/* ============================================================
   Skolo — editable stylesheet
   To change anything visual on the whole site, edit this file.
   Brand colours live at the top; everything else uses them.
   ============================================================ */

:root{
  /* ===== BRAND PALETTE — edit these to re-skin the whole site ===== */
  --skolo-green: hsl(152 55% 13%);   /* #0E3F2F — primary accent */
  --skolo-green-2: hsl(152 30% 28%);
  --skolo-cream:  hsl(40 30% 96%);   /* #F6F2EA — page background */
  --skolo-paper:  hsl(40 30% 98%);
  --skolo-card:   #ffffff;
  --skolo-ink:    hsl(152 40% 9%);   /* near-black text */
  --skolo-muted:  hsl(152 8% 36%);   /* body copy */
  --skolo-subtle: hsl(152 6% 50%);   /* captions, labels */
  --skolo-border: hsl(40 14% 86%);
  --skolo-rule:   hsl(40 12% 80%);
  --skolo-destructive: hsl(0 60% 38%);
}

/* ---------- Resets ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background: var(--skolo-cream);
  color: var(--skolo-ink);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:transparent}
ul,ol{list-style:none}

/* ---------- Typography ---------- */
.display, h1, h2, h3 {
  font-family: 'General Sans', 'Inter', sans-serif;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--skolo-green);
}
.text-muted{color:var(--skolo-muted)}
.text-subtle{color:var(--skolo-subtle)}

/* ---------- Layout helpers ---------- */
.container{max-width:1180px;margin:0 auto;padding:0 32px}
.section{padding:80px 0;border-top:1px solid var(--skolo-border)}
.section:first-of-type{border-top:0}
.section--paper{background: var(--skolo-paper)}
.section--green{background: var(--skolo-green); color: var(--skolo-cream)}
.section--green h1, .section--green h2, .section--green h3{color: var(--skolo-cream)}

.grid{display:grid;gap:40px}
.grid-12{grid-template-columns:repeat(12,1fr)}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- Eyebrow label ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--skolo-subtle); font-weight: 600;
}
.eyebrow::before{
  content:""; display:inline-block; width:24px; height:1px;
  background: var(--skolo-subtle);
}
.section--green .eyebrow{color: rgba(246,242,234,.7)}
.section--green .eyebrow::before{background: rgba(246,242,234,.5)}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background: var(--skolo-green); color: var(--skolo-cream);
  border-radius: 9999px; padding: .85rem 1.4rem;
  font-weight: 600; font-size: .95rem;
  transition: background .2s ease, transform .15s ease;
}
.btn-primary:hover{background: hsl(152 60% 10%)}
.btn-primary:active{transform: translateY(1px)}
.btn-primary[disabled]{opacity:.6;cursor:not-allowed}

.btn-ghost{
  color: var(--skolo-ink); font-weight: 500; font-size: .9rem;
  padding: .5rem .75rem; border-radius: 8px;
  transition: color .2s ease;
}
.btn-ghost:hover{color: var(--skolo-green)}

/* ---------- Forms ---------- */
.input-line{
  width: 100%;
  background: transparent; border: 0;
  border-bottom: 1px solid rgba(14,30,24,.25);
  padding: .75rem 0; font-size: 1rem;
  color: var(--skolo-ink);
  transition: border-color .2s ease;
}
.input-line::placeholder{color: var(--skolo-subtle)}
.input-line:focus{outline:none;border-color: var(--skolo-green)}

.field-label{
  display:block; font-size:.72rem; font-weight:500;
  letter-spacing:.08em; color: var(--skolo-subtle); text-transform: uppercase;
}

