/* ============================================================================
   PetroApp Website — site styles. Built on the design-system tokens
   (linked via ../styles.css). RTL-first; everything flips with dir="rtl".
   ============================================================================ */

/* ---- Reset-ish base for the marketing site ---- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface-card);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}
html[lang="ar"] body { font-family: var(--font-arabic); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; color: var(--text-strong); line-height: var(--lh-snug); }

.pa-container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.pa-section { padding: 88px 0; }
.pa-section--tight { padding: 56px 0; }

/* lang visibility helper (used for one-off literals not in the dictionary) */
html[lang="en"] .only-ar { display: none !important; }
html[lang="ar"] .only-en { display: none !important; }

/* ---- Buttons ---- */
.pa-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border: 1.5px solid transparent;
  border-radius: var(--radius-pill); cursor: pointer;
  font-family: inherit; font-size: var(--fs-body); font-weight: var(--fw-bold);
  line-height: 1; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-standard), filter var(--dur-fast) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.pa-btn svg { width: 18px; height: 18px; }
.pa-btn:active { transform: scale(0.97); }
.pa-btn--primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-primary); }
.pa-btn--primary:hover { filter: brightness(0.94); }
.pa-btn--secondary { background: var(--surface-card); color: var(--color-primary); border-color: var(--pa-blue-200); box-shadow: var(--shadow-xs); }
.pa-btn--secondary:hover { background: var(--pa-blue-050); }
.pa-btn--ghost { background: transparent; color: var(--color-primary); }
.pa-btn--ghost:hover { background: var(--pa-blue-050); }
.pa-btn--onblue { background: #fff; color: var(--color-primary); }
.pa-btn--onblue:hover { filter: brightness(0.96); }
.pa-btn--sm { height: 40px; padding: 0 18px; font-size: var(--fs-body-sm); }
.pa-btn--lg { height: 56px; padding: 0 32px; font-size: var(--fs-body-lg); }
.pa-btn--block { width: 100%; }

/* mirror directional arrows in RTL */
html[dir="rtl"] .pa-btn__arrow { transform: scaleX(-1); }

/* ---- Pills / badges ---- */
.pa-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: var(--radius-pill);
  background: var(--color-primary-soft); color: var(--color-primary);
  font-size: var(--fs-body-sm); font-weight: var(--fw-bold);
}
.pa-pill__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pa-badge-soon {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: var(--radius-pill); background: var(--pa-amber-100); color: #8a5d00;
  font-size: var(--fs-micro); font-weight: var(--fw-bold);
}

/* ============================================================================
   Header
   ============================================================================ */
.pa-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.pa-header__inner { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.pa-logo img { height: 26px; }
.pa-nav { display: flex; align-items: center; gap: 30px; }
.pa-nav__link { font-size: 15px; font-weight: var(--fw-semibold); color: var(--text-body); position: relative; padding: 6px 0; cursor: pointer; }
.pa-nav__link:hover, .pa-nav__link.is-active { color: var(--color-primary); }
.pa-nav__link.is-active::after { content: ""; position: absolute; inset-inline: 0; bottom: -2px; height: 2px; background: var(--color-primary); border-radius: 2px; }

/* dropdown */
.pa-dd { position: relative; }
.pa-dd__trigger { display: inline-flex; align-items: center; gap: 5px; }
.pa-dd__trigger svg { width: 15px; height: 15px; transition: transform var(--dur-fast); }
.pa-dd:hover .pa-dd__trigger svg { transform: rotate(180deg); }
.pa-dd__menu {
  position: absolute; top: calc(100% + 14px); inset-inline-start: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 560px; background: #fff; border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 14px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  opacity: 0; visibility: hidden; transition: opacity var(--dur-base), transform var(--dur-base); z-index: 110;
}
html[dir="rtl"] .pa-dd__menu { transform: translateX(50%) translateY(8px); }
/* invisible hover bridge so the cursor can cross the gap without the menu closing */
.pa-dd__menu::before { content: ""; position: absolute; top: -16px; left: 0; right: 0; height: 16px; background: transparent; }
.pa-dd:hover .pa-dd__menu, .pa-dd:focus-within .pa-dd__menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
html[dir="rtl"] .pa-dd:hover .pa-dd__menu, html[dir="rtl"] .pa-dd:focus-within .pa-dd__menu { transform: translateX(50%) translateY(0); }
.pa-dd__item { display: flex; gap: 12px; padding: 11px 12px; border-radius: var(--radius-md); cursor: pointer; }
.pa-dd__item:hover { background: var(--pa-blue-050); }
.pa-dd__ico { flex-shrink: 0; width: 38px; height: 38px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; }
.pa-dd__ico svg { width: 19px; height: 19px; }
.pa-dd__t { font-size: 14px; font-weight: var(--fw-bold); color: var(--text-strong); }
.pa-dd__d { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

