:root {
  --black: #100d10;
  --ink: #201920;
  --white: #fffaf7;
  --paper: #fffdfb;
  --gold: #c99a3b;
  --soft-gold: #efd9a6;
  --rose: #b86f76;
  --rose-soft: #f2d8d8;
  --purple: #6f3d79;
  --purple-soft: #e9d9ef;
  --line: rgba(32, 25, 32, 0.14);
  --shadow: 0 24px 60px rgba(32, 25, 32, 0.13);
  --radius: 8px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(255, 250, 247, 0.92), rgba(242, 216, 216, 0.42)),
    var(--white);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(201, 154, 59, 0.28);
  background: rgba(255, 250, 247, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--black);
  color: var(--soft-gold);
  font-family: Georgia, serif;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand small {
  color: var(--rose);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
}

.main-nav a {
  min-height: 36px;
  padding: 9px 14px;
  border-radius: 999px;
  color: rgba(32, 25, 32, 0.76);
  font-size: 0.93rem;
}

.main-nav a.active {
  background: var(--black);
  color: var(--white);
}

.session-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--purple);
}

.primary-button,
.secondary-button,
.ghost-button,
.back-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 10px 18px;
  font-weight: 700;
}

.primary-button {
  background: var(--black);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(16, 13, 16, 0.18);
}

.secondary-button {
  border-color: rgba(201, 154, 59, 0.55);
  background: var(--paper);
  color: var(--black);
}

.ghost-button,
.back-button {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

main {
  padding: 0 clamp(18px, 4vw, 56px) 56px;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: 48px 0;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--purple);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  max-width: 780px;
  color: var(--black);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.6rem, 12vw, 7.2rem);
  line-height: 0.92;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.08;
}

h3 {
  margin-bottom: 16px;
  font-size: 1.12rem;
}

.hero-copy p:not(.eyebrow) {
  max-width: 640px;
  color: rgba(32, 25, 32, 0.78);
  font-size: 1.16rem;
  line-height: 1.65;
}

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

.hero-portrait {
  display: grid;
  min-height: 520px;
  place-items: center;
  border-radius: 0;
  background:
    linear-gradient(145deg, rgba(16, 13, 16, 0.92), rgba(111, 61, 121, 0.72)),
    radial-gradient(circle at top, rgba(201, 154, 59, 0.42), transparent 42%);
  box-shadow: var(--shadow);
}

.portrait-card {
  width: min(84%, 420px);
  padding: 42px 28px;
  border: 1px solid rgba(239, 217, 166, 0.48);
  border-radius: var(--radius);
  color: var(--white);
  text-align: center;
}

.portrait-initials {
  display: grid;
  width: 152px;
  height: 152px;
  margin: 0 auto 24px;
  place-items: center;
  border: 1px solid var(--soft-gold);
  border-radius: 50%;
  color: var(--soft-gold);
  font-family: Georgia, serif;
  font-size: 4.4rem;
  font-weight: 700;
}

.portrait-line {
  display: block;
  width: 86px;
  height: 2px;
  margin: 0 auto 24px;
  background: var(--gold);
}

.portrait-card p {
  margin-bottom: 8px;
  font-size: 1.25rem;
  font-weight: 800;
}

.portrait-card small {
  color: rgba(255, 250, 247, 0.78);
}

.intro-section,
.institutional-section,
.lead-band,
.auth-panel,
.dashboard,
.course-page,
.admin,
.evaluations {
  padding: 52px 0;
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1fr);
  gap: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-section p:last-child {
  align-self: end;
  color: rgba(32, 25, 32, 0.75);
  font-size: 1.05rem;
  line-height: 1.7;
}

.institutional-section {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.feature-grid,
.service-grid,
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-grid,
.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.service-card,
.testimonial-card,
.stack-list div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 251, 0.88);
  box-shadow: 0 16px 34px rgba(32, 25, 32, 0.08);
  padding: 22px;
}

.dark-card {
  background:
    linear-gradient(145deg, rgba(16, 13, 16, 0.95), rgba(111, 61, 121, 0.78)),
    var(--black);
  color: var(--white);
}

.feature-card p,
.service-card p,
.testimonial-card p,
.split-section p,
.about-section p,
.contact-section p {
  color: rgba(32, 25, 32, 0.72);
  line-height: 1.62;
}

.dark-card p {
  color: rgba(255, 250, 247, 0.78);
}

.feature-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(201, 154, 59, 0.52);
  border-radius: 50%;
  color: var(--purple);
  font-weight: 900;
}

.split-section,
.about-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1.05fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.stack-list {
  display: grid;
  gap: 12px;
}

.stack-list strong,
.stack-list span {
  display: block;
}

.stack-list span {
  margin-top: 6px;
  color: rgba(32, 25, 32, 0.66);
  line-height: 1.5;
}

.lead-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: 24px;
  align-items: center;
  margin: 28px 0;
  border: 1px solid rgba(201, 154, 59, 0.42);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(239, 217, 166, 0.26), rgba(242, 216, 216, 0.34));
  padding: clamp(22px, 4vw, 38px);
  scroll-margin-top: 92px;
}

.inline-form,
.contact-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.contact-form {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 0.8fr) minmax(0, 1.3fr) auto;
}

