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

:root {
  /* Couleurs AlphaTrade */
  --bg:      #070d09;
  --bg2:     #0a0f0b;
  --card:    #111a13;
  --card2:   #161f18;
  --border:  #1e2e22;
  --green:   #00C896;
  --green2:  #00a87d;
  --purple:  #7B2FBE;
  --purple2: #9B4FDE;
  --gold:    #D4AF37;
  --red:     #FF4444;
  --orange:  #F59E0B;
  --text:    #e2e8f0;
  --muted:   #64748b;
  --muted2:  #4a5568;
  --input:   #0f1a11;
  --radius:  12px;

  /* Glows */
  --glow-green:  rgba(0, 200, 150, 0.15);
  --glow-purple: rgba(123, 47, 190, 0.15);
  --glow-gold:   rgba(212, 175, 55, 0.15);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }

/* ── CANVAS ANIMATION BACKGROUND ─────────────────────────────────────────── */
#bg-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
body > *:not(#bg-canvas):not(.nav) { position: relative; z-index: 1; }

/* Ancres : compenser la hauteur de la nav fixe */
section[id] { scroll-margin-top: 84px; }

/* ── Navbar ─────────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(7, 13, 9, 0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 68px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 800; color: var(--green); letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav-logo img { height: 32px; width: 32px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; color: var(--muted); transition: color .2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

/* ── Boutons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: all .25s;
  white-space: nowrap; text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green2));
  color: #07100b; box-shadow: 0 4px 15px var(--glow-green);
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(0,200,150,0.4); }
.btn-purple {
  background: linear-gradient(135deg, var(--purple), var(--purple2));
  color: #fff; box-shadow: 0 4px 15px var(--glow-purple);
}
.btn-purple:hover { box-shadow: 0 6px 24px rgba(123,47,190,0.4); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), #b8962e);
  color: #07100b; box-shadow: 0 4px 15px var(--glow-gold);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); transition: all .25s;
}
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 10px; }
.btn-full { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 13px; }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 5% 80px;
}
.hero-inner { max-width: 900px; margin: 0 auto; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--glow-green); border: 1px solid rgba(0,200,150,0.3);
  color: var(--green); padding: 7px 18px; border-radius: 20px;
  font-size: 13px; font-weight: 600; margin-bottom: 32px;
  animation: fadeInDown .8s ease both;
}
.hero-badge .dot {
  width: 7px; height: 7px; background: var(--green); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 86px);
  font-weight: 900; line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 24px;
  animation: fadeInUp .8s .1s ease both;
}
.hero h1 .green { color: var(--green); }
.hero h1 .gold  { color: var(--gold); }

.hero-sub {
  font-size: clamp(16px, 2vw, 20px); color: var(--muted);
  max-width: 620px; margin: 0 auto 44px;
  animation: fadeInUp .8s .2s ease both;
}
.hero-actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 64px; animation: fadeInUp .8s .3s ease both;
}

.hero-stats {
  display: flex; gap: 0; justify-content: center; flex-wrap: wrap;
  border: 1px solid var(--border); border-radius: 14px;
  background: rgba(17,26,19,0.6); backdrop-filter: blur(8px);
  animation: fadeInUp .8s .4s ease both; overflow: hidden;
}
.hero-stat {
  flex: 1; min-width: 120px; text-align: center; padding: 20px 24px;
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; }
.hero-stat-value { font-size: clamp(22px, 3vw, 32px); font-weight: 800; color: var(--green); }
.hero-stat-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ── Sections ───────────────────────────────────────────────────────────── */
.section { padding: 100px 5%; }
.section-center { text-align: center; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--green); font-weight: 700; margin-bottom: 14px;
  background: var(--glow-green); padding: 4px 12px; border-radius: 20px;
  border: 1px solid rgba(0,200,150,0.2);
}
.section h2 {
  font-size: clamp(28px, 4vw, 48px); font-weight: 800;
  margin-bottom: 18px; letter-spacing: -0.5px;
}
.section p.lead {
  color: var(--muted); font-size: clamp(15px, 1.5vw, 18px);
  max-width: 620px; margin: 0 auto 56px;
}

/* ── Features grid (3×2) ─────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; transition: all .3s; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--purple));
  opacity: 0; transition: opacity .3s;
}
.feature-card:hover { border-color: rgba(0,200,150,0.3); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,200,150,0.08); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--glow-green); border: 1px solid rgba(0,200,150,0.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 26px; height: 26px; stroke: var(--green); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ── Steps ──────────────────────────────────────────────────────────────── */
.steps-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.steps-grid::before {
  content: ''; position: absolute; top: 36px; left: 12.5%; right: 12.5%; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--purple), var(--gold));
  z-index: 0;
}
@media (max-width: 768px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } .steps-grid::before { display: none; } }