.pa-header__actions { display: flex; align-items: center; gap: 14px; }
.pa-lang {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; cursor: pointer;
  border: 1px solid var(--border-default); border-radius: var(--radius-pill);
  font-size: 13px; font-weight: var(--fw-bold); color: var(--text-body); background: #fff;
}
.pa-lang:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pa-lang svg { width: 15px; height: 15px; }

.pa-burger { display: none; width: 44px; height: 44px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: #fff; cursor: pointer; align-items: center; justify-content: center; }
.pa-burger svg { width: 22px; height: 22px; color: var(--text-strong); }

/* mobile drawer */
.pa-drawer { position: fixed; inset: 0; z-index: 200; display: none; }
.pa-drawer.is-open { display: block; }
.pa-drawer__scrim { position: absolute; inset: 0; background: rgba(33,33,34,.45); }
.pa-drawer__panel { position: absolute; inset-block: 0; inset-inline-end: 0; width: min(360px, 86vw); background: #fff; padding: 24px; overflow: auto; display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow-xl); }
.pa-drawer__panel a { padding: 14px 12px; border-radius: var(--radius-md); font-weight: var(--fw-semibold); color: var(--text-body); }
.pa-drawer__panel a:hover { background: var(--pa-blue-050); color: var(--color-primary); }
.pa-drawer__close { align-self: flex-end; width: 40px; height: 40px; border: none; background: var(--pa-gray-100); border-radius: var(--radius-md); cursor: pointer; }

/* ============================================================================
   Hero & generic page header
   ============================================================================ */
.pa-hero { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--pa-blue-050), #fff 62%); }
.pa-hero__grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 52px; align-items: center; padding: 76px 0 68px; }
.pa-hero h1 { font-size: 50px; line-height: 1.14; font-weight: var(--fw-bold); margin-bottom: 20px; }
.pa-hero p { font-size: 18px; line-height: 1.8; color: var(--text-body); max-width: 560px; margin-bottom: 30px; }
.pa-hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.pa-pagehead { background: linear-gradient(160deg, var(--pa-blue-050), #fff 75%); border-bottom: 1px solid var(--border-subtle); }
.pa-pagehead__inner { padding: 64px 0 52px; max-width: 760px; }
.pa-pagehead h1 { font-size: 42px; line-height: 1.16; margin-bottom: 16px; }
.pa-pagehead p { font-size: 18px; line-height: 1.8; color: var(--text-body); }

/* section heading block */
.pa-sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.pa-sec-head h2 { font-size: 36px; font-weight: var(--fw-bold); margin: 14px 0 0; }
.pa-sec-head p { font-size: 17px; color: var(--text-muted); margin-top: 14px; line-height: 1.7; }

/* ---- Cards ---- */
.pa-card { background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); padding: 28px; }
.pa-card--tint-pink { background: var(--pa-tint-pink); border: none; }
.pa-card--tint-yellow { background: var(--pa-tint-yellow); border: none; }
.pa-card--tint-blue { background: var(--pa-tint-blue); border: none; }
.pa-card--tint-teal { background: var(--pa-tint-teal); border: none; }

