/* ==========================================
   EKREM USTA - KİŞİSEL WEB SİTESİ
   Global Styles & Design System
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,700;0,800;1,700;1,800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  --navy: #0f1f3d;
  --navy-light: #162847;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-glow: rgba(37, 99, 235, 0.25);

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-blue: 0 8px 32px rgba(37, 99, 235, 0.25);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--blue-300); border-radius: 3px; }

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(37,99,235,0.08);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  transition: color var(--transition);
}
.nav-logo span { color: var(--accent); }
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--accent); background: var(--blue-50); }
.nav-link.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--blue-50);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--gray-200);
}
.lang-btn {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all var(--transition);
}
.lang-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.lang-btn:not(.active):hover { color: var(--accent); background: var(--blue-50); }

.btn-nav {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--accent);
  color: white;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-blue);
}
.btn-nav:hover {
  background: var(--blue-700);
  box-shadow: 0 8px 24px rgba(37,99,235,0.35);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--blue-50); }
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ==========================================
   MOBILE MENU
   ========================================== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 2rem 1.5rem;
  z-index: 999;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu .nav-link { padding: 0.75rem 1rem; width: 100%; border-radius: var(--radius-md); }

/* ==========================================
   PAGE WRAPPER
   ========================================== */
.page {
  display: none;
  min-height: 100vh;
}
.page.active { display: block; }
.page-content { padding-top: 72px; }

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 12px 32px rgba(37,99,235,0.4);
  transform: translateY(-2px);
}
.btn-secondary {
  background: white;
  color: var(--gray-700);
  border-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--blue-300);
  color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-blue);
  transform: translateY(-2px);
}

/* ==========================================
   SECTION COMMON
   ========================================== */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--blue-50);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.7;
}
.text-accent { color: var(--accent); }

/* ==========================================
   CARDS
   ========================================== */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ==========================================
   BADGE / TAG
   ========================================== */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--blue-50);
  color: var(--blue-700);
  border: 1px solid var(--blue-100);
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background: var(--navy);
  color: white;
  padding: 3rem 0 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
}
.footer-logo span { color: var(--blue-400); }
.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-link {
  color: var(--gray-400);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-link:hover { color: var(--blue-300); }
.footer-socials {
  display: flex;
  gap: 1rem;
}
.footer-social {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.footer-social:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-2px);
}
.footer-copy {
  font-size: 0.825rem;
  color: var(--gray-500);
  text-align: center;
}
.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 0.5rem 0;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}
@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-fade-up { animation: fadeUp 0.7s ease forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease forwards; }
.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }
.animate-delay-5 { animation-delay: 0.5s; opacity: 0; }

/* ==========================================
   HERO - HOME PAGE
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 40%, #dbeafe 100%);
}
.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}
.hero-bg-blob-1 {
  width: 600px; height: 600px;
  background: var(--blue-200);
  top: -200px; right: -200px;
  animation: float 8s ease-in-out infinite;
}
.hero-bg-blob-2 {
  width: 400px; height: 400px;
  background: var(--blue-300);
  bottom: -100px; left: -100px;
  animation: float 6s ease-in-out infinite reverse;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  width: 100%;
}
.hero-text { display: flex; flex-direction: column; align-items: flex-start; }
.hero-greeting {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  border: 1px solid var(--blue-200);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.hero-greeting::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-ring 1.5s ease-out infinite;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.05;
  margin-bottom: 0.3rem;
}
.hero-title-name {
  font-style: italic;
  color: var(--accent);
  display: block;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  margin: 1.5rem 0 2.5rem;
  max-width: 440px;
  line-height: 1.75;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--blue-100);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-top: 0.1rem;
}
.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-image-card {
  position: relative;
  width: 360px;
  animation: float 5s ease-in-out infinite;
}
.hero-image-card::before {
  content: '';
  position: absolute;
  inset: -18px;
  background: conic-gradient(from 0deg, #f59e0b, #fbbf24, #f97316, #fcd34d, #fb923c, #fbbf24, #f59e0b);
  border-radius: 40px;
  z-index: -1;
  filter: blur(22px);
  opacity: 0.7;
  animation: gold-pulse 3s ease-in-out infinite;
}
@keyframes gold-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.93); }
  50%       { opacity: 0.8;  transform: scale(1.05); }
}
.hero-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-badge {
  position: absolute;
  background: white;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}
.hero-badge-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.hero-badge-1 { bottom: -20px; left: -40px; }
.hero-badge-2 { top: -20px; right: -30px; }

