/* ==================== ERPIZE - ERP Magazine ==================== */

:root {
  --black: #0a0a0b;
  --white: #fafafa;
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --accent-glow: rgba(6, 182, 212, 0.4);
  --gray: #888;
  --dark-gray: #1a1a1c;
  --card-bg: #141416;
  --gradient-1: linear-gradient(135deg, #06b6d4 0%, #10b981 50%, #34d399 100%);
  --green: #10b981;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==================== NAVIGATION ==================== */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 11, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  cursor: pointer;
}

.logo span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray);
  transition: color 0.2s;
}

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

/* ==================== BUTTONS ==================== */
.btn-primary {
  background: var(--gradient-1);
  color: var(--black);
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
  background: var(--dark-gray);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.5rem;
  width: 280px;
  transition: all 0.3s ease;
}

.hero-card:hover {
  border-color: var(--accent);
  transform: translateX(-10px);
}

.hero-card-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero-card-meta {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 6rem 0;
}

.section-dark {
  background: var(--dark-gray);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--gray);
  font-size: 1.1rem;
}

/* ==================== CATEGORIES ==================== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.category-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.9rem;
  color: var(--gray);
}

/* ==================== ARTICLES ==================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.article-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.article-content {
  padding: 1.5rem;
}

.article-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--gray);
}

/* ==================== NEWSLETTER ==================== */
.newsletter {
  background: var(--gradient-1);
  padding: 4rem;
  border-radius: 24px;
  text-align: center;
  margin: 4rem 0;
}

.newsletter h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 1rem;
}

.newsletter p {
  color: rgba(0, 0, 0, 0.7);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: 100px;
  border: none;
  font-size: 1rem;
  font-family: var(--font);
}

.newsletter-form button {
  background: var(--black);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 100px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.newsletter-form button:hover {
  transform: scale(1.05);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--gray);
  margin-top: 1rem;
  font-size: 0.95rem;
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.footer-links a {
  display: block;
  color: var(--gray);
  font-size: 0.9rem;
  padding: 0.4rem 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  color: var(--gray);
}

/* ==================== FLOATING BUTTON ==================== */
.feedback-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--gradient-1);
  color: var(--black);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: all 0.3s ease;
  z-index: 1000;
}

.feedback-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 30px var(--accent-glow);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Nav - show below logo on mobile */
  .nav { padding: 1rem 1.5rem; flex-wrap: wrap; gap: 0.75rem; }
  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .nav-links a { font-size: 0.85rem; }
  .hero { padding: 6rem 1.5rem 3rem; }
  .hero h1 { font-size: 2rem; }
  .categories-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .newsletter { padding: 2rem; }
  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .nav-links { gap: 0.5rem; }
  .nav-links a { font-size: 0.8rem; }
  .logo { font-size: 1.25rem; }
}