:root {
  --bg: #f3f6fb;
  --surface: #e7ecff;
  --text: #0b1a33;
  --text-muted: #55607a;
  --primary: #2152ff;
  --primary-strong: #0f2ca6;
  --accent: #ff8a3d;
  --shadow: 0 24px 60px rgba(9, 26, 54, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Manrope', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.hero-visual img,
.gallery img {
  background: transparent;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem clamp(1.5rem, 5vw, 4rem);
  background: rgba(243, 246, 251, 0.8);
  border-bottom: 1px solid rgba(33, 82, 255, 0.08);
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand img {
  width: clamp(140px, 14vw, 180px);
  box-shadow: none;
  border-radius: 0;
}

.brand span {
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  color: var(--text-muted);
}

nav ul {
  list-style: none;
  display: flex;
  gap: clamp(1rem, 2vw, 2.5rem);
}

nav a {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 0.2rem;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 6px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

nav a:hover::after,
nav a:focus-visible::after,
nav a.active::after {
  transform: scaleX(1);
}

.hero {
  padding: clamp(4rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem) clamp(6rem, 11vw, 8rem);
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  position: relative;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: min(440px, 100%);
  border-radius: var(--radius-xl);
}

.hero::before {
  content: '';
  position: absolute;
  inset: clamp(1rem, 3vw, 2rem);
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 10% 20%, rgba(33, 82, 255, 0.12), transparent 60%),
              radial-gradient(circle at 80% 10%, rgba(0, 194, 255, 0.15), transparent 55%),
              radial-gradient(circle at 50% 100%, rgba(15, 44, 166, 0.2), transparent 60%);
  z-index: -1;
}

.hero-text h1 {
  font-size: clamp(2.8rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.hero-text p {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 36ch;
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  font-weight: 700;
  border-radius: 999px;
  transition: transform 200ms ease, box-shadow 200ms ease;
  box-shadow: var(--shadow);
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid rgba(33, 82, 255, 0.2);
}

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

.section {
  padding: clamp(4rem, 7vw, 6rem) clamp(1.5rem, 5vw, 4rem);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
  margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
}

.section-header h2 {
  font-size: clamp(2.2rem, 4vw, 2.6rem);
  font-weight: 800;
}

.section-header p {
  color: var(--text-muted);
}

.section-header .section-extended {
  font-size: 1rem;
}

.gallery {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 700px) {
  .gallery {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.badge {
  align-self: flex-start;
  padding: 0.4rem 0.8rem;
  background: rgba(33, 82, 255, 0.1);
  color: var(--primary-strong);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.contact-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 320px;
}

.contact-card {
  background: var(--surface);
  padding: clamp(2rem, 6vw, 2.6rem);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  box-shadow: var(--shadow);
}

.contact-card p {
  color: var(--text-muted);
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 1rem;
  align-items: center;
}

.contact-item span {
  font-weight: 700;
  color: var(--text);
}

.contact-item small {
  color: var(--text-muted);
}

footer {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.menu-toggle {
  display: none;
  border: none;
  background: rgba(33, 82, 255, 0.12);
  border-radius: 12px;
  padding: 0.6rem;
}

.menu-toggle svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary-strong);
}

@media (max-width: 820px) {
  nav {
    position: absolute;
    inset: 100% 1rem auto;
    background: rgba(243, 246, 251, 0.95);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.2rem;
    transform: scale(0.9);
    transform-origin: top right;
    opacity: 0;
    pointer-events: none;
    transition: transform 200ms ease, opacity 200ms ease;
  }

  nav.open {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}