/* ==========================================================================
   LATAMARKO — Cocoa powder B2B landing
   Light "laboratory" body with dark chocolate dramatic stops (hero/contact).
   1. Fonts & tokens        5. Sections
   2. Reset & base          6. Contact & form
   3. Utilities             7. Footer & floating UI
   4. Chrome (header/nav)   8. Responsive & motion
   ========================================================================== */

/* 1. Fonts & tokens ------------------------------------------------------- */

@font-face{
  font-family:'Estedad';
  src:url('../fonts/Estedad-VF.woff2') format('woff2-variations');
  font-weight:100 900;
  font-display:swap;
  unicode-range:U+0600-06FF,U+200C-200F,U+FB50-FDFF,U+FE70-FEFF,U+0020-007F;
}
@font-face{
  font-family:'Vazirmatn';
  src:url('../fonts/Vazirmatn-VF.woff2') format('woff2-variations');
  font-weight:100 900;
  font-display:swap;
  unicode-range:U+0600-06FF,U+200C-200F,U+FB50-FDFF,U+FE70-FEFF,U+0020-007F;
}

:root{
  --brand-red:#7b2d26;          /* processed-cocoa red */
  --brand-deep:#5a1f1a;
  --gold:#c98a2d;               /* cocoa-crush gold — CTA only */
  --gold-ink:#241503;

  /* Ink on light surfaces */
  --ink-dark:#241610;
  --muted-dark:rgba(36,22,16,.72);
  --faint-dark:rgba(36,22,16,.5);
  --line-dark:rgba(36,22,16,.14);
  --line-strong-dark:rgba(36,22,16,.28);

  /* Ink on dark surfaces */
  --ink-light:#f5ede0;
  --muted-light:rgba(245,237,224,.72);
  --faint-light:rgba(245,237,224,.52);
  --line-light:rgba(245,237,224,.16);

  /* Journey: cream → warm parchment → cocoa red tint → dark chocolate */
  --tone-default:#f6f1e9;
  --tone:var(--tone-live,var(--tone-default));

  --stop-hero:#1b0e09;
  --stop-advantage:#f6f1e9;
  --stop-config:#f1e9db;
  --stop-grades:#f6f1e9;
  --stop-process:#f3ecdd;
  --stop-origins:#f6f1e9;
  --stop-price:#f1e9db;
  --stop-steps:#f6f1e9;
  --stop-faq:#f3ecdd;
  --stop-contact:#170c08;
  --stop-footer:#120806;

  --font-display:'Estedad','Vazirmatn',system-ui,sans-serif;
  --font-body:'Vazirmatn','Estedad',system-ui,sans-serif;
  --font-mono:ui-monospace,'Cascadia Mono','Consolas',monospace;

  --radius:20px;
  --radius-sm:12px;
  --header-h:76px;
  --header-h-scrolled:64px;
  --section-pad:clamp(4.5rem,9vw,8rem);
  --ease-out:cubic-bezier(.22,.61,.36,1);

  --shadow-soft:0 24px 60px -30px rgba(60,30,15,.25);
  --shadow-dark:0 30px 70px -35px rgba(0,0,0,.7);

  --z-header:80;
  --z-wa:70;
  --z-menu:90;
}

/* Surfaces derive from the live tone so the background glides while scrolling.
   Dark stops (hero/contact/footer) flip the ink family via .is-dark. */
/* Per-section stops — main.js reads these and interpolates --tone-live. */
[data-tone="hero"]{--tone-stop:var(--stop-hero)}
[data-tone="advantage"]{--tone-stop:var(--stop-advantage)}
[data-tone="config"]{--tone-stop:var(--stop-config)}
[data-tone="grades"]{--tone-stop:var(--stop-grades)}
[data-tone="process"]{--tone-stop:var(--stop-process)}
[data-tone="origins"]{--tone-stop:var(--stop-origins)}
[data-tone="price"]{--tone-stop:var(--stop-price)}
[data-tone="steps"]{--tone-stop:var(--stop-steps)}
[data-tone="faq"]{--tone-stop:var(--stop-faq)}
[data-tone="contact"]{--tone-stop:var(--stop-contact)}
[data-tone="footer"]{--tone-stop:var(--stop-footer)}
.is-dark,
.is-dark [data-tone]{
  --ink:var(--ink-light);
  --muted:var(--muted-light);
  --faint:var(--faint-light);
  --line:var(--line-light);
  --line-strong:rgba(245,237,224,.3);
}
html:not(.is-dark),
html:not(.is-dark) [data-tone]{
  --ink:var(--ink-dark);
  --muted:var(--muted-dark);
  --faint:var(--faint-dark);
  --line:var(--line-dark);
  --line-strong:var(--line-strong-dark);
}

