:root {
  color-scheme: light;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  color: #1a1410;
  background: #faf6f0;

  /* Premium palette */
  --red-deep: #a30a14;
  --red-core: #d41220;
  --red-bright: #e83040;
  --red-glow: rgba(227, 6, 19, 0.35);
  --creme-light: #fdf8f0;
  --creme: #f5ece0;
  --creme-warm: #f0e4d4;
  --creme-blush: #fce8e6;
  --gold-accent: #c8a86e;
  --gold-soft: #e8d5b0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--creme-light);
  color: #1a1410;
}

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

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

.page-shell {
  max-width: 1400px;
  margin: 0 auto;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--red-deep) 0%, var(--red-core) 50%, var(--red-bright) 100%);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 2px 16px rgba(164, 10, 20, 0.30),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.top-nav a,
.top-nav .brand,
.top-nav .menu-toggle span {
  color: #ffffff;
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.main-nav a {
  font-weight: 600;
  color: #ffffff;
}

.main-nav a:hover {
  opacity: 0.88;
}

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

.brand-logo {
  display: block;
  height: 2.75rem;
  width: auto;
  max-width: min(11rem, 42vw);
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  background: transparent;
  cursor: pointer;
  margin-left: auto;
  padding: 0;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle-bar {
  display: block;
  width: 1.45rem;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: transform 0.28s ease, opacity 0.2s ease;
  transform-origin: center;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

body.nav-open .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(15, 23, 42, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.32s ease, visibility 0.32s ease;
}

.mobile-nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  width: min(20rem, 88vw);
  height: 100%;
  height: 100dvh;
  background: linear-gradient(180deg, var(--red-deep) 0%, var(--red-core) 60%, #8b0c16 100%);
  color: #ffffff;
  box-shadow: -12px 0 40px rgba(15, 23, 42, 0.32);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.34s ease;
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
  padding: 0.85rem 1rem 0.85rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
}

.mobile-nav-drawer-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.mobile-nav-drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.mobile-nav-drawer-close:hover {
  background: rgba(255, 255, 255, 0.24);
}

.mobile-nav-drawer-close-icon {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
}

.mobile-nav-drawer-close-icon::before,
.mobile-nav-drawer-close-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: #ffffff;
}

.mobile-nav-drawer-close-icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.mobile-nav-drawer-close-icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.mobile-nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem 1rem;
  overflow-y: auto;
  flex: 1;
}

.mobile-nav-drawer-links a {
  display: flex;
  align-items: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  transition: background 0.2s ease, transform 0.2s ease;
}

.mobile-nav-drawer-links a:hover,
.mobile-nav-drawer-links a:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  transform: translateX(-4px);
}

.mobile-nav-drawer-footer {
  padding: 1rem 1rem 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
}

.mobile-nav-drawer-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff9f0 0%, #ffffff 40%, #fff3e8 100%);
  color: var(--red-core);
  font-weight: 800;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.mobile-nav-drawer-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

@media (min-width: 861px) {
  .mobile-nav-overlay,
  .mobile-nav-drawer {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-nav-drawer,
  .mobile-nav-overlay,
  .menu-toggle-bar {
    transition: none;
  }
}

.hero.hero-slider {
  position: relative;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  padding: 0;
}

.hero-slider-window {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.78) 100%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 4rem 2rem 5rem;
  color: #ffffff;
}

.hero-copy .eyebrow {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #ffddc9;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  line-height: 1.02;
  margin: 0;
}

.hero-copy p {
  margin: 1.8rem 0;
  font-size: 1.1rem;
  max-width: 560px;
  color: #f8f7f4;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.28s ease;
  position: relative;
  overflow: hidden;
}

.button-primary {
  background: linear-gradient(135deg, var(--red-core) 0%, var(--red-bright) 50%, var(--red-core) 100%);
  background-size: 200% 200%;
  color: #ffffff;
  box-shadow:
    0 4px 16px var(--red-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.button-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.button-primary:hover::before {
  left: 100%;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}

.button-primary:hover {
  background-position: 100% 100%;
  box-shadow:
    0 6px 24px rgba(227, 6, 19, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.65);
  transform: translateY(-1px);
}

.hero-slider-controls {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  gap: 0.75rem;
  z-index: 2;
}

.slider-button,
.carousel-button {
  width: 3.2rem;
  height: 3.2rem;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: #111827;
  cursor: pointer;
  font-size: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.section {
  padding: 5rem 1.5rem;
  position: relative;
}

.section-light {
  background: #ffffff;
}

.section-white {
  background: var(--creme-light);
}

.section-dark {
  background: linear-gradient(160deg, #0c1628 0%, #081022 50%, #0a0a1a 100%);
  color: #f8fafc;
}

.section-red {
  background:
    linear-gradient(160deg, var(--red-deep) 0%, var(--red-core) 40%, var(--red-bright) 100%);
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.section-red::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
}

