@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&display=swap');

/* =========================================================
   WHITE CHALK — PREMIUM GRAPHIC
   Clean / Editorial / Luxury / Responsive
========================================================= */

:root{
  --bg:#f6f6f2;
  --paper:#fff;
  --soft:#ecece6;
  --ink:#151515;
  --muted:#74746d;
  --line:#deded6;
  --gold:#a1844d;
  --gold-light:#c9af7a;
  --black:#0e0f0d;
  --black-soft:#191a17;
  --radius:26px;
  --shadow:0 24px 70px rgba(15,15,12,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  direction:rtl;min-height:100vh;overflow-x:hidden;
  color:var(--ink);background:var(--bg);
  font-family:"Vazirmatn",Tahoma,Arial,sans-serif;
  line-height:1.9;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  opacity:.16;background-image:radial-gradient(#aaa .55px,transparent .55px);
  background-size:19px 19px;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--ink);color:#fff}
::-webkit-scrollbar{width:7px}
::-webkit-scrollbar-track{background:#e9e9e3}
::-webkit-scrollbar-thumb{background:#20211e;border-radius:99px}

/* Loader */
.loader{
  position:fixed;inset:0;z-index:9999;display:grid;place-items:center;
  background:var(--black);color:#fff;
  transition:opacity .7s ease,visibility .7s ease;
}
.loaded .loader{opacity:0;visibility:hidden;pointer-events:none}
.loader-content{width:min(330px,80vw);text-align:center}
.loader-logo{font-size:36px;font-weight:900;letter-spacing:5px}
.loader-logo span{color:var(--gold-light)}
.loader-subtitle{margin-top:3px;color:#999;font:9px Arial,sans-serif;letter-spacing:4px}
.loader-line{height:2px;margin-top:24px;overflow:hidden;background:#292a27}
.loader-line span{display:block;width:0;height:100%;background:var(--gold-light);animation:load 1.35s ease forwards}
@keyframes load{to{width:100%}}

/* Header */
.header{
  position:fixed;top:18px;right:4%;left:4%;z-index:1000;
  min-height:70px;padding:9px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:25px;
  background:rgba(255,255,255,.84);
  border:1px solid rgba(20,20,20,.08);border-radius:20px;
  box-shadow:0 12px 42px rgba(0,0,0,.07);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.logo{font-size:19px;font-weight:900;letter-spacing:2px;white-space:nowrap}
.logo span{color:var(--gold)}
.logo::after{content:"";display:block;width:30px;height:2px;margin-top:3px;background:var(--ink)}
.navigation{display:flex;align-items:center;justify-content:center;gap:27px}
.navigation a{
  position:relative;display:flex;flex-direction:column;align-items:center;
  color:#52524c;font-size:11px;transition:all .3s var(--ease);
}
.navigation a small{direction:ltr;font:8px Arial,sans-serif;letter-spacing:1px;opacity:.42}
.navigation a::after{
  content:"";position:absolute;right:50%;bottom:-8px;width:0;height:2px;
  background:var(--gold);transform:translateX(50%);transition:width .3s var(--ease);
}
.navigation a:hover{color:var(--ink);transform:translateY(-2px)}
.navigation a:hover::after{width:24px}
.header-call{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:92px;padding:9px 15px;border-radius:13px;
  color:#fff;background:var(--ink);font-size:10px;font-weight:800;
  transition:all .3s var(--ease);
}
.header-call small{direction:ltr;font:8px Arial,sans-serif;opacity:.45}
.header-call:hover{background:var(--gold);transform:translateY(-2px)}

