:root {
  --green: #16a34a;
  --green-strong: #11823a;
  --green-dark: #0c6331;
  --green-soft: #e9f8ed;
  --green-faint: #f5fbf6;
  --ink: #19211b;
  --muted: #748078;
  --line: #e9eeea;
  --white: #fff;
  --radius: 18px;
  --width: 1060px;
  --shadow: 0 18px 48px rgba(34, 61, 43, .09);
  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
section { scroll-margin-top: 24px; }
.container { width: min(calc(100% - 36px), var(--width)); margin: 0 auto; }
.green { color: var(--green); }

.announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  color: #fff;
  background: var(--green);
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.announcement-icon { width: 18px; height: 18px; flex: 0 0 18px; }

.hero { overflow: hidden; padding: 45px 0 75px; text-align: center; }

.tag {
  width: max-content;
  max-width: 100%;
  margin: 0 auto 19px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--green-strong);
  background: var(--green-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0 auto 12px;
  font-size: clamp(37px, 5.6vw, 61px);
  font-weight: 900;
  line-height: 1.035;
  letter-spacing: -.068em;
}

.showcase {
  width: min(100%, 870px);
  margin: 28px auto 19px;
}

.product-showcase {
  position: relative;
  height: 450px;
  isolation: isolate;
}

.showcase-glow {
  position: absolute;
  left: 50%;
  bottom: 53px;
  z-index: -1;
  width: 77%;
  height: 63%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(22, 163, 74, .11), rgba(233, 248, 237, .43) 54%, transparent 73%);
  transform: translateX(-50%);
}

.device {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(32, 47, 37, .14);
  background: #fff;
  box-shadow: 0 25px 60px rgba(27, 43, 33, .14);
}

.device-laptop {
  top: 32px;
  left: 50%;
  z-index: 2;
  width: 66%;
  overflow: visible;
  padding: 7px 7px 9px;
  border: 8px solid #25342c;
  border-radius: 18px 18px 10px 10px;
  background: #25342c;
  transform: translateX(-50%);
}

.device-toolbar {
  height: 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 6px 6px 0 0;
  color: #69766d;
  background: #f3f5f3;
  font-size: 8px;
  font-weight: 600;
}

.toolbar-dots {
  position: absolute;
  left: 10px;
  display: flex;
  gap: 4px;
}

.toolbar-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fc786e;
}

.toolbar-dots i:nth-child(2) { background: #f1c348; }
.toolbar-dots i:nth-child(3) { background: #60c775; }

.device-screen {
  overflow: hidden;
  aspect-ratio: 1.6;
  border-radius: 0 0 5px 5px;
  background: #fffdf8;
}

.device-screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.laptop-base {
  position: absolute;
  right: -26px;
  bottom: -19px;
  left: -26px;
  height: 12px;
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, #d6dcd7, #939e96);
}

.laptop-base::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 18%;
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: rgba(255, 255, 255, .65);
  content: "";
  transform: translateX(-50%);
}

.device-tablet {
  left: 3%;
  bottom: 31px;
  z-index: 4;
  width: 23%;
  padding: 9px;
  border: 7px solid #27372f;
  border-radius: 20px;
  background: #27372f;
  transform: rotate(-7deg);
}

.tablet-screen {
  overflow: hidden;
  padding: 11px 8px 10px;
  border-radius: 7px;
  background: #fffdf9;
}

.tablet-heading { margin-bottom: 9px; text-align: left; }
.tablet-heading span, .tablet-heading strong { display: block; }
.tablet-heading span { color: var(--green); font-size: 6px; font-weight: 800; letter-spacing: .08em; }
.tablet-heading strong { margin-top: 2px; font-size: 11px; }

.tablet-screen img {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 7px;
  border: 1px solid #e9eeea;
  border-radius: 5px;
}

.tablet-screen img:last-child { margin-bottom: 0; }

.device-phone {
  right: 4%;
  bottom: 40px;
  z-index: 5;
  width: 15%;
  padding: 20px 6px 8px;
  border: 6px solid #23312a;
  border-radius: 23px;
  background: #fffdf8;
  transform: rotate(7deg);
}

.phone-speaker {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 33%;
  height: 7px;
  border-radius: 99px;
  background: #23312a;
  transform: translateX(-50%);
}

.device-phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
}

.flashcard-stack {
  position: absolute;
  bottom: 7px;
  left: 50%;
  z-index: 6;
  width: 37%;
  height: 184px;
  transform: translateX(-50%);
}

