/* ============================================
   Shree Ram Bio Starch Polymers Pvt. Ltd.
   Shared stylesheet
   ============================================ */

:root {
  /* Colors */
  --color-primary: #1f3a5c;
  --color-primary-dark: #122840;
  --color-primary-light: #35597f;
  --color-accent: #b8863b;
  --color-accent-light: #d9b877;
  --color-accent-dark: #8f6526;
  --color-bg: #f8f7f4;
  --color-bg-alt: #eef0f2;
  --color-surface: #ffffff;
  --color-text: #232527;
  --color-text-muted: #62666d;
  --color-text-inverse: #f5f6f8;
  --color-border: #dfe2e6;
  --color-success: #2f7355;
  --color-error: #b3441f;

  /* Typography */
  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Layout */
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(18, 40, 64, 0.08);
  --shadow-md: 0 8px 24px rgba(18, 40, 64, 0.10);
  --shadow-lg: 0 20px 48px rgba(18, 40, 64, 0.16);
  --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin: 0 0 0.5em;
}
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }
@media (max-width: 768px) {
  section { padding: 56px 0; }
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(184, 134, 59, 0.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }

.bg-alt { background: var(--color-bg-alt); }
.bg-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.bg-primary h2, .bg-primary h3, .bg-primary h4 { color: var(--color-text-inverse); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.bg-primary .btn-outline, .cta-banner .btn-outline { color: var(--color-text-inverse); }
.bg-primary .btn-outline:hover, .cta-banner .btn-outline:hover { background: var(--color-text-inverse); color: var(--color-primary-dark); }
.btn-light {
  background: #fff;
  color: var(--color-primary-dark);
}
.btn-light:hover { background: var(--color-accent-light); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 44px; width: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--font-heading); font-size: 1.02rem; color: var(--color-primary-dark); }
.brand-text span { font-size: 0.72rem; color: var(--color-text-muted); letter-spacing: 0.04em; }

.main-nav ul { display: flex; gap: 2px; align-items: center; flex-wrap: nowrap; }
.main-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-text);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active { background: rgba(31, 58, 92, 0.08); color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; font-weight: 600; color: var(--color-primary-dark); white-space: nowrap; }
.header-phone svg { flex-shrink: 0; }
.main-nav { flex-shrink: 0; }
.brand { flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-primary-dark); border-radius: 2px; transition: var(--transition); }

@media (max-width: 1220px) {
  .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    padding: 12px 0;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 0 24px; gap: 4px; }
  .main-nav a { display: block; padding: 14px 16px; font-size: 1.05rem; }
  .header-actions .btn { padding: 10px 18px; font-size: 0.85rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #eef1f5 0%, var(--color-bg) 55%);
  padding: 64px 0 88px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); margin-bottom: 20px; }
.hero-copy .lead { font-size: 1.12rem; color: var(--color-text-muted); max-width: 520px; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-tags li { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; font-weight: 600; color: var(--color-primary-dark); }
.hero-tags svg { color: var(--color-accent); flex-shrink: 0; }

.hero-art { position: relative; }
.hero-art .art-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
}
.hero-badge {
  position: absolute;
  bottom: -18px;
  left: -18px;
  max-width: 200px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
}
.hero-badge strong { display: block; font-size: 1.5rem; font-family: var(--font-heading); }
.hero-badge span { font-size: 0.78rem; opacity: 0.85; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
}

/* ---------- Stats bar ---------- */
.stats-bar {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats-grid .stat strong { display: block; font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--color-accent-light); }
.stats-grid .stat span { font-size: 0.85rem; opacity: 0.85; }
@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; } }

/* ---------- Grids & Cards ---------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }

.icon-tile {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(184, 134, 59, 0.14);
  color: var(--color-accent-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}

.category-card { display: flex; flex-direction: column; height: 100%; }
.category-card h3 { font-size: 1.15rem; }
.category-card p { color: var(--color-text-muted); font-size: 0.95rem; flex-grow: 1; }
.category-card .card-link { font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; font-size: 0.92rem; }
.category-card .card-link svg { transition: transform var(--transition); }
.category-card:hover .card-link svg { transform: translateX(4px); }

