/* ============================================================
   index.css — Home Page
   Theme: Steel Grey + White
   Philosophy-first redesign — products covered in STELL pages
   ============================================================ */

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(255,255,255,0.016) 80px),
    repeating-linear-gradient(0deg,  transparent, transparent 79px, rgba(255,255,255,0.016) 80px);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107,122,141,0.16) 0%, transparent 70%);
  top: -150px; right: -100px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 130px 28px 100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--steel); }
.hero-eyebrow span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel-mid);
}
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--text-white);
  margin-bottom: 22px;
}
.hero h1 em { font-style: normal; color: var(--steel-mid); }
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.45);
  max-width: 480px;
  line-height: 1.82;
  font-weight: 300;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero right — identity card */
.hero-identity-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hic-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hic-row:first-child { padding-top: 0; }
.hic-row:last-child { border-bottom: none; padding-bottom: 0; }
.hic-icon {
  font-size: 1.3rem; flex-shrink: 0;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.hic-label {
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--steel-mid); margin-bottom: 3px;
}
.hic-val {
  font-size: 0.88rem; font-weight: 600;
  color: rgba(255,255,255,0.78); line-height: 1.4;
}

/* ── STEEL AS INVESTMENT ──────────────────────────────────── */
.investment-section {
  padding: var(--sp-xl) 28px;
  background: var(--bg-white);
}
.investment-section .section-inner { max-width: 1180px; margin: 0 auto; }
.investment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}
.inv-big-stat {
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.inv-big-stat::before {
  content: '₹';
  position: absolute;
  right: -10px; bottom: -20px;
  font-size: 10rem; font-weight: 800;
  color: rgba(255,255,255,0.03); line-height: 1;
}
.ibs-label {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--steel-mid); margin-bottom: 12px;
}
.ibs-headline {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800; color: var(--text-white);
  line-height: 1.25; margin-bottom: 20px;
}
.ibs-desc {
  font-size: 0.9rem; color: rgba(255,255,255,0.4); line-height: 1.78;
}
.inv-metals-row {
  display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap;
}
.inv-metal-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 30px;
  font-size: 0.72rem; font-weight: 600;
  color: rgba(255,255,255,0.6); letter-spacing: 0.06em;
}
.metal-dot { width: 8px; height: 8px; border-radius: 50%; }
.gold-dot   { background: #f0c040; }
.silver-dot { background: #c0c8d0; }
.steel-dot  { background: var(--steel-mid); }

.inv-points { display: flex; flex-direction: column; gap: 16px; }
.inv-point {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 20px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.inv-point:hover {
  background: var(--bg-white);
  border-color: var(--steel-light);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.inv-point-icon {
  font-size: 1.3rem; flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); display: flex;
  align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}
.inv-point-text h4 { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.inv-point-text p { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.68; }

/* ── COMPARISON TABLE ─────────────────────────────────────── */
.compare-section {
  padding: var(--sp-xl) 28px;
  background: var(--bg-page);
}
.compare-section .section-inner { max-width: 1180px; margin: 0 auto; }
.compare-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
}
.compare-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.compare-card.winner {
  border-color: var(--steel);
  box-shadow: 0 0 0 2px rgba(107,122,141,0.18), var(--shadow-md);
}
.cc-head { padding: 26px 24px 20px; position: relative; }
.compare-card.winner  .cc-head { background: var(--bg-dark); }
.compare-card.loser-1 .cc-head { background: #3d2a1a; }
.compare-card.loser-2 .cc-head { background: #1f1f28; }
.cc-winner-badge {
  position: absolute; top: 14px; right: 14px;
  font-size: 0.56rem; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--steel); color: white;
  padding: 4px 10px; border-radius: 30px;
}
.cc-material-icon { font-size: 1.8rem; margin-bottom: 10px; }
.cc-material-name {
  font-size: 1.2rem; font-weight: 800;
  color: var(--text-white); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 4px;
}
.cc-material-sub { font-size: 0.7rem; color: rgba(255,255,255,0.38); font-weight: 500; }
.cc-body { background: var(--bg-white); padding: 18px 20px 22px; }
.cc-trait {
  display: flex; align-items: flex-start;
  gap: 10px; padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.83rem; line-height: 1.55;
}
.cc-trait:last-child { border-bottom: none; padding-bottom: 0; }
.cc-trait .tick { font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.cc-trait .trait-text { color: var(--text-secondary); }
.cc-trait .trait-text strong { color: var(--text-primary); font-weight: 700; display: block; }

/* ── DETAILED ADVANTAGES ──────────────────────────────────── */
.advantages-section {
  padding: var(--sp-xl) 28px;
  background: var(--bg-white);
}
.advantages-section .section-inner { max-width: 1180px; margin: 0 auto; }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.adv-card {
  padding: 28px 24px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.adv-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--steel);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}
.adv-card:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  border-color: var(--steel-light);
  transform: translateY(-2px);
}
.adv-card:hover::after { transform: scaleY(1); }
.adv-icon { font-size: 1.8rem; margin-bottom: 14px; }
.adv-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.adv-card p { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.72; }

