@import url('/assets/styles.css');

:root {
  --olga-ink: #2f4f63;
  --olga-ink-soft: #3f799d;
  --olga-gold: #3f799d;
  --olga-gold-deep: #2f6688;
  --olga-mint: #6fafb5;
  --olga-surface: #f5f8fa;
  --olga-paper: #ffffff;
  --olga-line: #dce5ea;
  --olga-text: #2f4f63;
  --olga-muted: #5f7d92;
}

.olga-page {
  font-family: 'Noto Sans SC', 'Segoe UI', sans-serif;
  color: var(--olga-text);
  background:
    radial-gradient(circle at 12% -5%, rgba(111, 175, 181, 0.12) 0, rgba(111, 175, 181, 0) 40%),
    radial-gradient(circle at 100% 0, rgba(63, 121, 157, 0.12) 0, rgba(63, 121, 157, 0) 38%),
    var(--olga-surface);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #ffffff;
  border-bottom: 2px solid var(--olga-line);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-wrap {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.brand img {
  width: auto;
  height: 45px;
  transition: transform 0.3s;
}

.brand:hover img {
  transform: scale(1.05);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 10px 24px;
  border-radius: 6px;
  border: 0;
  background: var(--olga-ink-soft);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
  transition: background 0.3s;
}

.header-cta:hover {
  background: var(--olga-gold-deep);
}

.section {
  padding: clamp(56px, 8vw, 92px) 0;
}

.section-head {
  text-align: center;
  margin-bottom: clamp(30px, 5vw, 52px);
}

.section-head h2 {
  margin: 0;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 6vw, 3.15rem);
  letter-spacing: 0.03em;
  line-height: 1.05;
  color: var(--olga-ink);
}

.section-head .lead {
  max-width: 760px;
  margin: 14px auto 0;
  font-size: clamp(1rem, 2.4vw, 1.14rem);
  line-height: 1.75;
  color: var(--olga-muted);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(41, 66, 87, 0.2);
  background: rgba(41, 66, 87, 0.05);
  color: var(--olga-ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.olga-hero {
  position: relative;
  min-height: min(940px, 95vh);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(118deg, rgba(7, 20, 31, 0.9) 16%, rgba(22, 45, 63, 0.9) 50%, rgba(58, 106, 129, 0.82) 100%),
    url('/assets/images/olga-hero-bg.jpg') center / cover no-repeat;
}

.olga-hero::before,
.olga-hero::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.olga-hero::before {
  width: 460px;
  height: 460px;
  right: -150px;
  top: -130px;
  background: radial-gradient(circle, rgba(63, 121, 157, 0.22) 0, rgba(63, 121, 157, 0) 68%);
}

.olga-hero::after {
  width: 420px;
  height: 420px;
  left: -160px;
  bottom: -160px;
  background: radial-gradient(circle, rgba(111, 175, 181, 0.3) 0, rgba(111, 175, 181, 0) 72%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0) 30%),
    radial-gradient(circle at 80% 45%, rgba(255, 255, 255, 0.12) 0, rgba(255, 255, 255, 0) 48%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  padding: clamp(68px, 10vh, 130px) 20px clamp(80px, 11vh, 140px);
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 600px);
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
}

.hero-content {
  min-width: 0;
}

.hero-portrait {
  grid-column: 2;
  grid-row: 1 / span 2;
  justify-self: end;
  width: min(34vw, 460px);
  max-height: clamp(300px, 48vh, 440px);
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-portrait img {
  width: 100%;
  height: auto;
  max-height: 100%;
  border-radius: 0;
  display: block;
}

.hero-actions {
  grid-column: 1;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(111, 175, 181, 0.65);
  background: rgba(63, 121, 157, 0.24);
  color: #d6ecf7;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  color: #ffffff;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.3rem, 9.8vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  display: inline-flex;
  flex-direction: column;
  gap: 0.04em;
  text-wrap: initial;
  text-shadow: 0 16px 40px rgba(3, 11, 16, 0.5);
}

.olga-page:not(.olga-page-cn) .hero-title {
  display: block;
  white-space: nowrap;
  font-size: clamp(2.6rem, 5.2vw, 4.6rem);
}

