/* =========================================================
  THE TRADER KOUSHIK — STYLESHEET
   Structure:
   1. Design tokens
   2. Reset & base
   3. Layout utilities
   4. Background fx
   5. Navbar
   6. Buttons / badges / fields
   7. Hero + terminal
   8. Ticker
   9. About
   10. Philosophy
   11. Framework
   12. Performance
   13. Journal
   14. Calculator
   15. Education
   16. Testimonials
   17. CTA
   18. Contact
   19. Footer
   20. Modal / Toast
   21. Reveal animation
   22. Responsive
   ========================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  /* color */
  --bg:            #07090a;
  --bg-elevated:   #0d1113;
  --surface:       rgba(255,255,255,0.035);
  --surface-strong:rgba(255,255,255,0.06);
  --border:        rgba(255,255,255,0.09);
  --border-strong: rgba(255,255,255,0.16);

  --text:          #eef2f0;
  --text-muted:    #93999c;
  --text-faint:    #5c6366;

  --emerald:       #17d98e;
  --emerald-dim:   #0c8f5e;
  --emerald-deep:  #082e21;
  --emerald-glow:  rgba(23,217,142,0.35);

  --gold:          #d4af6a;
  --gold-soft:     rgba(212,175,106,0.14);

  --red:           #f2555c;
  --red-soft:      rgba(242,85,92,0.14);

  /* type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* layout */
  --max-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --nav-h: 76px;

  --ease: cubic-bezier(.22,.8,.32,1);
}

/* ---------- 2. RESET & BASE ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; line-height:1.1; letter-spacing:-0.01em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,textarea{ font-family:inherit; }
img{ max-width:100%; display:block; }
:focus-visible{ outline:2px solid var(--emerald); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- 3. LAYOUT UTILITIES ---------- */
.section-inner{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 32px;
}
main > section{ padding:120px 0; position:relative; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:0.14em;
  color:var(--emerald);
  margin:0 0 18px;
  text-transform:uppercase;
}
.eyebrow--center{ text-align:center; }
.eyebrow__dot{ color:var(--text-faint); margin:0 2px; }
.section-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:600;
  margin-bottom:20px;
  max-width:720px;
}
.section-title--center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-lede{
  color:var(--text-muted);
  max-width:600px;
  font-size:17px;
  margin-bottom:56px;
}
.fine-print{
  font-size:13px;
  color:var(--text-faint);
  margin-top:14px;
}
.courses__inner{ display:flex; align-items:end; justify-content:space-between; gap:40px; }
.courses__action{ display:flex; flex-direction:column; align-items:flex-start; gap:16px; padding-bottom:6px; }
.courses__status{ color:var(--gold); font:500 11px var(--font-mono); letter-spacing:.08em; }

