/* ============================================
   Aissam Belhachmi — Minimal & Refined Theme
   ============================================ */

:root {
  --color-bg: #f3f5f9;
  --color-surface: #e9ecf3;
  --color-text: #1a1d24;
  --color-text-secondary: #586275;
  --color-accent: #3566a8;
  --color-border: #d2d7e2;
  --color-code-bg: #e7eaf1;
  --color-header-bg: rgba(243, 245, 249, 0.85);

  --font-display: 'Literata', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;
  --font-mono: 'Fira Code', 'SF Mono', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --max-width: 680px;
  --header-height: 64px;

  color-scheme: light dark;
}

[data-theme="dark"] {
  --color-bg: #13161b;
  --color-surface: #1a1e26;
  --color-text: #dae0ea;
  --color-text-secondary: #8793a6;
  --color-accent: #5a9de6;
  --color-border: #262c38;
  --color-code-bg: #1a1e26;
  --color-header-bg: rgba(19, 22, 27, 0.85);
}

/* ---- Reset ---- */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  background: var(--color-header-bg);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  transition: opacity 0.2s ease;
}


.site-title:hover {
  opacity: 0.6;
}

.site-nav {
  display: flex;
  gap: var(--space-sm);
}

.site-nav a {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

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

.site-nav a:hover::after {
  width: 100%;
}

/* ---- Main ---- */

main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

/* ---- Hero ---- */

.hero {
  padding: var(--space-md) 0 var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.hero-name-block {
  position: relative;
}

.hero-arabic {
  position: absolute;
  right: -0.15em;
  top: -0.25em;
  font-family: 'Noto Naskh Arabic', serif;
  font-size: clamp(4rem, 12vw, 7.5rem);
  font-weight: 600;
  opacity: 0.07;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  direction: rtl;
  animation: fadeIn 1.2s ease 0.5s both;
}

[data-theme="dark"] .hero-arabic {
  opacity: 0.09;
}

.arabic-first {
  color: var(--color-text);
}

.arabic-last {
  color: var(--color-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xs);
  position: relative;
}

.hero-name {
  display: block;
  font-size: clamp(3rem, 8vw, 4.5rem);
  animation: fadeUp 0.8s ease both;
}

.hero-name:nth-child(2) {
  animation-delay: 0.12s;
  color: var(--color-accent);
}

.hero-phonetic {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  opacity: 0.6;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
  animation: fadeUp 0.8s ease 0.18s both;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  animation: fadeUp 0.8s ease 0.24s both;
}

.hero-links {
  display: flex;
  gap: var(--space-sm);
  animation: fadeUp 0.8s ease 0.36s both;
}

.hero-links a {
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  padding: 0.45em 1em;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.hero-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(53, 102, 168, 0.04);
}

/* ---- Section Title ---- */

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  padding-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

/* ---- Post List ---- */

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

.post-item {
  border-bottom: 1px solid var(--color-border);
}

.post-item:last-child {
  border-bottom: none;
}

.post-link {
  display: block;
  padding: var(--space-md) 0;
  transition: transform 0.2s ease;
}

.post-link:hover {
  transform: translateX(6px);
}

.post-link:hover .post-title {
  color: var(--color-accent);
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.post-list .post-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: var(--space-xs) 0;
  transition: color 0.2s ease;
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---- Single Post ---- */

.post {
  padding-bottom: var(--space-xl);
}

.post-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.post-header .post-date {
  display: block;
  margin-bottom: var(--space-sm);
}

.post-header .post-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

/* ---- Post Body (prose) ---- */

.post-body {
  font-size: 1rem;
  line-height: 1.8;
}

.post-body > * + * {
  margin-top: 1.5em;
}

.post-body h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-top: 2.5em;
  margin-bottom: 0.5em;
}

.post-body h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-top: 2em;
  margin-bottom: 0.5em;
}

.post-body p {
  color: var(--color-text);
}

.post-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(53, 102, 168, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease;
}

.post-body a:hover {
  text-decoration-color: var(--color-accent);
}

.post-body ul, .post-body ol {
  padding-left: 1.4em;
}

.post-body li {
  margin-top: 0.4em;
}

.post-body blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-sm);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-left: 0;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.post-body pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-sm) var(--space-md);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
}

.post-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.post-body img {
  border-radius: 4px;
  margin: var(--space-md) 0;
  border: 1px solid var(--color-border);
}

.post-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-lg) 0;
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
  text-align: center;
}

.footer-inner p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* ---- Theme Toggle ---- */

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  cursor: pointer;
  padding: 0.3em 0.55em;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  transition: all 0.25s ease;
  line-height: 1;
  display: flex;
  align-items: center;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
  width: 15px;
  height: 15px;
}

:root .theme-toggle .icon-moon { display: block; }
:root .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* ---- Body transition ---- */

body, .site-header {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ---- Animations ---- */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 0.07; }
}

[data-theme="dark"] .hero-arabic {
  animation-name: fadeInDark;
}

@keyframes fadeInDark {
  from { opacity: 0; }
  to { opacity: 0.09; }
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
  html {
    font-size: 15px;
  }

  .header-inner {
    flex-direction: column;
    height: auto;
    padding: var(--space-sm) var(--space-sm);
    gap: var(--space-xs);
  }

  .site-nav {
    gap: var(--space-sm);
  }

  .hero {
    padding: var(--space-sm) 0 var(--space-xs);
  }

  .hero-arabic {
    font-size: 4.5rem;
    right: -0.1em;
    top: -0.15em;
  }

  .post-header {
    padding: var(--space-lg) 0 var(--space-md);
  }

  main {
    padding: 0 var(--space-sm);
  }
}