/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Variables */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --accent: #3182ce;
  --accent-hover: #2c5aa0;
  --gradient-primary: linear-gradient(135deg, #3182ce, #805ad5);
  --gradient-secondary: linear-gradient(135deg, #805ad5, #3182ce);
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Touch optimalizace */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

/* Smooth scrolling pro všechna zařízení */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --gradient-primary: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-secondary: linear-gradient(135deg, #8b5cf6, #06b6d4);
  --border: #334155;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  overflow-x: hidden; /* Zajišťuje, že se nebude posouvat horizontálně */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Loading */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: var(--transition);
}

.loading.hidden {
  opacity: 0;
  visibility: hidden;
}

[data-theme="dark"] .loading {
  background: rgba(15, 23, 42, 0.9);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
  padding: 0.5rem 0;
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
  padding: 0.5rem 0;
}

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

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

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Language Selector */
.language-selector {
  position: relative;
  display: inline-block;
}

.language-toggle {
  background: none;
  border: 2px solid var(--border);
  color: var(--text-primary);
  height: 40px;
  padding: 0 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 70px;
}

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

.language-toggle i {
  font-size: 1rem;
}

.current-lang {
  font-weight: 600;
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
  overflow: hidden;
}

.language-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}

.language-option:last-child {
  border-bottom: none;
}

.language-option:hover {
  background: var(--bg-secondary);
  color: var(--accent);
}

.language-option.active {
  background: var(--accent);
  color: white;
}

.language-option.active:hover {
  background: var(--accent-hover);
}

.language-option .flag {
  font-size: 1.25rem;
}

.language-option span:last-child {
  font-weight: 500;
}

.theme-toggle {
  background: none;
  border: 2px solid var(--border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(180deg);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.1;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 20%;
  left: 10%;
  animation: float 15s ease-in-out infinite;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: #8b5cf6;
  bottom: 20%;
  right: 10%;
  animation: float 20s ease-in-out infinite reverse;
}

.shape-3 {
  width: 150px;
  height: 150px;
  background: #10b981;
  top: 60%;
  left: 30%;
  animation: float 18s ease-in-out infinite 2s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(20px, -20px) rotate(5deg);
  }
  50% {
    transform: translate(0, 30px) rotate(0deg);
  }
  75% {
    transform: translate(-20px, -10px) rotate(-5deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.hero-image {
  position: relative;
}

.profile-card {
  background: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.profile-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.profile-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-primary);
}

.profile-icon {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2.5rem;
  color: white;
  box-shadow: 0 10px 20px rgba(6, 182, 212, 0.3);
}

.profile-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.profile-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.8);
  }
}

/* Sections */
section {
  padding: 120px 0;
  position: relative;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* About - Clean Minimal Design */
.about {
  background: var(--bg-secondary);
  padding: 120px 0;
  position: relative;
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.about-intro {
  text-align: center;
  background: var(--bg-primary);
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  position: relative;
}

.about-intro p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

.about-intro strong {
  color: var(--text-primary);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.experience-item {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.experience-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.experience-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.25);
}

.experience-item h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.experience-item p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  font-size: 1rem;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.info-item {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition);
}

.info-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.info-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 8px 16px rgba(6, 182, 212, 0.3);
}

.info-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.info-text p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.95rem;
}

/* Responsive Design - Completely Rewritten for Better Mobile Experience */
@media (max-width: 1200px) {
  .container {
    padding: 0 2rem;
  }

  .nav-container {
    padding: 0 2rem;
  }

  .hero-content {
    gap: 3rem;
  }

  .experience-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  /* Hero adjustments */
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-text h1 {
    font-size: 3.5rem;
  }

  /* About section */
  .about-content {
    gap: 3rem;
  }

  .experience-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .quick-info {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  /* Contact */
  .contact-content {
    grid-template-columns: 1fr; /* Changed from 1fr 1fr to 1fr */
    gap: 3rem;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: 1rem;
  }

  /* Skills and Projects */
  .skills-grid,
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  /* Base spacing improvements */
  section {
    padding: 100px 0;
  }

  .container {
    padding: 0 1.5rem;
  }

  /* Navigation - OPRAVA pro mobilní zařízení */
  .nav-container {
    padding: 0 1rem; /* Menší padding pro více místa */
    justify-content: space-between; /* Zarovnání na okraje */
    gap: 0.5rem; /* Menší mezera mezi logo a controls */
  }