/* 2. Reset & base --------------------------------------------------------- */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.85;
  background:var(--tone);
  color:var(--ink);
  transition:background-color .5s linear;
  overflow-x:clip;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}

::selection{background:var(--gold);color:var(--gold-ink)}

h1,h2,h3{font-family:var(--font-display);line-height:1.3;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.sr-only{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:-100px;right:16px;z-index:400;
  background:var(--brand-red);color:#fff;padding:.6rem 1.2rem;
  border-radius:0 0 10px 10px;text-decoration:none;
}
.skip-link:focus{top:0}

/* 3. Utilities ------------------------------------------------------------ */

.container{
  width:min(1200px,92vw);
  margin-inline:auto;
}
.container-narrow{width:min(860px,92vw)}
.section{padding-block:var(--section-pad)}

.section-head{
  max-width:760px;
  margin-bottom:clamp(2.5rem,6vw,4.5rem);
  position:relative;
}
.section-head[data-num]::before{
  content:attr(data-num);
  position:absolute;
  top:-.35em;inset-inline-start:-.15em;
  font-family:var(--font-display);
  font-size:clamp(5rem,12vw,8.5rem);
  font-weight:900;
  line-height:1;
  color:var(--brand-red);
  opacity:.08;
  pointer-events:none;
  user-select:none;
}
.chapter-tag{
  display:flex;align-items:center;gap:.75rem;
  font-size:.85rem;font-weight:600;color:var(--muted);
  margin-bottom:1rem;
}
.chapter-tag i{
  font-style:normal;color:var(--brand-red);
  border:1px solid rgba(123,45,38,.35);
  border-radius:999px;padding:.15rem .7rem;
  background:rgba(123,45,38,.06);
}
.is-dark .chapter-tag i{
  color:var(--gold);
  border-color:rgba(201,138,45,.45);
  background:rgba(201,138,45,.1);
}
.section-title{
  font-size:clamp(1.7rem,4.2vw,2.6rem);
  font-weight:800;
  letter-spacing:-.01em;
}
.section-sub{
  margin-top:1rem;color:var(--muted);
  max-width:62ch;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-display);font-weight:700;font-size:1rem;
  padding:.85rem 1.9rem;border-radius:999px;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease-out),box-shadow .25s,background-color .25s,color .25s,border-color .25s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--gold);color:var(--gold-ink);
  box-shadow:0 12px 30px -14px rgba(201,138,45,.8);
}
.btn-primary:hover{background:#d99a35;transform:translateY(-2px)}
.btn-ghost{
  background:transparent;color:inherit;
  border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--brand-red);color:var(--brand-red)}
.is-dark .btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{padding:.5rem 1.2rem;font-size:.9rem}
.btn-lg{width:100%;font-size:1.05rem;padding:1rem}
.btn-lg-inline{width:auto}
.btn-block{width:100%}

.swatch{
  width:18px;height:18px;border-radius:6px;
  background:var(--sw);border:1px solid rgba(255,255,255,.35);
  box-shadow:0 2px 6px rgba(0,0,0,.25);
  display:inline-block;flex:none;
}
.swatch.lg{width:44px;height:44px;border-radius:12px}

.chip-row{
  display:flex;flex-wrap:wrap;gap:.5rem;
}
.chip-row li{
  font-size:.82rem;font-weight:600;
  padding:.25rem .8rem;border-radius:999px;
  background:rgba(123,45,38,.07);
  border:1px solid rgba(123,45,38,.18);
  color:var(--brand-red);
}
/* Chips inside the dark configurator result panel need light-surface ink. */
.config-result .chip-row li{
  background:rgba(201,138,45,.14);
  border-color:rgba(201,138,45,.45);
  color:#eec27f;
}

