:root {
  --bg: #f4f3ef;
  --bg-soft: #eeebe4;
  --card: #f7f6f2;
  --mint: #dcefdc;
  --green: #225f58;
  --green-2: #3a8c82;
  --text: #6f706d;
  --dark: #193b41;
  --cta: #c98300;
  --cta-hover: #ad7100;
  --shadow: 0 22px 50px rgba(18, 58, 61, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }
.container { width: min(1320px, calc(100% - 48px)); margin: 0 auto; }
.center { text-align: center; }
.narrow { max-width: 1040px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(249, 248, 245, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(34, 95, 88, .08);
}
.header-inner {
  min-height: 124px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { width: 280px; height: auto; }
.logo-dark { filter: brightness(0) saturate(100%) invert(22%) sepia(20%) saturate(879%) hue-rotate(126deg) brightness(88%) contrast(91%); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 14px 30px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: .2s ease;
}
.btn-teal {
  background: var(--green-2);
  color: #fff;
  box-shadow: 0 10px 30px rgba(58, 140, 130, .25);
}
.btn-teal:hover { transform: translateY(-1px); background: #347b72; }
.btn-cta {
  background: var(--cta);
  color: #fff;
  border: 4px solid rgba(255,255,255,.92);
  box-shadow: 0 14px 28px rgba(201, 131, 0, .18);
}
.btn-cta:hover { background: var(--cta-hover); transform: translateY(-1px); }

.hero {
  position: relative;
  min-height: 760px;
  background:
    linear-gradient(90deg, rgba(12, 40, 45, .84) 0%, rgba(18, 63, 70, .72) 38%, rgba(16, 67, 73, .35) 58%, rgba(16, 67, 73, .15) 72%),
    url('assets/hero-bg.png') right center / cover no-repeat;
  overflow: hidden;
}
.hero-grid {
  min-height: 760px;
  display: grid;
  align-items: center;
}
.hero-copy {
  max-width: 860px;
  padding: 90px 0 84px;
  color: #fff;
}
.eyebrow {
  margin: 0 0 18px;
  font-size: 1rem;
  letter-spacing: .02em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 6rem);
  line-height: .98;
  font-weight: 800;
  letter-spacing: -.04em;
}
.hero h1 span {
  color: #bcded5;
}
.hero-text {
  margin: 28px 0 36px;
  font-size: clamp(1.1rem, 1.6vw, 1.7rem);
  line-height: 1.55;
  max-width: 720px;
}

.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head h2 {
  margin: 0;
  color: var(--green);
  font-size: clamp(2.6rem, 5vw, 5.5rem);
  line-height: 1;
  letter-spacing: -.05em;
}
.section-head p {
  margin: 18px auto 0;
  font-size: clamp(1.15rem, 1.7vw, 1.9rem);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 72px;
  align-items: start;
}
.problem-title h2 {
  margin: 0;
  color: var(--green);
  font-size: clamp(3rem, 6vw, 6.5rem);
  line-height: .98;
  letter-spacing: -.06em;
  text-shadow: 0 18px 28px rgba(0,0,0,.08);
}
.problem-list ul {
  margin: 24px 0 0;
  padding-left: 34px;
  font-size: clamp(1.1rem, 1.8vw, 1.65rem);
  line-height: 1.8;
}
.middle-copy {
  margin-top: 72px;
  text-align: center;
  font-weight: 800;
  color: #000;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.7;
}
.middle-copy p { margin: 0; }

.four-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card,
.soft-card {
  background: var(--card);
  border-radius: 40px;
  padding: 48px 34px 40px;
  text-align: center;
  min-height: 560px;
}
.feature-card-highlight { background: #dedfdd; }
.icon,
.soft-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 3rem;
  font-weight: 700;
  color: var(--green-2);
}
.feature-card h3,
.soft-card h3,
.stack-card h3,
.step-item h3 {
  margin: 0 0 18px;
  color: var(--green-2);
  font-size: clamp(2rem, 2.2vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.feature-card p,
.soft-card p,
.stack-card p,
.step-item p,
.support-box p,
.trust-inner p,
.faq-content p {
  margin: 0;
  font-size: clamp(1.1rem, 1.45vw, 1.4rem);
  line-height: 1.6;
}

.steps-list {
  max-width: 1100px;
}
.step-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 26px;
  align-items: center;
  background: rgba(255,255,255,.75);
  border-radius: 20px;
  padding: 26px 28px;
  margin: 0 auto 24px;
}
.step-number {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-2);
  color: #fff;
  font-weight: 800;
  font-size: 3.7rem;
  line-height: 1;
}
.steps-cta,
.solo-cta { margin-top: 38px; }

