:root {
  --green: #1f5240;
  --green-dark: #184232;
  --beige: #e8e3de;
  --navy: #14143a;
  --ink: #111;
  --muted: #4a4a5a;
  --radius: 12px;
  --sans: "Satoshi", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }

.container { width: min(1180px, 100% - 48px); margin-inline: auto; }
.narrow { width: min(730px, 100% - 48px); }
.center { text-align: center; }
.text-green { color: var(--green); }
.section { padding: 110px 0; }
.section-beige { background: var(--beige); }

.eyebrow { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: #6b6b6b; margin: 0 0 14px; }
.section-title { font-size: clamp(32px, 4.5vw, 52px); font-weight: 700; line-height: 1.1; margin: 0 0 22px; letter-spacing: -.01em; }
.lead { font-size: 17px; color: #333; margin: 0 auto 60px; max-width: 820px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0; padding: 14px 28px; border-radius: 8px; font-weight: 700; font-size: 16px; text-decoration: none; border: 1.5px solid transparent; transition: transform .15s, background .15s, opacity .15s; cursor: pointer; font-family: inherit; }
.btn:hover { transform: translateY(-1px); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-dark); }
.btn-white { background: #fff; color: #111; }
.btn-white:hover { opacity: .9; }
.btn-outline { border-color: rgba(255,255,255,.75); color: #fff; background: transparent; }
.btn-lg { display: inline-block; text-align: center; padding: 16px 30px; font-size: 17px; }

/* Hero */
.hero { position: relative; min-height: 100vh; color: #fff; background: linear-gradient(rgba(0,0,0,.42), rgba(0,0,0,.5)), url('images/hero.jpg') center/cover no-repeat; display: flex; flex-direction: column; }
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; position: relative; z-index: 2; }
.nav-logo img { width: 120px; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a:not(.btn) { text-decoration: none; font-size: 17px; font-weight: 500; }
.nav-links a:not(.btn):hover { opacity: .75; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 28px; cursor: pointer; }

.hero-inner { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 0 90px; }
.hero-stat { display: flex; align-items: center; gap: 22px; text-align: left; font-size: 18px; margin-bottom: 30px; }
.hero-stat-badge { width: 92px; height: 92px; border-radius: 50%; background: var(--green); display: grid; place-items: center; font-weight: 700; font-size: 19px; flex: none; }
.hero-title { font-family: var(--mono); font-weight: 700; font-size: clamp(34px, 6vw, 72px); line-height: 1.15; margin: 0 0 70px; letter-spacing: -.01em; }
.hero-sub { font-family: var(--mono); font-size: clamp(15px, 1.6vw, 19px); margin: 0 0 34px; }

/* Case studies */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.case { position: relative; aspect-ratio: 334 / 364; border-radius: var(--radius); overflow: hidden; background: var(--img) center/cover; display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding: 30px 28px 46px; color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.08); }
.case::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(0,0,0,.35), rgba(0,0,0,.1) 55%, rgba(0,0,0,.15)); }
.case > * { position: relative; }
.case-title { margin: 0; font-size: 27px; line-height: 1.12; font-weight: 700; text-align: center; width: 100%; }
.case-title.left { text-align: left; }
.case-title.right { text-align: right; }

/* Testimonials */
.slider { position: relative; padding: 0 80px; }
.slide { display: none; margin: 0; }
.slide.is-active { display: block; animation: fade .4s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.avatar { width: 130px; height: 175px; object-fit: cover; border-radius: 65px 65px 0 0; margin: 0 auto 60px; }
blockquote { margin: 0 auto 44px; max-width: 840px; font-size: clamp(26px, 3.4vw, 42px); font-weight: 700; line-height: 1.5; }
figcaption strong { display: block; font-size: 17px; }
figcaption span { color: var(--green); font-size: 16px; }
.slider-arrow { position: absolute; top: 58%; width: 56px; height: 56px; border-radius: 50%; border: 1px solid #111; background: transparent; font-size: 22px; cursor: pointer; }
.slider-arrow:hover { background: rgba(0,0,0,.05); }
.prev { left: 0; } .next { right: 0; }
.dots { display: flex; justify-content: center; gap: 40px; margin-top: 110px; }
.dots button { width: 11px; height: 11px; border-radius: 50%; border: 0; background: #999; cursor: pointer; padding: 0; }
.dots button.is-active { background: #111; }