  .logo {
    flex-shrink: 0; /* Zabraňuje zmenšování loga */
  }

  /* Navigation - OPRAVA pro mobilní zařízení */
  .nav-controls {
    gap: 0.75rem; /* Adjusted gap for better spacing */
    margin-left: 0;
    margin-right: 0;
  }

  .hamburger {
    display: flex;
    order: 3; /* Hamburger jako poslední */
  }

  .language-selector {
    order: 1; /* Jazyk jako první */
  }

  .theme-toggle {
    order: 2; /* Téma jako druhé */
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 0.75rem 0;
  }

  /* Hero section */
  .hero {
    padding: 120px 0 80px;
    min-height: 100vh;
  }

  .hero-text h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.05rem;
  }

  /* Section titles */
  .section-title {
    font-size: 2.75rem;
    margin-bottom: 3.5rem;
  }

  /* About section mobile improvements */
  .about {
    padding: 100px 0;
  }

  .about-content {
    gap: 3rem;
  }

  .about-intro {
    padding: 2.5rem;
    margin: 0; /* Odstranění negativních marginů */
  }

  .about-intro p {
    font-size: 1.15rem;
    line-height: 1.7;
  }

  .experience-table {
    padding: 2rem;
  }

  .experience-item {
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem 0;
    text-align: center;
  }

  .experience-item:hover {
    transform: none;
    padding-left: 0;
    background: var(--bg-secondary);
  }

  .experience-number {
    font-size: 2.5rem;
    min-width: auto;
    align-self: center;
  }

  .experience-icon {
    margin: 0 auto 1rem;
  }

  .quick-info {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 0; /* Odstranění negativních marginů */
  }

  .info-item {
    padding: 1.75rem;
    gap: 1.25rem;
  }

  .info-icon {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
  }

  .info-text h4 {
    font-size: 1.05rem;
  }

  .info-text p {
    font-size: 0.95rem;
  }

  /* Skills section */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .skill-card {
    padding: 2.5rem;
    margin: 0; /* Odstranění negativních marginů */
  }

  .skill-header {
    gap: 1.25rem;
    margin-bottom: 1.5rem;
  }

  .skill-header i {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
  }

  .skill-header h3 {
    font-size: 1.4rem;
  }

  .skill-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
  }

  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .skill-tags span {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  /* Projects section */
  .projects {
    padding: 100px 0;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-card {
    padding: 2.5rem;
    margin: 0; /* Odstranění negativních marginů */
  }

  .project-header {
    margin-bottom: 1.5rem;
  }

  .project-icon {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
  }

  .project-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
  }

  .project-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
  }

  .project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .project-tech span {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  /* Contact section - OPRAVA pro mobilní zařízení */
  .contact-content {
    grid-template-columns: 1fr; /* One column on mobile */
    gap: 3rem;
  }

  /* Add new section for contact form */
  .contact-form-section {
    padding: 80px 0; /* Add padding to the new section */
    background: var(--bg-primary); /* Match background of skills/certifications */
  }

  .contact-form-section .container {
    max-width: 700px; /* Constrain width for better form appearance */
    margin: 0 auto;
  }

  .contact-form {
    padding: 2.5rem; /* Ensure sufficient padding */
    margin: 0;
  }

  .contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 1.1rem 1.25rem;
    font-size: 1.05rem;
  }

  /* Language dropdown adjustments */
  .language-dropdown {
    right: auto;
    left: 0;
    min-width: 170px;
  }

  .language-toggle {
    min-width: 65px;
    padding: 0 0.6rem; /* Adjusted padding */
  }

  .current-lang {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  /* Navigation controls */
  .nav-controls {
    gap: 0.5rem; /* Further reduced gap for smaller screens */
  }

  .theme-toggle,
  .language-toggle {
    width: 38px;
    height: 38px;
    font-size: 0.9rem;
  }

  .language-toggle {
    min-width: 60px;
    padding: 0 0.5rem;
  }

  /* Contact */
  .contact-form-section {
    padding: 60px 0; /* Reduce padding for smaller screens */
  }

  .contact-form {
    padding: 2rem; /* Adjusted padding */
    margin: 0;
  }

  .contact-form h3 {
    font-size: 1.6rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 1rem 1.1rem; /* Adjusted padding */
    font-size: 1rem;
  }
}

@media (max-width: 360px) {
  /* Navigation controls */
  .nav-controls {
    gap: 0.5rem;
  }

  .theme-toggle,
  .language-toggle {
    width: 35px;
    height: 35px;
  }

  .language-toggle {
    min-width: 55px;
  }

  /* Contact */
  .contact-form-section {
    padding: 40px 0; /* Further reduce padding for very small screens */
  }

