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

:root {
  --bg: #080b14;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-glow: rgba(99,179,237,0.3);
  --text: #e8edf5;
  --text-muted: #7a8699;
  --accent: #63b3ed;
  --accent-2: #9f7aea;
  --accent-3: #68d391;
  --gradient: linear-gradient(135deg, #63b3ed 0%, #9f7aea 50%, #ed64a6 100%);
  --gradient-soft: linear-gradient(135deg, rgba(99,179,237,0.15) 0%, rgba(159,122,234,0.15) 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(99,179,237,0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

/* =============================================
   ANIMATED BACKGROUND ORBS
   ============================================= */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #1a3a6b, transparent);
  top: -200px; left: -150px;
  animation-duration: 25s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #2d1b4e, transparent);
  bottom: -100px; right: -100px;
  animation-duration: 20s;
  animation-direction: reverse;
}

.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #1a4b3a, transparent);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation-duration: 30s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -30px) scale(1.05); }
  66%       { transform: translate(-30px, 20px) scale(0.95); }
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(8,11,20,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.logo-icon {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.1rem;
}

.nav-tools-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

.nav-tools-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-glow);
  color: var(--accent);
  transform: translateY(-1px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 160px 24px 80px;
  min-height: 100vh;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(99,179,237,0.1);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 800px;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* =============================================
   COUNTDOWN
   ============================================= */
.countdown {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 48px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  min-width: 80px;
}

.countdown-num {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.countdown-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.countdown-sep {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* =============================================
   SUBSCRIBE FORM
   ============================================= */
.subscribe-form {
  width: 100%;
  max-width: 500px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 6px 6px 20px;
  transition: var(--transition);
}

.form-group:focus-within {
  border-color: var(--border-glow);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.1);
}

.form-group input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  min-width: 0;
}

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

.btn-subscribe {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--gradient);
  border: none;
  border-radius: 100px;
  color: #fff;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-subscribe:hover:not(:disabled) {
  opacity: 0.9;
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(99,179,237,0.3);
}

.btn-subscribe:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Success message */
.success-msg {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(104,211,145,0.1);
  border: 1px solid rgba(104,211,145,0.25);
  border-radius: var(--radius);
  color: var(--accent-3);
  font-weight: 500;
  margin-bottom: 20px;
  animation: fadeIn 0.4s ease;
}

.success-icon {
  font-size: 1.2rem;
  width: 28px; height: 28px;
  background: rgba(104,211,145,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* =============================================
   FEATURE CHIPS
   ============================================= */
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 32px;
}

.feature-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.feature-chip:hover {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-glow);
}

/* =============================================
   TOOLS PREVIEW SECTION
   ============================================= */
.tools-preview {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 48px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.tool-icon { font-size: 2rem; }

.tool-name {
  font-size: 0.95rem;
  font-weight: 600;
}

.tool-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

.btn-tools:hover {
  background: var(--surface-hover);
  border-color: var(--border-glow);
  color: var(--accent);
  transform: translateY(-2px);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* =============================================
   TOOLS PAGE — TAB LAYOUT
   ============================================= */
.tools-page-hero {
  position: relative;
  z-index: 1;
  padding: 120px 24px 48px;
  text-align: center;
}

.tools-page-hero .section-label { margin-bottom: 12px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: var(--transition);
}

.back-link:hover { color: var(--accent); }

.back-link svg { transform: rotate(180deg); }

/* Tabs */
.tabs-wrap {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
}

.tab-btn {
  flex: 1;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(99,179,237,0.2);
}

.tab-btn:not(.active):hover {
  background: var(--surface-hover);
  color: var(--text);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

/* Tool cards container */
.tool-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.tool-box h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* =============================================
   CALCULATOR
   ============================================= */
.calc-display {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  text-align: right;
  margin-bottom: 16px;
}

