/* ============================================
   NimitExpo AlgoTrading — Master Stylesheet
   Light Theme (AlgoRooms-style)
   ============================================ */

/* === VARIABLES === */
:root {
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fb;
  --bg-input: #f5f7fa;
  --border: #e5e7eb;
  --border-light: #d1d5db;
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.15);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.15);
  --accent-blue: #4361ee;
  --accent-blue-glow: rgba(67, 97, 238, 0.15);
  --accent-yellow: #f59e0b;
  --accent-yellow-glow: rgba(245, 158, 11, 0.15);
  --accent-purple: #7c3aed;
  --gradient-main: linear-gradient(135deg, #4361ee, #7c3aed);
  --gradient-green: linear-gradient(135deg, #10b981, #059669);
  --gradient-red: linear-gradient(135deg, #ef4444, #dc2626);
  --gradient-gold: linear-gradient(135deg, #f59e0b, #d97706);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-glow-blue: 0 2px 12px rgba(67,97,238,0.15);
  --shadow-glow-green: 0 2px 12px rgba(16,185,129,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: var(--accent-blue); text-decoration: none; transition: var(--transition); }
a:hover { color: #3451d1; }

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

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #c4c9d4; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a0a6b4; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-blue { color: var(--accent-blue); }
.text-yellow { color: var(--accent-yellow); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

/* === NAVBAR (Landing) === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.4rem; font-weight: 800;
  color: var(--text-primary); text-decoration: none;
}

.nav-logo .logo-icon {
  width: 40px; height: 40px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff;
}

.nav-logo span.highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; transition: var(--transition); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }

.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-main); border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 12px; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border: none; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); text-decoration: none; white-space: nowrap;
  font-family: inherit;
}

.btn-primary { background: var(--accent-blue); color: #fff; box-shadow: var(--shadow-glow-blue); }
.btn-primary:hover { background: #3451d1; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(67,97,238,0.25); color: #fff; }

.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--bg-primary); border-color: var(--accent-blue); color: var(--accent-blue); }

.btn-green { background: var(--accent-green); color: #fff; }
.btn-green:hover { background: #059669; transform: translateY(-2px); color: #fff; }

.btn-red { background: var(--accent-red); color: #fff; }
.btn-red:hover { background: #dc2626; transform: translateY(-2px); color: #fff; }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1.1rem; }
.btn-icon { padding: 10px; border-radius: var(--radius-sm); }

/* === HERO === */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 120px 24px 80px;
  background: #fff;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

.hero-bg::before {
  content: ''; position: absolute;
  top: -50%; right: -20%; width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(67,97,238,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-bg::after {
  content: ''; position: absolute;
  bottom: -30%; left: -10%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(67,97,238,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,97,238,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}

.hero-text { max-width: 580px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(67,97,238,0.08); border: 1px solid rgba(67,97,238,0.15);
  padding: 6px 16px; border-radius: 20px; font-size: 0.85rem;
  color: var(--accent-blue); margin-bottom: 24px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-text h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 24px; letter-spacing: -0.02em; color: #1a1a2e; }
.hero-text p { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.7; }

.hero-stats { display: flex; gap: 40px; margin-top: 48px; }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 2rem; font-weight: 800; background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.hero-visual { position: relative; }

.hero-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-lg);
}

.hero-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.hero-card-header h4 { font-size: 0.9rem; color: var(--text-secondary); }
.hero-card .live-badge {
  display: flex; align-items: center; gap: 6px;
  background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2);
  padding: 4px 12px; border-radius: 12px; font-size: 0.75rem;
  color: var(--accent-green); font-weight: 600;
}
.hero-card .live-dot { width: 6px; height: 6px; background: var(--accent-green); border-radius: 50%; animation: pulse 1.5s infinite; }

