/* ============================================================
   Radha Sri Travels — single page site
   Palette drawn from Mayapur: pre-dawn indigo, marigold garland,
   tulsi green, temple brick, warm paper.
   ============================================================ */

:root {
  --paper:        #F5EFE2;
  --surface:      #FFFDF7;
  --surface-alt:  #F0E8D6;
  --ink:          #20262E;
  --muted:        #6E6A5B;
  --line:         #E0D7C2;
  --indigo:       #223350;
  --indigo-deep:  #1B2B47;
  --on-indigo:    #F4EEE0;
  --marigold:     #D6900F;
  --marigold-ink: #895A08;
  --tulsi:        #47795A;
  --brick:        #A94D2B;
  --focus:        #223350;
  --shadow-sm:    0 1px 2px rgba(20, 30, 45, .06);
  --shadow-md:    0 1px 2px rgba(20,30,45,.05), 0 14px 34px -16px rgba(20,30,45,.22);
  --radius:       12px;
  --container:    1080px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:        #14171C;
    --surface:      #1C2028;
    --surface-alt:  #191D24;
    --ink:          #ECE7DA;
    --muted:        #9C9684;
    --line:         #2E333D;
    --indigo:       #223350;
    --indigo-deep:  #1B2B47;
    --on-indigo:    #F4EEE0;
    --marigold:     #E6A63C;
    --marigold-ink: #E6A63C;
    --tulsi:        #6AA37E;
    --brick:        #CC6B45;
    --focus:        #9FB4DA;
    --shadow-sm:    0 1px 2px rgba(0,0,0,.4);
    --shadow-md:    0 1px 2px rgba(0,0,0,.4), 0 18px 40px -20px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"] {
  --paper:        #14171C;
  --surface:      #1C2028;
  --surface-alt:  #191D24;
  --ink:          #ECE7DA;
  --muted:        #9C9684;
  --line:         #2E333D;
  --indigo:       #223350;
  --indigo-deep:  #1B2B47;
  --on-indigo:    #F4EEE0;
  --marigold:     #E6A63C;
  --marigold-ink: #E6A63C;
  --tulsi:        #6AA37E;
  --brick:        #CC6B45;
  --focus:        #9FB4DA;
  --shadow-sm:    0 1px 2px rgba(0,0,0,.4);
  --shadow-md:    0 1px 2px rgba(0,0,0,.4), 0 18px 40px -20px rgba(0,0,0,.7);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img, svg, iframe { max-width: 100%; }
img { height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 {
  font-family: "Marcellus", Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.16;
  text-wrap: balance;
  color: var(--ink);
  margin: 0;
}
p { margin: 0; }

.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 {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--indigo); color: var(--on-indigo);
  padding: 10px 16px; border-radius: 8px; text-decoration: none;
  transition: top .16s ease;
}
.skip-link:focus { top: 12px; }

:where(a, button, summary, input, select, iframe):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 40px);
}

/* ---------- buttons ---------- */
.btn {
  --btn-bg: var(--indigo);
  --btn-fg: var(--on-indigo);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 0;
  border-radius: 9px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, filter .12s ease;
}
.btn:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }
.btn-ic { width: 18px; height: 18px; flex-shrink: 0; }
.btn-call { --btn-bg: #D9930F; --btn-fg: #241A05; }
.btn-wa   { --btn-bg: #47795A; --btn-fg: #FFFFFF; }

.eyebrow {
  font-size: .76rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--marigold-ink);
  margin-bottom: .7rem;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding-block: 8px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.brand-mark { width: 26px; height: 26px; }
.brand-text {
  font-family: "Marcellus", serif;
  font-size: 1.2rem;
  letter-spacing: .01em;
  color: var(--ink);
}

.nav { margin-left: auto; }
.nav-menu {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  text-decoration: none;
  color: var(--muted);
  font-size: .95rem;
  padding: 6px 2px;
  transition: color .12s ease;
}
.nav-menu a:hover { color: var(--ink); }
.nav-toggle { display: none; }