/* ---------- 15. GALLERY ---------- */
.gallery{ background:rgba(255,255,255,0.012); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.gallery-grid{ display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:180px; gap:14px; }
.gallery-tile{
  position:relative; min-height:180px; overflow:hidden; display:flex; align-items:flex-end; justify-content:space-between;
  padding:18px; border:1px solid var(--border); border-radius:var(--radius-md);
  background:linear-gradient(135deg, rgba(23,217,142,.18), rgba(13,17,19,.9) 60%), repeating-linear-gradient(135deg, transparent 0 18px, rgba(255,255,255,.035) 19px 20px);
  transition:transform .25s var(--ease), border-color .25s var(--ease);
}
.gallery-tile{ color:inherit; font:inherit; text-align:left; cursor:zoom-in; }
.gallery-tile:nth-child(2){ background:linear-gradient(160deg, rgba(212,175,106,.22), rgba(13,17,19,.92) 65%), repeating-linear-gradient(45deg, transparent 0 18px, rgba(255,255,255,.035) 19px 20px); }
.gallery-tile:nth-child(3),.gallery-tile:nth-child(6){ background:linear-gradient(135deg, rgba(242,85,92,.16), rgba(13,17,19,.92) 65%), repeating-linear-gradient(135deg, transparent 0 18px, rgba(255,255,255,.035) 19px 20px); }
.gallery-tile:hover{ transform:translateY(-4px); border-color:var(--emerald); }
.gallery-tile img{ position:absolute; inset:0; width:100%; height:100%; max-width:none; object-fit:contain; background:#0a0e10; transition:transform .5s var(--ease), filter .5s var(--ease); }
.gallery-tile::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(7,9,10,.18), transparent 45%, rgba(7,9,10,.72)); pointer-events:none; }
.gallery-tile:hover img{ transform:scale(1.04); filter:saturate(1.08); }
.gallery-tile--wide{ grid-column:span 2; }
.gallery-tile--tall{ grid-row:span 2; }
.gallery-tile__index{ position:absolute; z-index:1; top:16px; left:18px; color:var(--text); font:600 24px var(--font-display); text-shadow:0 2px 12px rgba(0,0,0,.6); }
.gallery-tile__label{ color:var(--text-muted); font:500 10px var(--font-mono); letter-spacing:.1em; }
.gallery-lightbox__dialog{ position:relative; z-index:1; width:min(92vw, 1100px); max-height:92vh; padding:18px; background:var(--bg-elevated); border:1px solid var(--border-strong); border-radius:var(--radius-lg); box-shadow:0 30px 90px rgba(0,0,0,.75); }
.gallery-lightbox__image{ width:100%; max-height:78vh; object-fit:contain; border-radius:var(--radius-sm); }
.gallery-lightbox__title{ margin:12px 0 0; color:var(--text-muted); font:500 12px var(--font-mono); letter-spacing:.08em; text-transform:uppercase; }

/* ---------- 4. BACKGROUND FX ---------- */
.bg-grid{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
}
.bg-glow{
  position:fixed; z-index:0; pointer-events:none; border-radius:50%;
  filter:blur(120px); opacity:0.22;
}
.bg-glow--emerald{ width:640px; height:640px; top:-200px; right:-160px; background:var(--emerald); }
.bg-glow--gold{ width:520px; height:520px; bottom:10%; left:-200px; background:var(--gold); opacity:0.10; }
.bg-noise{
  position:fixed; inset:0; z-index:1; pointer-events:none; opacity:0.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer{ position:relative; z-index:2; }

/* ---------- 6. BUTTONS / BADGES / FIELDS ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:15px;
  padding:14px 26px; border-radius:999px; border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg, var(--emerald) 0%, var(--emerald-dim) 100%);
  color:#04140d;
  box-shadow:0 0 0 1px rgba(23,217,142,0.25), 0 12px 30px -10px var(--emerald-glow);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 0 0 1px rgba(23,217,142,0.4), 0 16px 34px -8px var(--emerald-glow); }
.btn--ghost{
  background:var(--surface); border-color:var(--border); color:var(--text);
}
.btn--ghost:hover{ border-color:var(--border-strong); background:var(--surface-strong); transform:translateY(-2px); }
.btn--sm{ padding:10px 18px; font-size:13.5px; }
.btn--full{ width:100%; }
.btn__arrow{ transition:transform .25s var(--ease); display:inline-block; }
.btn:hover .btn__arrow{ transform:translateX(3px); }

.badge{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-mono); font-size:11.5px; font-weight:500; letter-spacing:0.06em;
  padding:7px 14px; border-radius:999px; text-transform:uppercase;
}
.badge--demo{ background:var(--gold-soft); color:var(--gold); border:1px solid rgba(212,175,106,0.3); }
.badge--live{ background:var(--emerald-deep); color:var(--emerald); border:1px solid rgba(23,217,142,0.3); }
.live-dot{ display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--emerald); box-shadow:0 0 0 4px rgba(23,217,142,0.12); animation:live-pulse 1.8s ease-in-out infinite; }
@keyframes live-pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.45; } }
.badge--outline{ background:var(--surface); border:1px solid var(--border); color:var(--text-muted); margin-bottom:40px; }
.badge--center{ display:flex; width:fit-content; margin-left:auto; margin-right:auto; }

