/* ════════════════════════════════════════════════════════════════════════════
   Sterling Spark Pvt Ltd — Main Stylesheet
   Palette: #143C76 (brand blue) | #CF0012 (accent red) | #FFFFFF (primary bg)
   Body font: Inter | Display: handled via SVG logo
   ════════════════════════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Lora:wght@400;600&display=swap");

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

html,
body {
  overflow-x: hidden;
  max-width: 100%;
}

:root {
  --blue: #143c76;
  --blue-dark: #0d2a55;
  --blue-light: #1e5299;
  --red: #cf0012;
  --white: #ffffff;
  --off-white: #f5f7fb;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #0f172a;

  --font-body: "Inter", system-ui, sans-serif;
  --font-display: "Lora", Georgia, serif;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(20, 60, 118, 0.08);
  --shadow: 0 4px 16px rgba(20, 60, 118, 0.12);
  --shadow-lg: 0 12px 40px rgba(20, 60, 118, 0.18);

  --nav-h: 76px;
  --section-pad: 88px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Utility ─────────────────────────────────────────────────────────────── */
.container {
  width: min(1200px, 100%);
  margin-inline: auto;
  padding-inline: 24px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 640px;
  line-height: 1.75;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn-wa {
  background: #25d366;
  color: var(--white);
  border-color: #25d366;
}
.btn-wa:hover {
  background: #1ebe5b;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* ── Navigation ──────────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 1px 0 var(--gray-200), 0 2px 12px rgba(20, 60, 118, 0.07);
}

/* Always show dark logo — white nav throughout */
.nav-logo-light {
  display: none !important;
}
.nav-logo-dark {
  display: block !important;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: rgba(20, 60, 118, 0.07);
}

.nav-cta {
  margin-left: 16px;
}
.nav-cta .btn {
  padding: 9px 20px;
  font-size: 0.875rem;
}

/* Mobile menu hidden on desktop */
.nav-mobile-menu {
  display: none;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("../images/hero-background.jpg") center/cover no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 42, 85, 0.88) 0%,
    rgba(20, 60, 118, 0.72) 60%,
    rgba(20, 60, 118, 0.45) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(20px + var(--nav-h));
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge span.dot {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 720px;
}

.hero-title em {
  font-style: normal;
  color: #93c5fd;
}

.hero-lead {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.hero-capacity {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 45px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 40px;
  width: fit-content;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 32px;
  text-align: center;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ── About Snapshot ──────────────────────────────────────────────────────── */
#about {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--blue);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-badge-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
}

.about-badge-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--gray-600);
}
.about-text p:last-child {
  margin-bottom: 0;
}

/* ── Who We Serve ────────────────────────────────────────────────────────── */
#who-we-serve {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}

.serve-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.serve-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: box-shadow 0.25s, transform 0.25s;
}

.serve-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.serve-img {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-100);
}

.serve-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.serve-icon {
  width: 44px;
  height: 44px;
  background: rgb(234 239 248);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -22px auto 14px;
  position: relative;
  border: 3px solid var(--white);
}

.serve-icon svg {
  width: 20px;
  height: 20px;
  color: var(--blue);
}

.serve-card h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 6px;
  padding: 0 14px;
}

.serve-card p {
  font-size: 0.8125rem;
  color: var(--gray-600);
  line-height: 1.55;
  padding: 0 16px 22px;
}

/* ── Services ────────────────────────────────────────────────────────────── */
#services {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}

.services-header {
  text-align: center;
  margin-bottom: 56px;
}
.services-header .section-lead {
  margin-inline: auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(20, 60, 118, 0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--blue);
}

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ── Why Choose ──────────────────────────────────────────────────────────── */
#why {
  padding: var(--section-pad) 0;
  background: var(--blue);
  color: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.why-text .section-title {
  color: var(--white);
}
.why-text .section-eyebrow {
  color: #93c5fd;
}
.why-text .section-lead {
  color: rgba(255, 255, 255, 0.72);
}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.why-feature {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: background 0.2s;
}

.why-feature:hover {
  background: rgba(255, 255, 255, 0.12);
}

.why-feature-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.why-feature h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}

.why-feature p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

/* ── Process ─────────────────────────────────────────────────────────────── */
#process {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.process-header {
  text-align: center;
  margin-bottom: 64px;
}
.process-header .section-lead {
  margin-inline: auto;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.process-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  margin-bottom: 20px;
  transition: all 0.3s;
  flex-shrink: 0;
  position: relative;
}

.process-num svg {
  width: 26px;
  height: 26px;
}

.process-num-badge {
  position: absolute;
  bottom: -6px;
  right: -6px;
  width: 24px;
  height: 24px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  border: 2px solid var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
}

.process-step.active .process-num,
.process-step:hover .process-num {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.process-step:hover .process-num-badge {
  background: var(--red);
}

