/* Himalayan Harbs — কাস্টম স্টাইল (Tailwind-এর পরিপূরক) */
:root {
  --burgundy: #780F18;
  --crimson: #A81725;
  --berry: #F15A24;
  --gold: #D9A441;
  --cream: #FFF8E9;
  --ink: #25211F;
}

html { scroll-behavior: smooth; }
body.no-scroll { overflow: hidden; }
@media (max-width: 767px) { body { padding-bottom: 84px; } } /* স্টিকি বাটনের জন্য জায়গা */

:focus-visible { outline: 3px solid var(--berry); outline-offset: 2px; }

/* নেভিগেশন */
.nav-link { color: var(--ink); padding: 4px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav-link:hover { color: var(--burgundy); border-color: var(--gold); }
.mobile-link { display: block; padding: 12px 4px; border-bottom: 1px solid rgba(217, 164, 65, .35); font-weight: 500; }

/* বাটন */
.btn-primary, .btn-outline, .btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 700; border-radius: 9999px; padding: .85rem 1.75rem; line-height: 1.3;
  transition: background-color .2s, color .2s, transform .15s; cursor: pointer;
}
.btn-primary { background: var(--burgundy); color: var(--cream); border: 2px solid var(--burgundy); }
.btn-primary:hover { background: var(--crimson); border-color: var(--crimson); }
.btn-primary:active, .btn-gold:active { transform: scale(.98); }
.btn-primary:disabled { opacity: .7; cursor: not-allowed; }
.btn-outline { background: transparent; color: var(--burgundy); border: 2px solid var(--burgundy); }
.btn-outline:hover { background: var(--burgundy); color: var(--cream); }
.btn-gold { background: var(--gold); color: var(--burgundy); border: 2px solid var(--gold); }
.btn-gold:hover { background: var(--cream); border-color: var(--cream); }

/* সেকশন টাইটেল */
.section-title { font-size: 1.75rem; line-height: 1.4; font-weight: 700; color: var(--burgundy); }
@media (min-width: 640px) { .section-title { font-size: 2.25rem; } }
.gold-rule { width: 88px; height: 4px; border-radius: 4px; margin-top: .9rem; margin-bottom: 1.25rem; background: var(--gold); }
.gold-rule.mx-auto { margin-left: auto; margin-right: auto; }

/* হিরো */
.hero-bg {
  background:
    radial-gradient(circle at 12% 18%, rgba(241, 90, 36, .10) 0 90px, transparent 91px),
    radial-gradient(circle at 92% 82%, rgba(217, 164, 65, .18) 0 140px, transparent 141px),
    var(--cream);
}
.hero-visual { aspect-ratio: 1 / .92; }
.hero-halo {
  position: absolute; inset: 6% 4% 2% 4%; border-radius: 50%;
  background: radial-gradient(circle, #fff 0 55%, rgba(217, 164, 65, .35) 56% 58%, transparent 59%);
}
.hero-visual img { height: auto; }
.hero-visual > img:first-of-type { transform: translateY(2%); }

/* কার্ড */
.nutri-card {
  background: #fff; border: 1px solid rgba(217, 164, 65, .6); border-radius: 1.25rem; padding: 1.5rem;
}
.nutri-card h3 { font-weight: 700; font-size: 1.125rem; color: var(--burgundy); margin-top: .9rem; line-height: 1.4; }
.nutri-card p { margin-top: .4rem; font-size: .95rem; line-height: 1.7; color: rgba(37, 33, 31, .8); }
.nutri-icon {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 1.35rem;
  color: var(--gold); background: var(--burgundy);
}

/* ইনফোগ্রাফিক */
.infographic { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
.info-center { grid-column: 1 / -1; display: grid; place-items: center; padding-bottom: .5rem; }
.info-item { text-align: center; }
.info-item p { margin-top: .6rem; font-weight: 600; line-height: 1.5; color: var(--burgundy); }
.info-circle {
  width: 76px; height: 76px; border-radius: 50%; margin: 0 auto; display: grid; place-items: center;
  font-size: 1.7rem; color: var(--cream); background: var(--burgundy); border: 4px solid var(--gold);
  box-shadow: 0 0 0 4px var(--cream);
}
.info-item:last-child { grid-column: 1 / -1; }