.field{ display:flex; flex-direction:column; gap:8px; }
.field__label{ font-size:13px; color:var(--text-muted); font-weight:500; }
.field__input{
  background:var(--bg-elevated); border:1px solid var(--border); color:var(--text);
  border-radius:var(--radius-sm); padding:13px 15px; font-size:15px;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.field__input:focus{ border-color:var(--emerald); background:#0f1416; }
.field__input--area{ resize:vertical; min-height:120px; }
.field__error{ min-height:18px; color:var(--red); font-size:12px; }
.form-honeypot{ position:absolute; left:-9999px; }

/* ---------- 5. NAVBAR ---------- */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:var(--nav-h);
  background:rgba(7,9,10,0.5);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease);
}
.navbar.is-scrolled{ background:rgba(7,9,10,0.86); border-bottom-color:var(--border); }
.navbar__inner{
  max-width:var(--max-w); margin:0 auto; padding:0 32px; height:100%;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.navbar__logo{ display:flex; align-items:center; gap:10px; }
.navbar__logo-mark{
  width:34px; height:34px; border-radius:9px; display:grid; place-items:center;
  object-fit:contain;
}
.navbar__logo-text{ font-family:var(--font-display); font-size:14.5px; letter-spacing:0.04em; color:var(--text-muted); }
.navbar__logo-text strong{ color:var(--text); font-weight:600; }
.navbar__nav{ display:flex; align-items:center; gap:34px; }
.navbar__link{
  font-size:14.5px; color:var(--text-muted); font-weight:500; position:relative; padding:4px 0;
  transition:color .2s var(--ease);
}
.navbar__link::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px; background:var(--emerald);
  transform:scaleX(0); transform-origin:left; transition:transform .25s var(--ease);
}
.navbar__link:hover{ color:var(--text); }
.navbar__link:hover::after{ transform:scaleX(1); }
.navbar__actions{ display:flex; align-items:center; gap:18px; }
.navbar__burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:var(--surface); border:1px solid var(--border);
  border-radius:8px; padding:0;
}
.navbar__burger span{ display:block; height:2px; width:16px; margin:0 auto; background:var(--text); transition:transform .3s var(--ease), opacity .3s var(--ease); }
.navbar__burger.is-active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.navbar__burger.is-active span:nth-child(2){ opacity:0; }
.navbar__burger.is-active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- 7. HERO + TERMINAL ---------- */
.hero{ padding-top:calc(var(--nav-h) + 72px); padding-bottom:80px; }
.hero__inner{
  max-width:var(--max-w); margin:0 auto; padding:0 32px;
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.hero__headline{
  font-size:clamp(38px,5.2vw,60px); font-weight:600; margin:20px 0 22px; color:var(--text);
}
.hero__sub{ color:var(--text-muted); font-size:17px; max-width:460px; margin-bottom:34px; }
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:20px; }
.hero__disclaimer{ font-size:12.5px; color:var(--text-faint); max-width:420px; }

