/*
  ================================================================================
  YOUSSEF FATHY SAMIR - PORTFOLIO STYLESHEET
  ================================================================================
  
  Dark-themed, modern design using CSS Variables for easy customization.
  
  COLOR SYSTEM:
  - Primary: Cyan/Teal accent color (#06b6d4)
  - Background: Dark navy/charcoal
  - Text: Light gray (high contrast for readability)
  - Borders: Subtle grays
  
  TO CUSTOMIZE COLORS:
  1. Find the :root { } section below
  2. Update the --color-* variables
  3. The entire site will update automatically
  
  ================================================================================
*/

@import "tailwindcss";

/* Animations for improved motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* CSS Variables - Theme Configuration */
:root {
  /* Colors */
  --color-primary: #06b6d4;
  --color-primary-hover: #0891b2;
  --color-secondary: #0f172a;
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-surface-light: #334155;
  --color-text: #f1f5f9;
  --color-text-muted: #cbd5e1;
  --color-text-dark: #94a3b8;
  --color-border: #334155;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-primary-hover);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

ul,
ol {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  width: 100%;
}

/* Navigation */
.navbar {
  background-color: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-base);
}

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

.brand-text {
  background: linear-gradient(135deg, var(--color-primary), #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-2xl);
  margin: 0;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.active {
    max-height: 500px;
  }

  .nav-link:after {
    display: none;
  }
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) var(--spacing-lg);
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-image {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.2);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.profile-image:hover {
  transform: scale(1.02);
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.4);
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: auto;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-image {
    order: -1;
  }
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background-color: var(--color-surface);
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.stat-card {
  background-color: var(--color-background);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
  transform: translateY(-5px);
}

.stat-number {
  font-size: var(--font-size-5xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Page Hero */
.page-hero {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(30, 41, 59, 0.5));
  border-bottom: 1px solid var(--color-border);
}

.page-hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.page-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
}

/* Sections */
.about-section,
.services-section,
.contact-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.about-block {
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

.section-text {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.section-text--highlight {
  background-color: rgba(6, 182, 212, 0.1);
  padding: var(--spacing-lg);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.skills-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.skills-list li {
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.skills-list li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.skill-category {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.skill-category-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.skill-items {
  list-style: none;
  margin: 0;
}

.skill-items li {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.skill-items li:before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

/* Experience List */
.experience-list {
  display: grid;
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.experience-item {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-base);
}

.experience-item:hover {
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
  transform: translateX(5px);
}

.experience-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.experience-description {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Interests Tags */
.interests-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.interest-tag {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 20px;
  border: 1px solid var(--color-primary);
  transition: all var(--transition-base);
  display: inline-block;
  font-size: var(--font-size-sm);
}

.interest-tag:hover {
  background-color: var(--color-primary);
  color: var(--color-background);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.service-card {
  background-color: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  text-align: center;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.2);
  transform: translateY(-10px);
}

.service-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

.service-title {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin: 0;
  text-align: left;
}

.service-features li {
  color: var(--color-text-muted);
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
}

.service-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin: var(--spacing-2xl) 0;
}

.contact-items {
  display: grid;
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.contact-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.contact-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.contact-icon {
  font-size: var(--font-size-3xl);
  min-width: 60px;
  display: flex;
  align-items: center;
}

.contact-label {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-link {
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition-base);
}

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

.contact-social {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.contact-social-label {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.social-link {
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.contact-info-box {
  background-color: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-topics {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.contact-topics li {
  color: var(--color-text-muted);
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
}

.contact-topics li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Coming Soon Section */
.coming-soon-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.coming-soon-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.coming-soon-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

.coming-soon-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-3xl) 0;
}

.project-placeholder {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  min-height: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.project-placeholder:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.2);
  transform: translateY(-10px);
}

.placeholder-shimmer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.1), transparent);
  animation: shimmer 2s infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.placeholder-content {
  position: relative;
  z-index: 1;
}

.placeholder-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  animation: float 3s ease-in-out infinite;
}

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

.placeholder-content p {
  color: var(--color-text-muted);
  margin: 0;
}

/* Notify Form */
.notify-section {
  background-color: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  margin: var(--spacing-3xl) 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.notify-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.notify-text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.notify-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.form-input {
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.form-input::placeholder {
  color: var(--color-text-dark);
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  min-height: 20px;
}

.form-message.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-message.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

/* Response Section */
.response-section {
  background-color: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  text-align: center;
  margin: var(--spacing-3xl) 0;
}

.response-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.response-text {
  color: var(--color-text-muted);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(30, 41, 59, 0.5));
  padding: var(--spacing-3xl) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-container h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.cta-container p {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(6, 182, 212, 0.3);
}

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

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

/* Footer */
.footer {
  background-color: var(--color-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-container p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-nav {
  display: flex;
  gap: var(--spacing-2xl);
}

.footer-nav a {
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.footer-nav a:hover {
  color: var(--color-primary);
}

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

@keyframes fadeInDown {
  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);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in-down {
  animation: fadeInDown 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out forwards;
  opacity: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }

  h1,
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  h2,
  .page-title {
    font-size: var(--font-size-2xl);
  }

  .nav-menu {
    gap: var(--spacing-lg);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-group {
    flex-direction: column;
  }

  .form-input {
    min-width: 100%;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .services-grid,
  .skills-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
}