/* ============================================================
   ProFlightsBooking — editorial "boarding pass" aesthetic
   Palette: deep navy canvas, warm orange accent, bone text
   ============================================================ */

:root {
  --navy-0: #0B1622;
  --navy-1: #101F30;
  --navy-2: #16283D;
  --navy-3: #1E334C;
  --line: rgba(198, 212, 228, 0.14);
  --line-strong: rgba(198, 212, 212, 0.26);
  --bone: #EDF1F4;
  --ink-dim: #9FB1C1;
  --ink-faint: #6E8296;
  --orange: #D4522B;
  --orange-bright: #F26B3A;
  --tan: #C9A227;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Sora", "Avenir Next", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy-0);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 1.015rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--orange); color: #fff; }

.mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.09em;
}

.wrap { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.wrap-narrow { max-width: 780px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }

/* --- grain overlay --- */
.grain {
  position: fixed; inset: 0; z-index: 40; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* --- top bar --- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--navy-0);
  position: relative; z-index: 10;
}
.topbar-row { display: flex; justify-content: space-between; align-items: center; padding: 0.55rem 0; gap: 1rem; }
.topbar-mid { color: var(--ink-faint); }
.topbar-tel { color: var(--orange-bright); text-decoration: none; }
.topbar-tel:hover { color: var(--bone); }

/* --- header --- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 22, 34, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.head-row { display: flex; align-items: center; justify-content: space-between; padding: 0.95rem 0; gap: 2rem; }
.brand {
  font-family: var(--serif); font-size: 1.42rem; font-weight: 700;
  color: var(--bone); text-decoration: none; letter-spacing: -0.01em; white-space: nowrap;
}
.brand span { color: var(--orange-bright); font-style: italic; }
.nav { display: flex; align-items: center; gap: 1.7rem; }
.nav > a { color: var(--ink-dim); text-decoration: none; font-size: 0.94rem; font-weight: 500; transition: color 0.2s; }
.nav > a:hover { color: var(--bone); }
.nav > a:not(.btn):hover { color: var(--orange-bright); }

/* --- buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.62rem 1.15rem; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  border: 1px solid transparent; transition: transform 0.15s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn svg { flex: none; }
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--orange); color: #fff; box-shadow: 0 10px 26px -12px rgba(212, 82, 43, 0.65); }
.btn-accent:hover { background: var(--orange-bright); box-shadow: 0 14px 30px -12px rgba(242, 107, 58, 0.75); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-strong); color: var(--bone); }
.btn-ghost:hover { border-color: var(--orange-bright); color: var(--orange-bright); }

.btn-lg { padding: 0.85rem 1.5rem; font-size: 1.02rem; }

/* --- hero --- */
.hero { position: relative; padding: clamp(4rem, 9vh, 6.5rem) 0 4.5rem; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(52rem 30rem at 78% 8%, rgba(212, 82, 43, 0.16), transparent 62%),
    radial-gradient(44rem 26rem at 8% 88%, rgba(30, 51, 76, 0.7), transparent 65%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.kicker {
  color: var(--orange-bright); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.16em; margin-bottom: 1.1rem;
}
.kicker-light { color: var(--tan); }
.hero h1 { font-size: clamp(2.4rem, 4.6vw, 3.7rem); margin-bottom: 1.2rem; }
.lede { color: var(--ink-dim); font-size: 1.13rem; max-width: 34rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 1.9rem 0 1.1rem; }
.hero-note { color: var(--ink-faint); }

