:root {
  --ink: #081423;
  --ink-2: #0c1c2e;
  --ink-3: #12283f;
  --clay: #c15f3c;
  --clay-hi: #d97d5a;
  --cream: #f7f6f3;
  --sand: #efebe4;
  --line-dark: rgba(247, 246, 243, 0.11);
  --line-light: rgba(8, 20, 35, 0.13);
}

* {
  -webkit-tap-highlight-color: transparent;
}

/* Native scrolling. No scroll hijacking, no inertia library.
         Behaves identically on trackpad, mouse wheel, touch and keyboard. */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--ink);
  color: var(--cream);
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--clay);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ink);
}
::-webkit-scrollbar-thumb {
  background: rgba(247, 246, 243, 0.2);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clay);
}

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 4px;
}

.font-display {
  font-family: "Sora", sans-serif;
}

/* ---------- Section themes: flat, no gradients ---------- */
.theme-cream {
  background: var(--cream);
  color: var(--ink);
}
.theme-sand {
  background: var(--sand);
  color: var(--ink);
}
.theme-ink {
  background: var(--ink);
  color: var(--cream);
}
.theme-ink2 {
  background: var(--ink-2);
  color: var(--cream);
}

/* ---------- Nav ---------- */
.nav-shell {
  background: rgba(8, 20, 35, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}
.nav-shell.is-stuck {
  background: rgba(8, 20, 35, 0.97);
  border-bottom-color: var(--line-dark);
}
.nav-link {
  position: relative;
  padding-bottom: 3px;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1.5px;
  width: 0;
  background: var(--clay);
  transition: width 0.28s ease;
}
.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}
.nav-link.is-active {
  color: #fff;
}

#progressbar {
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: 10px;
  transition:
    background 0.22s ease,
    color 0.22s ease,
    border-color 0.22s ease,
    transform 0.18s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn-clay {
  background: var(--clay);
  color: #fff;
}
.btn-clay:hover {
  background: var(--clay-hi);
}
.btn-ghost-dark {
  border: 1px solid rgba(247, 246, 243, 0.24);
  color: var(--cream);
}
.btn-ghost-dark:hover {
  border-color: var(--clay);
  color: var(--clay-hi);
}
.btn-ink {
  background: var(--ink);
  color: var(--cream);
}
.btn-ink:hover {
  background: var(--ink-3);
}

/* ---------- Cards: flat fills, 1px borders ---------- */
.card-dark {
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  transition:
    border-color 0.28s ease,
    background 0.28s ease;
}
.card-dark:hover {
  border-color: rgba(193, 95, 60, 0.6);
  background: var(--ink-3);
}
.card-light {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: 14px;
  transition:
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}
.card-light:hover {
  border-color: rgba(193, 95, 60, 0.65);
  box-shadow: 0 2px 0 0 rgba(193, 95, 60, 0.16);
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.rule-clay {
  width: 44px;
  height: 3px;
  background: var(--clay);
  border-radius: 2px;
}

/* ---------- Hero headline reveal ---------- */
.line-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}
.line-inner {
  display: block;
  transform: translateY(108%);
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-in .line-inner {
  transform: translateY(0);
}
.hero-in .line-mask:nth-child(2) .line-inner {
  transition-delay: 0.1s;
}

/* ---------- Marquee ---------- */
.marquee {
  display: flex;
  width: max-content;
  animation: marquee-run 38s linear infinite;
}
.marquee:hover {
  animation-play-state: paused;
}
@keyframes marquee-run {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Whiteboard hero visual: flat ---------- */
.board {
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: 16px;
}
.board-dot {
  width: 9px;
  height: 9px;
  border-radius: 9999px;
  background: rgba(247, 246, 243, 0.18);
}

.chip-formula {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-dark);
  background: var(--ink);
  color: rgba(247, 246, 243, 0.8);
  white-space: nowrap;
}

#curve {
  transition: stroke-dashoffset 1.6s ease-in-out;
}
.graph-extra {
  opacity: 0;
  transition: opacity 0.5s ease 1.3s;
}
.graph-in .graph-extra {
  opacity: 1;
}

.caret::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 1.05em;
  margin-left: 3px;
  background: var(--clay);
  vertical-align: -0.16em;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.spine {
  border-radius: 3px 6px 6px 3px;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 10px;
  display: flex;
  align-items: center;
  padding-left: 14px;
  color: rgba(247, 246, 243, 0.92);
  border: 1px solid var(--line-dark);
  border-left: 5px solid rgba(247, 246, 243, 0.22);
  transition: transform 0.28s ease;
}
.spine:hover {
  transform: translateX(6px);
}

