@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Serif+Display:ital@0;1&family=Manrope:wght@400;500;600;700;800&display=swap');

* { box-sizing: border-box; }
:root {
  --pt-bg: #06110d;
  --pt-panel: #0b1c15;
  --pt-panel-2: #10251c;
  --pt-ink: #f5f2e8;
  --pt-muted: #a5b0a8;
  --pt-line: #274236;
  --pt-green: #9bed39;
  --pt-green-dark: #17250a;
  --pt-red: #ff806f;
  --pt-max: 1220px;
  --pt-sans: 'Manrope', Arial, sans-serif;
  --pt-display: 'DM Serif Display', Georgia, serif;
  --pt-mono: 'DM Mono', Consolas, monospace;
}
html { scroll-behavior: smooth; background: var(--pt-bg); }
body.pt4 {
  margin: 0;
  min-width: 320px;
  background: var(--pt-bg);
  color: var(--pt-ink);
  font: 500 16px/1.55 var(--pt-sans);
  -webkit-font-smoothing: antialiased;
}
.pt4 a { color: inherit; }
.pt4 img { display: block; max-width: 100%; }
.pt4 button, .pt4 input { font: inherit; }
.pt4 a:focus-visible, .pt4 button:focus-visible, .pt4 input:focus-visible {
  outline: 3px solid var(--pt-green);
  outline-offset: 4px;
}
.pt-shell { width: min(calc(100% - 40px), var(--pt-max)); margin-inline: auto; }
.pt-skip { position: fixed; top: -80px; left: 16px; z-index: 99; background: var(--pt-green); color: #08120d; padding: 12px 18px; font-weight: 800; text-decoration: none; }
.pt-skip:focus { top: 16px; }

.pt-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in srgb, var(--pt-line) 78%, transparent);
  background: color-mix(in srgb, var(--pt-bg) 91%, transparent);
  backdrop-filter: blur(18px);
}
.pt-nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.pt-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: -.035em; }
.pt-brand img { width: 34px; height: 34px; border-radius: 50%; }
.pt-nav-links { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 32px); }
.pt-nav-links > a:not(.pt-btn) { color: var(--pt-muted); font-size: .87rem; text-decoration: none; }
.pt-nav-links > a:not(.pt-btn):hover, .pt-nav-links > a.active { color: var(--pt-ink); }

.pt-btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--pt-green);
  border-radius: 8px;
  background: var(--pt-green);
  color: #07110c !important;
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.pt-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 35px rgba(155, 237, 57, .15); }
.pt-btn-small { min-height: 42px; padding: 9px 15px; font-size: .85rem; }
.pt-btn-ghost { background: transparent; color: var(--pt-ink) !important; border-color: var(--pt-line); }
.pt-btn-ghost:hover { background: var(--pt-panel); box-shadow: none; }
.pt-kicker { margin: 0 0 16px; color: var(--pt-green); font: 500 .72rem/1.4 var(--pt-mono); letter-spacing: .13em; text-transform: uppercase; }
.pt-lede { max-width: 650px; color: var(--pt-muted); font-size: clamp(1.02rem, 1.7vw, 1.2rem); line-height: 1.6; }

/* Landing page */
.home-hero {
  position: relative;
  min-height: 680px;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--pt-line);
}
.home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, #06110d 0%, rgba(6,17,13,.96) 35%, rgba(6,17,13,.28) 73%, rgba(6,17,13,.58) 100%), url('/assets/tortoise-autopilot-hero-v1.webp') 62% 55% / cover no-repeat;
}
.home-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent 70%, var(--pt-bg));
  pointer-events: none;
}
.home-hero .hero-grid { min-height: 680px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(430px, .8fr); gap: clamp(36px, 6vw, 90px); align-items: center; padding-block: 74px 62px; }
.hero-copy { max-width: 690px; }
.hero-copy h1 { margin: 0 0 24px; font: italic 400 clamp(3.6rem, 6vw, 6.1rem)/.94 var(--pt-display); letter-spacing: -.045em; text-wrap: balance; }
.hero-copy h1 span { color: var(--pt-green); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin: 15px 0 0; color: var(--pt-muted); font: 400 .74rem/1.5 var(--pt-mono); }