/* ==========================================
   HOME - SKILLS SECTION
   ========================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-600));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.skill-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-icon {
  width: 52px; height: 52px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  transition: background var(--transition);
}
.skill-card:hover .skill-icon { background: var(--blue-100); }
.skill-card h3 {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
  font-size: 1rem;
}
.skill-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ==========================================
   HOME - FEATURED BLOG SECTION
   ========================================== */
.featured-blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.blog-card-featured {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  cursor: pointer;
}
.blog-card-featured:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-card-body { padding: 1.5rem; }
.blog-card-tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--blue-50);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.blog-card-title {
  font-weight: 700;
  color: var(--navy);
  font-size: 1.05rem;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}
.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--gray-400);
}
.blog-card-date { margin-left: auto; }

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.about-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(37,99,235,0.3) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(59,130,246,0.2) 0%, transparent 50%);
}
.about-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}
.about-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.about-role {
  font-size: 1.1rem;
  color: var(--blue-300);
  font-style: italic;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.about-contact-line {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.about-contact-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--gray-400);
}
.about-contact-item a {
  color: var(--blue-300);
  transition: color var(--transition);
}
.about-contact-item a:hover { color: white; }
.about-photo-wrap {
  position: relative;
}
.about-photo {
  width: 200px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 3px solid rgba(255,255,255,0.2);
  box-shadow: var(--shadow-lg);
}
.about-photo-placeholder {
  width: 200px;
  height: 240px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border: 3px solid rgba(255,255,255,0.15);
  box-shadow: var(--shadow-lg);
}

/* CV layout */
.cv-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.cv-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  border-left: 4px solid var(--accent);
  padding-left: 0.75rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.timeline { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 3rem; }
.timeline-item {
  position: relative;
  padding-left: 1.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--blue-100);
}
.timeline-item::after {
  content: '';
  position: absolute;
  left: 4px; top: 22px;
  width: 2px;
  bottom: -1.5rem;
  background: var(--blue-100);
}
.timeline-item:last-child::after { display: none; }
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}
.timeline-org {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}
.timeline-date {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}
.timeline-role {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.timeline-location {
  font-size: 0.78rem;
  color: var(--gray-400);
}
.timeline-bullets {
  margin-top: 0.5rem;
  padding-left: 1rem;
  list-style: disc;
  color: var(--gray-600);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* CV Sidebar */
.cv-sidebar { display: flex; flex-direction: column; gap: 2rem; }
.cv-sidebar-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.cv-sidebar-card h3 {
  font-weight: 800;
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lang-row { display: flex; flex-direction: column; gap: 0.75rem; }
.lang-item { cursor: default; }
.lang-name-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.3rem;
}
.lang-level { font-size: 0.75rem; color: var(--gray-400); font-weight: 500; }
.lang-bar {
  height: 5px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
}
.lang-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-600));
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hobby-list { display: flex; flex-direction: column; gap: 0.5rem; }
.hobby-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-600);
}
.hobby-icon {
  width: 28px; height: 28px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}
.project-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--blue-200);
}
.project-card h4 {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.project-card p {
  font-size: 0.8rem;
  color: var(--gray-500);
}
.project-bullets {
  margin-top: 0.5rem;
  padding-left: 1rem;
  list-style: disc;
  color: var(--gray-500);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ==========================================
   BLOG PAGE
   ========================================== */
.blog-hero {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
  padding: 6rem 0 3rem;
}
.blog-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.blog-cat-btn {
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--gray-200);
  color: var(--gray-600);
  background: white;
  transition: all var(--transition);
  cursor: pointer;
}
.blog-cat-btn:hover, .blog-cat-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--blue-50);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.blog-article-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.blog-article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--blue-200);
}
.blog-article-img {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-article-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-article-title {
  font-weight: 700;
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.4;
  margin: 0.5rem 0;
  flex: 1;
}
.blog-article-excerpt {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
}
.read-more {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap var(--transition);
}
.read-more:hover { gap: 0.5rem; }

