/* =========================================================
   Water Purifier Landing — Design System
   Concept: "Laboratory clarity" — deep navy depths, caustic light,
   datasheet typography. RTL / Persian first. Mobile first.
   ========================================================= */

/* ---------- Fonts (local only) ----------
   Dana is a commercial font: drop the licensed woff2 files into
   /assets/fonts/dana/ with the names below. Until then Vazirmatn (OFL,
   bundled) is used automatically. */
@font-face{font-family:"VazirFD";src:url("../fonts/vazirmatn/Vazirmatn-FD-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"VazirFD";src:url("../fonts/vazirmatn/Vazirmatn-FD-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"VazirFD";src:url("../fonts/vazirmatn/Vazirmatn-FD-Black.woff2") format("woff2");font-weight:900;font-display:swap}

:root{
  --navy-950:#04131f;
  --navy-900:#071e30;
  --navy-800:#0b2c45;
  --blue-700:#0b5c8f;
  --blue-500:#1590c9;
  --cyan-400:#36c6d9;
  --cyan-200:#a8ecf2;
  --ice-50:#f3f9fb;
  --ice-100:#e6f2f6;
  --gray-200:#d7e2e8;
  --gray-500:#5b7183;
  --ink:#0d2233;
  --accent:#ff8a3d;          /* CTA — warm contrast to cool palette */
  --accent-ink:#2a1203;
  --wa:#1fa855;
  --bale:#0aa8a0;
  --model:var(--cyan-400);   /* overridden per product page */

  --radius-s:10px;
  --radius-m:18px;
  --radius-l:28px;
  --shadow-1:0 1px 2px rgba(4,19,31,.06),0 6px 24px -8px rgba(4,19,31,.16);
  --shadow-2:0 2px 4px rgba(4,19,31,.08),0 24px 60px -20px rgba(4,19,31,.35);

  /* Spring easing (approximated with linear()) — Apple-style settle */
  --spring:linear(0,.009,.035 2.1%,.141,.281 6.7%,.723 12.9%,.938 16.7%,1.017,1.077,1.121,1.149 24.3%,1.159,1.163,1.161,1.154 29.9%,1.129 32.8%,1.051 39.6%,1.017 43.1%,.991,.977 51%,.974 53.8%,.975 57.1%,.997 69.8%,1.003 76.9%,1);
  --ease-out:cubic-bezier(.2,.8,.2,1);

  --font:"Dana","VazirFD",Tahoma,system-ui,sans-serif;
  --maxw:1200px;
  --gutter:16px;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.9;color:var(--ink);background:var(--ice-50);overflow-x:hidden;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue-700);text-decoration-thickness:1px;text-underline-offset:4px}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:900;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{padding-inline-start:1.2em;margin:0 0 1em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:10px;z-index:200;font-weight:700}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.num{font-feature-settings:"tnum";direction:ltr;unicode-bidi:isolate;display:inline-block}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(4,19,31,.78);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(168,236,242,.12)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:900;font-size:1.05rem}
.brand svg{width:34px;height:34px}
.nav{display:none}
.nav a{color:#cfe9f0;text-decoration:none;font-size:.95rem;padding:8px 10px;border-radius:10px;transition:background .25s var(--ease-out),color .25s}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.header-cta{display:flex;gap:8px;align-items:center}
.menu-btn{width:44px;height:44px;border-radius:12px;border:1px solid rgba(168,236,242,.25);background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer}
.menu-btn span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;box-shadow:0 6px 0 currentColor,0 -6px 0 currentColor}
.mobile-nav{position:fixed;inset:64px 0 auto 0;background:var(--navy-950);padding:16px var(--gutter) 24px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:transform .45s var(--spring),opacity .2s,visibility 0s .45s;border-bottom:1px solid rgba(168,236,242,.15);max-height:calc(100dvh - 64px);overflow:auto}
.mobile-nav.open{transform:none;opacity:1;visibility:visible;transition:transform .45s var(--spring),opacity .2s,visibility 0s}
.mobile-nav a{display:block;color:#e7f6f9;text-decoration:none;padding:12px 6px;border-bottom:1px solid rgba(255,255,255,.07);font-size:1.02rem}
@media (min-width:1024px){.nav{display:flex;gap:2px}.menu-btn,.mobile-nav{display:none}}

