/* ==========================================================================
   Starling Corporate – Master Design System & Stylesheet
   Variant A: Editorial Authority (Playbook: Professional & B2B Services)
   Strict WCAG AA Compliance, Zero Render-Blocking Bloat, Mobile-First
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Root Design Tokens & Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette (Exact Hex Specs from design_brief.json) */
  --color-background: #f8fafd;
  --color-surface: #ffffff;
  --color-text: #0d171f;
  --color-muted: #4b5e6d;
  --color-primary: #006778;
  --color-primary-text: #ffffff;
  --color-primary-hover: #004f5c;
  --color-accent: #b48222;
  --color-accent-text: #ffffff;
  --color-accent-dark: #845b0d; /* High-contrast text on light surfaces */
  --color-dark: #061822;
  --color-dark-text: #ffffff;
  --color-hero-bg: #08222e;
  --color-hero-text: #ffffff;

  /* Architectural & Structural Tints */
  --color-border-light: rgba(13, 23, 31, 0.12);
  --color-border-dark: rgba(255, 255, 255, 0.14);
  --color-card-bg: #ffffff;
  --color-card-border: rgba(0, 103, 120, 0.12);
  --color-dark-card: rgba(255, 255, 255, 0.05);

  /* Typography Families */
  --font-display: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-body: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing Scale */
  --space-xxs: 0.25rem;  /* 4px */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4.5rem;   /* 72px */
  --space-4xl: 6rem;     /* 96px */

  /* Fluid Layout Radii & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(6, 24, 34, 0.06);
  --shadow-md: 0 4px 14px rgba(6, 24, 34, 0.08);
  --shadow-lg: 0 10px 28px rgba(6, 24, 34, 0.12);
  --shadow-dark: 0 12px 32px rgba(0, 0, 0, 0.35);

  /* Container Max Width */
  --container-max: 1240px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  background-color: var(--color-background);
  color: var(--color-text);
}

body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: clip;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Accessible Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   3. Typography Hierarchy (Editorial Authority)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 4.2vw + 0.5rem, 3.5rem);
  line-height: 1.15;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.65rem, 2.8vw + 0.3rem, 2.5rem);
  line-height: 1.22;
}

h3 {
  font-size: clamp(1.25rem, 1.8vw + 0.2rem, 1.75rem);
  line-height: 1.32;
  font-weight: 600;
}

h4 {
  font-size: 1.15rem;
  line-height: 1.4;
  font-weight: 600;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

.lead-text {
  font-size: clamp(1.1rem, 1.3vw, 1.35rem);
  line-height: 1.55;
  color: var(--color-muted);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.eyebrow--dark-bg {
  color: #d19e3d;
}

/* --------------------------------------------------------------------------
   4. Layout Containers & Grid System
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 960px;
}

.section {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.section--sm {
  padding-block: clamp(2.5rem, 4vw, 4rem);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-dark-text);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.85);
}

.section--hero-bg {
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
}

.section--hero-bg h2,
.section--hero-bg h3,
.section--hero-bg h4 {
  color: var(--color-hero-text);
}

.section--primary-bg {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
}

.section--primary-bg h2,
.section--primary-bg h3,
.section--primary-bg h4 {
  color: var(--color-primary-text);
}

.section--white {
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 4vw, 3.75rem);
}

.section-header--left {
  text-align: left;
  margin-inline: 0;
}

.section-header h2 {
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   5. Buttons & Interactive Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  padding: 0.875rem 1.625rem;
  min-height: 48px;
  border-radius: var(--radius-sm);
  transition: all 0.22s ease-in-out;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
  box-shadow: 0 2px 6px rgba(0, 103, 120, 0.2);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-primary-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 103, 120, 0.35);
}

.btn--accent {
  background-color: var(--color-accent);
  color: #061822;
  border-color: var(--color-accent);
  font-weight: 700;
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background-color: #c9932b;
  border-color: #c9932b;
  color: #061822;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(180, 130, 34, 0.4);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-hero-text);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  color: #ffffff;
}

.btn--secondary-dark {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn--secondary-dark:hover,
.btn--secondary-dark:focus-visible {
  background-color: rgba(13, 23, 31, 0.05);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--block {
  width: 100%;
}

.btn-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   6. Top Bar (Desktop & Mobile <= 36px)
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: #041017;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 38px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.top-bar__left,
.top-bar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color 0.15s ease;
}

.top-bar a:hover,
.top-bar a:focus-visible {
  color: var(--color-accent);
}

.top-bar svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

.top-bar__tag {
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

@media (max-width: 767px) {
  .top-bar {
    height: 34px;
  }
  .top-bar__left {
    display: none; /* Hide long descriptor on mobile */
  }
  .top-bar__right {
    width: 100%;
    justify-content: space-around;
    gap: 0.5rem;
    flex-wrap: nowrap;
  }
  .top-bar a {
    font-size: 0.775rem;
    padding: 2px 4px;
  }
  .top-bar__full-text {
    display: none;
  }
  .top-bar__short-text {
    display: inline;
  }
}