.chart-placeholder { height: 200px; background: linear-gradient(180deg, rgba(16,185,129,0.04) 0%, transparent 100%); border-radius: var(--radius-sm); position: relative; overflow: hidden; margin-bottom: 20px; }
.chart-line { position: absolute; bottom: 20%; left: 0; right: 0; height: 2px; }
.chart-line svg { width: 100%; height: 120px; position: absolute; bottom: 0; }

.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hero-metric { text-align: center; padding: 12px; background: var(--bg-primary); border-radius: var(--radius-sm); }
.hero-metric .val { font-size: 1.2rem; font-weight: 700; }
.hero-metric .lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.float-card {
  position: absolute; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 14px 18px;
  box-shadow: var(--shadow-md); animation: float 4s ease-in-out infinite; z-index: 2;
}
.float-card.fc-1 { top: 10%; right: -40px; animation-delay: 0s; }
.float-card.fc-2 { bottom: 15%; left: -30px; animation-delay: 1.5s; }
.float-card.fc-3 { top: 40%; right: -60px; animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.float-card .fc-row { display: flex; align-items: center; gap: 10px; }
.float-card .fc-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.float-card .fc-icon.green { background: rgba(16,185,129,0.1); color: var(--accent-green); }
.float-card .fc-icon.blue { background: rgba(67,97,238,0.1); color: var(--accent-blue); }
.float-card .fc-icon.yellow { background: rgba(245,158,11,0.1); color: var(--accent-yellow); }
.float-card .fc-text { font-size: 0.8rem; }
.float-card .fc-text strong { display: block; font-size: 0.9rem; color: var(--text-primary); }

/* === SECTIONS === */
.section { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--accent-blue); font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.section-header h2 { font-size: 2.4rem; margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* === FEATURE CARDS === */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-main); opacity: 0; transition: opacity 0.3s; }
.feature-card:hover { border-color: var(--accent-blue); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { opacity: 1; }

.feature-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; }
.feature-icon.blue { background: rgba(67,97,238,0.08); color: var(--accent-blue); }
.feature-icon.green { background: rgba(16,185,129,0.08); color: var(--accent-green); }
.feature-icon.purple { background: rgba(124,58,237,0.08); color: var(--accent-purple); }
.feature-icon.yellow { background: rgba(245,158,11,0.08); color: var(--accent-yellow); }
.feature-icon.red { background: rgba(239,68,68,0.08); color: var(--accent-red); }

.feature-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.feature-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }

/* === BROKERS === */
.brokers-row { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 40px; }
.broker-badge { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 24px 32px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); transition: var(--transition); min-width: 140px; }
.broker-badge:hover { border-color: var(--accent-blue); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.broker-badge .b-icon { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 800; }
.broker-badge .b-icon.angel { background: linear-gradient(135deg, #ff6b35, #ff8f00); color: #fff; }
.broker-badge .b-icon.fyers { background: linear-gradient(135deg, #1a73e8, #4285f4); color: #fff; }
.broker-badge .b-icon.dhan { background: linear-gradient(135deg, #00bfa5, #00e676); color: #fff; }
.broker-badge .b-icon.fivepaisa { background: linear-gradient(135deg, #7b1fa2, #ab47bc); color: #fff; }
.broker-badge .b-name { font-weight: 600; font-size: 0.95rem; }
.broker-badge .b-status { font-size: 0.75rem; color: var(--accent-green); display: flex; align-items: center; gap: 4px; }

/* === STEPS === */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-grid::before { content: ''; position: absolute; top: 48px; left: 15%; right: 15%; height: 2px; background: linear-gradient(90deg, var(--border), var(--accent-blue), var(--border)); z-index: 0; }
.step-card { text-align: center; position: relative; z-index: 1; }
.step-num { width: 56px; height: 56px; margin: 0 auto 20px; background: var(--accent-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800; color: #fff; box-shadow: var(--shadow-glow-blue); }
.step-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { color: var(--text-secondary); font-size: 0.88rem; }