/* ---------- Buttons ---------- */
.btn{--b:var(--accent);display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;font:inherit;font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;border:0;transition:transform .5s var(--spring),box-shadow .3s var(--ease-out),background .25s;will-change:transform;-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.96);transition-duration:.12s}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 30px -10px rgba(255,138,61,.7)}
.btn-primary:hover{box-shadow:0 16px 40px -12px rgba(255,138,61,.85);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(168,236,242,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-line{background:#fff;color:var(--navy-900);border:1px solid var(--gray-200)}
.btn-line:hover{border-color:var(--blue-500)}
.btn-sm{min-height:42px;padding:0 16px;font-size:.92rem}
.btn svg{width:20px;height:20px;flex:none}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:radial-gradient(120% 90% at 85% 0%,#0f4e74 0%,transparent 60%),radial-gradient(90% 70% at 0% 100%,#0a3a55 0%,transparent 55%),var(--navy-950);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-20%;z-index:-1;background:
  radial-gradient(circle at 20% 30%,rgba(54,198,217,.18) 0 2px,transparent 3px) 0 0/46px 46px;
  mask-image:radial-gradient(70% 60% at 70% 40%,#000,transparent);opacity:.6}
.caustics{position:absolute;inset:0;z-index:-1;opacity:.18;pointer-events:none;mix-blend-mode:screen}
.caustics svg{width:100%;height:100%}
.hero .wrap{display:grid;gap:28px;padding-block:44px 64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:var(--cyan-200);background:rgba(54,198,217,.12);border:1px solid rgba(54,198,217,.3);padding:6px 14px;border-radius:999px;margin-bottom:14px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 0 4px rgba(54,198,217,.2)}
.hero h1{font-size:clamp(1.85rem,6.4vw,3.4rem);margin-bottom:.4em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan-200),var(--model));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(1rem,2.6vw,1.15rem);color:#c7dde6;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px;padding:0;list-style:none}
.hero-facts li{background:rgba(255,255,255,.05);border:1px solid rgba(168,236,242,.14);border-radius:var(--radius-s);padding:12px 14px}
.hero-facts b{display:block;font-size:1.35rem;font-weight:900;color:#fff;line-height:1.3}
.hero-facts span{font-size:.82rem;color:#9ec3d0}
.hero-visual{position:relative;justify-self:center;width:min(100%,460px);aspect-ratio:1/1.05}
.hero-visual .halo{position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle,rgba(54,198,217,.35),transparent 65%);filter:blur(10px);animation:breathe 7s ease-in-out infinite}
.hero-visual img{position:relative;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45))}
.placeholder-note{position:absolute;bottom:4px;inset-inline:0;text-align:center;font-size:.72rem;color:#7ea7b6}
@media (min-width:900px){.hero .wrap{grid-template-columns:1.15fr .85fr;align-items:center;padding-block:72px 96px}.hero-facts{grid-template-columns:repeat(4,minmax(0,1fr))}}
.wave-sep{display:block;width:100%;height:56px;margin-top:-1px;color:var(--ice-50)}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:.85rem;color:#9ec3d0;margin-bottom:14px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li+li::before{content:"‹";margin-inline-end:6px;color:#5f8796}
.crumbs a{color:#cfe9f0;text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* ---------- Sections ---------- */
section{padding-block:56px}
@media (min-width:900px){section{padding-block:88px}}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head .kicker{display:block;font-size:.85rem;font-weight:700;color:var(--blue-500);letter-spacing:.02em;margin-bottom:6px}
.sec-head h2{font-size:clamp(1.45rem,4.4vw,2.2rem)}
.sec-head p{color:var(--gray-500);font-size:1.02rem}
.dark{background:var(--navy-900);color:#e7f3f7}
.dark .sec-head p{color:#9ec3d0}
.dark .sec-head .kicker{color:var(--cyan-400)}
.tint{background:linear-gradient(180deg,var(--ice-100),var(--ice-50))}

/* ---------- Value strip ---------- */
.values{display:grid;gap:12px;grid-template-columns:1fr}
.value{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-m);padding:18px}
.value .ico{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--ice-100);color:var(--blue-700)}
.value .ico svg{width:24px;height:24px}
.value h3{font-size:1.02rem;margin-bottom:.2em}
.value p{margin:0;color:var(--gray-500);font-size:.93rem;line-height:1.8}
@media (min-width:640px){.values{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.values{grid-template-columns:repeat(4,1fr)}}

