/*
Theme Name: Yusuf Altun - Ultra Modern Portfolio
Theme URI: https://altunyusuf.com.tr
Author: Yusuf Altun & Antigravity
Author URI: https://altunyusuf.com.tr
Description: Özel olarak tasarlanmış, ultra modern, karanlık mod ve glassmorphism detaylarına sahip yüksek performanslı kişisel portfolyo teması.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: yusufaltun
*/

:root {
  --bg-dark: #07090e;
  --bg-darker: #040508;
  --bg-card: rgba(16, 20, 32, 0.7);
  --bg-card-hover: rgba(22, 28, 48, 0.9);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.4);
  
  --primary: #10b981;
  --primary-glow: #059669;
  --primary-light: #34d399;
  --accent: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --gradient-brand: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #6366f1 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Space Grotesk', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient glow backgrounds */
body::before, body::after {
  content: '';
  position: fixed;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(150px);
  opacity: 0.14;
}

body::before {
  background: var(--primary);
  top: -150px;
  right: -100px;
}

body::after {
  background: var(--accent);
  bottom: -150px;
  left: -100px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #ffffff;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navbar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(7, 9, 14, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 12px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: #fff;
  letter-spacing: -0.03em;
}

.logo-badge {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #07090e;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.brand-text span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-brand);
  color: #07090e;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.35);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.55);
  color: #000;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--border-glass);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  color: #fff;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 8px 18px;
  border-radius: 50px;
  color: var(--primary-light);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.6rem;
  line-height: 1.12;
  margin-bottom: 22px;
  font-weight: 800;
}

.hero-title .gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
}

.stat-item h3 {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-mono);
}

.stat-item h3 span {
  color: var(--primary);
}

.stat-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* Hero Avatar / Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  padding: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  transition: var(--transition);
}

.avatar-card:hover {
  border-color: rgba(16, 185, 129, 0.4);
  transform: translateY(-6px);
}

.avatar-inner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: #111420;
}

.avatar-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.avatar-card:hover .avatar-img {
  transform: scale(1.03);
}

.floating-badge {
  position: absolute;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: rgba(16, 20, 32, 0.9);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.badge-top-right {
  top: 25px;
  right: -20px;
}

.badge-bottom-left {
  bottom: 30px;
  left: -20px;
  animation-delay: 2s;
}

@keyframes floatAnim {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

.badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.badge-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.badge-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

/* Section Common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-subtitle {
  display: inline-block;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.6rem;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(16, 185, 129, 0.35);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 58px;
  height: 58px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: #07090e;
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.service-features {
  list-style: none;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li i {
  color: var(--primary-light);
  font-size: 0.75rem;
}

/* ==========================================================================
   ADVANCED TECH STACK ARSENAL (CATEGORIZED MATRIX)
   ========================================================================== */
.tech-stack-container {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.tech-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  backdrop-filter: blur(16px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tech-category-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.tech-cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
  gap: 12px;
}

.tech-cat-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tech-cat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.tech-cat-icon.backend { background: rgba(119, 123, 180, 0.15); color: #8b8fb9; border: 1px solid rgba(119, 123, 180, 0.3); }
.tech-cat-icon.frontend { background: rgba(6, 182, 212, 0.15); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.tech-cat-icon.cms { background: rgba(33, 117, 155, 0.15); color: #38bdf8; border: 1px solid rgba(33, 117, 155, 0.3); }
.tech-cat-icon.database { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.tech-cat-icon.devops { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }

.tech-cat-title h3 {
  font-size: 1.35rem;
  margin: 0;
}

.tech-cat-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tech-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.tech-box {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: var(--transition);
}

.tech-box:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(16, 185, 129, 0.35);
  transform: translateY(-3px);
}

.tech-box-icon {
  font-size: 1.8rem;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-box-info {
  flex: 1;
}

.tech-box-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2px;
}

.tech-box-role {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.tech-box-tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-light);
  font-family: var(--font-mono);
}

/* Portfolio / Projects */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.project-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #151928;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumb img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(7, 9, 14, 0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.project-tag {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.project-body {
  padding: 24px;
}

.project-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.project-card:hover .project-title {
  color: var(--primary);
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.project-tech {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
}

/* FAQ Accordion */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(16, 185, 129, 0.3);
}

.faq-question {
  padding: 22px 26px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question i {
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 26px 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  backdrop-filter: blur(20px);
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.info-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateX(5px);
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.info-item h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.info-item p {
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
  margin: 2px 0 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  background: rgba(7, 9, 14, 0.75);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 50px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex-wrap: wrap;
  gap: 24px;
}

.footer-socials {
  display: flex;
  gap: 14px;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--primary);
  color: #07090e;
  border-color: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  color: var(--text-subtle);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .tech-items-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .tech-category-card {
    padding: 24px 18px;
  }
  .tech-items-grid {
    grid-template-columns: 1fr;
  }
}