/* ══════════════════════════════════════════════════════════
   زاگرس — حمل و نقل بار
   Palette: Persian tilework turquoise on limestone.
   Type:    Vazirmatn variable (OFL), weight-driven hierarchy.
   ══════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Vazirmatn';
  src: url('/fonts/Vazirmatn-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --ground:  #EDEFEA;   /* limestone, biased green toward the accent */
  --surface: #F7F8F5;
  --raised:  #FFFFFF;
  --ink:     #101B1A;
  --muted:   #5E706C;
  --accent:  #0E8A84;   /* tile turquoise — the only accent */
  --accent-soft: rgba(14, 138, 132, 0.10);
  --figure:  #B8731A;   /* saffron — price figures only */
  --line:    rgba(16, 27, 26, 0.13);
  --line-soft: rgba(16, 27, 26, 0.07);
  --shadow:  0 1px 2px rgba(16,27,26,.05), 0 8px 24px -12px rgba(16,27,26,.16);
  --ridge:   rgba(14, 138, 132, 0.16);

  --shell: 74rem;
  --step:  clamp(1.25rem, 0.9rem + 1.4vw, 2rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground:  #0A1413;
    --surface: #0E1B1A;
    --raised:  #132322;
    --ink:     #E8EDEA;
    --muted:   #93A7A2;
    --accent:  #2CBFB5;
    --accent-soft: rgba(44, 191, 181, 0.13);
    --figure:  #E0A24A;
    --line:    rgba(232, 237, 234, 0.15);
    --line-soft: rgba(232, 237, 234, 0.08);
    --shadow:  0 1px 2px rgba(0,0,0,.3), 0 8px 28px -12px rgba(0,0,0,.6);
    --ridge:   rgba(44, 191, 181, 0.17);
    color-scheme: dark;
  }
}

/* Viewer's explicit toggle must win over the media query, both directions. */
:root[data-theme='dark'] {
  --ground:  #0A1413;
  --surface: #0E1B1A;
  --raised:  #132322;
  --ink:     #E8EDEA;
  --muted:   #93A7A2;
  --accent:  #2CBFB5;
  --accent-soft: rgba(44, 191, 181, 0.13);
  --figure:  #E0A24A;
  --line:    rgba(232, 237, 234, 0.15);
  --line-soft: rgba(232, 237, 234, 0.08);
  --shadow:  0 1px 2px rgba(0,0,0,.3), 0 8px 28px -12px rgba(0,0,0,.6);
  --ridge:   rgba(44, 191, 181, 0.17);
  color-scheme: dark;
}

:root[data-theme='light'] {
  --ground:  #EDEFEA;
  --surface: #F7F8F5;
  --raised:  #FFFFFF;
  --ink:     #101B1A;
  --muted:   #5E706C;
  --accent:  #0E8A84;
  --accent-soft: rgba(14, 138, 132, 0.10);
  --figure:  #B8731A;
  --line:    rgba(16, 27, 26, 0.13);
  --line-soft: rgba(16, 27, 26, 0.07);
  --shadow:  0 1px 2px rgba(16,27,26,.05), 0 8px 24px -12px rgba(16,27,26,.16);
  --ridge:   rgba(14, 138, 132, 0.16);
  color-scheme: light;
}

/* ── Base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: 'Vazirmatn', system-ui, sans-serif;
  font-weight: 400;
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { margin: 0; text-wrap: balance; line-height: 1.15; }
p { margin: 0; }
img, svg, canvas { max-width: 100%; }

a { color: inherit; }

:where(a, button, input, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.num { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; }

.shell {
  width: min(100% - 2.5rem, var(--shell));
  margin-inline: auto;
}

.skip {
  position: absolute;
  inset-inline-start: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: .7rem 1.1rem;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
}
.skip:focus { inset-inline-start: 1rem; }

/* ── Shared type roles ──────────────────────────────────── */
.eyebrow {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: .9rem;
}

.sectitle {
  font-size: clamp(1.75rem, 1.25rem + 2.2vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.secintro {
  color: var(--muted);
  max-width: 56ch;
  margin-top: 1rem;
}

.label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: .85rem;
  padding: 0;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.6rem;
  border: 1px solid var(--btn-bd);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--solid {
  --btn-bg: var(--accent);
  --btn-fg: #fff;
  --btn-bd: var(--accent);
}
.btn--ghost:hover { --btn-bd: var(--accent); color: var(--accent); }

/* ── Brand mark ─────────────────────────────────────────── */
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__tile  { fill: var(--accent); }
.brand__ridge { fill: none; stroke: var(--ground); stroke-width: 2.1; stroke-linejoin: round; stroke-linecap: round; }
.brand__peak  { fill: var(--ground); }
.brand__word {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.nav.is-stuck { border-bottom-color: var(--line-soft); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.4rem;
}

