@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Light-theme palette */
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-card: #FFFFFF;
  --surface: #F0F1F5;

  /* Text */
  --text-primary: #1A1A2E;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --text-light: #A0AEC0;

  /* Accent — Arkad Arc Blue */
  --accent: #2962FF;
  --accent-hover: #1E50D9;
  --accent-light: rgba(41, 98, 255, 0.08);
  --accent-text: #2962FF;

  /* Status colors */
  --emerald: #10B981;
  --warm: #E8734A;
  --rose: #F43F5E;
  --amber: #F59E0B;
  --sky: #38BDF8;

  /* Borders & shadows */
  --border: #E8E8ED;
  --border-light: #F0F0F5;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.1);

  /* System */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --max-w: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; background: var(--bg-soft); }
body { font-family: var(--font); background: var(--bg-soft); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; color: var(--text-primary); }
h1 { font-size: clamp(2.6rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }

.section-label {
  font-size: .75rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: 16px; display: inline-flex; align-items: center; gap: 10px;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--text-secondary); max-width: 560px; line-height: 1.8;
}

/* Gradient text for accents */
.gradient-text { color: var(--accent-text); }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm); font-size: .95rem; font-weight: 600;
  background: var(--accent); color: #fff;
  transition: all .3s var(--ease); border: none;
}
.btn-primary:hover {
  background: var(--accent-hover); transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99, 91, 255, 0.3);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm); font-size: .95rem; font-weight: 500;
  color: var(--accent-text); background: transparent;
  border: 1.5px solid var(--border);
  transition: all .3s var(--ease);
}
.btn-secondary:hover {
  border-color: var(--accent); background: var(--accent-light);
  transform: translateY(-1px);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; background: transparent;
  transition: all .4s var(--ease);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo-img {
  height: 72px; width: auto; object-fit: contain;
  transition: height .3s var(--ease);
}
.nav.scrolled .nav-logo-img { height: 52px; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  font-size: .88rem; font-weight: 500; color: var(--text-secondary);
  transition: color .25s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-cta {
  padding: 10px 24px; border-radius: var(--radius-xs); font-size: .88rem; font-weight: 600;
  background: var(--accent); color: #fff; transition: all .3s var(--ease);
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 26px; }
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all .3s; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--bg-soft); position: relative; overflow: hidden;
}
.hero-content-wrapper {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  padding-top: 120px; padding-bottom: 80px;
}
.hero-text { max-width: 560px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px 6px 10px; border-radius: 100px;
  font-size: .78rem; font-weight: 500; color: var(--accent-text);
  background: var(--accent-light); margin-bottom: 28px;
  opacity: 0; animation: fadeUp .7s .15s var(--ease) forwards;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--emerald);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

.hero-title {
  margin-bottom: 24px; opacity: 0;
  animation: fadeUp .7s .25s var(--ease) forwards;
}
.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.12rem); color: var(--text-secondary);
  max-width: 480px; line-height: 1.85; margin-bottom: 36px;
  opacity: 0; animation: fadeUp .7s .4s var(--ease) forwards;
}
.hero-cta-group {
  display: flex; gap: 14px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp .7s .55s var(--ease) forwards;
}
.hero-visual {
  display: flex; align-items: center; justify-content: center;
  opacity: 0; animation: fadeUp .8s .5s var(--ease) forwards;
}
.hero-illustration {
  max-width: 520px; width: 100%; height: auto;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/* ===== MARQUEE ===== */
.marquee-strip {
  padding: 18px 0; background: var(--bg);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.marquee-track {
  display: flex; gap: 0; white-space: nowrap;
  animation: marquee 35s linear infinite; width: max-content;
}
.marquee-track span {
  font-size: .78rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-muted); padding: 0 18px;
}
.marquee-dot { color: var(--accent-text); font-size: .5rem; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== SECTIONS ===== */
.section-light { background: var(--bg); }
.section-soft { background: var(--bg-soft); }
.section-pad { padding: clamp(80px, 12vw, 140px) 0; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-text h2 { margin-bottom: 24px; }
.about-text p { margin-bottom: 18px; line-height: 1.85; color: var(--text-secondary); font-size: 1.02rem; }
.about-text strong { color: var(--accent-text); font-weight: 600; }
.about-values { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.about-value {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 100px;
  background: var(--accent-light); border: 1px solid rgba(99, 91, 255, 0.1);
  font-size: .84rem; font-weight: 500; color: var(--text-primary);
  transition: all .3s var(--ease);
}
.about-value:hover { background: rgba(99, 91, 255, 0.12); transform: translateY(-2px); }
.value-icon { font-size: 1rem; }
.about-img-wrapper { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img { border-radius: var(--radius); }