/* ---------- Product cards (hub) ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{font:inherit;font-size:.9rem;border:1px solid var(--gray-200);background:#fff;color:var(--ink);padding:8px 16px;border-radius:999px;cursor:pointer;min-height:42px;transition:background .25s,color .25s,border-color .25s,transform .4s var(--spring)}
.chip[aria-pressed="true"]{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}
.chip:active{transform:scale(.95)}
.grid-products{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:640px){.grid-products{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.grid-products{grid-template-columns:repeat(4,1fr)}}
.pcard{--c:var(--cyan-400);position:relative;display:flex;flex-direction:column;background:#fff;border-radius:var(--radius-l);border:1px solid var(--gray-200);overflow:hidden;text-decoration:none;color:inherit;transition:transform .6s var(--spring),box-shadow .35s var(--ease-out),border-color .3s;will-change:transform}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:transparent}
.pcard:active{transform:scale(.98)}
.pcard .media{position:relative;aspect-ratio:4/3;background:radial-gradient(80% 80% at 50% 30%,color-mix(in srgb,var(--c) 22%,#fff),var(--ice-100));display:grid;place-items:center;padding:14px}
.pcard .media img{width:78%;height:auto;transition:transform .7s var(--spring)}
.pcard:hover .media img{transform:translateY(-4px) scale(1.03)}
.pcard .badge{position:absolute;top:12px;inset-inline-start:12px;font-size:.75rem;font-weight:700;background:rgba(4,19,31,.85);color:#fff;padding:4px 10px;border-radius:999px}
.pcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard h3{font-size:1.08rem;margin:0}
.pcard .brandline{font-size:.8rem;color:var(--gray-500)}
.pcard ul{list-style:none;padding:0;margin:6px 0 10px;display:flex;flex-wrap:wrap;gap:6px}
.pcard ul li{font-size:.78rem;background:var(--ice-100);border-radius:8px;padding:3px 9px;color:var(--navy-800)}
.pcard .more{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:.92rem;color:var(--blue-700)}
.pcard .more svg{width:20px;height:20px;transition:transform .5s var(--spring)}
.pcard:hover .more svg{transform:translateX(-5px)}
.pcard[hidden]{display:none}

/* ---------- Filtration stage explorer (signature element) ---------- */
.stages{display:grid;gap:22px}
@media (min-width:900px){.stages{grid-template-columns:.9fr 1.1fr;align-items:start}}
.stage-rail{position:relative;list-style:none;padding:0;margin:0;display:grid;gap:8px}
.stage-rail::before{content:"";position:absolute;inset-inline-start:27px;top:20px;bottom:20px;width:2px;background:linear-gradient(var(--cyan-400),var(--blue-700));opacity:.5}
.stage-btn{position:relative;width:100%;display:flex;align-items:center;gap:14px;text-align:start;font:inherit;color:#e7f3f7;background:rgba(255,255,255,.04);border:1px solid rgba(168,236,242,.12);border-radius:16px;padding:10px 14px 10px 10px;cursor:pointer;transition:background .3s,border-color .3s,transform .5s var(--spring)}
.stage-btn:hover{background:rgba(255,255,255,.07)}
.stage-btn:active{transform:scale(.98)}
.stage-btn[aria-selected="true"]{background:rgba(54,198,217,.14);border-color:rgba(54,198,217,.55)}
.stage-btn .dot{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:900;background:var(--navy-800);border:2px solid var(--cyan-400);color:#fff;z-index:1;font-size:.95rem}
.stage-btn[aria-selected="true"] .dot{background:var(--cyan-400);color:var(--navy-950)}
.stage-btn b{display:block;font-size:.98rem}
.stage-btn small{display:block;color:#9ec3d0;font-size:.8rem;line-height:1.6}
.stage-panel{background:linear-gradient(160deg,rgba(54,198,217,.12),rgba(255,255,255,.03));border:1px solid rgba(168,236,242,.18);border-radius:var(--radius-l);padding:22px;min-height:100%}
.stage-panel[hidden]{display:none}
.stage-panel h3{font-size:1.25rem;color:#fff}
.stage-panel p{color:#c7dde6}
.stage-panel .tag{display:inline-block;font-size:.78rem;background:rgba(255,255,255,.08);color:var(--cyan-200);padding:3px 10px;border-radius:999px;margin-inline-end:6px;margin-bottom:6px}
.stage-panel.enter{animation:panelIn .55s var(--spring)}
.droplet-track{height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin:14px 0 4px}
.droplet-track span{display:block;height:100%;width:var(--p,20%);background:linear-gradient(90deg,var(--cyan-400),var(--cyan-200));border-radius:6px;transition:width .7s var(--spring)}