.nav__links {
  display: flex;
  gap: 1.6rem;
  margin-inline-start: auto;
  font-size: .95rem;
}
.nav__links a {
  text-decoration: none;
  color: var(--muted);
  transition: color .18s ease;
}
.nav__links a:hover { color: var(--ink); }

.nav__actions { display: flex; align-items: center; gap: .6rem; }

.themetoggle {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease;
}
.themetoggle:hover { border-color: var(--accent); color: var(--accent); }
.themetoggle__icon { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  .i-sun  { display: none; }
  .i-moon { display: inline; }
}
:root[data-theme='dark'] .i-sun  { display: none; }
:root[data-theme='dark'] .i-moon { display: inline; }
:root[data-theme='light'] .i-sun  { display: inline; }
:root[data-theme='light'] .i-moon { display: none; }

.nav__call { display: inline-flex; align-items: center; gap: .5rem; padding-inline: 1.1rem; }
.nav__call-icon { width: 15px; height: 15px; flex: none; fill: currentColor; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__actions { margin-inline-start: auto; }
}
/* Phone-sized screens keep the call button — it is the one action worth a tap
   there — but only as the icon, so the header never wraps. */
@media (max-width: 30rem) {
  .nav__call-num { display: none; }
  .nav__call { padding-inline: .85rem; }
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: clamp(4rem, 2rem + 9vw, 8.5rem) clamp(3.5rem, 2rem + 6vw, 6rem);
  overflow: hidden;
}

.hero__ridge {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  width: 100%;
  height: 38%;
  pointer-events: none;
  /* Dissolve the base so the ridge reads as a horizon, not a colour block. */
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 96%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 96%);
}

.hero__inner { position: relative; }

.hero__title {
  font-size: clamp(2.6rem, 1.4rem + 5.6vw, 5.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 16ch;
}
.hero__title-accent { color: var(--accent); }

.hero__lede {
  margin-top: 1.6rem;
  max-width: 54ch;
  color: var(--muted);
  font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.2rem);
}

.hero__cta {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.hero__facts {
  margin: clamp(3rem, 2rem + 3vw, 4.5rem) 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.8rem;
}
.fact dt { font-size: .82rem; color: var(--muted); letter-spacing: .04em; }
.fact dd {
  margin: .35rem 0 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.fact dd .num { color: var(--figure); }

/* ── Sections + route spine ─────────────────────────────── */
.section {
  position: relative;
  padding-block: clamp(3.5rem, 2rem + 6vw, 7rem);
}
.section--alt { background: var(--surface); }

.sechead { position: relative; margin-bottom: clamp(2rem, 1.2rem + 2.5vw, 3.2rem); }

/* Station node on the reading (right) edge — the route spine. */
.node {
  position: absolute;
  inset-inline-start: -2.2rem;
  top: .5rem;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
}
.node::before {
  content: '';
  position: absolute;
  inset-inline-start: 50%;
  top: 100%;
  width: 1px;
  height: 60vh;
  background: linear-gradient(to bottom, var(--line), transparent);
  transform: translateX(-50%) rotate(-45deg);
  transform-origin: top;
}
@media (max-width: 1180px) { .node { display: none; } }

/* ── Estimator ──────────────────────────────────────────── */
.estimator {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 1rem + 2vw, 3rem);
  align-items: start;
}
@media (max-width: 860px) { .estimator { grid-template-columns: 1fr; } }

.estimator__controls { display: flex; flex-direction: column; gap: 2.2rem; }

.field { border: 0; padding: 0; margin: 0; min-width: 0; }

.choices { display: grid; gap: .6rem; }

.choice {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .95rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--raised);
  cursor: pointer;
  transition: border-color .18s ease, background-color .18s ease;
}
.choice:hover { border-color: var(--accent); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 3px; }
.choice:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.choice__dot {
  width: 15px; height: 15px; flex: none;
  border: 1.5px solid var(--muted);
  border-radius: 50%;
  display: grid; place-items: center;
  transition: border-color .18s ease;
}
.choice:has(input:checked) .choice__dot { border-color: var(--accent); }
.choice:has(input:checked) .choice__dot::after {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.choice__body { display: flex; flex-direction: column; line-height: 1.45; min-width: 0; }
.choice__name { font-weight: 700; }
.choice__meta { font-size: .84rem; color: var(--muted); }
.choice__rate { margin-inline-start: auto; font-weight: 700; font-size: .92rem; color: var(--figure); white-space: nowrap; }