/* ===== SOLUTIONS ===== */
.solutions-section { background: var(--bg); padding-top: clamp(80px, 12vw, 120px); padding-bottom: clamp(60px, 10vw, 100px); }
.solutions-header { text-align: center; margin-bottom: 72px; }
.solutions-header h2 { margin-bottom: 16px; }
.solutions-header .section-subtitle { margin: 0 auto; }

.solutions-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.sol-card {
  padding: 36px 32px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: all .4s var(--ease); position: relative;
}
.sol-card:hover {
  transform: translateY(-6px); border-color: rgba(99, 91, 255, 0.2);
  box-shadow: var(--shadow-xl);
}
.sol-card-emoji { font-size: 2.4rem; margin-bottom: 20px; display: block; }
.sol-card h3 {
  font-size: 1.2rem; margin-bottom: 12px; color: var(--text-primary);
  letter-spacing: -0.01em; line-height: 1.3;
}
.sol-card p {
  font-size: .92rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 20px;
}
.coming-soon-tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 100px;
  font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  background: var(--accent-light); color: var(--accent-text);
  border: 1px solid rgba(99, 91, 255, 0.1);
}

/* ===== PEOPLE WE BUILD FOR ===== */
.people-section {
  background: #0F0F1A;
  padding: clamp(80px, 12vw, 120px) 0;
  overflow: hidden;
}
.people-content { background: #0F0F1A; }
.people-header { text-align: center; margin-bottom: 56px; }
.people-label { color: rgba(255, 255, 255, 0.5) !important; }
.people-title {
  color: #FFFFFF; font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}
.gradient-text-light {
  background: linear-gradient(135deg, #2962FF, #38BDF8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.people-subtitle {
  font-size: 1.05rem; color: rgba(255, 255, 255, 0.55);
  max-width: 560px; margin: 0 auto; line-height: 1.8;
}
/* Marquee container */
.people-marquee {
  display: flex; flex-direction: column; gap: 8px;
  overflow: hidden; padding-bottom: 40px;
}
.marquee-row {
  overflow: hidden; width: 100%;
}
.people-marquee .marquee-track {
  display: flex; gap: 8px; width: max-content;
}
.marquee-row-left .marquee-track {
  animation: marqueeLeft 35s linear infinite;
}
.marquee-row-right .marquee-track {
  animation: marqueeRight 35s linear infinite;
}
@keyframes marqueeLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marqueeRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}
.people-card {
  position: relative; overflow: hidden;
  min-width: 400px; height: 280px;
  border-radius: 8px;
  cursor: pointer; flex-shrink: 0;
}
.people-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease), filter .6s var(--ease);
}
.people-card:hover img {
  transform: scale(1.06); filter: brightness(0.65);
}
.people-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 24px 28px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  display: flex; align-items: center; gap: 10px;
  opacity: 0; transform: translateY(10px);
  transition: all .4s var(--ease);
}
.people-card:hover .people-overlay {
  opacity: 1; transform: translateY(0);
}
.people-emoji { font-size: 1.4rem; }
.people-category {
  font-size: .92rem; font-weight: 600; color: #FFFFFF;
  letter-spacing: .02em;
}