.trio-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 42px;
}
.soft-card {
  background: #dbefdf;
  min-height: 420px;
}
.stack-cards {
  max-width: 980px;
}
.stack-card {
  background: rgba(255,255,255,.78);
  border-radius: 18px;
  padding: 28px 34px;
  margin-bottom: 28px;
}

.faq-list {
  max-width: 1120px;
}
.faq-list details {
  background: #ece9e2;
  border-bottom: 4px solid var(--bg);
}
.faq-list details:first-child { border-top-left-radius: 0; border-top-right-radius: 0; }
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 28px 32px;
  color: var(--dark);
  font-weight: 800;
  font-size: clamp(1.2rem, 1.7vw, 1.7rem);
  display: flex;
  align-items: center;
  gap: 18px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before {
  content: '⊟';
  color: var(--dark);
  font-size: 1.2rem;
  width: 30px;
  display: inline-block;
}
.faq-list details:not([open]) summary::before { content: '⊞'; }
.faq-content {
  padding: 0 32px 30px 78px;
}
.faq-content p + p { margin-top: 16px; }

.trust-section {
  background: #d9ebd2;
}
.trust-inner {
  max-width: 1320px;
  text-align: center;
}
.trust-icon,
.support-icon {
  margin: 0 auto 22px;
  font-size: 5rem;
}
.trust-inner h2,
.support-box h2,
.bottom-cta h2 {
  margin: 0;
  color: var(--green);
  font-size: clamp(2.8rem, 5.2vw, 5.4rem);
  line-height: 1;
  letter-spacing: -.05em;
}
.trust-inner p {
  max-width: 1180px;
  margin: 28px auto 0;
}

.support-box {
  background: #efede7;
  border-radius: 44px;
  text-align: center;
  padding: 68px 40px;
}
.support-box p { max-width: 1000px; margin: 18px auto 34px; }

.bottom-cta {
  padding: 90px 0 80px;
  background: linear-gradient(180deg, #458d84 0%, #458d84 78%, #243742 78%, #243742 100%);
}
.bottom-cta .center { color: #fff; }
.bottom-logo {
  width: 240px;
  margin: 0 auto 24px;
  opacity: .98;
}
.bottom-cta h2 { color: #fff; }
.bottom-cta p {
  margin: 22px auto 34px;
  max-width: 1080px;
  font-size: clamp(1.15rem, 1.8vw, 1.85rem);
}
.site-footer {
  padding: 28px 0 38px;
  background: #243742;
  color: #fff;
}
.footer-inner { text-align: center; }
.footer-inner p { margin: 0; font-size: 1.05rem; opacity: .95; }

@media (max-width: 1200px) {
  .four-cards { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: auto; }
}

@media (max-width: 920px) {
  .container { width: min(100% - 32px, 1320px); }
  .header-inner { min-height: 96px; }
  .logo { width: 210px; }
  .btn { min-height: 50px; padding: 12px 20px; border-radius: 14px; font-size: .97rem; }
  .hero { min-height: auto; background-position: 72% center; }
  .hero-grid { min-height: auto; }
  .hero-copy { padding: 72px 0; }
  .problem-grid,
  .four-cards,
  .trio-cards { grid-template-columns: 1fr; }
  .problem-grid { gap: 28px; }
  .step-item { grid-template-columns: 80px 1fr; padding: 22px 20px; }
  .step-number { width: 68px; height: 68px; font-size: 2.3rem; }
  .feature-card,
  .soft-card { min-height: auto; }
  .support-box { padding: 46px 22px; border-radius: 28px; }
  .bottom-cta { background: linear-gradient(180deg, #458d84 0%, #458d84 88%, #243742 88%, #243742 100%); }
}

@media (max-width: 640px) {
  .header-inner { flex-direction: column; justify-content: center; padding: 14px 0 20px; }
  .site-header { position: static; }
  .logo { width: 190px; }
  .hero {
    background:
      linear-gradient(180deg, rgba(12, 40, 45, .82) 0%, rgba(18, 63, 70, .72) 34%, rgba(18, 63, 70, .55) 50%, rgba(18, 63, 70, .82) 100%),
      url('assets/hero-bg.png') 68% center / cover no-repeat;
  }
  .hero-copy { padding: 54px 0; }
  .hero h1 { line-height: 1.02; }
  .hero-text { font-size: 1rem; }
  .section { padding: 64px 0; }
  .problem-list ul { padding-left: 22px; line-height: 1.6; }
  .step-item { grid-template-columns: 1fr; text-align: center; }
  .faq-list summary { padding: 22px 18px; font-size: 1.12rem; }
  .faq-content { padding: 0 18px 22px 18px; }
  .bottom-logo { width: 180px; }
}
