/* ===== CSS Variables ===== */
:root {
  --primary: #6c63ff;
  --primary-dark: #5a52d5;
  --primary-light: #8b83ff;
  --secondary: #ff6584;
  --accent: #00d2ff;
  --dark: #1a1a2e;
  --dark-light: #16213e;
  --gray-900: #212529;
  --gray-800: #343a40;
  --gray-700: #495057;
  --gray-600: #6c757d;
  --gray-400: #ced4da;
  --gray-300: #dee2e6;
  --gray-200: #e9ecef;
  --gray-100: #f8f9fa;
  --white: #ffffff;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Plus Jakarta Sans", var(--font-main);
  --container: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--gray-800);
  background: var(--gray-100);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}
.delay-5 {
  transition-delay: 0.5s;
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -1px;
  box-shadow: 0 4px 14px rgba(108, 99, 255, 0.35);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.nav-logo .logo-icon::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.nav-logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.45);
}

.nav-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo .logo-text .logo-name {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.nav-logo .logo-text .logo-tagline {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--gray-600);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  -webkit-text-fill-color: initial;
  margin-top: 2px;
}

.nav-logo span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--gray-700);
  position: relative;
  overflow: hidden;
}

.nav-links a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(108, 99, 255, 0.06);
}

.nav-links a:hover::before {
  width: 60%;
}

.nav-links a.active {
  color: var(--primary);
  background: rgba(108, 99, 255, 0.08);
}

.nav-links a.active::before {
  width: 60%;
}

.nav-cta {
  margin-left: 8px;
  padding: 10px 24px !important;
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--primary-dark)
  ) !important;
  color: white !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4) !important;
  background: linear-gradient(
    135deg,
    var(--primary-light),
    var(--primary)
  ) !important;
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(108, 99, 255, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 101, 132, 0.2) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(0, 210, 255, 0.15) 0%,
      transparent 50%
    );
  animation: gradientShift 8s ease infinite;
  background-size: 200% 200%;
}

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

.hero-bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
}

.hero-bg-shapes .shape-1 {
  width: 400px;
  height: 400px;
  background: var(--white);
  top: -100px;
  right: -100px;
  animation: float 6s ease-in-out infinite;
}

.hero-bg-shapes .shape-2 {
  width: 300px;
  height: 300px;
  background: var(--white);
  bottom: -50px;
  left: -50px;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-bg-shapes .shape-3 {
  width: 150px;
  height: 150px;
  background: var(--secondary);
  top: 40%;
  right: 20%;
  animation: float 5s ease-in-out infinite 1s;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInDown 0.8s ease;
}

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

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: white;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
}

.hero h1 .highlight::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(255, 101, 132, 0.4);
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn-gradient:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 60px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

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

.hero-stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  font-family: var(--font-heading);
}

.hero-stat .stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

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

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
}

.section-header .section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(108, 99, 255, 0.08);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.1rem;
}

/* ===== Tools Grid ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.tool-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.tool-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.tool-card:hover .tool-card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.tool-card-icon.purple {
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary);
}
.tool-card-icon.pink {
  background: rgba(255, 101, 132, 0.1);
  color: var(--secondary);
}
.tool-card-icon.blue {
  background: rgba(0, 210, 255, 0.1);
  color: var(--accent);
}
.tool-card-icon.green {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}
.tool-card-icon.orange {
  background: rgba(255, 193, 7, 0.15);
  color: #e67e22;
}
.tool-card-icon.red {
  background: rgba(220, 53, 69, 0.1);
  color: var(--danger);
}

.tool-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.tool-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.tool-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

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

.tool-card-link svg {
  transition: var(--transition);
}

.tool-card-link:hover svg {
  transform: translateX(3px);
}

/* External tool badge */
.tool-card .external-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Features Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-card {
  text-align: center;
  padding: 32px 24px;
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: linear-gradient(
    135deg,
    rgba(108, 99, 255, 0.1),
    rgba(255, 101, 132, 0.1)
  );
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.15);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 30% 50%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 80%,
      rgba(255, 101, 132, 0.15) 0%,
      transparent 50%
    );
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
  z-index: 2;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: white;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.92rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--gray-400);
  font-size: 0.92rem;
}

.footer-col ul li a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.88rem;
}

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

.footer-bottom-links a {
  font-size: 0.88rem;
  color: var(--gray-400);
}

.footer-bottom-links a:hover {
  color: white;
}

/* ===== Tool Page Layout ===== */
.tool-page {
  padding-top: 90px;
  min-height: 100vh;
}

.tool-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 50px 0;
  position: relative;
  overflow: hidden;
}

.tool-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 20% 50%,
    rgba(255, 255, 255, 0.08) 0%,
    transparent 50%
  );
}

.tool-hero-content {
  position: relative;
  z-index: 2;
}

.tool-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.tool-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.tool-hero .breadcrumb a:hover {
  color: white;
}

.tool-hero .breadcrumb .separator {
  font-size: 0.8rem;
}

.tool-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: white;
  margin-bottom: 12px;
}

.tool-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 600px;
}

/* Tool Content Area */
.tool-content {
  padding: 40px 0 80px;
}

.tool-workspace {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  margin-bottom: 40px;
  border: 1px solid var(--gray-200);
}

.tool-workspace h2 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 8px;
  color: var(--gray-800);
}

.form-group label .required {
  color: var(--danger);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
  font-family: "Fira Code", "Consolas", monospace;
  font-size: 0.88rem;
  line-height: 1.6;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* Output Area */
.output-area {
  background: var(--dark);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: "Fira Code", "Consolas", monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  position: relative;
  min-height: 120px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.output-area .copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.output-area .copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

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

/* Action buttons */
.tool-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn-tool {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-tool-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-tool-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

.btn-tool-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-tool-secondary:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.btn-tool-danger {
  background: rgba(220, 53, 69, 0.08);
  color: var(--danger);
  border: 2px solid rgba(220, 53, 69, 0.2);
}

.btn-tool-danger:hover {
  background: var(--danger);
  color: white;
  transform: translateY(-2px);
}

/* FAQ Item Builder */
.faq-item {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
  position: relative;
}

.faq-item .remove-faq {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(220, 53, 69, 0.1);
  color: var(--danger);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
  border: none;
}

.faq-item .remove-faq:hover {
  background: var(--danger);
  color: white;
}

/* Related Tools */
.related-tools {
  margin-top: 40px;
}

.related-tools h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* ===== About Page ===== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
}

.about-content p {
  color: var(--gray-700);
  margin-bottom: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 80px 24px 24px;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
    gap: 4px;
    z-index: 1000;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-cta {
    margin-left: 0 !important;
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }

  .hamburger {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero-stats {
    gap: 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .tool-workspace {
    padding: 20px;
  }

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

  .tool-actions {
    flex-direction: column;
  }

  .tool-actions .btn-tool {
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

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

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

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

  .section {
    padding: 50px 0;
  }

  .tool-hero {
    padding: 30px 0;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}
.text-primary {
  color: var(--primary);
}
.text-muted {
  color: var(--gray-600);
}
.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: 8px;
}
.mb-2 {
  margin-bottom: 16px;
}
.mb-3 {
  margin-bottom: 24px;
}
.mb-4 {
  margin-bottom: 32px;
}
.mt-2 {
  margin-top: 16px;
}
.mt-3 {
  margin-top: 24px;
}
.mt-4 {
  margin-top: 32px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gray-600);
}

/* Selection */
::selection {
  background: rgba(108, 99, 255, 0.2);
  color: var(--dark);
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 14px 24px;
  background: var(--dark);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}