.olga-page:not(.olga-page-cn) .hero-title-line {
  display: inline;
}

.olga-page:not(.olga-page-cn) .hero-title-line + .hero-title-line {
  margin-left: 0.22em;
}

.hero-title-line {
  display: block;
}

.hero-subtitle {
  margin: 12px 0 8px;
  color: #d6ecf7;
  font-size: clamp(1rem, 2.7vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-support {
  margin: 16px 0 20px;
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(0.95rem, 2.4vw, 1.08rem);
  line-height: 1.7;
}

.hero-featuring {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}

.hero-featuring strong {
  color: #ffffff;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-hero-primary,
.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  transition: 0.26s ease;
}

.btn-hero-primary {
  border: 1px solid transparent;
  color: #ffffff;
  background: linear-gradient(135deg, #6fa8cb 0%, #3f799d 100%);
  box-shadow: 0 14px 30px rgba(63, 121, 157, 0.34);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(63, 121, 157, 0.44);
}

.btn-hero-outline {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-hero-outline:hover {
  border-color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.16);
}

.event-banner {
  position: relative;
  z-index: 2;
  margin-top: -48px;
  margin-bottom: 26px;
}

.banner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(23, 47, 64, 0.14);
  box-shadow: 0 18px 42px rgba(15, 36, 51, 0.18);
}

.banner-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 92px;
  padding: 18px 16px;
  background: #edf2f7;
  border-right: 1px solid rgba(23, 47, 64, 0.08);
}

.banner-item:nth-child(odd) {
  background: #f4f8fb;
}

.banner-item:last-child {
  border-right: 0;
}

.banner-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #ffffff;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  box-shadow: 0 5px 14px rgba(41, 66, 87, 0.12);
}

.banner-text strong {
  display: block;
  margin-bottom: 4px;
  color: var(--olga-ink);
  font-size: 0.86rem;
  line-height: 1.2;
}

.banner-text span {
  display: block;
  color: var(--olga-muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.event-intro {
  background:
    linear-gradient(180deg, #f9fbfd 0%, #ffffff 20%, #ffffff 100%);
}

.course-topics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 30px;
}

.topic-card {
  position: relative;
  padding: 24px 18px;
  border-radius: 16px;
  border: 1px solid var(--olga-line);
  background: linear-gradient(180deg, #ffffff 0%, #f9fbfc 100%);
  transition: 0.26s ease;
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122, 176, 178, 0.55);
  box-shadow: 0 14px 28px rgba(41, 66, 87, 0.12);
}

.topic-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: linear-gradient(140deg, rgba(111, 175, 181, 0.24) 0%, rgba(63, 121, 157, 0.22) 100%);
  font-size: 1.2rem;
}

.topic-card h3 {
  margin: 0 0 8px;
  color: var(--olga-ink);
  font-size: 1rem;
  line-height: 1.35;
}

.topic-card p {
  margin: 0;
  color: var(--olga-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.course-format-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 0;
  margin-bottom: 26px;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px dashed rgba(41, 66, 87, 0.28);
  background: #f6f9fc;
}

.format-strip-item {
  color: var(--olga-ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.format-strip-icon {
  margin-right: 6px;
}

.format-strip-sep {
  margin: 0 10px;
  color: rgba(41, 66, 87, 0.35);
}

.summit-quote {
  position: relative;
  padding: clamp(26px, 6vw, 42px);
  border-radius: 18px;
  background: linear-gradient(140deg, #2f4f63 0%, #3f799d 55%, #6fafb5 100%);
  color: #ffffff;
  box-shadow: 0 18px 36px rgba(47, 79, 99, 0.26);
}

.summit-quote::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
}

.summit-quote blockquote {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.4rem, 3.8vw, 2rem);
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.summit-quote cite {
  display: inline-block;
  margin-top: 14px;
  color: #d6ecf7;
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-style: normal;
}

.speaker-section {
  background: #f3f7fa;
}

.speaker-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 54px);
  align-items: start;
}

.speaker-photo-wrap {
  position: sticky;
  top: 92px;
}

.speaker-photo-frame img {
  width: 100%;
  border-radius: 16px;
  display: block;
  border: 1px solid rgba(15, 36, 51, 0.12);
  box-shadow: 0 18px 34px rgba(15, 36, 51, 0.18);
}

