:root {
  --color-ink: #17243a;
  --color-muted: #627086;
  --color-blue: #155b8f;
  --color-blue-deep: #0b3f66;
  --color-cream: #fff8ed;
  --color-paper: #f7f8fb;
  --color-warm: #d88a32;
  --color-teal: #35a6a0;
  --color-line: #e4e8ef;
  --shadow-soft: 0 24px 70px rgba(23, 36, 58, 0.13);
  --radius-small: 8px;
  --space-page: 5vw;
  --font-family-base: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-family-base);
  background: #fbfcff;
  line-height: 1.6;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 0 var(--space-page);
  background: rgba(251, 252, 255, 0.9);
  border-bottom: 1px solid rgba(228, 232, 239, 0.9);
  backdrop-filter: blur(16px);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-blue-deep);
  font-weight: 800;
  letter-spacing: 0;
}

.site-header__brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-teal));
  border-radius: var(--radius-small);
  font-weight: 900;
}

.site-header__links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  color: #344258;
  font-size: 14px;
}

.site-header__link {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.site-header__link:hover {
  color: var(--color-blue);
  border-color: var(--color-warm);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-small);
  color: #fff;
  background: var(--color-blue);
  box-shadow: 0 12px 30px rgba(21, 91, 143, 0.24);
  font-weight: 750;
  cursor: pointer;
}

.button:hover {
  background: var(--color-blue-deep);
}

.button--secondary {
  color: var(--color-blue-deep);
  background: #e9f0f5;
  box-shadow: none;
}

.site-header__cta {
  gap: 9px;
}

.eyebrow {
  margin: 0 0 20px;
  color: #8a551d;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
  gap: clamp(34px, 5vw, 78px);
  align-items: center;
  min-height: calc(100vh - 66px);
  padding: clamp(64px, 8vw, 110px) var(--space-page) 54px;
  background:
    linear-gradient(90deg, rgba(255, 248, 237, 0.84), rgba(251, 252, 255, 0.72)),
    url("../images/pdf-extracted/image-01.jpg") center / cover no-repeat;
}

.hero__title {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6.2vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero__accent {
  color: var(--color-blue);
}

.hero__copy,
.mentor__copy,
.trial__copy {
  max-width: 640px;
  color: #344258;
  font-size: clamp(17px, 1.6vw, 21px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 0;
}

.hero__media {
  position: relative;
  min-height: 460px;
}

.hero__photo {
  overflow: hidden;
  height: min(58vw, 570px);
  min-height: 430px;
  border-radius: 8px 36px 8px 8px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__stat {
  position: absolute;
  left: -26px;
  bottom: 44px;
  width: min(285px, 76%);
  padding: 22px 24px;
  background: #ffd5a3;
  border-radius: var(--radius-small);
  box-shadow: 0 18px 42px rgba(117, 76, 34, 0.2);
}

.hero__stat-value {
  display: block;
  font-size: 36px;
  line-height: 1;
}

.hero__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.experience,
.curriculum,
.mentor,
.trial {
  padding: clamp(70px, 9vw, 122px) var(--space-page);
}

.experience,
.mentor {
  background: var(--color-paper);
}

.curriculum,
.trial {
  background: #fff;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading__title,
.mentor__title,
.trial__title {
  margin-bottom: 12px;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading__title--nowrap {
  white-space: nowrap;
  font-size: clamp(30px, 3.6vw, 48px);
}

.section-heading__text {
  color: var(--color-muted);
  font-size: 17px;
}

.experience__media {
  overflow: hidden;
  max-width: 1040px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-small);
  box-shadow: var(--shadow-soft);
  aspect-ratio: 16 / 7.5;
}

.experience__video {
  width: 100%;
  height: 100%;
  background: #101a2a;
  object-fit: cover;
  object-position: center;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1040px;
  margin: 28px auto 0;
  gap: 16px;
}

.feature-card,
.course-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: #fff;
}

.feature-card {
  min-height: 112px;
  padding: 22px;
}

.feature-card__title,
.mentor-item__title {
  margin-bottom: 0;
  color: var(--color-blue-deep);
  font-size: 18px;
}

.feature-card__text,
.course-card__text,
.mentor-item__text {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.curriculum__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1140px;
  margin: 0 auto;
  gap: 22px;
}

.course-card {
  padding: 30px;
  box-shadow: 0 14px 36px rgba(23, 36, 58, 0.06);
}

.course-card__icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: var(--radius-small);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
}

.course-card:nth-child(1) .course-card__icon {
  background: var(--color-warm);
}

.course-card:nth-child(2) .course-card__icon {
  background: var(--color-teal);
}

.course-card:nth-child(3) .course-card__icon {
  background: var(--color-blue);
}

.course-card__title {
  margin-bottom: 10px;
  font-size: 23px;
}

.mentor {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.mentor__photo {
  overflow: hidden;
  border-radius: var(--radius-small);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.mentor__photo img {
  width: 100%;
  aspect-ratio: 1 / 0.86;
  object-fit: cover;
  object-position: center 14%;
}

.mentor__list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.mentor-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: start;
}

.mentor-item__number {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: var(--radius-small);
  color: var(--color-blue-deep);
  background: #e4f3f1;
  font-weight: 900;
}

.trial {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.trial__title {
  max-width: 520px;
}

.trial__points {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  padding: 0;
  list-style: none;
}

.trial__point {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #344258;
}

.trial__check {
  display: grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--radius-small);
  color: #fff;
  background: var(--color-blue);
  font-size: 14px;
  font-weight: 900;
}

.registration-card {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 26px;
  align-items: center;
  padding: clamp(22px, 4vw, 36px);
  border-top: 5px solid var(--color-warm);
  border-radius: var(--radius-small);
  background: var(--color-cream);
  box-shadow: var(--shadow-soft);
}

.registration-card__price {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--color-warm);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.registration-card__price-label {
  color: var(--color-ink);
  font-size: 18px;
  font-weight: 800;
}

.registration-card__quote {
  margin: 18px 0;
  color: #344258;
  font-size: 18px;
}

.registration-card__address {
  color: var(--color-muted);
  font-size: 15px;
}

.registration-card__qr img {
  width: 170px;
  height: 170px;
  border: 10px solid #fff;
  border-radius: var(--radius-small);
  box-shadow: 0 12px 26px rgba(23, 36, 58, 0.1);
  object-fit: cover;
  object-position: 77% 36%;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px var(--space-page);
  color: var(--color-muted);
  background: var(--color-paper);
  border-top: 1px solid var(--color-line);
  font-size: 13px;
}

@media (max-width: 940px) {
  .site-header__links {
    display: none;
  }

  .hero,
  .mentor,
  .trial {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__media {
    min-height: auto;
  }

  .hero__photo {
    height: 54vh;
  }

  .feature-list,
  .curriculum__grid {
    grid-template-columns: 1fr;
  }

  .experience__media {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 0 20px;
  }

  .site-header__cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .hero,
  .experience,
  .curriculum,
  .mentor,
  .trial {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero__title {
    font-size: 42px;
  }

  .section-heading__title--nowrap {
    font-size: 22px;
  }

  .hero__photo {
    height: 430px;
    min-height: 320px;
    border-radius: 8px 24px 8px 8px;
  }

  .hero__stat {
    right: 16px;
    bottom: 16px;
    left: 16px;
    width: auto;
  }

  .registration-card {
    grid-template-columns: 1fr;
  }

  .registration-card__qr img {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
  }

  .site-footer {
    flex-direction: column;
  }
}