/* ---------- Navbar ---------- */
.nav{
  position: sticky; top: 0; z-index: 40;
  background: transparent;
  transition: background .2s ease, border-color .2s ease;
}
.nav.is-scrolled{
  background: hsla(40,30%,96%,.9);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--skolo-border);
}
.nav__inner{
  height: 64px; display:flex; align-items:center; justify-content: space-between;
}
.nav__brand{display:flex;align-items:center;gap:10px}
.nav__brand img{width:32px;height:32px;border-radius:10px}
.nav__brand-name{font-family:'General Sans',sans-serif;font-weight:600;font-size:15px;color: var(--skolo-green);letter-spacing:-0.02em}
.nav__links{display:flex;align-items:center;gap:4px}
.nav__cta-group{display:flex;align-items:center;gap:12px}
.nav__privacy{color: var(--skolo-subtle); font-size: 12px}
.nav__privacy:hover{color: var(--skolo-green)}
.nav__toggle{
  display:none;
  width:40px;height:40px;border-radius:9999px;
  border:1px solid var(--skolo-border);
  background: rgba(255,255,255,.7);
  align-items:center;justify-content:center;
}
.nav__mobile-menu{display:none;border-top:1px solid var(--skolo-border);background: var(--skolo-paper)}
.nav__mobile-menu ul{padding: 12px 32px}
.nav__mobile-menu a{display:block;padding:12px 0;color: var(--skolo-green);font-weight:500}
.nav__mobile-menu .btn-primary{width:100%;justify-content:center;margin-top:8px}

/* ---------- Hero ---------- */
.hero{padding: 80px 0}
.hero__grid{display:grid;grid-template-columns: 7fr 5fr;gap: 64px;align-items:flex-start}
.hero__title{
  margin-top: 24px;
  font-size: clamp(2.6rem, 6vw, 5.1rem);
  line-height: 1.02;
  font-weight: 500;
}
.hero__subtitle{margin-top:28px;color: var(--skolo-muted);font-size:18px;line-height:1.6;max-width: 42ch}
.hero__form{margin-top: 40px;max-width: 480px}
.hero__form-row{display:flex;align-items:flex-end;gap:16px}
.hero__form-row .field{flex:1}
.hero__form-status{margin-top:12px;font-size:14px;min-height: 20px;color: var(--skolo-subtle)}
.hero__form-status--success{color: var(--skolo-green)}
.hero__form-status--error{color: var(--skolo-destructive)}
.hero__phone{display:flex;justify-content:flex-end}
.phone-shell{
  border-radius: 38px; padding: 8px;
  background: var(--skolo-ink);
  box-shadow: 0 30px 80px -30px hsla(152,50%,10%,.28);
  width: 330px; max-width: 100%;
}
.phone-screen{border-radius: 30px; overflow: hidden; background: hsl(40 30% 96%)}
.hero__fig{margin-top: 24px; font-size: 12px; color: var(--skolo-subtle); text-align: center}

/* ---------- Features ---------- */
.features__intro p{margin-top: 20px; color: var(--skolo-muted); max-width: 340px}
.features__list{border-top:1px solid var(--skolo-border); border-bottom:1px solid var(--skolo-border)}
.feature{
  display:grid;grid-template-columns: 64px 1fr;gap:40px;
  padding: 32px 0; border-top: 1px solid var(--skolo-rule);
}
.feature:first-child{border-top:0}
.feature__num{font-family:'General Sans',sans-serif;font-size:24px;color: var(--skolo-subtle);font-variant-numeric: tabular-nums}
.feature__title{font-size:20px; font-weight:600; color: var(--skolo-green); letter-spacing: -0.015em}
.feature__desc{margin-top: 8px; color: var(--skolo-muted); font-size:15px; line-height:1.65; max-width: 58ch}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px}
.step{border-top:1px solid var(--skolo-border);padding-top:24px}
.step__label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color: var(--skolo-subtle);font-weight:500}
.step__title{font-family:'General Sans',sans-serif;font-size:24px;font-weight:600;color: var(--skolo-green);margin-top:12px;line-height:1.25;letter-spacing:-0.02em}
.step__desc{margin-top:12px;color: var(--skolo-muted);font-size:15px;line-height:1.65}

