.study-tools-public-main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 52px;
}

.study-tools-public-main :where(a, button, input):focus-visible {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
}

.study-tools-public-main .eyebrow {
  color: var(--accent-strong);
}

.study-tools-public-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
  gap: clamp(38px, 6vw, 76px);
  align-items: center;
  padding: 70px 0 64px;
}

.study-tools-public-hero-preview {
  grid-column: 1 / -1;
  margin: 0;
}

.study-tools-public-hero-preview a {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(15, 107, 98, 0.2);
  border-radius: 18px;
  background: var(--card-bg);
  box-shadow: 0 28px 80px rgba(31, 35, 48, 0.12);
}

.study-tools-public-hero-preview img {
  display: block;
  width: 100%;
  height: clamp(360px, 50vw, 590px);
  object-fit: cover;
  object-position: top;
  transition: transform 0.2s ease;
}

.study-tools-public-hero-preview a:hover img {
  transform: scale(1.01);
}

.study-tools-public-hero-preview figcaption {
  margin: 12px 0 0;
  color: #555d6c;
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.study-tools-public-hero-copy {
  min-width: 0;
}

.study-tools-public-hero h1,
.study-start-section h2,
.study-library-heading h2,
.study-paid-band h2,
.study-tools-final-cta h2 {
  font-family: "Anton", var(--sans);
  font-weight: 400;
  letter-spacing: 0.005em;
  line-height: 0.98;
  text-transform: uppercase;
}

.study-tools-public-hero h1 {
  max-width: 780px;
  margin: 12px 0 20px;
  color: var(--ink);
  font-size: clamp(44px, 6.4vw, 76px);
}

.study-tools-public-hero-copy > p:not(.eyebrow) {
  max-width: 710px;
  margin: 0;
  color: #424957;
  font-size: 17px;
  line-height: 1.7;
}

.study-tools-public-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.study-tools-public-actions .btn {
  min-height: 48px;
}

.study-tools-public-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 0;
}

.study-tools-public-stats div {
  min-width: 0;
  border-top: 1px solid var(--hairline);
  padding-top: 14px;
}

.study-tools-public-stats dt {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: clamp(19px, 2.2vw, 27px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.study-tools-public-stats dd {
  margin: 6px 0 0;
  color: #555d6c;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.study-credential-picker {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(15, 107, 98, 0.3);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(226, 241, 236, 0.9), rgba(255, 253, 248, 0.98)),
    var(--card-bg);
  padding: 28px;
  box-shadow: 0 24px 70px rgba(31, 35, 48, 0.09);
}

.study-credential-picker legend {
  float: left;
  width: 100%;
  margin: 0 0 14px;
  color: #404755;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.5;
  text-transform: uppercase;
}

.study-credential-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  clear: both;
  overflow: hidden;
  border: 2px solid var(--accent-strong);
  border-radius: 9px;
  background: var(--card-bg);
}

.study-credential-options label {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.study-credential-options label + label {
  border-left: 2px solid var(--accent-strong);
}

.study-credential-options input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.study-credential-options label > span {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.study-credential-options input:checked + span {
  background: var(--accent-strong);
  color: #f4faf8;
}

.study-credential-options input:focus-visible + span {
  position: relative;
  z-index: 1;
  outline: 3px solid #b07013;
  outline-offset: -5px;
}

.study-credential-note {
  min-height: 238px;
  margin-top: 18px;
  border-top: 1px solid rgba(15, 107, 98, 0.2);
  padding-top: 18px;
}

.study-credential-note > strong {
  display: block;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.3;
}

.study-credential-note > p {
  margin: 10px 0 0;
  color: #4e5664;
  font-size: 14px;
  line-height: 1.65;
}

.study-credential-note > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-top: 18px;
}

.study-credential-note a {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.study-credential-note > div > span {
  color: #626977;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.study-start-section {
  width: 100vw;
  margin-left: 50%;
  padding: 68px 0 72px;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 88% 15%, rgba(15, 107, 98, 0.38), transparent 31%),
    #06332d;
  color: #f4faf8;
  scroll-margin-top: 84px;
}

.study-section-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.study-start-section .eyebrow {
  color: #a8e0d2;
}

.study-start-section h2 {
  margin: 10px 0 0;
  color: #f4faf8;
  font-size: clamp(40px, 5vw, 58px);
}

.study-start-intro {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(244, 250, 248, 0.78);
  font-size: 16px;
  line-height: 1.65;
}

.study-start-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.study-start-card {
  display: flex;
  min-width: 0;
  min-height: 260px;
  flex-direction: column;
  border: 1px solid rgba(244, 250, 248, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  padding: 25px 23px;
}

.study-start-card > p {
  margin: 0 0 12px;
  color: #a8e0d2;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.study-start-card h3 {
  margin: 0;
  color: #f4faf8;
  font-family: "Anton", var(--sans);
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}