/* ---------- Method rail ---------- */
.rail {
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: rgba(8, 20, 35, 0.12);
}
.rail-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--clay);
  transform-origin: 50% 0;
  transform: scaleY(0);
}
@media (min-width: 768px) {
  .rail {
    left: 0;
    right: 0;
    top: 27px;
    bottom: auto;
    width: auto;
    height: 2px;
  }
  .rail-fill {
    inset: 0 0 auto 0;
    width: 100%;
    height: 2px;
    transform-origin: 0 50%;
    transform: scaleX(0);
  }
}

.step-num {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 2px solid rgba(8, 20, 35, 0.14);
  color: var(--ink);
  transition:
    background 0.28s ease,
    color 0.28s ease,
    border-color 0.28s ease;
}
.step:hover .step-num {
  background: var(--clay);
  border-color: var(--clay);
  color: #fff;
}

/* ---------- Countdown ---------- */
.cd-cell {
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  padding: 18px 10px;
  text-align: center;
  transition: border-color 0.28s ease;
}
.cd-cell:hover {
  border-color: rgba(193, 95, 60, 0.55);
}
.cd-num {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* ---------- FAQ ---------- */
details.faq {
  border-bottom: 1px solid var(--line-light);
}
details.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  transition: color 0.22s ease;
}
details.faq summary::-webkit-details-marker {
  display: none;
}
details.faq summary:hover {
  color: var(--clay);
}
details.faq .chev {
  flex: none;
  transition: transform 0.3s ease;
}
details.faq[open] .chev {
  transform: rotate(180deg);
  color: var(--clay);
}
details.faq .faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s ease;
}
details.faq[open] .faq-body {
  grid-template-rows: 1fr;
}
details.faq .faq-body > div {
  overflow: hidden;
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
}
.revealed {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.65s ease,
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Floating WhatsApp ---------- */
#wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}
#wa-float.on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* ---------- Cost calculator ---------- */
#calc-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(8, 20, 35, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.26s ease,
    visibility 0.26s ease;
}
#calc-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.calc-panel {
  width: 100%;
  max-width: 430px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--cream);
  color: var(--ink);
  border-radius: 16px;
  padding: 28px;
  transform: translateY(14px) scale(0.985);
  transition: transform 0.26s cubic-bezier(0.16, 1, 0.3, 1);
}
#calc-overlay.is-open .calc-panel {
  transform: none;
}

.calc-close {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: rgba(8, 20, 35, 0.5);
  border: 1px solid var(--line-light);
  transition:
    color 0.22s ease,
    border-color 0.22s ease;
}
.calc-close:hover {
  color: var(--clay);
  border-color: var(--clay);
}

.calc-field label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(8, 20, 35, 0.5);
  margin-bottom: 8px;
}

.calc-step {
  display: flex;
  align-items: center;
  gap: 10px;
}
.calc-step button {
  width: 42px;
  height: 46px;
  flex: none;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--line-light);
  color: var(--ink);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}
.calc-step button:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: #fff;
}
.calc-step input {
  flex: 1;
  height: 46px;
  min-width: 0;
  text-align: center;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line-light);
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  transition: border-color 0.2s ease;
}
.calc-step input:focus {
  outline: none;
  border-color: var(--clay);
}
.calc-step input::-webkit-outer-spin-button,
.calc-step input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.calc-step input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.calc-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.calc-toggle button {
  height: 44px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line-light);
  font-family: "Sora", sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  color: rgba(8, 20, 35, 0.6);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}
.calc-toggle button:hover {
  border-color: rgba(193, 95, 60, 0.5);
  color: var(--ink);
}
.calc-toggle button[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

.calc-total {
  background: var(--ink);
  color: var(--cream);
  border-radius: 12px;
  padding: 22px;
  text-align: center;
}
.calc-total-num {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .line-inner {
    transform: none;
  }
}

.price-tag,
.price-tag-premium {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.price-tag-premium {
  color: var(--clay);
}

/* Desktop */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.pricing-table th,
.pricing-table td {
  padding: 16px;
  text-align: left;
  vertical-align: middle;
}

