:root {
  --ink:#13201c;
  --ink2:#3d4d47;
  --mute:#6b7a73;
  --bg:#fbfaf6;
  --card:#ffffff;
  --line:#e5e8e1;
  --green:#1f5b4a;
  --green2:#2b7d63;
  --board:#16241f;
  --yellow:#f2d25c;
  --yellow2:#e7bf2c;
  --violet:#6d4fd6;
  --blue:#3f7fd9;
  --red:#c2413a;
  --r:18px;
  --shadow:0 18px 50px rgba(19,32,28,.10),0 2px 6px rgba(19,32,28,.05);
  --font:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --disp:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--green2);
}
img,
svg {
  max-width: 100%;
}
.wrap {
  width: min(1160px, 100% - 40px);
  margin: 0 auto;
}
[hidden] {
  display: none !important;
}
.devbar {
  background: #7c2d12;
  color: #fff;
  text-align: center;
  font: 600 13px var(--font);
  padding: 6px;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 246, .86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 800 21px var(--disp);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -.02em;
}
.logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--board);
  color: var(--yellow);
  font: 800 19px var(--disp);
}
.nav-links {
  display: flex;
  gap: 20px;
  margin-left: 12px;
}
.nav-links a {
  color: var(--ink2);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.nav-links a:hover {
  color: var(--ink);
}
.grow {
  flex: 1;
}
.nav-r {
  display: flex;
  gap: 10px;
  align-items: center;
}
@media (max-width: 760px) {
  .nav-links {
    display: none;
  }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: 600 15px var(--font);
  text-decoration: none;
  cursor: pointer;
  transition:
    transform .12s,
    box-shadow .15s,
    background .15s;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(19, 32, 28, .08);
}
.btn:disabled {
  opacity: .55;
  cursor: default;
  transform: none;
  box-shadow: none;
}
.btn.primary {
  background: var(--yellow);
  border-color: var(--yellow2);
  color: #1b2420;
}
.btn.primary:hover {
  background: #f6db77;
}
.btn.dark {
  background: var(--board);
  border-color: var(--board);
  color: #fff;
}
.btn.ghost {
  background: none;
  border-color: transparent;
}
.btn.big {
  height: 54px;
  padding: 0 28px;
  font-size: 16.5px;
  border-radius: 14px;
}
.btn.danger {
  color: var(--red);
  border-color: #efcdca;
}
.btn.ai {
  background:
    linear-gradient(
      135deg,
      var(--violet),
      var(--blue));
  color: #fff;
  border-color: transparent;
}
.hero {
  background:
    radial-gradient(
      900px 500px at 85% 0%,
      rgba(242, 210, 92, .18),
      transparent 60%),
    radial-gradient(
      800px 500px at 0% 100%,
      rgba(43, 125, 99, .14),
      transparent 60%);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0 76px;
}
.aud {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: 22px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}
.aud button {
  height: 36px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--ink2);
  font: 600 14px var(--font);
  cursor: pointer;
}
.aud button.on {
  background: var(--board);
  color: #fff;
}
h1 {
  font: 800 clamp(36px, 5vw, 58px)/1.05 var(--disp);
  letter-spacing: -.03em;
  margin: 0 0 18px;
}
h1 em {
  font-style: normal;
  background: linear-gradient(transparent 62%, rgba(242, 210, 92, .75) 62%);
}
.lead {
  font-size: 19px;
  color: var(--ink2);
  max-width: 560px;
  margin: 0 0 28px;
}
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.fine {
  font-size: 13.5px;
  color: var(--mute);
  margin-top: 14px;
}
body[data-aud=edu] [data-for=biz],
body[data-aud=biz] [data-for=edu] {
  display: none !important;
}
@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    padding: 40px 0 56px;
  }
}
.mock {
  position: relative;
  border-radius: 22px;
  background: var(--board);
  padding: 14px;
  box-shadow: 0 40px 80px rgba(19, 32, 28, .28);
  transform: rotate(1.2deg);
}
.mock-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.mock-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff26;
}
.mock-slide {
  aspect-ratio: 16/9;
  border-radius: 12px;
  background: #1e3a32;
  color: #eef3ec;