.hero__visual{ position:relative; }
.terminal{
  background:linear-gradient(180deg, var(--bg-elevated) 0%, #0a0e10 100%);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:0 30px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow:hidden;
}
.terminal__bar{
  display:flex; align-items:center; gap:12px; padding:14px 18px;
  border-bottom:1px solid var(--border); background:rgba(255,255,255,0.015);
}
.terminal__dots{ display:flex; gap:6px; }
.terminal__dots span{ width:9px; height:9px; border-radius:50%; background:var(--border-strong); }
.terminal__title{ font-family:var(--font-mono); font-size:12.5px; color:var(--text-muted); letter-spacing:0.04em; }
.terminal__title-dim{ color:var(--emerald); }
.terminal__bar .badge{ margin-left:auto; }
.terminal__chart{ position:relative; padding:18px 18px 0; isolation:isolate; }
.terminal__chart::before{ content:""; position:absolute; inset:18px 18px 0; z-index:-1; background:radial-gradient(circle at 72% 48%, rgba(23,217,142,.1), transparent 42%); pointer-events:none; }
.terminal__chart canvas{ width:100%; height:auto; display:block; opacity:.9; }
.terminal__price{
  position:absolute; top:30px; left:30px; z-index:2; display:flex; flex-direction:column; gap:2px;
  max-width:calc(100% - 60px); padding:10px 14px 11px; border:1px solid rgba(23,217,142,.16); border-radius:10px;
  background:rgba(7,9,10,.62); backdrop-filter:blur(7px); box-shadow:0 12px 26px rgba(0,0,0,.2);
  font-family:var(--font-mono);
}
.terminal__price-label{ font-size:11px; color:var(--text-faint); letter-spacing:0.08em; }
.terminal__price-value{ font-size:26px; font-weight:600; color:var(--text); font-variant-numeric:tabular-nums; }
.terminal__price-change{ font-size:12.5px; font-weight:600; }
.terminal__price-change--up{ color:var(--emerald); }
.terminal__price-change--down{ color:var(--red); }
.terminal__symbol-select{ width:max-content; max-width:100%; background:transparent; border:0; color:var(--text); font:600 20px var(--font-mono); padding:0; }
.terminal__symbol-select option{ background:var(--bg-elevated); color:var(--text); }
.terminal__quote-meta{ color:var(--text-faint); font-size:10px; }
.chart-controls{ position:relative; z-index:2; display:flex; gap:5px; margin:0 0 12px; }
.chart-controls__button{ background:transparent; border:1px solid var(--border); border-radius:6px; color:var(--text-muted); font:600 11px var(--font-mono); padding:5px 8px; }
.chart-controls__button:hover,.chart-controls__button.is-active{ color:var(--emerald); border-color:var(--emerald); }
.terminal__pairs{ padding:16px 18px 20px; display:flex; flex-direction:column; gap:2px; }
.pair-row{
  display:flex; align-items:center; gap:14px; padding:10px 10px; border-radius:8px;
  transition:background .2s var(--ease);
  font-family:var(--font-mono); font-size:13px;
}
.pair-row:hover{ background:var(--surface); }
.pair-row__name{ color:var(--text-muted); width:80px; }
.pair-row__price{ flex:1; color:var(--text); font-variant-numeric:tabular-nums; }
.pair-row__change{ font-weight:600; font-variant-numeric:tabular-nums; }
.pair-row__change--up{ color:var(--emerald); }
.pair-row__change--down{ color:var(--red); }
.pair-row__updated{ color:var(--text-faint); font-size:10px; white-space:nowrap; }

.float-card{
  position:absolute; display:flex; flex-direction:column; gap:2px;
  background:rgba(13,17,19,0.85); backdrop-filter:blur(10px);
  border:1px solid var(--border); border-radius:var(--radius-md);
  padding:14px 18px; box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);
  animation:float 6s ease-in-out infinite;
}
.float-card--1{ top:-24px; right:20px; animation-delay:0s; }
.float-card--2{ bottom:-22px; left:-24px; animation-delay:1.4s; }
.float-card__label{ font-size:10.5px; color:var(--text-faint); font-family:var(--font-mono); text-transform:uppercase; letter-spacing:0.06em; }
.float-card__value{ font-size:18px; font-weight:600; color:var(--emerald); font-family:var(--font-mono); }
@keyframes float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-10px); } }