.section-red .section-label {
  color: var(--gold-soft);
}

.section-red h2 {
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.section-tinted-red {
  background: linear-gradient(160deg, var(--creme-light) 0%, var(--creme) 30%, var(--creme-blush) 70%, #f9d5d0 100%);
  color: #1a1410;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 2.75rem;
  text-align: center;
}

.section-heading h2 {
  margin: 0.75rem 0 0;
  font-size: clamp(2rem, 3vw, 2.9rem);
}

.section-label {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--red-core);
  margin-bottom: 1rem;
}

.section-label-light {
  color: #86c2ff;
}

.section-seminars {
  padding-top: 4rem;
}

.section-seminars .section-heading {
  margin-bottom: 2.5rem;
}

.section-highlights .highlights-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1180px;
  margin: 0 auto;
}

.highlight-card {
  padding: 2rem;
  border-radius: 28px;
  background: linear-gradient(160deg, #ffffff 0%, var(--creme-light) 100%);
  border: 1px solid rgba(200, 168, 110, 0.12);
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.06),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.highlight-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 24px 48px rgba(15, 23, 42, 0.10),
    0 0 0 1px rgba(200, 168, 110, 0.18) inset;
}

.highlight-card h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

.section-image-card {
  max-width: 1180px;
  margin: 2.5rem auto 0;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

.section-image-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.section-image-card p {
  margin: 0;
  padding: 1.5rem 2rem;
  background: #ffffff;
  color: #334155;
  font-size: 1rem;
}

.section-testimonials .testimonial-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1180px;
  margin: 0 auto;
}

.testimonial-card {
  padding: 2rem;
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(255,249,240,0.9) 100%);
  border: 1px solid rgba(200, 168, 110, 0.12);
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 24px 48px rgba(15, 23, 42, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.testimonial-card p {
  margin: 0;
  color: #334155;
  font-size: 1rem;
  line-height: 1.8;
}

.testimonial-card strong {
  display: block;
  margin-top: 1.25rem;
  color: #111827;
}

.seminar-cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  max-width: 1180px;
  margin: 0 auto;
}

.seminar-card {
  min-width: 0;
  padding-top: 1.35rem;
}

.section-programs .section-intro {
  max-width: 42rem;
  margin: 0.75rem auto 0;
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.92);
}

.section-programs .section-intro a {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.program-guide-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.program-guide-item {
  display: grid;
  gap: 1.5rem;
  align-items: start;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  padding: 1.5rem;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, var(--creme-light) 100%);
  color: #111827;
  border: 1px solid rgba(200, 168, 110, 0.12);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
}

.program-guide-image {
  border-radius: 18px;
  overflow: hidden;
  background: #e5e7eb;
}

.program-guide-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.program-guide-body h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.35;
}

.program-guide-body p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: #4b5563;
}

@media (max-width: 720px) {
  .program-guide-item {
    grid-template-columns: 1fr;
  }
}

.seminar-card-link {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 24px;
  overflow: visible;
  background: linear-gradient(180deg, #ffffff 0%, var(--creme-light) 100%);
  color: #111827;
  border: 1px solid rgba(200, 168, 110, 0.08);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.seminar-card-body {
  position: relative;
  z-index: 0;
}

.seminar-card-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.2);
}

.seminar-card-media {
  position: relative;
  z-index: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 24px 24px 0 0;
  background: #e5e7eb;
}

.seminar-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.seminar-card-link:hover .seminar-card-media img {
  transform: scale(1.04);
}

.seminar-card-date {
  position: absolute;
  top: 0;
  left: 1.25rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 4.5rem;
  padding: 0.65rem 0.85rem 1rem;
  border-radius: 14px 14px 4px 4px;
  background: linear-gradient(165deg, var(--red-bright) 0%, var(--red-core) 45%, var(--red-deep) 100%);
  color: #ffffff;
  text-align: center;
  line-height: 1.1;
  transform: translateY(-42%);
  box-shadow:
    0 10px 28px rgba(164, 10, 20, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  pointer-events: none;
}

.seminar-card-date::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 45%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent);
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.seminar-card-date::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.35rem;
  width: 0.55rem;
  height: 0.55rem;
  transform: translateX(-50%) rotate(45deg);
  background: var(--red-deep);
  border-radius: 0 0 2px 0;
  box-shadow: inset 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.seminar-card-day {
  display: block;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.seminar-card-month {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.92;
}

.seminar-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.65rem;
  padding: 1.35rem 1.35rem 1.5rem;
}

.seminar-card-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.35;
}

.seminar-card-location {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--red-core);
}

.seminar-card-excerpt {
  margin: 0;
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #4b5563;
}

.seminar-card-cta {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--red-core);
  transition: color 0.2s ease;
}

.seminar-card-link:hover .seminar-card-cta {
  color: var(--red-deep);
}

.seminar-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem;
  text-align: center;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
}

.seminar-carousel {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  background: #111827;
}

.seminar-slides {
  position: relative;
}

.seminar-slide {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 2rem;
}

.seminar-slide.hidden {
  display: none;
}

.seminar-media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 28px;
}

.seminar-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.seminar-copy {
  color: #ffffff;
  display: grid;
  gap: 1.2rem;
}

.seminar-date-large {
  font-size: 5rem;
  font-weight: 800;
  line-height: 0.95;
}

.seminar-date-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #fbbf24;
  font-weight: 700;
}

.seminar-copy h3 {
  margin: 0;
  font-size: clamp(2rem, 2.8vw, 2.8rem);
}

.seminar-copy p {
  margin: 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.88);
}

.section-dark .info-grid {
  max-width: 1180px;
  margin: 0 auto;
}

.info-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.3fr 0.9fr;
  align-items: stretch;
  max-width: 1180px;
  margin: 0 auto;
}

.info-grid ul {
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
}

.info-grid li {
  margin-bottom: 0.9rem;
}

.contact-card {
  border-radius: 32px;
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-card h3 {
  margin-top: 0;
}

.contact-item {
  margin-top: 1rem;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.35rem;
}

.contact-item span {
  color: #d0d7ff;
}

.section-center {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.booking-form {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
  text-align: left;
}

.field-group {
  display: grid;
  gap: 0.5rem;
}

.field-group label {
  font-weight: 700;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background: #ffffff;
  font-size: 1rem;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.message-list {
  margin-bottom: 1.5rem;
}

.message {
  padding: 1rem 1.15rem;
  border-radius: 16px;
  border: 1px solid #d1fae5;
  background: #ecfdf5;
  color: #065f46;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 2rem 1.5rem;
  font-size: 0.95rem;
  color: #475569;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.social-links svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.sticky-cta {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 15;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red-core) 0%, var(--red-bright) 50%, var(--red-core) 100%);
  background-size: 200% 200%;
  color: #ffffff;
  font-weight: 700;
  box-shadow:
    0 8px 28px rgba(227, 6, 19, 0.35),
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.sticky-cta:hover {
  background-position: 100% 100%;
  transform: translateY(-2px);
  box-shadow:
    0 12px 36px rgba(227, 6, 19, 0.45),
    0 4px 12px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

@media (max-width: 1024px) {
  .seminar-slide {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 3rem 1.5rem 4rem;
  }

  .section-highlights .highlights-grid,
  .section-testimonials .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .top-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
  }

  .nav-end {
    margin-left: auto;
    gap: 0.65rem;
  }

  .main-nav {
    display: none;
  }

  .brand-logo {
    height: 2.35rem;
    max-width: min(9.5rem, 38vw);
  }

  .social-links a {
    width: 2.05rem;
    height: 2.05rem;
  }

  .social-links svg {
    width: 0.95rem;
    height: 0.95rem;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: 0;
  }

  body.nav-open .sticky-cta {
    opacity: 0;
    pointer-events: none;
  }

  .seminar-cards {
    grid-template-columns: 1fr;
  }

  .hero-slide {
    align-items: flex-end;
  }

  .hero-slide-image {
    object-position: center 28%;
  }
}

@media (max-width: 640px) {
  .hero.hero-slider {
    min-height: 88vh;
    min-height: 88dvh;
  }

  .hero-slider-window {
    min-height: 88vh;
    min-height: 88dvh;
  }

  .hero-copy {
    padding: 2rem 1.15rem 4.5rem;
  }

  .hero-copy h1 {
    font-size: 2.15rem;
  }

  .hero-copy p {
    margin: 1rem 0 1.25rem;
    font-size: 1rem;
  }

  .hero-slide-image {
    object-position: center 22%;
  }

  .hero-slider-controls {
    right: 1rem;
    bottom: 1rem;
  }

  .carousel-button,
  .slider-button {
    width: 2.8rem;
    height: 2.8rem;
  }

  .seminar-cards {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

.seminar-detail {
  display: grid;
  gap: 2rem;
  max-width: 1120px;
  margin: 0 auto;
}

.seminar-detail-meta {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 720px;
}

.seminar-detail-meta p {
  margin: 0;
  color: #374151;
  font-size: 1rem;
}

.seminar-detail-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 72px rgba(15, 23, 42, 0.18);
}

.seminar-detail-image img {
  width: 100%;
  height: auto;
  display: block;
}

.seminar-detail-description {
  display: grid;
  gap: 1rem;
  max-width: 760px;
}

.seminar-detail-description p {
  color: #334155;
  font-size: 1.05rem;
  line-height: 1.8;
}

.input-field,
.textarea-field {
  width: 100%;
  padding: 1rem 1rem;
  border-radius: 18px;
  border: 1px solid #d9d9d9;
  background: #ffffff;
  font: inherit;
}

.textarea-field {
  min-height: 140px;
}

.message.success {
  background: #def7ec;
  color: #0f5132;
}



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

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

@media (max-width: 640px) {
  .section {
    padding: 3rem 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
    text-align: center;
  }
}