/* ============================================================
   M/s S.K. Gandhi — Website Stylesheet
   Colors: Navy #0D1B2A | Red #C0392B | White #FFFFFF | Light #F4F4F4
   Fonts: Libre Baskerville (headings) + Source Sans 3 (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;600;700&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0D1B2A;
  --navy-mid:   #162336;
  --navy-light: #1E3050;
  --red:        #C0392B;
  --red-dark:   #A93226;
  --white:      #FFFFFF;
  --off-white:  #F4F4F4;
  --grey:       #D0D0D0;
  --text-dark:  #1A1A1A;
  --text-mid:   #444444;
  --text-light: #888888;
  --font-head:  'Libre Baskerville', Georgia, serif;
  --font-body:  'Source Sans 3', 'Helvetica Neue', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.25;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 0.5rem; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 0.4rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; color: var(--text-mid); font-size: 1.05rem; }
p:last-child { margin-bottom: 0; }

/* ── Layout ── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 72px 0; }
section.alt { background: var(--off-white); }
section.dark { background: var(--navy); }

.section-label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-head);
  color: var(--navy);
  margin-bottom: 1.2rem;
}

.section-title.on-dark { color: var(--white); }

.divider {
  width: 48px;
  height: 3px;
  background: var(--red);
  margin: 0 0 1.8rem 0;
}

/* ── Navigation ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 3px solid var(--red);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-logo img {
  height: 44px;
  width: auto;
  /* Logo is rectangular — adjust height to fit your actual logo proportions */
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-text .brand-name {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.nav-logo-text .brand-sub {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  padding: 0.45rem 0.4rem;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(192,57,43,0.18);
}

.nav-links a.active {
  color: var(--red);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s;
}

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  color: var(--grey);
  padding: 56px 0 0;
  border-top: 3px solid var(--red);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand .brand-name {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.footer-brand .brand-sub {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--grey);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.55rem;
}

.footer-col ul li a {
  color: var(--grey);
  font-size: 0.92rem;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--red); }

.footer-col address {
  font-style: normal;
  color: var(--grey);
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-col address a { color: var(--grey); transition: color 0.2s; }
.footer-col address a:hover { color: var(--red); }

.footer-bottom {
  border-top: 1px solid var(--navy-light);
  padding: 1.2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-light);
}

.footer-bottom span { color: var(--red); }

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 2rem;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-outline-red {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn-outline-red:hover {
  background: var(--red);
  color: var(--white);
}

/* ── Hero (shared) ── */
.page-hero {
  background: var(--navy);
  padding: 64px 0 56px;
  border-bottom: 3px solid var(--red);
}

.page-hero .section-label { color: rgba(192,57,43,0.85); }

.page-hero h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.page-hero p {
  color: #a0aebf;
  font-size: 1.1rem;
  max-width: 640px;
}

/* ── Stat bar ── */
.stat-bar {
  background: var(--navy-light);
  padding: 2.5rem 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}

.stat-item {
  padding: 1rem 1.5rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}

.stat-accent { color: var(--red); }

/* ── Media placeholder ── */
.media-placeholder {
  background: #e8eaed;
  border: 2px dashed #aab0bb;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  font-family: var(--font-body);
  font-size: 0.88rem;
  text-align: center;
  padding: 1.5rem;
  gap: 0.5rem;
}

.media-placeholder svg {
  opacity: 0.45;
  margin-bottom: 0.3rem;
}

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid #e0e3e8;
  border-top: 3px solid var(--red);
  padding: 2rem;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: 0.95rem; }

/* ── Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.data-table th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
  padding: 0.85rem 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.88rem;
  text-transform: uppercase;
}

.data-table td {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid #e0e3e8;
  color: var(--text-mid);
}

.data-table tr:nth-child(even) td { background: var(--off-white); }
.data-table tr:hover td { background: #edf0f5; }

/* ── Two-col layout ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

/* ── Red accent list ── */
.check-list { margin: 1rem 0; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.5;
}
.check-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  min-width: 6px;
  background: var(--red);
  border-radius: 50%;
  margin-top: 0.55rem;
}

/* ── Capability strip ── */
.cap-strip {
  display: flex;
  gap: 0;
  border: 1px solid #e0e3e8;
  overflow: hidden;
  margin-top: 2.5rem;
}

.cap-item {
  flex: 1;
  padding: 1.8rem 1.4rem;
  border-right: 1px solid #e0e3e8;
  text-align: center;
}
.cap-item:last-child { border-right: none; }

.cap-item h4 {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.cap-item p { font-size: 0.88rem; color: var(--text-light); }

/* ── Gallery grid ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
}

.gallery-item .media-placeholder {
  height: 220px;
}

.gallery-caption {
  background: var(--navy);
  color: var(--grey);
  font-size: 0.82rem;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-body);
  line-height: 1.3;
}

/* ── Contact form ── */
.form-group { margin-bottom: 1.4rem; }

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #c8cdd5;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--navy);
}

.form-group textarea { resize: vertical; min-height: 130px; }

/* ── Client logos ── */
.client-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.client-card {
  border: 1px solid #e0e3e8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.client-card:hover {
  border-color: var(--red);
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

.client-logo-placeholder {
  width: 140px;
  height: 60px;
  background: #e8eaed;
  border: 1px dashed #aab0bb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 1rem;
  font-family: var(--font-body);
}

.client-name {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.client-sector {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-body);
}

/* ── Sector filter buttons (clients page) ── */
.filter-btn {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border: 1px solid #c8cdd5;
  color: var(--text-mid);
  background: var(--white);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.filter-btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-btn.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ── Process flow ── */
.process-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 2rem;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 0.5rem;
}

.process-step::after {
  content: '→';
  position: absolute;
  top: 20px;
  right: -10px;
  color: var(--red);
  font-size: 1.1rem;
  transform: translateY(-50%);
}

.process-step:last-child::after { display: none; }

.step-num {
  width: 42px;
  height: 42px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1rem;
  margin: 0 auto 0.75rem;
}

.process-step h4 {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.3;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .two-col.reverse { direction: ltr; }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-strip { flex-wrap: wrap; }
  .cap-item { min-width: 50%; }
  .process-flow { flex-wrap: wrap; gap: 1.5rem; }
  .process-step::after { display: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--navy); padding: 1rem; gap: 0; border-top: 1px solid var(--navy-light); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.8rem 1rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-toggle { display: flex; }
  .site-header { position: relative; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
  .two-col { gap: 1.5rem; }
}