/* 
Modern Portfolio CSS - Bouarfa LAHMAR
Mobile-first responsive design with dark theme and modern animations
*/

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-primary: #00d4aa;
  --color-primary-dark: #00b894;
  --color-primary-light: #00e6b8;
  --color-secondary: #ff6b6b;
  --color-accent: #ffa500;
  
  /* Dark Theme Colors */
  --color-bg: #0a0e27;
  --color-bg-alt: #1a1e35;
  --color-bg-section: #141729;
  --color-surface: #1e2442;
  --color-surface-light: #252a47;
  
  /* Text Colors */
  --color-text: #ffffff;
  --color-text-light: #b8c6db;
  --color-text-lighter: #8892b0;
  --color-text-dark: #64748b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-bg: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 4rem;
  --section-padding: 4rem 0;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 900px;
  --breakpoint-lg: 1200px;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--gradient-bg);
  overflow-x: hidden;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-compact {
  padding: 1.5rem 0;
  position: relative;
}

/* Projects page specific styles */
.projects-header {
  margin-top: var(--header-height);
  padding-bottom: 1rem;
}

.all-projects {
  padding-top: 0;
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--space-3xl);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.5);
  }
}

/* Animation classes */
.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-in-left {
  animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-in-right {
  animation: fadeInRight 0.6s ease-out forwards;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn--small {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
}

.btn__icon::after {
  content: '→';
  transition: transform var(--transition-base);
}

.btn:hover .btn__icon::after {
  transform: translateX(4px);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.header.blur {
  background: rgba(10, 14, 39, 0.98);
  backdrop-filter: blur(20px);
}

.nav {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__brand {
  font-weight: var(--font-weight-bold);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
}

.nav__logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav__link {
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  position: relative;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--color-primary);
}

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

.nav__toggle,
.nav__close {
  display: none;
}

/* Mobile Navigation */
@media screen and (max-width: 899px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-alt);
    backdrop-filter: blur(20px);
    padding: var(--space-4xl) var(--space-xl);
    transition: right var(--transition-base);
  }

  .nav__menu.show-menu {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .nav__close {
    display: block;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 32px;
    height: 32px;
    cursor: pointer;
  }

  .nav__close-icon::before,
  .nav__close-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .nav__close-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--space-sm);
  }

  .nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

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

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

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero__particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 165, 0, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

.hero__pattern {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.hero__container {
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-4xl);
  z-index: 1;
}

.hero__content {
  text-align: center;
  display: flex;
  flex-direction: column;
}

.hero__intro {
  margin-bottom: var(--space-lg);
  order: 1;
}

.hero__greeting {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.8s ease-out;
}

.hero__name {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  animation: fadeInUp 0.8s ease-out 0.2s both;
  white-space: nowrap;
}

.hero__role {
  display: block;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: 0;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__description {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease-out 0.6s both;
  order: 3;
}

.hero__social {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease-out 0.8s both;
  order: 4;
}

.hero__social-link {
  width: 50px;
  height: 50px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition-base);
  text-decoration: none;
}

.hero__social-link:hover {
  background: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.hero__social-link svg {
  width: 24px;
  height: 24px;
}

.hero__buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 1s both;
  order: 5;
}

.hero__image {
  display: flex;
  justify-content: center;
  animation: fadeInUp 1s ease-out 1s both;
}

/* Mobile image - shows after intro but before description */
.hero__image--mobile {
  order: 2;
  margin: var(--space-xl) 0;
}

/* Desktop image - hidden on mobile */
.hero__image--desktop {
  display: none;
}

.hero__blob {
  position: relative;
  width: 200px;
  height: 200px;
}

.hero__blob svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: float 6s ease-in-out infinite;
}

.hero__img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 3px solid var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-light);
  animation: fadeInUp 1s ease-out 1.2s both;
}

.hero__scroll-text {
  font-size: var(--font-size-sm);
  writing-mode: vertical-lr;
  text-orientation: mixed;
}

.hero__scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--color-primary);
  position: relative;
  animation: float 2s ease-in-out infinite;
}

.hero__scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 8px solid var(--color-primary);
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--color-bg-section);
}

.about__container {
  grid-template-columns: 1fr;
  text-align: center;
}

.about__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

.about__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.about__stat {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-base);
}

.about__stat:hover {
  transform: translateY(-5px);
}

.about__stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.about__stat-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== SKILLS SECTION ===== */
.skills__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-md) 0;
}

.skill__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 500px;
}

.skill__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.1), transparent);
  transition: left 0.6s;
}

.skill__card:hover::before {
  left: 100%;
}

.skill__card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

.skill__card-header {
  padding: var(--space-xl);
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.05), rgba(255, 165, 0, 0.05));
}

.skill__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.skill__icon svg {
  width: 30px;
  height: 30px;
}

.skill__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
}

.skill__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.skill__content {
  flex: 1;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skill__subcard {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.skill__subcard:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-2px);
}