.pa-feature__ico { width: 54px; height: 54px; border-radius: var(--radius-lg); background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.pa-feature__ico svg { width: 26px; height: 26px; }
.pa-feature h3 { font-size: 19px; margin-bottom: 10px; }
.pa-feature p { font-size: 14.5px; line-height: 1.7; color: var(--text-muted); margin: 0; }
.pa-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pa-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pa-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* ---- Stats ---- */
.pa-stats { background: var(--pa-gray-050); border-block: 1px solid var(--border-subtle); }
.pa-stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.pa-stat { text-align: center; padding: 18px; }
.pa-stat__num { font-family: var(--font-numeric); font-weight: var(--fw-extrabold); font-size: 44px; color: var(--color-primary); line-height: 1; }
html[lang="ar"] .pa-stat__num { font-family: var(--font-arabic); }
.pa-stat__lbl { font-size: 15px; color: var(--text-muted); margin-top: 10px; font-weight: var(--fw-semibold); }

/* ---- Testimonials (numbers-driven) ---- */
.pa-tst-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pa-tst {
  background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm); padding: 28px; display: flex; flex-direction: column; gap: 16px;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.pa-tst:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pa-tst__metric { display: flex; align-items: baseline; gap: 8px; }
.pa-tst__num { font-family: var(--font-numeric); font-weight: var(--fw-extrabold); font-size: 46px; line-height: 1; color: var(--color-primary); }
html[lang="ar"] .pa-tst__num { font-family: var(--font-arabic); }
.pa-tst__metric-lbl { font-size: 14px; font-weight: var(--fw-bold); color: var(--text-muted); }
.pa-tst__quote { font-size: 16px; line-height: 1.75; color: var(--text-strong); flex: 1; }
.pa-tst__quote::before { content: "“"; }
.pa-tst__quote::after { content: "”"; }
html[dir="rtl"] .pa-tst__quote::before { content: "”"; }
html[dir="rtl"] .pa-tst__quote::after { content: "“"; }
.pa-tst__who { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--border-subtle); padding-top: 16px; }
.pa-tst__av { width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: var(--fw-bold); font-size: 16px; flex-shrink: 0; }
.pa-tst__name { font-size: 15px; font-weight: var(--fw-bold); color: var(--text-strong); }
.pa-tst__role { font-size: 13px; color: var(--text-muted); }
.pa-tst__stars { display: flex; gap: 2px; color: var(--pa-amber-500); }
.pa-tst__stars svg { width: 16px; height: 16px; fill: currentColor; }

@media (max-width: 980px) { .pa-tst-grid { grid-template-columns: 1fr; } }

/* ---- Trusted-by strip ---- */
.pa-trusted { background: var(--pa-gray-050); border-block: 1px solid var(--border-subtle); }
.pa-trusted__logos { display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap; margin-top: 26px; }
.pa-trusted__logos img {
  height: 40px; object-fit: contain;
  padding: 16px 26px; background: #fff;
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); box-sizing: content-box;
  opacity: 1; filter: none;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.pa-trusted__logos img:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ---- CTA band ---- */
.pa-ctaband { border-radius: var(--radius-2xl); background: linear-gradient(135deg, var(--pa-blue-700), var(--pa-blue-500)); color: #fff; padding: 60px 48px; text-align: center; }
.pa-ctaband h2 { color: #fff; font-size: 34px; font-weight: var(--fw-extrabold); margin-bottom: 12px; }
.pa-ctaband p { font-size: 18px; opacity: .92; margin-bottom: 28px; }

/* ============================================================================
   Solutions page — sub-nav, sections, workflow steps, calculator
   ============================================================================ */
.pa-subnav { position: sticky; top: 74px; z-index: 90; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-subtle); }
.pa-subnav__inner { display: flex; gap: 6px; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.pa-subnav__inner::-webkit-scrollbar { display: none; }
.pa-subnav a { flex-shrink: 0; padding: 8px 16px; border-radius: var(--radius-pill); font-size: 14px; font-weight: var(--fw-semibold); color: var(--text-muted); white-space: nowrap; }
.pa-subnav a:hover { background: var(--pa-blue-050); color: var(--color-primary); }
.pa-subnav a.is-active { background: var(--color-primary); color: #fff; }