  padding: 6% 7%;
  display: flex;
  flex-direction: column;
  gap: 5%;
}
.mock-slide .k {
  color: var(--yellow);
  font: 700 11px var(--font);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.mock-slide h3 {
  margin: 0;
  font: 800 clamp(16px, 2.2vw, 26px)/1.15 var(--disp);
}
.mock-q {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mock-q span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #2b4640;
  font-size: clamp(10px, 1.2vw, 14px);
}
.mock-q b {
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  color: #1b2420;
  font-size: 12px;
}
.mock-q .ok {
  background: rgba(60, 196, 124, .3);
  box-shadow: inset 0 0 0 2px #3cc47c;
  animation: okpop 2.4s 1s ease-in-out infinite;
}
.mock-q .ok b {
  background: #3cc47c;
  color: #fff;
}
@keyframes okpop {
  0%, 70%, 100% {
    transform: none;
  }
  80% {
    transform: scale(1.04);
  }
}
.mock-poll {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.mock-poll div {
  display: grid;
  grid-template-columns: 90px 1fr 26px;
  align-items: center;
  gap: 8px;
  font-size: clamp(10px, 1.2vw, 14px);
}
.mock-poll i {
  display: block;
  height: 12px;
  border-radius: 6px;
  background:
    linear-gradient(
      90deg,
      var(--yellow),
      #f7e39a);
  animation: grow 1.4s ease both;
}
@keyframes grow {
  from {
    width: 0 !important;
  }
}
.mock-tools {
  position: absolute;
  left: 50%;
  bottom: -18px;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 7px 9px;
  border-radius: 14px;
  background: #0f1a16;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
}
.mock-tools span {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #ffffff14;
  display: grid;
  place-items: center;
  font-size: 14px;
}
.mock-tools span.on {
  background: var(--yellow);
}
.mock-timer {
  position: absolute;
  right: -14px;
  top: 30%;
  padding: 10px 14px;
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font: 800 22px var(--disp);
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
}
.mock-timer small {
  display: block;
  font: 600 10px var(--font);
  color: var(--mute);
  letter-spacing: .06em;
}
section {
  padding: 84px 0;
}
.sec-h {
  max-width: 720px;
  margin: 0 0 42px;
}
.sec-h .k {
  display: inline-block;
  color: var(--green2);
  font: 700 13px var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
h2 {
  font: 800 clamp(28px, 3.4vw, 40px)/1.12 var(--disp);
  letter-spacing: -.02em;
  margin: 0 0 12px;
}
.sec-h p {
  color: var(--ink2);
  font-size: 17.5px;
  margin: 0;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px) {
  .grid3 {
    grid-template-columns: 1fr;
  }
}
.feat {
  padding: 26px;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .03);
}
.feat .ic {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 23px;
  margin-bottom: 14px;
  background: var(--c,#eef6f1);
}
.feat h3 {
  margin: 0 0 6px;
  font: 700 18px var(--disp);
}
.feat p {
  margin: 0;
  color: var(--ink2);
  font-size: 15px;
}
.dark-sec {
  background: var(--board);
  color: #eef3ec;
}
.dark-sec .sec-h p {
  color: #b9c8c0;
}
.dark-sec .sec-h .k {
  color: var(--yellow);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: s;
}
@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr;
  }
}
.step {
  padding: 26px;
  border-radius: var(--r);
  background: #ffffff0d;
  border: 1px solid #ffffff1a;
}
.step::before {
  counter-increment: s;
  content: counter(s);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--yellow);
  color: #1b2420;
  font: 800 18px var(--disp);
  margin-bottom: 14px;
}
.step h3 {
  margin: 0 0 6px;
  font: 700 18px var(--disp);
}
.step p {
  margin: 0;
  color: #b9c8c0;
  font-size: 15px;
}
.int {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: 28px;
}
.int button {
  height: 36px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--ink2);
  font: 600 14px var(--font);
  cursor: pointer;
}
.int button.on {
  background: var(--board);
  color: #fff;
}
.int small {
  color: var(--green2);
  font-weight: 700;
}
.prices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 380px));