.process-step h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.825rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ── Stats ───────────────────────────────────────────────────────────────── */
#stats {
  padding: 72px 0;
  background: var(--off-white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 16px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin-top: 6px;
  font-weight: 500;
}

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
#faq {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 72px;
  align-items: start;
}

.faq-sidebar .section-lead {
  margin-top: 12px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item.open {
  border-color: var(--blue);
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-700);
  gap: 12px;
  transition: color 0.2s;
}

.faq-item.open .faq-trigger {
  color: var(--blue);
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s, background 0.2s;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  background: var(--blue);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 20px 18px;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── CTA Banner ──────────────────────────────────────────────────────────── */
#cta-banner {
  padding: 80px 0;
  background: linear-gradient(
    135deg,
    var(--blue-dark) 0%,
    var(--blue) 60%,
    var(--blue-light) 100%
  );
  color: var(--white);
  text-align: center;
}

#cta-banner .section-title {
  color: var(--white);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

#cta-banner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.0625rem;
  margin: 16px auto 36px;
  /* max-width: 520px; */
  max-width: 590px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Request Quote Form ──────────────────────────────────────────────────── */
#quote-form-section {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}

.quote-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: start;
}

.quote-aside .section-lead {
  margin-top: 12px;
}

.quote-contact-list {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quote-contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.qc-icon {
  width: 36px;
  height: 36px;
  background: rgba(20, 60, 118, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qc-icon svg {
  width: 16px;
  height: 16px;
  color: var(--blue);
}

.qc-text a {
  color: var(--blue);
  font-weight: 500;
}
.qc-label {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

/* Form card */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full {
  grid-column: 1 / -1;
}

label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
}

label .req {
  color: var(--red);
  margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--gray-700);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(20, 60, 118, 0.1);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.form-recaptcha {
  margin: 16px 0;
}

.form-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* Alert messages */
.form-alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: none;
}

.form-alert.success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  display: block;
}
.form-alert.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  display: block;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
#footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
  height: 40px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
  margin-bottom: 20px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.7);
  transition: background 0.2s, color 0.2s;
}

.footer-social a:hover {
  background: var(--blue);
  color: var(--white);
}

.footer-col h5 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}
.footer-col ul a:hover {
  color: var(--white);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}
.footer-contact-item a:hover {
  color: var(--white);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
}

.iso-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Coming Soon Pages ───────────────────────────────────────────────────── */
.coming-soon {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  background: var(--off-white);
  padding-top: var(--nav-h);
}

.coming-soon-icon {
  width: 80px;
  height: 80px;
  background: rgba(20, 60, 118, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.coming-soon-icon svg {
  width: 36px;
  height: 36px;
  color: var(--blue);
}

.coming-soon h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--blue);
  margin-bottom: 12px;
}

.coming-soon p {
  color: var(--gray-600);
  max-width: 420px;
  margin: 0 auto 32px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid,
  .why-grid,
  .faq-layout,
  .quote-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .process-timeline::before {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Mobile menu */
  .nav-mobile-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--blue-dark);
    padding: 20px 24px 28px;
    flex-direction: column;
    gap: 4px;
    z-index: 999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  }

  .nav-mobile-menu.open {
    display: flex;
  }
  .nav-mobile-menu a {
    display: block;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
  }
  .nav-mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
  }
  .nav-mobile-menu .btn {
    margin-top: 8px;
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
  }
  .hero-stats .hero-stat:last-child {
    grid-column: 1 / -1;
    text-align: center;
  }

  .why-features {
    grid-template-columns: 1fr;
  }
  .serve-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full {
    grid-column: 1;
  }
  .form-submit-row {
    flex-direction: column;
    align-items: stretch;
  }
  .form-submit-row .btn-submit {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .form-card {
    padding: 20px;
  }
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ── Spin animation (form submit button loading state) ───────────────────── */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.spin {
  animation: spin 0.8s linear infinite;
}

.quote-aside,
.form-card {
  min-width: 0;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #d33;
}
.field-error {
  display: block;
  color: #d33;
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ════════════════════════════════════════════════════════════════════════════
   SUB-PAGE STYLES — About Us & Capabilities
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Shared sub-page page hero ───────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 0;
  background: var(--white);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-bottom: 72px;
}

.page-hero-text .section-eyebrow {
  color: var(--red);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.15;
  margin-bottom: 8px;
}

.page-hero-title-rule {
  width: 48px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin: 16px 0 24px;
}

.page-hero-body {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.75;
}

.page-hero-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.page-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Alternating content rows (About Us sections) ────────────────────────── */
.content-rows {
  padding: 0 0 var(--section-pad);
}

.content-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 72px 0;
  border-top: 1px solid var(--gray-200);
}

.content-row.reverse {
  direction: rtl;
}
.content-row.reverse > * {
  direction: ltr;
}

