/* Arvessa — brown soil background, bone cards, deep green accents. Desktop-first with mobile care. */

:root{
  --soil:#4A3628;
  --bone:#F3EFE6;
  --white:#FBF6EA;
  --ink:#2B241D;
  --muted:#6C6255;
  --muted-l:#C9BCA5;
  --green-900:#1C4A32;
  --green-700:#2E6B47;
  --green-600:#35804F;
  --green-tint:#E5EFE3;
  --green-soft:#A6CBA9;
  --sand:#EAE1CE;
  --line:#D9CDB9;
  --line-dark:rgba(243,239,230,.16);
  --water:#2E7D9C;
  --radius-lg:28px;
  --radius-md:18px;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Public Sans","Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",Consolas,monospace;
  --shadow-soft:0 18px 40px -24px rgba(0,0,0,.55);
  --shadow-lift:0 26px 52px -28px rgba(0,0,0,.62);
}

*{margin:0;padding:0;box-sizing:border-box}
html{color-scheme:dark;scroll-behavior:smooth}
body{background:var(--soil);color:var(--bone);font-family:var(--sans);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1200px;margin:0 auto;padding-inline:clamp(1.25rem,4vw,2.75rem)}
a:focus-visible{outline:3px solid var(--green-soft);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(74,54,40,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dark)}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding-block:.9rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.brand .mark{width:34px;height:34px;border-radius:11px;background:var(--green-700);display:grid;place-items:center;color:#fff;font-family:var(--serif);font-weight:700;font-size:1.1rem}
.brand .name{font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--bone)}
.site-nav{display:flex;align-items:center;gap:1.5rem}
.site-nav a.lang{font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-l);text-decoration:none}
.site-nav a.lang:hover{color:var(--green-soft)}
.nav-cta{font-weight:600;font-size:.95rem;color:#fff;background:var(--green-700);text-decoration:none;padding:.6rem 1.3rem;border-radius:999px;transition:background .2s ease,transform .2s ease}
.nav-cta:hover{background:var(--green-600);transform:translateY(-1px)}

/* ---------- hero ---------- */
.hero{padding-block:clamp(3.2rem,8vh,6rem) clamp(2.5rem,6vh,4rem)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:clamp(2.5rem,6vw,4.5rem);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.13em;color:#BCD6C0;background:rgba(46,107,71,.32);padding:.45rem 1rem;border-radius:999px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#BCD6C0}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(2.7rem,5.4vw,4.9rem);line-height:1.04;letter-spacing:-.015em;margin-top:1.4rem;max-width:12ch;color:var(--bone)}
.tag-ar{direction:rtl;font-size:1.2rem;font-weight:600;color:var(--green-soft);margin-top:1rem}
.lede{font-size:clamp(1.12rem,1.9vw,1.3rem);line-height:1.62;color:var(--muted-l);max-width:34rem;margin-top:1.6rem}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:1.4rem;margin-top:2.2rem}
.cta{display:inline-block;padding:1rem 2rem;background:var(--green-700);color:#fff;font-weight:600;font-size:1.05rem;text-decoration:none;border-radius:999px;box-shadow:var(--shadow-soft);transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.cta:hover{background:var(--green-600);transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.science{font-family:var(--mono);font-size:.75rem;letter-spacing:.05em;color:var(--muted-l)}

/* ---------- the weekly card (shown once) ---------- */
.card-col{display:flex;flex-direction:column;gap:.8rem;max-width:440px;width:100%;justify-self:end}
.week-card{background:var(--sand);border:1px solid var(--line);border-top:4px solid var(--water);border-radius:var(--radius-md);box-shadow:var(--shadow-lift);padding:1.7rem 1.7rem 1.2rem;font-family:var(--mono);transition:transform .25s ease}
.week-card:hover{transform:translateY(-4px)}
.week-card .ct{display:flex;justify-content:space-between;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink);padding-bottom:.9rem;border-bottom:1px solid var(--line)}
.week-card .row{display:flex;justify-content:space-between;align-items:baseline;padding-block:.95rem;border-bottom:1px solid var(--line)}
.week-card .blk{font-size:.95rem;color:var(--muted)}
.week-card .amt{font-size:1.85rem;font-weight:500;color:var(--water)}
.week-card .amt small{font-size:.85rem;color:var(--muted);font-weight:400}
.week-card .note{font-size:.72rem;color:var(--muted);padding-top:1rem;line-height:1.55}
.fig-cap{font-family:var(--mono);font-size:.72rem;color:var(--muted-l);letter-spacing:.04em;padding-inline:.4rem}