/* ── WARRANTY & SERVICE ───────────────────────────────────── */
.warranty-section {
  padding: var(--sp-xl) 28px;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.warranty-section::before {
  content: '10';
  position: absolute;
  right: -30px; top: -40px;
  font-size: 22rem; font-weight: 800;
  color: rgba(255,255,255,0.025); line-height: 1;
  pointer-events: none;
}
.warranty-section .section-inner {
  max-width: 1180px; margin: 0 auto; position: relative; z-index: 2;
}
.warranty-section .label-tag { color: var(--steel-mid); }
.warranty-section .section-heading { color: var(--text-white); }
.warranty-section .section-heading span { color: var(--steel-mid); }
.warranty-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}
.warranty-number-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  text-align: center;
}
.w-big-num {
  font-size: 7rem; font-weight: 800;
  color: var(--text-white); line-height: 1; margin-bottom: 0;
}
.w-big-num sup { font-size: 2.2rem; color: var(--steel-mid); vertical-align: super; }
.w-big-label {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--steel-mid); margin-bottom: 20px; margin-top: 8px;
}
.w-divider { width: 40px; height: 1px; background: rgba(255,255,255,0.1); margin: 0 auto 20px; }
.w-subtext { font-size: 0.85rem; color: rgba(255,255,255,0.35); line-height: 1.78; }
.w-service-note {
  margin-top: 20px; padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  font-size: 0.78rem; color: rgba(255,255,255,0.35);
  line-height: 1.65; text-align: left;
}
.service-list { display: flex; flex-direction: column; gap: 14px; }
.service-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.service-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
}
.si-icon {
  font-size: 1.2rem; width: 42px; height: 42px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.si-text h4 { font-size: 0.9rem; font-weight: 700; color: rgba(255,255,255,0.8); margin-bottom: 4px; }
.si-text p { font-size: 0.82rem; color: rgba(255,255,255,0.35); line-height: 1.65; }

/* ── OUR MOTTO ────────────────────────────────────────────── */
.motto-section { padding: var(--sp-xl) 28px; background: var(--bg-page); }
.motto-section .section-inner { max-width: 1180px; margin: 0 auto; }
.motto-box {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.motto-quote {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 20px;
  position: relative;
  padding-left: 24px;
}
.motto-quote::before {
  content: '';
  position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 4px; background: var(--steel); border-radius: 2px;
}
.motto-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.82; }
.motto-values { display: flex; flex-direction: column; gap: 12px; }
.motto-value {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition);
  cursor: default;
}
.motto-value:hover {
  background: var(--bg-dark);
  color: var(--text-white);
  border-color: var(--bg-dark);
}
.mv-icon { font-size: 1.1rem; }

/* ── BRANDS STRIP ─────────────────────────────────────────── */
.brands-strip { padding: 64px 28px; background: var(--bg-white); border-top: 1px solid var(--border); }
.brands-strip .section-inner {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.brand-entry {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 28px 32px;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  text-decoration: none; transition: all var(--transition);
}
.brand-entry:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.brand-entry.stell { background: var(--stell-dark); border-color: var(--stell-dark); }
.brand-entry.novaa { background: #0e0e0e; border-color: rgba(196,80,26,0.25); }
.be-tag {
  font-size: 0.58rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 30px;
  margin-bottom: 6px; display: inline-block;
}
.brand-entry.stell .be-tag { background: rgba(74,144,196,0.25); color: var(--stell-accent); }
.brand-entry.novaa .be-tag { background: rgba(196,80,26,0.2); color: var(--novaa-amber); }
.be-name { font-size: 2.2rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-white); }
.be-desc { font-size: 0.78rem; color: rgba(255,255,255,0.38); margin-top: 4px; }
.be-arrow { font-size: 1.5rem; color: rgba(255,255,255,0.28); transition: transform var(--transition), color var(--transition); }
.brand-entry:hover .be-arrow { transform: translateX(5px); color: rgba(255,255,255,0.7); }

/* ── FINAL CTA ────────────────────────────────────────────── */
.home-cta { padding: var(--sp-xl) 28px; background: var(--bg-page); }
.home-cta-box {
  max-width: 1180px; margin: 0 auto;
  background: var(--bg-dark); border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap; position: relative; overflow: hidden;
}
.home-cta-box::before {
  content: '';
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(107,122,141,0.12) 0%, transparent 70%);
  right: -100px; bottom: -100px; pointer-events: none;
}
.home-cta-box h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: var(--text-white); margin-bottom: 10px; }
.home-cta-box p { font-size: 0.95rem; color: rgba(255,255,255,0.38); max-width: 440px; line-height: 1.75; }
.home-cta-btns { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; position: relative; z-index: 2; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-identity-card { display: none; }
  .investment-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .warranty-grid { grid-template-columns: 1fr; }
  .motto-box { grid-template-columns: 1fr; gap: 36px; padding: 44px 28px; }
}
@media (max-width: 768px) {
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .brands-strip .section-inner { grid-template-columns: 1fr; }
  .home-cta-box { padding: 44px 24px; flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .adv-grid { grid-template-columns: 1fr; }
}