:root {
  --bg: #f9fafb;
  --bg-alt: #ffffff;
  --text: #111827;
  --text-muted: #6b7280;
  --accent: #059669;
  --accent-dark: #047857;
  --accent-light: #d1fae5;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
  --shadow-lg: 0 4px 20px rgba(0,0,0,.06);
  --radius: 16px;
  --radius-sm: 8px;
  --max-width: 1120px;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.25;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section__title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 12px;
}

.section__desc {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s;
}

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

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn--outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn--lg { padding: 16px 40px; font-size: 1.125rem; }

.grid {
  display: grid;
  gap: 32px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(249,250,251,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
}
.nav { display: flex; gap: 32px; }
.nav__link {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
  position: relative;
}
.nav__link:hover,
.nav__link--active { color: var(--accent); }
.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .25s;
}

/* Hero */
.hero {
  padding: 160px 0 96px;
  text-align: center;
}
.hero__badge {
  display: inline-block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: 3.25rem;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero__subtitle {
  font-size: 1.1875rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* Card */
.card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card__icon { font-size: 2rem; margin-bottom: 16px; }
.card__title {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.card__text { color: var(--text-muted); font-size: .9375rem; line-height: 1.7; }

/* Stats */
.stats {
  background: var(--accent);
  color: #fff;
}
.stat { text-align: center; }
.stat__number {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  display: block;
}
.stat__label {
  font-size: 1rem;
  opacity: .85;
  margin-top: 4px;
  display: block;
}

/* Pricing */
.card--pricing { text-align: center; padding: 40px 32px; }
.card--featured {
  border-color: var(--accent);
  position: relative;
}
.card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: .8125rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
}
.card__price {
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 16px 0 24px;
}
.card__list {
  text-align: left;
  margin-bottom: 32px;
}
.card__list li {
  padding: 6px 0;
  color: var(--text-muted);
  font-size: .9375rem;
}
.card__list li::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 700;
}

/* CTA */
.cta { text-align: center; background: var(--bg-alt); }
.cta__title { font-size: 2.25rem; margin-bottom: 16px; }
.cta__text {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* Page hero */
.page-hero {
  padding: 140px 0 0;
  text-align: center;
}
.page-hero__title {
  font-size: 2.75rem;
}

/* About */
.about-content { padding-top: 48px; }
.about-content__text { max-width: 720px; margin: 0 auto; }
.about-content__text p {
  font-size: 1.0625rem;
  margin-bottom: 20px;
  color: var(--text-muted);
}
.about-content__text a { color: var(--accent); font-weight: 600; }
.about-content__text a:hover { text-decoration: underline; }
.about-content__text .btn { margin-top: 12px; }

/* Contact */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.contact__info h2 { font-size: 1.75rem; margin-bottom: 16px; }
.contact__info > p { color: var(--text-muted); margin-bottom: 32px; }
.contact__details { display: flex; flex-direction: column; gap: 20px; }
.contact__item strong {
  display: block;
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact__item a { color: var(--text); font-weight: 500; }
.contact__item a:hover { color: var(--accent); }
.form__group { margin-bottom: 20px; }
.form__group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.form__group input,
.form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  background: var(--bg-alt);
  transition: border-color .2s;
}
.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(5,150,105,.1);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__brand p { color: var(--text-muted); font-size: .875rem; }
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  color: var(--text-muted);
  font-size: .875rem;
  transition: color .2s;
}
.footer__links a:hover { color: var(--accent); }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .hero__title { font-size: 2.25rem; }
  .hero { padding: 120px 0 64px; }
  .section { padding: 64px 0; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav.nav--open { display: flex; }
  .hamburger { display: flex; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
  .page-hero__title { font-size: 2rem; }
  .stat__number { font-size: 2.25rem; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.75rem; }
  .container { padding: 0 16px; }
  .section__title { font-size: 1.5rem; }
}