/* ================================
   AICraft - Premium Dark Theme CSS
   ================================ */

/* CSS Reset & Variables */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6c63ff;
  --primary-dark: #5a52d5;
  --secondary: #00d4ff;
  --accent: #ff6b6b;
  --success: #00d68f;
  --warning: #ffb347;

  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: #12121f;
  --bg-card-hover: #1a1a2e;
  --bg-input: #1e1e30;

  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b8a;

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(108, 99, 255, 0.5);

  --gradient-primary: linear-gradient(135deg, #6c63ff 0%, #00d4ff 100%);
  --gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ffb347 100%);
  --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #0d0d1f 50%, #0a0a0f 100%);
  --gradient-hero: radial-gradient(ellipse at top, #1a1040 0%, #0a0a0f 70%);

  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 40px rgba(108, 99, 255, 0.25);
  --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: var(--gradient-bg);
}

/* ================================
   SCROLLBAR
   ================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ================================
   NAVBAR
   ================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
}

.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 10px var(--primary));
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(108, 99, 255, 0.1);
}

.nav-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn-outline {
  padding: 9px 20px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

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

.btn-primary {
  padding: 9px 20px;
  background: var(--gradient-primary);
  border: none;
  color: white;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: 120px 24px 80px;
}

.hero-bg-animation {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -100px;
  left: -100px;
  animation-delay: -3s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 50%;
  left: 40%;
  animation-delay: -6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108, 99, 255, 0.15);
  border: 1px solid rgba(108, 99, 255, 0.3);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

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

.hero-subtitle {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-subtitle strong {
  color: var(--text-primary);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-hero-secondary:hover {
  border-color: var(--primary);
  background: rgba(108, 99, 255, 0.1);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 0;
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 40px;
  flex-wrap: wrap;
  gap: 8px;
}

.stat-item {
  text-align: center;
  padding: 0 24px;
}

.stat-number {
  display: block;
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* ================================
   SECTION SHARED STYLES
   ================================ */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-block;
  background: rgba(108, 99, 255, 0.15);
  border: 1px solid rgba(108, 99, 255, 0.3);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ================================
   SECTORS SECTION
   ================================ */
.sectors-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  cursor: pointer;
}

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

.sector-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.sector-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sector-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.sector-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}

.sector-link:hover {
  color: var(--secondary);
}

/* ================================
   TOOLS SECTION
   ================================ */
.tools-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}

.filter-btn {
  padding: 10px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  min-height: 200px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.tool-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.tool-card-image {
  height: 180px;
  background: linear-gradient(135deg, #1a1040 0%, #0d1a2e 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tool-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tool-image-placeholder {
  font-size: 64px;
  opacity: 0.5;
}

.tool-sector-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  color: var(--secondary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.tool-card-body {
  padding: 20px;
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 10px;
}

.tool-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.tool-price {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  white-space: nowrap;
}

.price-free {
  background: rgba(0, 214, 143, 0.15);
  color: var(--success);
  border: 1px solid rgba(0, 214, 143, 0.3);
}

.price-paid {
  background: rgba(255, 179, 71, 0.15);
  color: var(--warning);
  border: 1px solid rgba(255, 179, 71, 0.3);
}

.tool-category {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 12px;
}

.tool-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-card-footer {
  display: flex;
  gap: 10px;
}

.btn-tool-primary {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-tool-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-tool-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-tool-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-tool-secondary:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.load-more-container {
  text-align: center;
  margin-top: 48px;
}

.btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-load-more:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

/* ================================
   HOW IT WORKS
   ================================ */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: var(--transition);
}

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

.step-number {
  font-size: 48px;
  font-weight: 900;
  color: rgba(108, 99, 255, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.step-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ================================
   ADD TOOL FORM SECTION
   ================================ */
.add-tool-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

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

.form-header h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.form-header p {
  color: var(--text-secondary);
}

.tool-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

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

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

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

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  border: none;
  color: white;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  margin-top: 4px;
}

.form-message.success {
  background: rgba(0, 214, 143, 0.1);
  border: 1px solid rgba(0, 214, 143, 0.3);
  color: var(--success);
}

.form-message.error {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--accent);
}

.form-message.hidden {
  display: none;
}

/* ================================
   CTA SECTION
   ================================ */
.cta-section {
  padding: 100px 24px;
  background: linear-gradient(135deg, #0f0a2e 0%, #0a1a2e 50%, #0f0a2e 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.2;
}

.cta-content p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--gradient-primary);
  border: none;
  color: white;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(108, 99, 255, 0.4);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-cta-secondary:hover {
  border-color: var(--primary);
  background: rgba(108, 99, 255, 0.1);
  transform: translateY(-3px);
}

.cta-email {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ================================
   FOOTER
   ================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.8;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 16px;
  transition: var(--transition);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 12px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

/* ================================
   LOADING & EMPTY STATES
   ================================ */
.loading-state,
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px;
  width: 100%;
  color: var(--text-muted);
  font-size: 14px;
  grid-column: 1 / -1;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.empty-state,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  text-align: center;
  grid-column: 1 / -1;
}

.empty-icon,
.error-icon {
  font-size: 64px;
  line-height: 1;
}

.empty-state h3,
.error-state h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-state p,
.error-state p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 360px;
  margin-bottom: 8px;
}

.no-data,
.error-msg {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: 40px;
  grid-column: 1 / -1;
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-content {
  animation: fadeInUp 0.8s ease forwards;
}

.sector-card,
.tool-card,
.step-card {
  animation: fadeIn 0.5s ease forwards;
}

/* ================================
   RESPONSIVE - TABLET (768px)
   ================================ */
@media (max-width: 900px) {
  .nav-links,
  .nav-buttons {
    display: none;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 100px 32px 32px;
    gap: 8px;
    z-index: 999;
    align-items: flex-start;
  }

  .nav-links.mobile-open .nav-link {
    font-size: 24px;
    font-weight: 700;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
    border-radius: 0;
  }

  .hamburger {
    display: flex;
    z-index: 1000;
  }

  .hero-title {
    font-size: 36px;
    letter-spacing: -1px;
  }

  .hero-stats {
    padding: 16px 20px;
    gap: 4px;
  }

  .stat-item {
    padding: 0 12px;
  }

  .stat-number {
    font-size: 22px;
  }

  .stat-divider {
    display: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ================================
   RESPONSIVE - MOBILE (480px)
   ================================ */
@media (max-width: 600px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .hero-title {
    font-size: 30px;
    letter-spacing: -0.5px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    justify-content: center;
  }

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

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

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

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

  .section-title {
    font-size: 28px;
  }

  .sectors-section,
  .tools-section,
  .how-it-works,
  .add-tool-section,
  .cta-section {
    padding: 60px 0;
  }

  .form-card {
    padding: 28px 20px;
  }

  .filter-bar {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-cta-primary,
  .btn-cta-secondary {
    width: 100%;
    justify-content: center;
  }

  .tool-card-footer {
    flex-direction: column;
  }

  .section-container {
    padding: 0 16px;
  }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.hidden {
  display: none !important;
}

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

.mt-auto { margin-top: auto; }
.w-full { width: 100%; }