/* ==========================================
   TETHER TURTLE — $TURTLE
   Brand stylesheet v3 · fintech / terminal
   ========================================== */

:root {
  --green: #26a17b;
  --green-dark: #1b7c5e;
  --green-deep: #0e3d2f;
  --ink: #0b1f19;
  --cream: #f6f3ec;
  --white: #ffffff;
  --sand: #e3ded2;
  --line: #d8d3c6;
  --gold: #e8b64c;
  --muted: #5c6b64;
  --display: 'Space Grotesk', -apple-system, sans-serif;
  --body: 'Space Grotesk', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16.5px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--green-dark); }
::selection { background: var(--green); color: #fff; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; border-top: 1px solid var(--line); }

.section-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 46px);
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: 14px;
}
.section-kicker {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}
.section-kicker::before { content: "// "; opacity: .6; }
.section-sub { color: var(--muted); max-width: 580px; margin-bottom: 48px; font-size: 17px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 236, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -.3px;
}
.logo-img {
  width: 38px;
  height: 38px;
  display: block;
  object-fit: contain;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .5px;
  text-transform: uppercase;
  opacity: .75;
  transition: opacity .15s, color .15s;
}
.nav-links a:hover { opacity: 1; color: var(--green-dark); }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--green); color: #fff !important; opacity: 1 !important; }
.btn-primary:hover { background: var(--green-dark); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--cream); }
.btn-lg { padding: 16px 36px; font-size: 14px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  font-size: 20px;
  padding: 4px 12px;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding: 110px 0 120px;
  text-align: center;
  position: relative;
  background-color: var(--green-deep);
  background-image:
    linear-gradient(rgba(9, 22, 45, .88) 0%, rgba(9, 22, 45, .68) 45%, rgba(9, 22, 45, .88) 100%),
    url('img/hero-bg.jpg');
  background-size: auto, cover;
  background-position: center, center 30%;
  background-repeat: no-repeat;
}
.hero .wrap { position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(44px, 9vw, 96px);
  line-height: .98;
  letter-spacing: -3px;
  text-transform: uppercase;
  margin: 26px auto 22px;
  max-width: 950px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .45);
}
.hero h1 .accent { color: var(--green); }
.hero .hero-tag {
  font-size: clamp(16px, 2.3vw, 19px);
  color: rgba(255, 255, 255, .82);
  max-width: 640px;
  margin: 0 auto 36px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .5);
}
.hero .btn-ghost { border-color: rgba(255,255,255,.85); color: #fff; }
.hero .btn-ghost:hover { background: #fff; color: var(--ink); }
.chain-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(9, 22, 45, .55);
  border: 1px solid rgba(255, 255, 255, .3);
  color: rgba(255, 255, 255, .9);
  backdrop-filter: blur(4px);
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.chain-pill .dot { width: 8px; height: 8px; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Marquee ---------- */
.marquee {
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
  white-space: nowrap;
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-top: 1px solid var(--ink);
}
.marquee-track { display: inline-block; animation: marquee 32s linear infinite; }
.marquee .sep { color: var(--green); margin: 0 16px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Token address bar ---------- */
.address-bar {
  background: var(--green-deep);
  padding: 44px 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 100% 8px;
}
.address-card {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.address-label {
  color: rgba(255,255,255,.55);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  width: 100%;
  text-align: center;
  margin-bottom: 14px;
}
.address-label::before { content: "[ "; color: var(--green); }
.address-label::after { content: " ]"; color: var(--green); }
.address-value {
  font-family: var(--mono);
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.15);
  border-right: none;
  color: #d9efe7;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
}
.copy-btn {
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 26px;
  cursor: pointer;
  transition: background .15s;
}
.copy-btn:hover { background: var(--green-dark); }
.socials-row { display: flex; gap: 10px; justify-content: center; margin-top: 26px; width: 100%; flex-wrap: wrap; }
.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 20px;
  transition: border-color .15s, background .15s;
}
.social-chip:hover { border-color: var(--green); background: rgba(38,161,123,.15); }

