/* TradeLabX giriş / tanıtım sayfası (dashboard ile aynı tasarım dili) */
:root {
    --tlx-accent: #22d3ee;
    --tlx-accent-strong: #06b6d4;
    --tlx-accent-soft: rgba(34, 211, 238, 0.12);
    --tlx-accent-border: rgba(34, 211, 238, 0.55);
    --tlx-violet: #a855f7;
    --tlx-bg: #0a0010;
    --tlx-surface: rgba(14, 9, 26, 0.88);
    --tlx-surface-2: rgba(255, 255, 255, 0.03);
    --tlx-border: rgba(168, 85, 247, 0.22);
    --tlx-border-soft: rgba(255, 255, 255, 0.08);
    --tlx-text: #e8edf5;
    --tlx-muted: #a3b1c6;
    --tlx-up: #0ecb81;
    --tlx-down: #f6465d;
    --tlx-radius: 14px;
    --font-display: 'Orbitron', 'Rajdhani', sans-serif;
    --font-body: 'Rajdhani', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-height: 100vh;
    background: var(--tlx-bg);
    color: var(--tlx-text);
    font-family: var(--font-body);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.55;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(168, 85, 247, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 10%, rgba(168, 85, 247, 0.18) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 35%, rgba(34, 211, 238, 0.12) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
}
a { color: var(--tlx-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input { font-family: inherit; }
.tlx-icon { width: 18px; height: 18px; flex: none; }

.wrap { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Üst çubuk */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(10, 0, 16, 0.82); backdrop-filter: blur(14px); border-bottom: 1px solid var(--tlx-border-soft); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--tlx-text); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(135deg, var(--tlx-violet), var(--tlx-accent-strong)); box-shadow: 0 0 18px rgba(34, 211, 238, 0.35); }
.brand-mark svg { width: 22px; height: 22px; }
.brand-name { font-family: var(--font-display); font-size: 21px; font-weight: 700; letter-spacing: 1px; }
.brand-name span { color: var(--tlx-accent); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-link { color: var(--tlx-muted); font-weight: 600; }
.lang-switch { display: flex; border: 1px solid rgba(34, 211, 238, 0.35); border-radius: 8px; overflow: hidden; }
.lang-switch button { padding: 7px 11px; background: transparent; border: none; color: var(--tlx-muted); cursor: pointer; font-family: var(--font-display); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.lang-switch button.active { background: rgba(34, 211, 238, 0.18); color: var(--tlx-accent); }

/* Giriş bölümü */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; padding: 64px 0 56px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border: 1px solid var(--tlx-accent-border); border-radius: 999px; background: var(--tlx-accent-soft); color: var(--tlx-accent); font-size: 13px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; }
.hero h1 { margin: 20px 0 16px; font-family: var(--font-display); font-size: 54px; line-height: 1.08; letter-spacing: 1px; }
.hero h1 span { color: var(--tlx-accent); }
.hero-lead { max-width: 560px; color: var(--tlx-muted); font-size: 19px; }
.highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; max-width: 560px; }
.highlight { padding: 14px 16px; border: 1px solid var(--tlx-border); border-radius: 12px; background: var(--tlx-surface); }
.highlight b { display: block; font-family: var(--font-mono); font-size: 24px; color: var(--tlx-accent); }
.highlight span { color: var(--tlx-muted); font-size: 14px; }

/* Giriş kartı */
.auth-card { padding: 30px; border: 1px solid var(--tlx-border); border-radius: 18px; background: var(--tlx-surface); backdrop-filter: blur(14px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 30px rgba(168, 85, 247, 0.1); }
.card-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 22px; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--tlx-border-soft); border-radius: 10px; }
.tab-btn { padding: 10px; background: transparent; border: none; border-radius: 8px; color: var(--tlx-muted); font-size: 16px; font-weight: 700; cursor: pointer; }
.tab-btn.active { background: var(--tlx-accent-soft); color: var(--tlx-accent); box-shadow: inset 0 0 0 1px var(--tlx-accent-border); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; color: var(--tlx-muted); font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.form-input { width: 100%; padding: 12px 14px; background: rgba(0, 0, 0, 0.45); border: 1px solid var(--tlx-border); border-radius: 10px; color: var(--tlx-text); font-size: 16px; transition: border-color 0.15s ease, box-shadow 0.15s ease; }
.form-input::placeholder { color: rgba(163, 177, 198, 0.6); }
.form-input:focus { outline: none; border-color: var(--tlx-accent-border); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15); }
.submit-btn { width: 100%; margin-top: 6px; padding: 13px; border: none; border-radius: 10px; background: linear-gradient(135deg, var(--tlx-accent), var(--tlx-accent-strong)); color: #031317; font-size: 17px; font-weight: 700; letter-spacing: 0.5px; cursor: pointer; box-shadow: 0 0 16px rgba(34, 211, 238, 0.3); }
.submit-btn:hover { filter: brightness(1.08); }
.submit-btn:disabled { opacity: 0.7; cursor: wait; }
.forgot-password { margin-top: 14px; text-align: center; font-size: 15px; }
.forgot-password .sep { margin: 0 8px; color: var(--tlx-muted); }
.forgot-password [hidden], .form-group[hidden] { display: none; }
.code-input { font-family: 'JetBrains Mono', ui-monospace, monospace; letter-spacing: 1px; text-transform: uppercase; }
.password-strength { margin-top: 8px; }
.strength-bar { height: 4px; background: rgba(255, 255, 255, 0.08); border-radius: 2px; overflow: hidden; }
.strength-fill { width: 0; height: 100%; transition: width 0.2s ease, background 0.2s ease; }
.strength-text { display: flex; justify-content: space-between; margin-top: 6px; color: var(--tlx-muted); font-size: 13px; }
.message { display: none; margin-bottom: 16px; padding: 11px 14px; border-radius: 10px; font-size: 15px; }
.message.show { display: block; }
.message.success { background: rgba(14, 203, 129, 0.12); border: 1px solid rgba(14, 203, 129, 0.45); color: #6ee7b7; }
.message.error { background: rgba(246, 70, 93, 0.12); border: 1px solid rgba(246, 70, 93, 0.45); color: #fda4af; }
.trial-banner { display: flex; gap: 12px; align-items: center; margin-top: 20px; padding: 14px 16px; border: 1px solid var(--tlx-accent-border); border-radius: 12px; background: var(--tlx-accent-soft); }
.trial-banner .tlx-icon { width: 22px; height: 22px; color: var(--tlx-accent); }
.trial-banner b { display: block; color: var(--tlx-accent); font-size: 15px; letter-spacing: 0.5px; }
.trial-banner span { color: var(--tlx-muted); font-size: 14px; }

