:root {
  --navy-950: #071526;
  --navy-900: #0a1b30;
  --navy-800: #102844;
  --blue-600: #1d6fd6;
  --blue-500: #2b8cff;
  --blue-100: #eaf4ff;
  --white: #ffffff;
  --gray-900: #172033;
  --gray-700: #46556b;
  --gray-500: #7a8798;
  --gray-200: #e7edf5;
  --gray-100: #f5f8fc;
  --shadow: 0 24px 70px rgba(7, 21, 38, 0.14);
  --premium-shadow: 0 28px 80px rgba(4, 20, 38, 0.24);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gray-900);
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  line-height: 1.65;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(231, 237, 245, 0.9);
  backdrop-filter: blur(18px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 12px 34px rgba(7, 21, 38, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  width: 190px;
  min-width: 190px;
}

.logo-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--gray-700);
  font-size: 15px;
  font-weight: 700;
}

.main-nav a {
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue-600);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  padding: 10px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy-900);
}

.hero {
  position: relative;
  min-height: 790px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-950);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 68% 28%, rgba(43, 140, 255, 0.22), transparent 30%),
    linear-gradient(90deg, rgba(3, 13, 25, 0.92) 0%, rgba(7, 21, 38, 0.72) 44%, rgba(7, 21, 38, 0.34) 100%),
    url("../images/hero-tech-business.jpg") center/cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 220px;
  background: linear-gradient(0deg, rgba(7, 21, 38, 0.7), transparent);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-500);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.12;
  letter-spacing: 0;
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.38);
}

.hero p:not(.eyebrow) {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.68;
  transform: none;
  box-shadow: none;
}

.btn-primary {
  color: var(--white);
  background: var(--blue-600);
  box-shadow: 0 16px 34px rgba(29, 111, 214, 0.34);
}

.btn-primary:hover {
  background: #0f62c9;
  box-shadow: 0 22px 46px rgba(29, 111, 214, 0.42);
}

.btn-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.15);
}

.section {
  padding: 118px 0;
}

.about-section {
  background: var(--white);
}

.about-grid,
.split-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 76px;
  align-items: center;
}

h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.24;
  letter-spacing: 0;
}

.about-copy p,
.section-copy p,
.section-head p,
.contact-grid > div > p {
  margin: 20px 0 0;
  color: var(--gray-700);
  font-size: 18px;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.keyword-list span,
.capability-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  color: var(--navy-800);
  background: var(--gray-100);
  font-weight: 800;
}

.split-section {
  background: var(--gray-100);
}

.split-section.alt {
  background: var(--white);
}

.plm-enterprise-section {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 12%, rgba(43, 140, 255, 0.22), transparent 34%),
    linear-gradient(135deg, #061120 0%, #0a1b30 48%, #102844 100%);
}

.plm-enterprise-section h2,
.plm-why-section h2,
.plm-showcase-section h2 {
  color: var(--white);
}

.plm-enterprise-section .section-copy p,
.plm-why-section .section-copy p,
.plm-showcase-section .section-head p {
  color: rgba(255, 255, 255, 0.72);
}

.plm-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 64px;
  align-items: center;
}

.plm-stat-panel {
  display: grid;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.plm-stat-panel article {
  padding: 22px;
  border-radius: 8px;
  background: rgba(7, 21, 38, 0.5);
}

.plm-stat-panel strong {
  display: block;
  color: var(--white);
  font-size: 42px;
  line-height: 1;
}

.plm-stat-panel span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 800;
}

.plm-definition-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 58px;
}

.plm-definition-grid article,
.why-list article {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(16px);
}

.plm-definition-grid article {
  min-height: 230px;
  padding: 28px;
}

.plm-definition-grid span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #9fd3ff;
  background: rgba(43, 140, 255, 0.14);
  font-size: 13px;
  font-weight: 900;
}

.plm-definition-grid h3,
.why-list strong,
.plm-showcase-card strong,
.plm-capability-grid strong {
  display: block;
  margin-top: 18px;
  color: var(--white);
  font-size: 20px;
  line-height: 1.3;
}

.plm-definition-grid p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.plm-capability-section {
  background:
    linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
}

.plm-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 44px;
}

.plm-capability-grid article {
  min-height: 168px;
  padding: 24px;
  border: 1px solid rgba(209, 220, 235, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 16px 44px rgba(7, 21, 38, 0.08);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.plm-capability-grid article:hover {
  border-color: rgba(43, 140, 255, 0.42);
  box-shadow: 0 24px 64px rgba(7, 21, 38, 0.14);
  transform: translateY(-5px);
}

.plm-capability-grid strong {
  margin-top: 0;
  color: var(--navy-950);
}

.plm-capability-grid span {
  display: block;
  margin-top: 12px;
  color: var(--gray-700);
  font-weight: 700;
}

.plm-showcase-section,
.plm-why-section {
  color: var(--white);
  background:
    radial-gradient(circle at 18% 18%, rgba(29, 111, 214, 0.22), transparent 32%),
    linear-gradient(180deg, #071526 0%, #0a1b30 100%);
}

.plm-showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  margin-top: 44px;
}

.plm-showcase-card {
  position: relative;
  overflow: hidden;
  min-height: 270px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.plm-showcase-card.large {
  grid-row: span 3;
}

.plm-showcase-card img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.plm-showcase-card div {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 24px;
  background: linear-gradient(0deg, rgba(4, 16, 31, 0.94), rgba(4, 16, 31, 0));
}

.plm-showcase-card span,
.why-list span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.plm-showcase-card:hover {
  border-color: rgba(43, 140, 255, 0.45);
  box-shadow: 0 36px 96px rgba(0, 0, 0, 0.34);
  transform: translateY(-6px);
}