.pa-sol { padding: 80px 0; border-bottom: 1px solid var(--border-subtle); scroll-margin-top: 140px; }
.pa-sol:nth-child(even) { background: var(--pa-gray-050); }
.pa-sol__head { max-width: 760px; margin-bottom: 36px; }
.pa-sol__head .pa-pill { margin-bottom: 16px; }
.pa-sol__head h2 { font-size: 34px; line-height: 1.2; margin-bottom: 14px; }
.pa-sol__head p { font-size: 17px; line-height: 1.8; color: var(--text-body); margin: 0; }
.pa-sol__sub { font-size: 20px; font-weight: var(--fw-bold); color: var(--text-strong); margin: 0 0 8px; }

/* workflow numbered steps */
.pa-steps { display: flex; flex-wrap: wrap; gap: 14px; counter-reset: step; }
.pa-step { flex: 1; min-width: 180px; background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 22px 20px; position: relative; box-shadow: var(--shadow-xs); }
.pa-step__n { width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: #fff; font-family: var(--font-numeric); font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.pa-step p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--text-body); }

/* small feature chips list */
.pa-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.pa-chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-pill); background: #fff; border: 1.5px solid var(--border-default); font-size: 14px; font-weight: var(--fw-semibold); color: var(--text-body); }
.pa-chip svg { width: 16px; height: 16px; color: var(--color-primary); }

/* icon-card grid (wash types, NFC options, services) */
.pa-iconcards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.pa-iconcard { background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 20px 16px; text-align: center; box-shadow: var(--shadow-xs); transition: transform var(--dur-base), box-shadow var(--dur-base); }
.pa-iconcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pa-iconcard__ico { width: 46px; height: 46px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.pa-iconcard__ico svg { width: 22px; height: 22px; }
.pa-iconcard span { font-size: 13.5px; font-weight: var(--fw-semibold); color: var(--text-strong); }
.pa-iconcard.is-locked { opacity: .72; }

/* clickable reveal cards (NFC) */
.pa-reveal { background: #fff; border: 1.5px solid var(--border-default); border-radius: var(--radius-lg); padding: 22px; cursor: pointer; transition: border-color var(--dur-base), box-shadow var(--dur-base); }
.pa-reveal.is-open { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.pa-reveal__top { display: flex; align-items: center; gap: 12px; }
.pa-reveal__ico { width: 46px; height: 46px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pa-reveal__body { max-height: 0; overflow: hidden; transition: max-height var(--dur-slow) var(--ease-standard); }
.pa-reveal.is-open .pa-reveal__body { max-height: 220px; }
.pa-reveal__body p { margin: 14px 0 0; font-size: 14px; line-height: 1.7; color: var(--text-muted); }

/* savings calculator */
.pa-calc { background: linear-gradient(150deg, var(--pa-blue-700), var(--pa-blue-500)); border-radius: var(--radius-2xl); padding: 38px; color: #fff; box-shadow: var(--shadow-xl); }
.pa-calc h3 { color: #fff; font-size: 24px; margin-bottom: 6px; }
.pa-calc__sub { opacity: .9; font-size: 15px; margin-bottom: 26px; }
.pa-calc__inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pa-calc label { display: block; font-size: 14px; font-weight: var(--fw-semibold); margin-bottom: 8px; }
.pa-calc input { width: 100%; height: 52px; padding: 0 16px; border: none; border-radius: var(--radius-md); font-family: var(--font-numeric); font-size: 18px; font-weight: var(--fw-bold); color: var(--text-strong); }
.pa-calc input:focus { outline: 3px solid rgba(255,255,255,.5); }
.pa-calc__out { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; padding: 22px 26px; background: rgba(255,255,255,.14); border-radius: var(--radius-lg); flex-wrap: wrap; }
.pa-calc__out .lbl { font-size: 15px; opacity: .92; }
.pa-calc__big { font-family: var(--font-numeric); font-weight: 800; font-size: 44px; line-height: 1; }
html[lang="ar"] .pa-calc__big, html[lang="ar"] .pa-calc input { font-family: var(--font-arabic); }
.pa-calc__note { font-size: 12.5px; opacity: .8; margin-top: 14px; }

