/* ---------- Tokens ---------- */
:root {
  --white: #ffffff;
  --tint: #f6f8fc;
  --ink: #1f2a44;
  --muted: #5d6b86;
  --line: #e4e9f2;
  --accent: #6c8cff;
  --accent-dark: #4a68e0;
  --sun: #ffb84d;

  --font-head: "Baloo 2", "Nunito", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;

  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
  --step-2: clamp(1.8rem, 1.3rem + 2.2vw, 2.8rem);
  --step-3: clamp(2.2rem, 1.4rem + 4vw, 4rem);

  --radius: 14px;
  --space: clamp(3.5rem, 8vw, 6.5rem);
  --header-h: 64px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font: 400 var(--step-0)/1.6 var(--font-body);
  color: var(--ink);
  background: var(--white);
}

h1,
h2,
h3 {
  font-family: var(--font-head);
  line-height: 1.1;
  margin: 0 0 .5em;
}

h1 {
  font-size: var(--step-3);
  font-weight: 800;
  max-width: 16ch;
}

h2 {
  font-size: var(--step-2);
  font-weight: 800;
}

h3 {
  font-size: var(--step-1);
  font-weight: 600;
  margin-bottom: .25em;
}

p {
  margin: 0 0 1em;
  max-width: 60ch;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: min(1100px, 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding-block: var(--space);
}

.section-tint {
  background: var(--tint);
}

.section-lead {
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .8em 1.5em;
  border: 2px solid var(--accent-dark);
  border-radius: 999px;
  background: var(--accent-dark);
  color: #fff;
  font: 800 1rem var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, transform .2s;
}

.btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-dark);
}

.btn-ghost:hover {
  background: var(--tint);
  color: var(--accent-dark);
}

.btn-small {
  padding: .5em 1.1em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(1.25rem, calc((100% - 1100px) / 2));
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.logo {
  font: 800 1.5rem var(--font-head);
  text-decoration: none;
  color: var(--accent-dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a:not(.btn) {
  text-decoration: none;
  font-weight: 600;
}

.nav a:not(.btn):hover {
  color: var(--accent-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before {
  content: "";
  position: absolute;
  left: 10px;
  width: 24px;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s;
}

.nav-toggle span {
  top: 21px;
}

.nav-toggle span::before {
  left: 0;
  top: -8px;
}

.nav-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(8px) rotate(-90deg);
}

/* ---------- Hero + characters ---------- */
.hero {
  padding-top: var(--space);
  overflow: visible;
}

.hero-inner {
  padding-bottom: 2rem;
}

.lead {
  font-size: var(--step-1);
  color: var(--muted);
}

/* ---------- Inline characters ---------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: .5rem;
}

.section-heading h2 {
  margin: 0;
}

.section-heading-right {
  flex-direction: row-reverse;
}

.char {
  width: clamp(56px, 10vw, 100px);
  height: auto;
  aspect-ratio: 6 / 7;
  flex-shrink: 0;
  overflow: visible;
  cursor: pointer;
  contain: layout;
}

[data-char] {
  display: contents;
}

/* ---------- Testimonials ---------- */
.testimonials {
  margin-top: 2rem;
}

.testimonial-stage {
  position: relative;
  min-height: 220px;
}

.testimonial {
  margin: 0;
  padding: 2rem 2.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  box-shadow: 0 2px 12px rgba(31, 42, 68, .08);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  opacity: 0;
  transition: opacity .6s ease;
  pointer-events: none;
}

.testimonial:nth-child(2) {
  border-left-color: var(--sun);
}

.testimonial:nth-child(3) {
  border-left-color: #5bc0a8;
}

.testimonial.is-active {
  opacity: 1;
  pointer-events: auto;
}

.testimonial p {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--ink);
  margin: 0 0 .75rem;
  position: relative;
}

.testimonial p::before {
  content: "\201C";
  font-family: var(--font-head);
  font-size: 3.5rem;
  line-height: 0;
  color: var(--accent);
  opacity: .25;
  position: absolute;
  left: -.7em;
  top: .55em;
}

.testimonial:nth-child(2) p::before {
  color: var(--sun);
}

.testimonial:nth-child(3) p::before {
  color: #5bc0a8;
}

.testimonial cite {
  display: block;
  font-style: normal;
  font-weight: 700;
  font-size: .9rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: .6rem;
  margin-top: 1.5rem;
}

.testimonial-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: background .25s, transform .25s;
}

.testimonial-dots button[aria-selected="true"] {
  background: var(--accent);
  transform: scale(1.2);
}

@media (prefers-reduced-motion: reduce) {
  .testimonial {
    transition: none;
  }
}

.char .shadow {
  fill: var(--line);
}

.char .body {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: bob 3s ease-in-out infinite;
}

.char-penny .body {
  animation-delay: -1s;
}

.char-bo .body {
  animation-delay: -2s;
}

.char .eye {
  transform-box: fill-box;
  transform-origin: center;
  animation: blink 5s infinite;
}

.char-penny .eye {
  animation-delay: -1.5s;
}

.char-bo .eye {
  animation-delay: -3s;
}

.char .pupil {
  transition: transform .12s ease-out;
}

.char.hop .body {
  animation: hop .6s ease-out;
}

@keyframes bob {

  0%,
  100% {
    transform: translateY(0) scale(1, 1);
  }

  50% {
    transform: translateY(-6px) scale(.98, 1.03);
  }
}

@keyframes blink {

  0%,
  92%,
  100% {
    transform: scaleY(1);
  }

  95% {
    transform: scaleY(.1);
  }
}

@keyframes hop {
  0% {
    transform: translateY(0) scale(1.08, .9);
  }

  40% {
    transform: translateY(-34px) scale(.95, 1.08);
  }

  100% {
    transform: translateY(0) scale(1);
  }
}

/* ---------- Subjects ---------- */
.subjects {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.subjects li {
  border-top: 3px solid var(--sun);
  padding-top: 1rem;
}

.subjects li:nth-child(2) {
  border-color: #ff8fa3;
}

.subjects li:nth-child(3) {
  border-color: #5bc0a8;
}

.subjects li:nth-child(4) {
  border-color: var(--accent);
}

.subjects p {
  color: var(--muted);
  margin: 0;
}

/* ---------- Steps ---------- */
.steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.num {
  flex: none;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font: 800 1.2rem var(--font-head);
}

/* ---------- Contact form ---------- */
.contact {
  display: grid;
  gap: 2rem;
}

.form {
  display: grid;
  gap: 1rem;
}

.form label {
  display: grid;
  gap: .35rem;
  font-weight: 600;
}

.form input,
.form textarea {
  padding: .75em 1em;
  font: inherit;
  color: inherit;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.form textarea {
  resize: vertical;
  min-height: 100px;
}

.form .btn {
  justify-self: start;
}

.form-msg {
  color: #2f8f76;
  font-weight: 600;
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

.footer-heading {
  font-size: 1rem;
  margin-bottom: .5rem;
  color: var(--ink);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .4rem;
}

.footer-links a {
  color: var(--accent-dark);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-meta p {
  margin: 0 0 .25rem;
}

@media (min-width: 760px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
}

/* ---------- Media queries ---------- */
@media (min-width: 760px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

  .contact {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 4rem;
  }
}

@media (max-width: 759px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .nav.open {
    display: flex;
  }
}


@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}