:root {
  --bg: #f4f7fb;
  --bg-alt: #edf5ff;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --primary: #0d6fa8;
  --primary-dark: #0a3d5d;
  --primary-soft: #dfeefb;
  --secondary: #f4a62a;
  --secondary-soft: #fff1d9;
  --text: #16222d;
  --muted: #56687a;
  --line: rgba(15, 44, 66, 0.08);
  --success: #1d8d74;
  --shadow: 0 22px 50px rgba(11, 61, 93, 0.14);
  --shadow-soft: 0 16px 32px rgba(12, 67, 102, 0.08);
}

body.dark-theme {
  --bg: #09131d;
  --bg-alt: #0e1d2d;
  --panel: #101d2c;
  --panel-soft: #0d1826;
  --primary: #67b7ff;
  --primary-dark: #cfe9ff;
  --primary-soft: rgba(103, 183, 255, 0.18);
  --secondary: #f5b84c;
  --secondary-soft: rgba(245, 184, 76, 0.18);
  --text: #edf6ff;
  --muted: #adc2d7;
  --line: rgba(188, 208, 229, 0.12);
  --success: #75d6b1;
  --shadow: 0 22px 50px rgba(2, 6, 12, 0.52);
  --shadow-soft: 0 16px 32px rgba(3, 9, 18, 0.42);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(244, 166, 42, 0.16), transparent 22%),
    radial-gradient(circle at bottom right, rgba(13, 111, 168, 0.12), transparent 18%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

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

img { max-width: 100%; }

.container {
  width: min(1150px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.alt-bg {
  background: linear-gradient(180deg, rgba(223, 238, 251, 0.65), rgba(248, 250, 252, 0.92));
}

body.dark-theme .alt-bg {
  background: linear-gradient(180deg, rgba(15, 27, 39, 0.7), rgba(13, 24, 35, 0.92));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 44, 66, 0.06);
}

body.dark-theme .site-header {
  background: rgba(9, 19, 29, 0.7);
  border-bottom-color: rgba(188, 208, 229, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
}

.brand:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 6px;
  border-radius: 12px;
}

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, #1ca7bf 55%, var(--secondary) 100%);
  box-shadow: 0 12px 28px rgba(13, 111, 168, 0.32);
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 10px;
}

.brand-mark::after {
  inset: 14px 10px 14px 10px;
  border-width: 1px;
  border-color: rgba(255,255,255,0.9);
}

.brand-mark span {
  position: relative;
  z-index: 1;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.06em;
}

.brand strong {
  display: block;
  font-size: 1.04rem;
  color: var(--text);
}

.brand small {
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 600;
}

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

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

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

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

body.dark-theme .theme-toggle {
  background: rgba(16, 29, 44, 0.9);
  border-color: var(--line);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0a7cb2 42%, #1ea1b0 100%);
  color: white;
  box-shadow: 0 18px 28px rgba(13, 111, 168, 0.2);
}

.btn-secondary,
.btn-light {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(13, 111, 168, 0.12);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

body.dark-theme .btn-secondary,
body.dark-theme .btn-light {
  background: linear-gradient(135deg, rgba(17, 31, 45, 0.96), rgba(20, 38, 57, 0.96));
  border-color: rgba(148, 188, 228, 0.16);
  color: var(--text);
  box-shadow: 0 16px 30px rgba(2, 7, 12, 0.34);
}

.project-panel {
  position: relative;
  z-index: 15;
  background: linear-gradient(180deg, rgba(8, 17, 26, 0.92), rgba(12, 27, 39, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px rgba(2, 7, 12, 0.28);
}

.project-panel[hidden] {
  display: none;
}

.project-panel-inner {
  position: relative;
  padding: 32px 0 28px;
}

.project-content {
  max-width: 980px;
  margin: 0 auto;
  color: #edf6ff;
}

.project-content h2 {
  margin: 6px 0 18px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.2;
}

.project-label {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a9c9ea;
  font-weight: 700;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.project-content ul {
  margin: 0;
  padding-left: 18px;
  color: #eaf4ff;
  line-height: 1.8;
}

