/* ============================================
   KI-HELDEN.NET – Design System
   Inspired by geostars.com • May 2026
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --red: #E21F27;
  --red-dark: #b81920;
  --gray-light: #f7f7f7;
  --gray-mid: #ebebeb;
  --gray-text: #666666;
  --gray-border: #e0e0e0;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1200px;
  --radius: 9999px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--black); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---- TOPBAR ---- */
.topbar {
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  padding: 10px 20px;
  letter-spacing: 0.01em;
}
.topbar .sep { margin: 0 12px; opacity: 0.4; }
.topbar a { color: var(--white); opacity: 0.9; }

/* ---- NAVIGATION ---- */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--black);
}
.nav-logo img { height: 36px; width: auto; filter: invert(1); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  opacity: 0.75;
  transition: opacity 0.15s;
}
.nav-links a:hover { opacity: 1; }
.nav-cta {
  display: flex;
  gap: 12px;
  align-items: center;
}
.btn-black {
  background: var(--black);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius);
  transition: opacity 0.15s;
  white-space: nowrap;
}
.btn-black:hover { opacity: 0.85; }
.btn-ghost {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  opacity: 0.7;
  padding: 10px 0;
}
.btn-ghost:hover { opacity: 1; }
.nav-hamburger { display: none; cursor: pointer; padding: 8px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--black); margin: 5px 0; transition: 0.3s; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: var(--black);
  background-size: cover;
  background-position: center 40%;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.55) 55%, rgba(0,0,0,0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 760px;
  margin-bottom: 24px;
}
.hero h1 .typed-wrap {
  display: block;
  color: var(--red);
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn-red {
  background: var(--red);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-red:hover { background: var(--red-dark); }
.btn-outline-white {
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: border-color 0.15s, background 0.15s;
  backdrop-filter: blur(4px);
}
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.hero-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-trust span {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-trust span::before { content: '✦'; color: var(--red); font-size: 10px; }

/* ---- COUNTER BAR ---- */
.counter-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  padding: 32px 24px;
}
.counter-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.counter-item { padding: 12px; }
.counter-num {
  font-size: 42px;
  font-weight: 900;
  color: var(--black);
  letter-spacing: -0.03em;
  line-height: 1;
}
.counter-num sup { font-size: 20px; vertical-align: super; }
.counter-label {
  font-size: 13px;
  color: var(--gray-text);
  margin-top: 6px;
  font-weight: 500;
}

/* ---- LOGO CAROUSEL ---- */
.logo-section {
  padding: 48px 24px;
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-border);
}
.logo-section h3 {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.logo-track {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  max-width: var(--max-w);
  margin: 0 auto;
}
.logo-track img {
  height: 32px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.6;
  transition: opacity 0.2s;
}
.logo-track img:hover { opacity: 1; filter: grayscale(0); }

/* ---- SECTION WRAPPER ---- */
.section {
  padding: 96px 24px;
}
.section-light { background: var(--gray-light); }
.section-white { background: var(--white); }
.section-dark { background: var(--black); color: var(--white); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ---- SECTION HEADERS ---- */
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--red);
  margin-bottom: 16px;
}
.section h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 720px;
}
.section p.lead {
  font-size: 18px;
  color: var(--gray-text);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.section-dark h2 { color: var(--white); }
.section-dark p.lead { color: rgba(255,255,255,0.65); }
.section-dark .section-tag { color: rgba(255,255,255,0.5); }

/* ---- GRID LAYOUTS ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- CARDS ---- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 16px;
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card-light {
  background: var(--gray-light);
  border: 1px solid var(--gray-mid);
  border-radius: 16px;
  padding: 32px;
}
.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.card p { font-size: 15px; color: var(--gray-text); line-height: 1.6; }
.card .icon {
  width: 44px;
  height: 44px;
  background: var(--gray-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 20px;
}
.card-dark {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 32px;
  color: var(--white);
}
.card-dark h3 { color: var(--white); }
.card-dark p { color: rgba(255,255,255,0.6); }

