/* ========== INSTATOOLSHUB DESIGN SYSTEM ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #8B5CF6;
  --primary-light: #A78BFA;
  --primary-dark: #7C3AED;
  --secondary: #EC4899;
  --accent: #F97316;
  --success: #22C55E;
  --bg: #08080f;
  --bg-secondary: #0f0f1a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-full: 9999px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ig-gradient: linear-gradient(135deg, #833AB4, #FD1D1D, #F77737);
  --glow-primary: 0 0 30px rgba(139, 92, 246, 0.3);
  --glow-pink: 0 0 30px rgba(236, 72, 153, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

p {
  color: var(--text-muted);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 8, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 4px 15px rgba(131, 58, 180, 0.3);
}

.nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(139, 92, 246, 0.15);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: rgba(8, 8, 15, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.mobile-menu a:hover {
  background: rgba(139, 92, 246, 0.1);
  color: #fff;
}

/* ========== HERO ========== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease;
}

.hero h1 {
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .gradient-text {
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 60px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat .num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--ig-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(131, 58, 180, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(131, 58, 180, 0.4);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

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

/* ========== CARDS ========== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ig-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  background: rgba(139, 92, 246, 0.1);
}

.card-icon.pink {
  background: rgba(236, 72, 153, 0.1);
}

.card-icon.orange {
  background: rgba(249, 115, 22, 0.1);
}

.card-icon.green {
  background: rgba(34, 197, 94, 0.1);
}

.card h3 {
  margin-bottom: 10px;
  color: var(--text);
}

.card p {
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-size: 0.9rem;
  font-weight: 500;
}

.card-link:hover {
  gap: 10px;
}

/* ========== TOOL PAGE LAYOUT ========== */
.tool-page {
  padding: 100px 0 60px;
}

.tool-header {
  text-align: center;
  margin-bottom: 40px;
}

.tool-header h1 {
  margin-bottom: 12px;
}

.tool-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* ========== FORM ELEMENTS ========== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* ========== TABS / FILTERS ========== */
.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  justify-content: center;
}

.tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tab:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

/* ========== CONTENT ITEMS ========== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  transition: var(--transition);
}

.item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.item-text {
  flex: 1;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.5;
}

.item-category {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(139, 92, 246, 0.1);
  color: var(--primary-light);
  margin-top: 8px;
}

.copy-btn {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--primary-light);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

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

.copy-btn.copied {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

/* ========== RESULTS AREA ========== */
.results {
  margin-top: 30px;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.result-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.result-item:hover {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.04);
}

/* ========== TIPS/GUIDE CARDS ========== */
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.guide-card:hover {
  border-color: var(--border-hover);
}

.guide-card h3 {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-card ul {
  padding-left: 20px;
}

.guide-card li {
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.guide-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ig-gradient);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--text);
}

.footer-col a {
  display: block;
  padding: 4px 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ========== AD SLOTS ========== */
.ad-slot {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin: 30px 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== SEARCH ========== */
.search-box {
  position: relative;
  max-width: 500px;
  margin: 0 auto 30px;
}

.search-box input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: var(--glow-primary);
}

.search-box .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1.1rem;
}

/* ========== TOAST ========== */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--success);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(34, 197, 94, 0.3);
  transition: transform 0.3s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

.animate-in {
  animation: fadeInUp 0.5s ease both;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .num {
    font-size: 1.5rem;
  }

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

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

  .tool-box {
    padding: 20px;
  }

  .tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

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