/* ==========================================================================
   Global Reset and Base Styles
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  scroll-behavior: smooth;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

body.loaded {
  opacity: 1;
}

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
  --primary-color: #00C4FF; /* Cyan for primary elements */
  --primary-hover: #00A3D6; /* Darker cyan for hover states and 404 buttons */
  --secondary-color: #FF6B6B; /* Coral for secondary elements */
  --secondary-hover: #E55A5A; /* Darker coral for hover states */
  --background-color: #1A1A1A; /* Dark background */
  --text-color: #FFFFFF; /* White text */
  --text-secondary: #B0B0B0; /* Light gray for secondary text */
  --accent-color: #2E2E2E; /* Darker gray for cards */
  --accent-glass: rgba(46, 46, 46, 0.7); /* Glassmorphism for containers */
  --shadow-color: rgba(0, 196, 255, 0.25); /* Subtle cyan shadow */
  --disabled-color: #6B7280; /* Gray for disabled states */
  --button-text: #FFFFFF; /* White for button text */
  --success-color: #28a745; /* Green for success messages */
  --gradient-bg: linear-gradient(135deg, #1A1A1A 0%, #2E2E2E 100%); /* Subtle section gradient */
  --glass-bg: linear-gradient(135deg, rgba(46, 46, 46, 0.8), rgba(0, 0, 0, 0.6)); /* Glassmorphism */
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3 {
  font-family: 'Inter', 'Roboto', sans-serif;
  font-weight: 700;
  color: var(--text-color);
  text-align: center;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: 1rem;
  color: var(--text-color);
}

h3 {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  margin-bottom: 0.75rem;
}

p {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--text-secondary);
}

.section-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1.75rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 500;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -50px;
  left: 10px;
  background: var(--primary-color);
  color: var(--button-text);
  padding: 0.75rem 1.75rem;
  z-index: 1000;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 600;
  transition: top 0.3s ease, background 0.3s ease;
}

.skip-link:focus {
  top: 0;
  background: var(--primary-hover);
  box-shadow: 0 0 10px var(--shadow-color);
}

.skip-link:not(:focus) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
  box-shadow: 0 0 10px var(--shadow-color);
}

/* ==========================================================================
   Links and Email Links
   ========================================================================== */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.email-link {
  color: var(--secondary-color);
  font-weight: 600;
  transition: color 0.3s ease, transform 0.2s ease;
}

.email-link:hover {
  color: var(--secondary-hover);
  transform: translateY(-2px);
  text-decoration: underline;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
header {
  background: var(--accent-color);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-nav .logo {
  color: var(--primary-color);
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  transition: color 0.3s ease, transform 0.2s ease;
}

.main-nav .logo:hover {
  color: var(--primary-hover);
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-color);
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--primary-color);
  color: var(--background-color);
  transform: translateY(-2px);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.3s ease;
}

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

.nav-toggle i {
  transition: transform 0.3s ease;
}

.nav-toggle[aria-expanded="true"] i {
  transform: rotate(180deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 80vh;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/hero-bg.webp') no-repeat center/cover fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.hero-content {
  max-width: 800px;
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.cta-button {
  background: var(--primary-color);
  color: var(--button-text);
  padding: 0.875rem 1.75rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: clamp(0.875rem, 2vw, 1rem);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease, text-shadow 0.3s ease;
  box-shadow: 0 3px 10px var(--shadow-color);
  border: none;
  cursor: pointer;
  will-change: transform, box-shadow;
}

.cta-button.secondary {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  box-shadow: none;
}

.cta-button:hover:not(:disabled) {
  background: var(--primary-hover);
  color: var(--button-text);
  transform: scale(1.05);
  box-shadow: 0 5px 14px var(--shadow-color);
  text-decoration: none;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.cta-button.secondary:hover:not(:disabled) {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--button-text);
  box-shadow: 0 3px 10px var(--shadow-color);
  text-decoration: none;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.cta-button:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 3px;
  box-shadow: 0 0 12px var(--shadow-color);
  color: var(--button-text);
  text-decoration: none;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  animation: pulse 1.5s infinite;
}

.cta-button:disabled {
  background: var(--disabled-color);
  color: var(--text-secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.cta-button .fa-spinner {
  font-size: 1rem;
  animation: spin 1s linear infinite;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem;
  background: var(--gradient-bg);
  text-align: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.service-card {
  background: var(--accent-glass);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.service-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 18px var(--shadow-color);
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio {
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem;
  background: var(--gradient-bg);
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  height: 320px;
  background: var(--accent-color);
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
  text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem;
  background: var(--gradient-bg);
  text-align: center;
}

.contact-container {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.contact .section-subtitle {
  font-size: clamp(0.875rem, 2.5vw, 1.125rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.form-group label {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--text-color);
  font-weight: 600;
}

.contact input,
.contact textarea {
  padding: 0.875rem;
  background: var(--accent-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--primary-color);
  border-radius: 10px;
  color: var(--text-color);
  font-size: clamp(0.875rem, 2vw, 1rem);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact input:focus,
.contact textarea:focus {
  border-color: var(--primary-hover);
  box-shadow: 0 0 10px var(--shadow-color);
  outline: none;
}