/* Hero */
.hero{
  position:relative;min-height:100vh;padding:155px 9% 90px;
  display:grid;grid-template-columns:1fr 1fr;align-items:center;
  gap:70px;overflow:hidden;
}
.hero-background{
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(circle at 76% 35%,rgba(201,175,122,.24),transparent 24%),
    radial-gradient(circle at 12% 82%,rgba(0,0,0,.055),transparent 28%),
    linear-gradient(135deg,#fbfbf8,#f0f0ea);
}
.hero-background::before{
  content:"";position:absolute;width:570px;height:570px;
  left:-280px;bottom:-290px;border:1px solid rgba(0,0,0,.08);border-radius:50%;
  box-shadow:0 0 0 75px rgba(0,0,0,.017),0 0 0 150px rgba(0,0,0,.01);
}
.hero-content{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-size:10px;font-weight:800;letter-spacing:2px}
.eyebrow::before{content:"";width:31px;height:1px;background:currentColor}
.hero h1{
  max-width:760px;margin:18px 0;color:var(--ink);
  font-size:clamp(48px,7vw,88px);font-weight:900;line-height:1.04;letter-spacing:-2.5px;
}
.hero h1 span{display:block;color:var(--gold)}
.hero-description{max-width:650px;color:var(--muted);font-size:14px;line-height:2.25}
.hero-buttons{display:flex;align-items:center;gap:12px;margin-top:30px}
.button{
  min-height:52px;padding:9px 25px;display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:1px;border:1px solid transparent;
  border-radius:13px;font-size:11px;font-weight:800;transition:all .35s var(--ease);
}
.button small{direction:ltr;font:8px Arial,sans-serif;letter-spacing:1px;opacity:.45}
.button-gold{color:#fff;background:var(--ink);box-shadow:0 14px 35px rgba(0,0,0,.12)}
.button-gold:hover{color:#fff;background:var(--gold);transform:translateY(-4px)}
.button-outline{color:var(--ink);background:rgba(255,255,255,.55);border-color:#cecec5}
.button-outline:hover{border-color:var(--ink);transform:translateY(-4px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:20px;margin-top:27px}
.hero-tags span{color:#989891;font:8px Arial,sans-serif;letter-spacing:2px}

.hero-product{position:relative;min-height:590px;display:grid;place-items:center}
.product-glow{
  position:absolute;width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,175,122,.32),rgba(255,255,255,.05) 58%,transparent 73%);
  animation:glow 4s ease-in-out infinite;
}
@keyframes glow{50%{transform:scale(1.06);opacity:.8}}
.hero-image{
  position:relative;z-index:2;width:min(78%,500px);max-height:610px;
  object-fit:contain;border-radius:22px;
  filter:drop-shadow(0 32px 48px rgba(0,0,0,.18));
  animation:float 5s ease-in-out infinite;
}
@keyframes float{50%{transform:translateY(-14px) rotate(.35deg)}}
.product-label{
  position:absolute;right:3%;bottom:52px;z-index:4;min-width:125px;
  padding:12px 17px;color:#fff;background:rgba(14,15,13,.95);
  border-radius:13px;box-shadow:var(--shadow);font-size:10px;font-weight:900;letter-spacing:1.2px;
}
.product-label small{display:block;margin-top:2px;color:var(--gold-light);font:7px Arial,sans-serif;letter-spacing:1.5px}

/* Sections */
.section{position:relative;padding:110px 9%;border-top:1px solid rgba(0,0,0,.055)}
.section-title{max-width:780px;margin:0 auto 55px;text-align:center}
.section-title h2{margin:9px 0;font-size:clamp(32px,5vw,58px);font-weight:900;line-height:1.18;letter-spacing:-1.4px}
.section-title p{color:var(--muted);font-size:12px}

/* Intro */
.intro-content{display:grid;grid-template-columns:1.45fr .8fr;gap:55px;align-items:center}
.intro-text{line-height:2.15}
.intro-text h3{font-size:28px}
.intro-text p{margin-top:16px;color:#5e5e58}
.intro-highlight{
  position:relative;overflow:hidden;padding:34px;color:#fff;
  background:var(--black);border-radius:var(--radius);box-shadow:var(--shadow);
}
.intro-highlight::before{
  content:"";position:absolute;width:190px;height:190px;left:-75px;bottom:-75px;
  border:1px solid rgba(255,255,255,.11);border-radius:50%;
}
.intro-highlight strong{font-size:18px}
.intro-highlight p{position:relative;color:#bdbdb5;font-size:12px}
.intro-features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}
.feature-item{
  padding:19px;background:var(--paper);border:1px solid var(--line);
  border-radius:17px;transition:all .35s var(--ease);
}
.feature-item:hover{transform:translateY(-6px);border-color:#bbb5a6;box-shadow:var(--shadow)}
.feature-item strong{display:block;font-size:12px}
.feature-item span{display:block;margin-top:4px;color:var(--muted);direction:ltr;font:8px Arial,sans-serif}