.pricing-table th:nth-child(1),
.pricing-table td:nth-child(1) {
  width: 45%;
}

.pricing-table th:nth-child(2),
.pricing-table td:nth-child(2) {
  width: 25%;
}

.pricing-table th:nth-child(3),
.pricing-table td:nth-child(3) {
  width: 30%;
}

/* Mobile */
@media (max-width: 640px) {
  .pricing-table {
    display: block;
  }

  .pricing-table thead {
    display: none;
  }

  .pricing-table tbody {
    display: block;
  }

  .pricing-table tr {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
    padding: 16px 0;
    border-bottom: 1px solid #e5e2dc;
  }

  .pricing-table td {
    display: block;
    width: auto !important;
    padding: 0;
    border: 0;
  }

  .pricing-table td:first-child {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .pricing-table td:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
    white-space: nowrap;
  }

  .pricing-table td:nth-child(3) {
    grid-column: 1 / -1;
    grid-row: 2;
    font-size: 0.875rem;
    opacity: 0.7;
  }
}

.tutor-form-field {
  margin-bottom: 20px;
}
.tutor-form-field label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(8, 20, 35, 0.5);
  margin-bottom: 8px;
}
.tutor-form-field input[type="text"],
.tutor-form-field input[type="email"],
.tutor-form-field input[type="tel"],
.tutor-form-field textarea,
.tutor-form-field select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line-light);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.2s ease;
}
.tutor-form-field input:focus,
.tutor-form-field textarea:focus,
.tutor-form-field select:focus {
  outline: none;
  border-color: var(--clay);
}
.tutor-form-field textarea {
  height: auto;
  min-height: 100px;
  padding: 12px 14px;
  resize: vertical;
}
.tutor-form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23081423' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.tutor-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tutor-checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-light);
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  color: var(--ink);
}
.tutor-checkbox-item:hover {
  border-color: rgba(193, 95, 60, 0.5);
}
.tutor-checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--clay);
  cursor: pointer;
}
.tutor-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tutor-radio-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-light);
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  color: var(--ink);
}
.tutor-radio-item:hover {
  border-color: rgba(193, 95, 60, 0.5);
}
.tutor-radio-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--clay);
  cursor: pointer;
}
.tutor-form-section {
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 24px;
  margin-bottom: 24px;
}
.tutor-form-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}
.tutor-form-section-title {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 4px;
}
.tutor-form-section-desc {
  font-size: 13px;
  color: var(--ink);
  opacity: 0.55;
  margin-bottom: 16px;
  line-height: 1.5;
}
.tutor-info-box {
  background: var(--sand);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--ink);
  opacity: 0.7;
  line-height: 1.6;
  margin-bottom: 20px;
}
.tutor-info-box strong {
  color: var(--clay);
}

.hero-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line-dark);
  background: var(--ink-2);
}
.hero-carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.hero-carousel-slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
}
.hero-carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
  position: relative;
}
.hero-carousel-slide img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}
.hero-carousel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8, 20, 35, 0.92) 0%,
    rgba(8, 20, 35, 0.3) 50%,
    rgba(8, 20, 35, 0.1) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.hero-carousel-subject {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-carousel-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
  margin-top: 4px;
}
.hero-carousel-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 14px;
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark);
}
.hero-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(247, 246, 243, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}
.hero-carousel-dot.active {
  background: var(--clay);
  width: 24px;
}
.hero-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(8, 20, 35, 0.7);
  border: 1px solid var(--line-dark);
  color: var(--cream);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}
.hero-carousel-nav:hover {
  background: var(--clay);
  border-color: var(--clay);
}
.hero-carousel-nav.prev {
  left: 10px;
}
.hero-carousel-nav.next {
  right: 10px;
}

/* ---------- Pricing: best-value card ---------- */
.pricing-best {
  position: relative;
  border: 1.5px solid var(--clay);
}
.pricing-best-badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--clay);
  color: #fff;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}
.pricing-save {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  color: var(--clay);
  background: rgba(193, 95, 60, 0.1);
  border-radius: 999px;
  padding: 3px 10px;
  display: inline-block;
}

