/* ====== BHUTAN BLUEPRINT — CINEMATIC DECK ====== */

/* FIXED BACKGROUND VIDEO */
.bp-bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.28;
  pointer-events: none;
}

.bp-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, .55);
  z-index: -1;
  pointer-events: none;
}

/* BRAND FONTS */
@font-face {
  font-family: "Migate";
  src: url("fnt/migate_0gRZdteIX6.otf") format("opentype");
  font-weight: 400;
}

@font-face {
  font-family: "Migate";
  src: url("fnt/migate_bold_oxSiX9VNCC.otf") format("opentype");
  font-weight: 700;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  overflow-x: hidden;
}

body {
  background: #0a0a0a;
  color: #fff;
  font-family: "Mingzat", serif;
  overflow-x: hidden;
}

/* ====== SLIDE SYSTEM ====== */
.bp-slide {
  min-height: 100vh;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
  overflow: hidden;
  padding: 60px 24px;
}

/* Alternating subtle bg tints — semi-transparent to let video through */
.bp-slide:nth-child(even) {
  background: rgba(13, 11, 9, .45);
}

.bp-slide:nth-child(odd) {
  background: transparent;
}

/* ====== SLIDE INNER ====== */
.bp-inner {
  max-width: 900px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 2;
}

/* ====== TYPOGRAPHY ====== */
.bp-kicker {
  font-family: "Migate", serif;
  font-size: 11px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: #f2a45c;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}

.bp-title {
  font-family: "Migate", serif;
  font-size: clamp(42px, 8vw, 80px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 2px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s ease .1s, transform .9s ease .1s;
}

.bp-subtitle {
  font-family: "Migate", serif;
  font-size: clamp(14px, 2.5vw, 18px);
  letter-spacing: 5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .2s, transform .8s ease .2s;
}

.bp-body {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .7);
  max-width: 640px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .25s, transform .8s ease .25s;
}

/* ====== BULLET LIST ====== */
.bp-bullets {
  list-style: none;
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .3s, transform .8s ease .3s;
}

.bp-bullets li {
  position: relative;
  padding: 14px 0 14px 28px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .75);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.bp-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 1px;
  background: #f2a45c;
}

/* ====== REVEAL STATE ====== */
.bp-slide.is-visible .bp-kicker,
.bp-slide.is-visible .bp-title,
.bp-slide.is-visible .bp-subtitle,
.bp-slide.is-visible .bp-body,
.bp-slide.is-visible .bp-bullets,
.bp-slide.is-visible .bp-grid,
.bp-slide.is-visible .bp-table-wrap,
.bp-slide.is-visible .bp-cta-row {
  opacity: 1;
  transform: translateY(0);
}

/* ====== DECORATIVE LINE ====== */
.bp-line {
  width: 48px;
  height: 1px;
  background: #f2a45c;
  margin: 24px auto;
  opacity: 0;
  transition: opacity .8s ease .15s;
}

.bp-slide.is-visible .bp-line {
  opacity: 1;
}

/* ====== HERO SLIDE (PAGE 1) ====== */
.bp-hero {
  background: #000;
}

.bp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(195, 95, 18, .12) 0%, transparent 70%);
}

.bp-hero .bp-title {
  font-size: clamp(52px, 10vw, 100px);
  letter-spacing: 4px;
}

.bp-hero .bp-subtitle {
  color: #f2a45c;
  letter-spacing: 8px;
  font-size: clamp(12px, 2vw, 16px);
}

.bp-page-num {
  font-family: "Migate", serif;
  font-size: 11px;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, .2);
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}

/* ====== GRID CARDS (Itinerary slides) ====== */
.bp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 700px;
  margin: 32px auto 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .35s, transform .8s ease .35s;
}

.bp-card {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .06);
  padding: 28px 20px;
  text-align: left;
  transition: border-color .3s ease, background .3s ease;
}

.bp-card:hover {
  border-color: rgba(242, 164, 92, .3);
  background: rgba(242, 164, 92, .04);
}

.bp-card-title {
  font-family: "Migate", serif;
  font-size: 18px;
  font-weight: 700;
  color: #f2a45c;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.bp-card-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .6);
}

/* ====== BUDGET TABLE ====== */
.bp-table-wrap {
  max-width: 520px;
  margin: 32px auto 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .3s, transform .8s ease .3s;
}

.bp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.bp-table th {
  font-family: "Migate", serif;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #f2a45c;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(242, 164, 92, .2);
  font-weight: 400;
}

.bp-table td {
  padding: 14px 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.bp-table tbody tr:hover td {
  color: #fff;
}

.bp-table-note {
  font-size: 12px;
  color: rgba(255, 255, 255, .35);
  margin-top: 12px;
  font-style: italic;
  text-align: center;
}

/* ====== CTA ROW ====== */
.bp-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease .4s, transform .8s ease .4s;
}

.bp-cta {
  display: inline-block;
  padding: 14px 36px;
  background: #f2a45c;
  color: #000;
  text-decoration: none;
  font-family: "Mingzat", serif;
  font-size: 13px;
  letter-spacing: 2px;
  transition: background .3s ease, transform .2s ease;
}

