:root {
  --himalayan-blue: #0e4d92;
  --mountain-teal: #0f766e;
  --sky-blue: #3b82f6;
  --sunrise-orange: #f97316;
  --golden-saffron: #fbbf24;
  --snow-white: #f8fafc;
  --mist-gray: #e2e8f0;
  --light-stone: #f1f5f9;
  --dark-slate: #1e293b;
  --gray: #64748b;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
  --radius: 8px;
  --container: min(1180px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--snow-white);
  color: var(--dark-slate);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 9999;
  top: 16px;
  left: 16px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  background: var(--white);
  border-radius: var(--radius);
}

.section {
  padding: 96px 0;
  scroll-margin-top: 88px;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.site-header.scrolled {
  background: rgba(248, 250, 252, 0.92);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(18px);
}

.navbar {
  width: var(--container);
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}

.site-header.scrolled .brand {
  color: var(--dark-slate);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sunrise-orange), var(--golden-saffron));
  color: var(--white);
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: "Montserrat", sans-serif;
  font-size: 1.2rem;
  line-height: 1.1;
}

.brand small {
  font-size: 0.74rem;
  opacity: 0.82;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
  font-size: 0.92rem;
  position: relative;
}

.site-header.scrolled .nav-link {
  color: var(--dark-slate);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--golden-saffron);
  transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
  transition: 0.25s ease;
}

.site-header.scrolled .nav-toggle span {
  background: var(--dark-slate);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary,
.btn-nav {
  background: linear-gradient(135deg, var(--sunrise-orange), var(--golden-saffron));
  color: var(--white);
  box-shadow: 0 15px 35px rgba(249, 115, 22, 0.28);
}

.btn-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  align-items: center;
  padding: 140px 0 56px;
  overflow: hidden;
  color: var(--white);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("https://images.unsplash.com/photo-1544735716-392fe2489ffa?auto=format&fit=crop&w=2200&q=85");
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: cinematic 18s ease-in-out infinite alternate;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 26, 48, 0.86) 0%, rgba(14, 77, 146, 0.6) 42%, rgba(15, 23, 42, 0.3) 100%),
    linear-gradient(0deg, rgba(15, 23, 42, 0.64), transparent 42%);
}

@keyframes cinematic {
  from { transform: scale(1.04) translateX(0); }
  to { transform: scale(1.11) translateX(-16px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 0 auto;
  max-width: 880px;
  margin-left: max(16px, calc((100% - 1180px) / 2));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--sunrise-orange);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-family: "Montserrat", "Poppins", sans-serif;
  max-width: 860px;
  font-size: clamp(3.1rem, 9vw, 6.8rem);
}

h2 {
  font-family: "Poppins", sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  color: var(--dark-slate);
}

h3 {
  font-family: "Poppins", sans-serif;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.86);
}

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

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 950px;
}

.trust-grid span {
  min-height: 74px;
  display: flex;
  align-items: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
}

.section-head {
  width: var(--container);
  max-width: 780px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head p:last-child {
  color: var(--gray);
  margin: 18px auto 0;
}

.destination-grid,
.tour-grid,
.benefit-grid,
.blog-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.destination-card,
.tour-card,
.blog-card,
.benefit-card {
  background: var(--white);
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.destination-card:hover,
.tour-card:hover,
.blog-card:hover,
.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.destination-card img,
.tour-card img,
.blog-card img {
  width: 100%;
  height: 245px;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.destination-card:hover img,
.tour-card:hover img,
.blog-card:hover img {
  transform: scale(1.07);
}

.destination-card > div,
.tour-body,
.blog-card > div {
  padding: 24px;
}

.destination-card span,
.tour-meta span,
.blog-card span {
  color: var(--mountain-teal);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.destination-card h3,
.tour-card h3,
.blog-card h3 {
  margin-top: 10px;
  font-size: 1.25rem;
}

.destination-card p,
.tour-card p,
.blog-card p,
.benefit-card p {
  color: var(--gray);
}

