:root {
  --ink: #1d1e20;
  --muted: #727586;
  --bg-light: #f2f3f6;
  --accent: #2f1c6a;
  --accent-hover: #1d1146;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: #fff;
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin: 0 0 16px;
}

p { margin: 0 0 16px; color: var(--muted); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-nav {
  padding: 10px 20px;
  font-size: 14px;
}

/* Header */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 20px 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
}

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

.nav > a:first-child {
  color: #fff;
  font-weight: 500;
}

/* Hero */
.hero {
  position: relative;
  min-height: 640px;
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.is-active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  color: #fff;
  margin-bottom: 28px;
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 1;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 0;
}

.hero-dot.is-active { background: #fff; }

/* Features */
.features {
  padding: 96px 0;
  background: var(--bg-light);
}

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

.features h2 { font-size: clamp(28px, 3vw, 40px); }

.features-sub {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--ink);
  font-size: 18px;
}

.features-image img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

/* Signup */
.signup {
  padding: 96px 0;
  text-align: center;
}

.signup h2 { font-size: clamp(26px, 3vw, 34px); }

.signup-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 480px;
  margin: 32px auto 0;
}

.signup-form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 8px;
  border: 1px solid #dadce0;
  font-family: var(--font-body);
  font-size: 15px;
}

.signup-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.signup-message {
  min-height: 24px;
  margin-top: 16px;
  font-weight: 500;
}

.signup-message.success { color: #00b090; }
.signup-message.error { color: #d63163; }

/* Footer */
.site-footer {
  padding: 32px 0;
  text-align: center;
  background: var(--bg-light);
}

.site-footer p { margin: 0; font-size: 14px; }

@media (max-width: 800px) {
  .features-inner {
    grid-template-columns: 1fr;
  }
  .nav > a:first-child { display: none; }
  .signup-form { flex-direction: column; }
}