@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --black: #000000;
  --white: #ffffff;
  --zinc-400: #a1a1aa;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--black);
  color: var(--white);
  line-height: 1.5;
}

.bg-black {
  background-color: var(--black);
}

.text-white {
  color: var(--white);
}

.text-zinc-400 {
  color: var(--zinc-400);
}

.border-zinc-800 {
  border-color: var(--zinc-800);
}

.border-zinc-700 {
  border-color: var(--zinc-700);
}

.bg-zinc-900 {
  background-color: var(--zinc-900);
}

.bg-white {
  background-color: var(--white);
}

.text-black {
  color: var(--black);
}

/* Utility Classes */
.max-w-7xl {
  max-width: 80rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.py-20 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.py-32 {
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-20 {
  margin-bottom: 5rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

.gap-12 {
  gap: 3rem;
}

/* Layout */
.flex {
  display: flex;
}

.grid {
  display: grid;
}

.hidden {
  display: none;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.text-center {
  text-align: center;
}

/* Typography */
.text-sm {
  font-size: 0.875rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}

.text-5xl {
  font-size: 3rem;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

/* Components */
.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.rounded-2xl {
  border-radius: 1rem;
}

.rounded-3xl {
  border-radius: 1.5rem;
}

.rounded-full {
  border-radius: 9999px;
}

.border {
  border-width: 1px;
  border-style: solid;
}

.border-b {
  border-bottom-width: 1px;
  border-bottom-style: solid;
}

.border-t {
  border-top-width: 1px;
  border-top-style: solid;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

nav .h-16 {
  height: 4rem;
}

/* Features Card */
.feature-card {
  background: linear-gradient(to bottom right, var(--zinc-900), var(--zinc-800));
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--zinc-800);
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--zinc-700);
}

.feature-card .icon-container {
  height: 3.5rem;
  width: 3.5rem;
  background: linear-gradient(to bottom right, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.feature-card:hover .icon-container {
  transform: scale(1.1);
}

/* Pricing Card */
.pricing-card {
  position: relative;
  background: linear-gradient(to bottom right, var(--zinc-900), var(--zinc-800));
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--zinc-800);
  transition: all 0.3s ease;
}

.pricing-card:hover {
  border-color: var(--zinc-700);
}

.pricing-card.popular {
  border-color: var(--zinc-600);
}

.pricing-card .popular-badge {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--white);
  color: var(--black);
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Testimonial Card */
.testimonial-card {
  background: linear-gradient(to bottom right, var(--zinc-900), var(--zinc-800));
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--zinc-800);
}

.testimonial-card img {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
}

/* Buttons */
button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all 0.3s ease;
}

button:hover {
  transform: translateY(-1px);
}

/* Responsive Design */
@media (min-width: 640px) {
  .sm\:w-auto {
    width: auto;
  }

  .sm\:flex-row {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .md\:flex {
    display: flex;
  }

  .md\:hidden {
    display: none;
  }

  .md\:flex-row {
    flex-direction: row;
  }

  .md\:text-4xl {
    font-size: 2.25rem;
  }

  .md\:text-7xl {
    font-size: 4.5rem;
  }
}