:root {
  --sgt-primary: #2b3eff;
  --sgt-primary-dark: #232fbf;
  --sgt-secondary: #00c6ff;
  --sgt-bg: #f5f7fb;
  --sgt-text: #1b1f3b;
  --sgt-muted: #6c7a91;
  --sgt-white: #ffffff;
  --sgt-surface: #ffffff;
  --sgt-border: rgba(99, 102, 241, 0.2);
  --sgt-navbar: rgba(255, 255, 255, 0.92);
  --sgt-hero-glass: rgba(255, 255, 255, 0.12);
  --sgt-hero-card: rgba(255, 255, 255, 0.12);
  --sgt-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  --sgt-shadow-hover: 0 22px 55px rgba(43, 62, 255, 0.18);
  --sgt-card-shadow-strong: 0 18px 45px rgba(15, 23, 42, 0.12);
  --sgt-toggle-bg: rgba(15, 23, 42, 0.08);
  --sgt-toggle-icon: #1b1f3b;
  --sgt-gradient: linear-gradient(135deg, var(--sgt-primary) 0%, var(--sgt-secondary) 100%);
}

:root[data-theme='dark'] {
  --sgt-bg: #0a1020;
  --sgt-text: #e2e8f0;
  --sgt-muted: #94a3b8;
  --sgt-surface: #111b32;
  --sgt-border: rgba(148, 163, 184, 0.22);
  --sgt-navbar: rgba(15, 23, 42, 0.9);
  --sgt-hero-glass: rgba(15, 23, 42, 0.55);
  --sgt-hero-card: rgba(15, 23, 42, 0.72);
  --sgt-shadow: 0 16px 40px rgba(3, 7, 18, 0.55);
  --sgt-shadow-hover: 0 22px 55px rgba(14, 116, 227, 0.35);
  --sgt-card-shadow-strong: 0 18px 45px rgba(3, 7, 18, 0.58);
  --sgt-toggle-bg: rgba(148, 163, 184, 0.15);
  --sgt-toggle-icon: #e2e8f0;
}

* {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--sgt-text);
  background-color: var(--sgt-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  opacity: 0.85;
}

.btn-primary {
  background: var(--sgt-gradient);
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(43, 62, 255, 0.25);
}

.navbar {
  background-color: var(--sgt-navbar);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--sgt-shadow);
  transition: background-color 0.3s ease;
}


.navbar .brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.navbar .navbar-brand {
  color: var(--sgt-muted);
  transition: color 0.2s ease;
}

.navbar .navbar-brand span {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
  color: var(--sgt-text);
}

.navbar .navbar-brand:hover {
  color: var(--sgt-text);
}

.navbar .nav-link {
  color: var(--sgt-muted);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--sgt-primary);
  background-color: rgba(43, 62, 255, 0.08);
  transform: translateY(-1px);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  background: var(--sgt-toggle-bg);
  color: var(--sgt-toggle-icon);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(12, 20, 50, 0.2);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--sgt-primary);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-moon {
  display: block;
}

:root:not([data-theme='dark']) .theme-toggle .icon-sun {
  display: block;
}

:root:not([data-theme='dark']) .theme-toggle .icon-moon {
  display: none;
}

.hero {
  padding: 6rem 0 5rem;
  background: var(--sgt-gradient);
  color: var(--sgt-white);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.2), transparent 50%),
    radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.18), transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.15), transparent 55%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 28px;
  padding: 2.5rem;
  background: var(--sgt-hero-glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--sgt-shadow);
  overflow: hidden;
}
.bg-soft-primary {
  background: rgba(43, 62, 255, 0.04);
}

.footer-gradient {
  background: var(--sgt-gradient);
}

.success-hero-wrapper {
  max-width: 680px;
}

.hero-visual::before,
.hero-visual::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.45;
}

.hero-visual::before {
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.28);
  top: -60px;
  right: -80px;
}

.hero-visual::after {
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.18);
  bottom: -70px;
  left: -60px;
}