@media (min-width: 1024px) {
  .infographic { display: block; position: relative; width: 100%; max-width: 680px; aspect-ratio: 1; margin-inline: auto; }
  .info-center {
    position: absolute; inset: 24% 24%; border-radius: 50%; padding: 0;
    background: radial-gradient(circle, var(--cream) 0 70%, transparent 71%);
    border: 2px dashed var(--gold);
  }
  .info-item { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); width: 170px; }
  .info-item:last-child { grid-column: auto; }
}

/* ব্র্যান্ড স্টোরি ও ফাইনাল CTA */
.story-bg {
  background:
    radial-gradient(circle at 8% 12%, rgba(217, 164, 65, .14) 0 120px, transparent 121px),
    radial-gradient(circle at 94% 90%, rgba(241, 90, 36, .18) 0 160px, transparent 161px),
    var(--burgundy);
}
.gold-frame {
  position: relative; padding: 2.25rem 1.5rem; border: 2px solid var(--gold); border-radius: 1.5rem;
}
.gold-frame::before {
  content: ""; position: absolute; inset: 8px; border: 1px solid rgba(217, 164, 65, .55); border-radius: 1.1rem; pointer-events: none;
}
@media (min-width: 640px) { .gold-frame { padding: 3.5rem 3rem; } }

/* ব্যবহারবিধি */
.usage-step {
  position: relative; background: #fff; border: 1px solid rgba(217, 164, 65, .6); border-radius: 1.25rem;
  padding: 2.5rem 1.5rem 1.75rem; text-align: center; font-weight: 500; line-height: 1.7;
}
.usage-badge {
  position: absolute; top: -18px; left: 50%; transform: translateX(-50%); width: 38px; height: 38px; border-radius: 50%;
  background: var(--berry); color: #fff; font-weight: 700; display: grid; place-items: center; border: 3px solid var(--cream);
}
.usage-icon { font-size: 2rem; color: var(--burgundy); margin-bottom: .75rem; display: block; }

/* প্রাইসিং কার্ড */
.price-card {
  display: grid; background: var(--cream); border: 3px solid var(--gold); border-radius: 1.75rem; overflow: hidden;
  box-shadow: 0 0 0 6px #fff, 0 0 0 8px rgba(217, 164, 65, .5);
}
.price-card-img { display: grid; place-items: center; padding: 2rem 1rem; background: var(--burgundy); }
@media (min-width: 768px) { .price-card { grid-template-columns: 5fr 7fr; } }

/* FAQ */
.faq-item { border: 1px solid rgba(217, 164, 65, .7); border-radius: 1rem; background: var(--cream); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; text-align: left;
  padding: 1rem 1.25rem; font-weight: 600; font-size: 1.05rem; color: var(--burgundy); cursor: pointer;
}
.faq-q i { transition: transform .25s; color: var(--berry); flex-shrink: 0; }
.faq-q[aria-expanded="true"] i { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 1.25rem 1.1rem; line-height: 1.8; }

/* স্টিকি বাটন */
.sticky-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; padding: .65rem 1rem calc(.65rem + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--cream) 70%, rgba(255, 248, 233, 0));
}
.sticky-bar.is-hidden { display: none; }

/* অর্ডার ফর্ম (ইনলাইন) */
.order-card { background: #fff; border: 2px solid var(--gold); border-radius: 1.5rem; overflow: hidden; box-shadow: 0 10px 30px rgba(37, 33, 31, .08); }
.order-head { padding: 1rem 1.25rem; background: var(--cream); border-bottom: 1px solid rgba(217, 164, 65, .6); }
.order-body { padding: 1.25rem; outline: none; }

