrat', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-jp);
  background-color: var(--color-bg-dark);
  color: var(--color-silver);
  line-height: 1.8;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--color-cyan-light);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-en);
  color: var(--color-white);
  line-height: 1.3;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.section-title-jp {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-silver-dark);
  margin-bottom: 2rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-silver-dark);
  max-width: 700px;
  line-height: 1.9;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section--dark {
  background: var(--color-bg-dark);
}

.section--navy {
  background: var(--color-deep-navy);
}

.section--gradient {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-deep-navy) 100%);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(6, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  padding: 0.6rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.logo-text {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 2px;
}

.logo-text span {
  color: var(--color-cyan);
}

.footer-brand .logo-img {
  height: 30px;
  margin-bottom: 1rem;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-silver);
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cyan);
  transition: var(--transition-base);
}

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

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

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

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

.nav-cta {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-cyan-dark), var(--color-cyan));
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-cta:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 180, 216, 0.3);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background: rgba(6, 13, 26, 0.98);
  backdrop-filter: blur(20px);
  padding: 100px 2rem 2rem;
  transition: var(--transition-slow);
  z-index: 999;
}

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

.mobile-nav a {
  display: block;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-silver);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-glass-border);
  letter-spacing: 1px;
}

.mobile-nav a:hover {
  color: var(--color-cyan);
  padding-left: 1rem;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img,
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(6, 13, 26, 0.92) 0%,
    rgba(10, 25, 47, 0.85) 50%,
    rgba(6, 13, 26, 0.88) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s 0.3s forwards;
}

.hero-title {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s 0.5s forwards;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-cyan), var(--color-cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: var(--font-jp);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-silver);
  line-height: 2;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s 0.9s forwards;
}

/* Page Hero (Sub pages) */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-hero .hero-content {
  text-align: center;
}

.page-hero .hero-title {
  font-size: 3rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 1rem 2.5rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-transform: uppercase;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan-dark), var(--color-cyan));
  color: var(--color-white);
}

.btn-primary:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-glass-border);
}

.btn-outline:hover {
  color: var(--color-cyan);
  border-color: var(--color-cyan);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--color-cyan);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-cyan);
  border-radius: 0;
  letter-spacing: 1px;
}

.btn-ghost:hover {
  color: var(--color-cyan-light);
  border-color: var(--color-cyan-light);
  padding-bottom: 0.7rem;
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
  padding: 2.5rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan-dark), var(--color-cyan), var(--color-cyan-dark));
  opacity: 0;
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 180, 216, 0.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.15), rgba(0, 150, 199, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--color-cyan);
}

.card-title {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.3rem;
}

.card-title-jp {
  font-size: 0.85rem;
  color: var(--color-silver-dark);
  margin-bottom: 1rem;
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-silver-dark);
  line-height: 1.8;
}

/* Glass Card */
.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  padding: 2rem;
}

/* --- Grid Systems --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* --- Challenge Panel (課題解決ナビ) --- */
.challenge-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.challenge-item {
  background: var(--color-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
}

.challenge-item:hover {
  background: rgba(0, 180, 216, 0.1);
  border-color: var(--color-cyan);
  transform: translateY(-3px);
}

.challenge-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.challenge-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.6;
}

.challenge-arrow {
  font-size: 1.2rem;
  color: var(--color-cyan);
  margin-top: 1rem;
  transition: var(--transition-base);
}

.challenge-item:hover .challenge-arrow {
  transform: translateX(5px);
}

/* --- Trust Logos --- */
.trust-section {
  padding: 60px 0;
  border-top: 1px solid var(--color-glass-border);
  border-bottom: 1px solid var(--color-glass-border);
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  opacity: 0.5;
}

.trust-logo {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-silver-dark);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--color-glass-border);
  border-radius: 4px;
}

/* --- Partner Network --- */
.partner-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition-base);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.partner-header {
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--color-glass-border);
}

.partner-name {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.3rem;
}

.partner-capability {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.partner-body {
  padding: 1.5rem 2rem;
}

.partner-value {
  font-size: 0.9rem;
  color: var(--color-silver-dark);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.partner-clients {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.client-tag {
  font-size: 0.75rem;
  color: var(--color-silver);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--color-glass-border);
}

/* --- Pricing --- */
.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
  border-color: var(--color-cyan);
}

.pricing-card.featured .pricing-header {
  background: linear-gradient(135deg, var(--color-cyan-dark), var(--color-cyan));
}

.pricing-header {
  padding: 2rem;
  background: var(--color-navy-light);
  text-align: center;
}

.pricing-tier {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
}

.pricing-card.featured .pricing-tier {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-name {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
}

.pricing-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-silver-dark);
}

.pricing-card.featured .pricing-price span {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-body {
  padding: 2rem;
}

