/* ============================================
   Abdullah Samman — Portfolio
   css/style.css
   ============================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:wght@400;500;700&display=swap');

/* ── Tokens ── */
:root {
  --blue-deep:    #06111f;
  --blue-dark:    #0a1a30;
  --blue-mid:     #163358;
  --blue-bright:  #2563eb;
  --blue-glow:    #3b82f6;
  --blue-light:   #93c5fd;
  --accent:       #60a5fa;
  --white:        #e8f2ff;
  --muted:        #8aa8cc;
  --card-bg:      rgba(255,255,255,0.04);
  --card-border:  rgba(96,165,250,0.14);
  --nav-h:        70px;
  --radius:       14px;
  --ease:         cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: #06111f;
  color: #e8f2ff;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Background atmosphere ── */
.bg-mesh {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 8% 0%,  rgba(37,99,235,0.2)  0%, transparent 65%),
    radial-gradient(ellipse 55% 45% at 92% 100%, rgba(59,130,246,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 45% 40% at 50% 55%, rgba(22,51,88,0.35)  0%, transparent 70%);
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(96,165,250,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96,165,250,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── Wrapper ── */
.container {
  position: relative; z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================
   NAV
   ============================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 200;
  background: rgba(6,17,31,0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(96,165,250,0.1);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: #e8f2ff;
}
.nav-logo span { color: #60a5fa; }
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  padding: 8px 16px; border-radius: 100px;
  color: var(--muted);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav-links a:hover { color: #e8f2ff; background: rgba(96,165,250,0.1); }
.nav-links a.active { color: #93c5fd; background: rgba(96,165,250,0.12); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #e8f2ff; border-radius: 2px; transition: all 0.25s; }
.mobile-menu {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(6,17,31,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(96,165,250,0.1);
  z-index: 199; padding: 20px 24px;
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px; border-radius: var(--radius);
  font-weight: 500; color: var(--muted);
  transition: all 0.25s;
}
.mobile-menu a:hover { color: #e8f2ff; background: rgba(96,165,250,0.08); }

/* ============================================
   SHARED SECTION STYLES
   ============================================ */
section { padding: 100px 0; }
.section-label {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: #60a5fa; margin-bottom: 10px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: #e8f2ff;
}
.section-desc {
  color: var(--muted);
  max-width: 540px;
  font-size: 1rem;
  margin-top: 12px;
}
.section-header {
  display: flex; align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px; flex-wrap: wrap; gap: 16px;
}
.view-all {
  font-size: 0.875rem; font-weight: 500; color: #60a5fa;
  display: flex; align-items: center; gap: 6px;
  transition: gap 0.2s; white-space: nowrap;
}
.view-all:hover { gap: 10px; }
.view-all svg { flex-shrink: 0; }
.section-divider {
  height: 1px; position: relative; z-index: 1;
  background: linear-gradient(90deg, transparent, rgba(96,165,250,0.18), transparent);
  margin: 0 40px;
}

/* Fade-in on scroll */
.fade-up { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: none; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: #2563eb; color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500; font-size: 0.9rem;
  padding: 13px 26px; border-radius: 100px;
  border: none; cursor: pointer;
  transition: all 0.25s var(--ease);
  box-shadow: 0 0 28px rgba(37,99,235,0.35);
}
.btn-primary:hover { background: #3b82f6; transform: translateY(-2px); box-shadow: 0 0 44px rgba(59,130,246,0.5); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(96,165,250,0.2); color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500; font-size: 0.9rem;
  padding: 13px 26px; border-radius: 100px;
  transition: all 0.25s var(--ease);
}
.btn-outline:hover { border-color: #60a5fa; color: #e8f2ff; background: rgba(96,165,250,0.08); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid rgba(96,165,250,0.15);
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500; font-size: 0.9rem;
  padding: 12px 28px; border-radius: 100px;
  cursor: pointer; transition: all 0.25s var(--ease);
}
.btn-ghost:hover { border-color: #60a5fa; color: #e8f2ff; background: rgba(96,165,250,0.06); }