/* ---------- photo banner ---------- */
.photo-banner{margin-block:clamp(1rem,3vh,2rem) 0}
.photo-banner img{display:block;width:100%;height:clamp(280px,46vh,460px);object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}
.photo-cap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--muted-l);padding-block:.8rem .2rem}

/* ---------- sections ---------- */
section.block{padding-block:clamp(3.4rem,9vh,6.5rem)}
h2{font-family:var(--serif);font-weight:700;font-size:clamp(2rem,3.8vw,3.1rem);line-height:1.12;letter-spacing:-.01em;max-width:22ch;color:var(--bone)}
.prose{max-width:44rem;margin-top:1.4rem;color:var(--muted-l);font-size:1.08rem}
.prose+.prose{margin-top:1rem}
.prose strong{color:var(--bone);font-weight:600}

/* problem: big serif question beside prose on desktop */
.problem-grid{display:grid;grid-template-columns:1fr;gap:2rem;align-items:start}

/* method: warm white rounded sheet on the brown */
.sheet{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);padding:clamp(1.8rem,4vw,3.5rem)}
.sheet .eyebrow{color:var(--green-700);background:var(--green-tint)}
.sheet .eyebrow::before{background:var(--green-700)}
.sheet h2{color:var(--ink)}
.steps{display:grid;grid-template-columns:1fr;gap:1.4rem;margin-top:2.4rem}
.step{background:var(--bone);border:1px solid var(--line);border-radius:var(--radius-md);padding:1.6rem 1.7rem;transition:transform .22s ease,box-shadow .22s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.step .num{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--green-tint);color:var(--green-700);font-family:var(--mono);font-weight:500;font-size:.95rem}
.step h3{font-family:var(--serif);font-weight:700;font-size:1.35rem;margin-top:.9rem;color:var(--ink)}
.step p{color:var(--muted);margin-top:.55rem;font-size:1rem}

/* pricing: deep green rounded panel */
.panel{background:var(--green-700);color:#EAF2EA;border-radius:var(--radius-lg);padding:clamp(2.2rem,5vw,4rem);box-shadow:var(--shadow-lift)}
.panel .eyebrow{background:rgba(255,255,255,.14);color:#CFE3CF}
.panel .eyebrow::before{background:#CFE3CF}
.panel h2{color:#fff}
.panel .prose{color:#D9E8DA}
.panel .prose strong{color:#fff}

/* status: warm white list card */
.status-card{background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);overflow:hidden;margin-top:1.8rem;max-width:44rem}
.status-card .srow{display:flex;gap:1.4rem;padding:1.3rem 1.7rem;align-items:baseline}
.status-card .srow+.srow{border-top:1px solid var(--line)}
.status-card .st{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green-700);min-width:120px}
.status-card p{color:var(--muted);font-size:1rem}

/* footer */
footer{border-top:1px solid var(--line-dark);padding-block:2.6rem 3.2rem;font-family:var(--mono);font-size:.85rem;color:var(--muted-l)}
footer .who{color:var(--bone);font-weight:500}
footer a{color:var(--green-soft)}
footer a:hover{color:var(--bone)}

/* ---------- animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s cubic-bezier(.22,.75,.35,1)}
.reveal.in{opacity:1;transform:none}
.steps .step.reveal:nth-child(2){transition-delay:.08s}
.steps .step.reveal:nth-child(3){transition-delay:.16s}
.hero-grid>*.reveal:nth-child(2){transition-delay:.1s}

/* ---------- responsive ---------- */
@media(min-width:920px){
  .hero-grid{grid-template-columns:1.08fr .92fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .problem-grid{grid-template-columns:.9fr 1.1fr;gap:4rem}
  .problem-grid .prose{margin-top:0}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .cta,.step,.week-card,.nav-cta{transition:none}
  .cta:hover,.step:hover,.week-card:hover,.nav-cta:hover{transform:none}
}