.control-card {
  width: min(100%, 500px);
  justify-self: end;
  border: 1px solid #40614f;
  border-radius: 15px;
  background: rgba(6, 17, 13, .9);
  box-shadow: 0 28px 90px rgba(0,0,0,.45);
  backdrop-filter: blur(15px);
  overflow: hidden;
}
.control-top { padding: 17px 20px; display: flex; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid var(--pt-line); }
.control-title { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.live-pill { display: inline-flex; align-items: center; gap: 8px; color: var(--pt-green); font: 500 .69rem/1 var(--pt-mono); text-transform: uppercase; letter-spacing: .08em; }
.live-pill::before, .status-dot { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--pt-green); box-shadow: 0 0 0 5px rgba(155,237,57,.1); }
.control-body { padding: 20px; }
.control-mode { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; border: 1px solid var(--pt-line); border-radius: 9px; background: #07150f; }
.control-mode span { padding: 9px 12px; border-radius: 6px; color: var(--pt-muted); text-align: center; font: 500 .72rem/1.2 var(--pt-mono); }
.control-mode .selected { background: var(--pt-panel-2); color: var(--pt-green); }
.control-rows { margin-top: 16px; border: 1px solid var(--pt-line); border-radius: 10px; overflow: hidden; }
.control-row { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 15px; border-bottom: 1px solid var(--pt-line); }
.control-row:last-child { border-bottom: 0; }
.control-row span { color: var(--pt-muted); font-size: .82rem; }
.control-row strong { font: 500 .83rem/1.3 var(--pt-mono); text-align: right; }
.control-row .on { color: var(--pt-green); }
.activity-card { margin-top: 16px; padding: 15px; border-radius: 10px; background: var(--pt-panel-2); }
.activity-head { display: flex; justify-content: space-between; gap: 12px; color: var(--pt-muted); font: 500 .67rem/1.3 var(--pt-mono); text-transform: uppercase; letter-spacing: .08em; }
.activity-card strong { display: block; margin-top: 13px; font-size: .93rem; }
.activity-card p { margin: 6px 0 0; color: var(--pt-muted); font-size: .78rem; }

.trust-strip { border-bottom: 1px solid var(--pt-line); }
.trust-grid { min-height: 100px; display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 22px 24px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--pt-line); }
.trust-item:last-child { border-right: 1px solid var(--pt-line); }
.trust-item strong { font-size: .94rem; }
.trust-item span { margin-top: 4px; color: var(--pt-muted); font-size: .77rem; }

.home-section { padding-block: clamp(80px, 10vw, 135px); border-bottom: 1px solid var(--pt-line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 46px; }
.section-head h2 { max-width: 760px; margin: 0; font: italic 400 clamp(2.7rem, 5.4vw, 5.3rem)/.96 var(--pt-display); letter-spacing: -.035em; }
.section-head p:not(.pt-kicker) { max-width: 440px; margin: 0; color: var(--pt-muted); }
.steps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--pt-line); border: 1px solid var(--pt-line); }
.step-card { min-height: 270px; padding: clamp(24px, 3vw, 38px); display: flex; flex-direction: column; background: var(--pt-bg); }
.step-num { color: var(--pt-green); font: 500 .74rem/1 var(--pt-mono); }
.step-card h3 { margin: auto 0 12px; max-width: 18ch; font: 400 1.8rem/1.12 var(--pt-display); letter-spacing: -.015em; }
.step-card p { margin: 0; color: var(--pt-muted); }

.leader-preview { display: grid; grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr); gap: clamp(40px, 8vw, 100px); align-items: center; }
.leader-copy h2 { margin: 0 0 22px; font: italic 400 clamp(2.8rem, 5vw, 5rem)/.96 var(--pt-display); letter-spacing: -.035em; }
.leader-copy p { color: var(--pt-muted); }
.leader-copy .pt-btn { margin-top: 18px; }
.mini-board { border: 1px solid var(--pt-line); border-radius: 14px; background: var(--pt-panel); overflow: hidden; }
.mini-board-head { padding: 18px 20px; display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--pt-line); }
.mini-board-head span { color: var(--pt-muted); font: 400 .7rem/1.4 var(--pt-mono); }
.mini-board-row { min-height: 70px; display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--pt-line); }
.mini-board-row:last-child { border-bottom: 0; }
.mini-rank { color: var(--pt-green); font: 500 .78rem/1 var(--pt-mono); }
.mini-board-row strong { font-size: .9rem; }
.mini-board-row small { display: block; color: var(--pt-muted); }
.mini-empty { color: var(--pt-muted); font-size: .84rem; text-align: right; }

.final-cta { padding-block: clamp(80px, 10vw, 130px); text-align: center; }
.final-cta h2 { max-width: 850px; margin: 0 auto 28px; font: italic 400 clamp(3rem, 6vw, 6rem)/.93 var(--pt-display); letter-spacing: -.04em; }
.final-cta p { max-width: 580px; margin: 0 auto 30px; color: var(--pt-muted); }

