/* ═══════════════════════════════════════
   BBC PAPER INDIA — products.css
   Products Page · Mobile-First
═══════════════════════════════════════ */

:root {
  --navy:      #1A2B4C;
  --green:     #2e8b35;
  --green-lt:  #4CAF50;
  --green-dim: rgba(46,139,53,0.08);
  --border:    rgba(46,139,53,0.15);
  --muted:     #5a6e7f;
  --bg:        #f5f8f5;
  --surface:   #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Archivo', sans-serif;
  background: var(--bg);
  color: var(--navy);
  overflow-x: hidden;
}

/* ── NAV (shared with main site) ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: .8rem 4vw;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  transition: padding .3s;
}
nav.scrolled { padding: .55rem 4vw; }

.nav-logo { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.nav-logo-img { height: 44px; width: auto; object-fit: contain; }
.nav-logo-text { display: flex; flex-direction: column; }
.nav-brand-name { font-family: 'Archivo Black', sans-serif; font-size: 1rem; color: var(--navy); line-height: 1.2; }
.nav-brand-tag { font-size: .65rem; color: var(--green); font-style: italic; }

.nav-links { display: flex; gap: 1.6rem; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: .76rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  transition: color .2s; position: relative;
}
.nav-links a.active { color: var(--green); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 100%;
  height: 1.5px; background: var(--green); transition: right .3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--navy); }
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-cta {
  background: var(--green); color: #fff !important;
  padding: .42rem 1rem; border-radius: 2px;
  font-size: .76rem; font-weight: 600; letter-spacing: .1em;
  text-decoration: none; transition: background .2s, transform .2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--green-lt); transform: translateY(-1px); }
.nav-mobile-cta { display: none; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px;
  background: none; border: 1px solid var(--border); border-radius: 4px;
  cursor: pointer; padding: 6px; transition: border-color .2s;
}
.nav-hamburger:hover { border-color: var(--green); }
.nav-hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--navy); border-radius: 2px;
  transition: transform .3s, opacity .3s; transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(160deg, #f5f8f5 0%, #eef5ee 100%);
  border-bottom: 1px solid var(--border);
  padding: 7rem 4vw 3.5rem;
}
.page-hero-inner { max-width: 900px; margin: 0 auto; }
.page-hero-label {
  font-family: 'DM Mono', monospace; font-size: .68rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--green); margin-bottom: .8rem;
}
.page-hero-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  color: var(--navy); line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: .8rem;
}
.page-hero-title .accent { color: var(--green); }
.page-hero-sub { font-size: .95rem; color: var(--muted); line-height: 1.7; margin-bottom: 2rem; }

/* Filter buttons */
.product-filter { display: flex; flex-wrap: wrap; gap: .6rem; }
.filter-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); border-radius: 20px;
  padding: .45rem 1.1rem; font-size: .78rem; font-weight: 500;
  cursor: pointer; transition: all .2s;
  font-family: 'Archivo', sans-serif;
}
.filter-btn:hover { border-color: var(--green); color: var(--green); }
.filter-btn.active {
  background: var(--green); border-color: var(--green);
  color: #fff;
}

/* ── MAIN PRODUCTS AREA ── */
.products-main {
  max-width: 1160px; margin: 0 auto;
  padding: 3rem 4vw 2rem;
  display: flex; flex-direction: column; gap: 0;
}

/* ── PRODUCT DETAIL CARD ── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 2.5rem;
  transition: box-shadow .3s;
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease, box-shadow .3s;
}
.product-detail.visible { opacity: 1; transform: translateY(0); }
.product-detail:hover { box-shadow: 0 12px 40px rgba(46,139,53,.1); }

/* Image side */
.product-detail-img {
  position: relative; overflow: hidden;
  min-height: 320px;
  background: #e8f5e9;
  display: flex; align-items: center; justify-content: center;
}
.product-detail-img img {
  width: 100%; height: 100%; object-fit: cover;
  display: block; transition: transform .5s ease;
  position: absolute; inset: 0;
}
.product-detail:hover .product-detail-img img { transform: scale(1.05); }
.img-fallback {
  font-size: 5rem; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.product-detail-img:not(.no-img) .img-fallback { display: none; }
.product-detail-img.no-img img { display: none; }

/* Product number badge */
.product-number {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-family: 'Archivo Black', sans-serif; font-size: 3.5rem;
  color: rgba(255,255,255,0.18); line-height: 1;
  pointer-events: none;
}