/* ============================================
   HERO
   ============================================ */
#home { min-height: 100vh; display: flex; align-items: center; padding-top: var(--nav-h); }
.hero-grid {
  display: grid; grid-template-columns: 1fr auto;
  gap: 60px; align-items: center; padding: 80px 0;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #60a5fa; background: rgba(96,165,250,0.1);
  border: 1px solid rgba(96,165,250,0.22);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 26px;
}
.hero-tag::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: #60a5fa;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }

.hero-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(3rem, 6.5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: #e8f2ff;
  margin-bottom: 18px;
}
.hero-name .grad {
  background: linear-gradient(135deg, #3b82f6 0%, #93c5fd 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 500px;
  margin-bottom: 38px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.scroll-hint {
  display: flex; align-items: center; gap: 12px;
  margin-top: 60px; color: var(--muted);
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.scroll-hint::before {
  content: ''; width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, var(--muted));
}

/* Avatar */
.hero-avatar {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, #163358 0%, #0a1a30 100%);
  border: 1.5px solid rgba(96,165,250,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 70px rgba(37,99,235,0.18), inset 0 0 40px rgba(96,165,250,0.05);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* ============================================
   ABOUT
   ============================================ */
#about .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-body p {
  color: #9bb6d6;
  margin-bottom: 18px;
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.about-body p strong { color: #e8f2ff; font-weight: 500; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }
.skill-chip {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  border-radius: 10px; padding: 10px 14px;
  font-size: 0.85rem; font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.25s var(--ease);
}
.skill-chip:hover { border-color: rgba(96,165,250,0.32); background: rgba(96,165,250,0.06); }
.skill-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: #60a5fa; flex-shrink: 0; }
.stats-stack { display: flex; flex-direction: column; gap: 18px; }
.stat-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  border-radius: var(--radius); padding: 26px;
  transition: all 0.25s var(--ease);
}
.stat-card:hover { border-color: rgba(96,165,250,0.28); transform: translateX(4px); }
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: #93c5fd;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 5px;
}
.stat-label {
  color: var(--muted);
  font-size: 0.875rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.project-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  border-radius: var(--radius); padding: 28px;
  position: relative; overflow: hidden;
  transition: all 0.28s var(--ease);
}
.project-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(96,165,250,0.07) 0%, transparent 70%);
  opacity: 0; transition: opacity 0.28s;
}
.project-card:hover { border-color: rgba(96,165,250,0.32); transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }
.project-card:hover::before { opacity: 1; }
.project-card.featured { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.project-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.project-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(96,165,250,0.12));
  border: 1px solid rgba(96,165,250,0.18);
  display: flex; align-items: center; justify-content: center; font-size: 1.15rem;
}
.project-year { font-size: 0.75rem; color: var(--muted); font-weight: 500; letter-spacing: 0.05em; }
.project-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #e8f2ff;
  letter-spacing: -0.03em;
}
.project-desc {
  color: #9bb6d6;
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 18px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px;
  background: rgba(96,165,250,0.1); border: 1px solid rgba(96,165,250,0.2); color: #93c5fd;
}
.project-links { display: flex; gap: 14px; }
.project-link {
  font-size: 0.8rem; font-weight: 500; color: var(--muted);
  display: flex; align-items: center; gap: 5px;
  transition: color 0.2s;
  font-family: 'DM Sans', sans-serif;
}
.project-link:hover { color: #60a5fa; }
.show-more-wrap { text-align: center; margin-top: 36px; }

/* Code snippet block inside featured card */
.code-preview {
  background: rgba(0,0,0,0.3); border: 1px solid rgba(96,165,250,0.14);
  border-radius: 12px; padding: 22px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.78rem; color: #7dd3fc; line-height: 1.85;
}
.code-preview .c-comment { color: #475569; }
.code-preview .c-kw { color: #94a3b8; }
.code-preview .c-fn { color: #60a5fa; }
.code-preview .c-str { color: #34d399; }
.code-preview .c-num { color: #a78bfa; }