/* Guarantee */
.guarantee-section{padding:90px 9%}
.guarantee-box{
  position:relative;max-width:1100px;margin:auto;padding:58px;overflow:hidden;
  color:#fff;background:var(--black);border-radius:32px;box-shadow:0 28px 75px rgba(0,0,0,.15);
}
.guarantee-box::after{
  content:"";position:absolute;width:370px;height:370px;left:-155px;top:-155px;
  border:1px solid rgba(201,175,122,.2);border-radius:50%;
  box-shadow:0 0 0 55px rgba(201,175,122,.025),0 0 0 110px rgba(201,175,122,.015);
}
.guarantee-icon{font-size:30px}
.guarantee-box h2{max-width:760px;margin-top:8px;font-size:clamp(27px,4vw,46px);line-height:1.4}
.course-highlight{
  position:relative;z-index:2;margin-top:30px;padding:24px;
  background:rgba(255,255,255,.035);border:1px solid rgba(201,175,122,.28);border-radius:19px;
}
.highlight-icon{font-size:22px}
.course-highlight h3{margin-top:7px;font-size:19px}
.course-highlight h3 small{display:block;margin-top:5px;direction:ltr;text-align:left;font:10px Arial,sans-serif;opacity:.5}
.course-highlight p{color:#bdbdb5;font-size:12px}
.guarantee-badge{
  position:absolute;left:45px;bottom:45px;width:90px;height:90px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--gold-light);border:1px solid rgba(201,175,122,.55);border-radius:50%;
  transform:rotate(-10deg);
}
.guarantee-badge strong{font-size:18px}
.guarantee-badge span{font:7px Arial,sans-serif;letter-spacing:1px}

/* Cards */
.ingredients-section{background:var(--soft)}
.ingredients-grid,.benefits-grid,.usage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ingredient-card,.benefit-card,.usage-card{
  position:relative;overflow:hidden;background:var(--paper);
  border:1px solid var(--line);transition:all .35s var(--ease);
}
.ingredient-card:hover,.benefit-card:hover,.usage-card:hover{
  transform:translateY(-7px);border-color:#bdb5a4;box-shadow:var(--shadow);
}
.ingredient-card{min-height:245px;padding:29px;border-radius:21px}
.ingredient-card::after{
  content:"";position:absolute;width:145px;height:145px;left:-60px;bottom:-60px;
  border-radius:50%;background:#f0eee7;transition:transform .45s var(--ease);
}
.ingredient-card:hover::after{transform:scale(1.8)}
.ingredient-icon{
  position:relative;z-index:1;width:56px;height:56px;display:grid;place-items:center;
  color:var(--gold);border:1px solid #b9aa8b;border-radius:16px;font-size:12px;font-weight:900;
}
.ingredient-card h3,.ingredient-card p{position:relative;z-index:1}
.ingredient-card h3{margin:20px 0 7px;font-size:18px}
.ingredient-card p{color:var(--muted);font-size:11px}
.benefits-section{background:#fafaf7}
.benefit-card{min-height:210px;padding:29px;border-radius:21px}
.benefit-icon{
  width:51px;height:51px;display:grid;place-items:center;color:#fff;
  background:var(--black);border-radius:15px;font-size:19px;
}
.benefit-card h3{margin-top:18px;font-size:17px}
.benefit-card p{margin-top:9px;color:var(--muted);font-size:11px}
.benefit-card .en-title{font-size:9px}