/* ===== WHY ARKAD ===== */
.why-header { text-align: center; margin-bottom: 64px; }
.why-header .section-subtitle { margin: 0 auto; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-card {
  padding: 32px 28px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: all .4s var(--ease);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(99, 91, 255, 0.15); }
.why-icon {
  font-size: 1.6rem; margin-bottom: 16px;
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  border-radius: 12px; background: var(--accent-light);
}
.why-card h4 { margin-bottom: 8px; font-size: 1.05rem; color: var(--text-primary); }
.why-card p { font-size: .88rem; color: var(--text-secondary); line-height: 1.75; }

/* ===== TECHNOLOGY / BENTO ===== */
.tech-section { position: relative; overflow: hidden; }
.tech-header { text-align: center; margin-bottom: 64px; }
.tech-header .section-subtitle { margin: 0 auto; }
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bento-card {
  padding: 32px 28px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: all .4s var(--ease);
}
.bento-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(99, 91, 255, 0.15); }
.bento-card.bento-large { grid-column: span 2; }
.bento-icon {
  font-size: 1.4rem; margin-bottom: 16px;
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
}
.icon-blue { background: rgba(99, 91, 255, 0.08); }
.icon-green { background: rgba(16, 185, 129, 0.08); }
.icon-purple { background: rgba(139, 92, 246, 0.08); }
.icon-orange { background: rgba(249, 115, 22, 0.08); }
.icon-pink { background: rgba(236, 72, 153, 0.08); }
.bento-card h4 { margin-bottom: 8px; color: var(--text-primary); font-size: 1.05rem; }
.bento-card p { font-size: .88rem; color: var(--text-secondary); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section { background: var(--bg-soft); }
.cta-banner {
  padding: 72px 56px; border-radius: 24px; text-align: center;
  background: var(--bg-card); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); position: relative;
}
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p { color: var(--text-secondary); max-width: 480px; margin: 0 auto 32px; line-height: 1.8; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; width: 100%; }
.cta-input {
  flex: 1; padding: 14px 20px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--bg);
  color: var(--text-primary); font-size: .95rem; font-family: var(--font);
  outline: none; transition: all .3s;
}
.cta-input::placeholder { color: var(--text-light); }
.cta-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.1); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border); padding: 56px 0 36px;
  background: var(--bg-soft);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
.footer-brand p { color: var(--text-secondary); font-size: .86rem; line-height: 1.8; margin-top: 14px; max-width: 300px; }
.footer-logo-img { height: 80px; width: auto; object-fit: contain; }
.footer-col h5 {
  font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-primary); margin-bottom: 18px;
}
.footer-col a { display: block; font-size: .86rem; color: var(--text-secondary); margin-bottom: 12px; transition: color .25s; }
.footer-col a:hover { color: var(--accent-text); }
.footer-bottom { padding-top: 28px; border-top: 1px solid var(--border); }
.footer-bottom p { font-size: .78rem; color: var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: 1; }
  .hero-illustration { max-width: 360px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-card.bento-large { grid-column: span 2; }
  .people-card { min-width: 320px; height: 220px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav.scrolled { background: rgba(255, 255, 255, 0.95); }
  .nav-links {
    display: none; position: fixed; inset: 0;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(16px);
    flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  }
  .nav-links.active { display: flex; }
  .nav-links .nav-link { font-size: 1.1rem; color: var(--text-primary); }
  .nav-toggle { display: flex; z-index: 1001; }
  .nav-logo-img { height: 44px; }
  .nav.scrolled .nav-logo-img { height: 36px; }

  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-content-wrapper { padding-top: 40px; padding-bottom: 40px; }

  .solutions-grid, .bento-grid, .why-grid { grid-template-columns: 1fr; }
  .people-card { min-width: 260px; height: 180px; }
  .bento-card.bento-large { grid-column: span 1; }

  .cta-form { flex-direction: column; }
  .cta-banner { padding: 48px 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-values { gap: 8px; }

  .marquee-strip { display: none; }
}