/* 4. Chrome --------------------------------------------------------------- */

.header{
  position:fixed;inset-inline:0;top:0;z-index:var(--z-header);
  height:var(--header-h);
  display:flex;align-items:center;
  transition:height .3s,background-color .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  height:var(--header-h-scrolled);
  background:color-mix(in srgb,var(--tone) 88%,transparent);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  width:min(1280px,94vw);margin-inline:auto;
  display:flex;align-items:center;gap:2rem;
}
.logo img{height:44px;width:auto}
.nav{
  display:flex;gap:1.6rem;margin-inline-start:auto;
  font-size:.95rem;font-weight:600;
}
.nav a{
  text-decoration:none;color:var(--muted);
  padding:.3rem 0;position:relative;
  transition:color .25s;
}
.nav a::after{
  content:"";position:absolute;bottom:0;inset-inline-start:0;width:0;
  height:2px;border-radius:2px;background:var(--brand-red);
  transition:width .3s var(--ease-out);
}
.is-dark .nav a::after{background:var(--gold)}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current]::after{width:100%}
.header-actions{display:flex;align-items:center;gap:1rem}

.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line-strong);
  cursor:pointer;position:relative;
}
.burger span{
  position:absolute;inset-inline-start:12px;width:18px;height:2px;
  background:var(--ink);border-radius:2px;
  transition:transform .3s var(--ease-out),top .3s;
}
.burger span:nth-child(1){top:18px}
.burger span:nth-child(2){top:24px}
.burger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){top:21px;transform:rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:var(--z-menu);
  background:var(--tone);
  display:grid;place-content:center;gap:.5rem;text-align:center;
  opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;
}
.mobile-menu.is-open{opacity:1;visibility:visible}
.mobile-menu nav{display:grid;gap:.25rem}
.mobile-menu a{
  text-decoration:none;font-family:var(--font-display);
  font-size:1.5rem;font-weight:800;padding:.5rem 1rem;color:var(--ink);
}
.mobile-menu a i{
  font-style:normal;font-size:.8rem;color:var(--brand-red);
  margin-inline-end:.6rem;vertical-align:middle;
}
.is-dark .mobile-menu a i{color:var(--gold)}
.mobile-menu-foot{
  margin-top:2rem;color:var(--muted);font-size:.9rem;
  display:grid;gap:.3rem;
}
.mobile-menu-foot a{font-size:1.1rem;color:var(--ink);text-decoration:none}

/* 5. Sections ------------------------------------------------------------- */

/* ---- Hero (dark) ---- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  padding-block:calc(var(--header-h) + 3rem) 3.5rem;
  color:var(--ink-light);
  isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(58% 72% at 78% 12%,rgba(201,138,45,.22),transparent 62%),
    radial-gradient(46% 60% at 12% 88%,rgba(123,45,38,.4),transparent 60%),
    radial-gradient(120% 100% at 50% 50%,#2a150d 0%,#1b0e09 60%,#140a06 100%);
}
/* CSS "cocoa powder" — layered radial speckle clouds */
.hero-powder{
  position:absolute;inset:-2%;
  background-image:
    radial-gradient(2px 2px at 12% 24%,rgba(217,154,53,.5),transparent 100%),
    radial-gradient(1.5px 1.5px at 28% 66%,rgba(245,237,224,.28),transparent 100%),
    radial-gradient(2.5px 2.5px at 44% 18%,rgba(217,154,53,.32),transparent 100%),
    radial-gradient(1.5px 1.5px at 62% 78%,rgba(245,237,224,.22),transparent 100%),
    radial-gradient(2px 2px at 74% 32%,rgba(217,154,53,.42),transparent 100%),
    radial-gradient(1.5px 1.5px at 86% 60%,rgba(245,237,224,.3),transparent 100%),
    radial-gradient(2px 2px at 8% 82%,rgba(217,154,53,.3),transparent 100%),
    radial-gradient(1.5px 1.5px at 52% 48%,rgba(245,237,224,.18),transparent 100%),
    radial-gradient(2px 2px at 92% 12%,rgba(217,154,53,.36),transparent 100%),
    radial-gradient(1.5px 1.5px at 36% 88%,rgba(245,237,224,.24),transparent 100%);
  background-size:420px 420px,380px 380px,460px 460px,340px 340px,400px 400px,
                  360px 360px,440px 440px,320px 320px,480px 480px,380px 380px;
  animation:powder 26s linear infinite;
  opacity:.9;
}
@keyframes powder{
  to{transform:translate3d(-420px,-380px,0)}
}
.hero-watermark{
  position:absolute;top:8%;inset-inline-start:-2%;
  font-family:var(--font-display);
  font-size:clamp(6rem,20vw,17rem);font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(245,237,224,.09);
  letter-spacing:.04em;user-select:none;pointer-events:none;
}
.hero-inner{position:relative}
.hero-title{
  font-size:clamp(2.4rem,7vw,4.6rem);
  font-weight:900;letter-spacing:-.02em;
  margin-bottom:1.4rem;
}
.hero-title .line{display:block;overflow:hidden}
.hero-title .w{display:inline-block}
.hero-title .accent{color:var(--gold)}
.hero-sub{
  max-width:56ch;color:var(--muted-light);
  font-size:1.1rem;margin-bottom:1.2rem;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:.7rem;
  font-size:.88rem;font-weight:600;color:var(--gold);
  border:1px solid rgba(201,138,45,.4);border-radius:999px;
  padding:.35rem 1.1rem;background:rgba(201,138,45,.08);
  margin-bottom:1.8rem;
}
.hero-badge i{font-style:normal;color:var(--faint-light)}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.4rem}

