/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #FAF8F5;
  --fg: #1A1A1A;
  --fg-muted: #6B6B6B;
  --accent: #1A7A6E;
  --accent-light: #E8F4F3;
  --border: #E5E2DD;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
  --max-w: 1100px;
  --section-pad: 96px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ===== NAV ===== */
.nav { padding: 20px 0; }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.nav-logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--fg); font-weight: 600; font-size: 1rem; letter-spacing: -0.01em; }

/* ===== HERO ===== */
.hero { padding: 80px 0 72px; }
.hero-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; }
.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.hero-headline em { font-style: italic; color: var(--accent); }
.hero-sub {
  margin-top: 28px;
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.65;
}

/* Hero Visual — animated orb */
.hero-visual { flex-shrink: 0; width: 200px; height: 200px; position: relative; display: flex; align-items: center; justify-content: center; }
.orb { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0.25;
  animation: pulse 4s ease-in-out infinite;
}
.orb-ring-1 { width: 80px; height: 80px; animation-delay: 0s; }
.orb-ring-2 { width: 130px; height: 130px; animation-delay: 0.6s; }
.orb-ring-3 { width: 180px; height: 180px; animation-delay: 1.2s; }
.orb-core {
  width: 40px; height: 40px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}
.orb-label {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-family: var(--font-sans);
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.orb-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: blink 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.25; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.04); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ===== SECTION SHARED ===== */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

/* ===== HOW IT WORKS ===== */
.how-it-works { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.how-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 36px 0; border-bottom: 1px solid var(--border); align-items: start; }
.step:last-child { border-bottom: none; }
.step-num { font-family: var(--font-serif); font-size: 2.5rem; color: var(--border); line-height: 1; padding-top: 4px; }
.step h3 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: normal; margin-bottom: 10px; letter-spacing: -0.01em; }
.step p { color: var(--fg-muted); font-size: 0.95rem; line-height: 1.65; max-width: 480px; }

/* ===== WHAT IT HANDLES ===== */
.what-it-handles { padding: var(--section-pad) 0; background: #F4F1EC; }
.wih-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.feature { padding: 32px; background: var(--bg); border: 1px solid var(--border); }
.feature-icon { color: var(--accent); margin-bottom: 20px; }
.feature h3 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: normal; margin-bottom: 10px; letter-spacing: -0.01em; }
.feature p { color: var(--fg-muted); font-size: 0.9rem; line-height: 1.65; }

/* ===== CLOSING ===== */
.closing { padding: var(--section-pad) 0; }
.closing-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--fg);
}
.closing-sub { margin-top: 28px; font-size: 1.05rem; color: var(--fg-muted); max-width: 420px; line-height: 1.65; }

/* ===== FOOTER ===== */
.footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.9rem; }
.footer-tagline { font-size: 0.85rem; color: var(--fg-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --section-pad: 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { width: 140px; height: 140px; margin: 0 auto; }
  .step { grid-template-columns: 56px 1fr; gap: 16px; }
  .step-num { font-size: 1.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .nav-inner, .how-inner, .wih-inner, .closing-inner, .footer-inner { padding: 0 24px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 48px; }
  .features-grid { gap: 16px; }
  .feature { padding: 24px; }
}