/* ---------- Vision / flywheel ---------- */
.vision { background: var(--white); }
.flywheel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
}
.fly-card {
  background: var(--white);
  border-right: 1px solid var(--line);
  padding: 32px 26px;
  position: relative;
  transition: background .15s;
}
.fly-card:last-child { border-right: none; }
.fly-card:hover { background: var(--cream); }
.fly-card .step {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--green);
  margin-bottom: 14px;
}
.fly-card h3 { font-size: 18px; font-weight: 700; letter-spacing: -.3px; margin-bottom: 8px; }
.fly-card p { color: var(--muted); font-size: 14.5px; }
.fly-card .emoji { font-size: 30px; margin-bottom: 16px; filter: grayscale(.2); }

.vision-banner {
  margin-top: 0;
  border: 1px solid var(--line);
  border-top: none;
  background: var(--green-deep);
  color: #fff;
  padding: 44px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.vision-banner h3 { font-family: var(--display); font-weight: 700; font-size: 26px; letter-spacing: -.8px; margin-bottom: 8px; }
.vision-banner p { color: rgba(255,255,255,.7); max-width: 660px; font-size: 15.5px; }
.vision-banner .big-emoji { font-size: 56px; }

/* ---------- Lore ---------- */
.lore-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.lore-text p { margin-bottom: 16px; color: #2c3a34; font-size: 16.5px; }
.lore-text p strong { color: var(--ink); }

.lore-img {
  width: 100%;
  border: 1px solid var(--line);
  display: block;
}

/* ---------- How to buy ---------- */
.how { background: var(--white); }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
}
.step-card {
  border-right: 1px solid var(--line);
  background: var(--white);
  padding: 32px 26px;
  transition: background .15s;
}
.step-card:last-child { border-right: none; }
.step-card:hover { background: var(--cream); }
.step-card .num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cream);
  background: var(--ink);
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.step-card h3 { font-size: 17px; font-weight: 700; letter-spacing: -.3px; margin-bottom: 8px; }
.step-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.gallery-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  transition: transform .2s ease, filter .2s ease;
}
.gallery-grid img:hover {
  transform: scale(1.02);
  filter: brightness(1.05);
}

/* ---------- Docs teaser ---------- */
.docs-teaser { background: var(--ink); color: var(--cream); border-top: none; }
.docs-teaser .section-title { color: #fff; }
.docs-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.15); }
.doc-card {
  background: var(--ink);
  padding: 34px 28px;
  text-decoration: none;
  color: var(--cream);
  transition: background .15s;
  display: block;
}
.doc-card:hover { background: #12291f; }
.doc-card .emoji { font-size: 28px; margin-bottom: 16px; }
.doc-card h3 { font-family: var(--display); font-weight: 700; font-size: 18px; letter-spacing: -.3px; margin-bottom: 8px; color: #fff; }
.doc-card p { color: rgba(255,255,255,.55); font-size: 14.5px; margin-bottom: 16px; }
.doc-card .go { color: var(--green); font-family: var(--mono); font-weight: 600; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Image placeholders ---------- */
.ph {
  background:
    linear-gradient(rgba(38,161,123,.05), rgba(38,161,123,.05)),
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(38,161,123,.05) 10px, rgba(38,161,123,.05) 20px),
    var(--white);
  border: 1px dashed rgba(38,161,123,.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--green-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-align: center;
  padding: 22px;
}
.ph .icon { font-size: 40px; }
.ph small { color: var(--muted); font-family: var(--body); font-weight: 400; letter-spacing: 0; max-width: 300px; font-size: 12.5px; }
.ph-hero { min-height: 400px; border: none; }
.ph-square { aspect-ratio: 1; border: none; }
.ph-tall { min-height: 440px; }
.ph-wide { min-height: 220px; }

/* ---------- Footer ---------- */
footer {
  background: var(--ink);
  color: rgba(255,255,255,.55);
  padding: 64px 0 44px;
  font-size: 14px;
  border-top: 1px solid var(--green);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand { font-family: var(--display); font-weight: 700; color: #fff; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--green); }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,.35);
}

