/* ============================================================
   Project360 — Design System & Custom Styles
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700;9..144,800&display=swap");

/* ---- Design Tokens ---- */
:root {
  --radius: 0.875rem;

  /* Brand: Deep emerald teal + warm amber accent */
  --background: oklch(0.99 0.005 160);
  --foreground: oklch(0.18 0.025 180);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.18 0.025 180);
  --primary: oklch(0.42 0.09 175);
  --primary-foreground: oklch(0.99 0.005 160);
  --primary-glow: oklch(0.62 0.13 170);
  --secondary: oklch(0.96 0.015 170);
  --secondary-foreground: oklch(0.25 0.04 180);
  --muted: oklch(0.965 0.01 170);
  --muted-foreground: oklch(0.48 0.02 180);
  --accent: oklch(0.78 0.16 70);
  --accent-foreground: oklch(0.2 0.04 60);
  --destructive: oklch(0.6 0.22 27);
  --destructive-foreground: oklch(0.99 0 0);
  --border: oklch(0.92 0.01 170);
  --input: oklch(0.94 0.01 170);
  --ring: oklch(0.42 0.09 175);

  /* Surfaces & Gradients */
  --gradient-hero: linear-gradient(135deg, oklch(0.42 0.09 175) 0%, oklch(0.32 0.07 185) 60%, oklch(0.25 0.05 195) 100%);
  --gradient-accent: linear-gradient(135deg, oklch(0.78 0.16 70), oklch(0.7 0.18 50));
  --gradient-soft: linear-gradient(180deg, oklch(0.98 0.01 170), oklch(0.94 0.02 175));

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 oklch(0.2 0.04 180 / 0.06);
  --shadow-md: 0 4px 14px -2px oklch(0.2 0.04 180 / 0.08);
  --shadow-lg: 0 20px 40px -12px oklch(0.2 0.04 180 / 0.18);
  --shadow-xl: 0 25px 50px -12px oklch(0.42 0.09 175 / 0.25);
  --shadow-glow: 0 0 60px -10px oklch(0.62 0.13 170 / 0.45);

  /* Typography */
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;

  /* Animation */
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Base ---- */
*,
*::before,
*::after {
  border-color: var(--border);
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

img, video, svg {
  max-width: 100%;
  height: auto;
}

/* ---- Custom Utilities ---- */
.font-display {
  font-family: var(--font-display);
}

.bg-gradient-hero {
  background: var(--gradient-hero);
}

.bg-gradient-accent {
  background: var(--gradient-accent);
}

.bg-gradient-soft {
  background: var(--gradient-soft);
}

.shadow-elegant {
  box-shadow: var(--shadow-lg);
}

.shadow-soft {
  box-shadow: var(--shadow-md);
}

.shadow-glow {
  box-shadow: var(--shadow-glow);
}

.transition-smooth {
  transition: all 0.4s var(--transition-smooth);
}

.text-balance {
  text-wrap: balance;
}

/* Glassmorphism */
.glass-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* ---- Color utilities (var-backed) ---- */
.bg-background { background-color: var(--background); }
.bg-card { background-color: var(--card); }
.bg-primary { background-color: var(--primary); }
.bg-primary\/5 { background-color: oklch(0.42 0.09 175 / 0.05); }
.bg-primary\/10 { background-color: oklch(0.42 0.09 175 / 0.10); }
.bg-primary\/20 { background-color: oklch(0.42 0.09 175 / 0.20); }
.bg-secondary { background-color: var(--secondary); }
.bg-muted { background-color: var(--muted); }
.bg-accent { background-color: var(--accent); }
.bg-accent\/20 { background-color: oklch(0.78 0.16 70 / 0.20); }
.bg-accent\/30 { background-color: oklch(0.78 0.16 70 / 0.30); }
.bg-accent\/50 { background-color: oklch(0.78 0.16 70 / 0.50); }