.stack-card {
  position: absolute;
  bottom: 0;
  width: 38%;
  height: auto;
  aspect-ratio: 410 / 559;
  border: 3px solid #fff;
  border-radius: 14px;
  object-fit: contain;
  box-shadow: 0 13px 30px rgba(36, 49, 41, .2);
}

.stack-card-left { left: 8%; transform: rotate(-12deg); }
.stack-card-center { left: 30%; z-index: 2; transform: translateY(-7px); }
.stack-card-right { right: 6%; transform: rotate(12deg); }

.floating-stat {
  position: absolute;
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid rgba(22, 163, 74, .14);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 12px 25px rgba(33, 54, 39, .1);
}

.floating-stat strong { color: var(--green); font-size: 21px; line-height: 1; }
.floating-stat span { color: #526057; font-size: 9px; font-weight: 700; }
.floating-maps { top: 47px; left: 1%; }
.floating-cards { top: 129px; right: 0; }

.hero-description {
  max-width: 635px;
  margin: 0 auto 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.hero-description strong { color: #34443a; font-weight: 700; }

.button {
  width: min(100%, 460px);
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 12px 24px rgba(22, 163, 74, .18);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.button:hover { background: var(--green-strong); box-shadow: 0 15px 30px rgba(22, 163, 74, .22); transform: translateY(-1px); }
.button:focus-visible, .faq-question:focus-visible { outline: 3px solid rgba(22, 163, 74, .25); outline-offset: 4px; }
.button.secondary { color: var(--green-dark); border: 1px solid rgba(22, 163, 74, .3); background: #fff; box-shadow: none; }
.button.secondary:hover { background: var(--green-faint); }
.trust-note { margin: 13px 0 0; color: var(--muted); font-size: 12px; }

.facts { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fbfcfb; }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }

.fact {
  min-height: 97px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 17px;
  border-right: 1px solid var(--line);
  text-align: center;
}

.fact:last-child { border-right: 0; }
.fact strong { color: var(--green); font-size: 17px; }
.fact span { color: var(--muted); font-size: 11px; }

.section { padding: 95px 0; }
.section.soft { background: var(--green-faint); }
.section-heading { max-width: 700px; margin: 0 auto 44px; text-align: center; }

.overline {
  margin-bottom: 10px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.13;
  letter-spacing: -.055em;
}

.section-heading p:last-child { max-width: 620px; margin: 0 auto; color: var(--muted); font-size: 16px; }

.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit { padding: 25px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }

.benefit-icon {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 11px;
  color: var(--green);
  background: var(--green-soft);
  font-size: 14px;
  font-weight: 900;
}

.benefit h3 { margin-bottom: 7px; font-size: 17px; letter-spacing: -.025em; }
.benefit p { margin: 0; color: var(--muted); font-size: 13px; }

.preview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

.preview {
  overflow: hidden;
  padding: 20px;
  border: 1px solid #e1e9e2;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 10px 27px rgba(48, 76, 54, .045);
}

.preview-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 11px; color: var(--muted); font-size: 10px; font-weight: 600; }
.real-label { padding: 5px 8px; border-radius: 999px; color: var(--green-strong); background: var(--green-soft); font-size: 8px; font-weight: 800; white-space: nowrap; }
.preview h3 { margin-bottom: 14px; font-size: 20px; letter-spacing: -.035em; }

.preview-media {
  overflow: hidden;
  aspect-ratio: 1.414;
  border: 1px solid #edf0ed;
  border-radius: 13px;
  background: #fffdf8;
}

.preview-image { display: block; width: 100%; height: 100%; object-fit: contain; }
.preview-caption { margin-top: 12px; color: var(--muted); font-size: 11px; }

.flashcards-gallery {
  position: relative;
  isolation: isolate;
  background: radial-gradient(ellipse at 50% 90%, #ddf7e3, transparent 65%), linear-gradient(145deg, #fbfdf9, #f0f9f1);
}

.gallery-card {
  position: absolute;
  bottom: -11px;
  width: 33%;
  height: auto;
  aspect-ratio: 410 / 559;
  border: 3px solid #fff;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 12px 24px rgba(37, 54, 42, .17);
}

.gallery-one { left: 7%; transform: rotate(-11deg); }
.gallery-two { left: 26%; bottom: -5px; z-index: 2; transform: rotate(-4deg); }
.gallery-three { left: 45%; bottom: -2px; z-index: 3; transform: rotate(5deg); }
.gallery-four { right: 1%; transform: rotate(13deg); }