/* ---------- Docs pages ---------- */
.doc-page { padding: 70px 0 100px; }
.doc-page .doc-body { max-width: 780px; margin: 0 auto; }
.doc-page h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}
.doc-page .doc-intro { font-size: 18px; color: var(--muted); margin-bottom: 48px; }
.doc-page h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 23px;
  letter-spacing: -.5px;
  margin: 52px 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.doc-page h2 .tag { color: var(--green); font-family: var(--mono); font-size: 15px; margin-right: 10px; vertical-align: 2px; }
.doc-page p { margin-bottom: 16px; color: #2c3a34; }
.doc-page ul { margin: 0 0 16px 22px; color: #2c3a34; }
.doc-page li { margin-bottom: 8px; }
.callout {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  padding: 22px 26px;
  margin: 26px 0;
}
.callout.gold { border-left-color: var(--gold); }
.callout .label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.callout .label::before { content: "[ "; color: var(--green); }
.callout .label::after { content: " ]"; color: var(--green); }
.doc-nav-back {
  display: inline-block;
  margin-bottom: 28px;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 600;
  color: var(--green-dark);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.compare-table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 14.5px; border: 1px solid var(--line); }
.compare-table th {
  background: var(--ink); color: #fff;
  text-align: left; padding: 12px 16px;
  font-family: var(--mono);
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
}
.compare-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); background: var(--white); }

/* ---------- Roadmap phases ---------- */
.phases { display: grid; gap: 0; margin-top: 10px; border: 1px solid var(--line); }
.phase-card {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 34px 30px;
}
.phase-card:last-child { border-bottom: none; }
.phase-card .phase-top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.phase-card .phase-label { font-family: var(--mono); color: var(--green); font-weight: 600; font-size: 12px; letter-spacing: 2px; }
.phase-card h3 { font-family: var(--display); font-weight: 700; font-size: 21px; letter-spacing: -.5px; margin-bottom: 12px; }
.pill {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border: 1px solid;
}
.pill-green { border-color: var(--green); color: var(--green-dark); background: rgba(38,161,123,.08); }
.pill-gold { border-color: var(--gold); color: #9a7420; background: rgba(232,182,76,.1); }
.pill-dark { border-color: var(--ink); color: var(--ink); background: rgba(11,31,25,.04); }

/* ---------- Mobile ---------- */
@media (max-width: 860px) {
  .lore-grid { grid-template-columns: 1fr; }
  .vision-banner { flex-direction: column; text-align: center; }
  .fly-card, .step-card { border-right: none; border-bottom: 1px solid var(--line); }
  .fly-card:last-child, .step-card:last-child { border-bottom: none; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding: 60px 0; }
  .wrap { padding: 0 18px; }
  .nav-inner { padding: 0 16px; height: 58px; }
  .brand { font-size: 14px; }
  .logo-img { width: 32px; height: 32px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--cream);
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(11,31,25,.12);
  }
  .nav-links a { color: var(--ink) !important; font-size: 14px; }
  .nav-links .btn-primary { width: 100%; text-align: center; color: #fff !important; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 70px 0 80px; }
  .hero h1 { letter-spacing: -1.5px; }
  .hero-cta .btn-lg { width: 100%; max-width: 340px; text-align: center; }
  .chain-pill { font-size: 10.5px; padding: 7px 12px; }
  .section-title { letter-spacing: -1px; }
  .section-sub { margin-bottom: 34px; }
  .address-value { font-size: 12px; padding: 12px 14px; word-break: break-all; border-right: 1px solid rgba(255,255,255,.15); }
  .address-card { gap: 10px; }
  .copy-btn { width: 100%; }
  .social-chip { flex: 1 1 auto; justify-content: center; }
  .vision-banner { padding: 32px 22px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .doc-page { padding: 44px 0 70px; }
  .doc-page h2 { font-size: 20px; }
  .compare-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .phase-card { padding: 26px 20px; }
  .callout { padding: 18px 18px; }
  .footer-top { flex-direction: column; gap: 22px; }
  .footer-links { gap: 16px; }
  .marquee { font-size: 11.5px; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 42px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .brand { letter-spacing: 0; }
}