.text-foreground { color: var(--foreground); }
.text-card-foreground { color: var(--card-foreground); }
.text-primary { color: var(--primary); }
.text-primary-foreground { color: var(--primary-foreground); }
.text-secondary-foreground { color: var(--secondary-foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.text-accent { color: var(--accent); }
.text-accent-foreground { color: var(--accent-foreground); }

.border-border { border-color: var(--border); }
.border-primary\/20 { border-color: oklch(0.42 0.09 175 / 0.20); }
.border-primary\/30 { border-color: oklch(0.42 0.09 175 / 0.30); }
.border-primary\/40 { border-color: oklch(0.42 0.09 175 / 0.40); }

/* ---- Header ---- */
.header-blur {
  background-color: oklch(0.99 0.005 160 / 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: all 0.3s var(--transition-smooth);
}
.header-scrolled {
  box-shadow: var(--shadow-sm);
  background-color: oklch(0.99 0.005 160 / 0.95);
}

/* ---- Hero highlight underline ---- */
.hero-highlight {
  position: relative;
  display: inline-block;
}
.hero-highlight .highlight-bar {
  position: absolute;
  bottom: 4px;
  left: 0;
  z-index: 0;
  height: 12px;
  width: 0; /* Start width at 0 for animation */
  border-radius: 4px;
  background-color: oklch(0.78 0.16 70 / 0.50);
  transition: width 0.8s var(--transition-bounce) 0.5s;
}
.animate-on-scroll.is-visible .highlight-bar,
.hero-highlight.is-visible .highlight-bar {
  width: 100%;
}
.hero-highlight .highlight-text {
  position: relative;
  z-index: 1;
  font-style: italic;
  color: var(--primary);
}

/* ---- Search bar ---- */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 0.5rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s var(--transition-bounce);
}
.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px) scale(1.01);
}
.search-bar input {
  height: 2.75rem;
  width: 100%;
  background: transparent;
  font-size: 0.875rem;
  outline: none;
  border: none;
  color: var(--foreground);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.search-bar input::placeholder {
  color: var(--muted-foreground);
}
.search-bar-dark {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border-color: rgba(255,255,255,0.2);
}
.search-bar-dark input {
  color: #ffffff;
}
.search-bar-dark input::placeholder {
  color: rgba(255,255,255,0.6);
}
.search-bar-dark i {
  color: rgba(255,255,255,0.7);
}

/* ---- Button ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--transition-bounce);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150%;
  height: 150%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%) scale(0);
  border-radius: 50%;
  transition: transform 0.5s var(--transition-smooth);
}
.btn:active::after {
  transform: translate(-50%, -50%) scale(1);
  transition: 0s;
}
.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px 0 oklch(0.42 0.09 175 / 0.39);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px oklch(0.42 0.09 175 / 0.45);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
}
.btn-outline:hover {
  background-color: oklch(0.42 0.09 175 / 0.05);
  border-color: oklch(0.42 0.09 175 / 0.30);
  transform: translateY(-1px);
}
.btn-sm {
  height: 2.25rem;
  padding: 0 1rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
}
.btn-lg {
  height: 3rem;
  padding: 0 1.5rem;
  border-radius: 0.75rem;
}
.btn-xl {
  height: 3.5rem;
  padding: 0 2rem;
  font-size: 1rem;
  border-radius: 1rem;
}

/* ---- Category card hover ---- */
.category-card {
  position: relative;
  transition: all 0.4s var(--transition-bounce);
}
.category-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: oklch(0.42 0.09 175 / 0.40);
  box-shadow: var(--shadow-xl);
}
.category-card .icon-wrap {
  transition: all 0.4s var(--transition-bounce);
}
.category-card:hover .icon-wrap {
  background: var(--gradient-hero);
  color: var(--primary-foreground);
  transform: scale(1.1) rotate(-5deg);
}
.category-card .chevron {
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s var(--transition-smooth);
}
.category-card:hover .chevron {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Service card ---- */
.service-card {
  transition: all 0.4s var(--transition-bounce);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.service-card-featured {
  background: var(--gradient-hero);
  color: var(--primary-foreground);
  border-color: transparent;
}
.service-card-featured .service-icon {
  background: rgba(255,255,255,0.15);
  color: var(--primary-foreground);
  transition: all 0.4s var(--transition-bounce);
}
.service-card-featured:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(255,255,255,0.25);
}
.service-card-featured .service-desc {
  color: oklch(0.99 0.005 160 / 0.80);
}

