/* ============================================================
   Kelkoo — Premium B2B Performance Marketing Website
   HTML5 + CSS3 only. No JavaScript. No frameworks.
   ============================================================ */

/* ----- Design Tokens ----- */
:root {
  /* Color system */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fb;
  --color-bg-dark: #0b1430;
  --color-bg-darker: #060c20;
  --color-surface: #ffffff;
  --color-surface-alt: #fafbfd;
  --color-border: #e6e9f0;
  --color-border-strong: #d4d9e3;

  --color-text: #0f1a36;
  --color-text-muted: #5a6378;
  --color-text-light: #8089a0;
  --color-text-on-dark: #f5f6fa;
  --color-text-on-dark-muted: rgba(245, 246, 250, 0.7);

  --color-primary: #1547d6;
  --color-primary-dark: #0f37a8;
  --color-primary-light: #e8eefc;
  --color-accent: #0fb37c;
  --color-accent-dark: #0a8c5f;
  --color-warning: #d97706;

  --color-overlay: rgba(11, 20, 48, 0.55);

  /* Typography */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-w: 1200px;
  --max-w-narrow: 880px;
  --header-h: 76px;

  /* Radii */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(11, 20, 48, 0.05);
  --shadow-sm: 0 2px 8px rgba(11, 20, 48, 0.06);
  --shadow: 0 4px 20px rgba(11, 20, 48, 0.08);
  --shadow-lg: 0 12px 40px rgba(11, 20, 48, 0.12);
  --shadow-glow: 0 8px 32px rgba(21, 71, 214, 0.18);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Transitions */
  --tr-fast: 0.15s ease;
  --tr: 0.25s ease;
  --tr-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Padding bottom to account for cookie banner */
  padding-bottom: 92px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

svg {
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--tr);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.4rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.4rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

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

/* ----- Accessibility ----- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  font-size: 0.9rem;
}

.skip-link:focus {
  top: 16px;
  color: #fff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ----- Utilities ----- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

.section {
  padding: var(--space-20) 0;
}

.section--lg {
  padding: var(--space-24) 0;
}

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

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

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

.section--dark p {
  color: var(--color-text-on-dark-muted);
}

.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Section header */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section--dark .eyebrow {
  color: var(--color-accent);
}

.section-header {
  max-width: 720px;
  margin-bottom: var(--space-12);
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header p {
  font-size: 1.08rem;
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  cursor: pointer;
  transition: all var(--tr);
  border: 1px solid transparent;
  text-align: center;
  line-height: 1.3;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

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

.btn--secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost-light {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn--white {
  background: #fff;
  color: var(--color-bg-dark);
  border-color: #fff;
}

.btn--white:hover {
  background: var(--color-bg-alt);
  color: var(--color-bg-dark);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn--sm {
  padding: 9px 18px;
  font-size: 0.84rem;
}

.btn-arrow {
  transition: transform var(--tr);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--color-text);
}

.brand__mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-bg-dark));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav a {
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color var(--tr);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile nav toggle (CSS only) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.nav-check {
  display: none;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-alt) 100%);
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(21, 71, 214, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__copy {
  max-width: 580px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 30px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--color-primary);
}

.hero__lede {
  font-size: 1.12rem;
  margin-bottom: var(--space-8);
  color: var(--color-text-muted);
  max-width: 520px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: var(--space-10);
}

.hero__visual {
  position: relative;
}

.hero__card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero__card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.hero__card-title {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

.hero__card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(15, 179, 124, 0.12);
  padding: 3px 10px;
  border-radius: 20px;
}

.hero__card-stat {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.hero__card-label {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.hero__card-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 90px;
}

.hero__card-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(21, 71, 214, 0.4) 100%);
  border-radius: 4px 4px 0 0;
  min-height: 18px;
}

.hero__card-bar:nth-child(1) { height: 35%; }
.hero__card-bar:nth-child(2) { height: 55%; }
.hero__card-bar:nth-child(3) { height: 45%; }
.hero__card-bar:nth-child(4) { height: 70%; }
.hero__card-bar:nth-child(5) { height: 60%; }
.hero__card-bar:nth-child(6) { height: 85%; }
.hero__card-bar:nth-child(7) { height: 100%; background: linear-gradient(180deg, var(--color-accent) 0%, rgba(15, 179, 124, 0.4) 100%); }