/* Blog Modal */
.blog-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}
.blog-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.blog-modal {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0,0,0,0.25);
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition);
}
.blog-modal-overlay.open .blog-modal {
  transform: scale(1) translateY(0);
}
.blog-modal-header {
  padding: 2rem 2rem 0;
}
.blog-modal-close {
  float: right;
  width: 36px; height: 36px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition);
  margin-left: 1rem;
}
.blog-modal-close:hover { background: var(--gray-200); color: var(--gray-800); }
.blog-modal-tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--blue-50);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.blog-modal-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--navy);
  clear: both;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.blog-modal-meta {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}
.blog-modal-body {
  padding: 0 2rem 2rem;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.8;
}
.blog-modal-body p { margin-bottom: 1rem; }
.blog-modal-body h3 {
  font-weight: 700;
  color: var(--navy);
  margin: 1.5rem 0 0.5rem;
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #162040 100%);
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 60%, rgba(37,99,235,0.25) 0%, transparent 60%),
    radial-gradient(circle at 70% 30%, rgba(59,130,246,0.15) 0%, transparent 50%);
}
.contact-hero-inner { position: relative; z-index: 1; }
.contact-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.contact-hero-sub {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact-grid-single {
  display: flex;
  justify-content: center;
}
.contact-info-wide {
  max-width: 540px;
  width: 100%;
}

.contact-info-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-md);
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.5rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-100);
}
.contact-item:last-of-type { border-bottom: none; }
.contact-icon {
  width: 44px; height: 44px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: background var(--transition);
}
.contact-item:hover .contact-icon { background: var(--blue-100); }
.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  margin-bottom: 0.15rem;
}
.contact-value {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--gray-700);
}
.contact-value a {
  color: var(--accent);
  transition: color var(--transition);
}
.contact-value a:hover { color: var(--blue-700); }

.contact-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-100);
}
.contact-social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 0.5rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--transition);
  cursor: pointer;
}
.contact-social-btn:hover {
  background: var(--blue-50);
  border-color: var(--blue-200);
  color: var(--accent);
  transform: translateY(-2px);
}

.contact-form-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-md);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.75rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 0.35rem;
}
input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}
input:focus, textarea:focus {
  border-color: var(--accent);
  background: white;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
textarea { resize: vertical; min-height: 130px; }
.form-submit {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}
.form-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  opacity: 0;
  transition: opacity var(--transition);
}
.form-submit:hover::after { opacity: 1; }
.form-submit span { position: relative; z-index: 1; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,99,235,0.4); }
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
}
.form-success.show { display: flex; }
.success-icon {
  width: 64px; height: 64px;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}
.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
}
.form-success p { font-size: 0.9rem; color: var(--gray-500); }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .cv-layout { grid-template-columns: 1fr; }
  .cv-sidebar { flex-direction: row; flex-wrap: wrap; }
  .cv-sidebar-card { flex: 1 1 240px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 5rem 1.5rem 3rem;
    gap: 3rem;
  }
  .hero-subtitle { margin: 1.5rem auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image-card { width: 280px; margin: 0 auto; }
  .hero-badge { display: none; }
  
  .skills-grid { grid-template-columns: 1fr; }
  .featured-blog-grid { grid-template-columns: 1fr; }
  
  .about-hero-inner { grid-template-columns: 1fr; }
  .about-photo-wrap { display: none; }
  
  .projects-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  
  .section { padding: 3.5rem 0; }
  .section-title { font-size: 1.75rem; }
  
  .cv-sidebar { flex-direction: column; }
  .cv-sidebar-card { flex: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-title { font-size: 2.4rem; }
  .blog-grid { grid-template-columns: 1fr; }
}