/* ---- Blog card ---- */
.blog-card {
  transition: all 0.4s var(--transition-bounce);
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: oklch(0.42 0.09 175 / 0.30);
}
.blog-card:hover .blog-title {
  color: var(--primary);
}

/* ---- Review card ---- */
.review-card {
  transition: all 0.3s var(--transition-smooth);
}
.review-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}

/* ---- Social link ---- */
.social-link {
  transition: all 0.3s var(--transition-bounce);
}
.social-link:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
  transform: translateY(-3px) scale(1.1);
}

/* ---- Footer link ---- */
.footer-link {
  position: relative;
  transition: all 0.3s var(--transition-smooth);
}
.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary);
  transition: width 0.3s var(--transition-smooth);
}
.footer-link:hover {
  color: var(--primary);
}
.footer-link:hover::after {
  width: 100%;
}

/* ---- Nav link ---- */
.nav-link {
  color: oklch(0.18 0.025 180 / 0.75);
  transition: all 0.3s var(--transition-smooth);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: all 0.3s var(--transition-bounce);
  transform: translateX(-50%);
  border-radius: 2px;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after {
  width: 100%;
}

/* ---- View all link hover ---- */
.view-all-link {
  transition: all 0.3s var(--transition-bounce);
}
.view-all-link:hover {
  gap: 0.75rem;
  color: var(--primary);
}

/* ============================================================
   ANIMATIONS & MICRO-INTERACTIONS
   ============================================================ */

/* Floating Elements */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.float-element {
  animation: float 5s ease-in-out infinite;
}
.float-element-delayed {
  animation: float 6s ease-in-out infinite 2s;
}

/* Pulse Glow */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}
.pulse-glow {
  animation: pulseGlow 4s ease-in-out infinite;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
}

/* Fade Up */
.fade-up {
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-bounce);
}
.fade-up.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Fade Right */
.fade-right {
  transform: translateX(-40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-bounce);
}
.fade-right.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* Fade Left */
.fade-left {
  transform: translateX(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-bounce);
}
.fade-left.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* Zoom In */
.zoom-in {
  transform: scale(0.9);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-bounce);
}
.zoom-in.is-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

/* Stagger Delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }


/* ============================================================
   MOBILE RESPONSIVE ENHANCEMENTS
   ============================================================ */

/* ---- Mobile Menu Toggle Button ---- */
#menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  color: var(--foreground);
  transition: transform 0.2s;
}
#menu-toggle:active {
  background-color: var(--secondary);
  transform: scale(0.95);
}

/* ---- Mobile menu smooth animation ---- */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--transition-smooth), opacity 0.3s ease;
  opacity: 0;
}
.mobile-menu.open {
  display: block;
  max-height: 600px;
  opacity: 1;
}

.mobile-menu nav a {
  border-bottom: 1px solid var(--border);
  transition: all 0.2s ease;
}
.mobile-menu nav a:last-child {
  border-bottom: none;
}
.mobile-menu nav a:active {
  background-color: var(--secondary);
}

/* Disable scroll animations on mobile for better performance */
@media (max-width: 767px) {
  .animate-on-scroll {
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---- Improve touch targets globally ---- */
@media (max-width: 767px) {
  a, button, select, input[type="submit"], [role="button"] {
    min-height: 44px;
  }

  #site-header .h-16 { height: 3.5rem; }

  #hero h1 {
    font-size: 1.875rem !important;
    line-height: 1.15 !important;
  }
  #hero p { font-size: 0.9375rem; }

  .search-bar {
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.625rem;
    border-radius: 1.25rem;
  }
  .search-bar > div:first-child { width: 100%; }
  .search-bar button[type="submit"] {
    width: 100%;
    border-radius: 0.75rem;
  }