/* ---------- 8. TICKER ---------- */
.ticker{
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background:var(--bg-elevated); padding:14px 0; overflow:hidden;
}
.ticker__label{
  text-align:center; font-family:var(--font-mono); font-size:10.5px; color:var(--text-faint);
  letter-spacing:0.1em; margin-bottom:10px;
}
.ticker__track-wrap{ overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent); mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent); }
.ticker__track{ display:flex; gap:40px; width:max-content; animation:ticker-scroll 32s linear infinite; }
.ticker__item{
  display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:14px; white-space:nowrap;
}
.ticker__item-name{ color:var(--text-muted); }
.ticker__item-change{ font-weight:600; }
.ticker__item-change--up{ color:var(--emerald); }
.ticker__item-change--down{ color:var(--red); }
.ticker__item-price{ color:var(--text); font-variant-numeric:tabular-nums; }
.ticker__disclaimer{ color:var(--text-faint); font-size:11px; text-align:center; margin-top:10px; }
@keyframes ticker-scroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ---------- 9. ABOUT ---------- */
.about__grid{ display:grid; grid-template-columns:0.8fr 1.2fr; gap:70px; align-items:center; }
.about__portrait{ display:flex; flex-direction:column; align-items:center; gap:22px; }
.portrait{
  width:220px; height:220px; border-radius:34px;
  background:linear-gradient(160deg, var(--emerald-deep) 0%, var(--bg-elevated) 60%);
  border:1px solid var(--border); display:grid; place-items:center;
  box-shadow:0 30px 60px -25px rgba(0,0,0,0.6);
  position:relative; overflow:hidden;
}
.portrait__image{ width:100%; height:100%; object-fit:contain; position:relative; z-index:1; }
.portrait::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(135deg, transparent 40%, var(--emerald-glow) 100%); opacity:0.4;
}
.about__text{ color:var(--text-muted); margin-bottom:16px; font-size:16px; }
.about__credentials{ display:flex; flex-direction:column; gap:3px; margin:-6px 0 22px; color:var(--text-muted); font-family:var(--font-mono); font-size:13px; }
.about__credentials strong{ color:var(--emerald); font-weight:600; }
.about__list{ margin:22px 0 34px; display:flex; flex-direction:column; gap:10px; }
.about__list li{ position:relative; padding-left:22px; color:var(--text); font-size:15px; }
.about__list li::before{ content:"—"; position:absolute; left:0; color:var(--emerald); }
.stat-row{ display:flex; gap:44px; padding-top:26px; border-top:1px solid var(--border); }
.stat{ display:flex; flex-direction:column; gap:6px; }
.stat__value{ font-family:var(--font-mono); font-size:32px; font-weight:700; color:var(--emerald); font-variant-numeric:tabular-nums; }
.stat__label{ font-size:12.5px; color:var(--text-faint); line-height:1.35; }

/* ---------- 10. PHILOSOPHY ---------- */
.philosophy{ background:var(--bg-elevated); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.principle-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:56px; }
.principle-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:38px 30px; transition:transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.principle-card:hover{ transform:translateY(-6px); border-color:var(--border-strong); background:var(--surface-strong); }
.principle-card__num{ font-family:var(--font-mono); font-size:13px; color:var(--emerald); letter-spacing:0.06em; }
.principle-card__title{ font-size:23px; font-weight:600; margin:16px 0 12px; }
.principle-card__text{ color:var(--text-muted); font-size:15.5px; line-height:1.55; }

/* ---------- 11. FRAMEWORK ---------- */
.framework-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:20px; margin-bottom:56px; }
.framework-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:26px 22px; }
.framework-card__title{ font-size:16.5px; font-weight:600; margin-bottom:10px; color:var(--emerald); }
.framework-card__text{ font-size:14px; color:var(--text-muted); line-height:1.5; }
.flow{
  display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:14px;
  padding:34px 20px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
}
.flow__step{
  font-family:var(--font-mono); font-size:14px; font-weight:600; color:var(--text);
  background:var(--bg-elevated); border:1px solid var(--border-strong); border-radius:999px; padding:10px 20px;
}
.flow__arrow{ color:var(--emerald); font-size:16px; animation:flow-pulse 2.4s ease-in-out infinite; }
.flow__arrow:nth-child(4){ animation-delay:.3s; }
.flow__arrow:nth-child(6){ animation-delay:.6s; }
.flow__arrow:nth-child(8){ animation-delay:.9s; }
@keyframes flow-pulse{ 0%,100%{ opacity:0.4; transform:translateX(0); } 50%{ opacity:1; transform:translateX(4px); } }