.content-row-img {
  position: relative;
}

.content-row-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

.content-row-icon {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 56px;
  height: 56px;
  background: var(--white);
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  z-index: 2;
}

.content-row.reverse .content-row-icon {
  right: auto;
  left: -16px;
}

.content-row-icon svg {
  width: 24px;
  height: 24px;
  color: var(--blue);
}

.content-row-text .section-eyebrow {
  color: var(--red);
}

.content-row-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 12px;
}

.content-row-text h2 + .rule {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 20px;
}

.content-row-text p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 14px;
}

.content-row-text p:last-child {
  margin-bottom: 0;
}

/* ── About CTA banner (dark blue) ────────────────────────────────────────── */
.about-cta {
  background: linear-gradient(
    135deg,
    var(--blue-dark) 0%,
    var(--blue) 60%,
    var(--blue-light) 100%
  );
  padding: 80px 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.about-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-cta-text .section-eyebrow {
  color: #93c5fd;
}

.about-cta-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.about-cta-text p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.7;
}

.about-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.about-cta-watermark {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.about-cta-watermark::before {
  content: "";
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Capabilities page hero ──────────────────────────────────────────────── */
.cap-hero-body {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.75;
}

/* ── Capabilities: Four core section ────────────────────────────────────── */
.cap-four {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}

.cap-four-header {
  text-align: center;
  margin-bottom: 16px;
}

.cap-four-header .cap-sub-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-700);
  margin-bottom: 16px;
}

.cap-four-header .section-title {
  margin-bottom: 0;
}

.cap-card-imgwrap {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.cap-card-imgwrap img {
  display: block;
  margin: 0 auto;
  object-fit: cover;
  object-position: center;
  /* width: 100%; */
  /* height: 100%; */
}

.cap-divider {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin: 12px auto 20px;
}

.cap-four-lead {
  font-size: 0.9375rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto 56px;
  text-align: center;
  line-height: 1.7;
}

.cap-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cap-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: box-shadow 0.25s, transform 0.25s;
}

.cap-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.cap-card-imgwrap {
  position: relative;
}

.cap-card-imgwrap img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.cap-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cap-card-badge svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

.cap-card-num {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--white);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  line-height: 1.4;
  box-shadow: var(--shadow-sm);
}

.cap-card-body {
  padding: 20px;
}

.cap-card-body h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 4px;
}

.cap-card-subtitle {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.cap-card-body p {
  font-size: 0.8375rem;
  color: var(--gray-600);
  line-height: 1.65;
}

.cap-accent-blue {
  background: #143c76;
}
.cap-accent-green {
  background: #16a34a;
}
.cap-accent-purple {
  background: #7c3aed;
}
.cap-accent-orange {
  background: #d97706;
}

.cap-subtitle-blue {
  color: #143c76;
}
.cap-subtitle-green {
  color: #16a34a;
}
.cap-subtitle-purple {
  color: #7c3aed;
}
.cap-subtitle-orange {
  color: #d97706;
}

/* ── Capabilities: How they come together ────────────────────────────────── */
.cap-together {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.cap-together-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}

.cap-together-text .section-eyebrow {
  color: var(--red);
}

.cap-together-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 8px;
}

.cap-together-text .rule {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 20px;
}

.cap-together-text p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.75;
}

.cap-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.cap-table thead tr {
  background: var(--blue);
  color: var(--white);
}

.cap-table thead th {
  padding: 14px 20px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
}

.cap-table tbody tr {
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  transition: background 0.15s;
}

.cap-table tbody tr:last-child {
  border-bottom: none;
}
.cap-table tbody tr:hover {
  background: var(--off-white);
}

.cap-table td {
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--gray-700);
  vertical-align: top;
}

.cap-table-cap-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cap-table-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cap-table-icon svg {
  width: 14px;
  height: 14px;
  color: var(--white);
}

.cap-table td:first-child {
  width: 40%;
}

.cap-table-name {
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.3;
}

/* ── Capabilities: Sterling Spark Difference ─────────────────────────────── */
.cap-difference {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}

.cap-difference-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.cap-difference-text .section-eyebrow {
  color: var(--red);
}

.cap-difference-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 8px;
}

.cap-difference-text .rule {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 20px;
}

.cap-difference-text p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 16px;
}

.cap-difference-text .cap-highlight {
  font-style: italic;
  font-weight: 600;
  color: var(--blue);
}

.cap-difference-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.cap-difference-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Responsive: sub-pages ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cap-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .cap-together-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cap-difference-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-cta-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .page-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .content-row {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }
  .content-row.reverse {
    direction: ltr;
  }
  .content-row-icon {
    right: 16px;
    left: auto !important;
    bottom: -16px;
  }
  .cap-cards {
    grid-template-columns: 1fr;
  }
  .about-cta-actions {
    flex-direction: column;
  }
  .about-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}