.preview-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 27px;
  padding: 16px 18px;
  border: 1px solid rgba(22, 163, 74, .13);
  border-radius: 15px;
  color: #57645b;
  background: rgba(255, 255, 255, .8);
  font-size: 12px;
}

.preview-summary strong { color: var(--green); font-size: 18px; }

.subjects { max-width: 860px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0 auto; }
.subject { padding: 10px 14px; border: 1px solid #dfe9e0; border-radius: 10px; color: #435047; background: #fff; font-size: 13px; font-weight: 700; }

.materials { max-width: 940px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 0 auto; }
.material { display: grid; grid-template-columns: 43px 1fr; gap: 14px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }

.material-number {
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--green);
  background: var(--green-soft);
  font-size: 12px;
  font-weight: 900;
}

.material h3 { margin: 1px 0 4px; font-size: 16px; }
.material p { margin: 0; color: var(--muted); font-size: 12px; }
.material small { display: inline-block; margin-top: 8px; color: var(--green); font-size: 10px; font-weight: 800; }

.pricing-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, #f5fbf6 38%, #f5fbf6 72%, #fff 100%);
}

.pricing-wrap { max-width: 1020px; margin: 0 auto; }
.pricing { display: grid; grid-template-columns: minmax(0, 960px); justify-content: center; padding-top: 18px; }

.price-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .96fr);
  align-items: center;
  gap: 34px;
  padding: 42px 37px 33px;
  border: 1px solid #28362e;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(145deg, #171d19, #111613 72%);
  box-shadow: 0 25px 55px rgba(20, 33, 24, .17);
}

.price-card.featured {
  border-color: #28362e;
  background: linear-gradient(145deg, #171d19, #111613 72%);
}

.best {
  position: absolute;
  top: -19px;
  left: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(120deg, #fb4775, #ee315e);
  box-shadow: 0 7px 20px rgba(238, 49, 94, .27);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
  transform: translateX(-50%);
}

.best svg { width: 15px; height: 15px; flex: 0 0 15px; }
.offer-pulse { animation: offerPulse 1.9s ease-in-out infinite; }

@keyframes offerPulse {
  0%, 100% { box-shadow: 0 7px 20px rgba(238, 49, 94, .27); transform: translateX(-50%) scale(1); }
  50% { box-shadow: 0 9px 29px rgba(238, 49, 94, .46); transform: translateX(-50%) scale(1.045); }
}

.offer-includes { padding-right: 31px; border-right: 1px solid rgba(255, 255, 255, .1); }
.plan-name { display: block; margin-bottom: 8px; color: #d2af63; font-size: 10px; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.price-card h3 { margin: 0 0 6px; color: #fff; font-size: 20px; letter-spacing: -.04em; }
.plan-copy { margin: 0 0 23px; color: #a0aaa3; font-size: 11px; line-height: 1.65; }

.items { display: grid; gap: 17px; margin: 0 0 21px; padding: 0; list-style: none; }
.items li { display: grid; grid-template-columns: 21px minmax(0, 1fr); align-items: start; gap: 10px; }

.item-check {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  border: 1px solid rgba(211, 177, 101, .65);
  border-radius: 50%;
  color: #d4b367;
  background: rgba(211, 177, 101, .08);
  font-size: 11px;
  font-weight: 900;
}

.featured .item-check { color: #d4b367; background: rgba(211, 177, 101, .08); }
.items li strong { display: block; color: #fff; font-size: 12px; font-weight: 750; }
.items li small { display: block; margin-top: 2px; color: #909b94; font-size: 10px; }
.offer-instant { padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .1); color: #8fbc9b; font-size: 9px; line-height: 1.6; }
.offer-instant span { margin-right: 5px; color: #38bf6d; }

.offer-purchase { min-width: 0; display: flex; flex-direction: column; align-items: center; }

.price-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 0 19px;
  padding: 0;
  border: 0;
  background: transparent;
}