/* ---------- 12. PERFORMANCE ---------- */
.metric-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; margin:44px 0 56px; }
.metric-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:26px 20px; display:flex; flex-direction:column; gap:8px;
}
.metric-card__value{ font-family:var(--font-mono); font-size:26px; font-weight:700; color:var(--emerald); font-variant-numeric:tabular-nums; }
.metric-card__label{ font-size:12.5px; color:var(--text-faint); }
.performance-summary{ display:grid; grid-template-columns:repeat(5,1fr); gap:12px; margin:-34px 0 56px; }
.performance-summary--trades{ grid-template-columns:repeat(2,1fr); margin:22px 0 0; }
.performance-summary__item{ background:var(--bg-elevated); border:1px solid var(--border); border-radius:var(--radius-sm); padding:16px; display:flex; flex-direction:column; gap:6px; }
.performance-summary__label{ color:var(--text-faint); font-size:11.5px; }
.performance-summary__value{ color:var(--text); font:600 14px var(--font-mono); font-variant-numeric:tabular-nums; }
.performance-summary__value--up{ color:var(--emerald); }
.performance-summary__value--down{ color:var(--red); }
.perf-chart{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:30px; }
.perf-chart__header{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; margin-bottom:22px; }
.perf-chart__title{ font-size:17px; font-weight:600; }
.toggle{ display:flex; background:var(--bg-elevated); border:1px solid var(--border); border-radius:999px; padding:4px; }
.toggle__btn{
  background:transparent; border:none; color:var(--text-muted); font-size:13px; font-weight:600;
  padding:8px 18px; border-radius:999px; transition:background .2s var(--ease), color .2s var(--ease);
}
.toggle__btn.is-active{ background:var(--emerald); color:#04140d; }
.perf-chart canvas{ width:100%; height:auto; display:block; }

/* ---------- 13. JOURNAL ---------- */
.journal__filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
.filter-btn{
  background:var(--surface); border:1px solid var(--border); color:var(--text-muted);
  font-size:13.5px; font-weight:600; padding:9px 18px; border-radius:999px;
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.filter-btn.is-active, .filter-btn:hover{ background:var(--emerald); color:#04140d; border-color:var(--emerald); }
.journal__grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
.trade-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:24px;
  transition:transform .25s var(--ease), border-color .25s var(--ease);
}
.trade-card:hover{ transform:translateY(-4px); border-color:var(--border-strong); }
.trade-card__top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.trade-card__pair{ font-family:var(--font-mono); font-weight:700; font-size:16px; }
.trade-card__dir{ font-size:11px; font-weight:700; letter-spacing:0.05em; padding:5px 10px; border-radius:6px; }
.trade-card__dir--buy{ background:var(--emerald-deep); color:var(--emerald); }
.trade-card__dir--sell{ background:rgba(242,85,92,0.14); color:var(--red); }
.trade-card__rows{ display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.trade-card__row{ display:flex; justify-content:space-between; font-size:13px; font-family:var(--font-mono); }
.trade-card__row span:first-child{ color:var(--text-faint); }
.trade-card__row span:last-child{ color:var(--text); font-variant-numeric:tabular-nums; }
.trade-card__result{
  display:flex; align-items:center; justify-content:space-between; padding-top:14px; border-top:1px solid var(--border);
}
.trade-card__rr{ font-size:12px; color:var(--text-faint); font-family:var(--font-mono); }
.trade-card__pnl{ font-family:var(--font-mono); font-weight:700; font-size:17px; }
.trade-card__pnl--win{ color:var(--emerald); }
.trade-card__pnl--loss{ color:var(--red); }
.journal__grid > .trade-card[hidden]{ display:none; }

/* ---------- 14. CALCULATOR ---------- */
.calc-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:38px; display:grid; grid-template-columns:1.3fr 1fr; gap:40px; align-items:start;
}
.calc-card__inputs{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.calc-card__results{
  background:var(--bg-elevated); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:26px; display:flex; flex-direction:column; gap:20px;
}
.calc-result{ display:flex; flex-direction:column; gap:4px; }
.calc-result__label{ font-size:12.5px; color:var(--text-faint); }
.calc-result__value{ font-family:var(--font-mono); font-size:26px; font-weight:700; color:var(--emerald); font-variant-numeric:tabular-nums; }

/* ---------- 15. EDUCATION ---------- */
.article-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.article-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:26px; display:flex; flex-direction:column; gap:14px;
  transition:transform .25s var(--ease), border-color .25s var(--ease);
}
.article-card:hover{ transform:translateY(-4px); border-color:var(--border-strong); }
.article-card__category{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--gold); }
.article-card__title{ font-size:19px; font-weight:600; }
.article-card__desc{ color:var(--text-muted); font-size:14.5px; line-height:1.5; }
.article-card__meta{ display:flex; align-items:center; justify-content:space-between; margin-top:6px; }
.article-card__meta span{ font-size:12.5px; color:var(--text-faint); }
.article-card__link{ background:none; border:none; color:var(--emerald); font-weight:600; font-size:13.5px; padding:0; }

