/* Global Styles for 10x with AI - Minimalist Redesign */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-serif: 'Merriweather', 'Georgia', serif;
  --color-text: #111111;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-accent: #007bff; /* Primary blue accent */
  --color-border: #eaeaea;
}

html, body {
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
  color: var(--color-text);
}

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

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

.wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  background: var(--color-bg);
}

.site-title {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.site-nav .page-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-left: 24px;
}

.site-nav .page-link:hover {
  color: var(--color-text);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  margin-top: 80px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
}

.site-footer a {
  color: var(--color-text);
  text-decoration: underline;
}

/* ── Sticky Header Navigation ── */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 14px 0;
  transition: background-color 0.3s, border-color 0.3s;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text) !important;
  text-decoration: none;
  transition: opacity 0.2s;
}

.site-brand:hover {
  opacity: 0.8;
}

.site-logo-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: inline-block;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.site-title-name {
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.site-nav .nav-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-text-light) !important;
  text-decoration: none !important;
  transition: color 0.2s, background 0.2s;
  padding: 6px 12px;
  border-radius: 6px;
}

.site-nav .nav-link:hover {
  color: var(--color-text) !important;
  background: rgba(0, 0, 0, 0.04);
}

.site-nav .nav-link.active {
  color: var(--color-text) !important;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.06);
}

/* ── Hamburger Menu Toggle ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none; /* Hide by default on mobile */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    gap: 16px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    z-index: 999;
  }

  /* When menu is open */
  .nav-open .site-nav {
    display: flex;
    animation: slideDown 0.25s ease forwards;
  }

  /* Animate hamburger to X when open */
  .nav-open .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-open .hamburger-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-open .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav .nav-link {
    font-size: 1.05rem;
    width: 80%;
    text-align: center;
    padding: 10px 0;
    margin: 0 !important;
  }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Projects Grid & Cards ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
  margin-top: 20px;
}

.project-card {
  border: 1px solid #eaeaea;
  border-radius: 8px;
  background: #fff;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
  border-color: #ddd;
}

.project-card a {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
}

.project-details {
  flex-grow: 1;
}

.project-details h3 {
  margin: 0 0 12px 0;
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #111;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.project-details p {
  font-size: 0.95rem;
  color: #555;
  margin: 0;
  line-height: 1.6;
}

.project-footer {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #f5f5f5;
}

.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: #111;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Project Tags */
.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.tag {
  background-color: #f5f5f5;
  color: #555;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Project Detail Pages ── */
.project-detail-section {
  padding: 40px 0;
}

.project-header {
  margin-bottom: 30px;
  border-bottom: 1px solid #eaeaea;
  padding-bottom: 20px;
}

.project-subtitle {
  font-size: 1.2rem;
  color: #666;
  margin: 10px 0 20px;
  line-height: 1.6;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.project-date {
  color: #888;
  font-size: 0.9rem;
}

.project-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}

.project-content p {
  margin-bottom: 20px;
}