/* ---------- Premium pricing package page ---------- */
.package-hero {
  background:
    linear-gradient(135deg, rgba(8, 20, 35, 0.96), rgba(12, 28, 46, 0.9)),
    url("https://images.unsplash.com/photo-1503676260728-1c00da094a0b?auto=format&fit=crop&w=1200&q=80")
      center/cover no-repeat;
}
.detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(247, 246, 243, 0.9);
  border-radius: 999px;
  padding: 0.6rem 0.9rem;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}
.package-summary-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 26px;
  padding: 1.75rem;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.24);
}
.package-summary-top h2 {
  font-family: "Sora", sans-serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.05em;
  margin-top: 0.4rem;
}
.package-summary-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.package-feature-icon {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.85rem;
  background: rgba(193, 95, 60, 0.14);
  color: var(--clay);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.package-summary-feature strong {
  display: block;
  color: #fff;
  font-size: 0.98rem;
  margin-bottom: 0.15rem;
}
.package-summary-feature p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(247, 246, 243, 0.7);
}
.package-summary-total {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-radius: 1rem;
  background: rgba(247, 246, 243, 0.06);
  border: 1px solid rgba(247, 246, 243, 0.09);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.package-summary-total span {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247, 246, 243, 0.6);
}
.package-summary-total strong {
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: #fff;
  letter-spacing: -0.05em;
  font-family: "Sora", sans-serif;
}

