/* ============================================================
   KLINIX CAPITAL — Design System & Global Styles
   Brand: Deep Navy #0A1A2F | Navy #1A3A5F | Sky Blue #4A90E2
   Font: Inter (sans-serif)
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --kc-primary: #0A1A2F;
  --kc-secondary: #1A3A5F;
  --kc-accent: #0052A3;
  --kc-accent-hover: #003D7A;
  --kc-neutral: #F5F7FA;
  --kc-text: #333333;
  --kc-text-light: #666666;
  --kc-white: #FFFFFF;
  --kc-border: #E0E0E0;
  --kc-success: #00A86B;
  --kc-bg-light: #F8F9FA;
  /* Spacing (8px base) */
  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px;
  --sp-xl: 32px; --sp-2xl: 48px; --sp-3xl: 64px;
  /* Radius */
  --radius: 8px; --radius-lg: 12px;
  /* Transitions */
  --transition: 300ms ease;
}

/* --- Base Reset & Typography --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px; line-height: 1.7;
  color: var(--kc-text);
  background: var(--kc-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--kc-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--kc-accent-hover); }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  color: var(--kc-primary);
  line-height: 1.25;
  margin-top: 0;
}
h1 { font-size: 48px; font-weight: 700; }
h2 { font-size: 36px; font-weight: 700; }
h3 { font-size: 24px; font-weight: 600; }
h4 { font-size: 20px; font-weight: 600; }
p { margin-top: 0; }
.lead { font-size: 18px; color: var(--kc-text-light); line-height: 1.8; }

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
  .lead { font-size: 16px; }
}

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-lg); }
.section { padding: var(--sp-3xl) 0; }
.section--gray { background: var(--kc-bg-light); }
.section--dark { background: var(--kc-primary); color: var(--kc-white); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--kc-white); }
.section--dark p, .section--dark li { color: rgba(255,255,255,0.85); }
.section--navy { background: var(--kc-secondary); color: var(--kc-white); }
.section--navy h2, .section--navy h3 { color: var(--kc-white); }
.section--navy p { color: rgba(255,255,255,0.85); }

.section__label {
  display: inline-block;
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--kc-accent);
  margin-bottom: var(--sp-sm);
}
.section__title { margin-bottom: var(--sp-lg); }
.section__subtitle { color: var(--kc-text-light); max-width: 600px; }

/* --- Grid helpers --- */
.grid { display: grid; gap: var(--sp-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1023px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3xl); align-items: center; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; gap: var(--sp-xl); } }

/* --- Buttons --- */
.btn {
  display: inline-block; cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 600;
  padding: 16px 24px; border-radius: var(--radius);
  text-decoration: none; transition: all var(--transition);
  border: 2px solid transparent; text-align: center;
}
.btn--primary { background: var(--kc-accent); color: var(--kc-white); border-color: var(--kc-accent); }
.btn--primary:hover { background: var(--kc-accent-hover); border-color: var(--kc-accent-hover); color: var(--kc-white); }
.btn--secondary { background: var(--kc-white); color: var(--kc-accent); border-color: var(--kc-accent); }
.btn--secondary:hover { background: #E6F0FF; color: var(--kc-accent); }
.btn--white { background: var(--kc-white); color: var(--kc-primary); border-color: var(--kc-white); }
.btn--white:hover { background: #E6F0FF; border-color: #E6F0FF; }
.btn--lg { padding: 20px 32px; font-size: 16px; }
.btn--dark { background: var(--kc-primary); color: var(--kc-white); border-color: var(--kc-primary); }
.btn--dark:hover { background: var(--kc-secondary); border-color: var(--kc-secondary); color: var(--kc-white); }

/* --- Navigation --- */
.top-bar {
  background: var(--kc-primary); color: rgba(255,255,255,0.7);
  padding: var(--sp-sm) 0; font-size: 13px;
}
.top-bar a { color: rgba(255,255,255,0.85); }
.top-bar a:hover { color: var(--kc-white); }

.navbar {
  background: var(--kc-white);
  padding: var(--sp-md) 0;
  border-bottom: 1px solid var(--kc-border);
  position: sticky; top: 0; z-index: 1000;
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
}
.navbar__brand { display: flex; align-items: center; gap: var(--sp-sm); text-decoration: none; }
.navbar__brand-name {
  font-size: 18px; font-weight: 700; color: var(--kc-primary);
  letter-spacing: -0.5px;
}
.navbar__brand-sub { font-size: 10px; text-transform: uppercase; letter-spacing: 2px; color: var(--kc-text-light); display: block; }