/* NEW ribbon */
.new-ribbon {
  position: absolute; top: 1rem; right: 1rem; z-index: 3;
  background: var(--green); color: #fff;
  font-family: 'DM Mono', monospace; font-size: .65rem;
  letter-spacing: .15em; padding: .3rem .7rem; border-radius: 2px;
}

/* reversed layout */
.product-detail.reverse { direction: rtl; }
.product-detail.reverse > * { direction: ltr; }

/* Body side */
.product-detail-body {
  padding: 2.5rem 2.5rem;
  display: flex; flex-direction: column; gap: .8rem;
  justify-content: center;
}

.product-cat-tag {
  font-family: 'DM Mono', monospace; font-size: .65rem;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--green); display: inline-block;
}
.product-cat-tag.new-tag {
  background: rgba(46,139,53,.1); border: 1px solid var(--border);
  padding: .2rem .6rem; border-radius: 2px;
}

.product-detail-body h2 {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--navy); line-height: 1.15; letter-spacing: -.01em;
}

.product-detail-body p {
  font-size: .9rem; color: var(--muted); line-height: 1.75;
}

/* Feature checklist */
.feature-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: .35rem .8rem; margin-top: .2rem;
}
.feature-item {
  display: flex; align-items: center; gap: .4rem;
  font-size: .82rem; color: var(--navy);
}
.feature-icon {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem; flex-shrink: 0; font-weight: 700;
}

/* Tags */
.product-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .2rem; }
.product-tag {
  font-family: 'DM Mono', monospace; font-size: .6rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--green); background: var(--green-dim);
  border: 1px solid var(--border); padding: .2rem .5rem; border-radius: 2px;
}

/* Action buttons */
.product-actions {
  display: flex; flex-wrap: wrap; gap: .8rem;
  margin-top: .6rem;
}
.btn-quote {
  background: var(--green); color: #fff;
  border: none; border-radius: 4px;
  padding: .8rem 1.4rem; font-size: .86rem; font-weight: 600;
  cursor: pointer; font-family: 'Archivo', sans-serif;
  transition: background .2s, transform .15s, box-shadow .2s;
  display: inline-flex; align-items: center; gap: .4rem;
  white-space: nowrap;
}
.btn-quote:hover {
  background: var(--green-lt); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76,175,80,.3);
}
.btn-contact {
  background: transparent; color: var(--navy);
  border: 1px solid rgba(26,43,76,.2); border-radius: 4px;
  padding: .8rem 1.2rem; font-size: .86rem; font-weight: 500;
  text-decoration: none; transition: border-color .2s, color .2s;
  display: inline-flex; align-items: center;
}
.btn-contact:hover { border-color: var(--green); color: var(--green); }

/* New product highlight */
.new-product { border-color: var(--green); border-width: 2px; }
.new-product .product-detail-body { background: linear-gradient(135deg, #fff 0%, #f0faf0 100%); }

/* ── HIDDEN (filtered out) ── */
.product-detail.hidden {
  display: none;
}

/* ── CTA STRIP ── */
.cta-strip {
  background: var(--navy);
  padding: 3rem 4vw;
  margin-top: 1rem;
}
.cta-strip-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.cta-strip-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.3rem; color: #fff;
}
.cta-strip-sub { font-size: .88rem; color: #8aaac8; margin-top: .3rem; }
.cta-strip-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-quote-large {
  background: var(--green); color: #fff;
  border: none; border-radius: 4px;
  padding: .85rem 1.6rem; font-size: .9rem; font-weight: 600;
  cursor: pointer; font-family: 'Archivo', sans-serif;
  transition: background .2s, transform .15s;
}
.btn-quote-large:hover { background: var(--green-lt); transform: translateY(-2px); }
.btn-call {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,.25); border-radius: 4px;
  padding: .85rem 1.4rem; font-size: .9rem; font-weight: 500;
  text-decoration: none; transition: border-color .2s;
}
.btn-call:hover { border-color: #fff; }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 1.8rem 4vw;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-left { display: flex; align-items: center; gap: .9rem; }
.footer-logo { height: 34px; width: auto; object-fit: contain; filter: brightness(0) invert(1); opacity: .8; }
.footer-brand { font-family: 'Archivo Black', sans-serif; font-size: .84rem; color: #a0b4c8; }
.footer-brand span { color: var(--green-lt); }
.footer-right { display: flex; flex-direction: column; align-items: flex-end; gap: .2rem; }
.footer-tag { font-family: 'DM Mono', monospace; font-size: .62rem; color: #6a86a0; letter-spacing: .1em; }

