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

:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --card: #ffffff;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --accent: #ec4899;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0a0e1a;
  --bg-alt: #111827;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #1f2937;
  --card: #111827;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}
[data-theme="dark"] .header { background: rgba(10, 14, 26, 0.85); }

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.25rem;
}
.logo-icon { font-size: 1.5rem; }

.nav { display: flex; gap: 32px; }
.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--primary); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav-link:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  gap: 6px;
  transition: var(--transition);
}
.theme-toggle:hover { transform: scale(1.05); }
[data-theme="dark"] .theme-toggle .sun { opacity: 0.4; }
[data-theme="light"] .theme-toggle .moon,
:root:not([data-theme="dark"]) .theme-toggle .moon { opacity: 0.4; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-alt); }

/* Hero visual – orbit animation */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.orbit-animation {
  position: relative;
  width: 320px;
  height: 320px;
}
.orbit-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  width: 100px; height: 100px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.4);
  z-index: 2;
}
.orbit-ring {
  position: absolute;
  top: 50%; left: 50%;
  border: 2px dashed var(--border);
  border-radius: 50%;
  animation: spin 20s linear infinite;
}
.ring-1 { width: 160px; height: 160px; margin: -80px 0 0 -80px; animation-duration: 12s; }
.ring-2 { width: 240px; height: 240px; margin: -120px 0 0 -120px; animation-duration: 18s; animation-direction: reverse; }
.ring-3 { width: 320px; height: 320px; margin: -160px 0 0 -160px; animation-duration: 25s; }

.orbit-ring span {
  position: absolute;
  top: -16px; left: 50%;
  transform: translateX(-50%);
  font-size: 1.4rem;
  width: 36px; height: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}

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

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

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

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.tool-card:hover::before { transform: scaleX(1); }

.tool-icon {
  font-size: 2.5rem;
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
}

.tool-title {
  font-size: 1.25rem;
  font-weight: 700;
}
.tool-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}
.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
  margin-top: 8px;
  transition: gap var(--transition);
}
.tool-link:hover { gap: 12px; }

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== ABOUT ===== */
.about-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-muted);
  margin: 16px 0;
  font-size: 1.02rem;
}
.about-text .btn { margin-top: 16px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.stat-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-muted); font-size: 0.9rem; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 16px 0;
  max-width: 320px;
}
.social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.social-links a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-links a:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
  z-index: 99;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 16px 20px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: var(--shadow);
  }
  .nav.open { transform: translateY(0); }
  .nav-link { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-link:last-child { border-bottom: none; }

  .menu-toggle { display: flex; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 50px 0 70px; }
  .section { padding: 60px 0; }
  .orbit-animation { width: 260px; height: 260px; }
  .ring-1 { width: 130px; height: 130px; margin: -65px 0 0 -65px; }
  .ring-2 { width: 195px; height: 195px; margin: -97.5px 0 0 -97.5px; }
  .ring-3 { width: 260px; height: 260px; margin: -130px 0 0 -130px; }
  .orbit-center { width: 80px; height: 80px; font-size: 2.4rem; }

  .about-stats { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { justify-content: center; text-align: center; }
}

@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .btn { padding: 10px 18px; font-size: 0.9rem; }
} 
/* ===== PAGE HERO (for subpages) ===== */
.page-hero {
  padding: 60px 0 40px;
  text-align: center;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.page-hero p {
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.02rem;
}

/* ===== CONTENT WRAPPER ===== */
.content {
  max-width: 860px;
  margin: 0 auto;
  padding: 60px 20px;
}
.content h2 {
  font-size: 1.5rem;
  margin: 32px 0 12px;
  font-weight: 700;
}
.content h3 {
  font-size: 1.15rem;
  margin: 24px 0 8px;
  font-weight: 600;
}
.content p, .content li {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 12px;
}
.content ul, .content ol {
  padding-left: 22px;
  margin-bottom: 16px;
}
.content a { color: var(--primary); text-decoration: underline; }
.content a:hover { color: var(--primary-hover); }

/* ===== DOWNLOADER BOX ===== */
.dl-box {
  max-width: 720px;
  margin: 40px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.dl-input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.dl-input-row input {
  flex: 1 1 300px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}
.dl-input-row input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}
.dl-input-row button {
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.dl-input-row button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}
.dl-input-row button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.dl-result {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  display: none;
}
.dl-result.show { display: block; }
.dl-result.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}
.dl-result.success {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.3);
}
.dl-result h4 { margin-bottom: 8px; font-size: 1rem; }
.dl-result .meta { font-size: 0.9rem; color: var(--text-muted); }

/* ===== FORMS (Contact) ===== */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.92rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }

.form-message {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.95rem;
  display: none;
}
.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== DEALS GRID ===== */
.deals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.deal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.deal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.deal-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
}
.deal-body { padding: 16px; flex-grow: 1; display: flex; flex-direction: column; gap: 8px; }
.deal-title { font-size: 1rem; font-weight: 600; line-height: 1.4; }
.deal-price { font-size: 1.15rem; font-weight: 700; color: var(--primary); }
.deal-price s { color: var(--text-muted); font-weight: 400; font-size: 0.9rem; margin-left: 6px; }
.deal-btn {
  margin-top: auto;
  text-align: center;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}
.deal-btn:hover { opacity: 0.9; transform: translateY(-1px); }

/* ===== 404 PAGE ===== */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.error-code {
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 16px;
}
.error-page h2 { font-size: 1.75rem; margin-bottom: 12px; }
.error-page p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 24px;
}

/* ===== LOADER ===== */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

/* ===== UTILITIES ===== */
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.text-center { text-align: center; }

@media (max-width: 700px) {
  .dl-box { padding: 22px; margin: 24px auto; }
  .content { padding: 40px 16px; }
  .page-hero { padding: 40px 0 30px; }
}