.navbar__links { display: flex; align-items: center; gap: var(--sp-xl); list-style: none; margin: 0; padding: 0; }
.navbar__links a {
  font-size: 14px; font-weight: 500; color: var(--kc-text);
  text-decoration: none; transition: color var(--transition);
  position: relative;
}
.navbar__links a:hover, .navbar__links a.active { color: var(--kc-accent); }
.navbar__links .btn { color: var(--kc-white); }
.navbar__links .btn:hover { color: var(--kc-white); }
.navbar__links a.active::after {
  content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
  height: 2px; background: var(--kc-accent);
}
.navbar__cta { margin-left: var(--sp-md); }

.navbar__toggle {
  display: none; cursor: pointer; background: none; border: none;
  width: 28px; height: 20px; position: relative;
}
.navbar__toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--kc-primary); position: absolute;
  transition: all var(--transition);
}
.navbar__toggle span:nth-child(1) { top: 0; }
.navbar__toggle span:nth-child(2) { top: 9px; }
.navbar__toggle span:nth-child(3) { bottom: 0; }
.navbar__toggle.open span:nth-child(1) { transform: rotate(45deg); top: 9px; }
.navbar__toggle.open span:nth-child(2) { opacity: 0; }
.navbar__toggle.open span:nth-child(3) { transform: rotate(-45deg); bottom: 9px; }

@media (max-width: 1023px) {
  .navbar__toggle { display: block; }
  .navbar__links {
    display: none; flex-direction: column; align-items: flex-start;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--kc-white); border-top: 1px solid var(--kc-border);
    padding: var(--sp-lg); gap: var(--sp-md);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .navbar__links.open { display: flex; }
  .navbar__cta { margin-left: 0; margin-top: var(--sp-sm); }
}

/* --- Hero --- */
.hero {
  padding: var(--sp-3xl) 0 var(--sp-3xl);
  min-height: 500px; display: flex; align-items: center;
}
.hero .two-col { min-height: 400px; }
.hero__label { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--kc-accent); margin-bottom: var(--sp-md); }
.hero__title { font-size: 48px; font-weight: 700; color: var(--kc-primary); margin-bottom: var(--sp-lg); line-height: 1.15; }
.hero__subtitle { font-size: 20px; color: var(--kc-text-light); line-height: 1.7; margin-bottom: var(--sp-xl); max-width: 540px; }
.hero__buttons { display: flex; gap: var(--sp-md); flex-wrap: wrap; }
.hero__image {
  background: var(--kc-neutral); border-radius: var(--radius-lg);
  min-height: 400px; display: flex; align-items: center; justify-content: center;
}
.hero__image svg { opacity: 0.3; }
@media (max-width: 768px) {
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 17px; }
  .hero { padding: var(--sp-2xl) 0; min-height: auto; }
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  background: var(--kc-primary); color: var(--kc-white);
  padding: var(--sp-3xl) 0 var(--sp-2xl); text-align: center;
}
.page-hero h1 { color: var(--kc-white); margin-bottom: var(--sp-md); }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; }

/* --- Cards --- */
.card {
  background: var(--kc-white); border: 1px solid var(--kc-border);
  border-radius: var(--radius-lg); padding: var(--sp-xl);
  transition: all var(--transition);
}
.card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card__icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: #E6F0FF; display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-lg); color: var(--kc-accent); font-size: 22px;
}
.card__title { font-size: 20px; font-weight: 600; margin-bottom: var(--sp-sm); }
.card__text { color: var(--kc-text-light); font-size: 15px; margin-bottom: 0; }
.card__link { font-size: 14px; font-weight: 600; color: var(--kc-accent); margin-top: var(--sp-md); display: inline-block; }

/* --- Highlight Boxes --- */
.highlight-box {
  background: var(--kc-neutral); border-radius: var(--radius);
  padding: var(--sp-lg); border-left: 4px solid var(--kc-accent);
}
.highlight-box h4 { font-size: 16px; font-weight: 600; margin-bottom: var(--sp-sm); }
.highlight-box p { font-size: 15px; color: var(--kc-text-light); margin-bottom: 0; }

/* --- Numbered Items --- */
.numbered-item { display: flex; gap: var(--sp-lg); margin-bottom: var(--sp-xl); }
.numbered-item__num {
  flex-shrink: 0; width: 48px; height: 48px;
  background: var(--kc-accent); color: var(--kc-white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.numbered-item h4 { margin-bottom: var(--sp-xs); }
.numbered-item p { color: var(--kc-text-light); margin-bottom: 0; }