.featured .price-box { border: 0; background: transparent; }
.price-caption { margin-bottom: 6px; color: #e4748c; font-size: 11px; font-weight: 600; }
.price-caption del { color: #e4748c; font-weight: 700; text-decoration-thickness: 1.5px; }
.amount { display: flex; align-items: flex-end; gap: 2px; color: #d8b35f; }
.amount > span:first-child { padding-bottom: 14px; color: #d8b35f; font-size: 28px; font-weight: 800; }
.amount strong { color: #d8b35f; font-size: 105px; line-height: .86; letter-spacing: -.095em; }
.amount .price-cents { padding-bottom: 12px; color: #d8b35f; font-size: 47px; font-weight: 800; letter-spacing: -.075em; }
.featured .amount strong, .featured .amount .price-cents { color: #d8b35f; }
.payment-note { margin-top: 10px; color: #88958c; font-size: 9px; font-weight: 800; letter-spacing: .07em; }
.price-card .button { width: 100%; min-height: 59px; font-size: 11px; }
.featured .button { min-height: 59px; background: linear-gradient(110deg, #0a9850, #16b864); box-shadow: 0 10px 24px rgba(14, 160, 78, .2); }
.offer-trust { width: 100%; display: flex; align-items: center; justify-content: center; gap: 17px; margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .1); }
.offer-trust > span { display: flex; align-items: center; gap: 5px; color: #37bc6b; font-size: 8px; font-weight: 700; white-space: nowrap; }
.offer-trust svg { width: 14px; height: 14px; }
.offer-payment-info { margin-top: 12px; color: #818d85; font-size: 9px; }
.pricing-note { margin: 22px 0 0; color: var(--muted); font-size: 11px; text-align: center; }

.guarantee-section { padding: 34px 0 90px; background: #fff; }
.guarantee-box { max-width: 895px; display: grid; grid-template-columns: 185px minmax(0, 1fr); align-items: center; gap: 39px; margin: 0 auto; padding: 32px 40px; border: 1px solid #d8eddd; border-radius: 24px; background: linear-gradient(120deg, #f1fbf3, #fff 78%); box-shadow: 0 17px 38px rgba(37, 91, 50, .065); }
.guarantee-seal { position: relative; width: 166px; height: 166px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 3px solid #d7b46b; border-radius: 50%; color: #145f34; background: radial-gradient(circle at 35% 25%, #fffef8, #eff8ea 74%); box-shadow: inset 0 0 0 7px rgba(215, 180, 107, .12), 0 12px 24px rgba(33, 94, 50, .1); }
.guarantee-seal::before { position: absolute; inset: 10px; border: 1px dashed rgba(205, 159, 75, .6); border-radius: 50%; content: ""; }
.seal-label { z-index: 1; font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.seal-number { z-index: 1; margin: 2px 0 0; color: var(--green); font-size: 63px; font-weight: 900; line-height: .97; }
.seal-days { z-index: 1; font-size: 14px; font-weight: 900; letter-spacing: .12em; }
.seal-shield { position: absolute; right: 6px; bottom: 4px; z-index: 2; width: 36px; height: 36px; padding: 7px; border-radius: 50%; color: #fff; background: var(--green); box-shadow: 0 5px 12px rgba(22, 163, 74, .25); }
.guarantee-copy .overline { margin-bottom: 8px; }
.guarantee-copy h2 { margin: 0 0 10px; font-size: 35px; line-height: 1.18; letter-spacing: -.055em; }
.guarantee-copy > p:not(.overline) { max-width: 535px; margin: 0 0 13px; color: #657168; font-size: 13px; line-height: 1.75; }
.guarantee-note { color: var(--green-strong); font-size: 11px; font-weight: 700; }

.testimonials-carousel { width: 100%; max-width: 1050px; margin: 0 auto; }
.testimonials { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.testimonial { min-height: 238px; display: flex; flex-direction: column; padding: 21px; border: 1px solid #e6ece7; border-radius: 16px; background: #fff; box-shadow: 0 2px 8px rgba(25, 33, 27, .04); }
.testimonial-profile { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.testimonial-avatar { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 50%; background: var(--green-soft); object-fit: cover; }
.testimonial-profile-info { min-width: 0; }
.testimonial-profile-info strong, .testimonial-profile-info span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.testimonial-profile-info strong { color: #253028; font-size: 10px; font-weight: 700; }
.testimonial-profile-info span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.testimonial-instagram { width: 18px; height: 18px; flex: 0 0 18px; margin-left: auto; color: #c49b5a; }
.testimonial-quote { margin: 0 0 20px; color: #646b66; font-size: 11px; font-style: italic; line-height: 1.8; }
.testimonial-stars { margin-top: auto; color: #c49b5a; font-size: 16px; letter-spacing: 2px; }
.testimonial-dots { display: none; }
.testimonial-disclaimer { max-width: 640px; margin: 19px auto 0; color: var(--muted); font-size: 10px; text-align: center; }