.pricing-features {
  list-style: none;
}

.pricing-features li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-glass-border);
  font-size: 0.9rem;
  color: var(--color-silver);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-cyan);
  font-weight: 700;
  font-size: 0.8rem;
}

.pricing-footer {
  padding: 0 2rem 2rem;
  text-align: center;
}

/* --- Case Study --- */
.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition-base);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.case-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-body {
  padding: 2rem;
}

.case-tag {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(0, 180, 216, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 1rem;
}

.case-title {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--color-silver-dark);
  line-height: 1.7;
}

/* --- News --- */
.news-item {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-glass-border);
  transition: var(--transition-base);
}

.news-item:hover {
  padding-left: 1rem;
}

.news-date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-silver-dark);
  min-width: 100px;
}

.news-category {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(0, 180, 216, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  min-width: fit-content;
}

.news-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.6;
}

/* --- Recruit --- */
.recruit-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
  transition: var(--transition-base);
}

.recruit-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-cyan);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.recruit-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.recruit-title {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.3rem;
}

.recruit-title-jp {
  font-size: 0.85rem;
  color: var(--color-silver-dark);
  margin-bottom: 1.5rem;
}

.recruit-desc {
  font-size: 0.9rem;
  color: var(--color-silver-dark);
  line-height: 1.8;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-silver);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: var(--color-cyan);
  margin-left: 0.3rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-glass-border);
  border-radius: 6px;
  color: var(--color-white);
  font-family: var(--font-jp);
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.form-textarea {
  min-height: 180px;
  resize: vertical;
}

.form-select {
  appearance: none;
  cursor: pointer;
}

/* --- Tier Badge --- */
.tier-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}

.tier-1 { background: rgba(230, 200, 122, 0.15); color: var(--color-gold); border: 1px solid rgba(230, 200, 122, 0.3); }
.tier-2 { background: rgba(0, 180, 216, 0.15); color: var(--color-cyan); border: 1px solid rgba(0, 180, 216, 0.3); }
.tier-3 { background: rgba(204, 214, 246, 0.1); color: var(--color-silver); border: 1px solid rgba(204, 214, 246, 0.2); }

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-glass-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo-text {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: block;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--color-silver-dark);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.footer-heading {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-silver-dark);
}

.footer-links a:hover {
  color: var(--color-cyan);
  padding-left: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-glass-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--color-silver-dark);
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--color-silver-dark);
  margin-left: 2rem;
}

/* --- Network Animation (Canvas) --- */
#network-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.3;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Keyframes --- */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  opacity: 0;
  animation: fadeInUp 0.8s 1.2s forwards;
}

.scroll-indicator span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-silver-dark);
  display: block;
  margin-bottom: 0.5rem;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-cyan);
  margin: 0 auto;
  animation: pulse 2s infinite;
}

/* --- Stat Counter --- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-cyan);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-silver-dark);
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-cyan), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3.45rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-cyan);
  border: 3px solid var(--color-bg-dark);
}

.timeline-year {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-silver-dark);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-title {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-desc {
  font-size: 1rem;
  color: var(--color-silver-dark);
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}

/* --- Service Tab --- */
.tab-nav {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--color-glass-border);
}

.tab-btn {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-silver-dark);
  padding: 1rem 2rem;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition-base);
  text-transform: uppercase;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cyan);
  transition: var(--transition-base);
}

.tab-btn:hover {
  color: var(--color-white);
}

.tab-btn.active {
  color: var(--color-cyan);
}

.tab-btn.active::after {
  width: 100%;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* --- Strengths Diagram --- */
.strength-row {
  display: flex;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.strength-row.reverse {
  flex-direction: row-reverse;
}

.strength-visual {
  flex: 0 0 40%;
  position: relative;
}

.strength-visual img {
  border-radius: 12px;
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.strength-visual .overlay-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-cyan-dark), var(--color-cyan));
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 180, 216, 0.3);
}

.strength-info {
  flex: 1;
}

.strength-number {
  font-family: var(--font-en);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(0, 180, 216, 0.1);
  line-height: 1;
  margin-bottom: -1rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .section-title { font-size: 2.2rem; }
  .hero-title { font-size: 2.8rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-row { flex-direction: column; }
  .strength-row.reverse { flex-direction: column; }
  .strength-visual { flex: 0 0 100%; width: 100%; }
  .challenge-panel { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  .section { padding: 80px 0; }
  .nav { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: block; }
  .section-title { font-size: 1.8rem; }
  .hero { min-height: 600px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .challenge-panel { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .news-item { flex-direction: column; gap: 0.5rem; }
  .page-hero { min-height: 300px; }
  .page-hero .hero-title { font-size: 2rem; }
  .pricing-card { margin-bottom: 1rem; }
  .tab-nav { overflow-x: auto; }
  .tab-btn { white-space: nowrap; padding: 0.75rem 1rem; font-size: 0.75rem; }
}