:root {
  --accent: #0085ef;
  --text-primary: #fefefe;
  --bg-primary: #050404;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --bg: #050404;
  --bg-alt: #0a0a0a;
  --card-bg: #111111;
  --accent-soft: rgba(0, 133, 239, 0.18);
  --accent-strong: #0066cc;
  --text: #fefefe;
  --muted: #cccccc;
  --border: #333333;
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.7);
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg: #fefefe;
  --bg-alt: #f5f5f5;
  --card-bg: #ffffff;
  --accent-soft: rgba(0, 133, 239, 0.18);
  --accent-strong: #0066cc;
  --text: #050404;
  --muted: #666666;
  --border: #e0e0e0;
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.1);
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.05);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.6;
}

h1, h2, h3 {
  letter-spacing: -0.02em;
}

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

/* Loading Screen */

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-logo {
  animation: logoFadeIn 1s ease-in-out infinite alternate;
}

.loading-logo img {
  width: 350px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(0, 133, 239, 0.5));
}

@keyframes logoFadeIn {
  0% {
    opacity: 0.4;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

/* 3D Spinning Logo Background */

.logo-3d-bg {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}

.spinning-logo {
  width: 600px;
  height: 600px;
  animation: spin3d 20s linear infinite;
  transform-style: preserve-3d;
  filter: brightness(2) contrast(1.5);
}

@keyframes spin3d {
  0% {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
  }
  33% {
    transform: rotateX(120deg) rotateY(120deg) rotateZ(0deg);
  }
  66% {
    transform: rotateX(240deg) rotateY(240deg) rotateZ(120deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
  }
}

/* Portfolio Link */

.portfolio-link {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  border-radius: 50%;
  padding: 12px;
  box-shadow: 0 8px 25px rgba(0, 133, 239, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 25px rgba(0, 133, 239, 0.4); }
  50% { box-shadow: 0 8px 35px rgba(0, 133, 239, 0.6); }
}

.portfolio-link:hover {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 12px 35px rgba(0, 133, 239, 0.6);
}

.portfolio-logo {
  width: 50px;
  height: 50px;
  display: block;
}

/* Reviews */

.review-card {
  text-align: center;
  background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-alt) 100%);
  border: 1px solid rgba(0, 133, 239, 0.15);
}

.stars {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.review-text {
  font-style: italic;
  margin: 1rem 0;
  line-height: 1.6;
}

.review-author {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1rem;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, rgba(0, 133, 239, 0.03), transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}

.section.alt {
  background: var(--bg-alt);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(180%);
  background: rgba(5, 4, 4, 0.8);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

[data-theme="light"] .site-header {
  background: rgba(254, 254, 254, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
}

.logo-img {
  height: 40px;
  width: auto;
  max-width: 200px;
}

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

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
  transition: color var(--transition), background var(--transition),
    transform var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

/* Theme toggle */

.theme-toggle {
  background: var(--accent-soft);
  border: 1px solid rgba(0, 133, 239, 0.3);
  border-radius: 999px;
  font-size: 1.1rem;
  padding: 0.35rem 0.6rem;
  color: var(--text);
  cursor: pointer;
  margin-right: 0.5rem;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--accent);
  transform: rotate(20deg) scale(1.1);
  border-color: var(--accent);
}

/* Mobile nav */

.nav-toggle {
  display: none;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 133, 239, 0.3);
  border-radius: 999px;
  font-size: 1.1rem;
  padding: 0.35rem 0.6rem;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-toggle:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.05);
}

/* Hero */

.hero {
  padding: 4rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  color: var(--muted);
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.6rem 0 1rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.hero-tags span {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 133, 239, 0.3);
  color: var(--accent);
  font-weight: 500;
  transition: all 0.3s ease;
}

.hero-tags span:hover {
  background: var(--accent);
  color: white;
  transform: scale(1.05);
}

/* Hero card */

.hero-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow-soft);
  padding: 1.6rem 1.4rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.hero-card h2 {
  font-size: 1.2rem;
  margin-top: 0;
}

.hero-card p {
  color: var(--muted);
}

.hero-card ul {
  margin: 0.8rem 0 1.1rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
}

.hero-card li {
  margin-bottom: 0.25rem;
}

.hero-price {
  font-weight: 600;
  margin-bottom: 0.7rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn.primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 14px 35px var(--accent-soft);
}

.btn.primary:hover {
  transform: translateY(-2px);
  background: var(--accent-strong);
  box-shadow: 0 20px 40px var(--accent-soft);
}

.btn.secondary {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--border);
}

.btn.secondary:hover {
  background: var(--bg-alt);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.btn.full-width {
  width: 100%;
}

/* Sections */

.section-title {
  font-size: 1.7rem;
  margin-bottom: 0.3rem;
  font-weight: 700;
}

.section-subtitle {
  color: var(--muted);
  max-width: 32rem;
  margin-bottom: 2rem;
}

/* Cards + grids */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.5rem 1.3rem;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(148, 163, 184, 0.3);
}

[data-theme="light"] .card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
}

.card ul {
  margin-top: 0.7rem;
  margin-bottom: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
}

.card li + li {
  margin-top: 0.2rem;
}

.package-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.package-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, var(--accent-soft), transparent 60%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.package-card .btn {
  margin-top: auto;
}

.package-card.featured {
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 133, 239, 0.3);
  position: relative;
}

.package-card.featured::after {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.package-tag {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.package-price {
  margin-top: 1rem;
  font-weight: 600;
}

/* Pricing */

.plan-price {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.card.featured {
  border-color: var(--accent);
  box-shadow: 0 18px 50px rgba(0, 133, 239, 0.25);
  position: relative;
}

.card.featured::after {
  content: 'RECOMMENDED';
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.pricing-note {
  margin-top: 1.8rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 1.75rem;
}

.about-footnote {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.3fr);
  gap: 1.75rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.form-group {
  display: grid;
  gap: 0.25rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select,
textarea {
  background: var(--card-bg);
  border-radius: 0.75rem;
  border: 1.5px solid rgba(148, 163, 184, 0.3);
  padding: 0.65rem 0.85rem;
  color: var(--text);
  font: inherit;
  outline: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

input::placeholder,
textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 133, 239, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
  background: var(--card-bg);
  transform: translateY(-1px);
}

.contact-meta p {
  margin: 0.2rem 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 1.6rem;
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner,
  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero-card {
    order: -1;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .card:hover {
    transform: translateY(-2px);
  }

  .spinning-logo {
    width: 400px;
    height: 400px;
  }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 60px;
    right: 1.25rem;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border-radius: 1.25rem;
    border: 1px solid rgba(0, 133, 239, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    flex-direction: column;
    padding: 0.75rem 1rem;
    min-width: 200px;
    display: none;
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links a {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
  }

  .portfolio-link {
    bottom: 15px;
    right: 15px;
    padding: 10px;
  }

  .portfolio-logo {
    width: 40px;
    height: 40px;
  }

  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 1.75rem;
    line-height: 1.2;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 2.5rem 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .card {
    padding: 1.25rem 1rem;
  }

  .package-card.featured::after,
  .card.featured::after {
    top: -10px;
    right: 15px;
    font-size: 0.65rem;
    padding: 3px 10px;
  }

  .spinning-logo {
    width: 300px;
    height: 300px;
  }

  .hero-tags {
    font-size: 0.7rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }
}