.speaker-badge-wrap {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.speaker-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 36, 51, 0.14);
  background: #ffffff;
  color: var(--olga-ink-soft);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.speaker-bio {
  background: #ffffff;
  border: 1px solid var(--olga-line);
  border-radius: 18px;
  padding: clamp(20px, 4vw, 34px);
  box-shadow: 0 14px 32px rgba(15, 36, 51, 0.08);
}

.speaker-name-block {
  margin-bottom: 18px;
}

.speaker-name {
  margin: 0 0 6px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 5vw, 2.7rem);
  color: var(--olga-ink);
  letter-spacing: 0.04em;
  line-height: 1;
}

.speaker-title {
  margin: 0 0 4px;
  color: var(--olga-ink-soft);
  font-weight: 700;
  font-size: 0.9rem;
}

.speaker-specialty {
  margin: 0;
  color: var(--olga-muted);
  font-style: italic;
  font-size: 0.9rem;
}

.bio-text {
  margin: 0 0 14px;
  color: var(--olga-text);
  line-height: 1.8;
}

.bio-protocol {
  margin: 20px 0;
  padding: 14px 16px;
  border-radius: 12px;
  border-left: 3px solid var(--olga-gold);
  background: linear-gradient(130deg, rgba(63, 121, 157, 0.14) 0%, rgba(111, 175, 181, 0.14) 100%);
}

.protocol-label {
  margin: 0 0 6px;
  color: var(--olga-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.protocol-name {
  margin: 0;
  color: var(--olga-ink);
  font-weight: 700;
  font-style: italic;
}

.speaking-highlights h4 {
  margin: 0 0 10px;
  color: var(--olga-ink);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.highlight-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.highlight-list li {
  position: relative;
  padding-left: 18px;
  color: var(--olga-muted);
  line-height: 1.58;
}

.highlight-list li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--olga-gold-deep);
  font-weight: 700;
}

.philosophy-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2f4f63 0%, #3f799d 100%);
}

.philosophy-text {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  line-height: 1.65;
}

.philosophy-attr {
  margin: 0;
  color: #d6ecf7;
  font-size: 0.84rem;
  letter-spacing: 0.03em;
}

.schedule-section {
  background: #ffffff;
}

.schedule-grid {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  align-items: start;
}

.schedule-location-card,
.schedule-timeline {
  border: 1px solid var(--olga-line);
  border-radius: 16px;
  background: var(--olga-paper);
  box-shadow: 0 12px 26px rgba(15, 36, 51, 0.08);
}

.schedule-location-card {
  padding: 24px 20px;
}

.schedule-card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(122, 176, 178, 0.2);
  margin-bottom: 14px;
}

.schedule-location-card h3 {
  margin: 0 0 8px;
  color: var(--olga-ink);
}

.schedule-location-main {
  margin: 0;
  color: var(--olga-ink);
  font-size: 1.3rem;
  font-weight: 800;
}

.schedule-location-region {
  margin: 2px 0 8px;
  color: var(--olga-muted);
}

.schedule-location-note {
  margin: 0;
  color: var(--olga-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.schedule-timeline {
  padding: 20px;
}

.deadline-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 12px;
  border-radius: 12px;
  border: 1px dashed rgba(63, 121, 157, 0.45);
  background: rgba(63, 121, 157, 0.12);
}

.deadline-banner strong {
  display: block;
  color: var(--olga-ink);
  font-size: 0.9rem;
}

.deadline-banner span {
  color: var(--olga-muted);
  font-size: 0.84rem;
}

.timeline-days {
  display: grid;
  gap: 12px;
}

.timeline-day {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--olga-line);
  border-radius: 12px;
  background: #f9fbfc;
}

.day-badge {
  height: fit-content;
  min-height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(41, 66, 87, 0.24);
  color: var(--olga-ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.day-badge-alt {
  border-color: rgba(122, 176, 178, 0.72);
  background: rgba(122, 176, 178, 0.16);
}

.day-content h4 {
  margin: 0 0 4px;
  color: var(--olga-ink);
  font-size: 1rem;
}

.day-content p {
  margin: 0;
  color: var(--olga-muted);
  line-height: 1.6;
  font-size: 0.9rem;
}