/* Leaderboard */
.board-hero { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(40px, 8vw, 110px); align-items: end; padding-block: clamp(64px, 7vw, 96px) 54px; }
.board-hero h1 { margin: 0 0 26px; font: italic 400 clamp(3.8rem, 7vw, 7rem)/.9 var(--pt-display); letter-spacing: -.045em; }
.board-hero h1 span { color: var(--pt-green); }
.privacy-card { padding: 28px; border: 1px solid var(--pt-line); border-radius: 12px; background: var(--pt-panel); }
.privacy-label { margin: 0 0 24px; color: var(--pt-green); font: 500 .69rem/1.3 var(--pt-mono); text-transform: uppercase; letter-spacing: .11em; }
.privacy-card strong { font-size: 1.4rem; }
.privacy-card p:not(.privacy-label) { margin: 10px 0 20px; color: var(--pt-muted); font-size: .9rem; }
.privacy-card a { color: var(--pt-green); font-size: .86rem; font-weight: 700; text-underline-offset: 4px; }
.board-section { padding-bottom: clamp(90px, 12vw, 150px); }
.board-toolbar { min-height: 110px; display: flex; justify-content: space-between; align-items: end; gap: 30px; padding-bottom: 24px; border-bottom: 1px solid var(--pt-line); }
.board-toolbar h2 { margin: 0; font: 400 clamp(2rem, 3.5vw, 3.3rem)/1 var(--pt-display); letter-spacing: -.025em; }
.board-meta { display: flex; align-items: center; gap: 12px; color: var(--pt-muted); font: 400 .75rem/1.3 var(--pt-mono); }
.status-dot { display: inline-block; flex: none; }
.board-table-wrap { width: 100%; overflow-x: auto; }
.board-table { width: 100%; border-collapse: collapse; min-width: 820px; }
.board-table th { padding: 16px 14px; color: var(--pt-muted); font: 500 .66rem/1.3 var(--pt-mono); text-align: left; text-transform: uppercase; letter-spacing: .07em; border-bottom: 1px solid var(--pt-line); }
.board-table td { padding: 21px 14px; border-bottom: 1px solid var(--pt-line); font: 400 .82rem/1.3 var(--pt-mono); }
.board-table tbody tr:hover { background: var(--pt-panel); }
.board-table .rank-cell { color: var(--pt-green); }
.board-table .name-cell { color: var(--pt-ink); font-family: var(--pt-sans); font-weight: 700; }
.board-table .positive { color: var(--pt-green); }
.board-table .negative { color: var(--pt-red); }
.board-table .muted-cell { color: var(--pt-muted); }
.board-empty { padding: clamp(50px, 8vw, 90px) 24px; border-bottom: 1px solid var(--pt-line); text-align: center; }
.empty-rank { display: block; color: var(--pt-green); font: 500 1rem/1 var(--pt-mono); }
.board-empty h3 { margin: 22px 0 10px; font-size: clamp(2rem, 4vw, 3.6rem); letter-spacing: -.055em; }
.board-empty p { max-width: 600px; margin: 0 auto 28px; color: var(--pt-muted); }
.board-disclaimer { max-width: 760px; margin: 22px 0 0; color: var(--pt-muted); font-size: .78rem; }

.pt-footer { border-top: 1px solid var(--pt-line); }
.pt-footer-row { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--pt-muted); font-size: .8rem; }
.pt-footer-row > span { color: var(--pt-ink); font-weight: 800; }
.pt-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.pt-footer a { text-decoration: none; }
.pt-footer a:hover { color: var(--pt-green); }

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: pt-rise .65s cubic-bezier(.16,1,.3,1) both; }
  .hero-copy > :nth-child(2) { animation-delay: .06s; }
  .hero-copy > :nth-child(3) { animation-delay: .12s; }
  .hero-copy > :nth-child(4) { animation-delay: .18s; }
  .control-card { animation: pt-rise .8s .12s cubic-bezier(.16,1,.3,1) both; }
}
@keyframes pt-rise { from { opacity: 0; transform: translateY(20px); } }

@media (max-width: 900px) {
  .home-hero .hero-grid, .leader-preview, .board-hero { grid-template-columns: 1fr; }
  .home-hero::before { background: linear-gradient(90deg, #06110d 0%, rgba(6,17,13,.9) 52%, rgba(6,17,13,.4)), url('/assets/tortoise-autopilot-hero-v1.webp') 61% 50% / cover no-repeat; }
  .control-card { justify-self: start; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 1px solid var(--pt-line); }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--pt-line); }
  .section-head { align-items: start; flex-direction: column; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 220px; }
  .privacy-card { max-width: 560px; }
}

@media (max-width: 680px) {
  .pt-shell { width: min(calc(100% - 28px), var(--pt-max)); }
  .pt-nav { min-height: 66px; }
  .pt-brand img { width: 30px; height: 30px; }
  .pt-nav-links > a:not(.pt-btn) { display: none; }
  .pt-btn-small { min-height: 40px; }
  .home-hero, .home-hero .hero-grid { min-height: auto; }
  .home-hero .hero-grid { padding-block: 64px 52px; gap: 40px; }
  .hero-copy h1 { font-size: clamp(3.2rem, 16vw, 4.6rem); }
  .hero-actions { align-items: stretch; }
  .hero-actions .pt-btn { flex: 1 1 160px; }
  .control-card { width: 100%; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item, .trust-item:nth-child(2), .trust-item:last-child { border-right: 1px solid var(--pt-line); border-bottom: 1px solid var(--pt-line); }
  .trust-item:last-child { border-bottom: 0; }
  .section-head h2, .leader-copy h2 { font-size: 2.8rem; }
  .mini-board-row { grid-template-columns: 42px 1fr; }
  .mini-empty { grid-column: 2; text-align: left; }
  .board-hero { padding-block: 64px 52px; }
  .board-hero h1 { font-size: clamp(3.3rem, 17vw, 5rem); }
  .board-toolbar { align-items: start; flex-direction: column; padding-block: 24px; }
  .pt-footer-row { padding-block: 32px; align-items: start; flex-direction: column; }
}