.destination-card a,
.tour-bottom a,
.blog-card a {
  color: var(--himalayan-blue);
  font-weight: 900;
}

.about,
.booking {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 52px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-media img {
  width: 100%;
  min-height: 580px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.glass-note {
  position: absolute;
  right: 22px;
  bottom: 22px;
  max-width: 300px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius);
  color: var(--white);
  background: rgba(14, 77, 146, 0.52);
  backdrop-filter: blur(18px);
}

.glass-note strong,
.glass-note span {
  display: block;
}

.about-copy p {
  color: var(--gray);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.stats-grid div {
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(14, 77, 146, 0.08), rgba(15, 118, 110, 0.08));
}

.stats-grid strong {
  display: block;
  color: var(--himalayan-blue);
  font-size: 2rem;
  font-family: "Montserrat", sans-serif;
}

.stats-grid span {
  color: var(--gray);
  font-weight: 800;
}

.tours,
.why,
.gallery,
.faq {
  background: var(--light-stone);
}

.tour-meta,
.tour-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.tour-bottom {
  padding-top: 14px;
  border-top: 1px solid var(--mist-gray);
}

.tour-bottom strong {
  color: var(--sunrise-orange);
  font-size: 1.1rem;
}

.benefit-card {
  padding: 28px;
}

.benefit-card span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--himalayan-blue), var(--mountain-teal));
  font-weight: 900;
  margin-bottom: 22px;
}

.experience-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 18px;
}

.experience-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  background-image: linear-gradient(0deg, rgba(15, 23, 42, 0.78), rgba(15, 23, 42, 0.1)), var(--bg);
  background-size: cover;
  background-position: center;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.experience-card.large {
  grid-column: span 2;
  grid-row: span 2;
}

.experience-card:hover {
  transform: translateY(-6px);
  filter: saturate(1.08);
}

.experience-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.86);
}

.reviews {
  background: linear-gradient(135deg, var(--himalayan-blue), #07365f 55%, var(--mountain-teal));
  color: var(--white);
}

.testimonial-shell {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}

.testimonial-shell h2 {
  color: var(--white);
}

.testimonial-shell p {
  color: rgba(255, 255, 255, 0.78);
}

.testimonial-card {
  position: relative;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.testimonial-card img {
  width: 78px;
  height: 78px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.7);
}

.rating {
  margin: 18px 0 8px;
  color: var(--golden-saffron);
}

blockquote {
  margin: 0 0 20px;
  font-size: 1.4rem;
  line-height: 1.4;
  font-family: "Poppins", sans-serif;
}

.slider-controls {
  position: absolute;
  right: 24px;
  bottom: 24px;
  display: flex;
  gap: 10px;
}

.slider-controls button,
.back-to-top,
.lightbox button {
  border: 0;
  cursor: pointer;
  border-radius: 50%;
}

.slider-controls button {
  width: 42px;
  height: 42px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.18);
  font-size: 1.6rem;
}

.masonry {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: 16px;
}

.gallery-item {
  border: 0;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: zoom-in;
  background: var(--mist-gray);
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.88);
}

.blog-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.blog-card img {
  height: 185px;
}

.booking {
  align-items: start;
}

.booking-copy {
  position: sticky;
  top: 120px;
}

.booking-copy p {
  color: var(--gray);
  max-width: 520px;
}

.booking-form {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--dark-slate);
  font-weight: 800;
  font-size: 0.92rem;
}

label.wide {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--mist-gray);
  border-radius: var(--radius);
  background: var(--snow-white);
  padding: 13px 14px;
  color: var(--dark-slate);
  outline: none;
  transition: border 0.25s ease, box-shadow 0.25s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--sky-blue);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.field-error {
  border-color: #ef4444;
}

.form-status {
  min-height: 24px;
  margin: 14px 0;
  font-weight: 800;
}

.form-status.success {
  color: var(--mountain-teal);
}

.form-status.error {
  color: #dc2626;
}

.contact-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
}

.contact-cards {
  display: grid;
  gap: 14px;
}

.contact-cards article {
  padding: 22px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--mist-gray);
}