/* fuel selector + waste slider on the dark blue solutions calc */
.pa-calc__fuel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.pa-calc__fuel button { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 6px; border: 1.5px solid rgba(255,255,255,.4); border-radius: var(--radius-md); background: rgba(255,255,255,.1); color: #fff; cursor: pointer; font-family: inherit; transition: all var(--dur-fast); }
.pa-calc__fuel button svg { width: 18px; height: 18px; }
.pa-calc__fuel button .nm { font-size: 13.5px; font-weight: var(--fw-bold); }
.pa-calc__fuel button .pr { font-size: 11px; opacity: .8; font-family: var(--font-numeric); }
.pa-calc__fuel button.is-active { background: #fff; color: var(--color-primary); border-color: #fff; }
.pa-calc__waste { margin-top: 4px; }
.pa-calc__waste .wl { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; font-weight: var(--fw-semibold); margin-bottom: 8px; }
.pa-calc__waste .wl b { font-family: var(--font-numeric); font-size: 18px; }
.pa-calc__waste input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 7px; border-radius: var(--radius-pill); background: rgba(255,255,255,.3); outline: none; }
.pa-calc__waste input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--pa-blue-500); cursor: pointer; }
.pa-calc__waste input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--pa-blue-500); cursor: pointer; }
/* unit toggle on the dark blue solutions calc */
.pa-calc__unit { display: inline-flex; gap: 3px; padding: 3px; background: rgba(255,255,255,.15); border-radius: var(--radius-pill); }
.pa-calc__unit button { border: none; background: transparent; cursor: pointer; font-family: inherit; font-size: 12px; font-weight: var(--fw-bold); color: rgba(255,255,255,.85); padding: 4px 12px; border-radius: var(--radius-pill); transition: all var(--dur-fast); }
.pa-calc__unit button.is-active { background: #fff; color: var(--color-primary); }
.pa-calc__inputs label { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

@media (max-width: 720px) {
  .pa-calc__inputs { grid-template-columns: 1fr; }
  .pa-sol { padding: 56px 0; }
  .pa-sol__head h2 { font-size: 27px; }
}

/* ============================================================================
   Home savings calculator — conversion band
   ============================================================================ */
.pa-hcalc-sec { background: linear-gradient(160deg, var(--pa-blue-050), #fff 72%); }
.pa-hcalc { display: grid; grid-template-columns: 1.05fr 0.95fr; background: #fff; border-radius: var(--radius-2xl); box-shadow: var(--shadow-xl); overflow: hidden; border: 1px solid var(--border-subtle); }
.pa-hcalc__form { padding: 42px; }
.pa-hcalc__form h3 { font-size: 24px; margin-bottom: 6px; }
.pa-hcalc__form .lead { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin: 0 0 26px; }
.pa-hcalc__group { margin-bottom: 24px; }
.pa-hcalc__lbl { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.pa-hcalc__lbl span:first-child { font-size: 14px; font-weight: var(--fw-semibold); color: var(--text-strong); }
.pa-hcalc__val { font-family: var(--font-numeric); font-weight: 800; font-size: 22px; color: var(--color-primary); }
.pa-hcalc input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: var(--radius-pill); background: var(--pa-blue-100); outline: none; }
.pa-hcalc input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--color-primary); border: 4px solid #fff; box-shadow: var(--shadow-md); cursor: pointer; }
.pa-hcalc input[type=range]::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--color-primary); border: 4px solid #fff; box-shadow: var(--shadow-md); cursor: pointer; }
.pa-hcalc__num { display: flex; align-items: center; gap: 10px; }
.pa-hcalc__num input { flex: 1; height: 52px; padding: 0 16px; border: 1.5px solid var(--border-default); border-radius: var(--radius-md); font-family: var(--font-numeric); font-size: 18px; font-weight: var(--fw-bold); color: var(--text-strong); outline: none; }
.pa-hcalc__num input:focus { border-color: var(--color-primary); box-shadow: var(--ring); }
.pa-hcalc__num .unit { font-size: 14px; font-weight: var(--fw-bold); color: var(--text-muted); white-space: nowrap; }