/* ---------- 16. TESTIMONIALS ---------- */
.testimonial-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:16px; }
.testimonial-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:30px; margin:0; display:flex; flex-direction:column; gap:20px;
  transition:transform .25s var(--ease);
}
.testimonial-card:hover{ transform:translateY(-4px); }
.testimonial-card__quote{ font-size:16px; line-height:1.55; color:var(--text); font-style:italic; }
.testimonial-card__author{ font-size:13px; color:var(--text-faint); font-family:var(--font-mono); }

/* ---------- 17. CTA ---------- */
.cta{
  background:linear-gradient(160deg, var(--emerald-deep) 0%, var(--bg) 55%);
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.cta__inner{ text-align:center; max-width:680px; }
.cta__title{ font-size:clamp(30px,4.4vw,48px); font-weight:600; margin-bottom:20px; }
.cta__text{ color:var(--text-muted); font-size:17px; margin-bottom:34px; }
.cta__actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- 18. CONTACT ---------- */
.contact__grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; }
.contact__intro .section-title{ margin-top:10px; }
.social-links{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }
.social-links__item{
  display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:600; padding:10px 18px; border-radius:999px;
  background:var(--surface); border:1px solid var(--border); transition:border-color .2s var(--ease), background .2s var(--ease);
}
.social-links__icon{ width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; flex:0 0 auto; }
.social-links__icon-fill{ fill:currentColor; stroke:none; }
.social-links__item:hover{ border-color:var(--border-strong); background:var(--surface-strong); }
.contact__email{ display:flex; flex-direction:column; gap:10px; margin-top:26px; }
.contact__email > a:not(.btn){ color:var(--emerald); font-family:var(--font-mono); font-size:13px; word-break:break-word; }
.contact__email .btn{ width:fit-content; }
.market-status{ display:flex; flex-direction:column; gap:6px; color:var(--emerald); font:600 12px var(--font-mono); margin-top:28px; }
.market-status small{ color:var(--text-faint); font-weight:400; }
.contact-form{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:34px; display:flex; flex-direction:column; gap:18px; }

/* ---------- 19. FOOTER ---------- */
.footer{ border-top:1px solid var(--border); padding:60px 0 40px; }
.footer__grid{ display:grid; grid-template-columns:1fr auto; gap:24px 40px; }
.footer__tagline{ color:var(--text-faint); font-size:13.5px; margin-top:8px; font-family:var(--font-mono); }
.footer__links{ display:flex; gap:22px; flex-wrap:wrap; align-items:start; }
.footer__links a{ font-size:13.5px; color:var(--text-muted); transition:color .2s var(--ease); }
.footer__links a:hover{ color:var(--text); }
.footer__risk{
  grid-column:1 / -1; font-size:12.5px; color:var(--text-faint); line-height:1.6;
  border-top:1px solid var(--border); padding-top:26px; margin-top:10px; max-width:900px;
}
.footer__copyright{ grid-column:1 / -1; font-size:12.5px; color:var(--text-faint); }

/* ---------- 20. MODAL / TOAST ---------- */
.modal{ position:fixed; inset:0; z-index:200; display:none; align-items:center; justify-content:center; padding:24px; }
.modal.is-open{ display:flex; }
.modal__backdrop{ position:absolute; inset:0; background:rgba(5,6,7,0.78); backdrop-filter:blur(6px); }
.modal__dialog{
  position:relative; max-width:620px; width:100%; max-height:82vh; overflow-y:auto;
  background:var(--bg-elevated); border:1px solid var(--border-strong); border-radius:var(--radius-lg);
  padding:40px; animation:modal-in .3s var(--ease);
}
@keyframes modal-in{ from{ opacity:0; transform:translateY(16px) scale(.98); } to{ opacity:1; transform:translateY(0) scale(1); } }
.modal__close{
  position:absolute; top:20px; right:20px; width:34px; height:34px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border); color:var(--text); font-size:14px;
}
.modal__title{ font-size:26px; font-weight:600; margin:14px 0 18px; }
.modal__body{ color:var(--text-muted); font-size:15px; line-height:1.7; display:flex; flex-direction:column; gap:14px; }