/* Live CoA strip — the hero's data signature */
.coa-strip{
  display:grid;grid-template-columns:repeat(5,1fr);
  border:1px solid var(--line-light);border-radius:var(--radius);
  background:rgba(245,237,224,.04);
  backdrop-filter:blur(6px);
  overflow:hidden;
  margin-bottom:2.2rem;
}
.coa-cell{
  padding:1rem 1.2rem;
  border-inline-start:1px solid var(--line-light);
  text-align:center;
}
.coa-cell:first-child{border-inline-start:0}
.coa-cell b{
  display:block;font-family:var(--font-mono);
  font-size:clamp(.85rem,1.6vw,1.05rem);font-weight:700;color:var(--gold);
}
.coa-cell span{
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint-light);
}
.hero-foot{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:2rem;flex-wrap:wrap;
}
.hero-mini-stats{display:flex;gap:2.5rem;flex-wrap:wrap}
.hero-mini-stats b{
  display:block;font-family:var(--font-display);
  font-size:1.25rem;font-weight:800;
}
.hero-mini-stats span{font-size:.85rem;color:var(--faint-light)}
.scroll-hint{
  display:flex;flex-direction:column;align-items:center;gap:.6rem;
  font-size:.8rem;color:var(--faint-light);
}
.scroll-line{
  width:1px;height:52px;
  background:linear-gradient(var(--gold),transparent);
  animation:scrollpulse 2s var(--ease-out) infinite;
}
@keyframes scrollpulse{
  0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ---- Marquee ---- */
.marquee{
  overflow:hidden;border-block:1px solid var(--line);
  padding-block:.9rem;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  color:var(--brand-red);
  background:rgba(123,45,38,.05);
}
.marquee-track{display:flex;width:max-content;animation:marquee 28s linear infinite}
.marquee-set{display:flex;gap:2.4rem;padding-inline-end:2.4rem}
.marquee-set li{display:flex;align-items:center;gap:2.4rem;white-space:nowrap}
.marquee-set li::after{content:"◆";font-size:.5rem;color:var(--gold)}
@keyframes marquee{to{transform:translateX(50%)}}

/* ---- Advantage ---- */
.adv-wrap{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;
}
.adv-card{
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.8rem 1.5rem;
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.adv-card h3{font-size:1.05rem;font-weight:800;margin:.9rem 0 .6rem}
.adv-card p{font-size:.92rem;color:var(--muted)}
.i-badge{
  display:inline-grid;place-items:center;
  width:46px;height:46px;border-radius:14px;
  color:var(--brand-red);
  background:rgba(123,45,38,.08);
  border:1px solid rgba(123,45,38,.2);
}
.i-badge svg{width:22px;height:22px}

.proof-strip{
  margin-top:2.2rem;
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  background:rgba(123,45,38,.04);
}
.proof-cell{
  padding:1.4rem 1rem;text-align:center;
  border-inline-start:1px solid var(--line);
}
.proof-cell:first-child{border-inline-start:0}
.proof-cell b{
  display:block;font-family:var(--font-display);
  font-size:1.6rem;font-weight:900;color:var(--brand-red);
}
.proof-cell span{font-size:.85rem;color:var(--muted)}

/* ---- Configurator ---- */
.config-wrap{
  display:grid;grid-template-columns:1.15fr .85fr;gap:1.4rem;
  align-items:start;
}
.config-controls{
  display:grid;gap:1.4rem;
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;
}
.cfg-group{border:0;padding:0;margin:0;min-inline-size:0}
.cfg-group legend{
  font-family:var(--font-display);font-weight:800;font-size:.95rem;
  padding:0;margin-bottom:.8rem;
}
.cfg-options{display:flex;flex-wrap:wrap;gap:.6rem}
.cfg-opt{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.55rem 1.1rem;border-radius:999px;
  background:transparent;border:1px solid var(--line-strong);
  color:var(--muted);cursor:pointer;
  font-weight:600;font-size:.92rem;
  transition:all .25s var(--ease-out);
}
.cfg-opt b{font-family:var(--font-mono);font-size:.82rem}
.cfg-opt:hover{border-color:var(--brand-red)}
.cfg-opt.is-active{
  background:var(--brand-red);border-color:var(--brand-red);
  color:#fff;
}
.cfg-opt.is-active .swatch{outline:2px solid rgba(255,255,255,.7)}

