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

:root {
  --purple-900: #1e0a3c;
  --purple-800: #2d1260;
  --purple-700: #3d1a85;
  --purple-600: #5b2db5;
  --purple-500: #7c4dcc;
  --purple-400: #9d6fe0;
  --purple-100: #f0ebff;
  --purple-50:  #faf7ff;
  --gray-900: #111118;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--purple-800);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-mark {
  font-size: 12px;
  color: var(--purple-500);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.15s;
}

nav a:hover {
  color: var(--purple-600);
}

.btn-nav {
  background: var(--purple-600);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 8px;
  transition: background 0.15s !important;
}

.btn-nav:hover {
  background: var(--purple-700) !important;
  color: var(--white) !important;
}

/* ── Hero ── */
.hero {
  padding: 100px 0 96px;
  background: linear-gradient(160deg, var(--purple-50) 0%, var(--white) 60%);
  border-bottom: 1px solid var(--gray-200);
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-500);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-500);
  max-width: 520px;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--purple-600);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--purple-700);
  transform: translateY(-1px);
}

/* ── Services ── */
.services {
  padding: 96px 0;
}

.services h2,
.about h2,
.contact h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin-bottom: 48px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--gray-100);
  border-radius: 14px;
  padding: 32px 28px;
  transition: box-shadow 0.2s;
}

.service-card:hover {
  box-shadow: 0 8px 32px rgba(93, 45, 181, 0.1);
}

.service-icon {
  font-size: 18px;
  color: var(--purple-500);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ── About ── */
.about {
  padding: 96px 0;
  background: var(--purple-900);
  color: var(--white);
}

.about h2 {
  color: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: start;
}

.about-text p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 16px;
}

.about-text strong {
  color: var(--white);
  font-weight: 600;
}

.about-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 180px;
}

.aside-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 20px 24px;
}

.aside-stat {
  font-size: 28px;
  font-weight: 700;
  color: var(--purple-400);
  line-height: 1;
  margin-bottom: 6px;
}

.aside-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.4;
}

/* ── Contact ── */
.contact {
  padding: 96px 0;
  border-top: 1px solid var(--gray-200);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact h2 {
  margin-bottom: 16px;
}

.contact > div > p {
  color: var(--gray-500);
  margin-bottom: 32px;
  font-size: 16px;
}

.contact-aside {
  padding-top: 8px;
}

.contact-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.contact-aside ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-aside li {
  font-size: 15px;
  color: var(--gray-700);
  padding-left: 18px;
  position: relative;
}

.contact-aside li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--purple-500);
}

/* ── Footer ── */
footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 24px 0;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--gray-500);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .header-inner nav a:not(.btn-nav) {
    display: none;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .about-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-aside {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .aside-card {
    flex: 1;
    min-width: 140px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}