/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img  { display: block; max-width: 100%; }
ul   { list-style: none; }
a    { color: inherit; }

/* ============================================================
   DESIGN TOKENS — LIGHT THEME
   ============================================================ */
:root {
  --blue:      #3264ff;
  --blue-dim:  #dce6ff;        /* light blue tint for hovers */
  --yellow:    #ffbe50;
  --ink:       #0a0a0a;        /* primary text */
  --ink-mid:   rgba(10,10,10,0.55);  /* muted text */
  --white:     #ffffff;
  --bg:        #ffffff;        /* page base */
  --bg-alt:    #f4f7fd;        /* alternating sections */
  --card-bg:   #ffffff;        /* card / cell background */
  --card-hover:#eef2ff;        /* card hover */
  --border:    rgba(10,10,10,0.09);
  --border-strong: rgba(10,10,10,0.15);
  /* keep dark values only for footer */
  --footer-bg: #080808;
  --footer-border: rgba(255,255,255,0.08);
  --max:       1280px;
  --pad:       clamp(20px, 4vw, 64px);
}

/* ============================================================
   BASE
   ============================================================ */
body {
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.93;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 36px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--primary:hover {
  background: transparent;
  color: var(--blue);
}

/* ghost button — dark on light sections */
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--white);
}

/* ghost button — white on dark hero */
.hero .btn--ghost {
  color: var(--white);
  border-color: var(--white);
}
.hero .btn--ghost:hover {
  background: var(--white);
  color: var(--ink);
}

.btn--outline-sm {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border: 1.5px solid var(--blue);
  color: var(--blue);
  background: transparent;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.btn--outline-sm:hover {
  background: var(--blue);
  color: var(--white);
}

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

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.sec-header { margin-bottom: 56px; }

.sec-tag {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.sec-tag::before {
  content: '■';
  color: var(--yellow);
  font-size: 8px;
  margin-right: 10px;
  vertical-align: middle;
}

.sec-title {
  font-size: clamp(52px, 7vw, 96px);
  position: relative;
  display: inline-block;
  color: var(--ink);
}
.sec-title::after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 0;
  width: 52px;
  height: 4px;
  background: var(--yellow);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 999;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 16px rgba(10,10,10,0.06);
}

.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
}
.nav__logo span { color: var(--blue); }

.nav__menu {
  display: flex;
  gap: 40px;
}
.nav__menu a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  opacity: 0.45;
  transition: opacity 0.15s, color 0.15s;
}
.nav__menu a:hover,
.nav__menu a.active {
  opacity: 1;
  color: var(--blue);
}

/* ── Hamburger toggle ─────────────────────────────────── */
.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.2s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO — kept dark for visual punch
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--pad) 100px;
  background: #06091a;
  overflow: hidden;
}

/* subtle blueprint grid */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(50, 100, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 100, 255, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* large ghost number */
.hero__bg-num {
  position: absolute;
  right: -0.04em;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(180px, 24vw, 340px);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  max-width: 740px;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(76px, 12vw, 168px);
  line-height: 0.9;
  margin-bottom: 36px;
  color: #ffffff;
}
.hero__title-blue { color: var(--blue); }

.hero__body {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 520px;
  margin-bottom: 48px;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: var(--pad);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.2);
  z-index: 1;
}

/* ============================================================
   TOURS — light background
   ============================================================ */
.tours {
  padding: 120px 0;
  background: var(--bg-alt);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.card {
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  transition: background 0.2s, box-shadow 0.2s;
}
.card:hover {
  background: var(--white);
  box-shadow: 0 8px 40px rgba(50, 100, 255, 0.1);
  z-index: 1;
}

/* card image / gradient placeholder */
.card__img {
  height: 200px;
  position: relative;
  overflow: hidden;
}
/* mountain silhouette overlay */
.card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 50%);
}
/* mountain ridge shape */
.card__img::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55%;
  clip-path: polygon(0 80%, 12% 50%, 28% 65%, 44% 30%, 58% 55%, 72% 22%, 88% 45%, 100% 20%, 100% 100%, 0 100%);
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