.study-start-card > span {
  display: block;
  margin-top: 11px;
  color: rgba(244, 250, 248, 0.8);
  font-size: 14px;
  line-height: 1.6;
}

.study-start-card > a {
  width: fit-content;
  margin-top: auto;
  padding-top: 20px;
  color: #b8eadf;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.study-start-standard {
  margin-top: 12px;
}

.study-start-card > a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.study-tool-library {
  padding: 76px 0 30px;
  scroll-margin-top: 84px;
}

.study-visual-showcase {
  padding: 76px 0 18px;
}

.study-visual-heading {
  max-width: 790px;
}

.study-visual-heading h2 {
  margin: 10px 0 14px;
  color: var(--ink);
  font-family: "Anton", var(--sans);
  font-size: clamp(36px, 4.7vw, 54px);
  font-weight: 400;
  letter-spacing: 0.005em;
  line-height: 0.98;
  text-transform: uppercase;
}

.study-visual-heading > p:not(.eyebrow) {
  margin: 0;
  color: #4e5664;
  font-size: 16px;
  line-height: 1.68;
}

.study-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.study-visual-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 15px;
  background: var(--card-bg);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 18px 55px rgba(31, 35, 48, 0.07);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.study-visual-card:hover {
  border-color: rgba(15, 107, 98, 0.55);
  box-shadow: 0 24px 65px rgba(31, 35, 48, 0.11);
  transform: translateY(-3px);
}

.study-visual-card > img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--hairline);
  object-fit: cover;
  object-position: top;
}

.study-visual-card-copy {
  display: grid;
  padding: 19px 20px 21px;
}

.study-visual-card-copy > span {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.study-visual-card-copy > strong {
  margin-top: 7px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}

.study-visual-card-copy > small {
  margin-top: 8px;
  color: #555d6c;
  font-size: 14px;
  line-height: 1.55;
}

.study-visual-card-copy > b {
  margin-top: 15px;
  color: var(--accent-strong);
  font-size: 13px;
}

.study-library-heading {
  max-width: 830px;
}

.study-library-heading h2,
.study-paid-band h2,
.study-tools-final-cta h2 {
  margin: 10px 0 14px;
  color: var(--ink);
  font-size: clamp(36px, 4.7vw, 54px);
}

.study-library-heading > p:not(.eyebrow),
.study-paid-intro > p:not(.eyebrow),
.study-tools-final-cta > p:not(.eyebrow) {
  margin: 0;
  color: #4e5664;
  font-size: 16px;
  line-height: 1.68;
}

.study-free-zones {
  display: grid;
  gap: 46px;
  margin-top: 48px;
}

.study-free-zone > header {
  display: flex;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 0;
  border-bottom: 2px solid var(--ink);
  padding: 0 0 11px;
}

.study-free-zone > header > span {
  flex: 0 0 auto;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-free-zone > header h3 {
  margin: 0;
  color: var(--ink);
  font-family: "Anton", var(--sans);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-transform: uppercase;
}

.study-free-zone > header h3 em {
  color: #5a6270;
  font-family: var(--sans);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.study-public-tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: 1px solid var(--hairline);
}

.study-public-tool-card {
  min-width: 0;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 253, 248, 0.48);
}

.study-public-tool-card > a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  gap: 13px;
  min-height: 210px;
  padding: 22px 20px 19px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
}

.study-public-tool-card > a:hover {
  background: rgba(226, 241, 236, 0.7);
}

.study-public-tool-card > a:focus-visible {
  position: relative;
  z-index: 1;
}

.study-public-tool-card.is-credential-focus > a {
  background: rgba(226, 241, 236, 0.58);
  box-shadow: inset 4px 0 0 var(--accent);
}

.study-public-tool-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: var(--mint);
  color: var(--accent-strong);
}

.study-public-tool-icon.is-warm {
  background: var(--amber-soft);
  color: #8a570d;
}

.study-public-tool-icon .icon {
  width: 21px;
  height: 21px;
}

.study-public-tool-copy {
  min-width: 0;
}

.study-public-tool-title-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
}

.study-public-tool-card h4 {
  margin: 1px 0 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.3;
}

.study-public-focus-badge {
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--accent-strong);
  padding: 5px 8px;
  color: #f4faf8;
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.study-public-tool-description {
  display: block;
  margin-top: 7px;
  color: #555d6b;
  font-size: 13px;
  line-height: 1.55;
}

.study-public-tool-go {
  grid-column: 1 / -1;
  width: fit-content;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.study-public-tool-card > a:hover .study-public-tool-go {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.study-utilities {
  display: grid;
  grid-template-columns: minmax(230px, 0.75fr) minmax(0, 1.25fr);
  gap: 24px;
  align-items: center;
  margin: 28px 0 0;
  border: 1px dashed rgba(31, 35, 48, 0.25);
  border-radius: 14px;
  background: rgba(255, 253, 248, 0.55);
  padding: 22px 24px;
}