/* ============================================
   BLOG
   ============================================ */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.blog-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  border-radius: var(--radius); padding: 28px;
  display: flex; flex-direction: column;
  transition: all 0.28s var(--ease);
}
.blog-card:hover { border-color: rgba(96,165,250,0.28); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.25); }
.blog-card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.blog-date { font-size: 0.75rem; color: var(--muted); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }
.blog-read { font-size: 0.72rem; color: #475569; }
.blog-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.08rem;
  color: #e8f2ff;
  margin-bottom: 10px;
  line-height: 1.3;
  letter-spacing: -0.03em;
}
.blog-excerpt {
  color: #9bb6d6;
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.blog-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.blog-read-more {
  font-size: 0.8rem; font-weight: 500; color: #60a5fa;
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap 0.2s; margin-top: auto;
  font-family: 'DM Sans', sans-serif;
}
.blog-read-more:hover { gap: 10px; }

/* ============================================
   CONTACT
   ============================================ */
.contact-wrap {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  border-radius: 20px; padding: 64px;
  text-align: center; position: relative; overflow: hidden;
}
.contact-wrap::before {
  content: ''; position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.contact-wrap .section-title { margin-bottom: 14px; }
.contact-wrap .section-desc { margin: 0 auto 36px; }
.contact-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
footer {
  border-top: 1px solid rgba(96,165,250,0.1);
  padding: 44px 0; position: relative; z-index: 1;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 22px;
}
.footer-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: #e8f2ff;
  letter-spacing: -0.03em;
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 4px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(96,165,250,0.14);
  color: var(--muted); font-size: 0.85rem; font-weight: 500;
  padding: 9px 18px; border-radius: 100px;
  transition: all 0.25s var(--ease);
  font-family: 'DM Sans', sans-serif;
}
.social-btn:hover { border-color: #60a5fa; color: #e8f2ff; background: rgba(96,165,250,0.08); transform: translateY(-2px); }
.social-btn svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ============================================
   BLOG POST PAGE (blog/post.html)
   ============================================ */
.post-page { padding: calc(var(--nav-h) + 60px) 0 100px; }
.post-back {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 0.875rem; font-weight: 500;
  margin-bottom: 40px; transition: color 0.2s;
  font-family: 'DM Sans', sans-serif;
}
.post-back:hover { color: #60a5fa; }
.post-header { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(96,165,250,0.12); }
.post-meta {
  display: flex; flex-wrap: wrap; gap: 18px;
  color: var(--muted); font-size: 0.875rem; margin-top: 14px;
  font-family: 'DM Sans', sans-serif;
}
.post-body {
  max-width: 720px;
  color: #b0c8e8;
  font-size: 1rem;
  line-height: 1.85;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.post-body h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #e8f2ff;
  margin: 36px 0 14px;
  letter-spacing: -0.03em;
}
.post-body h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #e8f2ff;
  margin: 28px 0 10px;
  letter-spacing: -0.03em;
}
.post-body p { margin-bottom: 20px; }
.post-body ul { margin: 0 0 20px 20px; list-style: disc; }
.post-body ul li { margin-bottom: 8px; }
.post-body code {
  background: rgba(96,165,250,0.1); border: 1px solid rgba(96,165,250,0.2);
  border-radius: 6px; padding: 2px 7px;
  font-size: 0.85em; font-family: 'Fira Code', monospace; color: #93c5fd;
}
.post-body pre {
  background: rgba(0,0,0,0.35); border: 1px solid rgba(96,165,250,0.12);
  border-radius: var(--radius); padding: 22px; overflow-x: auto; margin: 24px 0;
}
.post-body pre code { background: none; border: none; padding: 0; font-size: 0.875rem; }
.post-body strong { color: #e8f2ff; font-weight: 500; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 36px; padding: 60px 0; }
  .hero-avatar { margin: 0 auto; width: 150px; height: 150px; }
  .hero-ctas { justify-content: center; }
  #about .about-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
  .code-preview { display: none; }
  .contact-wrap { padding: 36px 22px; }
  .footer-inner { flex-direction: column; text-align: center; align-items: center; }
  section { padding: 72px 0; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .skills-grid { grid-template-columns: 1fr; }
}