/* ---------- Exam Oracle ---------- */
.oracle-intro {
  background-color: var(--ink);
  background-image: linear-gradient(90deg, rgba(8, 20, 35, 0.97) 0%, rgba(8, 20, 35, 0.88) 54%, rgba(8, 20, 35, 0.62) 100%), url("/images/hero.jpeg");
  background-position: center;
  background-size: cover;
}
.oracle-intro > div {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  align-items: center;
  gap: 4rem;
}
.oracle-score-preview {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 20, 35, 0.74);
  border-radius: 8px;
}
.oracle-preview-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1rem;
  align-items: center;
  padding: 1rem 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.oracle-preview-row strong { color: #8fc7a1; font-size: 0.75rem; }
.oracle-preview-row strong.needs-work { color: #e8aa78; }
.oracle-preview-row i,
.oracle-result-topic i {
  grid-column: 1 / -1;
  height: 5px;
  overflow: hidden;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.13);
}
.oracle-preview-row i::before,
.oracle-result-topic i::before {
  content: "";
  display: block;
  width: var(--score);
  height: 100%;
  background: var(--clay-hi);
  border-radius: inherit;
}
.oracle-workspace { background: #f3f1ec; }
.oracle-section-heading,
.oracle-leaderboard-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
}
.oracle-plan-toggle { display: inline-flex; align-items: center; gap: 0.65rem; font-size: 0.8rem; color: rgba(8, 20, 35, 0.72); }
.oracle-plan-toggle input { width: 1.1rem; height: 1.1rem; accent-color: var(--clay); }
.oracle-builder {
  display: grid;
  grid-template-columns: 1fr 1.25fr 0.8fr auto;
  align-items: start;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: 8px;
}
.oracle-field { min-width: 0; border: 0; padding: 0; margin: 0; }
.oracle-label { display: block; margin-bottom: 0.7rem; font-size: 0.76rem; font-weight: 700; color: var(--ink); }
.oracle-select { width: 100%; min-height: 46px; padding: 0 0.8rem; border: 1px solid var(--line-light); border-radius: 5px; background: #fff; color: var(--ink); }
.oracle-topic-options { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.oracle-topic-choice { position: relative; cursor: pointer; }
.oracle-topic-choice input { position: absolute; opacity: 0; }
.oracle-topic-choice span { display: block; padding: 0.55rem 0.7rem; border: 1px solid var(--line-light); border-radius: 5px; font-size: 0.74rem; color: rgba(8, 20, 35, 0.72); }
.oracle-topic-choice input:checked + span { color: var(--ink); border-color: var(--clay); background: rgba(193, 95, 60, 0.08); }
.oracle-topic-choice input:focus-visible + span { outline: 2px solid var(--clay); outline-offset: 2px; }
.oracle-start { min-height: 46px; margin-top: 1.45rem; white-space: nowrap; }
.oracle-notice { margin-top: 1.2rem; padding: 1rem 1.1rem; border-left: 3px solid var(--clay); background: #fff; color: var(--ink); font-size: 0.88rem; }
.oracle-notice a { display: inline-block; margin-left: 0.7rem; color: var(--clay); font-weight: 700; }
.oracle-test-panel,
.oracle-results { margin-top: 1.5rem; padding: clamp(1.2rem, 4vw, 2.5rem); background: #fff; border: 1px solid var(--line-light); border-radius: 8px; }
.oracle-test-top,
.oracle-results-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.oracle-text-button { color: rgba(8, 20, 35, 0.56); font-size: 0.8rem; text-decoration: underline; text-underline-offset: 3px; }
.oracle-question-body { max-width: 760px; margin-top: 2.5rem; }
.oracle-topic-tag { display: inline-block; padding: 0.35rem 0.6rem; background: rgba(193, 95, 60, 0.1); color: var(--clay); font: 500 0.7rem "JetBrains Mono", monospace; }
.oracle-question-body h3 { margin-top: 1rem; }
.oracle-answer-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; margin-top: 1.6rem; }
.oracle-answer-option { display: flex; align-items: center; gap: 0.75rem; min-height: 58px; padding: 0.75rem; border: 1px solid var(--line-light); border-radius: 6px; text-align: left; color: var(--ink); transition: border-color 0.2s, background 0.2s; }
.oracle-answer-option:hover:not(:disabled) { border-color: var(--clay); background: #fbf7f4; }
.oracle-answer-option:disabled { cursor: default; }
.oracle-option-key { display: grid; place-items: center; flex: 0 0 28px; aspect-ratio: 1; border-radius: 50%; background: #f0eee9; color: var(--ink); font: 500 0.73rem "JetBrains Mono", monospace; }
.oracle-answer-option.is-correct { border-color: #3c8a58; background: #eff8f1; }
.oracle-answer-option.is-wrong { border-color: #bd503c; background: #fff2ef; }
.oracle-answer-feedback { margin-top: 1rem; font-size: 0.88rem; font-weight: 600; }
.oracle-answer-feedback.is-correct { color: #31784a; }
.oracle-answer-feedback.is-wrong { color: #a54131; }
.btn-ghost-light { padding: 0.75rem 1rem; border: 1px solid var(--line-light); border-radius: 6px; color: var(--ink); font-size: 0.84rem; }
.oracle-step-solution { margin-top: 1rem; padding: 1.1rem; border-left: 3px solid var(--clay); background: #f7f5f1; color: rgba(8, 20, 35, 0.78); font-size: 0.88rem; }
.oracle-step-solution ol,
.oracle-missed-item ol { display: grid; gap: 0.5rem; padding-left: 1.2rem; list-style: decimal; }
.oracle-results-top { align-items: flex-start; }
.oracle-score { display: flex; align-items: baseline; color: var(--clay); font: 700 2.3rem "Sora", sans-serif; }