/* ফর্ম */
.field-label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .95rem; }
.field {
  width: 100%; padding: .7rem .9rem; border: 1.5px solid rgba(37, 33, 31, .25); border-radius: .75rem; background: #fff;
  font: inherit; font-size: 1rem; transition: border-color .2s, box-shadow .2s;
}
.field:focus { outline: none; border-color: var(--burgundy); box-shadow: 0 0 0 3px rgba(120, 15, 24, .15); }
.field[aria-invalid="true"] { border-color: var(--crimson); background: #fff6f6; }
.field-error { color: var(--crimson); font-size: .85rem; margin-top: .3rem; min-height: 0; }
.field-error:empty { display: none; }

.qty { display: inline-flex; align-items: center; }
.qty button {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--burgundy); color: var(--burgundy); display: grid; place-items: center; background: #fff;
}
.qty button:hover:not(:disabled) { background: var(--burgundy); color: var(--cream); }
.qty button:disabled { opacity: .4; cursor: not-allowed; }
.qty output { min-width: 56px; text-align: center; font-size: 1.35rem; font-weight: 700; }

.choice { position: relative; display: flex; cursor: pointer; }
.choice input { position: absolute; opacity: 0; inset: 0; }
.choice span {
  width: 100%; padding: .75rem .9rem; border: 1.5px solid rgba(37, 33, 31, .25); border-radius: .75rem; font-weight: 500; line-height: 1.4;
  transition: border-color .2s, background-color .2s;
}
.choice small { color: rgba(37, 33, 31, .65); }
.choice input:checked + span { border-color: var(--burgundy); background: var(--cream); box-shadow: inset 0 0 0 1px var(--burgundy); }
.choice input:focus-visible + span { outline: 3px solid var(--berry); outline-offset: 2px; }

.summary { margin-top: 1.25rem; padding: 1rem 1.1rem; background: var(--cream); border: 1px dashed var(--gold); border-radius: 1rem; }
.form-alert { margin-top: 1rem; padding: .8rem 1rem; border-radius: .75rem; background: #fff1f1; border: 1px solid var(--crimson); color: var(--crimson); font-weight: 500; line-height: 1.6; }
.form-alert.hidden { display: none; }

/* লোডিং স্পিনার */
.btn-spinner { display: none; width: 1.1em; height: 1.1em; border: 3px solid rgba(255, 248, 233, .4); border-top-color: var(--cream); border-radius: 50%; animation: spin .7s linear infinite; }
.is-loading .btn-spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}


/* ল্যান্ডিং পেজ: কার্ড, চেকলিস্ট, অফার */
.lp-card { position: relative; background: #fff; border: 1.5px solid rgba(217,164,65,.7); border-radius: 1.25rem; padding: 1.5rem 1.25rem 1.25rem; text-align: center; box-shadow: 0 6px 18px rgba(37,33,31,.06); }
.lp-num { position: absolute; top: -.8rem; left: 1rem; width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center; background: var(--burgundy); color: var(--gold); font-weight: 700; }
.lp-card-icon { display: inline-grid; place-items: center; width: 4rem; height: 4rem; border-radius: 50%; background: var(--cream); color: var(--berry); font-size: 1.6rem; }
.lp-card h3 { margin-top: .8rem; font-weight: 700; font-size: 1.2rem; color: var(--burgundy); line-height: 1.4; }
.lp-card p { margin-top: .4rem; line-height: 1.8; color: rgba(37,33,31,.8); }
.lp-checks { display: grid; gap: .75rem; }
.lp-checks li { display: flex; gap: .75rem; align-items: flex-start; background: #fff; border: 1px solid rgba(217,164,65,.5); border-radius: .9rem; padding: .85rem 1rem; line-height: 1.7; font-size: 1.05rem; }
.lp-checks li i { color: var(--berry); margin-top: .35rem; }
.lp-checks-dark li { background: rgba(255,248,233,.08); border-color: rgba(217,164,65,.55); color: var(--cream); }
.lp-checks-dark li i { color: var(--gold); }
.lp-offer { border: 2px solid var(--gold); border-radius: 1.5rem; padding: 1.75rem 1.25rem; background: var(--cream); }
.lp-note { border: 1.5px dashed var(--gold); border-radius: 1rem; padding: 1rem 1.25rem; line-height: 1.9; text-align: center; color: var(--burgundy); font-weight: 500; }