/* ============================================
   Intellence OÜ — Main Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1a2744;
  --color-primary-light: #243352;
  --color-secondary: #0ea5e9;
  --color-secondary-dark: #0284c7;
  --color-cta: #f59e0b;
  --color-cta-hover: #d97706;
  --color-bg-light: #f8f9fa;
  --color-bg-white: #ffffff;
  --color-text: #374151;
  --color-text-light: #6b7280;
  --color-text-on-dark: #e5e7eb;
  --color-border: #e5e7eb;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --spacing-2xl: 7rem;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p + p { margin-top: var(--spacing-sm); }

/* --- Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

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

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

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

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

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-align: center;
  line-height: 1.4;
}

.btn--primary {
  background-color: var(--color-cta);
  color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-cta-hover);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-bg-white);
  border: 2px solid var(--color-bg-white);
}

.btn--secondary:hover {
  background-color: var(--color-bg-white);
  color: var(--color-primary);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn--outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 640px;
  margin: var(--spacing-sm) auto 0;
}

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

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow);
  transition: background-color var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 52px;
  width: auto;
  filter: invert(1) brightness(0.15) sepia(1) saturate(5) hue-rotate(195deg);
}

.header__logo:hover {
  opacity: 0.85;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-secondary);
  background-color: var(--color-bg-light);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.nav__dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-secondary);
}

/* Language switcher */
.lang-switch {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.lang-switch:hover {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* Nav CTA */
.nav__cta {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 5px 0;
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active .nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding-top: 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(26, 39, 68, 0.92) 0%,
    rgba(26, 39, 68, 0.8) 50%,
    rgba(26, 39, 68, 0.55) 100%
  );
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(14, 165, 233, 0.02) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.hero h1 {
  color: var(--color-bg-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* --- Service page hero (smaller) --- */
.hero--service {
  min-height: 50vh;
}

.hero--service h1 {
  font-size: 2.5rem;
}

/* --- Three Pillars / Service Cards --- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.pillar-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.pillar-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-secondary), #38bdf8);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-bg-white);
}

.pillar-card__icon svg {
  width: 28px;
  height: 28px;
}

.pillar-card h3 {
  margin-bottom: var(--spacing-xs);
}

.pillar-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.pillar-card__link {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pillar-card__link:hover {
  gap: 0.6rem;
}

/* --- Differentiator Strip --- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.diff-item {
  padding: var(--spacing-md);
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  color: var(--color-text);
}

.diff-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.diff-item__icon {
  width: 56px;
  height: 56px;
  margin: 0 0 var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-secondary), #38bdf8);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg-white);
}

.diff-item__icon svg {
  width: 26px;
  height: 26px;
}

.diff-item h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.diff-item p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* --- Problem Statement --- */
.problem-statement {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.problem-statement blockquote {
  font-size: 1.15rem;
  color: var(--color-text);
  line-height: 1.8;
  border-left: 4px solid var(--color-secondary);
  padding-left: var(--spacing-md);
  text-align: left;
  font-style: italic;
}

@media (max-width: 768px) {
  .problem-statement blockquote {
    font-size: 1rem;
    line-height: 1.7;
    padding-left: var(--spacing-sm);
  }
}

/* --- Portfolio / Case Study Cards --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.case-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

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

.case-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-secondary);
  background: rgba(14, 165, 233, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: var(--spacing-sm);
  align-self: flex-start;
}

.case-card__tag--opex {
  color: #059669;
  background: rgba(5, 150, 105, 0.1);
}

.case-card__tag--infosec {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
}

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

.case-card__problem,
.case-card__result {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.case-card__result {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  font-weight: 500;
  color: var(--color-text);
}

/* Filter buttons */
.filter-bar {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
  justify-content: center;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--color-text);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-secondary);
  color: var(--color-bg-white);
  border-color: var(--color-secondary);
}

/* --- Trust Signals / Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.stat-item__label {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* --- Team Cards --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.team-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--color-border);
}

.team-card__photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-sm);
  overflow: hidden;
  border: 3px solid var(--color-bg-light);
  box-shadow: var(--shadow-md);
}