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.phone-link {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .9rem;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.header-cta .btn { padding: 9px 15px; font-size: .9rem; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(120% 90% at 85% 0%, #2C4066 0%, transparent 60%),
    linear-gradient(165deg, #223350 0%, #22314D 55%, #1B2B47 100%);
  color: var(--on-indigo);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 24px;
  padding-block: clamp(52px, 9vw, 96px);
}
.hero-copy { position: relative; z-index: 2; max-width: 34rem; }
.hero .kicker {
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 600;
  color: #E7B75A;
  margin-bottom: .9rem;
}
.hero h1 {
  color: var(--on-indigo);
  font-size: clamp(2.1rem, 5.4vw, 3.4rem);
  letter-spacing: .005em;
}
.hero-lead {
  margin-top: 1rem;
  font-size: 1.075rem;
  color: #D6DAE4;
  max-width: 40ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.6rem;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 1.5rem;
  font-size: .86rem;
  color: #C6CCD9;
}
.trust-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #E7B75A; flex-shrink: 0;
}
.hero-scene {
  position: absolute;
  right: clamp(-20px, -1vw, 0px);
  bottom: 0;
  width: min(42%, 360px);
  height: auto;
  z-index: 1;
  opacity: .92;
}

/* ---------- booking ---------- */
.booking { background: var(--paper); }
.booking-card {
  position: relative;
  margin-top: clamp(-48px, -5vw, -36px);
  margin-bottom: clamp(8px, 2vw, 20px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: clamp(20px, 3.5vw, 32px);
}
.booking-title { font-size: clamp(1.35rem, 2.6vw, 1.7rem); }
.booking-sub {
  margin-top: .4rem;
  color: var(--muted);
  font-size: .95rem;
}
.booking-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 1.3rem;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-wide { grid-column: span 2; }
.field-label {
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.field select,
.field input {
  font: inherit;
  font-size: .95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  min-height: 44px;
}
.field select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236E6A5B' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}
.booking-go {
  margin-top: 1.4rem;
  width: 100%;
  padding-block: 14px;
  font-size: 1rem;
}
.booking-note {
  margin-top: .9rem;
  font-size: .88rem;
  color: var(--muted);
  text-align: center;
}
.booking-note a { color: var(--ink); }

/* ---------- generic sections ---------- */
.section { padding-block: clamp(52px, 8vw, 96px); }
.section-alt { background: var(--surface-alt); }
.section > .container > .eyebrow { margin-bottom: .6rem; }
.section h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  margin-bottom: 1.8rem;
}

/* ---------- card grid (services) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
}
.card h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.card p { color: var(--muted); font-size: .96rem; }

/* ---------- fleet ---------- */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.vehicle {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.vehicle img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--line);
}
.vehicle-body { padding: 16px 16px 18px; }
.vehicle-type {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--tulsi);
}
.vehicle h3 { font-size: 1.08rem; margin: 4px 0 4px; }
.vehicle-spec { font-size: .88rem; color: var(--muted); }

/* ---------- fares table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.fare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: .98rem;
  min-width: 460px;
}
.fare-table th,
.fare-table td { text-align: left; padding: 14px 18px; }
.fare-table thead th {
  font-family: "Instrument Sans", sans-serif;
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.fare-table tbody th {
  font-family: "Instrument Sans", sans-serif;
  font-weight: 500;
  color: var(--ink);
}
.fare-table tbody tr + tr th,
.fare-table tbody tr + tr td { border-top: 1px solid var(--line); }
.fare-table .num {
  text-align: right;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}
.fare-note {
  margin-top: 1rem;
  font-size: .88rem;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- why list ---------- */
.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 40px;
}
.why-list li {
  padding-left: 30px;
  position: relative;
}
.why-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--tulsi);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%23fff' d='M8.2 13.4 5 10.2l1.4-1.4 1.8 1.8 5-5L15.6 6z'/%3E%3C/svg%3E") center / 130% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%23fff' d='M8.2 13.4 5 10.2l1.4-1.4 1.8 1.8 5-5L15.6 6z'/%3E%3C/svg%3E") center / 130% no-repeat;
}
.why-list h3 { font-size: 1.08rem; margin-bottom: .3rem; }
.why-list p { color: var(--muted); font-size: .95rem; }