/* --- boarding pass --- */
.hero-pass { position: relative; min-height: 400px; display: grid; place-items: center; }
.pass-back {
  position: absolute; width: min(420px, 92%); height: 250px;
  background: linear-gradient(135deg, rgba(212, 82, 43, 0.2), rgba(201, 162, 39, 0.14));
  border-radius: 18px; transform: rotate(6deg) translate(1.6rem, 0.4rem);
}
.pass {
  width: min(420px, 92%); background: var(--bone); color: var(--navy-1);
  border-radius: 18px; padding: 1.35rem 1.5rem 1.1rem; position: relative;
  box-shadow: 0 34px 70px -28px rgba(0, 0, 0, 0.75);
}
.pass-top { display: flex; justify-content: space-between; color: var(--ink-faint); padding-bottom: 0.9rem; border-bottom: 1px dashed var(--line-strong); }
.pass-route { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0.6rem; padding: 1.2rem 0 0.9rem; }
.pass-ap { display: flex; flex-direction: column; }
.pass-ap-r { text-align: right; align-items: flex-end; }
.pass-code { font-size: 1.7rem; letter-spacing: 0.04em; color: var(--navy-1); }
.pass-city { font-size: 0.82rem; color: var(--ink-dim); }
.pass-plane { color: var(--orange); transform: rotate(45deg); }
.pass-fields { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; padding: 0.9rem 0 1.05rem; border-top: 1px dashed var(--line-strong); }
.pass-fields > div { display: flex; flex-direction: column; }
.f-label { font-size: 0.62rem; color: var(--ink-faint); letter-spacing: 0.14em; }
.f-val { font-size: 0.95rem; font-weight: 600; color: var(--navy-1); }
.pass-tear { border-top: 1px dashed var(--line-strong); position: relative; }
.pass-tear::before, .pass-tear::after {
  content: ""; position: absolute; top: -0.5rem; width: 1rem; height: 1rem;
  border-radius: 50%; background: var(--navy-0); border: 1px dashed var(--line-strong);
}
.pass-tear::before { left: -1.85rem; }
.pass-tear::after { right: -1.85rem; }
.pass-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-top: 0.85rem; }
.barcode {
  flex: 1; max-width: 55%; height: 34px;
  background: repeating-linear-gradient(90deg, var(--navy-1) 0 2px, transparent 2px 5px, var(--navy-1) 5px 6px, transparent 6px 10px);
  border-radius: 2px; opacity: 0.85;
}
.pass-serial { color: var(--ink-faint); font-size: 0.68rem; }

/* --- ticker --- */
.ticker {
  border-block: 1px solid var(--line);
  overflow: hidden; padding: 0.7rem 0; background: var(--navy-1);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.ticker-track { display: inline-block; white-space: nowrap; animation: tick 32s linear infinite; }
.ticker-track span { color: var(--ink-dim); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em; }
@keyframes tick { to { transform: translateX(-50%); } }

/* --- sections --- */
.section { padding: clamp(4rem, 9vh, 6.5rem) 0; }
.section-tint { background: var(--navy-1); border-block: 1px solid var(--line); }
.sec-head { max-width: 46rem; margin-bottom: 3rem; }
.sec-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.sec-sub { color: var(--ink-dim); margin-top: 0.9rem; }

/* --- why cards --- */
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.why-card {
  background: var(--navy-2); border: 1px solid var(--line);
  border-radius: 16px; padding: 1.9rem 1.7rem;
  transition: transform 0.25s, border-color 0.25s;
}
.why-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.why-num { display: block; color: var(--orange-bright); margin-bottom: 1.2rem; font-size: 0.85rem; }
.why-card h3 { font-size: 1.28rem; margin-bottom: 0.7rem; }
.why-card p { color: var(--ink-dim); font-size: 0.97rem; }
.why-wide { grid-column: 1 / -1; background: linear-gradient(120deg, var(--navy-3), var(--navy-2)); display: block; }
.why-inner h3 { font-size: 1.15rem; margin-bottom: 0.55rem; color: var(--bone); }
.why-inner p { max-width: 62rem; }

