/* Planteseide - Asymmetric Layout Theme */
:root {
  --bg: #0c0f14;
  --bg-elev: #141820;
  --bg-card: #1a1d26;
  --text: #e8eaed;
  --text-muted: #9aa0a6;
  --text-subtle: #6b7280;
  --primary: #ff6b6b;
  --primary-hover: #ff5252;
  --primary-dark: #e53e3e;
  --accent: #4ecdc4;
  --accent-hover: #38b2ac;
  --border: #2d3748;
  --border-light: #4a5568;
  --shadow: rgba(0, 0, 0, 0.5);
  --shadow-lg: rgba(0, 0, 0, 0.7);
  --gradient: linear-gradient(45deg, #ff6b6b 0%, #4ecdc4 100%);
  --gradient-bg: linear-gradient(135deg, #0c0f14 0%, #1a1d26 50%, #141820 100%);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header - Vertical Sidebar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  z-index: 100;
  background: var(--bg-elev);
  border-right: 2px solid var(--border);
  transition: all 0.3s ease;
  overflow-y: auto;
}

.nav {
  display: flex;
  flex-direction: column;
  padding: 40px 0;
  height: 100%;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  font-weight: 800;
  font-size: 24px;
  color: var(--text);
  margin-bottom: 60px;
  padding: 0 30px;
  text-align: center;
}

.brand:hover {
  transform: scale(1.05);
}

.brand img {
  height: 80px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(255, 107, 107, 0.3));
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 20px;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 16px;
  padding: 16px 24px;
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  text-align: left;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 107, 107, 0.1);
  transform: translateX(8px);
}

.nav-links a[aria-current="page"] {
  color: var(--primary);
  background: rgba(255, 107, 107, 0.15);
  border-left: 4px solid var(--primary);
}

/* Hero Section - Asymmetric Layout */
.hero {
  padding: 60px 0;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255, 107, 107, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 80% 70%, rgba(78, 205, 196, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  padding: 0 60px;
}

@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 0 40px;
  }
}

.h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  margin: 0 0 32px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: right;
}

.lead {
  font-size: 22px;
  color: var(--text-muted);
  margin: 0 0 50px;
  line-height: 1.7;
  font-weight: 400;
  text-align: right;
  max-width: 500px;
  margin-left: auto;
}

.actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 24px;
  border-radius: 12px;
  border: 2px solid transparent;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.button:hover::before {
  left: 100%;
}

.button:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow);
}

.button.primary {
  background: var(--gradient);
  color: white;
  border: 2px solid transparent;
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3);
}

.button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 212, 170, 0.4);
}

.screenshot {
  width: 100%;
  border-radius: 24px;
  border: 2px solid var(--border);
  background: var(--bg-card);
  display: block;
  box-shadow: 0 25px 50px var(--shadow-lg);
  transition: all 0.4s ease;
  transform: rotate(-2deg);
}

.screenshot:hover {
  transform: rotate(0deg) translateY(-10px);
  box-shadow: 0 35px 70px var(--shadow-lg);
}

/* Sections */
.section {
  margin-left: 280px;
  padding: 100px 60px;
  background: var(--bg);
}

.features {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  transform: translateY(20px);
  opacity: 0;
  animation: slideUp 0.6s ease forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }

@keyframes slideUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-8px) rotate(1deg);
  border-color: var(--border-light);
  box-shadow: 0 20px 40px var(--shadow);
}

.card h3 {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  text-align: center;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
  text-align: center;
  font-size: 16px;
}

/* Main Layout */
.main {
  margin-left: 280px;
  min-height: 100vh;
}

/* Footer */
.footer {
  margin-left: 280px;
  border-top: 2px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-muted);
  padding: 60px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
}

.small {
  font-size: 14px;
  color: var(--text-subtle);
}

/* Forms */
.form {
  display: grid;
  gap: 24px;
  max-width: 600px;
}

.label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.input, .textarea, .select {
  width: 100%;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  padding: 16px 20px;
  font-size: 16px;
  transition: all 0.3s ease;
  font-family: inherit;
}

.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.textarea {
  min-height: 160px;
  resize: vertical;
}

/* Utility */
hr.sep {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}

/* Responsive */
@media (max-width: 1200px) {
  .header {
    width: 240px;
  }
  
  .hero {
    margin-left: 240px;
  }
  
  .section {
    margin-left: 240px;
  }
  
  .main {
    margin-left: 240px;
  }
  
  .footer {
    margin-left: 240px;
  }
}

@media (max-width: 768px) {
  .header {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    transition: left 0.3s ease;
  }
  
  .header.open {
    left: 0;
  }
  
  .hero {
    margin-left: 0;
    padding: 40px 20px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }
  
  .h1, .lead {
    text-align: left;
  }
  
  .actions {
    justify-content: flex-start;
  }
  
  .section {
    margin-left: 0;
    padding: 60px 20px;
  }
  
  .features {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .main {
    margin-left: 0;
  }
  
  .footer {
    margin-left: 0;
    padding: 40px 20px;
  }
  
  .footer-inner {
    padding: 0;
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
}