/* ---------- about ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}
.about-photo {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 14px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
}
.about-copy p + p { margin-top: 1rem; }
.about-copy p { color: var(--muted); }
.about-copy strong { color: var(--ink); font-weight: 600; }

/* ---------- reviews ---------- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.review {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--marigold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 22px;
}
.review blockquote { margin: 0; }
.review p { font-style: italic; color: var(--ink); }
.review figcaption {
  margin-top: .8rem;
  font-size: .85rem;
  color: var(--muted);
}

/* ---------- faq ---------- */
.faq-inner { max-width: 760px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 40px 18px 0;
  position: relative;
  font-size: 1.06rem;
  font-family: "Marcellus", serif;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Instrument Sans", sans-serif;
  font-size: 1.4rem;
  color: var(--marigold-ink);
  line-height: 1;
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p {
  padding: 0 0 20px;
  color: var(--muted);
  font-size: .97rem;
  max-width: 62ch;
}

/* ---------- contact ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 5vw, 48px);
  align-items: start;
}
.contact-list { margin: 0 0 1.6rem; }
.contact-list > div { padding-block: 12px; border-bottom: 1px solid var(--line); }
.contact-list > div:first-child { border-top: 1px solid var(--line); }
.contact-list dt {
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 3px;
}
.contact-list dd {
  margin: 0;
  font-size: 1.02rem;
}
.contact-list dd a {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-decoration: none;
}
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.contact-map {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  height: 100%;
}
.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
  display: block;
  filter: saturate(0.9);
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--indigo-deep);
  color: #C7CDD9;
  padding-block: clamp(36px, 6vw, 56px);
}
.footer-inner { display: grid; gap: 18px; }
.footer-brand .brand-text { color: #fff; font-size: 1.15rem; }
.footer-brand p { margin-top: 4px; font-size: .92rem; color: #A9B1C0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a { color: #C7CDD9; text-decoration: none; font-size: .92rem; }
.footer-nav a:hover { color: #fff; }
.footer-areas { font-size: .86rem; color: #9098A7; max-width: 70ch; }
.footer-legal { font-size: .82rem; color: #838B9A; }

/* ---------- sticky mobile call bar ---------- */
.callbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: none;
  border-top: 1px solid rgba(0,0,0,.15);
}
.callbar a {
  flex: 1;
  text-align: center;
  padding: 14px 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
}
.callbar-call { background: #D9930F; color: #241A05; }
.callbar-wa { background: #47795A; color: #fff; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .fleet-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-scene { width: 190px; opacity: .5; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 70px; }
  .header-inner { min-height: 56px; }

  .nav { margin-left: auto; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
  }
  .nav-toggle-bar,
  .nav-toggle-bar::before,
  .nav-toggle-bar::after {
    content: "";
    display: block;
    width: 18px; height: 2px;
    background: var(--ink);
    position: relative;
  }
  .nav-toggle-bar::before { position: absolute; top: -6px; }
  .nav-toggle-bar::after  { position: absolute; top: 6px; }

  .nav-menu {
    position: absolute;
    top: 100%;
    right: clamp(18px, 5vw, 40px);
    left: clamp(18px, 5vw, 40px);
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 8px;
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu a {
    display: block;
    padding: 12px 10px;
    font-size: 1rem;
    border-radius: 8px;
  }
  .nav-menu a:hover { background: var(--surface-alt); }

  /* the sticky bottom bar carries Call / WhatsApp on phones */
  .header-cta { display: none; }
  .nav { margin-left: auto; }

  .hero-scene { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .booking-card { margin-top: clamp(-40px, -6vw, -28px); }
  .booking-grid { grid-template-columns: 1fr 1fr; }
  .field-wide { grid-column: span 2; }

  .why-list { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; justify-items: start; }

  body { padding-bottom: 56px; }   /* room for sticky call bar */
  .callbar { display: flex; }
}

@media (max-width: 420px) {
  .card-grid { grid-template-columns: 1fr; }
  .fleet-grid { grid-template-columns: 1fr; }
  .booking-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .hero-actions .btn { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}