/* --- steps --- */
.steps { list-style: none; display: grid; gap: 1.2rem; max-width: 56rem; }
.step {
  display: flex; gap: 1.6rem; align-items: flex-start;
  background: var(--navy-2); border: 1px solid var(--line);
  border-radius: 16px; padding: 1.6rem 1.8rem;
  transition: border-color 0.25s;
}
.step:hover { border-color: var(--orange); }
.step-big {
  font-family: var(--serif); font-size: 2.6rem; font-weight: 700; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px var(--orange-bright);
}
.step h3 { font-size: 1.25rem; margin-bottom: 0.45rem; }
.step p { color: var(--ink-dim); }

/* --- route tags --- */
.tag-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.tag {
  background: var(--navy-2); border: 1px solid var(--line); border-radius: 16px;
  padding: 1.6rem 1.6rem 1.5rem; transition: transform 0.25s, border-color 0.25s;
}
.tag:hover { transform: translateY(-4px); border-color: var(--orange); }
.tag-code { color: var(--tan); font-size: 0.78rem; letter-spacing: 0.1em; display: block; margin-bottom: 0.8rem; }
.tag h3 { font-size: 1.16rem; margin-bottom: 0.5rem; }
.tag p { color: var(--ink-dim); font-size: 0.94rem; }

/* --- FAQ --- */
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}
.faq-list details:last-child { border-bottom: none; }
.faq-list summary {
  cursor: pointer; font-family: var(--serif); font-size: 1.14rem; font-weight: 600;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  transition: color 0.2s;
}
.faq-list summary:hover { color: var(--orange-bright); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-family: var(--mono); color: var(--orange-bright); font-size: 1.2rem; transition: transform 0.25s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--ink-dim); margin-top: 0.75rem; max-width: 60rem; }

/* --- CTA band --- */
.cta-band {
  background: linear-gradient(120deg, #8A2F16, var(--orange) 55%, #E0744A);
  padding: 4.8rem 0; text-align: center;
  border-block: 1px solid rgba(0, 0, 0, 0.25);
}
.cta-inner h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); color: #fff; margin-bottom: 1.7rem; }
.cta-inner .kicker-light { margin-bottom: 1rem; }
.cta-band .btn-accent { background: var(--navy-0); color: var(--bone); box-shadow: 0 16px 34px -14px rgba(0, 0, 0, 0.6); }
.cta-band .btn-accent:hover { background: var(--navy-1); }

/* --- footer --- */
.footer { background: var(--navy-0); border-top: 1px solid var(--line); padding: 3.2rem 0 2.4rem; }
.foot-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.4rem; padding-bottom: 1.9rem; border-bottom: 1px solid var(--line); }
.brand-foot { font-size: 1.25rem; }
.foot-nav { display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; }
.foot-nav a { color: var(--ink-dim); text-decoration: none; font-size: 0.92rem; transition: color 0.2s; }
.foot-nav a:hover { color: var(--orange-bright); }
.foot-legal { padding-top: 1.9rem; }
.foot-legal p { color: var(--ink-faint); font-size: 0.85rem; max-width: 52rem; }
.foot-legal .mono { margin-top: 1rem; color: var(--ink-faint); }

/* --- reveal animation --- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* --- responsive --- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-pass { margin-top: 1.5rem; }
  .why-grid, .tag-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 780px) {
  .menu-btn { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 1.05rem;
    background: var(--navy-1); border-bottom: 1px solid var(--line);
    padding: 1.3rem clamp(1.5rem, 5vw, 3rem) 1.6rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .why-grid, .tag-grid { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 0.7rem; }
  .pass-fields { grid-template-columns: repeat(2, 1fr); }
  .pass-tear::before, .pass-tear::after { display: none; }
  .foot-row { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .topbar-mid { display: none; }
  .pass { padding: 1.1rem 1.2rem 1rem; }
  .pass-code { font-size: 1.4rem; }
  .pass-fields { grid-template-columns: repeat(2, 1fr); }
}

/* --- menu button --- */
.menu-btn {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--bone); transition: transform 0.25s, opacity 0.25s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- focus visibility --- */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--orange-bright); outline-offset: 3px; border-radius: 4px;
}