/* ── WHATSAPP FLOAT ── */
.wa-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border: none;
  box-shadow: 0 4px 20px rgba(37,211,102,.35);
  transition: transform .2s, box-shadow .2s;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.5); }
.wa-float svg { width: 26px; height: 26px; fill: #fff; }
.wa-float::before {
  content: ''; position: absolute;
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(37,211,102,.3);
  animation: wa-pulse 2.2s infinite;
}

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,0.5);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: #fff; border-radius: 10px;
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  padding: 2rem; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: modalIn .3s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; cursor: pointer;
  font-size: 1.1rem; color: var(--muted); line-height: 1;
  transition: color .2s;
}
.modal-close:hover { color: var(--navy); }

.modal-header { margin-bottom: 1.5rem; }
.modal-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.2rem; color: var(--navy);
}
.modal-product {
  font-family: 'DM Mono', monospace; font-size: .72rem;
  color: var(--green); letter-spacing: .08em;
  margin-top: .35rem; text-transform: uppercase;
}

.modal-form { display: flex; flex-direction: column; gap: .9rem; }
.mform-row { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.mform-group { display: flex; flex-direction: column; gap: .3rem; }
.mform-group label {
  font-family: 'DM Mono', monospace; font-size: .63rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.mform-group input,
.mform-group textarea {
  background: #f8fbf8; border: 1px solid #ccd8cc;
  border-radius: 3px; padding: .65rem .9rem;
  color: var(--navy); font-family: 'Archivo', sans-serif; font-size: .86rem;
  outline: none; transition: border-color .2s; width: 100%;
}
.mform-group input:focus,
.mform-group textarea:focus { border-color: var(--green); background: #fff; }
.mform-group textarea { resize: vertical; min-height: 80px; }
.mform-error { font-size: .68rem; color: #e53935; display: none; }
.mform-group.has-error input { border-color: #e53935; }
.mform-group.has-error .mform-error { display: block; }

.modal-submit {
  background: var(--green); color: #fff;
  border: none; border-radius: 4px;
  padding: .88rem 1.5rem; font-size: .86rem; font-weight: 600;
  cursor: pointer; font-family: 'Archivo', sans-serif;
  transition: background .2s, transform .15s;
  margin-top: .3rem;
}
.modal-submit:hover { background: var(--green-lt); transform: translateY(-2px); }

.modal-success {
  display: none; background: var(--green-dim);
  border: 1px solid var(--border); border-radius: 3px;
  padding: .85rem 1rem; color: var(--green); font-size: .86rem;
}

/* ── ANIMATIONS ── */
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: .8; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { opacity: 0; }
}

/* ── RESPONSIVE ── */

/* Tablet */
@media (max-width: 860px) {
  .product-detail,
  .product-detail.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .product-detail-img { min-height: 260px; }
  .product-detail-body { padding: 1.8rem; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-right { align-items: flex-start; }
}

/* Mobile nav drawer */
@media (max-width: 720px) {
  .nav-hamburger { display: flex; }
  .nav-cta-desktop { display: none; }

  .nav-links {
    display: flex; flex-direction: column;
    position: fixed; top: 0; right: -100%;
    width: 78%; max-width: 300px; height: 100vh;
    background: #fff;
    box-shadow: -4px 0 24px rgba(0,0,0,.12);
    padding: 5rem 2rem 2rem;
    gap: 0; z-index: 90;
    transition: right .35s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
  }
  .nav-links.open { right: 0; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: none; margin-top: 1.5rem; }
  .nav-links a { display: block; padding: 1rem .5rem; font-size: .9rem; color: var(--navy); }
  .nav-links a::after { display: none; }
  .nav-mobile-cta { display: block; }
  .nav-mobile-cta .nav-cta { display: block; text-align: center; padding: .75rem 1rem; border-radius: 4px; }

  .nav-overlay {
    display: none; position: fixed; inset: 0; z-index: 85;
    background: rgba(0,0,0,.35);
  }
  .nav-overlay.open { display: block; }

  .product-detail-img { min-height: 220px; }
  .product-detail-body { padding: 1.4rem; }
  .product-detail-body h2 { font-size: 1.2rem; }
  .cta-strip-inner { flex-direction: column; }
  .cta-strip-actions { width: 100%; }
  .btn-quote-large, .btn-call { width: 100%; text-align: center; justify-content: center; }
  .mform-row { grid-template-columns: 1fr; }
}

/* Small mobile */
@media (max-width: 420px) {
  .product-actions { flex-direction: column; }
  .btn-quote, .btn-contact { width: 100%; justify-content: center; text-align: center; }
  .page-hero { padding: 6rem 4vw 2.5rem; }
}