/* ===================== Rima Energy — base ===================== */

:root{
  --bg:#060606;
  --bg-soft:#0c0c0c;
  --white:#f5f4f0;
  --gray:#8d8b86;
  --gold:#d8b35c;
  --gold-light:#f3e2ae;
  --gold-dim:#8a713a;
  --line:rgba(245,244,240,.12);
  --ff:'Vazirmatn', sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--white);
  font-family:var(--ff);
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none;}
button{font-family:var(--ff);cursor:pointer;border:none;background:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}

::selection{background:var(--gold);color:#000;}

::-webkit-scrollbar{width:8px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--gold-dim);border-radius:10px;}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:9998;
  opacity:.045;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================== Preloader ===================== */

#preloader{
  position:fixed;inset:0;z-index:10000;
  background:#000;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.5rem;
  transition:opacity .8s ease, visibility .8s ease;
}
#preloader.hide{opacity:0;visibility:hidden;}
.preloader-mark{
  font-size:clamp(2.5rem,8vw,4.5rem);
  font-weight:900;
  letter-spacing:.05em;
  background:linear-gradient(120deg,var(--gray),var(--white) 40%,var(--gold-light) 55%,var(--gray));
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 2.2s linear infinite;
}
.preloader-sub{
  font-size:.85rem;letter-spacing:.5em;color:var(--gold-dim);font-weight:600;
}
.preloader-percent{
  margin-top:1.5rem;font-size:.8rem;color:var(--gray);letter-spacing:.2em;
}
@keyframes shine{
  0%{background-position:200% 0;}
  100%{background-position:-200% 0;}
}

/* ===================== Header ===================== */

.site-header{
  position:fixed;top:0;right:0;left:0;z-index:500;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.6rem clamp(1.2rem,5vw,3.5rem);
  transition:padding .35s ease, background .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled{
  padding-top:.9rem;padding-bottom:.9rem;
  background:rgba(6,6,6,.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-mark{
  font-size:1.35rem;font-weight:800;letter-spacing:.08em;color:var(--white);
}
.brand-mark span{color:var(--gold);}

.main-nav{display:flex;gap:2.2rem;}
.main-nav a{
  font-size:.85rem;font-weight:600;letter-spacing:.03em;color:var(--gray);
  position:relative;padding-bottom:.3rem;transition:color .25s ease;
}
.main-nav a::after{
  content:'';position:absolute;right:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .3s ease;
}
.main-nav a:hover{color:var(--white);}
.main-nav a:hover::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:1rem;}

.sound-toggle{
  display:flex;align-items:center;gap:.55rem;
  padding:.55rem 1.05rem;border-radius:999px;
  border:1px solid var(--line);color:var(--gray);
  font-size:.72rem;letter-spacing:.08em;font-weight:600;
  transition:color .3s ease, border-color .3s ease, background .3s ease;
}
.sound-toggle:hover{border-color:rgba(216,179,92,.5);color:var(--white);}
.sound-toggle.playing{color:var(--gold);border-color:var(--gold-dim);background:rgba(216,179,92,.08);}

.sound-eq{display:flex;align-items:flex-end;gap:2.5px;height:12px;}
.sound-eq i{width:2.5px;height:4px;border-radius:1px;background:currentColor;transition:height .2s ease;}
.sound-toggle.playing .sound-eq i{animation:eqBounce .85s ease-in-out infinite;}
.sound-toggle.playing .sound-eq i:nth-child(2){animation-delay:.15s;}
.sound-toggle.playing .sound-eq i:nth-child(3){animation-delay:.3s;}
@keyframes eqBounce{
  0%,100%{height:4px;}
  50%{height:12px;}
}

.menu-btn{display:none;flex-direction:column;gap:5px;width:28px;}
.menu-btn span{display:block;height:2px;background:var(--white);border-radius:2px;transition:transform .3s ease, opacity .3s ease;}