.faq { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 0; border: 0; color: var(--ink); background: transparent; font-size: 14px; font-weight: 800; text-align: left; cursor: pointer; }
.faq-icon { width: 28px; height: 28px; flex: 0 0 28px; display: grid; place-items: center; border-radius: 50%; color: var(--green); background: var(--green-soft); font-size: 17px; font-weight: 700; }
.faq-answer { display: none; padding-bottom: 18px; color: var(--muted); font-size: 13px; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-icon { font-size: 0; }
.faq-item.open .faq-icon::before { content: "−"; font-size: 17px; }

.closing { padding: 75px 0 83px; border-top: 1px solid var(--line); text-align: center; }
.closing h2 { max-width: 690px; margin: 0 auto 12px; font-size: clamp(32px, 4.5vw, 47px); line-height: 1.12; letter-spacing: -.055em; }
.closing p { max-width: 550px; margin: 0 auto 21px; color: var(--muted); }
footer { padding: 22px 0; border-top: 1px solid var(--line); text-align: center; }
footer p { margin: 0; color: var(--muted); font-size: 10px; }

.toast { position: fixed; left: 50%; bottom: 20px; z-index: 10; width: min(calc(100% - 30px), 420px); display: none; padding: 13px 15px; border-radius: 10px; color: #fff; background: var(--ink); font-size: 12px; text-align: center; transform: translateX(-50%); }
.toast.show { display: block; }

[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .62s ease, transform .62s ease; }
[data-reveal].visible { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: .08s; }
[data-delay="2"] { transition-delay: .16s; }

@media (max-width: 900px) {
  .product-showcase { height: 405px; }
  .floating-maps { left: 0; }
  .floating-cards { right: 0; }
  .device-tablet { left: 2%; }
  .device-phone { right: 3%; }
  .flashcard-stack { height: 165px; }
  .price-card { gap: 25px; padding: 36px 25px 28px; }
  .offer-includes { padding-right: 22px; }
  .amount strong { font-size: 90px; }
}

@media (max-width: 780px) {
  .benefits { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview { max-width: 510px; width: 100%; margin: 0 auto; }
  .materials { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: minmax(0, 510px); }
  .price-card { max-width: 510px; width: 100%; grid-template-columns: 1fr; gap: 24px; margin: 0 auto; padding: 38px 28px 25px; }
  .offer-includes { padding: 0 0 20px; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .offer-instant { border-top: 0; }
  .offer-purchase { width: 100%; }

  .guarantee-box { max-width: 510px; grid-template-columns: 1fr; justify-items: center; gap: 24px; padding: 30px 26px; text-align: center; }
  .guarantee-copy > p:not(.overline) { margin-right: auto; margin-left: auto; }

  .testimonials-carousel { overflow: hidden; }
  .testimonials { display: flex; gap: 14px; overflow-x: auto; padding: 3px 3px 12px; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .testimonials::-webkit-scrollbar { display: none; }
  .testimonial { min-width: 0; min-height: 225px; flex: 0 0 84%; scroll-snap-align: start; }
  .testimonial-dots { display: flex; align-items: center; justify-content: center; gap: 7px; margin-top: 13px; }
  .testimonial-dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; background: #dfe7e1; cursor: pointer; transition: width .25s ease, background .25s ease; }
  .testimonial-dot.active { width: 23px; background: var(--green); }
  .preview-summary { max-width: 510px; flex-wrap: wrap; gap: 10px 22px; margin-right: auto; margin-left: auto; }
}

@media (max-width: 620px) {
  .container { width: calc(100% - 30px); }
  .announcement { gap: 7px; padding: 12px 10px; font-size: 12px; letter-spacing: .045em; }
  .announcement-icon { width: 19px; height: 19px; flex-basis: 19px; }
  .hero { padding: 32px 0 55px; }
  .tag { padding-right: 10px; padding-left: 10px; font-size: 9px; }
  .hero h1 { font-size: clamp(36px, 10vw, 49px); }

  .showcase { width: calc(100% + 8px); margin: 20px auto 13px; }
  .product-showcase { height: clamp(238px, 71vw, 348px); }
  .device-laptop { top: 33px; width: 71%; padding: 4px 4px 6px; border-width: 5px; border-radius: 12px 12px 7px 7px; }
  .device-toolbar { height: 18px; font-size: 5.5px; }
  .toolbar-dots { left: 6px; gap: 3px; }
  .toolbar-dots i { width: 4px; height: 4px; }
  .laptop-base { right: -14px; bottom: -12px; left: -14px; height: 8px; }

