:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --muted: #e7edf5;
  --text: #152033;
  --subtle: #5c6b80;
  --primary: #1f4e8c;
  --primary-dark: #163a69;
  --accent: #e07a3d;
  --border: #d3dce8;
  --shadow: 0 18px 45px rgba(21, 32, 51, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

img,
video {
  display: block;
  max-width: 100%;
}

img {
  object-fit: cover;
}

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

.site-header {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(224, 122, 61, 0.22), transparent 34%),
    linear-gradient(135deg, #f3f6fa 0%, #e7edf5 100%);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0;
  backdrop-filter: blur(8px);
}

.brand {
  color: var(--text);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  padding: 8px 12px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 46px;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0 96px;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2.4rem, 6vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero p {
  max-width: 680px;
  color: var(--subtle);
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.button,
.quiz-actions button,
.back-to-top {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.quiz-actions button:hover,
.back-to-top:hover {
  transform: translateY(-2px);
}

.primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 14px 26px rgba(31, 78, 140, 0.24);
}

.primary:hover {
  background: var(--primary-dark);
  color: #ffffff;
}

.secondary {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.hero-image {
  margin: 0;
}

.hero-image img {
  aspect-ratio: 4 / 5;
  width: 100%;
  border: 12px solid var(--surface);
  border-radius: 34px;
  background: linear-gradient(135deg, #c5d0e0, #e7edf5);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.hero-image figcaption,
.small-text {
  color: var(--subtle);
  font-family: Arial, sans-serif;
  font-size: 0.86rem;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 86px 0;
}

.section.muted {
  width: 100%;
  padding-right: max(16px, calc((100% - 1120px) / 2));
  padding-left: max(16px, calc((100% - 1120px) / 2));
  background: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.two-column,
.media-grid,
.guide-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.card,
.benefit-item,
.quiz-card,
.contact-form,
.team-card {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
  padding: 28px;
}

.card h3,
.benefit-item h3,
.quiz-card h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

.highlight-card {
  background: #1a456f;
  color: #ffffff;
}

.visual-stack,
.guide-side {
  display: grid;
  gap: 18px;
}

.image-card {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.image-card img {
  width: 100%;
  height: 250px;
  background:
    linear-gradient(135deg, rgba(31, 78, 140, 0.26), rgba(224, 122, 61, 0.26)),
    #d9e2ef;
  transition: transform 0.35s ease;
}

.image-card:hover img {
  transform: scale(1.04);
}

.image-card figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  border-radius: 18px;
  background: rgba(21, 32, 51, 0.78);
  color: #f0f6ff;
  font-family: Arial, sans-serif;
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 12px 14px;
}

.tall-image img {
  height: 360px;
}

.compact-image img {
  height: 210px;
}

.highlight-card .check-list li::before {
  color: #f0a060;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
}

.check-list li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 900;
}

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

.image-strip {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.image-strip img {
  width: 100%;
  height: 220px;
  border: 10px solid var(--surface);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(31, 78, 140, 0.22), rgba(224, 122, 61, 0.2)),
    #d0dae8;
  box-shadow: 0 12px 28px rgba(21, 32, 51, 0.1);
}

.image-strip img:nth-child(2) {
  transform: translateY(22px);
}

.warning-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.ai-tools-section .section-heading p:not(.eyebrow) {
  max-width: 720px;
  color: var(--subtle);
}

.banner-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 30px;
  background: var(--text);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.banner-card img {
  width: 100%;
  height: 260px;
  background:
    linear-gradient(135deg, rgba(224, 122, 61, 0.32), rgba(31, 78, 140, 0.48)),
    #c5d0e0;
}

.banner-card div {
  padding: 26px 30px 26px 0;
}

.banner-card h3 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.banner-card p {
  margin: 0;
  color: #d7e4f4;
}

.ai-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  padding: 10px;
  box-shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
}

.ai-tab {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--subtle);
  cursor: pointer;
  flex: 0 0 auto;
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 12px 18px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.ai-tab:hover,
.ai-tab.active {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-1px);
}

.ai-profile {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 26px;
  border: 1px solid var(--border);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 30px;
}

.ai-profile-header {
  border-radius: 24px;
  background: linear-gradient(145deg, var(--primary), #122f54);
  color: #ffffff;
  padding: 26px;
}

.ai-profile-header span {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #c8e0ff;
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 8px 12px;
  text-transform: uppercase;
}

.ai-profile-header h3 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.ai-profile-header p {
  margin-bottom: 0;
  color: #e4eef9;
}

.ai-profile-body h4 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.ai-strength-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.ai-strength-list li {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f7faff;
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 12px;
}

.ai-best-for {
  margin: 0;
  border-left: 4px solid var(--accent);
  background: #f7faff;
  color: var(--subtle);
  padding: 14px 16px;
}

.prompt-lab {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
}

.prompt-form,
.prompt-result {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
  padding: 28px;
}

