:root {
  --navy: #071832;
  --navy-2: #0d274d;
  --blue: #1b75ff;
  --sky: #e9f4ff;
  --line: #dce8f5;
  --text: #11213a;
  --muted: #62718a;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(7, 24, 50, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  font-family: Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: #f8fbff;
}

a {
  text-decoration: none;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 232, 245, 0.8);
  backdrop-filter: blur(14px);
}

.navbar {
  min-height: 76px;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  padding: 0;
}

.brand-logo {
  width: auto;
  height: 54px;
  object-fit: contain;
}

.nav-link {
  color: #2d3c55;
  font-size: 15px;
  font-weight: 700;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--blue);
}

.nav-cta {
  border-radius: 999px;
  padding-inline: 16px !important;
  background: var(--navy);
  color: var(--white) !important;
}

.section {
  padding: 88px 0;
}

.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  min-height: 790px;
  padding: 0;
  background: var(--navy);
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 28%, rgba(27, 117, 255, 0.22), transparent 28%),
    linear-gradient(90deg, rgba(4, 15, 30, 0.94) 0%, rgba(7, 24, 50, 0.76) 44%, rgba(7, 24, 50, 0.24) 100%),
    url("../images/hero-lockers.png") center / cover no-repeat;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  height: 210px;
  background: linear-gradient(0deg, rgba(7, 24, 50, 0.72), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 76px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-section .eyebrow {
  color: #9ed4ff;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 74px);
  font-weight: 900;
  line-height: 1.12;
  text-shadow: 0 18px 42px rgba(0, 0, 0, 0.38);
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 900;
  line-height: 1.24;
}

h3 {
  color: var(--navy);
  font-size: 19px;
  font-weight: 900;
}

.hero-copy {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 20px;
  line-height: 1.75;
}

.brand-message {
  max-width: 500px;
  margin: 28px 0;
  border-left: 4px solid #74c4ff;
  padding-left: 18px;
  color: #e9f6ff;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.btn {
  border-radius: 10px;
  font-weight: 800;
}

.btn-primary {
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(27, 117, 255, 0.24);
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: #0f62dc;
  background: #0f62dc;
}

.hero-visual {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.image-visual img,
.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 24, 50, 0.1), rgba(7, 24, 50, 0.34));
  pointer-events: none;
}

.visual-badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 48px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(7, 24, 50, 0.78);
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  backdrop-filter: blur(10px);
}

.visual-badge i {
  color: #8ed0ff;
  font-size: 24px;
}

.problem-section {
  padding-top: 72px;
}

.lead-text,
.section-copy,
.section-heading p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-intro-row {
  margin-bottom: 42px;
}

.section-intro-row .section-heading {
  margin-bottom: 0;
}

.content-image {
  height: 360px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.content-image-wide {
  height: 320px;
}

.feature-card,
.flow-panel,
.contact-form,
.experience-box,
.cta-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-card {
  height: 100%;
  padding: 26px;
}

.feature-card i {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 14px;
  background: var(--sky);
  color: var(--blue);
  font-size: 25px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.flow-section,
.solution-section {
  background: linear-gradient(180deg, #eef7ff, #f8fbff);
}

.flow-panel {
  height: 100%;
  padding: 32px;
}

.flow-panel-accent {
  background: var(--navy);
}

.flow-panel-accent h3 {
  color: var(--white);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.step-list.compact {
  grid-template-columns: 1fr;
}

.step-list li {
  display: flex;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #f7fbff;
  color: #2d3c55;
  font-size: 15px;
  font-weight: 800;
}

.flow-panel-accent .step-list li {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.step-list span {
  color: var(--blue);
  font-size: 13px;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.solution-list span {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: var(--white);
  color: #243752;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(7, 24, 50, 0.07);
}

.location-photo {
  position: relative;
  overflow: hidden;
  height: 370px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.location-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.28s ease, transform 0.45s ease;
}

.location-photo img.is-fading {
  opacity: 0;
  transform: scale(1.02);
}

.location-photo-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  padding: 16px 18px;
  background: rgba(7, 24, 50, 0.78);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.location-photo-caption strong {
  display: block;
  margin-bottom: 5px;
  font-size: 19px;
}

.location-photo-caption span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.55;
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.location-card {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: var(--white);
  color: #243752;
  font: inherit;
  font-weight: 800;
  text-align: left;
  box-shadow: 0 12px 32px rgba(7, 24, 50, 0.07);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.location-card:hover,
.location-card:focus-visible,
.location-card.is-active {
  transform: translateY(-3px);
  border-color: rgba(27, 117, 255, 0.48);
  box-shadow: 0 16px 36px rgba(27, 117, 255, 0.14);
  outline: none;
}

.location-card.is-active {
  background: linear-gradient(135deg, #f8fbff, #eaf4ff);
}

.location-card i {
  color: var(--blue);
  font-size: 24px;
}

.experience-box {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: center;
  padding: 44px;
}

.experience-box p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.cta-section {
  padding-top: 0;
}

.cta-box {
  padding: 56px;
  background:
    radial-gradient(circle at 90% 0%, rgba(27, 117, 255, 0.2), transparent 22rem),
    var(--navy);
  color: var(--white);
}

.cta-box h2 {
  color: var(--white);
}

.cta-box p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.contact-form {
  padding: 32px;
}

.form-label {
  color: var(--navy);
  font-weight: 800;
}

.form-control,
.form-select {
  min-height: 52px;
  border-color: var(--line);
  border-radius: 10px;
}

textarea.form-control {
  min-height: 150px;
}

.form-note {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--blue);
  font-weight: 800;
  text-align: center;
}

.site-footer {
  padding: 30px 0;
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  display: grid;
  gap: 4px;
}

.footer-brand strong {
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
}

.footer-brand span,
.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 991px) {
  .navbar-collapse {
    padding: 16px 0 10px;
  }

  .brand-logo {
    height: 46px;
  }

  .hero-section {
    min-height: 720px;
  }

  .content-image,
  .content-image-wide {
    height: 320px;
  }

  .location-grid,
  .solution-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .location-photo {
    height: 330px;
  }

  .experience-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 68px 0;
  }

  .hero-section {
    min-height: 680px;
  }

  .hero-content {
    padding-top: 76px;
  }

  .hero-bg {
    background-position: 62% center;
  }

  .hero-copy,
  .brand-message,
  .lead-text,
  .section-copy,
  .section-heading p {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 360px;
  }

  .step-list,
  .location-grid,
  .solution-list {
    grid-template-columns: 1fr;
  }

  .location-photo {
    height: 300px;
  }

  .location-photo-caption {
    left: 14px;
    right: 14px;
    bottom: 14px;
    padding: 14px;
  }

  .cta-box,
  .experience-box,
  .contact-form,
  .flow-panel {
    padding: 26px;
  }

  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }
}