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

.contact .cta-button {
  border-radius: 10px;
}

.contact-alt {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--text-secondary);
}

.contact-alt .email-link {
  color: var(--secondary-color);
  font-weight: 600;
}

.contact-alt .email-link:hover {
  color: var(--secondary-hover);
  text-decoration: underline;
}

.form-success {
  color: var(--success-color);
  font-weight: 600;
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--success-color);
  border-radius: 10px;
  text-align: center;
  background: var(--accent-glass);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.6s ease-out;
}

/* ==========================================================================
   Terms, Privacy, and 404 Pages
   ========================================================================== */
.terms {
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem;
  background: var(--gradient-bg);
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.terms-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.terms-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0.9;
}

.terms-container h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
}

.terms-container h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-color);
  margin: 2rem 0 1rem;
  text-align: left;
  position: relative;
  padding-bottom: 0.5rem;
  width: 100%;
}

.terms-container h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-color);
}

.terms-container p {
  font-size: clamp(0.875rem, 2vw, 1rem);
  margin-bottom: 1.25rem;
  text-align: left;
  width: 100%;
}

.terms-container ul {
  list-style: none;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.terms-container ul li {
  position: relative;
  font-size: clamp(0.875rem, 2vw, 1rem);
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  transition: color 0.3s ease;
}

.terms-container ul li:hover {
  color: var(--text-color);
}

.terms-container ul li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary-color);
  position: relative;
  margin-right: 0.75rem;
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.6;
  top: 0.1rem;
  transition: transform 0.2s ease;
}

.terms-container ul li:hover::before {
  transform: scale(1.1);
}

.terms-container a {
  color: var(--primary-color);
  font-weight: 600;
}

.terms-container a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.terms-container .cta-button {
  margin: 2rem auto 0;
  max-width: 220px;
  display: flex;
  justify-content: center;
  text-decoration: none;
  background: var(--primary-hover); /* Darker cyan for 404 page buttons */
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--accent-glass);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 14px;
  max-width: 700px;
  width: 90%;
  text-align: center;
  transform: translateY(-30px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal.show .modal-content {
  transform: translateY(0);
  opacity: 1;
}

.modal-content img {
  max-width: 100%;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.modal-content h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.modal-content p {
  font-size: clamp(0.875rem, 2vw, 1rem);
}

.modal-content .cta-button {
  margin-top: 1.5rem;
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease, background 0.3s ease;
}

.close-modal:hover {
  color: var(--primary-color);
  background: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--accent-color);
  padding: 2rem 1.5rem;
  text-align: center;
  border-top: 2px solid var(--primary-color);
}

footer p {
  color: var(--text-secondary);
  font-size: clamp(0.75rem, 2vw, 0.875rem);
}

.powered-by {
  margin-top: 1rem;
}

.powered-by a {
  color: var(--primary-color);
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  font-weight: 600;
  margin: 0 0.75rem;
}

.powered-by a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-left {
  transform: translateX(-30px);
}

.animate-left.animated {
  transform: translateX(0);
}

.animate-right {
  transform: translateX(30px);
}

.animate-right.animated {
  transform: translateX(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 var(--shadow-color);
  }
  50% {
    box-shadow: 0 0 0 10px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 var(--shadow-color);
  }
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (min-width: 769px) {
  .hero {
    min-height: 90vh;
    padding: 3.5rem 2rem;
  }

  .services,
  .portfolio,
  .contact,
  .terms {
    padding: clamp(3.5rem, 6vw, 5rem) 2rem;
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

  .portfolio-grid {
    gap: 2.5rem;
  }

  .terms-container {
    padding: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--accent-color);
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    transform: translateY(-10px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-links.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    padding: 0.75rem;
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }

  .hero {
    min-height: 70vh;
    padding: 2rem 1rem;
  }

  .portfolio-item {
    height: 280px;
  }

  .contact-container {
    max-width: 500px;
  }

  .terms-container {
    padding: 1.25rem;
  }

  .terms-container ul {
    padding-left: 1.25rem;
  }

  .terms-container ul li {
    font-size: clamp(0.85rem, 2vw, 0.95rem);
  }

  .terms-container ul li::before {
    font-size: clamp(0.85rem, 2vw, 0.95rem);
    margin-right: 0.5rem;
    top: 0.05rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 60vh;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
  }

  .service-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-card,
  .terms-container {
    padding: 1rem;
  }

  .contact input,
  .contact textarea {
    padding: 0.75rem;
  }

  .contact textarea {
    min-height: 120px;
  }

  .modal-content {
    padding: 1rem;
    width: 95%;
  }

  .terms-container h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
  }

  .terms-container h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
  }

  .terms-container ul {
    padding-left: 1rem;
  }

  .terms-container ul li {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
  }

  .terms-container ul li::before {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    margin-right: 0.5rem;
    top: 0.05rem;
  }
}