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

:root {
  --navy:   #0a1628;
  --blue:   #1a3a6e;
  --accent: #e8a020;
  --accent2:#f0b840;
  --gray:   #6b7280;
  --light:  #f4f6f9;
  --white:  #ffffff;
  --text:   #1f2937;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(10,22,40,0.10);
  --trans:  all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

/* ── Typography ── */
.section-label {
  display: block;
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label.center { text-align: center; }

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: 20px;
}
.section-title.center { text-align: center; }
.section-title strong { color: var(--blue); }

.section-desc {
  font-size: 17px;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 60px;
}
.section-desc.center { margin: 0 auto 60px; text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--trans);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--navy);
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); }

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

.btn.full { width: 100%; }

/* ── Header ── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: transparent;
  transition: background 0.4s, box-shadow 0.4s;
}
#header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: 'Roboto', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}
.logo-mz   { color: var(--accent); }
.logo-logis{ color: var(--white); }

.nav-list {
  display: flex;
  gap: 40px;
}
.nav-list a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.nav-list a:hover { color: var(--accent); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--trans);
}

.mobile-menu {
  display: none;
  background: var(--navy);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul li a {
  display: block;
  padding: 12px 0;
  color: var(--white);
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a6e 50%, #0d2244 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(232,160,32,0.12) 0%, transparent 60%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
}
.hero-sub {
  font-family: 'Roboto', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--accent); }
.hero-desc {
  font-size: clamp(16px, 1.8vw, 20px);
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  line-height: 1.9;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.scroll-down {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-down span {
  display: block;
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  position: relative;
}
.scroll-down span::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollBounce 1.6s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%,100% { opacity: 1; top: 6px; }
  50%      { opacity: 0.4; top: 18px; }
}

/* ── Stats ── */
.stats {
  background: var(--navy);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 32px 20px;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Roboto', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
}
.stat-unit {
  font-size: 22px;
  color: var(--accent);
  font-weight: 700;
}
.stat-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ── About ── */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p {
  color: var(--gray);
  margin-bottom: 16px;
  font-size: 15.5px;
}
.about-checks {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-checks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
}
.about-checks li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--accent);
  color: var(--navy);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.about-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--trans);
  border: 1px solid var(--border);
}
.about-card:hover {
  background: var(--navy);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.about-card:hover h4,
.about-card:hover p { color: var(--white); }
.about-icon { font-size: 32px; margin-bottom: 12px; }
.about-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--navy);
  transition: color 0.3s;
}
.about-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  transition: color 0.3s;
}

/* ── Services ── */
.services { background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px 36px;
  border: 1px solid var(--border);
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--border);
  transition: background 0.3s;
}
.service-card:hover {
  box-shadow: 0 12px 40px rgba(10,22,40,0.12);
  transform: translateY(-6px);
}
.service-card:hover::before { background: var(--accent); }
.service-card.featured {
  background: var(--navy);
  border-color: var(--navy);
}
.service-card.featured::before { background: var(--accent); }
.service-card.featured .service-num { color: rgba(255,255,255,0.2); }
.service-card.featured h3,
.service-card.featured h3 span,
.service-card.featured p,
.service-card.featured ul li { color: var(--white); }
.service-card.featured ul li::before { background: var(--accent); color: var(--navy); }

.service-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--accent);
  color: var(--navy);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.service-num {
  font-family: 'Roboto', sans-serif;
  font-size: 56px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: 4px;
}
.service-icon { font-size: 36px; margin-bottom: 16px; }
.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.3;
}
.service-card h3 span {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  display: block;
}
.service-card p {
  font-size: 14.5px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 20px;
}
.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card ul li {
  font-size: 13.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-card ul li::before {
  content: '›';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  background: var(--accent);
  color: var(--navy);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Process ── */
.process { background: var(--white); }
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 60px;
}
.process-step {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 0 16px;
}
.step-circle {
  width: 64px; height: 64px;
  background: var(--navy);
  color: var(--accent);
  border-radius: 50%;
  font-family: 'Roboto', sans-serif;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(10,22,40,0.2);
}
.process-step h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--navy);
}
.process-step p {
  font-size: 13.5px;
  color: var(--gray);
  line-height: 1.7;
}
.process-arrow {
  font-size: 28px;
  color: var(--accent);
  padding-top: 20px;
  flex-shrink: 0;
}

