/* ============================================
   SHEILKEN INVESTMENTS LTD — Global Stylesheet
   Aesthetic: Architectural Brutalism × African Ambition
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-alt: #1a1a1a;
  --dark-card: #151515;
  --blue: #3498db;
  --blue-dark: #2980b9;
  --blue-light: #5dade2;
  --blue-glow: rgba(52, 152, 219, 0.15);
  --white: #ffffff;
  --gray-100: #f0f0f0;
  --gray-200: #d0d0d0;
  --gray-300: #a0a0a0;
  --gray-400: #707070;
  --gray-500: #505050;
  --font-display: 'Google Sans', 'DM Sans', -apple-system, sans-serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --nav-height: 80px;
  --max-width: 1280px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--gray-200);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

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

a:hover {
  color: var(--blue-light);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  border-bottom: 1px solid rgba(52, 152, 219, 0.15);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--white);
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

.nav__logo-icon {
  width: 42px;
  height: 42px;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  line-height: 1.15;
  color: var(--white);
}

.nav__logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  font-weight: 500;
}

.footer__brand .nav__logo-img {
  height: 36px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-300);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}

.nav__link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.nav__link.active {
  color: var(--blue);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--blue);
  border-radius: 1px;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  background: var(--blue);
  padding: 10px 24px;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
  margin-left: 8px;
}

.nav__cta:hover {
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3);
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

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

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* --- Page Hero Banners --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero--short {
  min-height: 50vh;
}

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

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.7) 50%, rgba(52, 152, 219, 0.1) 100%);
  z-index: 1;
}

/* Diagonal accent */
.hero__bg::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(52, 152, 219, 0.06) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-glow);
  padding: 8px 20px;
  border-radius: 4px;
  border-left: 3px solid var(--blue);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--white);
}

.hero__title span {
  color: var(--blue);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-300);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.8;
  font-weight: 300;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Geometric decorative line */
.hero__decor {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.08;
}

.hero__decor svg {
  width: 400px;
  height: 400px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  letter-spacing: 0.02em;
}

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

.btn--primary:hover {
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(52, 152, 219, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--outline:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-glow);
}

.btn--sm {
  font-size: 0.8rem;
  padding: 10px 22px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* --- Section Styles --- */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section--darker {
  background: var(--dark-alt);
}

/* Diagonal section divider */
.section--angled {
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
  padding: 140px 0;
}

.section__header {
  margin-bottom: 64px;
}

.section__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin-bottom: 16px;
}

.section__title span {
  color: var(--blue);
}

.section__desc {
  font-size: 1.05rem;
  color: var(--gray-300);
  max-width: 600px;
  line-height: 1.8;
}

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

.section__header--center .section__desc {
  margin: 0 auto;
}

/* --- Stats Bar --- */
.stats {
  background: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 48px 0;
  position: relative;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats__item {
  position: relative;
}

.stats__item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  height: 80%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stats__number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}

.stats__label {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 40px 32px;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(52, 152, 219, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: var(--blue-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--blue);
}

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

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  color: var(--white);
}

.service-card__text {
  font-size: 0.9rem;
  color: var(--gray-300);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card__list li {
  font-size: 0.85rem;
  color: var(--gray-300);
  padding-left: 20px;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
}

/* --- Project Cards --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-slow);
}

.project-card:hover {
  border-color: rgba(52, 152, 219, 0.12);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.project-card__image {
  width: 100%;
  height: 240px;
  background: var(--dark-alt);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--gray-500);
}

.project-card__image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.project-card__image-placeholder span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border-radius: 4px;
  z-index: 2;
}

.project-card__badge--completed {
  background: rgba(39, 174, 96, 0.9);
  color: var(--white);
}

.project-card__badge--ongoing {
  background: rgba(52, 152, 219, 0.9);
  color: var(--white);
}

.project-card__badge--upcoming {
  background: rgba(243, 156, 18, 0.9);
  color: var(--white);
}

.project-card__body {
  padding: 28px;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--white);
}

.project-card__desc {
  font-size: 0.88rem;
  color: var(--gray-300);
  line-height: 1.7;
}

.project-card__meta {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-card__meta svg {
  width: 14px;
  height: 14px;
  color: var(--blue);
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-tab {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: var(--gray-300);
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.filter-tab.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* --- Team Cards --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.team-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 40px 28px 36px;
  text-align: center;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.team-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: var(--transition);
}

.team-card:hover {
  border-color: rgba(52, 152, 219, 0.12);
  transform: translateY(-4px);
}

.team-card:hover::after {
  opacity: 1;
}

.team-card__avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  position: relative;
}

.team-card__avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid rgba(52, 152, 219, 0.3);
}

.team-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.team-card__bio {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.7;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--blue-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info__value {
  font-size: 0.95rem;
  color: var(--white);
  line-height: 1.5;
}

.contact-info__value a {
  color: var(--white);
}

.contact-info__value a:hover {
  color: var(--blue);
}

.contact-form {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 40px;
}

.contact-form__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--white);
}

.contact-form__subtitle {
  font-size: 0.88rem;
  color: var(--gray-400);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--dark-alt);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

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

/* --- Vision/Mission Cards --- */
.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.vm-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.vm-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--blue);
}

.vm-card__icon {
  width: 48px;
  height: 48px;
  background: var(--blue-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 20px;
}

.vm-card__icon svg {
  width: 24px;
  height: 24px;
}

.vm-card__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  color: var(--white);
}

.vm-card__text {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 1.8;
}

/* --- Certifications --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: rgba(52, 152, 219, 0.15);
}

.cert-card__icon {
  width: 44px;
  height: 44px;
  background: var(--blue-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--blue);
}

.cert-card__icon svg {
  width: 20px;
  height: 20px;
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 6px;
}

.cert-card__text {
  font-size: 0.78rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, #1a6fa8 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin-bottom: 16px;
  color: var(--white);
}

.cta-section__text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn--outline {
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-section .btn--outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

/* --- Content blocks --- */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.content-block__tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.content-block__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.content-block__text {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-block__image {
  width: 100%;
  height: 400px;
  background: var(--dark-alt);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

/* --- Why Choose Us --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.why-card {
  padding: 32px 24px;
  border-radius: 10px;
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: var(--transition);
}

.why-card:hover {
  border-color: rgba(52, 152, 219, 0.12);
}

.why-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: rgba(52, 152, 219, 0.2);
  margin-bottom: 12px;
  line-height: 1;
}

.why-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 10px;
}

.why-card__text {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__brand p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0;
  color: var(--white);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--blue);
  padding-left: 4px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--gray-400);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--gray-500);
}

.footer__copy a {
  color: var(--blue);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.6s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.7s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.8s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Map placeholder --- */
.map-placeholder {
  width: 100%;
  height: 300px;
  background: var(--dark-alt);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--gray-500);
  margin-top: 48px;
}

.map-placeholder svg {
  width: 40px;
  height: 40px;
  opacity: 0.4;
}

.map-placeholder span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .content-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 4px;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 999;
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: 12px;
    text-align: center;
    width: 100%;
    display: block;
  }

  .nav__hamburger {
    display: flex;
  }

  /* Mobile overlay */
  .nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
  }

  .nav__overlay.active {
    display: block;
  }

  .hero__title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .hero__content {
    padding: 0 8px;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .stats__item:not(:last-child)::after {
    display: none;
  }

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

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

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

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

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

  .section {
    padding: 72px 0;
  }

  .section--angled {
    clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
    padding: 100px 0;
  }

  .hero--short {
    min-height: 40vh;
  }
}

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

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

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .contact-form {
    padding: 28px 20px;
  }
}