/* ========================================
   Kenekt — Global Styles
   Modern & Minimal Management Consulting
   ======================================== */

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

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1200px;
  --section-padding: 120px 0;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: 4rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p {
  font-size: 1.125rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.lead {
  font-size: 1.375rem;
  color: var(--gray-500);
  line-height: 1.6;
  max-width: 640px;
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo svg {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-500);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
}

.nav-cta {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white) !important;
  background: var(--black);
  padding: 10px 24px;
  border-radius: 6px;
  transition: opacity var(--transition);
}

.nav-cta:hover {
  opacity: 0.85;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  margin: 6px 0;
  transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  padding: 180px 0 120px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 800px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero .lead {
  margin-bottom: 48px;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}

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

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--black);
}

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

/* ========================================
   Sections
   ======================================== */

section {
  padding: var(--section-padding);
}

.section-gray {
  background: var(--gray-50);
}

.section-dark {
  background: var(--gray-900);
  color: var(--white);
}

.section-dark p {
  color: var(--gray-400);
}

.section-dark h2 {
  color: var(--white);
}

.section-header {
  margin-bottom: 64px;
}

.section-header .lead {
  margin-top: 16px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 16px;
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

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

/* ========================================
   Cards
   ======================================== */

.card {
  padding: 40px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--gray-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.25rem;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  font-size: 1rem;
  color: var(--gray-500);
}

/* Number card variant */
.card-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.card-label {
  font-size: 0.9375rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ========================================
   Values / Features Section
   ======================================== */

.value-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-200);
}

.value-item:last-child {
  border-bottom: none;
}

.value-number {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-400);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.value-item h3 {
  margin-bottom: 12px;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section .lead {
  margin: 0 auto 40px;
  text-align: center;
}

/* ========================================
   Contact Form
   ======================================== */

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  color: var(--gray-900);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--black);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ========================================
   Contact Info
   ======================================== */

.contact-info-item {
  margin-bottom: 32px;
}

.contact-info-item h4 {
  margin-bottom: 6px;
  font-weight: 600;
}

.contact-info-item p {
  font-size: 1rem;
  color: var(--gray-500);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  border-top: 1px solid var(--gray-200);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo svg {
  height: 24px;
  width: auto;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--black);
}

/* ========================================
   Page Headers (inner pages)
   ======================================== */

.page-header {
  padding: 160px 0 80px;
  border-bottom: 1px solid var(--gray-200);
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* ========================================
   About page specifics
   ======================================== */

.about-intro {
  padding: 80px 0;
}

.about-text {
  max-width: 680px;
}

.about-text p {
  margin-bottom: 24px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
}

.approach-item {
  background: var(--white);
  padding: 48px 40px;
}

.approach-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.approach-item h3 {
  margin-bottom: 12px;
}

.approach-item p {
  font-size: 1rem;
  color: var(--gray-500);
}

/* ========================================
   Services page specifics
   ======================================== */

.service-detail {
  padding: 80px 0;
  border-bottom: 1px solid var(--gray-100);
}

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

.service-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.service-detail-number {
  font-size: 5rem;
  font-weight: 800;
  color: var(--gray-200);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.service-detail h3 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.service-detail-tag {
  font-size: 0.8125rem;
  color: var(--gray-400);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-detail p {
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.service-features li {
  font-size: 0.9375rem;
  color: var(--gray-600);
  padding-left: 20px;
  position: relative;
}

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

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 80px 0; }

  .container { padding: 0 24px; }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px 40px;
    border-bottom: 1px solid var(--gray-200);
    gap: 20px;
  }
  .nav-toggle { display: block; }

  .hero { padding: 140px 0 80px; min-height: auto; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .service-features { grid-template-columns: 1fr; }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .btn-group { flex-direction: column; }
  .btn-group .btn { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.875rem; }
  .grid-4 { grid-template-columns: 1fr; }
  .card { padding: 28px; }
}