:root {
  --ink: #0f172a;
  --ink-soft: #5b6477;
  --sunset: #3b82f6;
  --ocean: #1d4ed8;
  --mint: #16a34a;
  --sand: #f6f8fc;
  --mist: #eaf1ff;
  --card: #ffffff;
  --border: rgba(148, 163, 184, 0.4);
  --shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-display: "Outfit", "Plus Jakarta Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(148, 163, 184, 0.18), transparent 45%),
    linear-gradient(180deg, var(--sand) 0%, #f9fbff 55%, #ffffff 100%);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.08) 1px, transparent 0);
  background-size: 26px 26px;
  pointer-events: none;
  opacity: 0.3;
  z-index: 0;
}

body.dashboard-page {
  background: #f3f6fb;
}

body.dashboard-page::before {
  opacity: 0.18;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

img,
canvas {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
}

.logo-mark {
  display: block;
  width: 150px;
  height: 36px;
  background-image: url("statograph_dual_logo3.svg");
  background-repeat: no-repeat;
  background-size: 100% 200%;
  background-position: center bottom;
}

.logo-mark--red {
  background-position: center bottom;
}

.logo--on-light .logo-mark {
  background-position: center bottom;
}

.logo-mark--white,
.logo--on-dark .logo-mark {
  background-position: center top;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-weight: 600;
  color: var(--ink-soft);
}

.nav-link {
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-user {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.12);
}

.btn-solid {
  background: var(--sunset);
  color: #fff;
}

.btn-ghost {
  background: #fff;
  border-color: rgba(148, 163, 184, 0.45);
  color: var(--ink);
}

.btn-light {
  background: rgba(59, 130, 246, 0.12);
  color: var(--ocean);
  border-color: rgba(59, 130, 246, 0.25);
}

.section {
  padding: 72px 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
}

.hero-section {
  padding: 96px 0 80px;
}

.hero-stack {
  display: grid;
  gap: 22px;
  align-items: center;
  text-align: center;
}

.hero-stack h1 {
  font-size: clamp(2.7rem, 4vw, 3.8rem);
  margin: 0;
  line-height: 1.1;
}

.hero-stack p {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-media {
  margin-top: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.12);
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.hero-image {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--ocean);
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 22px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.feature-card h4 {
  margin-top: 0;
  margin-bottom: 12px;
}

.dashboard-steps {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.step-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.06);
}

.step-card strong {
  display: block;
  margin-bottom: 8px;
}

.auth-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.form-card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.form-card form {
  display: grid;
  gap: 14px;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #fff;
  font-family: inherit;
  font-size: 0.95rem;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.notice {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-weight: 600;
}

.notice.error {
  background: rgba(255, 91, 71, 0.15);
  color: #9b1b15;
}

.notice.success {
  background: rgba(31, 138, 112, 0.18);
  color: #0e5f4d;
}

.chart-hero {
  padding-top: 70px;
}

.chart-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: 2.1fr 1fr;
  align-items: start;
}

.chart-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow);
}

.chart-frame {
  height: 320px;
  margin-top: 16px;
}

.chart-frame canvas {
  width: 100% !important;
  height: 100% !important;
}

.trade-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding: 32px 0 80px;
  align-items: start;
}

.trade-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.trade-top h1 {
  margin: 12px 0 10px;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
}

.trade-top p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 640px;
}

.trade-top-actions {
  display: flex;
  gap: 12px;
}

.trade-sidebar {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
  height: fit-content;
}

.trade-sidebar h3 {
  margin: 0 0 18px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.side-links {
  display: grid;
  gap: 10px;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
}

.side-link:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
}

.side-link.is-active {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--ink);
}

.trade-main {
  display: grid;
  gap: 18px;
}

.filter-bar {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.filter-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.filter-group select,
.filter-group input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-family: inherit;
  min-width: 160px;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.trade-chart-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow);
}

.trade-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.trade-title {
  margin: 0;
  font-size: 1.4rem;
}


.chart-meta {
  display: grid;
  gap: 16px;
}

.meta-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.meta-card h4 {
  margin-top: 0;
  margin-bottom: 10px;
}

.share-row {
  display: flex;
  gap: 12px;
}

.share-row input {
  flex: 1;
  font-size: 0.9rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--ocean);
  font-weight: 600;
  font-size: 0.8rem;
}

.data-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.data-list li {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  color: var(--ink-soft);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  padding: 48px 0 28px;
  background: #fff;
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer-grid h4 {
  margin: 0 0 12px;
}

.footer-grid a {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
}

.footer-logo {
  margin-bottom: 12px;
}

.footer-bottom {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
}

.is-ready .reveal {
  animation: rise 0.7s ease forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero-media {
    padding: 12px;
  }

  .chart-layout {
    grid-template-columns: 1fr;
  }

  .trade-shell {
    grid-template-columns: 1fr;
  }

  .trade-sidebar {
    order: 2;
  }

  .trade-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 600px) {
  .nav-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .logo-mark {
    width: 120px;
    height: 30px;
  }

  .share-row {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .reveal {
    transition: none;
    animation: none;
  }
}