.contact-cards span {
  display: block;
  color: var(--sunrise-orange);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.contact-cards p {
  margin-bottom: 0;
  color: var(--gray);
}

.socials {
  display: flex;
  gap: 10px;
}

.socials a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--himalayan-blue);
  font-weight: 900;
}

.map-placeholder {
  min-height: 520px;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: var(--radius);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(14, 77, 146, 0.9), rgba(15, 118, 110, 0.78)),
    url("https://images.unsplash.com/photo-1524661135-423995f22d0b?auto=format&fit=crop&w=1200&q=80");
  background-size: cover;
  background-position: center;
}

.map-placeholder span {
  color: var(--golden-saffron);
  font-weight: 900;
  text-transform: uppercase;
}

.map-placeholder strong {
  font-size: clamp(2rem, 5vw, 4rem);
  font-family: "Poppins", sans-serif;
}

.faq-list {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--mist-gray);
}

.faq-item button {
  width: 100%;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 0;
  padding: 0 22px;
  background: transparent;
  color: var(--dark-slate);
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.faq-item button span {
  font-size: 1.5rem;
  color: var(--sunrise-orange);
}

.faq-item p {
  max-height: 0;
  margin: 0;
  padding: 0 22px;
  color: var(--gray);
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active p {
  max-height: 180px;
  padding: 0 22px 22px;
}

.footer {
  padding: 72px 0 24px;
  background: #0f172a;
  color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 34px;
}

.footer .brand {
  color: var(--white);
}

.footer h3 {
  color: var(--white);
  margin-bottom: 16px;
}

.footer a {
  display: block;
  margin: 8px 0;
}

.newsletter {
  display: flex;
  gap: 8px;
}

.newsletter input {
  min-width: 0;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.12);
}

.newsletter button {
  width: 48px;
  border: 0;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--sunrise-orange);
  cursor: pointer;
}

.footer-bottom {
  width: var(--container);
  margin: 44px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-bottom div {
  display: flex;
  gap: 18px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.92);
}

.lightbox.active {
  display: grid;
}

.lightbox img {
  max-height: 86vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lightbox button {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
  font-size: 2rem;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: var(--himalayan-blue);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: 0.25s ease;
}

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

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .nav-menu {
    gap: 14px;
  }

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

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

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

@media (max-width: 860px) {
  .section {
    padding: 72px 0;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(360px, 86vw);
    height: 100vh;
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    gap: 0;
    padding: 98px 24px 24px;
    background: rgba(248, 250, 252, 0.98);
    box-shadow: -20px 0 70px rgba(15, 23, 42, 0.18);
    transform: translateX(105%);
    transition: transform 0.3s ease;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link,
  .site-header.scrolled .nav-link {
    color: var(--dark-slate);
    padding: 14px 0;
    border-bottom: 1px solid var(--mist-gray);
  }

  .nav-link::after {
    display: none;
  }

  .btn-nav {
    margin-top: 18px;
  }

  .hero {
    min-height: 94vh;
  }

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

  .about,
  .booking,
  .testimonial-shell,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-media img {
    min-height: 420px;
  }

  .booking-copy {
    position: static;
  }

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

@media (max-width: 640px) {
  :root {
    --container: min(100% - 24px, 1180px);
  }

  .navbar {
    min-height: 72px;
  }

  .hero {
    padding-top: 120px;
  }

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

  .trust-grid,
  .destination-grid,
  .tour-grid,
  .benefit-grid,
  .blog-grid,
  .stats-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .experience-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .experience-card.large {
    grid-column: auto;
    grid-row: auto;
  }

  .masonry {
    grid-auto-rows: 160px;
  }

  .gallery-item.wide {
    grid-column: span 2;
  }

  .booking-form {
    padding: 20px;
  }

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

  blockquote {
    font-size: 1.15rem;
  }

  .slider-controls {
    position: static;
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}