/* Usage */
.usage-card{min-height:230px;padding:35px 28px;border-radius:23px}
.usage-card.featured{color:#fff;background:var(--black);border-color:var(--black)}
.usage-number{position:absolute;left:22px;top:18px;color:var(--gold);font:800 10px Arial,sans-serif}
.usage-icon{font-size:28px}
.usage-card h3{margin-top:12px;font-size:19px}
.usage-card p{margin-top:10px;color:var(--muted);font-size:11px}
.usage-card.featured p{color:#bcbcb5}
.usage-warning{
  margin-top:25px;padding:18px 20px;color:#696961;background:#efefe9;
  border-right:3px solid var(--gold);border-radius:0 13px 13px 0;font-size:11px;
}
.usage-warning strong{color:var(--ink)}

/* Gallery */
.gallery-section{color:#fff;background:var(--black)}
.gallery-section .section-title h2{color:#fff}
.gallery-section .section-title p{color:#aaa}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.gallery-grid.three-images .gallery-item:last-child{grid-column:1/-1}
.gallery-item{
  position:relative;height:500px;overflow:hidden;background:var(--black-soft);border-radius:25px;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .85s var(--ease)}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(0,0,0,.82),transparent 58%);
}
.gallery-caption{
  position:absolute;right:22px;left:22px;bottom:20px;z-index:3;padding:14px 17px;
  background:rgba(17,18,15,.62);border:1px solid rgba(255,255,255,.12);
  border-radius:15px;backdrop-filter:blur(13px);
}
.gallery-caption span{display:block;font-weight:800}
.gallery-caption small{display:block;margin-top:3px;direction:ltr;text-align:left;font:9px Arial,sans-serif;opacity:.55}

/* CTA */
.cta{
  position:relative;margin:0 9% 100px;padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  overflow:hidden;background:#e8e7df;border-radius:30px;
}
.cta::before{
  content:"";position:absolute;width:320px;height:320px;left:-145px;top:-145px;
  border:1px solid rgba(0,0,0,.08);border-radius:50%;
}
.cta-content{position:relative;z-index:2}
.cta h2{max-width:700px;margin-top:8px;font-size:clamp(23px,4vw,40px);line-height:1.45}
.large-button{position:relative;z-index:2;min-width:220px}

/* FAQ */
.faq-section{padding-top:90px}
.faq-container{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;padding:22px 5px;cursor:pointer;list-style:none;
  color:var(--ink);font-size:14px;font-weight:800;transition:color .3s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"+";position:absolute;left:5px;color:var(--gold);font:300 22px Arial,sans-serif}
.faq-item[open] summary{color:var(--gold)}
.faq-item[open] summary::before{content:"−"}
.faq-item summary span{display:block;margin-top:2px;direction:ltr;text-align:left;font:9px Arial,sans-serif;opacity:.45}
.faq-item p{max-width:800px;padding:0 5px 22px;color:var(--muted);font-size:12px}
.faq-phone{display:inline-block;margin:0 5px 25px;color:var(--gold);font-weight:800}

/* Notice / Footer */
.notice{
  margin:0 9% 75px;padding:20px 24px;color:#73736c;background:#eeeee8;
  border-right:3px solid var(--gold);border-radius:0 14px 14px 0;font-size:11px;
}
.notice strong{color:var(--ink)}
.footer{
  min-height:120px;padding:35px 9%;display:flex;align-items:center;justify-content:space-between;
  gap:20px;color:#777;background:#f1f1eb;border-top:1px solid var(--line);
}
.footer-logo{color:var(--ink);font-size:19px;font-weight:900;letter-spacing:2px}
.footer-logo span{color:var(--gold)}
.footer a{color:var(--ink);font-weight:800}
.footer p small{display:block;margin-top:5px;direction:ltr;font:9px Arial,sans-serif;opacity:.5}
.designer-credit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;

    margin-top: 25px;
}

.designer-label {
    font-size: 13px;
    color: var(--text-secondary, #777);
}

.designer-credit strong {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.7px;