/* ---- STEP CARDS ---- */
.step-card {
  position: relative;
  padding: 32px;
  border-radius: 16px;
  background: var(--white);
  border: 1px solid var(--gray-border);
}
.step-number {
  font-size: 64px;
  font-weight: 900;
  color: var(--gray-mid);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.05em;
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--gray-text); }

/* ---- USP LIST ---- */
.usp-list { display: flex; flex-direction: column; gap: 16px; }
.usp-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--gray-light);
  border-radius: 12px;
}
.usp-check {
  width: 24px;
  height: 24px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.usp-item-text h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.usp-item-text p { font-size: 14px; color: var(--gray-text); }

/* ---- FAQ ---- */
.faq-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--gray-border); border-radius: 16px; overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--gray-border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  background: var(--white);
  border: none;
  transition: background 0.15s;
}
.faq-q:hover { background: var(--gray-light); }
.faq-q span { font-size: 20px; color: var(--gray-text); transition: transform 0.2s; }
.faq-item.open .faq-q span { transform: rotate(45deg); }
.faq-a {
  display: none;
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--gray-text);
  line-height: 1.7;
  background: var(--white);
}
.faq-item.open .faq-a { display: block; }

/* ---- CTA SECTION ---- */
.cta-section {
  background: var(--black);
  padding: 96px 24px;
  text-align: center;
}
.cta-section h2 {
  color: var(--white);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.cta-section p { color: rgba(255,255,255,0.6); font-size: 18px; max-width: 560px; margin: 0 auto 40px; }
.cta-section .btn-red { font-size: 16px; padding: 16px 36px; }

/* ---- TEAM SECTION ---- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.team-card {
  text-align: center;
}
.team-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 12px;
  filter: grayscale(0.2);
  transition: filter 0.2s;
}
.team-card img:hover { filter: grayscale(0); }
.team-card h4 { font-size: 14px; font-weight: 600; }
.team-card p { font-size: 12px; color: var(--gray-text); }

/* ---- TESTIMONIALS ---- */
.testimonial {
  background: var(--gray-light);
  border-radius: 16px;
  padding: 32px;
}
.testimonial blockquote { font-size: 17px; line-height: 1.7; color: var(--black); font-style: italic; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-author-info h5 { font-size: 14px; font-weight: 700; }
.testimonial-author-info span { font-size: 13px; color: var(--gray-text); }

/* ---- DIVIDER ---- */
.divider { border: none; border-top: 1px solid var(--gray-border); margin: 0; }

/* ---- FOOTER ---- */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-text { font-size: 20px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,0.4); transition: color 0.15s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.8); }

/* ---- INTRO SECTION (2-col) ---- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.intro-img img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

/* ---- CITY HIGHLIGHT ---- */
.city-highlight {
  background: var(--black);
  border-radius: 20px;
  padding: 48px;
  color: var(--white);
}
.city-highlight h3 { font-size: 28px; font-weight: 900; margin-bottom: 16px; letter-spacing: -0.02em; }
.city-highlight p { color: rgba(255,255,255,0.65); font-size: 16px; line-height: 1.7; margin-bottom: 28px; }

/* ---- TAGS ---- */
.tag-list { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 48px; }
.tag {
  background: var(--gray-light);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
}

/* ---- SECTION SPLIT ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.split-right { padding-top: 8px; }

/* ---- CITIES GRID ---- */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.city-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 1px solid var(--gray-border);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  background: var(--white);
}
.city-link:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.city-link::before { content: '📍'; font-size: 14px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .hero { min-height: 500px; }
  .hero h1 { font-size: 36px; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .grid-2, .grid-3, .intro-grid, .split { grid-template-columns: 1fr; gap: 24px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .counter-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .section { padding: 64px 16px; }
  .topbar { font-size: 11px; }
}
@media (max-width: 480px) {
  .grid-4, .counter-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* ---- TYPED ANIMATION ---- */
.typed-cursor { display: inline-block; width: 3px; background: var(--red); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---- SCROLL ANIMATIONS ---- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- TOPBAR SCROLL ---- */
.navbar.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }