@import url("https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&display=swap");

:root {
  --ink: #0f172a;
  --text: #334155;
  --paper: #f8fafc;
  --footer: #020617;
  --accent: #0ea5e9;
  --accent-soft: #e0f2fe;
  --gold: #fbbf24;
  --header-height: 70px;
  --hero-wave-height: 170px;
  --footer-wave-height: 180px;
  --font-serif: "Lato", system-ui, sans-serif;
  --font-sans: "Lato", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 110%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.hero {
  position: relative;
  min-height: 110vh;
  min-height: 118svh;
  overflow: hidden;
  padding-top: var(--header-height);
  padding-bottom: var(--hero-wave-height);
}

.slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: 0;
  transform: scale(1.08);
  transition:
    opacity 1.5s ease-in-out,
    transform 8s linear;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.62) 0%, rgba(0, 0, 0, 0.42) 48%, rgba(0, 0, 0, 0.16) 100%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 6, 23, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.site-header::before,
.site-header::after {
  display: none;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  color: #f8fafc;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 0.8rem;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
  background: transparent;
  transform: translateY(-2px);
  outline: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 60%;
}

.hero__center {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 0 1rem 5.3rem;
}

.hero__center h1 {
  margin: 0;
  font-family: var(--font-serif);
  color: #fff;
  font-size: 6.7rem;
  font-weight: 700;
  text-transform: uppercase;
  text-shadow: 0 9px 28px rgba(0, 0, 0, 0.72);
}

.hero-wave {
  position: absolute;
  left: 0;
  bottom: -1px;
  display: block;
  width: 100%;
  height: calc(var(--hero-wave-height) + 2px);
  overflow: visible;
  pointer-events: none;
  z-index: 7;
}

.hero-wave path {
  fill: var(--paper);
}

.content {
  width: min(900px, 92vw);
  margin: 0 auto;
  padding: 3rem 0 3rem;
}

.section-block {
  margin-bottom: 2.35rem;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.section-block h3 {
  margin: 0 0 0.52rem;
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 720;
}

.section-block p {
  max-width: 70ch;
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 1.08rem;
}

.premium-title {
  position: relative;
  margin-bottom: 3rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 2.5rem;
  text-align: center;
}

.premium-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  margin: 0.5rem auto 0;
  background: var(--gold);
}

.route-overview {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.route-step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  border-left: 4px solid transparent;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}

.route-step:hover {
  border-left-color: var(--accent);
  transform: translateX(10px);
}

.step-number {
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  opacity: 0.65;
}

.step-content h4 {
  margin: 0 0 0.2rem;
  color: var(--ink);
}

.step-content p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  padding: 1.35rem;
  border-radius: 8px;
  background: rgba(34, 43, 54, 0.06);
}

.stat-item {
  padding-left: 0.85rem;
  border-left: 3px solid var(--accent);
  color: var(--text);
}

.image-carousel {
  position: relative;
  margin-top: 1.2rem;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: 14px;
  background: #101010;
  box-shadow: 0 20px 50px rgba(16, 16, 16, 0.14);
}

.carousel-track {
  display: block;
}

.carousel-slide {
  position: relative;
  display: none;
  margin: 0;
}

.carousel-slide.is-active {
  display: block;
}

.carousel-slide img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
}

.carousel-slide figcaption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  max-width: min(420px, calc(100% - 2rem));
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  color: #fff;
  background: rgba(16, 16, 16, 0.68);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.95rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 999px;
  color: #fff;
  background: rgba(16, 16, 16, 0.52);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  font: inherit;
  font-size: 1.8rem;
  line-height: 1;
  transform: translateY(-50%);
}

.carousel-btn i,
.feedback-open i {
  pointer-events: none;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  background: rgba(61, 133, 198, 0.82);
}

.carousel-btn--prev {
  left: 1rem;
}

.carousel-btn--next {
  right: 1rem;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: rgba(26, 28, 30, 0.24);
  cursor: pointer;
}

.carousel-dot.is-active {
  width: 28px;
  background: var(--accent);
}

.site-footer {
  position: relative;
  margin-top: calc(var(--footer-wave-height) + 1px);
  padding: 2rem 1rem 2rem;
  text-align: center;
  background: var(--footer);
}

.footer-wave {
  position: absolute;
  top: calc(-1 * var(--footer-wave-height) - 1px);
  left: 0;
  display: block;
  width: 100%;
  height: calc(var(--footer-wave-height) + 2px);
  overflow: visible;
  pointer-events: none;
}

.footer-wave path {
  fill: var(--footer);
}

.feedback-open,
.feedback-submit {
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
}

.feedback-open {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.feedback-open:hover,
.feedback-open:focus-visible,
.feedback-submit:hover,
.feedback-submit:focus-visible,
.modal__close:hover,
.modal__close:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(580px, 94vw);
  border-radius: 8px;
  padding: 1.2rem;
  background: rgba(252, 252, 252, 0.72) !important;
}

.modal__close {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  border: 0;
  background: #1f2530;
  color: #fff;
  min-height: 34px;
  padding: 0 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
}

.modal h2 {
  margin: 0.1rem 0 0.35rem;
}

.modal__text {
  margin: 0 0 0.8rem;
}

#feedback-form {
  display: grid;
  gap: 0.6rem;
}

#feedback-form label {
  font-weight: 650;
}

#feedback-form input,
#feedback-form textarea {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  padding: 0.62rem 0.7rem;
  font: inherit;
  background: rgba(255, 255, 255, 0.9);
}

#feedback-status {
  min-height: 1.15rem;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

#feedback-status.success {
  color: #0f6f29;
}

#feedback-status.error {
  color: #a31515;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 760px) {
  :root {
    --header-height: 62px;
    --hero-wave-height: 120px;
    --footer-wave-height: 135px;
  }

  .hero {
    min-height: 88vh;
    min-height: 88svh;
  }

  .site-header {
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: flex-start;
    padding: 0 0.85rem;
    scrollbar-width: none;
  }

  .site-header::-webkit-scrollbar {
    display: none;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 0.28rem;
    width: max-content;
  }

  .site-nav a {
    font-size: 0.78rem;
    padding: 0.4rem 0.56rem;
  }

  .hero__center h1 {
    font-size: 3.9rem;
  }

  .premium-title {
    font-size: 2rem;
  }

  .route-step {
    gap: 1rem;
    padding: 1.1rem;
  }

  .carousel-btn {
    width: 38px;
    height: 38px;
    font-size: 1.5rem;
  }

  .carousel-btn--prev {
    left: 0.65rem;
  }

  .carousel-btn--next {
    right: 0.65rem;
  }

  .carousel-slide figcaption {
    left: 0.65rem;
    bottom: 0.65rem;
    max-width: calc(100% - 1.3rem);
    border-radius: 10px;
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide,
  .carousel-track {
    animation: none;
    transition: none;
  }
}