.toast{
  position:fixed; bottom:28px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--bg-elevated); border:1px solid var(--emerald); color:var(--text);
  padding:16px 24px; border-radius:var(--radius-md); font-size:14px; z-index:300;
  opacity:0; pointer-events:none; transition:opacity .3s var(--ease), transform .3s var(--ease);
  box-shadow:0 20px 50px -20px rgba(0,0,0,0.7); max-width:90vw; text-align:center;
}
.toast.is-visible{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ---------- 21. REVEAL ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- 22. RESPONSIVE ---------- */
@media (max-width:1080px){
  .metric-grid{ grid-template-columns:repeat(3,1fr); }
  .about__grid, .contact__grid{ gap:44px; }
}

@media (max-width:920px){
  main > section{ padding:88px 0; }
  .hero__inner{ grid-template-columns:1fr; }
  .hero{ padding-top:calc(var(--nav-h) + 40px); }
  .hero__visual{ margin-top:20px; }
  .about__grid, .contact__grid{ grid-template-columns:1fr; }
  .about__portrait{ order:-1; }
  .principle-grid, .framework-grid, .article-grid, .testimonial-grid{ grid-template-columns:repeat(2,1fr); }
  .metric-grid{ grid-template-columns:repeat(2,1fr); }
  .calc-card{ grid-template-columns:1fr; }
  .calc-card__inputs{ grid-template-columns:1fr 1fr; }
  .footer__grid{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .performance-summary{ grid-template-columns:repeat(3,1fr); }
}

@media (max-width:720px){
  .navbar__nav{
    position:fixed; z-index:99; top:var(--nav-h); left:0; right:0;
    height:calc(100dvh - var(--nav-h));
    background:rgba(7,9,10,0.98); backdrop-filter:blur(14px);
    flex-direction:column; justify-content:flex-start; align-items:stretch; gap:0;
    padding:14px 24px 28px; overflow-y:auto; overscroll-behavior:contain;
    transform:translateX(100%); visibility:hidden; opacity:0; pointer-events:none;
    transition:transform .35s var(--ease), opacity .2s var(--ease), visibility .35s var(--ease);
  }
  .navbar__nav.is-open{ transform:translateX(0); visibility:visible; opacity:1; pointer-events:auto; }
  .navbar__nav .navbar__link{ display:block; flex:0 0 auto; padding:16px 0; border-bottom:1px solid var(--border); font-size:16px; line-height:1.4; }
  .navbar__actions .btn--primary{ display:none; }
  .navbar__burger{ display:flex; }
  .navbar__logo-text{ font-size:12.5px; }
  .principle-grid, .framework-grid, .article-grid, .testimonial-grid{ grid-template-columns:1fr; }
  .metric-grid{ grid-template-columns:repeat(2,1fr); }
  .section-inner{ padding:0 20px; }
  .calc-card__inputs{ grid-template-columns:1fr; }
  .courses__inner{ align-items:flex-start; flex-direction:column; gap:10px; }
  .gallery-grid{ grid-template-columns:1fr 1fr; grid-auto-rows:150px; gap:10px; }
  .gallery-tile{ min-height:150px; padding:14px; }
  .gallery-tile--wide{ grid-column:span 2; }
  .performance-summary,.performance-summary--trades{ grid-template-columns:1fr; margin-bottom:36px; }
  .stat-row{ gap:26px; flex-wrap:wrap; }
  .flow{ flex-direction:column; }
  .flow__arrow{ transform:rotate(90deg); }
}

@media (max-width:480px){
  .metric-grid{ grid-template-columns:1fr 1fr; }
  .hero__headline{ font-size:34px; }
  .terminal__price{ position:static; margin-top:12px; }
}