  .contact-form {
    padding: 1.5rem;
  }
}

@media (max-width: 360px) {
  /* Very small devices */
  .container {
    padding: 0 0.75rem;
  }

  .nav-container {
    padding: 0 0.75rem;
  }

  .hero-text h1 {
    font-size: 2.25rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-intro,
  .experience-item,
  .info-item,
  .skill-card,
  .project-card,
  .contact-form {
    padding: 1.5rem;
  }

  .nav-controls {
    gap: 0.5rem;
  }

  .theme-toggle,
  .language-toggle {
    width: 35px;
    height: 35px;
  }

  .language-toggle {
    min-width: 55px;
  }

  /* 21:9 aspect ratio phones (like Samsung Galaxy S21 Ultra, etc.) */
}

@media screen and (max-width: 480px) and (min-aspect-ratio: 2 / 1) {
  .hero {
    min-height: 100vh;
    padding: 100px 0 80px;
  }

  .hero-content {
    gap: 2.5rem;
  }

  .hero-text h1 {
    font-size: 2.75rem;
    line-height: 1.1;
  }

  .hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2.25rem;
  }

  section {
    padding: 90px 0;
  }

  .about-content {
    gap: 2.75rem;
  }

  .experience-grid {
    gap: 1.25rem;
  }

  .quick-info {
    gap: 1.25rem;
  }
}

/* Landscape orientation on mobile */
@media screen and (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: 80px 0 60px;
  }

  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    text-align: left;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: row;
    justify-content: flex-start;
    gap: 1rem;
  }

  .btn {
    width: auto;
    max-width: none;
  }

  section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 2.5rem;
  }
}

/* Touch optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn:hover,
  .skill-card:hover,
  .project-card:hover,
  .experience-item:hover,
  .info-item:hover,
  .contact-method:hover {
    transform: none;
  }

  .btn:active {
    transform: scale(0.98);
  }

  .skill-card:active,
  .project-card:active,
  .experience-item:active,
  .info-item:active {
    transform: scale(0.98);
  }
}

/* Improved focus states for accessibility */
.btn:focus,
.nav-link:focus,
.theme-toggle:focus,
.language-toggle:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Better text selection */
::selection {
  background: var(--accent);
  color: white;
}

::-moz-selection {
  background: var(--accent);
  color: white;
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.skill-card {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.skill-card:hover::before {
  width: 100%;
  opacity: 0.05;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.skill-header i {
  color: white;
  font-size: 1.5rem;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.skill-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.skill-tags span {
  background: var(--bg-secondary);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.skill-tags span:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.current-work {
  background: var(--bg-secondary);
  padding: 1.25rem;
  border-radius: 1rem;
  border-left: 4px solid var(--accent);
  font-size: 1rem;
  color: var(--text-secondary);
}

.current-work strong {
  color: var(--accent);
}

/* Projects */
.projects {
  background: var(--bg-secondary);
  padding: 120px 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-card:hover::before {
  height: 100%;
  opacity: 0.05;
}

.project-card.featured {
  border-color: var(--accent);
  border-width: 2px;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 10px 15px rgba(6, 182, 212, 0.3);
}

.project-status {
  background: var(--bg-secondary);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.project-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.project-tech span {
  background: var(--bg-secondary);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-btn {
  padding: 0.75rem 1.25rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.project-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* Certifications */
.certifications {
  background: var(--bg-primary);
  padding: 120px 0;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.certification-card {
  background: var(--bg-secondary);
  padding: 1.25rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.certification-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.certification-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.certification-card:hover::before {
  height: 100%;
  opacity: 0.05;
}

.certification-header {
  display: flex;
  justify-content: flex-end;
}

.certification-status {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.status-badge {
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.completed {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.status-badge.in-progress {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.certification-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.certification-provider {
  margin-bottom: 1rem;
}

.certification-provider span {
  background: var(--accent);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.certification-details {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.cert-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cert-detail i {
  color: var(--accent);
  width: 16px;
}

.certification-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.certification-skills span {
  background: var(--bg-primary);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.certification-skills span:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

/* Responsive adjustments for certifications */
@media (max-width: 768px) {
  .certifications {
    padding: 100px 0;
  }

  .certifications-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .certification-card {
    padding: 1.25rem;
  }

  .certification-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .certification-details {
    gap: 1.5rem;
  }

  .cert-detail {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .certification-card {
    padding: 1rem;
  }

  .certification-card h3 {
    font-size: 1.3rem;
  }

  .certification-details {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Contact - Completely Rewritten */
.contact-gray {
  background: var(--bg-secondary);
  padding: 120px 0;
}

