/* =====================================================
   GS NETVISION - Template 9: Bold Statement
   Primary: #0B132B | Accent: #FF5A5F | Secondary: #1C2541
   Fonts: Noto Sans KR (headings) + Inter (body)
   ===================================================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- Reset & Base ---- */
:root {
  --primary: #0B132B;
  --primary-rgb: 11, 19, 43;
  --accent: #FF5A5F;
  --accent-rgb: 255, 90, 95;
  --secondary: #1C2541;
  --secondary-rgb: 28, 37, 65;
  --light: #F0F4F8;
  --light-rgb: 240, 244, 248;
  --white: #FFFFFF;
  --dark-text: #1a1a2e;
  --body-text: #4a5568;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body-text);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}

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

a:hover {
  color: #e0484d;
}

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

section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 16px;
  background: rgba(var(--accent-rgb), 0.1);
  border-radius: 50px;
}

.section-header .section-tag {
  /* inherits from .section-tag above; centered by .section-header text-align */
}

.section-header h2 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--body-text);
  max-width: 650px;
  margin: 0 auto;
}

/* ---- Navbar ---- */
.navbar {
  background: var(--primary);
  padding: 0;
  min-height: 72px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1030;
}

.navbar.fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
}

.navbar-brand {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white) !important;
  letter-spacing: -0.3px;
  padding: 16px 0;
}

.navbar-brand img {
  height: 36px;
  margin-right: 8px;
}

.navbar .nav-link {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78) !important;
  padding: 24px 18px !important;
  letter-spacing: 0.2px;
  transition: var(--transition);
  position: relative;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--white) !important;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border: none;
  padding: 8px;
  color: var(--white);
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---- Buttons ---- */
.btn {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 50px;
  letter-spacing: 0.3px;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: #e0484d;
  border-color: #e0484d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.35);
}

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

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

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

.btn-outline-accent:hover {
  background: var(--accent);
  color: var(--white);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--primary);
  overflow: hidden;
  padding-top: 72px;
}

.hero .hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}

.hero .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(11,19,43,0.92) 0%, rgba(11,19,43,0.65) 50%, rgba(28,37,65,0.8) 100%);
  z-index: 1;
}

.hero .hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding: 60px 0;
}

.hero .hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 6px 20px;
  border: 1px solid rgba(255,90,95,0.4);
  border-radius: 50px;
  background: rgba(255,90,95,0.08);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.8px;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero .hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 600px;
  font-weight: 400;
}

.hero .hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .hero-cta .btn {
  padding: 14px 36px;
  font-size: 0.95rem;
}

/* ---- About Section ---- */
.about-section {
  background: var(--white);
}

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

.about-image {
  position: relative;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--accent);
}

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

.about-text h2 {
  font-size: 2.2rem;
  margin-bottom: 18px;
  line-height: 1.35;
}

.about-text .lead {
  font-size: 1.1rem;
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: var(--light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

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

.stat-item .stat-number {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--body-text);
  margin-top: 6px;
}

/* ---- Services Section ---- */
.services-section {
  background: var(--light);
}

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

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(var(--accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--body-text);
  margin-bottom: 0;
}

/* ---- Capabilities Section ---- */
.capabilities-section {
  background: var(--white);
}

.capability-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.capability-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.capability-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.capability-card .cap-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--white);
}

.capability-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.capability-card p {
  font-size: 0.9rem;
  color: var(--body-text);
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 70px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255,90,95,0.06);
  border-radius: 50%;
}

.cta-banner h2 {
  color: var(--white);
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ---- Team Section ---- */
.team-section {
  background: var(--light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.team-grid--single {
  grid-template-columns: 1fr;
  max-width: 360px;
  margin: 0 auto;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
  text-align: center;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.team-card .team-info {
  padding: 20px 16px;
}

.team-card .team-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.team-card .team-info .role {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---- Contact Section ---- */
.contact-section {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info .lead {
  color: var(--body-text);
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-detail .contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(var(--accent-rgb), 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.contact-detail h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-detail p {
  font-size: 0.9rem;
  color: var(--body-text);
  margin: 0;
}

.contact-form-wrap {
  background: var(--light);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-form-wrap .form-label {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--primary);
}

.contact-form-wrap .form-control {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: var(--transition);
}

.contact-form-wrap .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(var(--accent-rgb), 0.15);
}

/* ---- Footer ---- */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer h5 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  font-size: 0.85rem;
  text-align: center;
  color: rgba(255,255,255,0.45);
}

/* ---- Page Header (Subpages) ---- */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 120px 0 70px;
  text-align: center;
  position: relative;
}

.page-header h1 {
  color: var(--white);
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header .breadcrumb {
  justify-content: center;
  background: transparent;
  margin: 0;
  padding: 0;
}

.page-header .breadcrumb-item {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.page-header .breadcrumb-item a {
  color: rgba(255,255,255,0.8);
}

.page-header .breadcrumb-item.active {
  color: var(--accent);
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255,255,255,0.4);
}

/* ---- Solutions / Services Page ---- */
.solution-detail {
  padding: 60px 0;
}

.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.solution-block:last-child {
  margin-bottom: 0;
}

.solution-block.reverse {
  direction: rtl;
}

.solution-block.reverse .solution-text {
  direction: ltr;
}

.solution-block .solution-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.solution-block .solution-img img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

.solution-block .solution-text h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.solution-block .solution-text p {
  margin-bottom: 12px;
}

.solution-block .solution-features {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.solution-block .solution-features li {
  padding: 6px 0 6px 28px;
  position: relative;
  font-size: 0.95rem;
}

.solution-block .solution-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 12px;
  height: 2px;
  background: var(--accent);
}

/* ---- Work / Portfolio ---- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.portfolio-item .portfolio-info {
  padding: 20px;
  background: var(--white);
}

.portfolio-item .portfolio-info h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.portfolio-item .portfolio-info .category {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- News Page ---- */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  transition: var(--transition);
}

.news-item:hover {
  background: var(--light);
  margin: 0 -20px;
  padding: 28px 20px;
  border-radius: var(--radius-sm);
}

.news-item .news-date {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

.news-item .news-content h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.news-item .news-content h4 a {
  color: var(--primary);
}

.news-item .news-content h4 a:hover {
  color: var(--accent);
}

.news-item .news-content p {
  font-size: 0.9rem;
  margin: 0;
}

/* ---- Legal Pages ---- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 12px;
  color: var(--primary);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.15rem;
  margin: 24px 0 8px;
}

.legal-content p {
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
}

.legal-content table th,
.legal-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.legal-content table th {
  background: var(--light);
  font-weight: 600;
}

/* ---- Cookie Consent ---- */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 20px 0;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  display: none;
}

.cookie-consent.show {
  display: block;
}

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-content p {
  flex: 1;
  min-width: 250px;
  margin: 0;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-buttons .btn {
  font-size: 0.85rem;
  padding: 10px 22px;
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .capability-cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .team-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .solution-block {
    grid-template-columns: 1fr;
  }
  .solution-block.reverse {
    direction: ltr;
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 767px) {
  section {
    padding: 60px 0;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero .hero-subtitle {
    font-size: 1rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 1.8rem;
  }
  .page-header h1 {
    font-size: 1.8rem;
  }
}