/* ---------- Datasheet ---------- */
.sheet{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1)}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 20px;background:var(--navy-900);color:#fff}
.sheet-head h3{margin:0;font-size:1.05rem}
.sheet-head .stamp{font-size:.75rem;border:1px dashed rgba(168,236,242,.5);color:var(--cyan-200);padding:3px 10px;border-radius:8px}
.sheet table{width:100%;border-collapse:collapse;font-size:.95rem}
.sheet th,.sheet td{text-align:start;padding:12px 20px;border-bottom:1px solid var(--ice-100);vertical-align:top}
.sheet th{width:42%;font-weight:700;color:var(--navy-800);background:#fbfdfe}
.sheet tr:last-child th,.sheet tr:last-child td{border-bottom:0}
.sheet td.pending{color:#9a5b1d}
.sheet td.pending::before{content:"● ";color:var(--accent)}
.sheet-foot{padding:12px 20px;font-size:.82rem;color:var(--gray-500);background:#fbfdfe;border-top:1px solid var(--ice-100)}
@media (max-width:520px){.sheet th,.sheet td{display:block;width:100%;padding:8px 16px}.sheet th{padding-top:14px;border-bottom:0;background:transparent;color:var(--gray-500);font-size:.82rem}.sheet td{padding-top:0}}

/* ---------- Prose / article ---------- */
.prose{max-width:760px}
.prose h2{font-size:clamp(1.3rem,3.8vw,1.8rem);margin-top:1.6em}
.prose h3{font-size:1.15rem;margin-top:1.4em}
.prose p,.prose li{color:#24394a}
.two-col{display:grid;gap:32px}
@media (min-width:1000px){.two-col{grid-template-columns:1fr 340px;align-items:start}}
.aside-card{position:sticky;top:88px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-1)}
.aside-card h3{font-size:1.05rem}
.aside-card .btn{width:100%;margin-top:10px}
.aside-card p{color:var(--gray-500);font-size:.92rem}

/* ---------- Fit cards ---------- */
.fit{display:grid;gap:14px}
@media (min-width:760px){.fit{grid-template-columns:repeat(3,1fr)}}
.fit-card{background:#fff;border-radius:var(--radius-m);border:1px solid var(--gray-200);padding:20px}
.fit-card.yes{border-top:4px solid var(--cyan-400)}
.fit-card.no{border-top:4px solid var(--gray-200)}
.fit-card h3{font-size:1rem}
.fit-card ul{margin:0;color:var(--gray-500);font-size:.94rem}

/* ---------- Compare table ---------- */
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-m);border:1px solid var(--gray-200);background:#fff}
.compare{border-collapse:collapse;min-width:720px;width:100%;font-size:.9rem}
.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--ice-100);text-align:start;white-space:nowrap}
.compare thead th{background:var(--navy-900);color:#fff;position:sticky;top:0}
.compare tbody th{font-weight:700}
.compare tr.current{background:color-mix(in srgb,var(--model) 14%,#fff)}
.compare a{font-weight:700;text-decoration:none}

/* ---------- Steps ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
@media (min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-m);padding:20px;position:relative}
.steps li::before{content:counter(s,persian);display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--navy-900);color:var(--cyan-200);font-weight:900;margin-bottom:10px}
.steps h3{font-size:1rem;margin-bottom:.3em}
.steps p{color:var(--gray-500);font-size:.92rem;margin:0}