.prompt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.prompt-result {
  align-self: start;
  background:
    linear-gradient(145deg, rgba(31, 78, 140, 0.96), rgba(22, 58, 105, 0.96)),
    var(--primary);
  color: #ffffff;
}

.result-label {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #c8e0ff;
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 8px 12px;
  text-transform: uppercase;
}

.prompt-result h3 {
  margin: 0 0 12px;
  font-size: 1.7rem;
  line-height: 1.15;
}

.prompt-result p {
  color: #e4eef9;
}

.prompt-result ul {
  display: grid;
  gap: 10px;
  margin: 16px 0;
  padding-left: 20px;
}

.prompt-score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  margin-bottom: 16px;
  border-radius: 18px;
  background: #f0f6ff;
  color: var(--primary);
  font-family: Arial, sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  padding: 10px 14px;
}

.improved-prompt {
  margin-top: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 16px;
}

.benefit-item span {
  color: var(--accent);
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 18px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--primary);
  color: #ffffff;
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
}

tr:last-child td {
  border-bottom: 0;
}

video,
audio {
  width: 100%;
  margin-top: 16px;
}

video {
  border-radius: 18px;
  background: #121a28;
}

.video-frame,
.video-link-card {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  margin-top: 16px;
  border-radius: 18px;
  background: #121a28;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-link-card {
  position: relative;
}

.video-link-card img {
  width: 100%;
  height: 100%;
  opacity: 0.42;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 24px;
  color: #ffffff;
  text-align: center;
}

.play-overlay span {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  background: var(--accent);
  font-family: Arial, sans-serif;
  font-size: 1.4rem;
}

.play-overlay h4,
.play-overlay p {
  margin: 0;
}

.play-overlay p {
  color: #e4eef9;
}

.video-summary {
  margin-top: 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: #f7faff;
  padding: 16px;
}

.video-summary h4 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.video-summary p {
  margin-top: 0;
}

.video-summary ul {
  margin-bottom: 0;
  padding-left: 20px;
}

.audio-script {
  margin-top: 18px;
  border-left: 4px solid var(--primary);
  border-radius: 0 16px 16px 0;
  background: #f7faff;
  padding: 16px;
}

.audio-script h4 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.audio-script p {
  margin: 0;
}

.number-list {
  margin: 0;
  padding: 28px 28px 28px 52px;
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
}

.number-list li {
  margin-bottom: 12px;
  padding-left: 8px;
}

.quiz-card {
  background: var(--text);
  color: #ffffff;
}

.quiz-actions button {
  background: #ffffff;
  color: var(--text);
}

.quiz-result {
  margin-bottom: 0;
  color: #d7e4f4;
  font-weight: 700;
}

.contact-form {
  max-width: 760px;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

label {
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fbfdff;
  color: var(--text);
  outline: none;
  padding: 12px 14px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(31, 78, 140, 0.12);
}

.form-status {
  min-height: 26px;
  color: var(--primary);
  font-weight: 800;
}

.team-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  max-width: 920px;
  padding: 28px;
}

.team-info {
  border-radius: 22px;
  background: var(--primary);
  color: #ffffff;
  padding: 28px;
}

.team-info span {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #c8e0ff;
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 8px 12px;
  text-transform: uppercase;
}

.team-info h3 {
  margin: 0 0 10px;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.team-info p {
  margin-bottom: 0;
  color: #e4eef9;
}

.member-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.member-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f7faff;
  padding: 18px;
}

.member-item strong {
  color: var(--accent);
  font-family: Arial, sans-serif;
  font-size: 0.86rem;
  text-transform: uppercase;
}

.member-item p {
  margin: 8px 0 0;
  font-size: 1.08rem;
  font-weight: 700;
}

.site-footer {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 28px max(16px, calc((100% - 1120px) / 2));
  background: var(--text);
  color: #f0f6ff;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  background: #f0f6ff;
  color: var(--text);
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: min(280px, calc(100vw - 32px));
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 18px;
  }

  .nav-links.active {
    display: flex;
  }

  .hero,
  .two-column,
  .media-grid,
  .guide-layout,
  .ai-profile,
  .prompt-lab,
  .banner-card,
  .warning-visual,
  .team-card {
    grid-template-columns: 1fr;
  }

  .banner-card div {
    padding: 0 24px 24px;
  }

  .hero {
    padding-top: 48px;
  }

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

  .image-strip {
    grid-template-columns: 1fr;
  }

  .image-strip img:nth-child(2) {
    transform: none;
  }
}

@media (max-width: 560px) {
  .section,
  .section.muted {
    padding-top: 62px;
    padding-bottom: 62px;
  }

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

  .card,
  .benefit-item,
  .quiz-card,
  .contact-form {
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .ai-tabs {
    border-radius: 22px;
  }

  .ai-strength-list {
    grid-template-columns: 1fr;
  }

  .member-list {
    grid-template-columns: 1fr;
  }
}