/* ═══════════════════════════════════════════════
   CIRCLE GROUP OPERATIONS — style.css
   ═══════════════════════════════════════════════ */

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

:root {
  --yellow: #FFF500;
  --black:  #0a0a0a;
  --white:  #ffffff;
  --grey:   #f2f2f2;
  --text:   #111111;
  --muted:  #555555;

  --font: 'Inter', sans-serif;

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --max-w: 1120px;
  --pad-x: clamp(1.5rem, 5vw, 6rem);
  --pad-y: clamp(4rem, 8vw, 7rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem var(--pad-x);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 0px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo { height: 36px; }

.site-header .tagline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  white-space: nowrap;
}

.site-header.header-scrolled .tagline {
  opacity: 1;
  transform: translateX(0);
}
/* ── Container ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ── Scroll Reveal Animations ── */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0 2rem;
  height: 3.25rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color 0.4s ease, transform var(--transition);
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--yellow);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: -1;
}
.btn:hover::after { transform: translateX(0); }
.btn:hover { color: var(--black); transform: scale(1.02); }

.btn-footer {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn-footer::after { background: var(--black); z-index: -1; }
.btn-footer:hover { color: var(--white); transform: scale(1.02); }

/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
.hero {
  padding: clamp(5rem, 9vw, 7rem) 0 clamp(1.5rem, 1.5vw, 2rem);
}

.logo-wrap { margin-bottom: 2.25rem; }

.logo { height: 48px; width: auto; }

.logo-fallback {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.logo-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  line-height: 1.2;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 1.25;
  max-width: none;
  display: flex;
  flex-direction: column; 
  margin-bottom: 1.5rem;
}

.headline-l1 { margin-bottom: 0.2em; }

.hero-sub {
  font-size: clamp(1.8rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0em;
  color: var(--text);
}

/* ══════════════════════════════════
   INTRO
══════════════════════════════════ */
.intro {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem);
  border-top: 0px solid #e8e8e8;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 3rem;
}

.intro-body {
  max-width: 640px;
}
.intro-body p {
  font-size: 0.975rem;
  font-weight: 300;
  color: var(--text);
  line-height: 1.75;
}
.intro-body p + p { margin-top: 1rem; }

/* ══════════════════════════════════
   BANNER (Yellow)
══════════════════════════════════ */
.banner {
  background: var(--yellow);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  overflow: hidden;
  position: relative;
}

.banner-lines { position: relative; }

.banner-line {
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: var(--black);
}

.banner-line + .banner-line { margin-top: 0.05em; }

/* ══════════════════════════════════
   PROBLEM
══════════════════════════════════ */
.problem {
  padding: clamp(3rem, 6vw, 5.5rem) 0;
  border-top: 1px solid #e8e8e8;
}

.problem-inner { max-width: 680px; }

.problem-inner h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.625rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.problem-inner p {
  font-size: 0.975rem;
  font-weight: 300;
  line-height: 1.75;
}
.problem-inner p + p { margin-top: 1rem; }

/* ══════════════════════════════════
   SERVICES
══════════════════════════════════ */
.services {
  padding: var(--pad-y) 0;
  border-top: 1px solid #e8e8e8;
  background: var(--grey);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
}

.services-left h2,
.how-col h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.625rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.services-intro {
  font-size: 0.975rem;
  font-weight: 300;
  line-height: 1.75;
}
.services-intro + .services-intro { margin-top: 0.5rem; }

.services-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.75rem;
}

.icon-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1.5px solid #d0d0d0;
  background: var(--white);
  border-radius: 50%;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: default;
}
.icon-pill svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--black);
}
.icon-pill:hover {
  background: var(--black);
  border-color: var(--black);
  transform: translateY(-2px);
}
.icon-pill:hover svg { color: var(--yellow); }

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.service-list li {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.65;
  padding: 0.7rem 0;
  border-bottom: 1px solid #ddd;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: padding-left var(--transition);
}
.service-list li:first-child { border-top: 1px solid #ddd; }
.service-list li::before {
  content: '';
  display: block;
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #c8c8c8;
  transition: background var(--transition), transform var(--transition);
}
.service-list li:hover {
  padding-left: 0.5rem;
}
.service-list li:hover::before {
  background: var(--black);
  transform: scale(1.5);
}

/* ══════════════════════════════════
   HOW IT WORKS
══════════════════════════════════ */
.how {
  padding: var(--pad-y) 0;
  border-top: 1px solid #e8e8e8;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
}

.how-sub {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  margin-top: -0.75rem;
}

.change-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.change-list li {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.65;
  padding: 0.8rem 0;
  border-bottom: 1px solid #e8e8e8;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.change-list li:first-child { border-top: 1px solid #e8e8e8; }
.change-list li::before {
  content: '';
  display: block;
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #c0c0c0;
  margin-top: 0.55rem;
}

.how-col p {
  font-size: 0.975rem;
  font-weight: 300;
  line-height: 1.75;
}
.how-col p + p { margin-top: 1rem; }

/* ══════════════════════════════════
   FOOTER / CTA
══════════════════════════════════ */
.footer {
  background: var(--black);
  color: var(--white);
  padding: clamp(4rem, 9vw, 7rem) 0 0;
  position: relative;
  overflow: hidden;
}

/* Subtle dot-grid background texture */
.footer-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.footer-inner { position: relative; z-index: 1; }

.footer-top {
  margin-bottom: 3rem;
}

.footer-headline {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 2rem;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.12);
}

.footer-body {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 3rem;
  padding: 2.5rem 0 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-copy p {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(255,255,255,0.8);
}
.footer-copy p + p { margin-top: 0.4rem; }
.footer-copy .footer-cta-line {
  margin-top: 1rem;
  color: var(--white);
}
.footer-copy strong { font-weight: 600; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 0;
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition), transform var(--transition);
}
.social-link svg {
  width: 1.125rem;
  height: 1.125rem;
}
.social-link:hover {
  color: var(--yellow);
  transform: translateY(-2px);
}

.footer-legal {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 768px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-cta { text-align: left; }

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

  .footer-body {
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
  }

  .br-desktop { display: none; }
}


@media (max-width: 480px) {
  .hero-headline { letter-spacing: -0.025em; }
  .banner-line { letter-spacing: -0.02em; }
  .footer-headline { letter-spacing: -0.03em; }

   
  .site-header .tagline {
    font-size: 0.65rem;
    max-width: 140px;
    white-space: normal;
    text-align: right;
    line-height: 1.4;
  }
}