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

:root {
  --bg: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --border: rgba(0, 0, 0, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.nav-logo {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.nav-cta:hover {
  opacity: 0.75;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: linear-gradient(180deg, #f5f5f7 0%, #ffffff 60%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(0, 113, 227, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.2s forwards;
}

.hero-title {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-primary);
  max-width: 820px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.35s forwards;
}

.hero-title span {
  background: linear-gradient(135deg, #0071e3 0%, #34aadc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(17px, 2.5vw, 22px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.65s forwards;
}

/* Normalise <button> elements so they match <a> button styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  font-family: inherit;
  background: none;
  text-align: center;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  border-radius: 980px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.btn-secondary:hover {
  opacity: 0.75;
}

.btn-secondary svg {
  transition: transform 0.2s ease;
}

.btn-secondary:hover svg {
  transform: translateX(3px);
}

/* ── Hero visual ── */
.hero-visual {
  margin-top: 80px;
  width: 100%;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.8s forwards;
}

.hero-card {
  background: #ffffff;
  border-radius: 20px;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.06),
    0 8px 40px rgba(0,0,0,0.10),
    0 32px 80px rgba(0,0,0,0.06);
  padding: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-chip {
  background: #f5f5f7;
  border-radius: 14px;
  padding: 24px 20px;
  text-align: left;
}

.chip-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.chip-icon.blue   { background: linear-gradient(135deg, #0071e3, #34aadc); }
.chip-icon.indigo { background: linear-gradient(135deg, #5856d6, #af52de); }
.chip-icon.green  { background: linear-gradient(135deg, #34c759, #30d158); }

.chip-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.chip-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ── Features strip ── */
.features {
  padding: 100px 24px;
  text-align: center;
  background: #f5f5f7;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--text-primary);
  max-width: 640px;
  margin: 0 auto 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: left;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 20px;
  display: block;
}

.feature-name {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ── Footer ── */
footer {
  padding: 40px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ── Animations ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .nav-links { display: none; }

  .hero-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}