  .device-tablet { bottom: 31px; left: 0; width: 27%; padding: 5px; border-width: 4px; border-radius: 13px; }
  .tablet-screen { padding: 7px 5px 6px; border-radius: 4px; }
  .tablet-heading { margin-bottom: 6px; }
  .tablet-heading span { font-size: 4px; }
  .tablet-heading strong { font-size: 7px; }
  .tablet-screen img { margin-bottom: 5px; border-radius: 3px; }

  .device-phone { right: 0; bottom: 35px; width: 18%; padding: 13px 4px 5px; border-width: 4px; border-radius: 14px; }
  .phone-speaker { top: 3px; height: 5px; }
  .device-phone img { border-radius: 6px; }

  .flashcard-stack { bottom: 10px; width: 43%; height: 40%; }
  .stack-card { width: 41%; border-width: 2px; border-radius: 8px; }
  .stack-card-left { left: 4%; }
  .stack-card-center { left: 29%; }
  .stack-card-right { right: 0; }

  .floating-stat { gap: 5px; padding: 6px 8px; border-radius: 9px; }
  .floating-stat strong { font-size: 15px; }
  .floating-stat span { font-size: 7px; }
  .floating-maps { top: 36px; left: 0; }
  .floating-cards { top: 79px; right: 0; }

  .hero-description { max-width: 410px; font-size: 14px; }
  .button { min-height: 55px; font-size: 13px; }
  .trust-note { font-size: 10px; }

  .facts-grid { grid-template-columns: 1fr; }
  .fact { min-height: 69px; border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }

  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 33px; }
  .section-heading h2 { font-size: 34px; }
  .section-heading p:last-child { font-size: 14px; }
  .benefit { padding: 20px; }

  .preview { padding: 15px; border-radius: 17px; }
  .preview-top { font-size: 8.5px; }
  .real-label { padding: 4px 6px; font-size: 7px; }
  .preview h3 { font-size: 17px; }
  .preview-caption { font-size: 10px; }
  .preview-summary { gap: 7px 15px; padding: 13px 10px; font-size: 10px; }
  .preview-summary strong { font-size: 15px; }

  .subjects { gap: 8px; }
  .subject { padding: 9px 11px; font-size: 11px; }
  .material { padding: 16px; }

  .price-card { gap: 21px; padding: 37px 19px 23px; }
  .price-card h3 { font-size: 19px; }
  .plan-copy { font-size: 11px; }
  .best { gap: 6px; padding: 9px 13px; font-size: 10px; }
  .best svg { width: 14px; height: 14px; }
  .price-box { min-height: auto; margin-bottom: 17px; padding: 0; }
  .amount > span:first-child { padding-bottom: 11px; font-size: 24px; }
  .amount strong { font-size: 91px; }
  .amount .price-cents { padding-bottom: 9px; font-size: 40px; }
  .items { gap: 15px; }
  .items li strong { font-size: 11px; }
  .items li small { font-size: 9px; }
  .offer-trust { gap: 13px; }
  .offer-trust > span { font-size: 7px; }

  .guarantee-section { padding: 22px 0 72px; }
  .guarantee-box { gap: 21px; padding: 27px 18px; }
  .guarantee-seal { width: 140px; height: 140px; }
  .seal-number { font-size: 54px; }
  .seal-shield { width: 32px; height: 32px; }
  .guarantee-copy h2 { font-size: 30px; }
  .guarantee-copy > p:not(.overline) { font-size: 12px; }

  .faq-question { font-size: 13px; }
  .closing { padding: 65px 0 72px; }
}

@media (max-width: 370px) {
  .announcement { gap: 6px; font-size: 11px; letter-spacing: .025em; }
  .tag { font-size: 8px; }
  .floating-stat { gap: 4px; padding: 5px 6px; }
  .floating-stat strong { font-size: 13px; }
  .floating-stat span { font-size: 6px; }
  .real-label { font-size: 6px; }
  .best { padding: 8px 11px; font-size: 9px; }
  .price-card { padding-right: 16px; padding-left: 16px; }
  .amount strong { font-size: 80px; }
  .amount .price-cents { font-size: 36px; }
  .offer-trust { gap: 8px; }
  .offer-trust > span { font-size: 6.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
  .offer-pulse { animation: none; }
  .testimonial-dot { transition: none; }
}