/* Trust strip */
.trust-strip {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.trust-strip__label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
}

.trust-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  opacity: 0.85;
  transition: opacity var(--tr);
  white-space: nowrap;
}

.trust-logo:hover {
  opacity: 1;
}

/* ----- Metrics Section ----- */
.metrics {
  padding: var(--space-16) 0;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.metric {
  text-align: left;
  padding: 0 var(--space-4);
  border-left: 2px solid var(--color-accent);
}

.metric__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.metric__label {
  font-size: 0.92rem;
  color: var(--color-text-on-dark-muted);
  line-height: 1.5;
}

/* ----- Service Cards ----- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--tr);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.service-card h3 {
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-5);
  flex: 1;
}

.service-card__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  transition: gap var(--tr);
}

.service-card__link:hover {
  gap: 8px;
}

/* Service detail (services.html) */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__sticky {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}

.service-detail h2 {
  margin-bottom: var(--space-4);
}

.service-detail .eyebrow {
  margin-bottom: var(--space-3);
}

.service-detail__list {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0 var(--space-8);
}

.service-detail__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.96rem;
  color: var(--color-text);
}

.service-detail__list li::before {
  content: "";
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary-light);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'><path d='M3 8.5l3 3 7-7' stroke='%231547d6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 3px;
}

.service-detail__panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.service-detail__panel h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.service-detail__panel ul li {
  font-size: 0.92rem;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail__panel ul li:last-child {
  border-bottom: none;
}

/* ----- Why Us / Differentiators ----- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.diff-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6) 0;
}

.diff-card__num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.diff-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}

.diff-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* ----- Process Steps ----- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.process-step {
  position: relative;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--tr);
}

.process-step:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.process-step__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: var(--space-4);
  letter-spacing: 0.04em;
}

.process-step h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: 0.92rem;
  margin: 0;
}

/* ----- Case Study Cards ----- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--tr);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.case-card__media {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.case-card__sector {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.02em;
}

.case-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-card__category {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.case-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-3);
}

.case-card p {
  font-size: 0.92rem;
  margin-bottom: var(--space-4);
}

.case-card__metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.case-card__metric-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.case-card__metric-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Full case study (case-studies.html) */
.case-study {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border);
}

.case-study:last-child {
  border-bottom: none;
}

.case-study__head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: end;
  margin-bottom: var(--space-8);
}

.case-study__sector-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: var(--space-3);
}

.case-study h2 {
  margin-bottom: var(--space-3);
}

.case-study__client {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.case-study__body {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-8);
}

.case-study__col h3 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.case-study__col p {
  font-size: 0.96rem;
  color: var(--color-text);
}

.case-study__results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding: var(--space-8);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.case-study__result {
  text-align: center;
}

.case-study__result-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.case-study__result-label {
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

/* ----- Testimonials ----- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
}

.testimonial::before {
  content: "“";
  position: absolute;
  top: 12px;
  left: 24px;
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary-light);
  font-weight: 700;
}

.testimonial__quote {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-weight: 500;
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-bg-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
}

.testimonial__name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  display: block;
}

.testimonial__role {
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

/* ----- Final CTA Section ----- */
.cta-final {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(15, 179, 124, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-final h2 {
  color: #fff;
  margin-bottom: var(--space-4);
}

.cta-final p {
  font-size: 1.08rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-8);
}

.cta-final__btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ----- Page Hero (sub-pages) ----- */
.page-hero {
  padding: var(--space-16) 0 var(--space-12);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, #fff 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__inner {
  max-width: 760px;
}

.page-hero h1 {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.page-hero p {
  font-size: 1.12rem;
  color: var(--color-text-muted);
}

/* ----- About Page ----- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-grid__visual {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.about-stat {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
}

.about-stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.about-stat__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-3);
}

.value-card p {
  font-size: 0.92rem;
  margin: 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.team-member {
  text-align: center;
}