.pa-hcalc__result { padding: 42px; background: linear-gradient(155deg, var(--pa-blue-700), var(--pa-blue-500)); color: #fff; display: flex; flex-direction: column; justify-content: center; }
.pa-hcalc__result .cap { font-size: 14px; font-weight: var(--fw-bold); opacity: .9; display: inline-flex; align-items: center; gap: 7px; }
.pa-hcalc__result .cap svg { width: 17px; height: 17px; }
.pa-hcalc__big { font-family: var(--font-numeric); font-weight: 800; font-size: 54px; line-height: 1.05; margin: 8px 0 2px; }
.pa-hcalc__big .cur { font-size: 26px; opacity: .85; margin-inline-start: 6px; }
.pa-hcalc__year { font-size: 15px; opacity: .92; }
.pa-hcalc__year b { font-family: var(--font-numeric); }
.pa-hcalc__cmp { margin: 24px 0; display: flex; flex-direction: column; gap: 12px; }
.pa-hcalc__bar-row .t { display: flex; justify-content: space-between; font-size: 12.5px; opacity: .92; margin-bottom: 5px; }
.pa-hcalc__bar { height: 12px; border-radius: var(--radius-pill); overflow: hidden; background: rgba(255,255,255,.2); }
.pa-hcalc__bar > span { display: block; height: 100%; border-radius: var(--radius-pill); transition: width var(--dur-slow) var(--ease-out); }
.pa-hcalc__bar--now > span { background: rgba(255,255,255,.55); }
.pa-hcalc__bar--pa > span { background: #fff; }
.pa-hcalc__cta { margin-top: 8px; }
.pa-hcalc__note { font-size: 12px; opacity: .8; margin-top: 14px; }

/* fuel-type segmented control */
.pa-fuel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pa-fuel button {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px 8px; border: 1.5px solid var(--border-default); border-radius: var(--radius-md);
  background: #fff; cursor: pointer; font-family: inherit; transition: all var(--dur-fast) var(--ease-standard);
}
.pa-fuel button svg { width: 20px; height: 20px; color: var(--text-muted); }
.pa-fuel button .nm { font-size: 14px; font-weight: var(--fw-bold); color: var(--text-strong); }
.pa-fuel button .pr { font-size: 11.5px; color: var(--text-muted); font-family: var(--font-numeric); }
.pa-fuel button:hover { border-color: var(--pa-blue-400); }
.pa-fuel button.is-active { border-color: var(--color-primary); background: var(--pa-blue-050); box-shadow: var(--ring); }
.pa-fuel button.is-active svg { color: var(--color-primary); }

/* waste-rate row reuses range; small value chip */
.pa-hcalc__hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* unit toggle (litre / riyal) — light, for home calc */
.pa-unit { display: inline-flex; gap: 3px; padding: 3px; background: var(--pa-gray-100); border-radius: var(--radius-pill); }
.pa-unit button { border: none; background: transparent; cursor: pointer; font-family: inherit; font-size: 12.5px; font-weight: var(--fw-bold); color: var(--text-muted); padding: 5px 13px; border-radius: var(--radius-pill); transition: all var(--dur-fast); }
.pa-unit button.is-active { background: #fff; color: var(--color-primary); box-shadow: var(--shadow-xs); }

/* FAQ (home) — native details/summary, crawlable */
.pa-faq { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.pa-faq__item { border: 1.5px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface-card); overflow: hidden; transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.pa-faq__item[open] { border-color: var(--pa-blue-200); box-shadow: var(--shadow-sm); }
.pa-faq__q { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; font-weight: var(--fw-bold); font-size: 16.5px; color: var(--text-strong); }
.pa-faq__q::-webkit-details-marker { display: none; }
.pa-faq__q i { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; transition: transform var(--dur-base) var(--ease-standard); }
.pa-faq__item[open] .pa-faq__q i { transform: rotate(45deg); }
.pa-faq__a { padding: 0 22px 20px; color: var(--text-body); font-size: 15.5px; line-height: 1.75; margin: 0; }