/* ---------- Screens (tabbed gallery) ---------- */
.screens{display:grid;grid-template-columns: 5fr 7fr;gap:64px;align-items:center}
.screens__tabs{display:flex;flex-direction:column;gap:0;margin-top: 32px}
.screens__tab{
  display:grid;grid-template-columns: auto 1fr;gap:16px;align-items:baseline;
  text-align:left; padding: 12px 0;
  border-top: 1px solid var(--skolo-border);
  color: var(--skolo-subtle);
  cursor: pointer;
  transition: color .2s ease;
}
.screens__tab:first-of-type{border-top:1px solid var(--skolo-border)}
.screens__tab:hover{color: var(--skolo-green)}
.screens__tab.is-active{color: var(--skolo-green)}
.screens__tab-num{font-family:'General Sans',sans-serif;font-size:14px;color: var(--skolo-subtle);font-variant-numeric: tabular-nums}
.screens__tab-title{display:block;font-weight:600;letter-spacing:-0.015em}
.screens__tab-caption{display:block;margin-top:2px;font-size:13px;line-height:1.4}
.screens__tab.is-active .screens__tab-caption{color: var(--skolo-muted)}
.screens__phone{display:flex;justify-content:center}
.screens__fig{margin-top: 24px; font-size:12px; color: var(--skolo-subtle); text-align: center}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns: 4fr 8fr; gap: 64px}
.faq__list{border-top:1px solid var(--skolo-border);border-bottom:1px solid var(--skolo-border)}
.faq__item{border-bottom:1px solid var(--skolo-border)}
.faq__item:last-child{border-bottom:0}
.faq__button{
  width:100%; display:flex; align-items:flex-start; justify-content:space-between;
  text-align:left; padding: 20px 0; gap: 24px;
}
.faq__q{font-family:'General Sans',sans-serif;font-size:20px;font-weight:600;color: var(--skolo-green);line-height: 1.3}
.faq__toggle{
  flex-shrink:0;width:28px;height:28px;border-radius:9999px;
  border:1px solid var(--skolo-border);
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:6px; transition: transform .2s ease, background .2s ease, color .2s ease;
  color: var(--skolo-green);
}
.faq__item.is-open .faq__toggle{
  background: var(--skolo-green);color: var(--skolo-cream);
  border-color: var(--skolo-green); transform: rotate(45deg);
}
.faq__answer{display:none;padding: 0 0 20px;color: var(--skolo-muted);font-size:15px;line-height:1.65;max-width:62ch}
.faq__item.is-open .faq__answer{display:block}

/* ---------- Signup section ---------- */
.signup{display:grid;grid-template-columns: 7fr 5fr; gap: 64px; align-items:flex-end}
.signup__title{font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.05; margin-top: 16px}
.signup__sub{margin-top: 20px; color: rgba(246,242,234,.75); font-size: 16px; max-width: 480px; line-height:1.6}
.signup__form-line{
  display:flex;align-items:flex-end;gap:12px;margin-top: 8px;
  border-bottom: 1px solid rgba(246,242,234,.3); transition: border-color .2s ease;
}
.signup__form-line:focus-within{border-color: var(--skolo-cream)}
.signup__form-line input{
  flex:1; background:transparent;border:0;color: var(--skolo-cream);
  padding: 12px 0; font-size: 16px;
}
.signup__form-line input::placeholder{color: rgba(246,242,234,.4)}
.signup__form-line input:focus{outline:none}
.signup__form-line button{color: var(--skolo-cream); font-weight: 600; padding-bottom: 12px}
.signup__form-line button[disabled]{opacity:.6}
.signup__field-label{color: rgba(246,242,234,.6); margin-bottom: 8px}
.signup__status{margin-top:12px;font-size:14px;min-height:20px;color: rgba(246,242,234,.6)}
.signup__status--success{color: var(--skolo-cream)}
.signup__status--error{color: hsl(0 70% 85%)}
.signup__legal a{text-decoration: underline; text-underline-offset: 2px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--skolo-border); background: var(--skolo-cream)}
.footer__grid{display:grid;grid-template-columns: 5fr 3fr 4fr; gap: 40px; padding: 56px 0}
.footer__brand img{width:36px;height:36px;border-radius:10px}
.footer__brand-name{font-family:'General Sans',sans-serif;font-weight:600;font-size:16px;color: var(--skolo-green);margin-left:10px;vertical-align:middle}
.footer__tag{margin-top:16px;color: var(--skolo-muted);font-size:14px;max-width:340px;line-height:1.6}
.footer__legal-line{margin-top:16px;color: var(--skolo-subtle); font-size:12px}
.footer__col-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color: var(--skolo-subtle);font-weight:500}
.footer__col ul{margin-top:16px}
.footer__col li{margin-bottom:8px}
.footer__col a{color: var(--skolo-green);font-size:14px}
.footer__col a:hover{opacity:.7}
.footer__bottom{border-top:1px solid var(--skolo-border)}
.footer__bottom-inner{padding:20px 0;display:flex;justify-content:space-between;font-size:12px;color: var(--skolo-subtle); flex-wrap: wrap; gap: 8px}