/* --- Team Cards --- */
.team-card { text-align: center; }
.team-card__photo {
  width: 180px; height: 180px; border-radius: 50%;
  background: var(--kc-neutral); margin: 0 auto var(--sp-lg);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.team-card__photo svg { opacity: 0.2; }
.team-card__name { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.team-card__role { color: var(--kc-accent); font-size: 14px; font-weight: 500; margin-bottom: var(--sp-sm); }
.team-card__authority { font-size: 13px; color: var(--kc-text-light); font-style: italic; margin-bottom: var(--sp-sm); }
.team-card__bio { font-size: 14px; color: var(--kc-text-light); }

/* --- Portfolio Cards --- */
.portfolio-card {
  background: var(--kc-white); border: 1px solid var(--kc-border);
  border-radius: var(--radius-lg); padding: var(--sp-xl);
  transition: all var(--transition);
}
.portfolio-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.portfolio-card__category {
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--kc-accent); margin-bottom: var(--sp-sm);
}
.portfolio-card h3 { margin-bottom: var(--sp-md); }
.portfolio-card__detail { margin-bottom: var(--sp-sm); }
.portfolio-card__detail strong { color: var(--kc-primary); font-size: 14px; }
.portfolio-card__detail p { color: var(--kc-text-light); font-size: 14px; margin: 2px 0 0; }

/* --- Resource Cards --- */
.resource-card {
  background: var(--kc-white); border: 1px solid var(--kc-border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.resource-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.08); transform: translateY(-2px); }
.resource-card__image {
  height: 180px; background: var(--kc-neutral);
  display: flex; align-items: center; justify-content: center;
}
.resource-card__body { padding: var(--sp-lg); }
.resource-card__tag {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--kc-accent); margin-bottom: var(--sp-sm);
}
.resource-card h3 { font-size: 18px; margin-bottom: var(--sp-sm); }
.resource-card p { font-size: 14px; color: var(--kc-text-light); }

/* --- CTA Band --- */
.cta-band {
  background: var(--kc-accent); color: var(--kc-white);
  padding: var(--sp-3xl) 0; text-align: center;
}
.cta-band h2 { color: var(--kc-white); margin-bottom: var(--sp-md); }
.cta-band p { color: rgba(255,255,255,0.9); max-width: 550px; margin: 0 auto var(--sp-xl); }

/* --- Contact Form --- */
.form-group { margin-bottom: var(--sp-lg); }
.form-group label {
  display: block; font-size: 14px; font-weight: 500;
  color: var(--kc-primary); margin-bottom: var(--sp-xs);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--kc-border);
  border-radius: var(--radius); font-family: 'Inter', sans-serif;
  font-size: 15px; color: var(--kc-text);
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--kc-accent);
  box-shadow: 0 0 0 3px rgba(74,144,226,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
@media (max-width: 768px) { .form-row { grid-template-columns: 1fr; } }

/* --- Footer --- */
.footer {
  background: var(--kc-primary); color: rgba(255,255,255,0.7);
  padding: var(--sp-3xl) 0 var(--sp-lg);
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--sp-xl); margin-bottom: var(--sp-2xl);
}
@media (max-width: 768px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand { display: flex; align-items: center; gap: var(--sp-sm); margin-bottom: var(--sp-md); }
.footer__brand-name { font-size: 18px; font-weight: 700; color: var(--kc-white); }
.footer__about { font-size: 14px; line-height: 1.7; }
.footer h4 {
  font-size: 14px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--kc-white); margin-bottom: var(--sp-md);
}
.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links li { margin-bottom: var(--sp-sm); }
.footer__links a { color: rgba(255,255,255,0.7); font-size: 14px; }
.footer__links a:hover { color: var(--kc-white); }
.footer__contact p { font-size: 14px; margin-bottom: var(--sp-sm); }
.footer__contact a { color: var(--kc-accent); }
.footer__contact a:hover { color: var(--kc-white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--sp-lg);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--sp-md);
  font-size: 13px;
}
.footer__legal { display: flex; gap: var(--sp-lg); }
.footer__legal a { color: rgba(255,255,255,0.5); font-size: 13px; }
.footer__legal a:hover { color: var(--kc-white); }

/* --- Utility --- */
.text-center { text-align: center; }
.text-accent { color: var(--kc-accent); }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--sp-lg); }
.mt-xl { margin-top: var(--sp-xl); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* --- 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); }

/* --- Skip Link --- */
.skip-link {
  position: absolute; top: -100px; left: var(--sp-md);
  background: var(--kc-accent); color: var(--kc-white);
  padding: var(--sp-sm) var(--sp-md); border-radius: var(--radius);
  z-index: 9999;
}
.skip-link:focus { top: var(--sp-md); }

/* --- Lists in cards/sections --- */
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  position: relative; padding-left: 28px; margin-bottom: var(--sp-sm);
  font-size: 15px; color: var(--kc-text-light);
}
.check-list li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--kc-success); font-weight: 700;
}