.bp-cta:hover {
  background: #e6944e;
  transform: translateY(-2px);
}

.bp-cta--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
}

.bp-cta--ghost:hover {
  border-color: #f2a45c;
  color: #f2a45c;
  background: transparent;
}

/* ====== FINAL SLIDE ====== */
.bp-final {
  background: #000;
}

.bp-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(195, 95, 18, .1) 0%, transparent 65%);
}

.bp-final .bp-title {
  color: #f2a45c;
}

.bp-tashi {
  font-family: "Migate", serif;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: #f2a45c;
  margin-top: 24px;
  letter-spacing: 3px;
  opacity: 0;
  transform: scale(.95);
  transition: opacity 1s ease .5s, transform 1s ease .5s;
}

.bp-slide.is-visible .bp-tashi {
  opacity: 1;
  transform: scale(1);
}

/* ====== PROGRESS BAR ====== */
.bp-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: #f2a45c;
  z-index: 10000;
  width: 0;
  transition: width .15s linear;
}

/* ====== SCROLL INDICATOR ====== */
.bp-scroll-hint {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: bp-hint-in 1s ease 1.5s forwards;
}

@keyframes bp-hint-in {
  to {
    opacity: .4;
  }
}

.bp-scroll-hint span {
  font-family: "Migate", serif;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .4);
}

.bp-scroll-arrow {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, .2);
  position: relative;
  animation: bp-arrow 2s ease-in-out infinite;
}

@keyframes bp-arrow {

  0%,
  100% {
    transform: translateY(0);
    opacity: .3;
  }

  50% {
    transform: translateY(8px);
    opacity: .7;
  }
}

/* ====== RESPONSIVE ====== */
@media(max-width:640px) {
  .bp-slide {
    padding: 48px 20px;
  }

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

  .bp-table-wrap {
    margin-left: -8px;
    margin-right: -8px;
  }

  .bp-cta-row {
    flex-direction: column;
    align-items: center;
  }

  .bp-bullets li {
    font-size: 14px;
  }
}

/* ====== NAV REUSE ====== */
.hamburger-btn {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10001;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: rgba(235, 230, 220, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
  transition: transform .2s ease, background .2s ease;
}

.hamburger-btn:hover {
  transform: scale(1.06);
}

.ham-line {
  display: block;
  width: 14px;
  height: 2px;
  background: #C35F12;
  border-radius: 2px;
  transition: transform .35s ease, opacity .25s ease, width .3s ease;
  transform-origin: center;
}

.ham-line--mid {
  width: 10px;
}

.hamburger-btn.is-open {
  background: rgba(235, 230, 220, .97);
}

.hamburger-btn.is-open .ham-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
  width: 22px;
}

.hamburger-btn.is-open .ham-line--mid {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger-btn.is-open .ham-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
  width: 22px;
}

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  padding: 0 40px 0 48px;
  padding-bottom: 250px;
  pointer-events: none;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity .4s ease, transform .4s ease;
}

.site-nav.open {
  pointer-events: auto;
  opacity: 1;
  transform: translateX(0);
}

.site-nav ul {
  list-style: none;
  text-align: right;
  border-right: 1px solid rgba(255, 255, 255, .55);
  padding-right: 28px;
}

.site-nav ul li {
  margin: 18px 0;
}

.site-nav ul li a {
  font-family: "Migate", serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .08em;
  color: #fff;
  text-decoration: none;
  opacity: .85;
  transition: opacity .2s ease, letter-spacing .2s ease;
  white-space: nowrap;
}

.site-nav ul li a:hover {
  opacity: 1;
  letter-spacing: .12em;
  color: #f2a45c;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  cursor: default;
}

.nav-backdrop.visible {
  display: block;
}

body.nav-open {
  overflow: hidden;
}

/* FOOTER */
.bp-footer {
  padding: 24px;
  text-align: center;
  font-size: 11px;
  opacity: .4;
  border-top: 1px solid rgba(255, 255, 255, .05);
}

@media(max-width:640px) {
  .hamburger-btn {
    top: 16px;
    right: 16px;
  }

  .site-nav {
    padding: 0 40px 0 32px;
    background: rgba(15, 8, 2, .75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    width: 80vw;
    max-width: 280px;
    justify-content: flex-start;
    padding-top: 100px;
    align-items: flex-start;
    height: 100%;
  }

  .site-nav ul {
    text-align: left;
    border-right: none;
    border-left: 1px solid rgba(255, 255, 255, .35);
    padding-right: 0;
    padding-left: 20px;
  }

  .site-nav ul li {
    margin: 14px 0;
  }

  .site-nav ul li a {
    font-size: 18px;
  }
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-snap-type: none;
    scroll-behavior: auto;
  }

  .bp-kicker,
  .bp-title,
  .bp-subtitle,
  .bp-body,
  .bp-bullets,
  .bp-grid,
  .bp-table-wrap,
  .bp-cta-row,
  .bp-tashi,
  .bp-line {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .bp-scroll-hint {
    animation: none;
    opacity: .4;
  }
}