/* ── Contact ── */
.contact { background: var(--light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info p {
  color: var(--gray);
  font-size: 15.5px;
  margin-bottom: 36px;
}
.info-items { display: flex; flex-direction: column; gap: 20px; }
.info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.info-icon { font-size: 22px; margin-top: 2px; flex-shrink: 0; }
.info-item strong {
  display: block;
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 2px;
  letter-spacing: 0.3px;
}
.info-item p { font-size: 15px; color: var(--navy); font-weight: 500; margin: 0; }

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px 40px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 7px;
  letter-spacing: 0.3px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
  background: var(--light);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,58,110,0.08);
  background: var(--white);
}
.form-group textarea { resize: vertical; }
.form-notice {
  font-size: 12px;
  color: var(--gray);
  margin-top: 12px;
  text-align: center;
  line-height: 1.6;
}

/* ── Footer ── */
.footer { background: var(--navy); color: var(--white); padding: 60px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo .logo-mz   { color: var(--accent); font-family: 'Roboto', sans-serif; font-size: 20px; font-weight: 700; }
.footer-logo .logo-logis{ color: var(--white);  font-family: 'Roboto', sans-serif; font-size: 20px; font-weight: 700; }
.footer-logo p { font-size: 13px; color: rgba(255,255,255,0.4); margin-top: 8px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
}
.footer-bottom {
  text-align: center;
  padding: 20px;
}
.footer-bottom p {
  font-size: 12.5px;
  color: rgba(255,255,255,0.25);
}

/* ── Competency ── */
.competency { background: var(--light); }

.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.comp-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--trans);
  overflow: hidden;
}
.comp-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}
.comp-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.comp-card:hover::after { transform: scaleX(1); }

.comp-num {
  font-family: 'Roboto', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.comp-icon { font-size: 34px; margin-bottom: 14px; }
.comp-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  font-family: 'Roboto', sans-serif;
}
.comp-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

/* ── Network ── */
.network { background: var(--white); }

.network-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 0;
}

.network-table-wrap {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.network-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.network-table thead tr {
  background: var(--navy);
  color: var(--white);
}
.network-table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.network-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
}
.network-table tr:last-child td { border-bottom: none; }
.network-table tr:hover td { background: var(--light); }
.network-table tr.main-center td { background: rgba(232,160,32,0.06); }

.center-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--light);
  color: var(--navy);
  border: 1px solid var(--border);
}
.center-badge.main {
  background: var(--navy);
  color: var(--accent);
  border-color: var(--navy);
}

.network-flow h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.flow-box {
  border-radius: 10px;
  padding: 20px 22px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.flow-box.direct {
  background: rgba(26,58,110,0.05);
  border-color: var(--blue);
  display: flex;
  align-items: center;
  gap: 12px;
}
.flow-box.trunk {
  background: var(--light);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
}
.flow-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}
.flow-arrow {
  flex: 1;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: -2px;
  overflow: hidden;
}
.flow-arrow-r {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
}
.flow-dest {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}
.flow-centers {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.flow-centers span {
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
}
.flow-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}
.flow-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--light);
  border-radius: 10px;
  padding: 14px 18px;
  border: 1px solid var(--border);
}
.fi-icon { font-size: 26px; flex-shrink: 0; }
.flow-info-item strong {
  display: block;
  font-size: 14px;
  color: var(--navy);
  margin-bottom: 2px;
}
.flow-info-item p {
  font-size: 13px;
  color: var(--gray);
  margin: 0;
}

/* ── Clients ── */
.clients { background: var(--navy); }
.clients .section-title { color: var(--white); }
.clients .section-desc  { color: rgba(255,255,255,0.55); }

.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.client-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 20px 12px 16px;
  text-align: center;
  transition: var(--trans);
}
.client-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
  transform: translateY(-4px);
}
.client-logo-wrap {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.client-logo {
  max-height: 44px;
  max-width: 100%;
  object-fit: contain;
}
.client-logo-text {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.3px;
  text-align: center;
  width: 100%;
  word-break: keep-all;
}
.client-card p {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  line-height: 1.4;
  text-align: center;
  word-break: keep-all;
}

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-visual { grid-template-columns: 1fr 1fr; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .network-layout { grid-template-columns: 1fr; }
  .flow-box.trunk { grid-template-columns: auto 1fr; grid-template-rows: auto auto; }
  .flow-arrow-r, .flow-dest { display: none; }
}

@media (max-width: 680px) {
  .section { padding: 72px 0; }
  .nav-list { display: none; }
  .hamburger { display: flex; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .process-arrow { display: none; }
  .process-steps { gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-visual { grid-template-columns: 1fr; }
  .br-mobile { display: none; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .comp-grid { grid-template-columns: 1fr; }
}