.calc-expr {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 20px;
}

.calc-result {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.calc-btn {
  padding: 16px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.calc-btn:hover { background: var(--surface-hover); border-color: var(--border-glow); }
.calc-btn:active { transform: scale(0.95); }
.calc-btn.op { color: var(--accent); }
.calc-btn.eq { background: var(--gradient); border-color: transparent; color: #fff; font-weight: 700; }
.calc-btn.eq:hover { opacity: 0.9; }
.calc-btn.clr { color: #fc8181; }
.calc-btn.span2 { grid-column: span 2; }

/* =============================================
   PASSWORD GENERATOR
   ============================================= */
.pwd-output {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.pwd-output input {
  flex: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  letter-spacing: 0.05em;
  outline: none;
}

.icon-btn {
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}

.icon-btn:hover { background: var(--surface-hover); color: var(--text); border-color: var(--border-glow); }

.pwd-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.pwd-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.88rem;
}

.pwd-option:hover { border-color: var(--border-glow); }

.pwd-option input[type=checkbox] {
  accent-color: var(--accent);
  width: 16px; height: 16px;
}

.pwd-strength {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 20px;
}

.strength-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
  transition: var(--transition);
}

.strength-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 60px;
  text-align: right;
}

.len-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.len-row label { font-size: 0.88rem; color: var(--text-muted); white-space: nowrap; }

.len-row input[type=range] {
  flex: 1;
  accent-color: var(--accent);
  height: 4px;
}

.len-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 28px;
  text-align: right;
}

/* =============================================
   CONVERTER
   ============================================= */
.converter-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  margin-bottom: 20px;
  outline: none;
  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='%237a8699' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.converter-select:focus { border-color: var(--border-glow); }

.conv-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.conv-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.conv-field label { font-size: 0.8rem; color: var(--text-muted); }

.conv-field input, .conv-field select {
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
  width: 100%;
}

.conv-field input:focus, .conv-field select:focus { border-color: var(--border-glow); }

.conv-arrow {
  font-size: 1.4rem;
  color: var(--text-muted);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.conv-arrow:hover { color: var(--accent); transform: rotate(180deg); }

/* =============================================
   LOREM IPSUM
   ============================================= */
.lorem-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 20px;
}

.lorem-ctrl {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 120px;
}

.lorem-ctrl label { font-size: 0.8rem; color: var(--text-muted); }

.lorem-ctrl select, .lorem-ctrl input[type=number] {
  padding: 10px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  width: 100%;
}

.lorem-ctrl select:focus, .lorem-ctrl input[type=number]:focus { border-color: var(--border-glow); }

.lorem-output {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-muted);
  min-height: 150px;
  max-height: 320px;
  overflow-y: auto;
  margin-bottom: 14px;
  white-space: pre-wrap;
}

/* =============================================
   SHARED BUTTON
   ============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--gradient);
  border: none;
  border-radius: 100px;
  color: #fff;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(99,179,237,0.25); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.btn-secondary:hover { background: var(--surface-hover); border-color: var(--border-glow); }

/* Copy feedback */
.copy-flash {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(104,211,145,0.15);
  border: 1px solid rgba(104,211,145,0.3);
  color: var(--accent-3);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 999;
}

.copy-flash.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =============================================
   SCROLLBAR
   ============================================= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 600px) {
  .navbar { padding: 16px 20px; }
  .hero { padding: 110px 16px 60px; }
  .hero-title { font-size: 2.2rem; }
  .countdown { gap: 4px; }
  .countdown-item { padding: 12px 14px; min-width: 64px; }
  .countdown-num { font-size: 1.6rem; }
  .form-group { flex-direction: column; border-radius: var(--radius); padding: 16px; }
  .btn-subscribe { border-radius: var(--radius-sm); justify-content: center; }
  .pwd-options { grid-template-columns: 1fr; }
  .conv-row { grid-template-columns: 1fr; }
  .conv-arrow { transform: rotate(90deg); }
  .tool-box { padding: 20px; }
  .calc-grid { gap: 6px; }
  .calc-btn { padding: 14px 6px; font-size: 0.95rem; }
}