@import url('fonts/fonts.css');

:root {
  /* Color Palette */
  --color-blue-soft: #E0EBF5;
  --color-blue-deep: #4A6C8C;
  --color-blue-slate: #829AB1;
  --color-beige-warm: #F7F5F0;
  --color-white: #FFFFFF;
  --color-charcoal: #2C3539;
  --color-charcoal-light: #5A6B75;
  --color-citation-red: #c41e3a;

  /* Typography */
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-serif: 'Lora', Georgia, serif;

  /* Type Scale */
  --text-xs: 0.875rem;
  --text-sm: 1rem;
  --text-base: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: 3.5rem;
  --text-5xl: 4.5rem;

  /* Spacing */
  --space-2: 0.5rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Other Tokens */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-charcoal);
  background-color: var(--color-beige-warm);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  background: var(--color-blue-deep);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: var(--space-4);
}

/* Typography Utilities */
.font-serif { font-family: var(--font-serif); }
.text-balance { text-wrap: balance; }
.text-center { text-align: center; }

h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-blue-deep);
}

h1 { font-size: var(--text-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-3xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

/* Forcing Constraint: Human Sentence First */
.human-opener {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-charcoal);
  line-height: 1.4;
  margin-bottom: var(--space-8);
  max-width: 42ch;
}
.human-opener i {
  color: var(--color-blue-slate);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

/* Navigation */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(247, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(74, 108, 140, 0.1);
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-blue-deep);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-charcoal-light);
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--color-blue-deep);
}

.btn-primary {
  display: inline-block;
  background-color: var(--color-blue-deep);
  color: var(--color-white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: var(--transition-normal);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-charcoal);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--color-blue-deep);
  border: 1px solid var(--color-blue-deep);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: var(--transition-normal);
}

.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-blue-soft);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  color: var(--color-blue-deep);
}
.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-color: var(--color-blue-soft);
  position: relative;
  overflow: hidden;
}

/* Bob Gill influence: concept over style, simple shapes */
.hero-bg-shape {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 60%;
  height: 120%;
  background-color: var(--color-beige-warm);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  z-index: 0;
  opacity: 0.7;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-text {
  max-width: 500px;
}

.hero-text h1 {
  margin-bottom: var(--space-6);
}

.hero-text p {
  font-size: var(--text-lg);
  color: var(--color-charcoal-light);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(74, 108, 140, 0.1);
  background-color: var(--color-white);
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
}

/* About / Philosophy Section */
.philosophy {
  background-color: var(--color-beige-warm);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.philosophy-text p {
  color: var(--color-charcoal-light);
}

/* Catalog / Publications Section */
.services {
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.service-card {
  background-color: var(--color-blue-soft);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
}

.service-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-xl);
}

.service-card .card-domain {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-citation-red);
  margin-bottom: var(--space-4);
}

.service-card p {
  color: var(--color-charcoal-light);
  font-size: var(--text-sm);
}

/* Process Timeline (Signature Moment) */
.process {
  background-color: var(--color-beige-warm);
}

.timeline {
  margin-top: var(--space-16);
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-blue-soft);
}

.timeline-step {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-16);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}
.timeline-step.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-content {
  width: calc(50% - 3rem);
  background-color: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(74, 108, 140, 0.05);
}
.timeline-step:nth-child(odd) .timeline-content {
  margin-right: auto;
}
.timeline-step:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  background-color: var(--color-blue-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 600;
  border: 6px solid var(--color-beige-warm);
  z-index: 2;
}

.timeline-image {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-blue-soft);
  aspect-ratio: 3/2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
}

/* Contact Section */
.contact {
  background-color: var(--color-blue-deep);
  color: var(--color-white);
}
.contact h2 {
  color: var(--color-white);
}
.contact .human-opener {
  color: var(--color-blue-soft);
}

.contact-info a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-info a:hover,
.contact-info a:focus-visible {
  color: var(--color-blue-soft);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.contact-info p {
  color: var(--color-blue-soft);
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  background-color: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  color: var(--color-charcoal);
  font-size: var(--text-sm);
  font-weight: 500;
}

.form-group input, .form-group textarea {
  padding: var(--space-4);
  border: 1px solid var(--color-blue-soft);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-base);
  background-color: var(--color-beige-warm);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue-deep);
  background-color: var(--color-white);
}

.contact-form .btn-primary {
  width: 100%;
  text-align: center;
}

/* Footer */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-8) 0;
  text-align: center;
  font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 992px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-16);
  }
  .hero-text {
    max-width: 600px;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
  .timeline::before {
    left: 24px;
  }
  .timeline-marker {
    left: 24px;
  }
  .timeline-content {
    width: calc(100% - 64px);
    margin-left: 64px !important;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-8);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .mobile-menu-btn {
    display: block;
  }

  .human-opener {
    font-size: var(--text-lg);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}