@media (min-width: 768px) {
  .top-bar__short-text {
    display: none;
  }
  .top-bar__full-text {
    display: inline;
  }
}

/* --------------------------------------------------------------------------
   7. Pinned Site Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-hero-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(6, 24, 34, 0.25);
  transition: background-color 0.2s ease;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
  height: 72px;
}

.header__logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  min-width: 0;
  flex: 0 1 auto;
}

.header__logo-img {
  height: clamp(34px, 8vw, 48px);
  width: auto;
  max-width: min(60vw, 210px);
  object-fit: contain;
}

/* Desktop Navigation */
.header__nav {
  display: none;
}

@media (min-width: 992px) {
  .header__inner {
    height: 80px;
  }
  .header__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
  }
  .nav-list a {
    color: rgba(255, 255, 255, 0.88);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0.25rem;
    position: relative;
    transition: color 0.2s ease;
  }
  .nav-list a:hover,
  .nav-list a:focus-visible,
  .nav-list a.active {
    color: #ffffff;
  }
  .nav-list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.2s ease;
  }
  .nav-list a:hover::after,
  .nav-list a.active::after {
    width: 100%;
  }
  .header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
}

/* Mobile Header Controls (<992px) */
.header__mobile-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline-start: auto;
}

@media (min-width: 992px) {
  .header__mobile-controls {
    display: none;
  }
}

.header__phone-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.header__phone-icon-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.header__menu-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #ffffff;
  padding: 0;
  transition: background-color 0.2s ease;
}

.header__menu-btn:hover,
.header__menu-btn:focus-visible {
  background: rgba(255, 255, 255, 0.15);
}

.header__menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.header__menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.header__menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-dark);
  border-bottom: 2px solid var(--color-primary);
  padding: 1.5rem var(--container-pad) 2rem;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.45);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  display: block;
  animation: slideDown 0.25s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  display: flex;
  flex-direction: column;
}

.mobile-nav-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav-list a {
  display: block;
  padding: 0.95rem 0;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 600;
  transition: color 0.2s ease, padding-inline-start 0.2s ease;
}

.mobile-nav-list a:hover,
.mobile-nav-list a.active {
  color: var(--color-accent);
  padding-inline-start: 6px;
}

.mobile-drawer__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   8. Hero Section (Split Layout, Brand-Tint-Pattern)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding-block: clamp(3.5rem, 6.5vw, 6.5rem);
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Geometric stippling Murmuration pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(rgba(0, 188, 212, 0.14) 1.5px, transparent 1.5px),
    radial-gradient(rgba(0, 188, 212, 0.08) 1px, transparent 1px);
  background-size: 32px 32px, 16px 16px;
  background-position: 0 0, 8px 8px;
  opacity: 0.85;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

@media (min-width: 992px) {
  .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(4px);
}

.hero__proof-badge .stars {
  color: #ffbc0d;
}

.hero__headline {
  color: #ffffff;
  margin-bottom: 1.25rem;
  font-weight: 700;
  text-wrap: balance;
}

.hero__subheadline {
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero__fiduciary-notice {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero__fiduciary-notice svg {
  width: 14px;
  height: 14px;
  fill: var(--color-accent);
  flex-shrink: 0;
}

.hero__media {
  position: relative;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-dark);
  border: 1px solid rgba(255, 255, 255, 0.15);
  aspect-ratio: 16 / 11;
  background: #04141c;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero__image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(6, 24, 34, 0.95), transparent);
  padding: 1.25rem 1rem 0.75rem;
  color: #ffffff;
  font-size: 0.8125rem;
}

.hero__floating-card {
  position: absolute;
  bottom: -1rem;
  right: -0.5rem;
  background: #061822;
  border: 1px solid rgba(180, 130, 34, 0.4);
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  color: #ffffff;
  max-width: 220px;
}

.hero__floating-card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.hero__floating-card-stat {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}

@media (max-width: 576px) {
  .hero__floating-card {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   9. Section 1: Proven Transaction Outcomes (Dark Metrics Band)
   -------------------------------------------------------------------------- */
.metrics-band {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

.metric-item {
  text-align: center;
  padding: 1.25rem 0.75rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-item:last-child {
  border-right: none;
}

@media (max-width: 767px) {
  .metric-item:nth-child(2) {
    border-right: none;
  }
}

.metric-item__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-item__num span {
  color: var(--color-accent);
}

.metric-item__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   10. Signature Section: The 7x Landmark Case Study (Variant A)
   -------------------------------------------------------------------------- */
.case-study-signature {
  background-color: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.case-study__card {
  background: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-md);
  position: relative;
}