.team-member__avatar {
  width: 100%;
  aspect-ratio: 1;
  max-width: 180px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
}

.team-member__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.team-member__role {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ----- Contact Page ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info-block {
  margin-bottom: var(--space-8);
}

.contact-info-block h3 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.contact-info-block p {
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

.contact-info-block a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-strong);
}

.contact-info-block a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.regions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.region-pill {
  padding: 8px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-size: 0.84rem;
  color: var(--color-text);
  text-align: center;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.contact-form h2 {
  font-size: 1.6rem;
  margin-bottom: var(--space-2);
}

.contact-form > p {
  font-size: 0.94rem;
  margin-bottom: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--tr), box-shadow var(--tr);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(21, 71, 214, 0.1);
}

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

.form-group__help {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ----- Legal Pages ----- */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-12) 0;
}

.legal-content > p:first-of-type {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
}

.legal-content h2 {
  margin-top: var(--space-10);
  font-size: 1.5rem;
}

.legal-content h2:first-of-type {
  margin-top: var(--space-6);
}

.legal-content h3 {
  margin-top: var(--space-6);
  font-size: 1.15rem;
}

.legal-content p,
.legal-content li {
  font-size: 0.98rem;
  line-height: 1.75;
}

.legal-content ul {
  margin: var(--space-3) 0 var(--space-5) var(--space-6);
  list-style: disc;
}

.legal-content li {
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0;
  font-size: 0.92rem;
}

.legal-content th,
.legal-content td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
}

.legal-content th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
}

/* ----- Footer ----- */
.site-footer {
  background: var(--color-bg-darker);
  color: var(--color-text-on-dark-muted);
  padding: var(--space-16) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.site-footer .brand {
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer-about p {
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-5);
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-5);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-text-on-dark-muted);
  font-size: 0.9rem;
  transition: color var(--tr);
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact-item {
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-contact-item strong {
  display: block;
  color: #fff;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}

.footer-contact-item a {
  color: var(--color-text-on-dark-muted);
}

.footer-contact-item a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.84rem;
  color: var(--color-text-on-dark-muted);
}

.footer-bottom__legal {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-bottom__legal a {
  color: var(--color-text-on-dark-muted);
}

.footer-bottom__legal a:hover {
  color: #fff;
}

/* ----- Cookie Banner ----- */
.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 980px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.cookie-banner__content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
  min-width: 240px;
}

.cookie-banner__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.cookie-banner__text {
  font-size: 0.92rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}

.cookie-banner__text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__btns {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero__visual {
    max-width: 480px;
  }

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

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

  .metrics__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10) var(--space-8);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .service-detail__sticky {
    position: static;
  }

  .case-study__body {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .case-study__head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .case-study__results {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-6);
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 140px;
  }

  .section,
  .section--lg {
    padding: var(--space-16) 0;
  }

  .hero {
    padding: var(--space-12) 0 var(--space-12);
  }

  .nav-toggle {
    display: flex;
    z-index: 110;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: right var(--tr);
    z-index: 100;
    border-left: 1px solid var(--color-border);
  }

  .nav-check:checked ~ .main-nav {
    right: 0;
  }

  .header-cta .btn {
    display: none;
  }

  .header-cta {
    gap: 8px;
  }

  .services-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .metrics__grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }

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

  .cookie-banner {
    flex-direction: column;
    text-align: center;
    bottom: 8px;
    width: calc(100% - 16px);
    padding: var(--space-4) var(--space-5);
  }

  .cookie-banner__content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  .cookie-banner__btns {
    width: 100%;
    justify-content: center;
  }

  .regions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-final__btns {
    flex-direction: column;
  }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
  }

  html {
    scroll-behavior: auto;
  }

  .service-card:hover,
  .case-card:hover,
  .btn--primary:hover,
  .btn--white:hover {
    transform: none;
  }
}

/* ----- Print ----- */
@media print {
  .site-header,
  .site-footer,
  .cookie-banner,
  .cta-final,
  .hero__cta,
  .nav-toggle {
    display: none;
  }

  body {
    padding-bottom: 0;
    color: #000;
    background: #fff;
  }
}