.step { padding: 0 20px 32px; text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--card); border: 2px solid var(--green);
  color: var(--green); font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; position: relative; z-index: 2;
  box-shadow: 0 0 20px var(--glow-green);
}
.step h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.step p  { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ── Pricing ────────────────────────────────────────────────────────────── */
.pricing-toggle { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 52px; }
.pricing-toggle span { font-size: 14px; color: var(--muted); font-weight: 500; }
.toggle-wrap input { display: none; }
.toggle-track {
  display: block; width: 50px; height: 28px; background: var(--border); border-radius: 14px;
  cursor: pointer; transition: background .3s; position: relative;
}
.toggle-track::after {
  content: ''; position: absolute; top: 4px; left: 4px;
  width: 20px; height: 20px; background: #fff; border-radius: 50%; transition: left .3s;
}
.toggle-wrap input:checked + .toggle-track { background: var(--green); }
.toggle-wrap input:checked + .toggle-track::after { left: 26px; }
.badge-save {
  background: var(--glow-gold); color: var(--gold);
  border: 1px solid rgba(212,175,55,0.3); padding: 2px 10px;
  border-radius: 20px; font-size: 12px; font-weight: 600;
}

.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 1100px; margin: 0 auto;
}
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; max-width: 420px; } }

.pricing-grid-4 {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1300px;
}
@media (max-width: 1200px) { .pricing-grid-4 { grid-template-columns: repeat(2, 1fr); max-width: 760px; } }
@media (max-width: 600px)  { .pricing-grid-4 { grid-template-columns: 1fr; max-width: 420px; } }

.premium-card {
  border-color: rgba(212,175,55,0.35);
  background: linear-gradient(160deg, #111a13 0%, #1a1508 100%);
  box-shadow: 0 0 32px rgba(212,175,55,0.08);
}

/* ── OS Download Buttons ──────────────────────────────────────────────── */
.os-btn-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 20px; text-align: center; cursor: pointer; position: relative;
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.os-btn-card:hover {
  border-color: var(--green); box-shadow: 0 0 24px var(--glow-green);
  transform: translateY(-3px);
}
.os-btn-disabled {
  cursor: not-allowed; opacity: .6;
}
.os-btn-disabled:hover { border-color: var(--border); box-shadow: none; transform: none; }
.os-badge {
  display: inline-block; margin-top: 10px; padding: 3px 10px;
  background: rgba(0,200,150,0.12); color: var(--green);
  border-radius: 20px; font-size: 11px; font-weight: 700; letter-spacing: .5px;
}
.os-badge-soon {
  background: rgba(212,175,55,0.12); color: var(--gold);
}

.pricing-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 32px; position: relative; transition: all .3s;
  display: flex; flex-direction: column;
}
.pricing-card .plan-features { flex: 1; }
.pricing-card > a, .pricing-card > button { margin-top: auto; }
.pricing-card:hover { transform: translateY(-6px); }
.pricing-card.featured {
  border-color: var(--green); background: linear-gradient(135deg, #111a13, #0d1f10);
  box-shadow: 0 0 40px rgba(0,200,150,0.1);
}
.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--green), var(--green2));
  color: #07100b; padding: 5px 18px; border-radius: 20px;
  font-size: 12px; font-weight: 800; white-space: nowrap; letter-spacing: .5px;
}
.plan-name { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin-bottom: 10px; }
.plan-price { font-size: clamp(36px, 4vw, 52px); font-weight: 900; line-height: 1; margin-bottom: 4px; color: var(--green); }
.plan-price span { font-size: 16px; font-weight: 500; color: var(--muted); }
.plan-period { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.plan-capital {
  font-size: 13px; color: var(--muted); margin-bottom: 24px;
  padding: 12px; background: var(--bg); border-radius: 8px; line-height: 1.5;
}
.plan-capital strong { color: var(--text); display: block; margin-bottom: 2px; }
.plan-features { list-style: none; margin-bottom: 24px; }
.plan-features li {
  padding: 10px 0; font-size: 14px; color: var(--muted);
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li .check { color: var(--green); font-size: 16px; flex-shrink: 0; font-weight: 700; }
.plan-features li .cross { color: var(--muted2); font-size: 16px; flex-shrink: 0; }
.plan-features li.active { color: var(--text); }