/* === SAFETY === */
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { display: flex; align-items: flex-start; gap: 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; transition: var(--transition); }
.safety-card:hover { border-color: var(--accent-green); box-shadow: var(--shadow-md); }
.safety-icon { width: 44px; height: 44px; min-width: 44px; border-radius: 10px; background: rgba(16,185,129,0.08); color: var(--accent-green); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.safety-card h4 { font-size: 1rem; margin-bottom: 4px; }
.safety-card p { color: var(--text-secondary); font-size: 0.88rem; }

/* === CTA === */
.cta-section { text-align: center; padding: 80px 24px; max-width: 700px; margin: 0 auto; }
.cta-section h2 { font-size: 2.2rem; margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 36px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; }

/* === FOOTER === */
.footer { border-top: 1px solid var(--border); padding: 40px 24px; text-align: center; background: #fff; }
.footer-content { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text-primary); }

/* === MOBILE HAMBURGER === */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text { max-width: 100%; }
  .hero-text h1 { font-size: 2.5rem; }
  .hero-visual { display: none; }
  .hero-stats { justify-content: center; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid::before { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 24px; gap: 16px; box-shadow: var(--shadow-md); }
  .hero { padding: 100px 16px 60px; }
  .hero-text h1 { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
  .features-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.8rem; }
  .brokers-row { gap: 16px; }
  .broker-badge { min-width: 100px; padding: 16px; }
  .footer-content { flex-direction: column; gap: 16px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .nav-cta { display: none; }
}

/* === ANIMATIONS === */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.phase-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.phase-badge.paper { background: rgba(16,185,129,0.08); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.2); }
.phase-badge.live { background: rgba(239,68,68,0.08); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.2); }

/* === MODE BANNER === */
.mode-banner { position: fixed; top: 0; left: 0; right: 0; z-index: 9999; text-align: center; padding: 6px; font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; }
.mode-banner.paper { background: var(--accent-green); color: #fff; }
.mode-banner.live { background: var(--accent-red); color: #fff; animation: blink-border 2s infinite; }
@keyframes blink-border { 0%, 100% { box-shadow: none; } 50% { box-shadow: 0 0 20px rgba(239,68,68,0.3); } }

body { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.glass { background: rgba(255,255,255,0.9); backdrop-filter: blur(12px); border: 1px solid var(--border); }
.glow-hover:hover { text-shadow: 0 0 20px rgba(67,97,238,0.3); }

.feature-card, .broker-badge, .step-card, .safety-card, .stat-card, .broker-card, .strategy-card, .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

@keyframes countUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.stat-value, .hero-stat .num { animation: countUp 0.6s ease forwards; }
.live-badge, .live-dot { animation: pulse 2s infinite; }
.data-table tr { transition: background 0.2s ease; }
.btn:active { transform: scale(0.97); }

.form-input:focus, .form-control:focus {
  box-shadow: 0 0 0 3px rgba(67,97,238,0.1);
}

.form-control:disabled { opacity: 0.65; cursor: default; border-color: var(--border); background: var(--bg-input); color: var(--text-secondary); }
.form-control.editing { border-color: var(--accent-blue); background: rgba(67,97,238,0.03); color: var(--text-primary); cursor: text; }

.badge { position: relative; overflow: hidden; }
.nav-item { transition: all 0.2s ease; }
.nav-item:hover { padding-left: 16px; }
.nav-item.active { padding-left: 16px; }

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: #ddd; border-radius: 2px; }

.kill-switch { animation: killPulse 3s infinite; }
@keyframes killPulse { 0%, 100% { box-shadow: none; } 50% { box-shadow: 0 0 10px rgba(239,68,68,0.15); } }

.hero-bg::before { animation: bgFloat 8s ease-in-out infinite; }
@keyframes bgFloat { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-20px, 20px); } }

::selection { background: rgba(67,97,238,0.2); color: var(--text-primary); }