.mobile-menu{
  position:fixed;inset:0;z-index:490;background:rgba(4,4,4,.98);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .35s ease, transform .35s ease, visibility .35s ease;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-menu a{font-size:1.4rem;font-weight:700;color:var(--white);}

/* ===================== Side dot nav ===================== */

.side-dots{
  position:fixed;left:clamp(1rem,3vw,2.2rem);top:50%;transform:translateY(-50%);
  z-index:400;display:flex;flex-direction:column;gap:14px;
  opacity:0;pointer-events:none;transition:opacity .4s ease;
}
.side-dots.visible{opacity:1;pointer-events:auto;}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(245,244,240,.25);
  cursor:pointer;transition:all .3s ease;
}
.dot.active{background:var(--gold);transform:scale(1.5);}

/* ===================== Hero ===================== */

#hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:2rem 1.2rem;overflow:hidden;
}
.hero-glow{
  position:absolute;top:50%;left:50%;width:70vw;height:70vw;max-width:900px;max-height:900px;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(216,179,92,.16), transparent 65%);
  filter:blur(10px);
  animation:pulse 6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1);}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.08);}
}
.hero-content{position:relative;z-index:2;}
.hero-title .line{
  display:block;font-weight:900;letter-spacing:.02em;line-height:1;
}
.hero-title .line:first-child{
  font-size:clamp(3.5rem,14vw,9rem);
  background:linear-gradient(160deg,var(--white) 30%,var(--gold-light) 55%,var(--gold-dim));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-title .line:first-child em{
  font-style:normal;color:var(--gold);-webkit-text-fill-color:var(--gold);
}
.hero-title .line.small{
  font-size:clamp(1rem,2.6vw,1.6rem);font-weight:600;letter-spacing:.15em;
  color:var(--gray);margin-top:1rem;
}
.hero-desc{
  margin-top:1.6rem;color:var(--gray);font-size:clamp(.9rem,1.6vw,1.05rem);
  max-width:36rem;margin-inline:auto;
}
.scroll-cue{
  position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.6rem;
  font-size:.72rem;letter-spacing:.25em;color:var(--gray);
  z-index:2;
}
.scroll-cue i{
  width:1px;height:36px;
  background:linear-gradient(var(--gold),transparent);
  position:relative;overflow:hidden;
}
.scroll-cue i::after{
  content:'';position:absolute;top:-100%;right:0;left:0;height:100%;
  background:var(--gold-light);
  animation:scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown{
  0%{top:-100%;}
  60%,100%{top:100%;}
}

/* ===================== Flavors ===================== */

#flavors{position:relative;}

.flavor-slide{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:6rem clamp(1.2rem,6vw,4rem);
  overflow:hidden;
  border-top:1px solid var(--line);
}
.flavor-glow{
  position:absolute;inset:0;
  background:radial-gradient(60% 55% at 50% 45%, color-mix(in srgb, var(--a) 22%, transparent), transparent 70%);
  opacity:.6;pointer-events:none;
}
.flavor-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:center;gap:clamp(2rem,6vw,6rem);
  max-width:1200px;width:100%;
  opacity:0;transform:translateY(50px);
  transition:opacity .9s ease, transform .9s ease;
}
.flavor-slide.in-view .flavor-inner{opacity:1;transform:translateY(0);}