/* Benefits */
.benefits { display: grid; grid-template-columns: 320px 1fr 1fr; grid-template-rows: auto auto; gap: 60px 60px; align-items: start; }
.benefit-lead { grid-row: span 2; background: var(--green); color: #fff; border-radius: var(--radius); padding: 40px 30px 0; overflow: hidden; position: relative; min-height: 100%; }
.benefit-lead h2 { font-size: 33px; line-height: 1.22; text-align: center; margin: 0 0 30px; }
.benefit-lead p { color: rgba(255,255,255,.82); font-size: 16px; line-height: 1.6; margin: 0 0 30px; }
.benefit-lead p strong { color: #fff; }
.benefit-lead-mark { width: 300px; margin: 50px auto -40px; opacity: .25; }
.benefit-card { background: #fff; border-radius: var(--radius); padding: 30px 28px 40px; box-shadow: 0 6px 30px rgba(0,0,0,.07); text-align: right; }
.benefit-card .eyebrow { font-size: 12px; margin-bottom: 18px; }
.benefit-card h3 { color: var(--navy); font-size: 38px; line-height: 1.15; text-align: center; margin: 0 0 24px; letter-spacing: -.01em; }
.benefit-card p:last-child { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 0; }

/* FAQs */
.faq-list { margin-top: 60px; }
details { border-bottom: 0; margin-bottom: 30px; }
summary { list-style: none; cursor: pointer; font-size: 26px; font-weight: 700; padding: 10px 40px 22px 0; border-bottom: 1px solid #cfc9c3; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: 6px; top: 20px; width: 11px; height: 11px; border-right: 1.5px solid #111; border-bottom: 1.5px solid #111; transform: rotate(45deg); transition: transform .2s; }
details:not([open]) summary::after { transform: rotate(-45deg); }
.faq-body { padding-top: 14px; font-size: 17px; }
.faq-body p { margin: 0 0 12px; }
.faq-body ul, .faq-body ol { margin: 0 0 14px; padding-left: 18px; }
.faq-body li { margin-bottom: 6px; }

/* Contact + footer */
.dark-zone { background: radial-gradient(ellipse 60% 50% at 75% 35%, rgba(80,100,130,.45), transparent 70%), var(--green); color: #fff; }
.contact-title { font-size: clamp(36px, 5vw, 56px); margin: 0 0 18px; letter-spacing: -.01em; }
.contact-sub { color: rgba(255,255,255,.65); max-width: 470px; margin: 0 auto 60px; font-size: 17px; }
.contact-sub strong { color: rgba(255,255,255,.85); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 22px; text-align: left; }
.contact-form input, .contact-form textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.35); color: #fff; font: inherit; font-size: 16px; padding: 12px 14px; outline: none; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,.6); }
.contact-form input:focus, .contact-form textarea:focus { border-bottom-color: #fff; }
.contact-form .full { grid-column: 1 / -1; resize: vertical; }
.contact-form button { width: 100%; }

.footer { padding: 10px 0 40px; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 60px 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-logo { width: 165px; }
.footer-top > div:nth-child(2) { border-left: 1px solid rgba(255,255,255,.12); padding-left: 120px; }
.footer h4 { margin: 0 0 14px; font-size: 19px; }
.footer-top a { display: block; color: rgba(255,255,255,.6); text-decoration: none; margin-bottom: 8px; font-size: 16px; }
.footer-top a:hover { color: #fff; }
.footer-cta { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: 60px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-cta h2 { max-width: 480px; text-align: center; font-size: 36px; line-height: 1.22; margin: 0; }
.footer-buttons { display: flex; gap: 18px; }
.disclaimer { font-size: 12px; color: rgba(255,255,255,.55); text-align: center; padding: 26px 0; margin: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 28px; font-size: 12px; color: rgba(255,255,255,.6); text-transform: uppercase; }
.footer-bottom a { text-transform: none; color: rgba(255,255,255,.6); }

/* Responsive */
@media (max-width: 991px) {
  .cases { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .benefit-lead { grid-column: 1 / -1; grid-row: auto; padding-bottom: 40px; }
  .benefit-lead-mark { display: none; }
  .footer-top > div:nth-child(2) { padding-left: 40px; }
  .footer-cta { flex-direction: column; }
}
@media (max-width: 767px) {
  .section { padding: 80px 0; }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 18px; padding: 24px; background: rgba(15,30,25,.96); border-radius: var(--radius); }
  .nav-links.open { display: flex; }
  .hero-title { margin-bottom: 40px; }
  .hero-stat { flex-direction: column; text-align: center; }
  .btn-lg { display: inline-block; text-align: center; }
  .benefits { grid-template-columns: 1fr; gap: 28px; }
  .benefit-card h3 { font-size: 30px; }
  .slider { padding: 0; }
  .slider-arrow { top: auto; bottom: -6px; }
  .dots { margin-top: 60px; }
  summary { font-size: 21px; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form > span { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-top > div:nth-child(2) { border: 0; padding: 0; }
  .footer-cta h2 { font-size: 28px; }
  .footer-bottom { flex-direction: column; gap: 10px; }
}