:root {
  color-scheme: dark;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #e5edf8;
  background: #0f172a;
  --bg: #111827;
  --surface: #172033;
  --surface-strong: #253247;
  --text-soft: #a8b3c7;
  --accent: #8ea2ff;
  --accent-strong: #4fd1c5;
  --ink: #f8fafc;
  --accent-soft: rgba(142, 162, 255, 0.16);
  --border: rgba(226, 232, 240, 0.14);
  --shadow: rgba(0, 0, 0, 0.36);
}

html[data-theme="light"] {
  color-scheme: light;
  color: #0f172a;
  background: #f8fafc;
  --bg: #ffffff;
  --surface: #f1f5f9;
  --surface-strong: #e2e8f0;
  --text-soft: #475569;
  --accent: #1d4ed8;
  --accent-strong: #0f766e;
  --ink: #0f172a;
  --accent-soft: #dbeafe;
  --border: rgba(15, 23, 42, 0.08);
  --shadow: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #0f172a 0%, #111827 55%, #0b1120 100%);
}

html[data-theme="light"] body {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

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

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

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-contact a {
  color: var(--accent);
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

html[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 16px;
}

.primary-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.primary-nav a {
  color: var(--ink);
  transition: color 0.2s ease;
}

.primary-nav a:hover {
  color: var(--accent);
}

.primary-nav .portal-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  background: var(--surface);
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 0.5rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
}

.nav-toggle .hamburger {
  display: inline-block;
  width: 22px;
  height: 16px;
  position: relative;
}

.nav-toggle .hamburger span {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle .hamburger span:nth-child(1) { top: 0; }
.nav-toggle .hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle .hamburger span:nth-child(3) { bottom: 0; }

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.hero-visual {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.hero-visual .hero-image {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 24px 80px var(--shadow);
}

.hero-visual > .hero-card {
  padding: 2rem;
  border-radius: 8px;
  background: var(--bg);
  box-shadow: 0 24px 80px var(--shadow);
  border: 1px solid var(--border);
}

.visual-item img {
  width: 100%;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px var(--shadow);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.visual-item {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.visual-item h3 {
  margin: 0;
}

.hero-copy-text {
  margin: 0 0 1.75rem;
  max-width: 620px;
  color: var(--text-soft);
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.05;
}

.hero-copy {
  margin: 0 0 1.75rem;
  max-width: 620px;
  color: var(--text-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
}

.button.secondary {
  background: var(--surface);
  color: var(--ink);
}

.hero-card h2 {
  margin-top: 0;
}

.hero-card ul {
  margin: 1rem 0 0;
  padding-left: 1.3rem;
  color: var(--text-soft);
}

.features,
.services,
.about,
.contact {
  padding: 4rem 0;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.service-item,
.about-stats > div,
.contact-details,
.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
}

.info-trigger {
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.info-trigger:hover,
.info-trigger:focus-visible {
  border-color: var(--accent);
  background: var(--surface);
  transform: translateY(-2px);
  outline: none;
}

.feature-card h3,
.service-item h3,
.contact-details h3 {
  margin-top: 0;
}

.section-bg {
  background: #0b1120;
}

.section-header {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-header h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.service-item {
  display: grid;
  gap: 1rem;
}

.service-icon {
  width: 56px;
  height: 56px;
}

.service-item p {
  margin: 0.75rem 0 0;
  color: var(--text-soft);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
}

.about-grid ul {
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
}

.about-grid li {
  margin-bottom: 0.75rem;
  color: var(--text-soft);
}

.about-stats {
  display: grid;
  gap: 1rem;
}

.about-stats div {
  padding: 1.5rem;
  text-align: center;
}

.about-stats strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--accent-strong);
}

.process {
  padding: 4rem 0;
}

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

.process-grid article {
  border-top: 3px solid var(--accent-strong);
  padding: 1.25rem 0 0;
}

.process-grid span {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--accent-strong);
  font-weight: 800;
}

.process-grid h3 {
  margin: 0 0 0.5rem;
}

.process-grid p,
.industries-grid p {
  margin: 0;
  color: var(--text-soft);
}

.industries {
  padding: 4rem 0;
}

.industries-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.industry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.industry-list span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  background: var(--bg);
  color: var(--ink);
  font-weight: 700;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.contact-details .contact-item {
  display: grid;
  gap: 0.3rem;
  margin: 1.2rem 0;
}

.contact-details .contact-item span {
  font-weight: 700;
}

.contact-details a {
  color: var(--accent);
}

.contact-form label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #0b1120;
  color: var(--ink);
}

.contact-form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted, #9aa5b1);
  min-height: 1.2em;
}

.site-footer {
  padding: 1.5rem 0;
  background: #0b1120;
  border-top: 1px solid var(--border);
}

.info-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.info-modal.active {
  display: flex;
}

.info-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.74);
}

.info-modal-dialog {
  position: relative;
  width: min(520px, 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  padding: 2rem;
  box-shadow: 0 24px 80px var(--shadow);
}

.info-modal-dialog h2 {
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
}

.info-modal-dialog p {
  margin: 0 0 1.5rem;
  color: var(--text-soft);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.theme-toggle:hover {
  background: var(--surface-strong);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .features,
  .service-grid,
  .about-grid,
  .contact-grid,
  .visual-grid,
  .process-grid,
  .industries-grid,
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .feature-card,
  .service-item,
  .about-stats > div,
  .contact-details,
  .contact-form,
  .visual-item {
    padding: 1.5rem;
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .primary-nav {
    width: 100%;
    flex-direction: column;
    display: none;
    gap: 0.75rem;
    padding: 0.75rem 0;
  }

  .primary-nav.show {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 3rem;
  }
}