.oracle-score span { font-size: 1rem; }
.oracle-results-grid { display: grid; grid-template-columns: 1fr 0.8fr; gap: 2rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line-light); }
.oracle-result-topics { display: grid; gap: 1rem; margin-top: 1rem; }
.oracle-result-topic { display: grid; grid-template-columns: 1fr auto; gap: 0.4rem 1rem; align-items: center; font-size: 0.82rem; }
.oracle-result-topic strong { font-size: 0.72rem; }
.oracle-result-topic .topic-strong { color: #31784a; }
.oracle-result-topic .topic-weak { color: #ad542f; }
.oracle-result-topic i { background: #e8e5de; }
.oracle-result-topic i::before { background: var(--clay); }
.oracle-missed { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line-light); }
.oracle-missed-list { display: grid; gap: 1rem; margin-top: 1rem; }
.oracle-missed-item { padding: 1.1rem; background: #f7f5f1; border-left: 3px solid #cf7857; }
.oracle-missed-item h4 { margin: 0.65rem 0; color: var(--ink); font-weight: 600; }
.oracle-correct-answer { margin-bottom: 0.8rem; color: #31784a; font-size: 0.85rem; font-weight: 600; }
.oracle-missed-item ol { color: rgba(8, 20, 35, 0.68); font-size: 0.85rem; }
.oracle-all-correct { margin-top: 1.5rem; color: #31784a; font-weight: 600; }
.oracle-register-inline { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; margin-top: 1.8rem; padding: 1.2rem; border: 1px solid rgba(193, 95, 60, 0.35); background: #fbf6f2; border-radius: 6px; }
.oracle-leaderboard-heading { align-items: center; }
.oracle-view-only { display: inline-flex; gap: 0.5rem; align-items: center; color: rgba(255, 255, 255, 0.65); font-size: 0.75rem; white-space: nowrap; }
.oracle-table-wrap { overflow-x: auto; border-top: 1px solid rgba(255, 255, 255, 0.13); border-bottom: 1px solid rgba(255, 255, 255, 0.13); }
.oracle-table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; font-size: 0.82rem; }
.oracle-table th { padding: 0.9rem 0.7rem; color: rgba(255, 255, 255, 0.42); font: 500 0.64rem "JetBrains Mono", monospace; text-transform: uppercase; }
.oracle-table td { padding: 0.9rem 0.7rem; color: rgba(255, 255, 255, 0.7); border-top: 1px solid rgba(255, 255, 255, 0.08); }
.oracle-table td:first-child { color: var(--clay-hi); font: 500 0.75rem "JetBrains Mono", monospace; }
.oracle-winner td { background: rgba(193, 95, 60, 0.09); color: #fff; }
.oracle-winner td:nth-child(2) { min-width: 180px; }
.oracle-winner-tag { display: inline-block; margin-left: 0.6rem; color: var(--clay-hi); font-size: 0.65rem; }
.oracle-prize-line { margin-top: 1.4rem; color: rgba(255, 255, 255, 0.7); font-size: 0.85rem; }
.oracle-prize-line strong { color: #fff; }
.oracle-prize-line a { color: var(--clay-hi); text-decoration: underline; text-underline-offset: 3px; }
.oracle-welcome { width: min(92vw, 460px); padding: 2rem; border: 0; border-top: 4px solid var(--clay); border-radius: 8px; color: var(--ink); }
.oracle-welcome::backdrop { background: rgba(8, 20, 35, 0.76); backdrop-filter: blur(4px); }
.oracle-skip { display: block; margin: 0 0 1.2rem auto; color: rgba(8, 20, 35, 0.55); font-size: 0.78rem; text-decoration: underline; }
.oracle-welcome-mark { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 1.3rem; color: var(--clay); background: rgba(193, 95, 60, 0.1); border-radius: 6px; }
.oracle-welcome-dots { display: flex; gap: 0.4rem; margin-top: 1.4rem; }
.oracle-welcome-dots i { width: 18px; height: 4px; background: #ddd8d0; border-radius: 3px; }
.oracle-welcome-dots i.is-active { background: var(--clay); }
.oracle-register[hidden] { display: none; }
.oracle-register { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 1rem; background: rgba(8, 20, 35, 0.78); }
.oracle-register-panel { position: relative; width: min(100%, 420px); padding: 2rem; background: var(--cream); border-top: 4px solid var(--clay); border-radius: 8px; }
.oracle-register-close { position: absolute; top: 1rem; right: 1rem; color: rgba(8, 20, 35, 0.55); }
.oracle-pricing-heading { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; }
.oracle-pricing-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.oracle-pricing-list > div { display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.14); color: #fff; }
.oracle-pricing-list > div:nth-child(odd) { margin-right: 1.5rem; }
.oracle-pricing-list > div:nth-child(even) { margin-left: 1.5rem; }
.oracle-pricing-list span strong,
.oracle-pricing-list span small { display: block; }
.oracle-pricing-list span small,
.oracle-pricing-list > div > strong small { margin-top: 0.3rem; color: rgba(255, 255, 255, 0.5); font-size: 0.73rem; font-weight: 400; }
.custom-total-box small { display: block; margin-top: 0.5rem; color: rgba(8, 20, 35, 0.55); font-size: 0.72rem; }
@media (max-width: 1023px) {
  .custom-plan-panel,
  .custom-summary-panel { min-width: 0; }
  .custom-total-box { flex-wrap: wrap; }
}
@media (max-width: 900px) {
  .oracle-builder { grid-template-columns: 1fr 1fr; }
  .oracle-start { margin-top: 1.45rem; }
}
@media (max-width: 640px) {
  .oracle-intro > div { grid-template-columns: 1fr; gap: 2rem; }
  .oracle-pricing-heading { align-items: flex-start; flex-direction: column; }
  .oracle-pricing-list { grid-template-columns: 1fr; }
  .oracle-pricing-list > div:nth-child(n) { margin-left: 0; margin-right: 0; }
