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

:root{
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7fbff;
  --text: #15212b;
  --muted: #4b5b6a;
  --line: rgba(21, 33, 43, 0.12);

  --brand: #2a6f8f;
  --brand-soft: rgba(42, 111, 143, 0.14);
  --mint: rgba(70, 170, 140, 0.16);
  --sun: rgba(255, 199, 122, 0.22);

  --shadow: 0 18px 45px rgba(21, 33, 43, 0.08);
  --shadow-soft: 0 10px 28px rgba(21, 33, 43, 0.06);

  --radius: 18px;
  --radius-lg: 24px;

  --max: 1120px;
}

*{ box-sizing: border-box; }

html, body{
  height: 100%;
}

body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1100px 520px at 15% 0%, rgba(42,111,143,0.10), transparent 55%),
              radial-gradient(900px 520px at 90% 0%, rgba(70,170,140,0.10), transparent 52%),
              var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img{
  max-width: 100%;
  height: auto;
  display: block;
}

a{
  color: inherit;
  text-decoration: none;
}

.container{
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transform: translateY(-130%);
  transition: transform 180ms ease;
  z-index: 999;
}
.skip-link:focus{
  transform: translateY(0);
  outline: 3px solid rgba(42, 111, 143, 0.35);
  outline-offset: 2px;
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 14rem;
}

.brand-mark{
  width: 42px;
  height: 42px;
  color: var(--brand);
}
.brand-mark svg{
  width: 42px;
  height: 42px;
}

.brand-text{
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}
.brand-title{
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-sub{
  font-size: 0.86rem;
  color: var(--muted);
}

.nav{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-link{
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-link:hover{
  background: rgba(42,111,143,0.08);
  color: var(--text);
}
.nav-link:focus{
  outline: 3px solid rgba(42, 111, 143, 0.35);
  outline-offset: 2px;
  border-color: rgba(42,111,143,0.18);
}

/* Hero */
.hero{
  padding: 2.1rem 0 0;
  position: relative;
  color: var(--text);
}

.hero-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: start;
  padding-bottom: 1.2rem;
}

.kicker{
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 0.65rem 0;
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(42,111,143,0.15);
  background: rgba(42,111,143,0.06);
  border-radius: 999px;
}

h1{
  font-size: clamp(1.65rem, 4.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem 0;
}

.lead{
  font-size: 1.04rem;
  color: var(--muted);
  margin: 0 0 1rem 0;
  max-width: 58ch;
}

.bullets{
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.65rem;
  max-width: 60ch;
}

.bullets li{
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.72);
  box-shadow: 0 10px 24px rgba(21, 33, 43, 0.04);
}

.bullet-icon{
  width: 28px;
  height: 28px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(42,111,143,0.14);
}
.bullet-icon svg{
  width: 18px;
  height: 18px;
}

.hero-visual{
  display: grid;
  gap: 1rem;
}

.visual-card{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
  box-shadow: var(--shadow);
}

.visual-svg{
  width: 100%;
  height: auto;
  display: block;
}

.visual-caption{
  padding: 1rem 1rem 1.1rem;
  border-top: 1px solid rgba(21, 33, 43, 0.08);
  background: rgba(255,255,255,0.75);
}

.caption-title{
  margin: 0 0 0.25rem 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.caption-text{
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.divider{
  color: var(--brand);
  margin-top: 1.2rem;
}
.divider svg{
  width: 100%;
  height: 62px;
  display: block;
}

/* Sections */
.section{
  padding: 2.4rem 0;
}

.section-soft{
  background: linear-gradient(180deg, rgba(42,111,143,0.06), rgba(42,111,143,0.00));
  border-top: 1px solid rgba(21, 33, 43, 0.06);
  border-bottom: 1px solid rgba(21, 33, 43, 0.06);
}

.section-head{
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.3rem;
}

h2{
  font-size: clamp(1.35rem, 3.3vw, 1.85rem);
  margin: 0;
  letter-spacing: -0.02em;
}

.section-intro{
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
}

.cards{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card{
  padding: 1.1rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.85);
  box-shadow: var(--shadow-soft);
}

.card h3{
  margin: 0 0 0.45rem 0;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}

.card p{
  margin: 0;
  color: var(--muted);
}

/* Steps */
.steps{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.step{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1.1rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.82);
  box-shadow: var(--shadow-soft);
}

.step-number{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--brand);
  background: linear-gradient(180deg, var(--brand-soft), rgba(70,170,140,0.10));
  border: 1px solid rgba(42,111,143,0.14);
}

.step-content h3{
  margin: 0 0 0.35rem 0;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}

.step-content p{
  margin: 0;
  color: var(--muted);
}

/* Partner */
.partner-card{
  padding: 1.15rem 1.05rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(21, 33, 43, 0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.70));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.partner-card::before{
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(520px 220px at 15% 10%, rgba(70,170,140,0.16), transparent 58%),
    radial-gradient(520px 220px at 80% 20%, rgba(255,199,122,0.22), transparent 58%);
  pointer-events: none;
}

.partner-card > *{
  position: relative;
}

.partner-hint{
  margin: 0 0 0.85rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.partner-logo{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 0.95rem;
  border-radius: 16px;
  border: 1px solid rgba(21, 33, 43, 0.12);
  background: rgba(255,255,255,0.75);
  box-shadow: 0 12px 26px rgba(21, 33, 43, 0.06);
}

.partner-logo:focus{
  outline: 3px solid rgba(42, 111, 143, 0.35);
  outline-offset: 4px;
}

.partner-logo img{
  max-width: 240px;
  width: 240px;
  height: auto;
  opacity: 0.92;
}

.partner-note{
  margin: 0.85rem 0 0;
  color: var(--muted);
  max-width: 72ch;
}

/* FAQ */
.faq{
  display: grid;
  gap: 0.75rem;
}

.faq-item{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.85);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item summary{
  cursor: pointer;
  padding: 1rem 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  list-style: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker{
  display: none;
}

.faq-item summary:focus{
  outline: 3px solid rgba(42, 111, 143, 0.35);
  outline-offset: 2px;
}

.faq-item summary::after{
  content: "";
  position: absolute;
  right: 1rem;
  top: 1.15rem;
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(21,33,43,0.55);
  border-bottom: 2px solid rgba(21,33,43,0.55);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.faq-item[open] summary::after{
  transform: rotate(225deg);
  top: 1.25rem;
}

.faq-body{
  padding: 0 1.05rem 1rem;
  color: var(--muted);
}

.faq-body p{
  margin: 0.6rem 0 0;
}

/* Footer */
.site-footer{
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,0.86);
}

.footer-inner{
  display: grid;
  gap: 1.2rem;
}

.footer-title{
  margin: 0 0 0.25rem 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-sub{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.disclaimer{
  margin: 0 0 0.6rem 0;
  color: var(--muted);
}

.legal{
  margin: 0;
  color: var(--muted);
}

/* Larger screens */
@media (min-width: 860px){
  .hero{
    padding-top: 2.5rem;
  }

  .hero-grid{
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: center;
    padding-bottom: 1.6rem;
  }

  .cards{
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-inner{
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 1.6rem;
  }

  .partner-logo img{
    max-width: 300px;
    width: 300px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{
    scroll-behavior: auto !important;
    transition: none !important;
  }
}