/* ---------- Legal pages ---------- */
.legal{padding: 56px 0 80px}
.legal__back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color: var(--skolo-green);font-weight:500}
.legal__back:hover{opacity:.7}
.legal__header{margin-top: 40px;max-width: 720px}
.legal__date{margin-top:12px;font-size:14px;color: var(--skolo-subtle)}
.legal__body{max-width:720px;margin-top:32px}
.legal__body h2{font-family:'General Sans',sans-serif;font-size:24px;font-weight:600;color: var(--skolo-green);margin-top:36px;margin-bottom:8px;letter-spacing:-0.02em}
.legal__body p{color: var(--skolo-muted);line-height:1.7;margin-bottom:12px}
.legal__body ul{list-style:disc;padding-left:20px;color: var(--skolo-muted);margin-bottom:12px}
.legal__body li{margin-bottom:4px}
.legal__body a{color: var(--skolo-green);text-decoration:underline;text-underline-offset:3px}
.legal__body strong{color: var(--skolo-ink); font-weight: 600}

/* ---------- Works-with strip ---------- */
.works-with-section{padding: 32px 0}
.works-with-label{
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color: var(--skolo-subtle);font-weight:600;margin-bottom:16px;
}
.works-with-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 0;
  font-size:14px;color: var(--skolo-muted);font-weight:500;
}
.works-with-strip span{padding:0 10px}
.works-with-strip .sep{color: var(--skolo-border);padding:0;user-select:none}

/* ---------- Utilities ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.is-hidden{display:none !important}

/* ---------- Mobile ---------- */
@media (max-width: 920px){
  .container{padding: 0 20px}
  .section{padding: 64px 0}
  .grid-12{grid-template-columns: 1fr}
  .col-4, .col-5, .col-7, .col-8, .col-12{grid-column: 1 / -1}
  .hero{padding: 40px 0}
  .hero__grid{grid-template-columns: 1fr; gap: 48px}
  .hero__phone{justify-content:center}
  .hero__form-row{flex-direction: column; align-items: stretch; gap: 16px}
  .hero__form-row .btn-primary{width:100%; justify-content:center}
  .steps{grid-template-columns: 1fr; gap: 32px}
  .screens{grid-template-columns: 1fr; gap: 40px}
  .faq{grid-template-columns: 1fr; gap: 32px}
  .signup{grid-template-columns: 1fr; gap: 32px}
  .footer__grid{grid-template-columns: 1fr; gap: 32px}
  .nav__links, .nav__cta-group{display: none}
  .nav__toggle{display: inline-flex}
  .nav.is-mobile-open .nav__mobile-menu{display: block}
  .nav.is-mobile-open{background: var(--skolo-cream); border-bottom: 1px solid var(--skolo-border)}
}

@media (min-width: 921px){
  .nav__mobile-menu{display: none !important}
}