.close-project {
  position: absolute;
  top: 12px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.hero {
  position: relative;
  padding: 88px 0 72px;
  background:
    radial-gradient(circle at 85% 12%, rgba(244, 166, 42, 0.25), transparent 18%),
    linear-gradient(135deg, #f5f9ff 0%, #edf4fb 35%, #f8fbff 100%);
}

body.dark-theme .hero {
  background:
    radial-gradient(circle at 85% 12%, rgba(244, 166, 42, 0.2), transparent 18%),
    linear-gradient(135deg, #09131d 0%, #101d2c 35%, #0d1826 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: 38px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 14px;
  background: rgba(13, 111, 168, 0.08);
  border: 1px solid rgba(13, 111, 168, 0.08);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-weight: 800;
}

.hero-copy h1,
.section-heading h2,
.info-card h3,
.service-card h3,
.product-card h3 {
  margin: 0 0 18px;
  line-height: 1.12;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 5vw, 4.7rem);
  letter-spacing: -0.07em;
}

.lead {
  max-width: 620px;
  font-size: 1.09rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-meta li {
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
}

body.dark-theme .hero-meta li {
  background: rgba(16, 29, 44, 0.85);
  border-color: rgba(188, 208, 229, 0.16);
  color: var(--text);
}

.hero-visual {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-backdrop {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 30% 70% 60% 40% / 40% 30% 70% 60%;
  background: linear-gradient(135deg, rgba(13, 111, 168, 0.18), rgba(244, 166, 42, 0.16));
  filter: blur(14px);
}

.visual-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(14, 44, 62, 0.05);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

body.dark-theme .visual-card {
  background: rgba(16, 29, 44, 0.9);
  border-color: rgba(188, 208, 229, 0.12);
  box-shadow: 0 18px 36px rgba(2, 7, 12, 0.4);
}

.card-main {
  left: 30px;
  right: 10px;
  top: 35px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 22px;
}

.mini-logo {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.08em;
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, #0d8ab2 52%, var(--secondary) 100%);
}

.card-main strong,
.card-stat strong,
.card-badge span {
  display: block;
  color: var(--text);
}

.card-main small,
.card-stat small,
.card-badge small {
  color: var(--muted);
}

.card-stat {
  right: 20px;
  bottom: 90px;
  padding: 20px 22px;
  border-radius: 20px;
  min-width: 180px;
}

.stat-label {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
}

.card-badge {
  left: 55px;
  bottom: 30px;
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(244, 166, 42, 0.18), rgba(255,255,255,0.95));
}

body.dark-theme .card-badge {
  background: linear-gradient(135deg, rgba(244, 166, 42, 0.18), rgba(17, 31, 45, 0.88));
  border: 1px solid rgba(188, 208, 229, 0.12);
}

.card-badge span {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-dark);
}

body.dark-theme .card-badge span {
  color: var(--text);
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

.feature-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(246,250,255,0.92));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 30px 32px;
  box-shadow: var(--shadow);
}

body.dark-theme .feature-panel,
body.dark-theme .info-card,
body.dark-theme .service-card,
body.dark-theme .product-card,
body.dark-theme .contact-card,
body.dark-theme .testimonial-list blockquote,
body.dark-theme .value-list li,
body.dark-theme .value-points li {
  background: linear-gradient(180deg, rgba(16, 29, 44, 0.96), rgba(12, 22, 32, 0.96));
  border-color: rgba(188, 208, 229, 0.12);
  color: var(--text);
  box-shadow: 0 18px 40px rgba(2, 7, 12, 0.35);
}

body.dark-theme .feature-panel p,
body.dark-theme .info-card p,
body.dark-theme .service-card p,
body.dark-theme .product-card p,
body.dark-theme .contact-card ul,
body.dark-theme .testimonial-list footer,
body.dark-theme .value-list li,
body.dark-theme .value-points li,
body.dark-theme .lead,
body.dark-theme .hero-meta,
body.dark-theme .brand small,
body.dark-theme .card-main small,
body.dark-theme .card-stat small,
body.dark-theme .card-badge small,
body.dark-theme .contact-card a {
  color: var(--muted);
}

body.dark-theme .feature-panel p,
body.dark-theme .info-card p,
body.dark-theme .service-card p,
body.dark-theme .product-card p,
body.dark-theme .contact-card ul,
body.dark-theme .testimonial-list footer,
body.dark-theme .value-list li,
body.dark-theme .value-points li,
body.dark-theme .lead,
body.dark-theme .hero-meta,
body.dark-theme .card-main small,
body.dark-theme .card-stat small,
body.dark-theme .card-badge small {
  opacity: 1;
}