  .oracle-section-heading, .oracle-leaderboard-heading { align-items: flex-start; flex-direction: column; }
  .oracle-builder { grid-template-columns: 1fr; }
  .oracle-start { width: 100%; margin-top: 0.25rem; }
  .oracle-answer-options, .oracle-results-grid { grid-template-columns: 1fr; }
  .oracle-register-inline { align-items: flex-start; flex-direction: column; }
  .oracle-register-inline .btn { width: 100%; }
  .oracle-welcome { padding: 1.5rem; }
}
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.package-option {
  position: relative;
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  border-radius: 1.3rem;
  background: #fff;
  border: 1px solid rgba(8, 20, 35, 0.08);
  box-shadow: 0 14px 32px rgba(8, 20, 35, 0.05);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.package-option:hover {
  transform: translateY(-4px);
  border-color: rgba(193, 95, 60, 0.4);
  box-shadow: 0 18px 38px rgba(193, 95, 60, 0.08);
}
.package-option.is-selected {
  border-color: var(--clay);
  box-shadow: 0 18px 40px rgba(193, 95, 60, 0.13);
}
.package-option.is-selected::before {
  content: "Selected";
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--clay);
  color: #fff;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.38rem 0.6rem;
  border-radius: 999px;
}
.custom-plan-section.is-active .custom-plan-panel {
  border-color: var(--clay);
  box-shadow:
    0 0 0 4px rgba(193, 95, 60, 0.12),
    0 24px 48px rgba(193, 95, 60, 0.12);
}
.custom-plan-panel {
  transition:
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}
.package-badge {
  display: inline-flex;
  padding: 0.38rem 0.72rem;
  background: rgba(193, 95, 60, 0.08);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
  color: var(--clay);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.package-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.2rem;
}
.package-header h3 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.5rem, 2vw, 2rem);
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-top: 0.3rem;
}
.price-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font-size: 0.75rem;
  font-family: "JetBrains Mono", monospace;
}
.package-meta {
  margin-top: 1rem;
  color: var(--clay);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.package-option ul {
  margin-top: 1rem;
  display: grid;
  gap: 0.7rem;
  color: rgba(8, 20, 35, 0.75);
  font-size: 0.92rem;
}
.package-option ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.package-option ul li i {
  color: var(--clay);
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.custom-plan-panel,
.custom-summary-panel {
  background: #fff;
  border: 1px solid rgba(8, 20, 35, 0.08);
  border-radius: 1.3rem;
  box-shadow: 0 18px 36px rgba(8, 20, 35, 0.05);
}
.custom-plan-panel {
  padding: 1.75rem;
}
.custom-course-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.5rem;
}
.custom-course-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(8, 20, 35, 0.08);
  border-radius: 0.9rem;
  padding: 0.8rem 0.9rem;
  background: rgba(247, 246, 243, 0.8);
  color: var(--ink);
  font-size: 0.96rem;
}
.custom-course-item input {
  accent-color: var(--clay);
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}
.custom-course-item span {
  flex: 1;
  min-width: 0;
}
.custom-course-item strong {
  color: var(--clay);
  font-size: 0.78rem;
  font-family: "JetBrains Mono", monospace;
}
.custom-summary-panel {
  padding: 1.75rem;
}
.custom-total-box {
  margin-top: 1rem;
  padding: 1.1rem 1.2rem;
  border-radius: 1rem;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.custom-total-box span {
  color: rgba(247, 246, 243, 0.68);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.custom-total-box strong {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.04em;
}
.summary-points {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.85rem;
  color: rgba(8, 20, 35, 0.75);
  font-size: 0.94rem;
}
.summary-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}
.summary-points li i {
  color: var(--clay);
  flex-shrink: 0;
  margin-top: 0.12rem;
}
@media (max-width: 768px) {
  .package-grid {
    grid-template-columns: 1fr;
  }
  .custom-course-item {
    padding-right: 0.7rem;
  }
}

/* ---------- Poll ---------- */
.poll-option {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line-light);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.15s ease;
}
.poll-option:hover {
  border-color: var(--clay);
  background: rgba(193, 95, 60, 0.05);
}
.poll-option:active {
  transform: scale(0.99);
}
.poll-option:disabled {
  cursor: default;
}
.poll-option .poll-check {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(8, 20, 35, 0.22);
  flex: none;
  display: grid;
  place-items: center;
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}
.poll-option.is-picked {
  border-color: var(--clay);
  background: rgba(193, 95, 60, 0.08);
}
.poll-option.is-picked .poll-check {
  border-color: var(--clay);
  background: var(--clay);
}
.poll-card {
  min-height: 400px;
}
.poll-state {
  display: none;
}
.poll-state.is-active {
  display: block;
}
.poll-thanks-icon {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto;
}
.poll-error {
  display: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--clay);
  margin-top: 14px;
}
.poll-error.is-active {
  display: block;
}