/* ============================================================
   GeoFlow design system — v3 "paper & ink"
   ============================================================ */

:root {
  --paper: #faf3e8;
  --paper-2: #f4ead9;
  --card: #fffdf7;
  --ink: #17130c;
  --muted: #6f665a;
  --orange: #ff5a1f;
  --blue: #2f5cff;
  --yellow: #ffd23f;
  --green: #1fb96b;
  --red: #e6472e;
  --bw: 2px;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 5px 5px 0 var(--ink);
  --shadow-sm: 3px 3px 0 var(--ink);
  --max: 1160px;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-hand: "Caveat", "Comic Sans MS", cursive;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

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

body {
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 8% 4%, rgba(255, 210, 63, 0.25), transparent 30%),
    radial-gradient(circle at 94% 12%, rgba(47, 92, 255, 0.10), transparent 30%),
    var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* faint dotted grid, like graph paper */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(23, 19, 12, 0.10) 1px, transparent 1.5px);
  background-size: 26px 26px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--yellow); }

.container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.muted { color: var(--muted); }

/* ---------- scroll progress ---------- */

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  width: 0;
  background: var(--orange);
  border-right: var(--bw) solid var(--ink);
  z-index: 90;
}

/* ---------- typography ---------- */

h1, h2, h3, .display { font-family: var(--font-display); letter-spacing: -0.03em; }

.display-xl {
  font-size: clamp(2.7rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 700;
}

.display-lg {
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
  font-weight: 700;
}

/* marker highlight */
.hl {
  background-image: linear-gradient(104deg, transparent 1%, var(--yellow) 2%, var(--yellow) 98%, transparent 99%);
  background-size: 100% 62%;
  background-position: 0 72%;
  background-repeat: no-repeat;
  padding: 0 0.12em;
}

.hl--orange { background-image: linear-gradient(104deg, transparent 1%, #ffc5ab 2%, #ffc5ab 98%, transparent 99%); }
.hl--blue { background-image: linear-gradient(104deg, transparent 1%, #c3d1ff 2%, #c3d1ff 98%, transparent 99%); }

/* handwritten scribble note */
.scribble {
  font-family: var(--font-hand);
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--blue);
  transform: rotate(-3deg);
  display: inline-block;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 600;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 54ch;
}

.lead strong { color: var(--ink); }

/* sticker chip */
.sticker {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  padding: 8px 16px;
  border: var(--bw) solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: var(--shadow-sm);
  transform: rotate(-2deg);
}

.sticker--orange { background: var(--orange); color: #fff; }
.sticker--blue { background: var(--blue); color: #fff; }
.sticker--paper { background: var(--card); }
.sticker--tilt-r { transform: rotate(2.5deg); }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 243, 232, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--bw) solid var(--ink);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: #fff;
  background: var(--orange);
  border: var(--bw) solid var(--ink);
  box-shadow: var(--shadow-sm);
  transform: rotate(-4deg);
}

.brand em { font-style: normal; color: var(--orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links > a:not(.btn) { border-bottom: 2px solid transparent; padding-bottom: 2px; }
.nav-links > a:not(.btn):hover { border-bottom-color: var(--orange); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 14px;
  border: var(--bw) solid var(--ink);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--orange);
  color: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--ghost { background: var(--card); color: var(--ink); }
.btn--yellow { background: var(--yellow); color: var(--ink); }
.btn--blue { background: var(--blue); color: #fff; }
.btn--sm { padding: 10px 18px; font-size: 0.85rem; border-radius: 11px; box-shadow: var(--shadow-sm); }

.btn-note {
  font-family: var(--font-hand);
  font-size: 1.25rem;
  color: var(--muted);
  margin-top: 14px;
  transform: rotate(-1.5deg);
  display: inline-block;
}

/* ---------- cards ---------- */

.card {
  border: var(--bw) solid var(--ink);
  border-radius: var(--radius);
  background: var(--card);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover { transform: translate(-3px, -3px) rotate(-0.3deg); box-shadow: 8px 8px 0 var(--ink); }

.card h3 { font-size: 1.15rem; margin: 12px 0 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }

.card--yellow { background: var(--yellow); }
.card--yellow p { color: rgba(23, 19, 12, 0.72); }
.card--ink { background: var(--ink); color: var(--paper); }
.card--ink h3 { color: var(--paper); }
.card--ink p { color: rgba(250, 243, 232, 0.75); }

/* ---------- sections ---------- */

.section { padding: 110px 0; }
.section--tight { padding-top: 0; }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 { margin: 18px 0 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* dashed "cut here" divider */
.cut-line {
  border: 0;
  border-top: 2px dashed rgba(23, 19, 12, 0.35);
  margin: 0 auto;
  width: min(var(--max), calc(100% - 44px));
  position: relative;
}