.skill__subcard h4 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0 0 var(--space-sm) 0;
}

.skill__subcard p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Remove old styles */
.skill__category {
  margin-bottom: var(--space-xl);
}

.skill__category:last-child {
  margin-bottom: 0;
}

.skill__category h4 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.skill__category h4::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.skill__category ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill__category li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  position: relative;
  padding-left: var(--space-lg);
}

.skill__category li:last-child {
  border-bottom: none;
}

.skill__category li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  transition: all var(--transition-base);
}

.skill__category li:hover {
  color: var(--color-text);
  padding-left: var(--space-xl);
}

.skill__category li:hover::before {
  color: var(--color-accent);
  transform: translateX(var(--space-xs));
}

/* Mobile responsiveness for skills cards */
@media screen and (max-width: 768px) {
  .skills__cards {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .skill__card {
    min-height: 450px;
  }
  
  .skill__card-header {
    padding: var(--space-lg);
  }
  
  .skill__icon {
    width: 50px;
    height: 50px;
  }
  
  .skill__icon svg {
    width: 25px;
    height: 25px;
  }
  
  .skill__title {
    font-size: var(--font-size-md);
  }
  
  .skill__content {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .skill__subcard {
    padding: var(--space-md);
  }
}

/* ===== EXPERIENCE SECTION ===== */
.experience {
  background: var(--color-bg-section);
}

.experience__container {
  max-width: 800px;
  margin: 0 auto;
}

.experience__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.experience__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

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

.experience__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.experience__logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: white;
  padding: var(--space-sm);
  flex-shrink: 0;
}

.experience__info h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.experience__company {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.experience__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--space-xs);
}

.experience__location {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

.experience__description {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.experience__description li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.7;
}

.experience__description li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.experience__skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.experience__skill {
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* ===== PROJECTS SECTION ===== */
.projects__container {
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.project__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
}

.project__card:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: var(--shadow-2xl);
}

.project__image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.project__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project__card:hover .project__image img {
  transform: scale(1.1);
}

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

.project__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.project__description {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.project__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.project__tag {
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-mono);
}

.project__buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.projects__view-all {
  text-align: center;
  margin-top: var(--space-4xl);
}

.projects__view-all .btn {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--mb-7) 0;
}

.testimonials__slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
    background: var(--container-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.testimonials__wrapper {
    position: relative;
    width: 100%;
    height: 400px;
}

.testimonials__track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
    width: 600%; /* 6 slides */
}

.testimonials__slide {
    flex: 0 0 16.666%; /* 1/6 of the track width */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--mb-2);
}

.testimonial {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.testimonials__navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.testimonials__nav-btn {
    width: 48px;
    height: 48px;
    background: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-base);
}

.testimonials__nav-btn:hover {
    background: var(--color-primary);
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.testimonials__nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.testimonials__nav-btn svg {
    width: 24px;
    height: 24px;
}

.testimonials__indicators {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.testimonials__indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-base);
}

.testimonials__indicator.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

.testimonials__indicator:hover {
    background: var(--color-primary-light);
}

/* Mobile responsiveness for testimonials */
@media screen and (max-width: 768px) {
    .testimonials__wrapper {
        height: 300px;
    }
    
    .testimonials__slide {
        padding: var(--mb-1);
    }
    
    .testimonials__navigation {
        gap: var(--space-lg);
        margin-top: var(--space-xl);
    }
    
    .testimonials__nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .testimonials__nav-btn svg {
        width: 20px;
        height: 20px;
    }
}

@media screen and (max-width: 568px) {
    .testimonials__wrapper {
        height: 250px;
    }
    
    .testimonials__navigation {
        gap: var(--space-md);
    }
    
    .testimonials__indicator {
        width: 10px;
        height: 10px;
    }
}

/* ===== CERTIFICATIONS SECTION ===== */
.certifications {
  background: var(--color-bg-section);
}

.certifications__slider {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.certifications__wrapper {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.certifications__track {
  display: flex;
  transition: transform 0.4s ease-in-out;
  will-change: transform;
}

.certifications__slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  padding: 0 var(--space-sm);
}

.cert__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.cert__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.cert__header {
  margin-bottom: var(--space-lg);
}

.cert__info {
  flex: 1;
}

.cert__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.cert__issuer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
}

.cert__logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.cert__actions {
  margin-top: var(--space-lg);
}

.cert__credential {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  border: none;
  color: var(--color-text);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  width: 100%;
  justify-content: center;
}

.cert__credential:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cert__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Navigation Controls */
.certifications__navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.cert__nav-btn {
  width: 48px;
  height: 48px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-base);
}

.cert__nav-btn:hover {
  background: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cert__nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.cert__nav-btn svg {
  width: 24px;
  height: 24px;
}

.cert__indicators {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.cert__indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-base);
}

.cert__indicator.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.cert__indicator:hover {
  background: var(--color-primary-light);
}