.feature-panel p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.02rem;
}

.feature-panel p:last-child {
  margin-bottom: 0;
}

.split-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.info-card,
.service-card,
.product-card,
.contact-card,
.testimonial-list blockquote {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(249,251,255,1));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.info-card {
  padding: 30px;
}

.info-card p {
  margin: 0;
  color: var(--muted);
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.image-card {
  overflow: hidden;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

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

.image-copy {
  padding: 22px 20px 24px;
}

.image-copy h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.image-copy p {
  margin: 0;
  color: var(--muted);
}

.value-list,
.value-points,
.contact-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.value-list li,
.value-points li {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,1), rgba(241,249,255,0.85));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px 18px 48px;
  box-shadow: 0 14px 28px rgba(15, 38, 55, 0.04);
  color: var(--text);
  font-weight: 600;
}

.value-list li::before,
.value-points li::before {
  content: "✓";
  position: absolute;
  left: 18px;
  top: 16px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(29, 141, 116, 0.12);
  color: var(--success);
  border-radius: 50%;
  font-weight: 700;
}

.card-grid {
  display: grid;
  gap: 22px;
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.product-card {
  padding: 28px 24px;
}

.service-card p,
.product-card p {
  margin: 0;
  color: var(--muted);
}

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

.testimonial-list {
  display: grid;
  grid-template-columns: minmax(0, 780px);
}

.testimonial-list blockquote {
  margin: 0;
  padding: 34px 30px;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  line-height: 1.5;
  color: var(--primary-dark);
  font-weight: 600;
  background: linear-gradient(135deg, rgba(13, 111, 168, 0.05), rgba(244, 166, 42, 0.06));
}

body.dark-theme .testimonial-list blockquote {
  color: var(--text);
  background: linear-gradient(135deg, rgba(13, 111, 168, 0.16), rgba(244, 166, 42, 0.12));
}

.testimonial-list footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-section {
  background: linear-gradient(180deg, #f2f8ff 0%, #edf4fb 100%);
}

body.dark-theme .contact-section {
  background: linear-gradient(180deg, #0c1621 0%, #111f2d 100%);
}

.contact-card {
  padding: 28px 24px;
}

.contact-card ul {
  display: grid;
  gap: 14px;
  color: var(--muted);
}

.contact-card a {
  color: var(--primary);
  text-decoration: underline;
}

.left-align {
  margin-bottom: 18px;
}

.site-footer {
  background: linear-gradient(135deg, var(--primary-dark), #123d59 40%, #0d476a 100%);
  color: rgba(255, 255, 255, 0.82);
  padding: 24px 0;
}

.footer-wrap {
  display: flex;
  justify-content: center;
  text-align: center;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .hero-grid,
  .split-grid,
  .contact-grid,
  .three-col,
  .value-list,
  .value-points,
  .image-gallery,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .header-cta {
    display: none;
  }

  .hero-visual {
    min-height: 340px;
  }

  .project-panel-inner {
    padding-right: 48px;
  }
}

@media (max-width: 620px) {
  .nav-wrap {
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 0;
  }

  .brand {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .brand strong,
  .brand small {
    white-space: normal;
  }

  .project-content h2 {
    font-size: 1.45rem;
  }

  .close-project {
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    font-size: 1.4rem;
  }
}

@media (max-width: 540px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .feature-panel,
  .service-card,
  .product-card,
  .info-card,
  .contact-card,
  .card-main,
  .card-stat,
  .card-badge {
    padding-left: 20px;
    padding-right: 20px;
  }

  .card-main {
    left: 16px;
    right: 16px;
  }

  .card-stat {
    right: 10px;
  }

  .project-panel-inner {
    padding-top: 22px;
    padding-bottom: 22px;
  }
}