.day-tags {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.day-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(41, 66, 87, 0.16);
  background: #ffffff;
  color: var(--olga-ink-soft);
  font-size: 0.74rem;
  font-weight: 700;
}

.package-preview-section {
  padding-top: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f5f9fc 100%);
}

.package-preview-card {
  border-radius: 18px;
  border: 1px solid var(--olga-line);
  background: #ffffff;
  box-shadow: 0 16px 34px rgba(15, 36, 51, 0.08);
  padding: clamp(16px, 3.4vw, 24px);
}

.package-preview-card h2 {
  margin: 0;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.03em;
  font-size: clamp(2rem, 5.4vw, 2.9rem);
  line-height: 1.02;
  color: var(--olga-ink);
}

.package-preview-card .eyebrow {
  margin-bottom: 8px;
}

.package-preview-card .lead {
  margin: 10px 0 0;
  color: var(--olga-muted);
  line-height: 1.7;
}

.package-disclaimer {
  margin: 10px 0 0;
  color: var(--olga-ink-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

.package-brief {
  margin: 0;
  color: var(--olga-ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.package-brief a {
  color: var(--olga-ink-soft);
  text-decoration: underline;
  font-weight: 700;
}

.package-disclaimer a {
  color: var(--olga-ink-soft);
  text-decoration: underline;
  font-weight: 700;
}

.btn-package-entry {
  margin-top: 10px;
  border: 1px solid rgba(41, 66, 87, 0.22);
  color: var(--olga-ink-soft);
  background: rgba(122, 176, 178, 0.12);
}

.tap-hint {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.96em;
}

.btn-package-entry:hover {
  background: rgba(122, 176, 178, 0.2);
}

.package-accordion {
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid rgba(41, 66, 87, 0.16);
  background: #f8fbfd;
}

.package-accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  color: var(--olga-ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.package-accordion summary::-webkit-details-marker {
  display: none;
}

.package-accordion summary::after {
  content: '+';
  float: right;
  color: var(--olga-ink-soft);
  font-weight: 700;
}

.package-accordion[open] summary::after {
  content: '-';
}

.package-accordion-content {
  padding: 0 14px 14px;
}

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

.mini-package-item {
  border-radius: 12px;
  border: 1px solid rgba(41, 66, 87, 0.14);
  background: #ffffff;
  padding: 10px;
}

.mini-package-item h3 {
  margin: 0;
  color: var(--olga-ink);
  font-size: 0.95rem;
}

.mini-package-item p {
  margin: 4px 0 6px;
  color: var(--olga-muted);
  line-height: 1.5;
  font-size: 0.82rem;
}

.mini-package-item .mini-price-line {
  margin: 0;
  color: var(--olga-ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
  font-weight: 700;
}

.mini-package-item .mini-price-line + .mini-price-line {
  margin-top: 3px;
  color: #49657a;
  font-weight: 600;
}

.register-section {
  background:
    linear-gradient(180deg, #f4f8fa 0%, #eef4f8 100%);
}

.register-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 540px);
  gap: clamp(22px, 4vw, 52px);
  align-items: start;
}

.register-info {
  position: sticky;
  top: 94px;
}

.register-info h2 {
  margin: 0;
  font-family: 'Bebas Neue', sans-serif;
  color: var(--olga-ink);
  font-size: clamp(2rem, 5.2vw, 2.9rem);
  letter-spacing: 0.03em;
}

.register-info .lead {
  margin: 12px 0 0;
  color: var(--olga-muted);
  line-height: 1.7;
}

.register-benefits {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.benefit-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(15, 36, 51, 0.1);
  background: rgba(255, 255, 255, 0.82);
}

.benefit-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(122, 176, 178, 0.2);
  flex-shrink: 0;
}

.benefit-item strong {
  display: block;
  margin-bottom: 2px;
  color: var(--olga-ink);
  font-size: 0.92rem;
}

.benefit-item p {
  margin: 0;
  color: var(--olga-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.register-form-wrap {
  border-radius: 18px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--olga-line);
  box-shadow: 0 20px 42px rgba(15, 36, 51, 0.12);
}

.olga-form {
  padding: clamp(18px, 4vw, 34px);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--olga-ink);
  font-weight: 700;
  font-size: 0.9rem;
}