.case-study__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 3.5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 992px) {
  .case-study__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.case-study__metrics-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-block: 1.75rem;
}

@media (min-width: 600px) {
  .case-study__metrics-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.case-metric {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.case-metric__val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.case-metric__label {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.4vw, 1.35rem);
  line-height: 1.6;
  font-style: italic;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  margin-block: 1.5rem;
}

.case-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-style: normal;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.case-author strong {
  color: var(--color-text);
  font-weight: 600;
}

.case-study__aside {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.case-study__aside h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.deal-breakdown-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.deal-breakdown-list li {
  display: flex;
  justify-content: space-between;
  padding-block: 0.6rem;
  border-bottom: 1px dashed var(--color-border-light);
  font-size: 0.9375rem;
}

.deal-breakdown-list li:last-child {
  border-bottom: none;
}

.deal-breakdown-list span:first-child {
  color: var(--color-muted);
}

.deal-breakdown-list span:last-child {
  font-weight: 600;
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   11. Section 2: Specialist Industry Sectors
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
}

@media (min-width: 576px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .sectors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sector-card {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.sector-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 103, 120, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.sector-card__icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.sector-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.sector-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.sector-card__meta {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   12. Section 3: The 4-Stage Starling Selling Method (Primary Band)
   -------------------------------------------------------------------------- */
.process-section {
  background-color: var(--color-primary);
  color: #ffffff;
  position: relative;
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.process-step__num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.process-step p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.process-step__tag {
  margin-top: auto;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-block;
}

/* --------------------------------------------------------------------------
   13. Section 4: Why Business Owners Choose Starling Corporate
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 992px) {
  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why-feature-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.why-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 103, 120, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-feature-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.why-feature-text h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.why-feature-text p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.why-media-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 11;
  background: #061822;
}

.why-media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   14. Section 5: Regional Presence (Leeds, London, Edinburgh)
   -------------------------------------------------------------------------- */
.hubs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .hubs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hub-card {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

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

.hub-card__image-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0d171f;
}

.hub-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hub-card:hover .hub-card__image {
  transform: scale(1.04);
}

.hub-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.hub-card__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.hub-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.hub-card address {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.hub-card__footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hub-card__footer a {
  font-size: 0.875rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   15. Section 6: Client Reviews (Real Google Reviews, Dark Band)
   -------------------------------------------------------------------------- */
.reviews-section {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.review-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.review-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.review-card__stars {
  color: #ffbc0d;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.review-card__source {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.review-card__source svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.review-card blockquote {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.review-card__author {
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.review-card__author-verified {
  font-size: 0.75rem;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   16. Section 7: Advisory FAQ (Accordion / Question Blocks)
   -------------------------------------------------------------------------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 860px;
  margin-inline: auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-trigger {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  background: none;
  border: none;
}

.faq-trigger svg {
  width: 18px;
  height: 18px;
  fill: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   17. Section 8: Closing CTA Band (HeroBg Band)
   -------------------------------------------------------------------------- */
.closing-cta {
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(4rem, 7vw, 6.5rem);
}

.closing-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(rgba(0, 188, 212, 0.12) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  opacity: 0.7;
}

.closing-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin-inline: auto;
}

.closing-cta h2 {
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.closing-cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  margin-bottom: 2.25rem;
}

.closing-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.closing-cta__guarantee {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.closing-cta__guarantee svg {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
}

/* --------------------------------------------------------------------------
   18. Forms (Contact, Buy, Sell)
   -------------------------------------------------------------------------- */
.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.form-label .required {
  color: #c93b2b;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 103, 120, 0.15);
  outline: none;
  background: #ffffff;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

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

@media (min-width: 600px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
  .form-row--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.form-disclaimer {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.45;
  margin-top: 0.75rem;
}

.form-status {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  display: none;
}

.form-status--success {
  background: #e6f6ee;
  color: #0b6138;
  border: 1px solid #99d8b7;
}

/* --------------------------------------------------------------------------
   19. Tables & Data Visualizations (AEO / GEO Factual Density)
   -------------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-block: 1.5rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
  background: #f1f4f8;
  color: var(--color-text);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: rgba(0, 103, 120, 0.03);
}

/* --------------------------------------------------------------------------
   20. Global Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: clamp(3.5rem, 5vw, 5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 600px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer__col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer__logo-img {
  width: 180px;
  height: auto;
  margin-bottom: 1.25rem;
}

.footer__links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__links-list a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer__links-list a:hover,
.footer__links-list a:focus-visible {
  color: var(--color-accent);
}

.footer__contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__contact-item a {
  color: #ffffff;
  text-decoration: none;
}

.footer__contact-item a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  padding-block: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer__credits a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   21. Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background-color: var(--color-primary-hover);
  color: #ffffff;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   22. Responsive Breakpoint Refinements
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
  }
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-group .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   23. Reduced Motion Support
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}