/* ============================================================
   SDG Vvyom Infrra — Design tokens
   Navy + flame-orange drawn directly from the company mark.
   ============================================================ */
:root {
  --navy-950: #081426;
  --navy-900: #0b1e3d;
  --navy-800: #132a4d;
  --navy-700: #1d3a66;
  --ink: #10182a;
  --slate: #4b5568;
  --slate-light: #7c8698;
  --paper: #f6f7fb;
  --paper-raised: #ffffff;
  --line: #e3e6ee;
  --flame: #e0661a;
  --flame-dark: #c2530f;
  --gold: #e0a938;

  --display: 'Fraunces', Georgia, serif;
  --text: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--text);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(8, 20, 38, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 40px; width: auto; }
.brand-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  color: #f4f6fb;
  line-height: 1.15;
}
.brand-name small {
  display: block;
  font-family: var(--text);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: #9db0cf;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  font-size: 0.92rem;
  color: #c7d2e6;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: #ffffff; }
.nav-cta {
  background: var(--flame);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.88rem;
}
.nav-cta:hover { background: var(--flame-dark); }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .main-nav { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(circle at 82% 10%, rgba(224, 105, 26, 0.16), transparent 45%), var(--navy-900);
  color: #f4f6fb;
  padding: 108px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  color: var(--flame);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 22px;
  color: #ffffff;
}
.hero p.lede {
  font-size: 1.12rem;
  line-height: 1.65;
  color: #c7d2e6;
  max-width: 46ch;
  margin: 0 0 34px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--flame);
  color: #fff;
}
.btn-primary:hover { background: var(--flame-dark); }
.btn-ghost {
  border-color: rgba(255,255,255,0.28);
  color: #f4f6fb;
}
.btn-ghost:hover { border-color: #fff; }

.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.hero-stats div span {
  display: block;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
}
.hero-stats div small {
  color: #93a3c1;
  font-size: 0.78rem;
}

.hero-mark {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-mark img {
  width: 100%;
  max-width: 360px;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.45));
}

/* ---------- Section shell ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 72px 0; }
.section-head {
  border-left: 3px solid var(--flame);
  padding-left: 20px;
  margin-bottom: 48px;
  max-width: 640px;
}
.section-head h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 2rem;
  margin: 0 0 10px;
  color: var(--navy-900);
}
.section-head p {
  color: var(--slate);
  margin: 0;
  line-height: 1.6;
}
.on-dark .section-head h2 { color: #fff; }
.on-dark .section-head p { color: #a9b7d1; }

/* ---------- Overview (two-column panels) ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 34px 36px;
}
.panel h3 {
  font-family: var(--display);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--navy-900);
}
.panel ul { margin: 0; padding: 0; list-style: none; }
.panel li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 16px;
  color: var(--slate);
  line-height: 1.6;
  font-size: 0.98rem;
}
.panel li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--flame);
  border-radius: 50%;
}
.panel li strong { color: var(--ink); }

@media (max-width: 860px) {
  .overview-grid { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-mark { order: -1; max-width: 220px; margin: 0 auto 24px; }
}

/* ---------- Sectors (asymmetric rows, not identical cards) ---------- */
.sector-list {
  display: flex;
  flex-direction: column;
}
.sector-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.sector-row:last-child { border-bottom: 1px solid var(--line); }
.sector-row h3 {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0;
}
.sector-row p {
  color: var(--slate);
  line-height: 1.68;
  margin: 0;
  max-width: 62ch;
}

@media (max-width: 720px) {
  .sector-row { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- Equity statement band ---------- */
.equity-band {
  background: var(--navy-950);
  color: #f4f6fb;
  padding: 88px 0;
}
.equity-band .wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.equity-label {
  font-family: var(--display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--flame);
  line-height: 1;
  margin: 0;
}
.equity-label small {
  display: block;
  font-family: var(--text);
  font-weight: 600;
  font-size: 1rem;
  color: #c7d2e6;
  letter-spacing: 0.02em;
  margin-top: 10px;
}
.equity-copy p {
  color: #c7d2e6;
  line-height: 1.75;
  margin: 0 0 18px;
  font-size: 1.02rem;
}
.equity-copy strong { color: #fff; }

@media (max-width: 860px) {
  .equity-band .wrap { grid-template-columns: 1fr; }
}

/* ---------- Lifecycle timeline (genuine sequence — numbering earned) ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: phase;
}
.phase {
  padding: 0 28px 0 0;
  border-left: 2px solid var(--line);
  padding-left: 24px;
  position: relative;
}
.phase:first-child { border-left: none; padding-left: 0; }
.phase-index {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--flame);
  margin-bottom: 10px;
}
.phase h4 {
  font-family: var(--display);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 10px;
}
.phase p {
  color: var(--slate);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 860px) {
  .timeline { grid-template-columns: 1fr; gap: 28px; }
  .phase { border-left: none; padding-left: 0; border-top: 2px solid var(--line); padding-top: 20px; }
  .phase:first-child { border-top: none; padding-top: 0; }
}

/* ---------- Contact ---------- */
.contact-section {
  background: var(--navy-900);
  color: #f4f6fb;
  padding: 96px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 40px;
}
.contact-info dl {
  margin: 0;
}
.contact-info dt {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: #93a3c1;
  margin-bottom: 6px;
}
.contact-info dd {
  margin: 0 0 28px;
  font-size: 1.06rem;
  color: #fff;
}
.status-banner {
  background: rgba(224, 105, 26, 0.14);
  border: 1px solid rgba(224, 105, 26, 0.4);
  color: #ffd9b8;
  padding: 14px 18px;
  border-radius: 4px;
  margin-bottom: 24px;
  font-size: 0.92rem;
}
form.inquiry-form {
  display: grid;
  gap: 16px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inquiry-form label {
  display: block;
  font-size: 0.8rem;
  color: #a9b7d1;
  margin-bottom: 6px;
}
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  color: #f4f6fb;
  border-radius: 3px;
  padding: 11px 14px;
  font-family: var(--text);
  font-size: 0.94rem;
}
.inquiry-form textarea { resize: vertical; min-height: 100px; }
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: 2px solid var(--flame);
  outline-offset: 1px;
}
.error-text {
  color: #ffb4a0;
  font-size: 0.78rem;
  margin-top: 4px;
}
.inquiry-form button {
  margin-top: 8px;
  justify-self: start;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .field-row { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: #93a3c1;
  padding: 36px 0;
  font-size: 0.86rem;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer .brand-name { color: #d5deee; font-size: 0.94rem; }
.site-footer .brand-name small { color: #6d7ea3; }