/* ---------- FAQ ---------- */
.faq{max-width:860px;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-m);overflow:hidden;transition:border-color .3s}
.faq details[open]{border-color:var(--blue-500)}
.faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-inline-end:2px solid var(--blue-700);border-bottom:2px solid var(--blue-700);transform:rotate(45deg);transition:transform .5s var(--spring)}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .ans{padding:0 20px 18px;color:#2c4354}
.faq .ans p:last-child{margin:0}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-l);padding:32px 22px;color:#fff;background:radial-gradient(90% 120% at 100% 0%,#145f88,transparent 60%),var(--navy-900);display:grid;gap:18px}
.cta-band h2{font-size:clamp(1.35rem,4vw,2rem);margin:0}
.cta-band p{color:#bcd6df;margin:0}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:10px}
@media (min-width:900px){.cta-band{grid-template-columns:1.3fr auto;align-items:center;padding:48px}}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:#a9c4cf;padding-top:56px;font-size:.93rem}
.foot-grid{display:grid;gap:28px}
@media (min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.site-footer h3{color:#fff;font-size:1rem}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:#cfe9f0;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.copyright{margin-top:40px;padding-block:20px 96px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:.85rem}
.copyright a{color:var(--cyan-200)}

/* ---------- Floating contact (WhatsApp / Bale / Call) ---------- */
.float-contact{position:fixed;inset-inline-end:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:150;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fab{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;border:0;cursor:pointer;box-shadow:0 12px 28px -8px rgba(0,0,0,.45);transition:transform .5s var(--spring);text-decoration:none;-webkit-tap-highlight-color:transparent}
.fab:hover{transform:scale(1.08)}
.fab:active{transform:scale(.92);transition-duration:.12s}
.fab svg{width:28px;height:28px}
.fab.wa{background:var(--wa)}
.fab.bale{background:var(--bale)}
.fab.call{background:var(--navy-800);border:1px solid rgba(168,236,242,.35)}
.fab.wa::after{content:"";position:absolute;width:56px;height:56px;border-radius:50%;border:2px solid var(--wa);animation:ripple 2.6s ease-out infinite;pointer-events:none}
.fab.wa{position:relative}
.bale-pop{position:fixed;inset-inline-end:84px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:160;width:min(300px,calc(100vw - 100px));background:#fff;border-radius:18px;box-shadow:var(--shadow-2);padding:16px;transform-origin:bottom left;transform:scale(.85);opacity:0;visibility:hidden;transition:transform .5s var(--spring),opacity .2s,visibility 0s .5s}
[dir="rtl"] .bale-pop{transform-origin:bottom left}
.bale-pop.open{transform:none;opacity:1;visibility:visible;transition:transform .5s var(--spring),opacity .2s,visibility 0s}
.bale-pop p{font-size:.9rem;margin:0 0 10px;color:var(--ink)}
.bale-pop .row{display:flex;gap:8px}
.bale-pop .btn{flex:1;min-height:44px;font-size:.88rem;padding:0 10px}
.bale-pop .close{position:absolute;top:8px;inset-inline-end:8px;width:32px;height:32px;border:0;background:transparent;font-size:1.3rem;cursor:pointer;color:var(--gray-500)}
.mobile-bar{position:fixed;inset-inline:0;bottom:0;z-index:140;display:flex;gap:8px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));padding-inline-end:84px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--gray-200);transform:translateY(110%);transition:transform .55s var(--spring)}
.mobile-bar.show{transform:none}
.mobile-bar .btn{flex:1;min-height:48px;padding:0 12px;white-space:nowrap;font-size:.95rem}
@media (min-width:900px){.mobile-bar{display:none}}
@media (max-width:899px){.fab.call{display:none}.fab{width:50px;height:50px}.fab.wa::after{width:50px;height:50px}.mobile-bar{padding-inline-end:78px}.float-contact{bottom:calc(84px + env(safe-area-inset-bottom))}.bale-pop{bottom:calc(150px + env(safe-area-inset-bottom))}}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-out),transform .9s var(--spring)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ---------- Notice ---------- */
.notice{display:flex;gap:10px;align-items:flex-start;background:#fff7ef;border:1px solid #ffd7b8;color:#6b3a12;border-radius:var(--radius-m);padding:14px 16px;font-size:.92rem;margin-top:18px}
.notice svg{flex:none;width:20px;height:20px;margin-top:3px}

@keyframes breathe{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.06);opacity:1}}
@keyframes ripple{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
@keyframes panelIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.wave-anim{animation:drift 18s linear infinite}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* Brand: تصفیه‌شاپ */
.brand-name{letter-spacing:-.2px}
.brand-name b{color:var(--cyan-400);font-weight:900}