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

.team-card h3 {
  margin-bottom: 0.25rem;
}

.team-card__title {
  color: var(--color-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.team-card__bio {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.team-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.team-card__tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: var(--color-bg-light);
  border-radius: 100px;
  color: var(--color-text-light);
  font-weight: 500;
}

.team-card__linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Approach / Philosophy --- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.approach-item {
  text-align: center;
  padding: var(--spacing-sm);
}

.approach-item__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.approach-item h4 {
  margin-bottom: var(--spacing-xs);
}

.approach-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Contact Section --- */
.contact-section {
  text-align: center;
}

.contact-section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

/* --- Contact Cards --- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) auto 0;
  max-width: 720px;
}

.contact-card {
  position: relative;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.contact-card:hover,
.contact-card:focus-within {
  border-color: transparent;
  box-shadow: 0 16px 32px rgba(26, 39, 68, 0.12);
  transform: translateY(-3px);
}

.contact-card:hover .contact-card__main::before,
.contact-card:focus-within .contact-card__main::before {
  transform: scaleX(1);
}

.contact-card:hover .contact-card__icon,
.contact-card:focus-within .contact-card__icon {
  background: var(--color-secondary);
  color: var(--color-bg-white);
}

.contact-card__main {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.4rem;
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  text-decoration: none;
  overflow: hidden;
}

.contact-card__main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-cta));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.contact-card__main:hover,
.contact-card__main:focus-visible {
  color: var(--color-text);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: 0.4rem;
  background: rgba(14, 165, 233, 0.12);
  color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition), color var(--transition);
}

.contact-card__icon svg {
  width: 26px;
  height: 26px;
}

.contact-card__label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-card__value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  word-break: break-word;
}

.contact-card__copy {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-light);
  cursor: pointer;
  font-family: inherit;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.contact-card__copy:hover,
.contact-card__copy:focus-visible {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-bg-white);
  outline: none;
}

.contact-card__copy-icon {
  width: 16px;
  height: 16px;
}

.contact-card__copy-icon--success {
  display: none;
}

.contact-card__copy.is-copied {
  background: #10b981;
  border-color: #10b981;
  color: var(--color-bg-white);
}

.contact-card__copy.is-copied .contact-card__copy-icon--default {
  display: none;
}

.contact-card__copy.is-copied .contact-card__copy-icon--success {
  display: block;
}

.contact-card__copy::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  padding: 0.25rem 0.5rem;
  background: var(--color-primary);
  color: var(--color-bg-white);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.contact-card__copy.is-copied::after {
  opacity: 1;
  transform: translateY(0);
}

/* --- CTA Strip --- */
.cta-strip {
  text-align: center;
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-light);
  color: var(--color-text);
}

.cta-strip h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.cta-strip p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.cta-strip .btn--primary {
  background-color: var(--color-cta);
  color: var(--color-primary);
}

.cta-strip .btn--primary:hover {
  background-color: var(--color-cta-hover);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer__brand {
  margin-bottom: var(--spacing-sm);
}

.footer__brand img {
  height: 28px;
  width: auto;
}

.footer__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-bg-white);
  display: none;
}

.footer__desc {
  font-size: 0.9rem;
  color: var(--color-text-on-dark);
  line-height: 1.6;
}

.footer h4 {
  color: var(--color-bg-white);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  color: var(--color-text-on-dark);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-secondary);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer__social a {
  color: var(--color-text-on-dark);
  transition: color var(--transition);
}

.footer__social a:hover {
  color: var(--color-secondary);
}

/* --- Service Detail Page --- */
.service-detail {
  padding: var(--spacing-xl) 0;
}

.service-detail__content {
  max-width: 800px;
  margin: 0 auto;
}

.service-detail h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.service-detail ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

.service-detail li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.service-detail li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
}

.service-detail blockquote {
  border-left: 4px solid var(--color-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  margin: var(--spacing-md) 0;
  color: var(--color-text);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--spacing-sm);
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  background: var(--color-bg-light);
  border-radius: 100px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  .hero h1 { font-size: 2.5rem; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3.5rem;
    --spacing-2xl: 5rem;
  }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  .hero h1 { font-size: 2rem; }
  .hero { min-height: auto; padding-top: 96px; padding-bottom: var(--spacing-lg); }
  .hero--service { min-height: auto; }

