:root {
  --color-primary: #2563eb;
  --color-secondary: #1e293b;
  --color-accent: #f8fafc;
  --color-muted: #a3b5cc;
  --color-border: rgba(148, 163, 184, 0.35);
  --spacing-xxs: 0.4rem;
  --spacing-xs: 0.6rem;
  --spacing-sm: 0.9rem;
  --spacing-md: 1.25rem;
  --spacing-lg: 1.75rem;
  --spacing-xl: 2.5rem;
  --radius-sm: 0.8rem;
  --radius-md: 1.4rem;
  --radius-lg: 2rem;
  --shadow-soft: 0 20px 45px rgba(15, 23, 40, 0.35);
  --shadow-card: 0 15px 50px rgba(15, 23, 40, 0.28);
  --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.85), rgba(30, 41, 59, 0.85));
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: linear-gradient(180deg, #0f172a, #111928 45%, #1e293b 100%);
  color: var(--color-accent);
  min-height: 100vh;
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  color: var(--color-muted);
  line-height: 1.7;
}

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

main {
  position: relative;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.nav-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.branding {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.branding span {
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.nav-menu {
  display: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-menu a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background 0.3s ease, color 0.3s ease;
}

.nav-menu a.active,
.nav-menu a:hover {
  background: rgba(37, 99, 235, 0.2);
  color: #fff;
}

.mobile-menu-btn {
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: transparent;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.mobile-menu-btn svg {
  width: 1rem;
  height: 1rem;
}

.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  right: var(--spacing-lg);
  top: 100%;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-md);
  background: rgba(15, 23, 42, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero {
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-xl) var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.35), transparent 45%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-content {
  background: rgba(30, 41, 59, 0.9);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.hero-content::before {
  content: '';
  position: absolute;
  inset: 20% -10% auto auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.6), rgba(248, 250, 252, 0));
  z-index: 0;
  filter: blur(15px);
}

.hero-content > * {
  position: relative;
  z-index: 1;
}

.hero-visual {
  position: relative;
  min-height: 360px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(248, 250, 252, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-flow {
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(30, 41, 59, 0.8), rgba(37, 99, 235, 0.35));
  mix-blend-mode: multiply;
}

.section {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section + .section {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.section h2 {
  margin-top: 0;
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.signature-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
  min-height: 260px;
  box-shadow: var(--shadow-card);
  transition: transform 0.5s ease, border 0.3s ease;
}

.signature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% -10%, rgba(37, 99, 235, 0.35), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.signature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(37, 99, 235, 0.6);
}

.signature-card:hover::after {
  opacity: 1;
}

.signature-card h3 {
  margin: 0 0 var(--spacing-sm) 0;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.18);
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.divider-rhythm {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.8), transparent);
  margin: var(--spacing-lg) 0;
}

.cta-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.cta-button::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: calc(var(--radius-lg) - 2px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.35);
}

.cta-button:hover::after {
  opacity: 1;
}

.cta-button span {
  position: relative;
  z-index: 1;
}

.cta-button svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 2;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.info-panel {
  background: rgba(15, 23, 42, 0.8);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-soft);
}

.info-panel h3 {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.custom-divider {
  height: 120px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0), rgba(30, 41, 59, 0.9));
  clip-path: polygon(0 0, 100% 20%, 100% 100%, 0 80%);
}

footer {
  padding: var(--spacing-lg);
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(15, 23, 42, 0.95);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(37, 99, 235, 0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  max-width: 320px;
}

.cookie-banner.visible {
  opacity: 1;
  transform: translateY(0);
}

.cookie-banner button {
  margin-top: var(--spacing-sm);
  border: none;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
}

form {
  display: grid;
  gap: var(--spacing-sm);
}

input,
textarea,
select {
  padding: 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.8);
  color: var(--color-accent);
  font-size: 1rem;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.6);
}

fieldset {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-sm);
}

legend {
  font-weight: 600;
}

@media (min-width: 768px) {
  header {
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.35);
  }

  .nav-menu {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation: none !important;
  }
}