.can-wrap{
  position:relative;flex:none;
  display:flex;align-items:center;justify-content:center;
  width:clamp(160px,22vw,220px);height:clamp(340px,42vw,460px);
}
.can{
  position:relative;width:100%;height:100%;
  border-radius:999px/70px;
  background:
    linear-gradient(100deg, rgba(255,255,255,.05), transparent 30%),
    linear-gradient(160deg,#f1f1ee 0%, #cfcfc9 18%, #86847d 42%, #3c3b37 62%, #171614 100%);
  box-shadow:
    inset 6px 0 14px rgba(255,255,255,.25),
    inset -10px 0 20px rgba(0,0,0,.55),
    0 30px 60px rgba(0,0,0,.55);
  overflow:hidden;
  transform:rotate(-4deg);
  transition:transform .6s ease;
}
.flavor-slide.in-view .can{transform:rotate(0deg);}
.can-band{
  position:absolute;inset-inline:0;top:32%;bottom:18%;
  background:linear-gradient(180deg, var(--a), var(--b));
  opacity:.92;
}
.can-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(255,255,255,.35), transparent 35%);
}
.can-logo{
  position:absolute;top:14%;left:50%;transform:translateX(-50%);
  font-weight:900;font-size:.95rem;letter-spacing:.15em;color:#111;
  writing-mode:vertical-rl;text-orientation:mixed;
}
.can-flavor-name{
  position:absolute;bottom:8%;left:50%;transform:translateX(-50%);
  font-weight:700;font-size:.72rem;letter-spacing:.05em;color:rgba(0,0,0,.75);
  white-space:nowrap;
}

.flavor-copy{max-width:26rem;text-align:right;}
.flavor-index{
  display:inline-block;font-size:.8rem;letter-spacing:.3em;color:var(--gold);font-weight:700;margin-bottom:1rem;
}
.flavor-copy h2{
  font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:1.1rem;line-height:1.15;
}
.flavor-copy p{color:var(--gray);font-size:clamp(.95rem,1.6vw,1.1rem);line-height:1.9;}

/* ===================== Compare ===================== */

.section-head{
  text-align:center;max-width:44rem;margin:0 auto 4rem;padding:0 1.2rem;
}
.eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.3em;color:var(--gold);font-weight:700;margin-bottom:1rem;
}
.section-head h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;line-height:1.3;}

#compare{padding:7rem clamp(1.2rem,6vw,4rem);border-top:1px solid var(--line);}

.compare-rows{max-width:56rem;margin:0 auto;display:flex;flex-direction:column;gap:1.2rem;}

.compare-row{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:1.2rem;
  padding:2rem clamp(1.2rem,3vw,2.4rem);
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:18px;
  opacity:0;transform:translateY(30px);
  transition:opacity .8s ease, transform .8s ease, border-color .3s ease;
}
.compare-row.in-view{opacity:1;transform:translateY(0);}
.compare-row:hover{border-color:rgba(216,179,92,.4);}

.compare-label{
  display:flex;align-items:center;gap:.6rem;
  font-weight:700;font-size:clamp(.9rem,1.6vw,1.15rem);
  transition:opacity .35s ease, color .35s ease;
}
.compare-label.bad{color:var(--gray);justify-content:flex-start;opacity:1;}
.compare-label.good{color:var(--gold-light);justify-content:flex-end;text-align:left;opacity:.35;}
.compare-row[data-state="good"] .compare-label.bad{opacity:.35;text-decoration:line-through;}
.compare-row[data-state="good"] .compare-label.good{opacity:1;}

.x-mark{color:#a24;font-weight:900;}
.compare-row[data-state="good"] .x-mark{color:var(--gold);}

.toggle-switch{
  position:relative;width:52px;height:28px;border-radius:999px;
  background:rgba(245,244,240,.12);flex:none;
  transition:background .3s ease;
}
.toggle-switch .knob{
  position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:50%;
  background:var(--white);transition:transform .3s ease, background .3s ease;
}
.compare-row[data-state="good"] .toggle-switch{background:var(--gold-dim);}
.compare-row[data-state="good"] .toggle-switch .knob{transform:translateX(-24px);background:var(--gold-light);}

.compare-desc{
  grid-column:1 / -1;
  color:var(--gray);font-size:.92rem;line-height:1.8;
  padding-top:1.2rem;margin-top:.4rem;border-top:1px dashed var(--line);
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .4s ease, opacity .4s ease, padding .4s ease, margin .4s ease;
}
.compare-row[data-state="good"] .compare-desc{
  max-height:200px;opacity:1;
}