    color: #b88a1c;
}

.designer-phone {
    display: flex;
    align-items: center;
    gap: 7px;

    direction: ltr;

    color: var(--text-secondary, #777);

    font-size: 13px;
    text-decoration: none;

    transition: 0.3s ease;
}

.designer-phone i {
    color: #c39a28;
}

.designer-phone:hover {
    color: #b88a1c;
}
/* Text utilities */
.en-text,.en-title{display:block;direction:ltr;text-align:left;font-family:Arial,Helvetica,sans-serif}
.en-title{margin-top:7px;font-size:.48em;font-weight:400;opacity:.52}
.en-text{margin-top:10px;font-size:.82em;line-height:1.8;opacity:.55}
.gold-line{width:100%;height:1px;background:linear-gradient(90deg,transparent,#a9956d,transparent)}
.red-glow{position:absolute;width:200px;height:200px;background:rgba(120,20,20,.055);filter:blur(80px);pointer-events:none}

/* Reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s var(--ease)}
.reveal.show{opacity:1;transform:translateY(0)}
.delay{transition-delay:.15s}

/* Tablet */
@media(max-width:1000px){
  .header{right:2%;left:2%;padding:9px 15px;flex-wrap:wrap}
  .navigation{
    order:3;width:100%;justify-content:flex-start;overflow-x:auto;gap:21px;
    padding:2px 4px 5px;scrollbar-width:none;
  }
  .navigation::-webkit-scrollbar{display:none}
  .hero{grid-template-columns:1fr;text-align:center;padding:175px 7% 75px}
  .hero-description{margin:auto}
  .hero-buttons,.hero-tags{justify-content:center}
  .hero-product{min-height:500px}
  .intro-content{grid-template-columns:1fr}
  .ingredients-grid,.benefits-grid,.usage-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-grid.three-images .gallery-item:last-child{grid-column:auto}
  .cta{flex-direction:column;text-align:center}
  .guarantee-badge{position:static;margin:25px auto 0}
  .footer{flex-direction:column;text-align:center}
}

/* Mobile */
@media(max-width:650px){
  .header{top:8px;min-height:60px;border-radius:16px}
  .logo{font-size:16px}
  .header-call{display:none}
  .navigation a{font-size:10px;white-space:nowrap}
  .navigation a small{font-size:7px}
  .hero{padding:150px 5% 60px}
  .hero h1{font-size:43px;letter-spacing:-1.3px}
  .hero-description{font-size:12px}
  .hero-buttons{flex-direction:column;width:100%}
  .button{width:100%}
  .hero-product{min-height:390px}
  .hero-image{width:88%}
  .product-glow{width:310px;height:310px}
  .product-label{right:0;bottom:18px;font-size:9px}
  .section{padding:75px 5%}
  .section-title{margin-bottom:38px}
  .section-title h2{font-size:33px}
  .section-title p{font-size:11px}
  .intro-features,.ingredients-grid,.benefits-grid,.usage-grid{grid-template-columns:1fr}
  .intro-highlight{padding:23px}
  .guarantee-section{padding:65px 5%}
  .guarantee-box{padding:35px 23px;border-radius:24px}
  .guarantee-box h2{font-size:27px}
  .gallery-item{height:420px}
  .cta{margin:0 5% 65px;padding:35px 20px;border-radius:23px}
  .cta h2{font-size:24px}
  .large-button{width:100%;min-width:0}
  .notice{margin:0 5% 55px;font-size:10px}
  .footer{padding:32px 5%}
}

/* Small phones */
@media(max-width:400px){
  .hero h1{font-size:37px}
  .hero-product{min-height:340px}
  .gallery-item{height:350px}
  .ingredient-card,.benefit-card,.usage-card{padding:24px 20px}
}

/* Accessibility */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    scroll-behavior:auto!important;
    animation:none!important;
    transition:none!important;
  }
}

/* Print */
@media print{
  .loader,.header,.hero-buttons{display:none}
  body{background:#fff;color:#000}
}