/* per-fuel-type input cards (home calculator) */
.pa-fcards { display: flex; flex-direction: column; gap: 12px; }
.pa-fcard { border: 1.5px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 16px 18px; background: var(--surface-card); transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.pa-fcard.is-active { border-color: var(--pa-blue-200); box-shadow: var(--shadow-xs); }
.pa-fcard__head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pa-fcard__ico { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: var(--radius-sm); background: var(--color-primary-soft); color: var(--color-primary); flex-shrink: 0; }
.pa-fcard__ico i { width: 18px; height: 18px; }
.pa-fcard__nm { font-weight: var(--fw-extrabold); font-size: 16px; color: var(--text-strong); }
.pa-fcard__pr { margin-inline-start: auto; font-size: 12.5px; font-weight: var(--fw-bold); color: var(--text-muted); font-family: var(--font-numeric); }
.pa-fcard__inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pa-fcard__inputs label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; font-weight: var(--fw-semibold); color: var(--text-muted); }
.pa-fcard__inputs input { width: 100%; height: 44px; padding: 0 14px; border: 1.5px solid var(--border-default); border-radius: var(--radius-md); font-family: var(--font-numeric); font-size: 16px; font-weight: var(--fw-bold); color: var(--text-strong); background: var(--surface-card); transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.pa-fcard__inputs input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--ring); }
@media (max-width: 520px) { .pa-fcard__inputs { grid-template-columns: 1fr; } }

@media (max-width: 860px) {
  .pa-hcalc { grid-template-columns: 1fr; }
  .pa-hcalc__big { font-size: 44px; }
}

/* ============================================================================
   About — timeline
   ============================================================================ */
.pa-timeline { position: relative; max-width: 820px; margin: 0 auto; padding-inline-start: 0; }
.pa-tl { position: relative; display: grid; grid-template-columns: 110px 1fr; gap: 26px; padding-bottom: 36px; }
.pa-tl:last-child { padding-bottom: 0; }
.pa-tl__year { font-family: var(--font-numeric); font-weight: 800; font-size: 26px; color: var(--color-primary); text-align: end; padding-top: 2px; }
html[lang="ar"] .pa-tl__year { font-family: var(--font-arabic); }
.pa-tl__line { position: relative; }
.pa-tl__dot { width: 18px; height: 18px; border-radius: 50%; background: var(--color-primary); border: 4px solid var(--pa-blue-100); position: absolute; inset-inline-start: -9px; top: 4px; }
.pa-tl__line::before { content: ""; position: absolute; inset-inline-start: 0; top: 18px; bottom: -36px; width: 2px; background: var(--border-default); }
.pa-tl:last-child .pa-tl__line::before { display: none; }
.pa-tl__body { padding-inline-start: 24px; }
.pa-tl__body h3 { font-size: 19px; margin-bottom: 8px; }
.pa-tl__body p { margin: 0; font-size: 15px; line-height: 1.75; color: var(--text-muted); }
.pa-founders { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.pa-founder { display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.pa-founder__av { width: 48px; height: 48px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; }

/* blog cards */
.pa-blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pa-blogcard { background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--dur-base), box-shadow var(--dur-base); display: flex; flex-direction: column; }
.pa-blogcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pa-blogcard__cover { height: 160px; background: linear-gradient(135deg, var(--pa-blue-600), var(--pa-blue-400)); display: flex; align-items: center; justify-content: center; }
.pa-blogcard__cover svg { width: 44px; height: 44px; color: rgba(255,255,255,.85); }
.pa-blogcard__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.pa-blogcard__cat { font-size: 12px; font-weight: var(--fw-bold); color: var(--color-primary); text-transform: uppercase; letter-spacing: .04em; }
.pa-blogcard__body h3 { font-size: 18px; margin: 8px 0 10px; }
.pa-blogcard__body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin: 0 0 14px; flex: 1; }
.pa-blogcard__meta { font-size: 12.5px; color: var(--text-subtle); }
.pa-empty { text-align: center; padding: 72px 24px; color: var(--text-subtle); }
.pa-empty svg { width: 56px; height: 56px; margin-bottom: 16px; }

