/* 
  styles.css
  Zamorin Corp. - Minimalist Editorial Stylesheet for Enterprise Systems & Research 
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono&display=swap');

:root {
  /* Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border-light: #e5e7eb;
  --border-dark: #111827;
  --accent: #2563eb;
  
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

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

/* Common Layout Elements */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 8rem 0;
  border-bottom: 1px solid var(--border-light);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  display: inline-block;
  margin-bottom: 1.5rem;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 4px 0;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
  padding-top: calc(var(--header-height) + 6rem);
  padding-bottom: 8rem;
  border-bottom: 1px solid var(--border-light);
}

.hero-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 4rem;
  align-items: start;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.hero-meta {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border-dark);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

.hero-sidebar {
  border-left: 1px solid var(--border-light);
  padding-left: 3rem;
  height: 100%;
}

.sidebar-item {
  margin-bottom: 2.5rem;
}

.sidebar-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.sidebar-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Capabilities (Services) Section */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.capability-card {
  border: 1px solid var(--border-light);
  padding: 2.5rem;
  background-color: var(--bg-primary);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.capability-card:hover {
  border-color: var(--border-dark);
}

.capability-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.capability-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.capability-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Research Section */
.research-layout {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 4rem;
}

.section-sticky-title {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.section-sticky-title h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.research-list {
  display: flex;
  flex-direction: column;
}

.research-item {
  border-top: 1px solid var(--border-light);
  padding: 2.5rem 0;
  display: grid;
  grid-template-columns: 3fr 7fr 2fr;
  gap: 2rem;
  align-items: start;
  transition: background-color 0.2s ease;
}

.research-item:last-child {
  border-bottom: 1px solid var(--border-light);
}

.research-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 0.25rem 0.75rem;
  width: fit-content;
  border: 1px solid var(--border-light);
}

.research-content h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.research-content p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.research-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
}

/* Philosophy Section */
.philosophy-layout {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 6rem;
  align-items: center;
}

.philosophy-text h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.philosophy-text p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.philosophy-quote {
  border-left: 2px solid var(--border-dark);
  padding-left: 2.5rem;
}

.philosophy-quote blockquote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.philosophy-quote cite {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Contact Section */
.contact-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 6rem;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.contact-info p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-val {
  font-size: 1.05rem;
  font-weight: 500;
}

/* Contact Form styling */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

.form-input {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--border-light);
  background: transparent;
  outline: none;
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.form-label {
  position: absolute;
  left: 0;
  top: 0.75rem;
  font-size: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s ease;
}

/* Floating Label Logic */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -1.25rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.form-input:focus {
  border-bottom-color: var(--border-dark);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  font-size: 0.9rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  display: none;
}

.form-status.success {
  display: block;
  color: #10b981;
}

.form-status.error {
  display: block;
  color: #ef4444;
}

/* Footer styling */
footer {
  padding: 4rem 0;
  background-color: var(--bg-primary);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: 3rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-left p {
  font-family: var(--font-mono);
}

.footer-right {
  display: flex;
  gap: 2rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-layout,
  .research-layout,
  .philosophy-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .hero-sidebar {
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding-left: 0;
    padding-top: 3rem;
  }
  
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section-sticky-title {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  
  .section {
    padding: 5rem 0;
  }
  
  .hero-headline {
    font-size: 2.5rem;
  }
  
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  
  .research-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .research-date {
    text-align: left;
    order: -1;
  }
  
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 4rem 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--border-light);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .menu-toggle {
    display: block;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
  
  .footer-container {
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
  }
  
  .footer-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}