.product-card { }
.product-card .tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent-dark); }
.product-card h4 { margin-top: 6px; font-size: 1.08rem; }
.product-card p { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: 16px; }
.product-card .btn { font-size: 0.82rem; padding: 9px 18px; }

.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-item .icon-tile { margin-bottom: 0; flex-shrink: 0; }
.feature-item h4 { font-size: 1.02rem; margin-bottom: 6px; }
.feature-item p { color: var(--color-text-muted); font-size: 0.92rem; margin: 0; }

/* ---------- About snippet / split sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split.reverse .split-media { order: 2; }
.split-media img, .split-media .art-frame { border-radius: var(--radius-lg); }
.check-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 0.97rem; }
.check-list svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }

.art-frame {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

/* ---------- Timeline ---------- */
.timeline { position: relative; margin-left: 12px; padding-left: 32px; border-left: 2px solid var(--color-border); }
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline-item strong { color: var(--color-accent-dark); font-size: 0.85rem; letter-spacing: 0.04em; }
.timeline-item h4 { margin: 4px 0 6px; }
.timeline-item p { color: var(--color-text-muted); margin: 0; font-size: 0.94rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(247,245,238,0.82); margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Map / markets ---------- */
.market-list { display: flex; flex-direction: column; gap: 18px; }
.market-row { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.market-row strong { font-family: var(--font-heading); color: var(--color-primary-dark); }
.market-row span { color: var(--color-text-muted); font-size: 0.9rem; }
.pill { background: rgba(31,58,92,0.10); color: var(--color-primary); font-size: 0.78rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; }

/* ---------- Rating ---------- */
.rating-badge { display: flex; align-items: center; gap: 12px; }
.rating-badge .stars { color: var(--color-accent); }
.rating-badge strong { font-family: var(--font-heading); font-size: 1.3rem; color: var(--color-primary-dark); }
.rating-badge span { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 10px; }
.form-success {
  display: none;
  background: rgba(47,115,85,0.10);
  color: var(--color-success);
  border: 1px solid rgba(47,115,85,0.3);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 18px;
}
.form-success.show { display: block; }

.contact-info-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 16px; }
.contact-info-card h4 { margin-bottom: 4px; font-size: 1rem; }
.contact-info-card p { margin: 0; color: var(--color-text-muted); font-size: 0.92rem; }

.map-placeholder {
  border-radius: var(--radius-lg);
  min-height: 260px;
  background: repeating-linear-gradient(45deg, var(--color-bg-alt), var(--color-bg-alt) 10px, #e2e5e9 10px, #e2e5e9 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  text-align: center;
  padding: 24px;
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.map-embed iframe {
  width: 100%;
  height: 320px;
  display: block;
  border: 0;
}

/* ---------- Breadcrumb / page header ---------- */
.page-header {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: 56px 0 48px;
}
.page-header .eyebrow { background: rgba(232,199,102,0.16); color: var(--color-accent-light); }
.page-header h1 { color: #fff; margin-bottom: 10px; font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.page-header p { color: rgba(247,245,238,0.78); max-width: 620px; margin: 0; }
.breadcrumb { font-size: 0.85rem; opacity: 0.75; margin-bottom: 16px; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-primary-dark); color: rgba(247,245,238,0.78); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(247,245,238,0.12); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand strong { color: #fff; font-family: var(--font-heading); }
.footer-col h5 { color: #fff; font-family: var(--font-heading); font-size: 0.95rem; margin-bottom: 18px; letter-spacing: 0.02em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent-light); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; margin-bottom: 14px; }
.footer-contact svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 0.82rem; flex-wrap: wrap; gap: 10px; }
.footer-bottom a:hover { color: var(--color-accent-light); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

.badge-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.badge-chip { display: flex; align-items: center; gap: 8px; background: var(--color-surface); border: 1px solid var(--color-border); padding: 9px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; color: var(--color-primary-dark); }
.badge-chip svg { color: var(--color-accent); }

@media (max-width: 900px) {
  .grid-4.stats-grid { grid-template-columns: repeat(2,1fr); }
  .cta-banner { padding: 36px 28px; text-align: center; justify-content: center; }
}