.about-mark {
  display: grid;
  min-height: 320px;
  place-items: center;
  border: 1px solid rgba(239, 217, 166, 0.48);
  background:
    linear-gradient(145deg, rgba(16, 13, 16, 0.92), rgba(184, 111, 118, 0.72)),
    var(--black);
  color: var(--soft-gold);
  font-family: Georgia, serif;
  font-size: clamp(5rem, 14vw, 9rem);
  font-weight: 800;
}

.testimonial-card {
  display: grid;
  align-content: space-between;
  min-height: 210px;
}

.testimonial-card p {
  font-family: Georgia, serif;
  font-size: 1.16rem;
}

.testimonial-card strong {
  color: var(--purple);
}

.auth-grid,
.admin-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.auth-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-card,
.course-card,
.lesson-card,
.table-row,
.certificate-box,
.evaluation-summary {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 251, 0.86);
  box-shadow: 0 16px 34px rgba(32, 25, 32, 0.08);
}

.form-card {
  padding: 22px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: rgba(32, 25, 32, 0.78);
  font-size: 0.93rem;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(32, 25, 32, 0.18);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 154, 59, 0.16);
}

.form-note {
  margin: 14px 0 0;
  color: rgba(32, 25, 32, 0.6);
  font-size: 0.88rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.student-evaluations {
  margin-top: 34px;
}

.compact-heading h3 {
  margin-bottom: 0;
}

.course-card {
  display: grid;
  min-height: 310px;
  padding: 22px;
}

.course-card h3 {
  color: var(--black);
  font-size: 1.32rem;
}

.course-card p {
  color: rgba(32, 25, 32, 0.72);
  line-height: 1.55;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.pill {
  border: 1px solid rgba(184, 111, 118, 0.34);
  border-radius: 999px;
  background: rgba(242, 216, 216, 0.5);
  color: #6a3037;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 800;
}

.progress-track {
  width: 100%;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(32, 25, 32, 0.1);
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), var(--rose), var(--purple));
}

.card-actions {
  align-self: end;
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.course-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  gap: 22px;
  align-items: stretch;
  margin-top: 20px;
}

.course-summary,
.download-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(255, 253, 251, 0.88);
}

.download-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.module-list {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.module-block {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.lesson-card {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-top: 10px;
  padding: 16px;
}

.lesson-card input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--purple);
}

.lesson-card strong {
  display: block;
  margin-bottom: 4px;
}

.lesson-card small {
  color: rgba(32, 25, 32, 0.62);
}

.certificate-box {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  padding: 22px;
  border-color: rgba(201, 154, 59, 0.48);
  background: linear-gradient(135deg, rgba(239, 217, 166, 0.26), rgba(255, 253, 251, 0.92));
}

.evaluation-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.55fr);
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
  padding: 22px;
}

.evaluation-summary p {
  color: rgba(32, 25, 32, 0.72);
  line-height: 1.6;
}

.score-legend {
  display: grid;
  gap: 8px;
}

.score-legend span,
.score-badge {
  display: inline-flex;
  width: max-content;
  align-items: center;
  border: 1px solid rgba(201, 154, 59, 0.36);
  border-radius: 999px;
  background: rgba(239, 217, 166, 0.24);
  color: var(--black);
  padding: 7px 11px;
  font-size: 0.85rem;
  font-weight: 800;
}

.evaluation-form {
  margin-top: 28px;
}

.form-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.evaluation-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(112px, 1fr));
  gap: 12px;
  margin: 10px 0 18px;
}

.criterion-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 247, 0.72);
  padding: 12px;
}

.criterion-card label {
  margin-bottom: 8px;
}

.criterion-card span {
  display: block;
  min-height: 38px;
  color: var(--black);
  font-size: 0.88rem;
  font-weight: 800;
}

.evaluation-scores {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.admin-tables {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.table-list {
  display: grid;
  gap: 10px;
}

.table-row {
  padding: 14px;
}

.table-row strong {
  display: block;
  margin-bottom: 5px;
}

.table-row small {
  color: rgba(32, 25, 32, 0.64);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  transform: translateY(120%);
  max-width: min(360px, calc(100vw - 36px));
  border-radius: var(--radius);
  background: var(--black);
  color: var(--white);
  padding: 13px 16px;
  box-shadow: var(--shadow);
  transition: transform 180ms ease;
}

.toast.show {
  transform: translateY(0);
}

body.high-contrast {
  --white: #f7f0ea;
  --paper: #fffaf7;
  --rose-soft: #ecc5ca;
  --purple-soft: #ddc3e5;
}

@media (max-width: 980px) {
  .hero,
  .intro-section,
  .course-hero,
  .split-section,
  .about-section,
  .contact-section,
  .lead-band,
  .auth-grid,
  .admin-layout,
  .admin-tables,
  .evaluation-summary,
  .evaluation-fields {
    grid-template-columns: 1fr;
  }

  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .criteria-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .service-grid,
  .testimonial-grid,
  .inline-form,
  .contact-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
  }

  .hero-portrait {
    min-height: 380px;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .main-nav {
    justify-content: stretch;
    width: 100%;
    overflow-x: auto;
  }

  .main-nav a {
    flex: 1;
    text-align: center;
  }

  .session-actions {
    position: absolute;
    right: 18px;
    top: 14px;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }

  .criteria-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .service-grid,
  .testimonial-grid,
  .inline-form,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .card-actions,
  .hero-actions,
  .form-title-row {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .back-button {
    width: 100%;
  }
}