/* ========================================
   Ashita AI - Main Stylesheet
   Black/white with indigo accent
   ======================================== */

:root {
  --color-black: #000;
  --color-white: #fff;
  --color-off-white: #f8f8f8;
  --color-gray-light: #f5f5f5;
  --color-gray: #666;
  --color-accent: #2c4a6e; /* Indigo from logo */
  --max-width: 660px;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-black);
  background: #f4f5ef;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem 0;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

p {
  margin: 0 0 1.5rem 0;
}

a {
  color: #2c4a6e;
  text-decoration: underline;
}

a:hover {
  color: #1a3a5c;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  min-height: calc(100vh - 200px);
}

/* Header */
.site-header {
  border-bottom: none;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  border: none;
}

.logo {
  height: 64px;
  width: auto;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--color-black);
  font-size: 0.875rem;
  font-weight: 500;
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-black);
  padding: 2rem 0;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  margin: 0;
  color: var(--color-gray);
  font-size: 0.8125rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--color-gray);
  font-size: 0.8125rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 1.5rem 0 4rem;
  border-bottom: 1px solid var(--color-black);
  margin-bottom: 3rem;
}

.hero-logo {
  max-width: 400px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-gray);
  margin: 0;
}

/* Projects Grid */
.projects-section h2 {
  margin-bottom: 2rem;
}

.project-card {
  padding: 2rem 0;
  border-bottom: 1px solid #e0dbd3;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.project-card:last-child {
  border-bottom: none;
}

.project-logo {
  height: 120px;
  width: 120px;
  object-fit: contain;
  border-radius: 8px;
  flex-shrink: 0;
}

.project-content {
  flex: 1;
  min-width: 0;
}

.project-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.project-card h3 a {
  color: var(--color-black);
}

.project-card h3 a:hover {
  color: var(--color-accent);
}

.project-card p {
  color: var(--color-gray);
  margin-bottom: 1rem;
}

.project-link {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Blog List */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid #e0dbd3;
}

.post-meta {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-bottom: 0.25rem;
}

.post-title {
  margin: 0;
}

.post-title a {
  color: var(--color-black);
}

/* Page Content */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-black);
}

.page-header h1 {
  margin: 0;
}

/* Contact Form */
.contact-form {
  max-width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border: 1px solid var(--color-black);
  background: var(--color-white);
  color: var(--color-black);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  background: var(--color-black);
  border: 1px solid var(--color-black);
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.875rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  font-weight: 600;
  background: rgba(0, 0, 0, 0.03);
}

tr:last-child td {
  border-bottom: none;
}

/* Responsive */
@media (max-width: 600px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .footer-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .hero-logo {
    max-width: 150px;
  }
}