.card__img--1 { background: linear-gradient(135deg, #061428 0%, #0a3060 50%, #0d5a7a 100%); }
.card__img--2 { background: linear-gradient(135deg, #0d0828 0%, #280d5a 50%, #3d1a6e 100%); }
.card__img--3 { background: linear-gradient(135deg, #082010 0%, #0a5020 55%, #147a36 100%); }
.card__img--4 { background: linear-gradient(135deg, #1a0608 0%, #500a0a 50%, #3264ff 100%); }
.card__img--5 { background: linear-gradient(135deg, #140828 0%, #301060 55%, #5030a0 100%); }
.card__img--6 { background: linear-gradient(135deg, #060e20 0%, #0a2a50 50%, #1448a0 100%); }

.card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  background: var(--yellow);
  color: var(--ink);
  padding: 4px 10px;
}

.card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__title {
  font-size: 22px;
  letter-spacing: 0;
  margin-bottom: 12px;
  color: var(--ink);
}

.card__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mid);
  flex: 1;
  margin-bottom: 20px;
}

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.card__price {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--blue);
}

/* ============================================================
   SERVICES — white background
   ============================================================ */
.services {
  padding: 120px 0;
  background: var(--bg);
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.svc {
  padding: 40px 32px;
  background: var(--bg);
  position: relative;
  transition: background 0.2s;
}
.svc:hover { background: var(--card-hover); }

/* accent left border on hover */
.svc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--blue);
  transition: height 0.25s ease;
}
.svc:hover::before { height: 100%; }

.svc__num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 52px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(50, 100, 255, 0.22);
  line-height: 1;
  margin-bottom: 14px;
}

.svc__title {
  font-size: 20px;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  color: var(--ink);
}

.svc__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mid);
}

/* ============================================================
   CONTACT — alt background
   ============================================================ */
.contact {
  padding: 120px 0;
  background: var(--bg-alt);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border-strong);
  color: var(--ink);
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  letter-spacing: 0.07em;
  padding: 16px 20px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(50, 100, 255, 0.1);
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(10, 10, 10, 0.3);
  letter-spacing: 0.1em;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
}
.field select {
  color: rgba(10, 10, 10, 0.4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%233264ff'/%3E%3C/svg%3E");
  background-color: var(--white);
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.field select option {
  background: var(--white);
  color: var(--ink);
}
.field textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__form .btn--primary {
  margin-top: 6px;
  padding: 18px;
  font-size: 14px;
  letter-spacing: 0.16em;
}
.contact__form .btn--primary:disabled {
  cursor: default;
}

/* Contact info */
.contact__info { padding-top: 4px; }

.info-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 40px;
}

.info-item dt {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--blue);
  margin-bottom: 6px;
}
.info-item dd {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-mid);
}
.info-item dd a {
  text-decoration: none;
  color: var(--ink-mid);
  transition: color 0.15s;
}
.info-item dd a:hover { color: var(--ink); }

.contact__socials {
  display: flex;
  gap: 10px;
}
.social-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink-mid);
  border: 1.5px solid var(--border-strong);
  padding: 9px 18px;
  transition: border-color 0.15s, color 0.15s;
}
.social-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* ============================================================
   FOOTER — stays dark for grounding contrast
   ============================================================ */
.footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding: 28px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 20px;
  text-decoration: none;
  color: #ffffff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer__logo span { color: var(--blue); }

.footer__copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.28);
  letter-spacing: 0.05em;
}

.footer__nav {
  display: flex;
  gap: 28px;
}
.footer__nav a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.38);
  transition: color 0.15s;
}
.footer__nav a:hover { color: #ffffff; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .cards-grid,
  .svc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__burger { display: flex; }
  .nav__menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg, #ffffff);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 1000;
  }
  .nav__menu.open {
    display: flex;
  }
  .nav__menu.open a {
    font-size: 20px;
    opacity: 0.7;
  }
  .nav__menu.open a:hover,
  .nav__menu.open a.active {
    opacity: 1;
  }

  .hero { padding: 100px var(--pad) 80px; }
  .hero__bg-num { font-size: clamp(120px, 36vw, 200px); }

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

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(60px, 17vw, 90px); }
  .hero__cta   { flex-direction: column; }
  .hero__cta .btn { width: 100%; text-align: center; }

  .tours,
  .services,
  .contact { padding: 80px 0; }

  .svc { padding: 28px 20px; }
}