  gap: 20px;
}
@media (max-width: 760px) {
  .prices {
    grid-template-columns: 1fr;
  }
}
.price {
  position: relative;
  padding: 30px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.price.pro {
  border: 2px solid var(--violet);
}
.price h3 {
  margin: 0;
  font: 800 22px var(--disp);
}
.amount {
  font: 800 44px/1 var(--disp);
  letter-spacing: -.02em;
}
.amount small {
  font: 500 15px var(--font);
  color: var(--mute);
  margin-left: 4px;
}
body[data-int=month] [data-int-show=year],
body[data-int=year] [data-int-show=month] {
  display: none !important;
}
.price ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 15px;
  color: var(--ink2);
}
.price li::before {
  content: "\2713";
  color: var(--green2);
  font-weight: 800;
  margin-right: 9px;
}
.badge {
  position: absolute;
  top: -13px;
  right: 22px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--violet);
  color: #fff;
  font: 700 12px var(--font);
}
body[data-pro=soon] .pro-live {
  display: none !important;
}
body[data-pro=on] .pro-soon {
  display: none !important;
}
.faq details {
  max-width: 780px;
}
details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font: 700 17px var(--disp);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
summary::after {
  content: "+";
  font-weight: 400;
  color: var(--mute);
  font-size: 24px;
  line-height: 1;
}
details[open] summary::after {
  content: "\2013";
}
details p {
  color: var(--ink2);
  margin: 10px 0 0;
}
footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}
footer a {
  color: var(--ink2);
  text-decoration: none;
}
.center {
  min-height: calc(100vh - 66px);
  display: grid;
  place-items: center;
  padding: 40px 20px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.auth {
  width: min(430px, 100%);
}
.tabs {
  display: flex;
  padding: 4px;
  border-radius: 14px;
  background: #f1f2ec;
  margin-bottom: 22px;
}
.tabs button {
  flex: 1;
  height: 40px;
  border: 0;
  border-radius: 11px;
  background: none;
  font: 600 15px var(--font);
  color: var(--ink2);
  cursor: pointer;
}
.tabs button.on {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .08);
}
label.f {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink2);
}
input[type=email],
input[type=password],
input[type=text] {
  height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid #d6dbd3;
  font: 16px var(--font);
  color: var(--ink);
  background: #fff;
  outline: none;
}
input:focus {
  border-color: var(--green2);
  box-shadow: 0 0 0 4px rgba(43, 125, 99, .14);
}
.chk {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink2);
  margin: 4px 0 16px;
}
.chk input {
  margin-top: 4px;
  width: 17px;
  height: 17px;
  accent-color: var(--green2);
}
.auth .btn {
  width: 100%;
}
.msg {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14.5px;
  margin: 0 0 16px;
}
.msg.err {
  background: #fdecea;
  color: #8c2a23;
}
.msg.ok {
  background: #e8f5ee;
  color: #1d5c40;
}
.msg.info {
  background: #fdf6dc;
  color: #6b5510;
}
.small-links {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 14px;
}
body[data-mode=login] .only-signup,
body[data-mode=login] .only-forgot,
body[data-mode=signup] .only-login,
body[data-mode=signup] .only-forgot,
body[data-mode=forgot] .only-login,
body[data-mode=forgot] .only-signup,
body[data-mode=forgot] .pw-row,
body[data-mode=forgot] .tabs {
  display: none !important;
}
.acct-wrap {
  width: min(900px, 100% - 40px);
  margin: 40px auto 80px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
#acct {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.acct-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}
.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    linear-gradient(
      135deg,
      var(--violet),
      var(--blue));
  color: #fff;
  font: 800 22px var(--disp);
}
.acct-top b {
  display: block;
  font-size: 17px;
}
.plan-tag {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 10px;
  border-radius: 999px;
  font: 700 12px var(--font);
  background: #eef1ea;