  .container { padding: 0 var(--spacing-sm); }

  .header__inner { padding: 0.75rem var(--spacing-sm); }
  .header__logo img { height: 44px; }

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

  .pillar-card,
  .diff-item { padding: var(--spacing-sm); }

  .team-card { padding: var(--spacing-md) var(--spacing-sm); }

  .team-card__photo { width: 120px; height: 120px; }

  .contact-card__main { padding: var(--spacing-md) var(--spacing-sm); }

  .hero__bg img { object-position: center center; }
  .hero__bg::after {
    background: rgba(26, 39, 68, 0.78);
  }
  .hero::before { display: none; }
  .hero__content { text-align: center; margin: 0 auto; }
  .hero__actions { justify-content: center; }

  /* Mobile nav */
  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem var(--spacing-md) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition);
    gap: var(--spacing-sm);
  }

  .nav.open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .nav__item { width: 100%; }

  .nav__link {
    padding: 0.75rem 0;
    width: 100%;
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: var(--spacing-sm);
    display: none;
  }

  .nav__item:hover .nav__dropdown,
  .nav__item.open .nav__dropdown {
    display: block;
  }

  .nav__cta {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-sm);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .nav-overlay.active {
    display: block;
  }

  /* Grids */
  .pillars,
  .diff-grid,
  .portfolio-grid,
  .stats-grid,
  .approach-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-cards {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* --- Noscript fallback --- */
.noscript-nav {
  background: var(--color-primary);
  padding: var(--spacing-sm);
  text-align: center;
}

.noscript-nav a {
  color: var(--color-bg-white);
  margin: 0 var(--spacing-xs);
  font-family: var(--font-body);
}

.noscript-footer {
  background: var(--color-primary);
  padding: var(--spacing-md);
  text-align: center;
  color: var(--color-bg-white);
  font-family: var(--font-body);
}

.noscript-footer a {
  color: var(--color-secondary);
}

/* --- Skip to content (accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-bg-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  z-index: 10000;
  font-size: 0.9rem;
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* --- Photo Gallery (Team page) --- */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.photo-gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.photo-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.photo-gallery__item:hover img {
  transform: scale(1.05);
}

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

/* --- Header logo dark variant for footer --- */
.header__logo--dark {
  filter: brightness(0) invert(1);
}

/* --- Testimonials Carousel --- */
.testimonials {
  overflow: hidden;
  position: relative;
}

.testimonials__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.testimonials__header h2 {
  color: var(--color-bg-white);
}

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

.carousel {
  position: relative;
}

.carousel__track-wrapper {
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  flex: 0 0 calc(100% / 3);
  padding: 0 var(--spacing-sm);
  box-sizing: border-box;
}

.testimonial-card__inner {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.testimonial-card__quote {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-on-dark);
  flex: 1;
  position: relative;
  padding-top: 1.5rem;
}

.testimonial-card__quote::before {
  content: '"';
  position: absolute;
  top: -0.25rem;
  left: 0;
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: var(--color-secondary);
  opacity: 0.6;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-sm);
}

.testimonial-card__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-bg-white);
  border: 2px solid rgba(255,255,255,0.2);
}

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

.testimonial-card__meta {
  flex: 1;
  min-width: 0;
}

.testimonial-card__name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-bg-white);
  font-size: 0.95rem;
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--color-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.testimonial-card__company {
  font-size: 0.8rem;
  color: var(--color-text-on-dark);
  opacity: 0.7;
}

/* Carousel controls */
.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.carousel__btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-bg-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.carousel__btn:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.carousel__btn svg {
  width: 18px;
  height: 18px;
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.carousel__dot.active {
  background: var(--color-secondary);
  width: 24px;
  border-radius: 4px;
}

@media (max-width: 1024px) {
  .testimonial-card {
    flex: 0 0 50%;
  }
}

@media (max-width: 768px) {
  .testimonial-card {
    flex: 0 0 100%;
  }
}