/* ===================== FAQ ===================== */

#faq{padding:7rem clamp(1.2rem,6vw,4rem);border-top:1px solid var(--line);}

.faq-list{max-width:50rem;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.6rem 0;text-align:right;font-size:clamp(.95rem,1.8vw,1.15rem);font-weight:700;
}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--gold);
  transition:transform .35s ease, background .35s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(216,179,92,.12);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease, opacity .4s ease;opacity:0;
}
.faq-item.open .faq-a{max-height:300px;opacity:1;}
.faq-a p{color:var(--gray);line-height:1.9;padding-bottom:1.6rem;font-size:.95rem;}

/* ===================== Newsletter ===================== */

#newsletter{
  position:relative;text-align:center;padding:8rem clamp(1.2rem,6vw,4rem);
  border-top:1px solid var(--line);overflow:hidden;
}
.newsletter-glow{
  position:absolute;top:50%;left:50%;width:60vw;height:60vw;max-width:700px;max-height:700px;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(216,179,92,.14), transparent 65%);
}
#newsletter h2{position:relative;z-index:2;font-size:clamp(1.8rem,4.5vw,3rem);font-weight:800;margin-bottom:1rem;}
#newsletter p{position:relative;z-index:2;color:var(--gray);max-width:32rem;margin:0 auto 2.4rem;}
.newsletter-form{
  position:relative;z-index:2;
  display:flex;gap:.8rem;max-width:30rem;margin:0 auto;
  flex-wrap:wrap;justify-content:center;
}
.newsletter-form input{
  flex:1 1 260px;
  padding:1rem 1.3rem;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-soft);color:var(--white);font-family:var(--ff);font-size:.95rem;
  outline:none;transition:border-color .3s ease;
}
.newsletter-form input:focus{border-color:var(--gold);}
.newsletter-form button{
  padding:1rem 2rem;border-radius:999px;
  background:linear-gradient(120deg,var(--gold-dim),var(--gold),var(--gold-light));
  color:#0c0c0c;font-weight:800;font-size:.95rem;
  transition:transform .25s ease, filter .25s ease;
}
.newsletter-form button:hover{transform:translateY(-2px);filter:brightness(1.08);}
.newsletter-note{position:relative;z-index:2;margin-top:1.2rem;font-size:.78rem;color:var(--gray);}

/* ===================== Footer ===================== */

.site-footer{
  padding:3rem clamp(1.2rem,6vw,4rem);
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem;
  color:var(--gray);font-size:.85rem;
}
.footer-brand{font-weight:800;color:var(--white);letter-spacing:.05em;}
.footer-brand span{color:var(--gold);}
.footer-links{display:flex;gap:1.6rem;flex-wrap:wrap;}
.footer-links a:hover{color:var(--white);}
.footer-social{display:flex;gap:.8rem;}
.footer-social a{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;
  transition:border-color .3s ease, color .3s ease;
}
.footer-social a:hover{border-color:var(--gold);color:var(--gold);}
.footer-copy{width:100%;text-align:center;font-size:.75rem;color:var(--gold-dim);}

/* ===================== Reveal utility ===================== */

.fade-up{opacity:0;transform:translateY(30px);transition:opacity .8s ease, transform .8s ease;}
.fade-up.in-view{opacity:1;transform:translateY(0);}

/* ===================== Responsive ===================== */

@media (max-width:900px){
  .main-nav{display:none;}
  .menu-btn{display:flex;}
  .side-dots{display:none;}
  .flavor-inner{flex-direction:column;text-align:center;}
  .flavor-copy{text-align:center;}
  .compare-row{grid-template-columns:1fr auto 1fr;padding:1.4rem 1rem;gap:.6rem;}
  .compare-label.bad, .compare-label.good{font-size:.8rem;}
}

@media (max-width:520px){
  .compare-row{grid-template-columns:1fr;justify-items:center;text-align:center;}
  .toggle-switch{order:2;margin:.6rem 0;}
  .compare-label.bad{order:1;justify-content:center;}
  .compare-label.good{order:3;justify-content:center;text-align:center;}
}