.hero-visual-card {
  position: relative;
  z-index: 1;
  background: var(--sgt-hero-card);
  border-radius: 18px;
  padding: 1.5rem;
  margin-bottom: 1.1rem;
  border: 1px solid var(--sgt-border);
}

.hero-visual-card:last-child {
  margin-bottom: 0;
}

.services-visual {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--sgt-card-shadow-strong);
}

.services-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-visual-card h6 {
  font-weight: 600;
  color: var(--sgt-white);
  margin-bottom: 0.25rem;
}

.hero-visual-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.hero p.lead {
  color: rgba(255, 255, 255, 0.85);
}

.section-title {
  font-weight: 700;
  color: var(--sgt-text);
}

.section-muted {
  color: var(--sgt-muted);
}

.value-card,
.service-card {
  border-radius: 18px;
  padding: 2.5rem 2rem;
  background: var(--sgt-surface);
  box-shadow: var(--sgt-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover,
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--sgt-shadow-hover);
}

.badge-soft {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--sgt-white);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.gradient-card {
  background: var(--sgt-surface);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: none;
  position: relative;
  overflow: hidden;
}

.gradient-card::before {
  content: '';
  position: absolute;
  inset: -40% -40% 60% -40%;
  background: var(--sgt-gradient);
  opacity: 0.12;
  transform: rotate(6deg);
}

.gradient-card > * {
  position: relative;
  z-index: 1;
}

.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.feature-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sgt-primary);
  margin-top: 0.4rem;
}

.contact-card {
  background: var(--sgt-surface);
  border-radius: 18px;
  padding: 2.5rem;
  box-shadow: var(--sgt-card-shadow-strong);
}

.contact-card label {
  font-weight: 600;
  color: var(--sgt-muted);
}

.contact-card .form-control,
.contact-card .form-select {
  border-radius: 14px;
  border: 1px solid var(--sgt-border);
  padding: 0.85rem 1rem;
  background-color: transparent;
  color: var(--sgt-text);
}

.contact-card .form-control:focus,
.contact-card .form-select:focus {
  border-color: var(--sgt-primary);
  box-shadow: 0 0 0 0.25rem rgba(43, 62, 255, 0.15);
}

.contact-card .form-control::placeholder,
.contact-card .form-select::placeholder {
  color: var(--sgt-muted);
}

.testimonial-card {
  background: var(--sgt-surface);
  border-radius: 18px;
  padding: 2.5rem 2rem;
  box-shadow: var(--sgt-shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--sgt-text);
}

.testimonial-quote::before {
  content: '"';
  font-size: 2.5rem;
  line-height: 1;
  color: var(--sgt-primary);
  display: inline-block;
  margin-right: 0.25rem;
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--sgt-text);
}

.testimonial-role {
  color: var(--sgt-muted);
}

.success-hero {
  background: var(--sgt-gradient);
  color: var(--sgt-white);
  border-radius: 28px;
  padding: 4rem 2rem;
  box-shadow: var(--sgt-shadow-hover);
}

footer {
  color: rgba(255, 255, 255, 0.85);
}

footer a {
  color: rgba(255, 255, 255, 0.85);
}

footer a:hover {
  color: var(--sgt-white);
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--sgt-white);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.social-link:hover {
  background-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(12, 20, 50, 0.25);
}

:root[data-theme='dark'] .social-link {
  background-color: rgba(148, 163, 184, 0.25);
  color: #f8fafc;
}

:root[data-theme='dark'] .social-link:hover {
  background-color: rgba(148, 163, 184, 0.35);
  box-shadow: 0 12px 24px rgba(2, 6, 23, 0.35);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  text-decoration: none;
}

.contact-link svg {
  width: 18px;
  height: 18px;
}

@media (min-width: 992px) {
  .contact-link {
    justify-content: flex-end;
  }
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}

.fade-up.delay-1 {
  animation-delay: 0.15s;
}

.fade-up.delay-2 {
  animation-delay: 0.3s;
}

.fade-up.delay-3 {
  animation-delay: 0.45s;
}

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