/* ── CTA ────────────────────────────────────────────────────────────────── */
.cta-section {
  padding: 100px 5%; text-align: center;
  background: linear-gradient(135deg, rgba(0,200,150,0.04), rgba(123,47,190,0.04));
  border-top: 1px solid var(--border);
}
.cta-section h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; margin-bottom: 16px; }
.cta-section p { color: var(--muted); font-size: clamp(15px, 1.5vw, 18px); margin-bottom: 40px; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 56px 5% 28px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { height: 28px; }
.footer-logo span { font-size: 20px; font-weight: 800; color: var(--green); }
.footer-desc { font-size: 14px; color: var(--muted); line-height: 1.8; max-width: 280px; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 18px; color: var(--muted2); }
.footer-col a { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted2);
}
@media (max-width: 600px) { .footer-bottom { flex-direction: column; gap: 8px; text-align: center; } }

/* ── Auth / Forms ───────────────────────────────────────────────────────── */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 100px 5% 60px; }
.auth-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 44px 40px; width: 500px; max-width: 100%;
}
.auth-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.auth-logo img { height: 36px; }
.auth-logo span { font-size: 22px; font-weight: 800; color: var(--green); }
.auth-box h1 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.auth-box .sub { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.form-input {
  width: 100%; padding: 11px 14px; background: var(--input);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  font-size: 14px; outline: none; transition: border .2s;
}
.form-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,200,150,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-phone-row { display: grid; grid-template-columns: 130px 1fr; gap: 10px; }
.form-link { font-size: 13px; color: var(--muted); text-align: center; margin-top: 20px; }
.form-link a { color: var(--green); font-weight: 600; }
.form-error   { color: #FF4444; font-size: 13px; margin-top: 10px; padding: 10px; background: rgba(255,68,68,0.08); border-radius: 6px; display: none; }
.form-success { color: var(--green); font-size: 13px; margin-top: 10px; padding: 10px; background: var(--glow-green); border-radius: 6px; display: none; }
.divider-line { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── Verification code step ─────────────────────────────────────────────── */
.verify-box { text-align: center; }
.code-inputs { display: flex; gap: 10px; justify-content: center; margin: 24px 0; }
.code-input {
  width: 52px; height: 62px; text-align: center; font-size: 28px; font-weight: 700;
  background: var(--input); border: 2px solid var(--border); border-radius: 10px;
  color: var(--text); outline: none; transition: border .2s;
}
.code-input:focus { border-color: var(--green); }

/* ── Dashboard client ───────────────────────────────────────────────────── */
.dashboard-page { min-height: 100vh; padding-top: 68px; }
.dashboard-hero { background: var(--card2); border-bottom: 1px solid var(--border); padding: 44px 5%; }
.dashboard-hero h1 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; }
.dashboard-hero p { font-size: 14px; color: var(--muted); margin-top: 4px; }
.dashboard-body { padding: 36px 5%; max-width: 1150px; margin: 0 auto; display: grid; grid-template-columns: 1fr 340px; gap: 24px; }
@media (max-width: 900px) { .dashboard-body { grid-template-columns: 1fr; } }
.dash-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 20px; }
.dash-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--text); }
.dash-stat { display: flex; justify-content: space-between; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.dash-stat:last-child { border-bottom: none; }
.dash-stat-label { color: var(--muted); }
.dash-stat-value { font-weight: 600; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-green  { background: rgba(0,200,150,0.12);  color: var(--green); }
.badge-red    { background: rgba(255,68,68,0.12);  color: #FF4444; }
.badge-purple { background: rgba(123,47,190,0.12); color: var(--purple2); }
.badge-gold   { background: var(--glow-gold);       color: var(--gold); }

/* ── Download ───────────────────────────────────────────────────────────── */
.download-card {
  background: linear-gradient(135deg, var(--card), #0d1f10);
  border: 1px solid rgba(0,200,150,0.3); border-radius: var(--radius);
  padding: 40px; text-align: center;
  box-shadow: 0 0 40px rgba(0,200,150,0.06);
}
.download-card h2 { font-size: 22px; font-weight: 800; margin-bottom: 10px; }
.download-card p  { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.system-req { font-size: 12px; color: var(--muted2); margin-top: 14px; }

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes fadeInUp   { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.9)} }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Payments row ───────────────────────────────────────────────────────── */
.payment-methods { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.payment-chip {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 16px; font-size: 13px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 7px;
}
.payment-chip svg { width: 18px; height: 18px; }

/* ── Notif toast ────────────────────────────────────────────────────────── */
#notif {
  position: fixed; bottom: 28px; right: 28px; padding: 14px 22px;
  border-radius: 10px; font-size: 14px; font-weight: 600;
  display: none; z-index: 9999; box-shadow: 0 4px 24px rgba(0,0,0,.5);
  animation: fadeInUp .3s ease;
}

/* ── Mobile ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { letter-spacing: -1px; }
  .hero-stats { border-radius: 10px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .auth-box { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .form-phone-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .hero-stat { padding: 16px 12px; }
}