.contact-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.contact-info h3 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 4rem;
  font-size: 1.3rem;
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact Methods Grid - New Approach */
.contact-methods {
  display: grid;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

/* Desktop: 2 columns */
@media (min-width: 768px) {
  .contact-methods {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Large Desktop: Still 2 columns but wider */
@media (min-width: 1200px) {
  .contact-methods {
    gap: 3rem;
    max-width: 1100px;
  }
}

/* Mobile: 1 column */
@media (max-width: 767px) {
  .contact-methods {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Contact Method Cards */
.contact-method {
  background: var(--bg-primary);
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  text-align: left;
}

/* Desktop Layout: Icon left, text right */
@media (min-width: 768px) {
  .contact-method {
    padding: 2.5rem;
    gap: 2rem;
    min-height: 140px;
  }
}

/* Large Desktop: Even more space */
@media (min-width: 1200px) {
  .contact-method {
    padding: 3rem;
    gap: 2.5rem;
    min-height: 160px;
  }
}

/* Mobile Layout: Icon top, text bottom */
@media (max-width: 767px) {
  .contact-method {
    padding: 2rem;
    gap: 1.5rem;
    flex-direction: column;
    text-align: center;
    min-height: 160px;
  }
}

/* Hover Effects */
.contact-method::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s;
}

.contact-method:hover::before {
  left: 100%;
}

.contact-method:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

/* Contact Icons */
.contact-icon {
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

/* Desktop Icon Sizes */
@media (min-width: 768px) {
  .contact-icon {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }
}

/* Large Desktop Icon Sizes */
@media (min-width: 1200px) {
  .contact-icon {
    width: 90px;
    height: 90px;
    font-size: 2.2rem;
  }
}

/* Mobile Icon Sizes */
@media (max-width: 767px) {
  .contact-icon {
    width: 75px;
    height: 75px;
    font-size: 1.8rem;
  }
}

.contact-icon:hover {
  transform: scale(1.1);
}

/* Icon Colors */
.contact-method:nth-child(1) .contact-icon {
  background: linear-gradient(135deg, #ff6b6b, #ee5a52);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.contact-method:nth-child(2) .contact-icon {
  background: linear-gradient(135deg, #4ecdc4, #44a08d);
  box-shadow: 0 8px 25px rgba(78, 205, 196, 0.3);
}

.contact-method:nth-child(3) .contact-icon {
  background: linear-gradient(135deg, #45b7d1, #96c93d);
  box-shadow: 0 8px 25px rgba(69, 183, 209, 0.3);
}

.contact-method:nth-child(4) .contact-icon {
  background: linear-gradient(135deg, #f093fb, #f5576c);
  box-shadow: 0 8px 25px rgba(240, 147, 251, 0.3);
}

.contact-method:nth-child(5) .contact-icon {
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

/* Contact Text */
.contact-method div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-method h4 {
  margin: 0;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  z-index: 2;
}

.contact-method p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
  position: relative;
  z-index: 2;
  word-break: break-word;
  font-weight: 500;
}

/* Desktop Text Sizes */
@media (min-width: 768px) {
  .contact-method h4 {
    font-size: 1.3rem;
  }

  .contact-method p {
    font-size: 1rem;
  }
}

/* Large Desktop Text Sizes */
@media (min-width: 1200px) {
  .contact-method h4 {
    font-size: 1.4rem;
  }

  .contact-method p {
    font-size: 1.1rem;
  }
}

/* Mobile Text Sizes */
@media (max-width: 767px) {
  .contact-method h4 {
    font-size: 1.2rem;
  }

  .contact-method p {
    font-size: 1rem;
  }
}

/* Contact Form Section */
.contact-form-section {
  background: var(--bg-primary);
  padding: 80px 0;
}

.contact-form {
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  max-width: 700px;
  margin: 0 auto;
}

.contact-form:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.contact-form h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Mobile Form Adjustments */
@media (max-width: 768px) {
  .contact-gray {
    padding: 80px 0;
  }

  .contact-info h3 {
    font-size: 2.2rem;
  }

  .contact-info p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
  }

  .contact-form-section {
    padding: 60px 0;
  }

  .contact-form {
    padding: 2rem;
  }

  .contact-form h3 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .contact-form {
    padding: 1.5rem;
  }

  .contact-form h3 {
    font-size: 1.6rem;
  }
}

/* Footer */
.footer {
  background: var(--bg-primary);
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer p {
  color: var(--text-secondary);
}