/*
  Poppins Design Clone - Styles
  Based on poppins.design
*/

:root {
  /* Colors */
  --background: #ffffff;
  --foreground: #111111;
  --primary: #5433eb; /* Vibrant purple/blue from original */
  --primary-hover: #4324c2;
  --secondary: #f3f4f6;
  --secondary-foreground: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;

  /* Spacing */
  --container-width: 1200px;
  --header-height: 80px;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }

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

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-muted { color: var(--muted); }

.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-16 { margin-top: 4rem; }
.mb-4 { margin-bottom: 1rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

/* Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 9999px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

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

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
}

.btn-secondary:hover {
  background-color: #e5e7eb;
}

/* Header */
.header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.header.scrolled {
  border-color: var(--border);
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-links {
  display: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    gap: 2rem;
    font-size: 0.95rem;
    font-weight: 500;
  }
}

/* Hero */
.hero {
  padding: 80px 20px 100px;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.service-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-title {
  font-weight: 600;
  font-size: 1rem;
}

/* Portfolio */
.project-card {
  background-color: var(--secondary);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.project-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-content {
  opacity: 1;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 4rem 20px;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr;
  }
}