.study-utilities > div > p {
  margin: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-utilities > div > span {
  display: block;
  margin-top: 7px;
  color: #5a6270;
  font-size: 13px;
  line-height: 1.5;
}

.study-utilities nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.study-utilities nav a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 48px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--card-bg);
  padding: 10px 15px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.study-utilities nav a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.study-utilities nav .icon {
  width: 21px;
  height: 21px;
  color: var(--accent-strong);
}

.study-paid-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
  margin-top: 76px;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(226, 241, 236, 0.52)),
    var(--card-bg);
  padding: clamp(28px, 4vw, 46px);
}

.study-paid-intro .btn {
  margin-top: 25px;
}

.study-paid-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.study-paid-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.study-paid-list li:last-child {
  border-bottom: 0;
}

.study-paid-list li > span {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}

.study-paid-list strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.study-paid-list p {
  margin: 5px 0 0;
  color: #555d6b;
  font-size: 13px;
  line-height: 1.55;
}

.study-tools-final-cta {
  margin-top: 74px;
  border: 1px solid rgba(15, 107, 98, 0.27);
  border-radius: 18px;
  background: linear-gradient(135deg, #f6fbf8, #fffdf8 62%, #e7f5ef);
  padding: 44px;
  text-align: center;
}

.study-tools-final-cta > p:not(.eyebrow) {
  max-width: 690px;
  margin-right: auto;
  margin-left: auto;
}

.study-tools-final-cta > div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 25px;
}

.study-tools-public-main > .site-footer {
  margin-top: 70px;
}

@media (max-width: 980px) {
  .study-tools-public-hero,
  .study-paid-band {
    grid-template-columns: 1fr;
  }

  .study-credential-picker {
    display: grid;
    grid-template-columns: minmax(190px, 0.6fr) minmax(0, 1.4fr);
    gap: 0 24px;
    align-items: start;
  }

  .study-credential-picker legend {
    grid-column: 1 / -1;
  }

  .study-credential-note {
    min-height: 0;
    margin: 0;
    border-top: 0;
    border-left: 1px solid rgba(15, 107, 98, 0.2);
    padding: 0 0 0 24px;
  }

  .study-start-grid,
  .study-public-tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .study-public-tool-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .study-tools-public-main {
    width: min(100% - 32px, 1180px);
  }

  .study-tools-public-hero {
    gap: 34px;
    padding: 48px 0 54px;
  }

  .study-tools-public-hero h1 {
    font-size: clamp(43px, 13.5vw, 62px);
  }

  .study-tools-public-hero-copy > p:not(.eyebrow) {
    font-size: 16px;
  }

  .study-tools-public-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .study-tools-public-stats div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
    align-items: baseline;
  }

  .study-tools-public-stats dd {
    margin: 0;
  }

  .study-section-inner {
    width: min(100% - 32px, 1180px);
  }

  .study-start-section {
    padding: 54px 0 58px;
  }

  .study-start-grid,
  .study-public-tool-grid,
  .study-visual-grid {
    grid-template-columns: 1fr;
  }

  .study-tools-public-hero-preview img {
    height: auto;
  }

  .study-visual-showcase {
    padding-top: 58px;
  }

  .study-start-card {
    min-height: 230px;
  }

  .study-free-zone > header {
    display: grid;
    gap: 7px;
  }

  .study-free-zone > header h3 em {
    display: block;
    margin-top: 5px;
  }

  .study-public-tool-card:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .study-public-tool-card > a {
    min-height: 0;
  }

  .study-utilities {
    grid-template-columns: 1fr;
  }

  .study-paid-band {
    margin-top: 58px;
  }

  .study-tools-final-cta {
    margin-top: 58px;
    padding: 34px 24px;
  }
}

@media (max-width: 560px) {
  .study-tools-public-actions .btn,
  .study-paid-intro .btn,
  .study-tools-final-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .study-credential-picker {
    display: block;
    padding: 22px;
  }

  .study-credential-note {
    margin-top: 18px;
    border-top: 1px solid rgba(15, 107, 98, 0.2);
    border-left: 0;
    padding: 18px 0 0;
  }

  .study-tool-library {
    padding-top: 58px;
  }

  .study-free-zones {
    gap: 38px;
    margin-top: 38px;
  }

  .study-public-tool-title-row {
    display: block;
  }

  .study-public-focus-badge {
    display: inline-flex;
    margin-top: 8px;
  }

  .study-utilities nav {
    grid-template-columns: 1fr;
  }

  .study-paid-band {
    padding: 25px 21px;
  }

  .study-paid-list li {
    grid-template-columns: 62px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .study-public-tool-card > a {
    transition: none;
  }
}