.field-hint {
  color: var(--olga-muted);
  font-size: 0.8rem;
  font-weight: 400;
}

.form-group input[type='text'],
.form-group input[type='email'],
.form-group input[type='tel'],
.form-group textarea,
.form-select,
.country-select {
  width: 100%;
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid rgba(41, 66, 87, 0.24);
  background: #ffffff;
  color: var(--olga-text);
  font-size: 0.94rem;
  font-family: inherit;
  padding: 11px 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group textarea {
  min-height: 98px;
  resize: vertical;
  line-height: 1.6;
}

.form-group input[type='text']:focus,
.form-group input[type='email']:focus,
.form-group input[type='tel']:focus,
.form-group textarea:focus,
.form-select:focus,
.country-select:focus {
  outline: none;
  border-color: var(--olga-ink-soft);
  box-shadow: 0 0 0 3px rgba(41, 66, 87, 0.12);
}

.phone-input-group {
  display: flex;
  gap: 10px;
}

.country-select {
  width: 170px;
  flex-shrink: 0;
  cursor: pointer;
}

.phone-number {
  min-width: 0;
  flex: 1;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(41, 66, 87, 0.22);
  background: #ffffff;
  cursor: pointer;
  transition: 0.2s ease;
}

.chip-option:hover {
  border-color: rgba(41, 66, 87, 0.5);
  background: rgba(122, 176, 178, 0.08);
}

.chip-option input[type='checkbox'],
.chip-option input[type='radio'] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: #2f5f7a;
}

.chip-text {
  font-size: 0.86rem;
  color: var(--olga-text);
  line-height: 1;
}

.chip-option:has(input:checked),
.chip-option input:checked ~ .chip-text {
  border-color: rgba(41, 66, 87, 0.58);
  color: var(--olga-ink);
  font-weight: 700;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2332475e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  left: -9999px;
  pointer-events: none;
}

.form-consent {
  margin: 14px 0 12px;
  color: var(--olga-muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.form-consent a {
  color: var(--olga-ink-soft);
  text-decoration: underline;
}

.btn-primary {
  border: 0;
  border-radius: 999px;
  min-height: 50px;
  background: linear-gradient(135deg, #6fa8cb 0%, #3f799d 100%);
  color: #ffffff;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: 0.24s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(63, 121, 157, 0.35);
}

.btn-full {
  width: 100%;
  display: block;
}

.form-status {
  margin-top: 12px;
  min-height: 20px;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  font-size: 0.88rem;
}

.form-status.success {
  background: #e7f4ea;
  color: #256f3f;
}

.form-status.error {
  background: #fde8e8;
  color: #a33232;
}

.site-footer {
  background: #2f4f63;
  color: rgba(255, 255, 255, 0.8);
}

.footer-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  text-align: center;
  font-size: 0.82rem;
}

.site-footer a {
  color: #d6ecf7;
}

.mobile-action {
  backdrop-filter: blur(8px);
}

.mobile-action .btn-light {
  border: 1.5px solid rgba(47, 79, 99, 0.42);
  background: #ffffff;
  color: #2f4f63;
  box-shadow: 0 4px 10px rgba(47, 79, 99, 0.12);
}

.mobile-action .btn-light:hover {
  background: #f1f6fa;
  border-color: rgba(47, 79, 99, 0.58);
}

.mobile-action .btn-light:focus-visible {
  outline: 2px solid rgba(63, 121, 157, 0.55);
  outline-offset: 1px;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: #3f799d;
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(10, 20, 30, 0.28);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px) scale(0.92);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, background-color 0.22s ease;
  z-index: 998;
}

.back-to-top span {
  font-size: 16px;
  line-height: 1;
  transform: translateY(-1px);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.back-to-top:hover {
  background: #4f8db3;
}

.back-to-top:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}

.submit-overlay {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(10, 20, 30, 0.52);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.submit-overlay[hidden] {
  display: none !important;
}

.submit-overlay-card {
  width: min(92vw, 420px);
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(41, 66, 87, 0.2);
  box-shadow: 0 20px 44px rgba(10, 20, 30, 0.3);
  padding: 22px 18px 18px;
  position: relative;
  text-align: center;
}