.cut-line::after {
  content: "✂";
  position: absolute;
  left: 28px;
  top: -13px;
  background: var(--paper);
  padding: 0 8px;
  color: rgba(23, 19, 12, 0.45);
  font-size: 1rem;
}

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  border-top: var(--bw) solid var(--ink);
  border-bottom: var(--bw) solid var(--ink);
  padding: 18px 0;
  background: var(--ink);
  transform: rotate(-1deg) scale(1.02);
}

.marquee-track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: marquee 26s linear infinite;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
  white-space: nowrap;
}

.marquee-track span b { color: var(--yellow); font-weight: 700; margin-right: 44px; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- forms ---------- */

.form-card {
  border: var(--bw) solid var(--ink);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 36px;
  box-shadow: 8px 8px 0 var(--ink);
}

.field { margin-bottom: 22px; }

.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.field .hint { font-size: 0.8rem; color: var(--muted); margin-bottom: 10px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--paper);
  border: var(--bw) solid var(--ink);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--ink);
  font-size: 0.94rem;
  font-family: var(--font-body);
  outline: none;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  box-shadow: 3px 3px 0 var(--blue);
  transform: translate(-1px, -1px);
}

.field textarea { resize: vertical; min-height: 84px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.fine-print { font-size: 0.78rem; color: var(--muted); text-align: center; margin-top: 14px; }

.success { display: none; text-align: center; padding: 44px 16px; }
.success.show { display: block; }
.success .check {
  width: 68px; height: 68px; margin: 0 auto 18px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: 1.7rem;
  color: #fff;
  background: var(--green);
  border: var(--bw) solid var(--ink);
  box-shadow: var(--shadow-sm);
}
.success h2 { font-size: 1.6rem; margin-bottom: 10px; }
.success p { color: var(--muted); font-size: 0.94rem; }

/* checklist */
.checklist { list-style: none; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 12px; font-size: 0.95rem; align-items: baseline; }
.checklist li::before {
  content: "✓";
  flex: 0 0 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  background: var(--green);
  border: 2px solid var(--ink);
  border-radius: 7px;
}

/* ---------- chat bubbles ---------- */

.bubble {
  border: var(--bw) solid var(--ink);
  border-radius: 16px;
  background: var(--card);
  padding: 13px 15px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.bubble small {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
  font-weight: 600;
}

.bubble.out { background: #ffe9df; }
.bubble.out small { color: var(--orange); }
.bubble.in { background: #e3eaff; }
.bubble.in small { color: var(--blue); }

/* ---------- faq ---------- */

.faq {
  border: var(--bw) solid var(--ink);
  border-radius: 16px;
  background: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq + .faq { margin-top: 16px; }
.faq[open] { background: var(--yellow); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  transition: transform 0.25s ease;
}

.faq[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 24px 22px; color: rgba(23, 19, 12, 0.72); font-size: 0.95rem; }

/* ---------- footer ---------- */

.footer {
  margin-top: 60px;
  background: var(--ink);
  color: var(--paper);
  border-top: var(--bw) solid var(--ink);
  padding: 64px 0 32px;
  overflow: hidden;
}

.footer .brand { color: var(--paper); }
.footer .brand em { color: var(--yellow); }

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.footer-blurb { max-width: 30ch; color: rgba(250, 243, 232, 0.65); font-size: 0.92rem; margin-top: 14px; }

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(250, 243, 232, 0.7);
  font-size: 0.92rem;
  padding: 5px 0;
}

.footer-col a:hover { color: var(--yellow); }

.footer-mega {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4rem, 15vw, 13rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 2px rgba(250, 243, 232, 0.28);
  user-select: none;
  pointer-events: none;
}

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(250, 243, 232, 0.2);
  margin-top: 36px;
  padding-top: 22px;
  color: rgba(250, 243, 232, 0.5);
  font-size: 0.82rem;
}

/* ---------- scroll animations ---------- */

[data-anim] {
  opacity: 0;
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

[data-anim="up"]    { transform: translateY(46px); }
[data-anim="left"]  { transform: translateX(-64px) rotate(-1deg); }
[data-anim="right"] { transform: translateX(64px) rotate(1deg); }
[data-anim="pop"]   { transform: scale(0.82); }
[data-anim="tilt"]  { transform: rotate(-6deg) translateY(30px) scale(0.94); }

[data-anim].in { opacity: 1; transform: none; }

[data-delay="1"] { transition-delay: 0.12s; }
[data-delay="2"] { transition-delay: 0.24s; }
[data-delay="3"] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 80px 0; }
}

@media (max-width: 720px) {
  .container { width: calc(100% - 32px); }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .nav-links { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 26px; box-shadow: 6px 6px 0 var(--ink); }
  .card { padding: 24px; }
}