/* Bölümler */
.section { padding: 56px 0; }
.section-head { max-width: 680px; margin: 0 auto 36px; text-align: center; }
.section-kicker { color: var(--tlx-accent); font-size: 13px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; }
.section-head h2 { margin: 10px 0 10px; font-family: var(--font-display); font-size: 32px; letter-spacing: 0.5px; }
.section-head p { color: var(--tlx-muted); font-size: 18px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 24px; border: 1px solid var(--tlx-border); border-radius: var(--tlx-radius); background: var(--tlx-surface); transition: border-color 0.2s ease, transform 0.2s ease; }
.feature:hover { border-color: var(--tlx-accent-border); transform: translateY(-2px); }
.feature-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 16px; border-radius: 12px; background: var(--tlx-accent-soft); color: var(--tlx-accent); }
.feature-icon .tlx-icon { width: 24px; height: 24px; }
.feature h3 { margin-bottom: 8px; font-size: 20px; }
.feature-badge { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; vertical-align: middle; }
.feature-badge[hidden] { display: none; }
.feature-badge.on { color: #0ecb81; background: rgba(14, 203, 129, 0.12); border: 1px solid rgba(14, 203, 129, 0.4); }
.feature-badge.off { color: #f0b90b; background: rgba(240, 185, 11, 0.1); border: 1px solid rgba(240, 185, 11, 0.4); }
.feature p { color: var(--tlx-muted); font-size: 16px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 24px 20px; border: 1px solid var(--tlx-border-soft); border-radius: var(--tlx-radius); background: var(--tlx-surface-2); }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; margin-bottom: 14px; border-radius: 50%; background: linear-gradient(135deg, var(--tlx-accent), var(--tlx-accent-strong)); color: #031317; font-family: var(--font-mono); font-weight: 700; }
.step h3 { margin-bottom: 6px; font-size: 19px; }
.step p { color: var(--tlx-muted); font-size: 15px; }
.notice { display: flex; gap: 14px; padding: 20px 22px; border: 1px solid rgba(251, 191, 36, 0.35); border-radius: var(--tlx-radius); background: rgba(251, 191, 36, 0.06); color: var(--tlx-muted); font-size: 15px; }
.notice .tlx-icon { width: 22px; height: 22px; color: #fbbf24; margin-top: 2px; }
.notice b { color: var(--tlx-text); }
.notice p + p { margin-top: 8px; }

.footer { margin-top: 40px; border-top: 1px solid var(--tlx-border-soft); }
.footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 28px; color: var(--tlx-muted); font-size: 14px; }
.footer .brand-name { font-size: 17px; }
.footer .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
.footer .brand-mark svg { width: 18px; height: 18px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: var(--tlx-muted); }
.footer-links a:hover { color: var(--tlx-accent); }

@media (max-width: 960px) {
    .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 40px; }
    .features { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .wrap { padding: 0 16px; }
    .topbar .wrap { height: 60px; }
    .topbar-link { display: none; }
    .brand-name { font-size: 18px; }
    .hero h1 { font-size: 38px; }
    .hero-lead { font-size: 17px; }
    .highlights { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .highlight { padding: 10px; }
    .highlight b { font-size: 19px; }
    .highlight span { font-size: 12px; }
    .auth-card { padding: 22px 18px; }
    .features, .steps { grid-template-columns: 1fr; }
    .section { padding: 40px 0; }
    .section-head h2 { font-size: 26px; }
    .footer .wrap { flex-direction: column; text-align: center; }
}