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--line);
  cursor: pointer;
  margin: 0;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--ground);
  box-shadow: 0 1px 6px rgba(0,0,0,.22);
  cursor: grab;
}
.slider::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--ground);
  box-shadow: 0 1px 6px rgba(0,0,0,.22);
  cursor: grab;
  border-color: var(--ground);
}
.slider__out {
  display: block;
  margin-top: .9rem;
  font-weight: 700;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

/* Ticket — the estimator's readout */
.ticket {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(1.4rem, 1rem + 1.4vw, 2rem);
  box-shadow: var(--shadow);
}
.ticket__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-block: .55rem; }
.ticket__k { color: var(--muted); font-size: .92rem; }
.ticket__v { font-weight: 600; }
.ticket__rule { height: 1px; background: var(--line); margin-block: .9rem; }
.ticket__row--total { padding-top: 0; }
.ticket__total {
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--figure);
  line-height: 1.2;
}
.ticket__note {
  margin-top: 1rem;
  font-size: .84rem;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  padding-top: .9rem;
}

.finenote {
  margin-top: 2rem;
  font-size: .86rem;
  color: var(--muted);
  max-width: 70ch;
}

/* ── Fleet ──────────────────────────────────────────────── */
.fleet {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1.1rem;
}

.truck {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .2s ease, border-color .2s ease;
}
.truck:hover { transform: translateY(-3px); border-color: var(--accent); }

.truck__name { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }
.truck__rate { font-size: 1.5rem; font-weight: 800; color: var(--figure); letter-spacing: -0.02em; line-height: 1.2; }
.truck__rate small { font-size: .82rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.truck__spec { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; padding-block: .4rem; border-top: 1px solid var(--line-soft); }
.truck__spec dt { color: var(--muted); }
.truck__spec dd { margin: 0; font-weight: 600; }
.truck__use { font-size: .9rem; color: var(--muted); margin-top: auto; }

/* ── Steps ──────────────────────────────────────────────── */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.6rem;
  counter-reset: step;
}
.step { position: relative; padding-top: 2.6rem; border-top: 2px solid var(--line); }
.step__n {
  position: absolute;
  top: -0.05rem;
  inset-inline-start: 0;
  transform: translateY(-55%);
  background: var(--ground);
  padding-inline-end: .7rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent);
}
.section--alt .step__n { background: var(--surface); }
.step__t { font-size: 1.12rem; font-weight: 700; margin-bottom: .5rem; }
.step__d { color: var(--muted); font-size: .93rem; }

/* ── Cards ──────────────────────────────────────────────── */
/* Six cards: explicit tracks so they break 3+3, never a lopsided 4+2. */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 40rem)  { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 62rem)  { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card__t { font-size: 1.08rem; font-weight: 700; margin-bottom: .5rem; }
.card__d { color: var(--muted); font-size: .93rem; }

/* ── Drivers ────────────────────────────────────────────── */
.section--drivers { background: var(--surface); }
.drivers {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(1.8rem, 1rem + 3vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) { .drivers { grid-template-columns: 1fr; } }

.drivers__copy { position: relative; }
.drivers__cta { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .8rem; }

.drivers__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}
.drivers__list li {
  padding: 1rem 0 1rem 0;
  border-top: 1px solid var(--line);
  font-size: .95rem;
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.drivers__list li:last-child { border-bottom: 1px solid var(--line); }
.drivers__list li::before {
  content: '';
  flex: none;
  width: 6px; height: 6px;
  border-radius: 1px;
  background: var(--accent);
  transform: rotate(45deg);
}

/* ── Footer ─────────────────────────────────────────────── */
/* The footer carries the contact details, so it is a real section, not a
   one-line legal strip. */
.foot {
  border-top: 1px solid var(--line);
  padding-block: 3rem 2rem;
  /* The drivers section above is --surface; keep the alternation going. */
  background: var(--ground);
}
.foot__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.4rem;
  align-items: start;
}
@media (max-width: 62rem) { .foot__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
@media (max-width: 40rem) { .foot__inner { grid-template-columns: 1fr; gap: 2rem; } }

.foot__col { display: grid; gap: .9rem; align-content: start; }
.foot__brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; }
.foot__note { color: var(--muted); font-size: .9rem; max-width: 34ch; }

.foot__h {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--muted);
}

.foot__phones { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.foot__phone {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: color .18s ease;
}
.foot__phone:hover { color: var(--accent); }
.foot__range { font-size: .8rem; font-weight: 400; color: var(--muted); }

.foot__links { display: grid; gap: .45rem; font-size: .92rem; }
.foot__links a { color: var(--muted); text-decoration: none; transition: color .18s ease; }
.foot__links a:hover { color: var(--accent); }

.foot__copy {
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  font-size: .84rem;
  color: var(--muted);
}

/* ── Reveal ─────────────────────────────────────────────── */
/* Only hide when JS is present to bring it back (see the head script). */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1);
}
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}