.submit-overlay-close {
  position: absolute;
  top: 8px;
  right: 10px;
  border: 0;
  background: transparent;
  color: #587085;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.submit-overlay-close:hover {
  color: #2f4658;
}

.submit-overlay-icon-wrap {
  width: 56px;
  height: 56px;
  margin: 6px auto 14px;
  display: grid;
  place-items: center;
}

.submit-overlay-spinner {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 3px solid rgba(41, 66, 87, 0.2);
  border-top-color: #2f5f7a;
  animation: submit-spin 0.8s linear infinite;
}

.submit-overlay-check {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #e6f5e9;
  color: #2f7a42;
  font-size: 26px;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
}

.submit-overlay[data-mode='success'] .submit-overlay-spinner {
  display: none;
}

.submit-overlay[data-mode='success'] .submit-overlay-check {
  display: flex;
}

.submit-overlay-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: #163347;
}

.submit-overlay-text {
  margin: 0;
  color: #5c7080;
  font-size: 0.92rem;
  line-height: 1.6;
}

@keyframes submit-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1080px) {
  .banner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .banner-item {
    border-right: 1px solid rgba(23, 47, 64, 0.08);
    border-bottom: 1px solid rgba(23, 47, 64, 0.08);
  }

  .banner-item:nth-child(2n) {
    border-right: 0;
  }

  .banner-item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

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

  .register-layout {
    grid-template-columns: 1fr;
  }

  .register-info {
    position: static;
  }
}

@media (max-width: 900px) {
  .speaker-grid,
  .schedule-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-portrait {
    grid-column: 1;
    grid-row: auto;
    justify-self: center;
    width: min(70vw, 320px);
    margin-top: 18px;
  }

  .olga-page:not(.olga-page-cn) .hero-title {
    white-space: normal;
  }

  .olga-page:not(.olga-page-cn) .hero-title-line {
    display: block;
    margin-left: 0;
  }

  .speaker-photo-wrap {
    position: static;
    max-width: 320px;
    margin: 0 auto;
  }

  .timeline-day {
    grid-template-columns: 1fr;
  }

  .day-badge {
    width: fit-content;
    padding: 0 14px;
  }
}

@media (min-width: 901px) {
  .hero-portrait {
    margin-right: -64px;
    transform: translateX(6vw);
  }
}

@media (max-width: 767px) {
  main {
    padding-bottom: 72px;
  }

  .site-header {
    position: relative;
    top: auto;
    background: #ffffff;
  }

  .header-wrap {
    min-height: 0;
  }

  .header-cta {
    min-height: 0;
    padding: 8px 16px;
    font-size: 14px;
  }

  .brand img {
    height: 35px;
  }

  .olga-hero {
    min-height: 86vh;
  }

  .hero-inner {
    padding: 58px 20px 92px;
  }

  .hero-support {
    margin-bottom: 16px;
  }

  .hero-featuring {
    margin-bottom: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
  }

  .event-banner {
    margin-top: -38px;
  }

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

  .banner-item,
  .banner-item:nth-child(2n) {
    border-right: 0;
  }

  .banner-item:not(:last-child) {
    border-bottom: 1px solid rgba(23, 47, 64, 0.08);
  }

  .banner-item:last-child {
    border-bottom: 0;
  }

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

  .mini-package-grid {
    grid-template-columns: 1fr;
  }

  .format-strip-sep {
    margin: 0 8px;
  }

  .phone-input-group {
    flex-direction: column;
  }

  .country-select {
    width: 100%;
  }

  .chip-group {
    flex-direction: column;
  }

  .chip-option {
    width: 100%;
    border-radius: 12px;
  }

  .footer-wrap {
    padding: 12px 0;
    font-size: 0.78rem;
  }

  .back-to-top {
    right: 14px;
    bottom: 84px;
    width: 36px;
    height: 36px;
  }

  .submit-overlay-card {
    width: 100%;
    max-width: 360px;
    padding: 20px 14px 14px;
  }
}

@media (max-width: 520px) {
  .hero-title {
    line-height: 0.92;
  }

  .hero-portrait {
    width: min(78vw, 260px);
    padding: 10px;
  }

  .hero-support {
    max-width: 100%;
  }

  .course-format-strip {
    justify-content: flex-start;
    gap: 8px;
  }

  .format-strip-sep {
    display: none;
  }
}