@media (max-width: 860px) {
  .pa-blog-grid { grid-template-columns: 1fr; }
  .pa-tl { grid-template-columns: 64px 1fr; gap: 14px; }
  .pa-tl__year { font-size: 18px; }
}

/* ============================================================================
   Footer
   ============================================================================ */
.pa-footer { background: var(--color-primary); color: #fff; }
.pa-footer__top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 36px; padding: 60px 0 36px; }
.pa-footer__brand img { height: 26px; margin-bottom: 16px; }
.pa-footer__brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.78); max-width: 260px; }
.pa-footer h4 { color: #fff; font-size: 15px; font-weight: var(--fw-bold); margin-bottom: 16px; }
.pa-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.pa-footer ul a { font-size: 14px; color: rgba(255,255,255,.8); }
.pa-footer ul a:hover { color: #fff; }
.pa-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid rgba(255,255,255,.2); padding: 22px 0 32px; }
.pa-footer__social { display: flex; gap: 14px; }
.pa-footer__social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.12); display: inline-flex; align-items: center; justify-content: center; }
.pa-footer__social a:hover { background: rgba(255,255,255,.24); }
.pa-footer__social svg { width: 18px; height: 18px; color: #fff; }
.pa-footer__copy { font-size: 13px; color: rgba(255,255,255,.8); }

/* ============================================================================
   Forms
   ============================================================================ */
.pa-field { display: flex; flex-direction: column; gap: 7px; }
.pa-label { font-size: 14px; font-weight: var(--fw-semibold); color: var(--text-strong); }
.pa-label .req { color: var(--color-danger); }
.pa-input, .pa-select, .pa-textarea {
  width: 100%; height: 48px; padding: 0 14px; font-family: inherit; font-size: 15px;
  color: var(--text-strong); background: #fff; border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md); outline: none; transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.pa-textarea { height: auto; min-height: 120px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.pa-input:focus, .pa-select:focus, .pa-textarea:focus { border-color: var(--color-primary); box-shadow: var(--ring); }
.pa-input.is-error, .pa-select.is-error, .pa-textarea.is-error { border-color: var(--color-danger); }
.pa-err { font-size: 12.5px; color: var(--color-danger); min-height: 1px; }
.pa-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* success toast/banner */
.pa-success { display: none; align-items: center; gap: 12px; padding: 16px 18px; background: var(--color-success-soft); border-inline-start: 4px solid var(--color-success); border-radius: var(--radius-md); color: var(--pa-green-700); font-weight: var(--fw-semibold); }
.pa-success.is-show { display: flex; }
.pa-success svg { width: 22px; height: 22px; color: var(--color-success); flex-shrink: 0; }

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 980px) {
  .pa-nav, .pa-header__actions .pa-btn { display: none; }
  .pa-burger { display: inline-flex; }
  .pa-hero__grid { grid-template-columns: 1fr; gap: 36px; padding: 52px 0 48px; }
  .pa-hero h1 { font-size: 38px; }
  .pa-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pa-grid-3 { grid-template-columns: 1fr; }
  .pa-stats__grid { grid-template-columns: repeat(2, 1fr); }
  .pa-footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .pa-form-grid { grid-template-columns: 1fr; }
  .pa-section { padding: 60px 0; }
  .pa-sec-head h2 { font-size: 28px; }
}
@media (max-width: 560px) {
  .pa-container { padding: 0 20px; }
  .pa-grid-4, .pa-grid-2, .pa-stats__grid { grid-template-columns: 1fr; }
  .pa-hero h1 { font-size: 32px; }
  .pa-ctaband { padding: 40px 24px; }
  .pa-footer__top { grid-template-columns: 1fr; }
  .pa-footer__bottom { flex-direction: column; align-items: flex-start; }
}