.plm-showcase-card:hover img {
  transform: scale(1.04);
}

.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 58px;
  align-items: start;
}

.why-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.why-list article {
  min-height: 190px;
  padding: 26px;
}

.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.image-panel,
.feature-image {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(231, 237, 245, 0.95);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(10, 27, 48, 0.94), rgba(16, 40, 68, 0.86)),
    linear-gradient(135deg, #dbe9f8, #f7fbff);
  box-shadow: var(--premium-shadow);
  isolation: isolate;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.image-panel::before,
.feature-image::before {
  content: "Image pending";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(10, 27, 48, 0.42);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.image-panel img,
.feature-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.55s ease, filter 0.35s ease;
}

.dashboard-slider {
  aspect-ratio: 4 / 3;
}

.dashboard-track {
  display: flex;
  width: 100%;
  height: 100%;
  transform: translateX(0);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.dashboard-slide {
  position: relative;
  flex: 0 0 100%;
  min-width: 100%;
  height: 100%;
  overflow: hidden;
}

.dashboard-slide img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

.admin-slider .dashboard-slide img {
  padding: 22px;
  object-fit: contain;
}

.image-panel img.is-missing,
.feature-image img.is-missing {
  opacity: 0;
}

.dashboard-controls {
  position: absolute;
  top: 50%;
  right: 16px;
  left: 16px;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  transform: translateY(-50%);
}

.dashboard-control {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--white);
  background: rgba(7, 21, 38, 0.58);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
  pointer-events: auto;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.dashboard-control:hover {
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(29, 111, 214, 0.82);
  transform: translateY(-2px);
}

.dashboard-dots {
  position: absolute;
  right: 0;
  bottom: 16px;
  left: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.dashboard-dot {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
  transition: width 0.2s ease, background 0.2s ease;
}

.dashboard-dot.is-active {
  width: 28px;
  border-radius: 999px;
  background: var(--blue-500);
}

.image-panel:hover,
.feature-image:hover {
  border-color: rgba(43, 140, 255, 0.42);
  box-shadow: 0 34px 90px rgba(4, 20, 38, 0.3);
  transform: translateY(-6px);
}

.image-panel:hover img,
.feature-image:hover img {
  filter: saturate(1.08) contrast(1.03);
  transform: scale(1.035);
}

.feature-image {
  width: min(860px, 100%);
  margin: 42px 0 28px;
}

.feature-image img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

#admin .image-panel img {
  background: linear-gradient(135deg, #d8e8f7, #eef6ff);
  object-fit: contain;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

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

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--gray-700);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue-600);
  box-shadow: 0 0 0 5px var(--blue-100);
}

.section-head {
  max-width: 760px;
}

.business-cards,
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.business-cards article,
.tech-grid article {
  min-height: 118px;
  padding: 26px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 36px rgba(7, 21, 38, 0.06);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.business-cards article:hover,
.tech-grid article:hover {
  border-color: rgba(43, 140, 255, 0.35);
  box-shadow: 0 22px 48px rgba(7, 21, 38, 0.1);
  transform: translateY(-4px);
}

.business-cards article {
  display: flex;
  align-items: flex-end;
  color: var(--navy-950);
  font-size: 20px;
  font-weight: 900;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.tech-section {
  color: var(--white);
  background: var(--navy-950);
}

.tech-section h2 {
  color: var(--white);
}

.tech-grid {
  margin-top: 42px;
}

.tech-grid article {
  min-height: 148px;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.tech-grid strong {
  display: block;
  color: var(--white);
  font-size: 20px;
}

.tech-grid span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-section {
  background: linear-gradient(180deg, var(--white), var(--gray-100));
}

.contact-grid {
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 30px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-form label,
.contact-form .full {
  grid-column: span 1;
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form span {
  display: block;
  margin-bottom: 8px;
  color: var(--navy-900);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 14px 15px;
  color: var(--gray-900);
  background: var(--white);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(43, 140, 255, 0.14);
}

.contact-form textarea {
  resize: vertical;
}

.form-message {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: #c83b3b;
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  padding: 38px 0;
  color: rgba(255, 255, 255, 0.74);
  background: var(--navy-950);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  width: 210px;
  height: auto;
}

.site-footer strong,
.site-footer a {
  color: var(--white);
  font-weight: 900;
}

.site-footer p {
  margin: 8px 0 0;
}

@media (max-width: 940px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 13px 12px;
  }

  .hero {
    min-height: 700px;
  }

  .about-grid,
  .split-grid,
  .reverse,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .business-cards,
  .tech-grid,
  .plm-capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plm-hero-grid,
  .plm-definition-grid,
  .plm-showcase-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .plm-showcase-card.large {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    min-height: 660px;
  }

  .hero-bg {
    background:
      linear-gradient(90deg, rgba(3, 13, 25, 0.94), rgba(7, 21, 38, 0.7)),
      url("../images/hero-tech-business.jpg") center/cover no-repeat;
    background-position: 58% center;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p:not(.eyebrow),
  .about-copy p,
  .section-copy p,
  .section-head p,
  .contact-grid > div > p {
    font-size: 16px;
  }

  .section {
    padding: 82px 0;
  }

  .image-panel:hover,
  .feature-image:hover,
  .business-cards article:hover,
  .tech-grid article:hover {
    transform: none;
  }

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

  .business-cards,
  .tech-grid,
  .plm-definition-grid,
  .plm-capability-grid,
  .why-list,
  .capability-grid,
  .check-list.columns,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .business-cards article,
  .tech-grid article {
    min-height: 104px;
  }

  .contact-form {
    padding: 22px;
  }

  .footer-inner {
    flex-direction: column;
  }
}