/* ============================================================
   O2 Infinite Pvt Ltd — Site Stylesheet
   Palette (from brand logo): Petrol Navy #0D3550 / #10505C · Emerald #149E72 · Green #4CC87E
   ============================================================ */

:root {
  --navy: #0d3550;
  --navy-dark: #082735;
  --navy-mid: #10505c;
  --teal: #149e72;
  --teal-light: #4cc87e;
  --teal-pale: #e7f7ef;
  --ink: #223129;
  --muted: #5b6e66;
  --bg: #ffffff;
  --bg-soft: #f3f8f5;
  --card: #ffffff;
  --line: #dce9e2;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(13, 53, 80, 0.10);
  --shadow-lg: 0 14px 40px rgba(13, 53, 80, 0.16);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Poppins", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--navy); }

.container { width: min(1140px, 92%); margin: 0 auto; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand img { height: 46px; width: auto; }

.brand-text { line-height: 1.15; }
.brand-text .brand-name {
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--navy);
  letter-spacing: 0.04em;
}
.brand-text .brand-tag {
  font-size: 0.68rem;
  color: var(--teal);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.nav-links a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover { color: var(--teal); }
.nav-links a.active { color: var(--navy); border-bottom-color: var(--teal); }

.nav-cta {
  background: linear-gradient(120deg, var(--teal), var(--navy-mid));
  color: #fff !important;
  padding: 0.55rem 1.3rem !important;
  border-radius: 999px;
  border-bottom: none !important;
  box-shadow: var(--shadow);
}
.nav-cta:hover { opacity: 0.92; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.7rem;
  color: var(--navy);
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(76, 200, 126, 0.28), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(20, 158, 114, 0.18), transparent 55%),
    linear-gradient(160deg, var(--navy-dark), var(--navy) 55%, var(--navy-mid));
  color: #fff;
  padding: 5.5rem 0 6rem;
  text-align: center;
}

.hero .eyebrow {
  display: inline-block;
  background: rgba(76, 200, 126, 0.15);
  border: 1px solid rgba(76, 200, 126, 0.45);
  color: var(--teal-light);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: 820px;
  margin: 0 auto 1.1rem;
}

.hero h1 .accent { color: var(--teal-light); }

.hero p.lead {
  max-width: 680px;
  margin: 0 auto 2.2rem;
  color: #d0e9dc;
  font-size: 1.08rem;
}

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(120deg, var(--teal-light), var(--teal));
  color: var(--navy-dark);
  box-shadow: 0 8px 22px rgba(76, 200, 126, 0.35);
}
.btn-primary:hover { color: var(--navy-dark); opacity: 0.95; }

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  margin-left: 0.8rem;
}
.btn-outline:hover { color: #fff; border-color: var(--teal-light); }

.btn-navy {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-navy:hover { color: #fff; background: var(--navy-mid); }

/* ---------- Sections ---------- */
.section { padding: 4.5rem 0; }
.section.soft { background: var(--bg-soft); }

.section-head { text-align: center; max-width: 700px; margin: 0 auto 3rem; }

.section-head .kicker {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: var(--navy);
  margin: 0.4rem 0 0.8rem;
  line-height: 1.25;
}

.section-head p { color: var(--muted); }

/* ---------- Cards / Grids ---------- */
.grid { display: grid; gap: 1.6rem; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.6rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.card .icon {
  width: 54px;
  height: 54px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--teal-pale), #d2f0df);
  margin-bottom: 1.1rem;
}

.card h3 { color: var(--navy); font-size: 1.12rem; margin-bottom: 0.55rem; }
.card p { color: var(--muted); font-size: 0.93rem; }

/* ---------- Value strip ---------- */
.values-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

.value-pill {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 1.5rem;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.92rem;
  box-shadow: var(--shadow);
}
.value-pill span { color: var(--teal); margin-right: 0.4rem; }

/* ---------- Split section ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split h2 { color: var(--navy); font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin-bottom: 1rem; line-height: 1.3; }
.split p { color: var(--muted); margin-bottom: 1rem; }

.split .panel {
  background: linear-gradient(160deg, var(--navy-dark), var(--navy-mid));
  border-radius: var(--radius);
  padding: 2.6rem 2.2rem;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.split .panel img { width: 70%; margin: 0 auto; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  text-align: center;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1rem;
  box-shadow: var(--shadow);
}

.stat .num { font-size: 2rem; font-weight: 700; color: var(--navy); }
.stat .num em { color: var(--teal); font-style: normal; }
.stat .label { color: var(--muted); font-size: 0.88rem; }

/* ---------- Leaders ---------- */
.leader-card { text-align: left; }

.leader-card .avatar {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.55rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--teal-light), var(--navy-mid));
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.leader-card .role {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.7rem;
}