  #categories .grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem;
  }
  .category-card {
    padding: 0.875rem !important;
    border-radius: 1rem;
  }
  .category-card .icon-wrap {
    height: 2.25rem;
    width: 2.25rem;
  }
  .category-card h3 { font-size: 0.8125rem; }
  .category-card .chevron { display: none; }

  #services .grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem;
  }
  .service-card {
    padding: 1.25rem !important;
    border-radius: 1.25rem;
  }
  .service-card h3 { font-size: 1.125rem; }

  #blog .grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem;
  }
  .blog-card {
    padding: 1.25rem !important;
    border-radius: 1.25rem;
  }
  .blog-card h3 { font-size: 1.125rem; }

  #reviews .grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem;
  }
  .review-card {
    padding: 1.25rem !important;
    border-radius: 1.25rem;
  }

  #contact .rounded-\[2rem\] {
    padding: 1.5rem !important;
    border-radius: 1.5rem !important;
  }
  #contact h2 { font-size: 1.5rem !important; }

  .btn-xl {
    height: 3rem;
    padding: 0 1.25rem;
    font-size: 0.875rem;
    border-radius: 0.75rem;
  }
  .btn-lg {
    height: 2.75rem;
    padding: 0 1.125rem;
    font-size: 0.8125rem;
  }

  footer .grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }
  footer .md\:col-span-2 { text-align: left; }

  .topic-stats-row {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.25rem;
  }
  .topic-stats-row p.font-display { font-size: 1rem !important; }
  .topic-stats-row p.text-xs { font-size: 0.625rem; }

  .generator-layout { grid-template-columns: 1fr !important; }
  .generator-form-card { position: static !important; }

  .software-filter-form {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }
  .software-filter-form select { width: 100% !important; }
  .software-filter-form .filter-actions {
    display: flex;
    gap: 0.5rem;
  }
  .software-filter-form .filter-actions button,
  .software-filter-form .filter-actions a {
    flex: 1;
  }

  .software-grid { grid-template-columns: 1fr !important; }

  .payment-success-card {
    padding: 1.25rem !important;
    border-radius: 1.5rem !important;
  }

  .topic-badges {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .topic-cta-buttons { flex-direction: column !important; }
  .topic-cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hire-form-grid { grid-template-columns: 1fr !important; }

  section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .dept-filter-pills { gap: 0.375rem; }
  .dept-filter-pills .btn-sm {
    height: 2rem;
    padding: 0 0.75rem;
    font-size: 0.6875rem;
  }

  .breadcrumb {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .breadcrumb::-webkit-scrollbar { display: none; }

  .payment-modal-inner {
    padding: 1.25rem !important;
    border-radius: 1.25rem !important;
    max-height: 90vh;
    overflow-y: auto;
  }

  .purchase-options label { padding: 0.625rem !important; }
  .purchase-options label div span:first-child { font-size: 0.75rem; }

  .pagination-row { gap: 0.25rem; }
  .pagination-row .btn-sm {
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    font-size: 0.75rem;
  }

  .related-topics-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem;
  }
}

@media (max-width: 374px) {
  #hero h1 { font-size: 1.625rem !important; }
  .category-card h3 { font-size: 0.75rem; }
  .btn-sm {
    height: 2rem;
    padding: 0 0.625rem;
    font-size: 0.75rem;
  }
  .btn-xl {
    height: 2.75rem;
    padding: 0 1rem;
    font-size: 0.8125rem;
  }
  #contact .flex-col { gap: 0.5rem; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .search-bar { flex-direction: row; }
  .search-bar button[type="submit"] { width: auto; }
  #categories .grid { grid-template-columns: repeat(3, 1fr) !important; }
  .software-filter-form { flex-direction: row !important; }
}

:target { scroll-margin-top: 5rem; }

#loading-overlay .max-w-sm { margin: 0 1rem; }

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

@media (min-width: 768px) {
  select, input, textarea { font-size: 0.875rem !important; }
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}