  color: var(--ink2);
}
.plan-tag.p-trial {
  background: #fdf6dc;
  color: #6b5510;
}
.plan-tag.p-basic {
  background: #e8f5ee;
  color: #1d5c40;
}
.plan-tag.p-pro {
  background: #ece7fb;
  color: #4b33a8;
}
.plan-tag.p-none {
  background: #fdecea;
  color: #8c2a23;
}
.plan-tag.p-free {
  background: #e3f0fb;
  color: #1f4f7a;
}
.card h3 {
  margin: 0 0 10px;
  font: 700 18px var(--disp);
}
.muted {
  color: var(--mute);
  margin: 6px 0 14px;
}
.row {
  display: flex;
  align-items: center;
}
.gap {
  gap: 10px;
  flex-wrap: wrap;
}
.bar {
  height: 10px;
  border-radius: 5px;
  background: #eef1ea;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  background:
    linear-gradient(
      90deg,
      var(--green2),
      var(--yellow));
}
.card.dev {
  border: 2px dashed #c2410c;
}
.loader {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--board);
  color: #dfe8e2;
  font: 500 16px var(--font);
  text-align: center;
}
.loader .logo {
  width: 64px;
  height: 64px;
  font-size: 34px;
  border-radius: 18px;
  margin: 0 auto 18px;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  50% {
    transform: scale(1.08);
  }
}
.legal {
  width: min(820px, 100% - 40px);
  margin: 40px auto 80px;
}
.legal h1 {
  font-size: 38px;
}
.legal h2 {
  font-size: 22px;
  margin-top: 34px;
}
.legal .todo {
  background: #fdf6dc;
  border: 1px dashed var(--yellow2);
  border-radius: 10px;
  padding: 2px 8px;
}
body[data-ff=off] .ff-on {
  display: none !important;
}
.prices.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1120px;
}
@media (max-width: 980px) {
  .prices.three {
    grid-template-columns: 1fr;
    max-width: 460px;
  }
}
.price.founder {
  border: 2px solid var(--yellow2);
}
.price .left {
  margin: 0;
  font-size: 14px;
  color: var(--ink2);
}
.price .left b {
  color: var(--ink);
}
.price .btn {
  margin-top: auto;
}
.badge.gold {
  background: var(--yellow);
  color: #1b2420;
}
.price.school .amount small:first-child {
  font-size: 15px;
}
.soft-sec {
  background: #f1f3ec;
}
.spks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 1120px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .spks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .spks {
    grid-template-columns: 1fr;
  }
}
.spk {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
}
.spk b {
  font: 800 18px var(--disp);
}
.spk span {
  color: var(--mute);
  font-size: 14px;
}
.spk em {
  font: 800 26px var(--disp);
  font-style: normal;
  margin-top: 6px;
}
.spk em small {
  font: 500 14px var(--font);
  color: var(--mute);
}
.school-how {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1120px;
  margin: 26px auto 0;
}
@media (max-width: 760px) {
  .school-how {
    grid-template-columns: 1fr;
  }
}
.school-how div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.school-how span {
  color: var(--ink2);
  font-size: 15px;
}
.invite {
  max-width: 1120px;
  margin: 14px auto 0;
  padding: 12px 16px;
  border-radius: 14px;
  background: #fdf6dc;
  border: 1px solid var(--yellow2);
  color: #5a4a0e;
  font-size: 15px;
}
.copy-row {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}
.copy-row input {
  flex: 1;
  min-width: 0;
}
.stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 8px 0 0;
  color: var(--ink2);
  font-size: 14px;
}
.stats b {
  color: var(--ink);
  font-size: 18px;
  margin-right: 4px;
}
.members {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.members li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: #f6f7f3;
  font-size: 14.5px;
}
.members button {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
}
.plan-tag.p-school {
  background: #e8f5ee;
  color: #1d5c40;
}
.readonly-note {
  margin: 0;
}
#extra,
#acct-end {
  display: contents;
}
@media (max-width: 480px) {
  .nav .wrap {
    gap: 10px;
  }
  .nav-r {
    gap: 6px;
  }
  .nav-r .btn {
    white-space: nowrap;
    padding: 9px 12px;
    font-size: 14px;
  }
  .brand {
    font-size: 0;
    gap: 0;
  }
  .brand .logo {
    font-size: 16px;
  }
}