.leader-card .exp {
  display: inline-block;
  background: var(--teal-pale);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.2rem 0.85rem;
  margin-bottom: 0.8rem;
}

/* ---------- Products ---------- */
.category-band {
  border-radius: var(--radius);
  padding: 2.8rem 2.4rem;
  color: #fff;
  background: linear-gradient(140deg, var(--navy-dark), var(--navy-mid) 70%, var(--teal));
  margin-bottom: 2.2rem;
  box-shadow: var(--shadow-lg);
}

.category-band .kicker {
  color: var(--teal-light);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.category-band h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0.35rem 0 0.7rem; }
.category-band p { color: #d0e9dc; max-width: 720px; }

.product-img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1.1rem;
  border: 1px solid var(--line);
}

/* ---------- Card carousel ---------- */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
  margin-bottom: 1.1rem;
  background: #fff;
}
.carousel-track {
  display: flex;
  transition: transform 0.6s ease;
}
.carousel-slide { min-width: 100%; }
.carousel-slide img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  display: block;
}
.carousel-dots {
  position: absolute;
  bottom: 9px;
  left: 0;
  right: 0;
  display: flex;
  gap: 6px;
  justify-content: center;
}
.carousel-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}
.carousel-dots button.active { background: #fff; transform: scale(1.25); }

/* ---------- Gallery grid (welcome kit page) ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.gallery-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

.product-card .badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-pale);
  border-radius: 999px;
  padding: 0.22rem 0.8rem;
  margin-bottom: 0.8rem;
}

/* ---------- Blog ---------- */
.blog-card { display: flex; flex-direction: column; }

.blog-card .thumb {
  border-radius: 10px;
  height: 150px;
  display: grid;
  place-items: center;
  font-size: 2.6rem;
  color: #fff;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, var(--navy-mid), var(--teal));
}

.blog-card .meta { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.5rem; }
.blog-card .meta .tag { color: var(--teal); font-weight: 600; }

.blog-card .read-more { margin-top: auto; font-weight: 600; font-size: 0.9rem; padding-top: 0.9rem; }

.blog-post { max-width: 780px; margin: 0 auto 3.5rem; }
.blog-post h2 { color: var(--navy); font-size: 1.55rem; margin-bottom: 0.4rem; line-height: 1.3; }
.blog-post .meta { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.1rem; }
.blog-post p { color: var(--ink); margin-bottom: 1rem; }
.blog-post ul { margin: 0 0 1rem 1.3rem; color: var(--ink); }
.blog-post li { margin-bottom: 0.4rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info .info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.4rem;
}

.contact-info .info-item .icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--teal-pale), #d2f0df);
}

.contact-info h4 { color: var(--navy); font-size: 1rem; }
.contact-info p { color: var(--muted); font-size: 0.92rem; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-lg);
}

.contact-form h3 { color: var(--navy); margin-bottom: 1.2rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-size: 0.93rem;
  color: var(--ink);
  background: var(--bg-soft);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20, 158, 114, 0.18);
}

.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.8rem; }

.form-status {
  display: none;
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 500;
}
.form-status.ok { display: block; background: #e8f8ef; color: #1d7a46; border: 1px solid #bfe8d0; }
.form-status.err { display: block; background: #fdeeee; color: #a03030; border: 1px solid #f0c5c5; }

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

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(800px 300px at 90% 0%, rgba(76, 200, 126, 0.3), transparent 60%),
    linear-gradient(140deg, var(--navy-dark), var(--navy-mid));
  border-radius: var(--radius);
  color: #fff;
  text-align: center;
  padding: 3.4rem 2rem;
  box-shadow: var(--shadow-lg);
}

.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 0.7rem; }
.cta-band p { color: #d0e9dc; margin-bottom: 1.8rem; max-width: 620px; margin-inline: auto; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: #b5cfc3;
  padding: 3.5rem 0 0;
  margin-top: 4.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.4rem;
  padding-bottom: 2.6rem;
}

.site-footer h4 {
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.55rem; font-size: 0.92rem; overflow-wrap: anywhere; }
.site-footer a { color: #b5cfc3; }
.site-footer a:hover { color: var(--teal-light); }

.footer-brand img { height: 52px; margin-bottom: 0.9rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.9rem; max-width: 300px; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.2rem 0;
  font-size: 0.83rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(150deg, var(--navy-dark), var(--navy) 60%, var(--navy-mid));
  color: #fff;
  text-align: center;
  padding: 3.6rem 0;
}

.page-hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 0.6rem; }
.page-hero p { color: #d0e9dc; max-width: 640px; margin: 0 auto; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 4%;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open { display: flex; }

  .grid.cols-3, .grid.cols-2, .grid.cols-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-outline { margin-left: 0; margin-top: 0.8rem; }
  .hero { padding: 4rem 0; }
}