/* ============================================
   ENRICH3D - Portfolio Website Styles
   ============================================ */

/* --- RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* --- VARIABLES --- */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;

  /* Text */
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;

  /* Accent */
  --accent-primary: #6c63ff;
  --accent-hover: #8b83ff;
  --accent-gradient: linear-gradient(135deg, #6c63ff 0%, #3b82f6 100%);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-visible: rgba(255, 255, 255, 0.12);

  /* Pricing tier accents */
  --tier-starter: #22c55e;
  --tier-business: #6c63ff;
  --tier-premium: #f59e0b;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', var(--font-body);

  /* Layout */
  --nav-height: 72px;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

/* --- BASE TYPOGRAPHY --- */
body {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
}

h1 { font-size: clamp(2.25rem, 5vw + 1rem, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

/* --- LAYOUT --- */
.container {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title {
  margin-bottom: var(--space-xs);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin-inline: auto;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  border-color: var(--accent-primary);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108, 99, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-visible);
}

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

.btn-full {
  width: 100%;
}

/* --- NAVIGATION --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-logo svg {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.2s ease;
}

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

.nav-cta {
  background: var(--accent-gradient);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  filter: brightness(1.15);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

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

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    background: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-links--open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.5rem;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- REVIEWS MARQUEE --- */
.reviews {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.marquee-track {
  display: flex;
  overflow: hidden;
  user-select: none;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    black 8%,
    black 92%,
    transparent
  );
  mask-image: linear-gradient(
    to right,
    transparent,
    black 8%,
    black 92%,
    transparent
  );
}

.marquee-content {
  display: flex;
  gap: var(--space-md);
  flex-shrink: 0;
  animation: marquee 35s linear infinite;
  padding-right: var(--space-md);
}

.marquee-track:hover .marquee-content {
  animation-play-state: paused;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

.review-card {
  flex-shrink: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  min-width: 350px;
  max-width: 400px;
}

.review-card p {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.review-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- PORTFOLIO --- */
.portfolio {
  background: var(--bg-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.portfolio-card {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-thumbnail {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

.portfolio-card:hover .portfolio-thumbnail img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108, 99, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.portfolio-link-text {
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.portfolio-link-text::after {
  content: '\2197';
  font-size: 1.3rem;
}

.portfolio-info {
  padding: 1.25rem 1.5rem;
}

.portfolio-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.portfolio-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Placeholder card */
.portfolio-card--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 2px dashed var(--border-visible);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  cursor: default;
}

.portfolio-card--placeholder:hover {
  transform: none;
  box-shadow: none;
}

.portfolio-card--placeholder span {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
}

/* --- PRICING --- */
.pricing {
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card .pricing-features {
  flex: 1;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card--featured {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1.25rem;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.pricing-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pricing-price {
  margin-bottom: 1.75rem;
}

.price-onetime {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.price-monthly {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.pricing-features {
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  padding-left: 1.75rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

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

.pricing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 700;
}

.pricing-addons {
  text-align: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.pricing-addons h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.2rem;
}

.pricing-addons p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-addons-list {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.addon-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  text-align: center;
}

.addon-item strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.addon-item span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Responsive pricing */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin-inline: auto;
  }

  .pricing-card--featured {
    transform: none;
    order: -1;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* --- FOOTER --- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-visible);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-tagline {
    margin-inline: auto;
  }

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

/* --- CONTACT PAGE --- */
.contact-hero {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
  text-align: center;
}

.contact-hero h1 {
  margin-bottom: var(--space-xs);
}

.contact-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.contact-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

/* Contact form */
.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-visible);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-group--error input,
.form-group--error textarea {
  border-color: #ef4444;
}

.form-group--error label {
  color: #ef4444;
}

/* Contact info sidebar */
.contact-info {
  padding: 1rem 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-primary);
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-text h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-info-text p,
.contact-info-text a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.contact-info-text a:hover {
  color: var(--accent-primary);
}

.contact-socials {
  margin-top: var(--space-md);
}

.contact-socials h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border-visible);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

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

.social-link svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .social-links {
    flex-direction: column;
  }
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- FORM SUCCESS --- */
.form-success {
  text-align: center;
  padding: 2rem;
}

.form-success h3 {
  color: var(--tier-starter);
  margin-bottom: 0.5rem;
}