/* Mobile responsiveness for certifications */
@media screen and (max-width: 768px) {
  .certifications__slide {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: 0;
  }
  
  .cert__title {
    font-size: var(--font-size-base);
  }
  
  .certifications__navigation {
    gap: var(--space-lg);
    margin-top: var(--space-xl);
  }
  
  .cert__nav-btn {
    width: 40px;
    height: 40px;
  }
  
  .cert__nav-btn svg {
    width: 20px;
    height: 20px;
  }
}

@media screen and (max-width: 480px) {
  .cert__card {
    padding: var(--space-lg);
  }
  
  .certifications__navigation {
    gap: var(--space-md);
  }
  
  .cert__indicator {
    width: 10px;
    height: 10px;
  }
}

/* ===== EDUCATION SECTION ===== */
.education__container {
  max-width: 800px;
  margin: 0 auto;
}

.education__timeline {
  position: relative;
}

.education__timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
}

.education__item {
  position: relative;
  margin-bottom: var(--space-3xl);
}

.education__marker {
  position: absolute;
  left: 22px;
  top: 20px;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 4px solid var(--color-bg);
  z-index: 1;
}

.education__content {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-left: 80px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

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

.education__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.education__logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: white;
  padding: var(--space-sm);
  flex-shrink: 0;
}

.education__company-logo {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.education__company-logo span {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.education__degree {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.education__school {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.education__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--space-xs);
}

.education__location {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

.education__description {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== LANGUAGES SECTION ===== */
.languages {
  background: var(--color-bg-section);
}

.languages__container {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.language__item {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

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

.language__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.language__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.language__level {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.language__bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.language__progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  width: 0;
  transition: width 1s ease-out 0.5s;
}

/* ===== CONTACT SECTION ===== */
.contact__container {
  grid-template-columns: 1fr;
  gap: var(--space-4xl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact__info {
  display: grid;
  gap: var(--space-xl);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

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

.contact__icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  flex-shrink: 0;
}

.contact__icon svg {
  width: 24px;
  height: 24px;
}

.contact__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.contact__data {
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
}

.contact__social {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  justify-content: center;
}

.contact__social-link {
  width: 50px;
  height: 50px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition-base);
}

.contact__social-link:hover {
  background: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-5px);
}

.contact__social-link svg {
  width: 24px;
  height: 24px;
}

.contact__form {
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact__form-group {
  margin-bottom: var(--space-xl);
}

.contact__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.contact__input {
  width: 100%;
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.contact__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.contact__textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__button {
  width: 100%;
  justify-content: center;
}

.contact__map {
  margin-top: var(--space-2xl);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 300px;
}

.contact__map-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.contact__map:hover .contact__map-image {
  transform: scale(1.05);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-alt);
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__container {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.footer__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.footer__description {
  color: var(--color-text-light);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.footer__link {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__social {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-3px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__copy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  color: var(--color-text-lighter);
  font-size: var(--font-size-sm);
}

.footer__cv {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
}

.footer__cv:hover {
  color: var(--color-primary-light);
}

.footer__back {
  text-align: center;
  margin: var(--space-2xl) 0 var(--space-xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: var(--z-modal);
}

.toast.show {
  transform: translateX(0);
}

.toast__content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.toast__icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.toast__message {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (min-width: 640px) {
  .hero__buttons {
    justify-content: center;
  }
  
  .projects__container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact__container {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__copy {
    justify-content: space-between;
  }
}

@media screen and (min-width: 900px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    align-items: center;
  }
  
  .hero__content {
    text-align: left;
  }
  
  .hero__buttons {
    justify-content: flex-start;
  }
  
  .hero__social {
    justify-content: flex-start;
  }
  
  .hero__name {
    font-size: var(--font-size-5xl);
  }
  
  /* Hide mobile image on desktop */
  .hero__image--mobile {
    display: none;
  }
  
  /* Show desktop image */
  .hero__image--desktop {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  /* Larger image for desktop */
  .hero__image--desktop .hero__blob {
    width: 300px;
    height: 300px;
  }
  
  .hero__image--desktop .hero__img {
    width: 250px;
    height: 250px;
    border: 4px solid var(--color-primary);
  }
  
  .projects__container {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .about__container {
    text-align: left;
  }
  
  .experience__header {
    flex-direction: row;
  }
  
  .experience__logo {
    order: -1;
  }
  
  .education__content {
    margin-left: 60px;
  }
  
  .education__timeline::before {
    left: 20px;
  }
  
  .education__marker {
    left: 12px;
  }
}

@media screen and (min-width: 1200px) {
  .container {
    padding: 0 var(--space-2xl);
  }
  
  .hero__name {
    font-size: var(--font-size-6xl);
  }
  
  .section__title {
    font-size: var(--font-size-4xl);
  }
  
  .projects__container {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .header,
  .hero__scroll,
  .toast {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  .section {
    padding: 2rem 0;
    break-inside: avoid;
  }
  
  .project__card,
  .experience__card,
  .cert__card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}