.config-result{
  position:sticky;top:calc(var(--header-h) + 1rem);
  background:var(--ink-dark);
  color:var(--ink-light);
  border-radius:var(--radius);
  padding:1.8rem;
  box-shadow:var(--shadow-dark);
}
.cfg-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.4rem}
.cfg-chip{
  width:58px;height:58px;border-radius:16px;flex:none;
  background:var(--sw,#8a5a3b);
  border:1px solid rgba(255,255,255,.25);
  box-shadow:inset 0 -8px 18px rgba(0,0,0,.35);
  transition:background-color .45s var(--ease-out);
}
.cfg-head h3{font-size:1.25rem;font-weight:800}
.cfg-latin{
  font-family:var(--font-mono);font-size:.78rem;
  letter-spacing:.08em;color:var(--gold);
}
.cfg-specs{
  display:grid;grid-template-columns:1fr 1fr;gap:.7rem 1rem;
  margin:0 0 1.4rem;
}
.cfg-specs>div{
  display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px dashed var(--line-light);
  padding-bottom:.45rem;
}
.cfg-specs dt{font-size:.85rem;color:var(--muted-light)}
.cfg-specs dd{
  margin:0;font-family:var(--font-mono);
  font-size:.92rem;font-weight:700;
}
.cfg-apps{margin-bottom:1.4rem}
.cfg-apps>b{
  display:block;font-size:.85rem;color:var(--muted-light);margin-bottom:.6rem;
}
.config-result .btn-primary{width:100%}
.cfg-note{
  margin-top:.9rem;font-size:.78rem;color:var(--faint-light);
}

/* ---- Grades ---- */
.app-filter{
  display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem;
}
.app-tag{
  padding:.45rem 1.2rem;border-radius:999px;
  background:transparent;border:1px solid var(--line-strong);
  color:var(--muted);font-weight:600;font-size:.92rem;cursor:pointer;
  transition:all .25s var(--ease-out);
}
.app-tag:hover{border-color:var(--brand-red);color:var(--brand-red)}
.app-tag.is-active{background:var(--ink-dark);border-color:var(--ink-dark);color:var(--ink-light)}
.grade-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;
}
.grade-card{
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;
  transition:transform .3s var(--ease-out),box-shadow .3s,opacity .35s;
}
.grade-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.grade-card.is-dimmed{opacity:.28;transform:scale(.97)}
.grade-card>header{
  display:flex;align-items:center;gap:1rem;margin-bottom:1.1rem;
}
.grade-card h3{font-size:1.05rem;font-weight:800}
.grade-card header span{
  font-family:var(--font-mono);font-size:.74rem;
  letter-spacing:.06em;color:var(--faint);
}
.grade-card dl{
  display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1rem;
  margin:0 0 1rem;
}
.grade-card dl>div{
  display:flex;justify-content:space-between;
  border-bottom:1px dashed var(--line);padding-bottom:.4rem;
}
.grade-card dt{font-size:.82rem;color:var(--muted)}
.grade-card dd{margin:0;font-family:var(--font-mono);font-size:.85rem;font-weight:700}

/* ---- Process flow ---- */
.flow-line{
  display:grid;grid-template-columns:repeat(8,1fr);gap:.8rem;
  counter-reset:step;
}
.flow-line li{
  position:relative;
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:1.2rem .9rem;
  transition:transform .3s var(--ease-out),border-color .3s;
}
.flow-line li:hover{transform:translateY(-4px);border-color:var(--brand-red)}
.flow-line i{
  display:grid;place-items:center;
  width:30px;height:30px;border-radius:999px;
  background:var(--brand-red);color:#fff;
  font-style:normal;font-weight:800;font-size:.85rem;
  margin-bottom:.7rem;
}
.flow-line b{
  display:block;font-family:var(--font-display);
  font-size:.95rem;font-weight:800;margin-bottom:.2rem;
}
.flow-line span{font-size:.78rem;color:var(--muted);line-height:1.6;display:block}

/* ---- Origins ---- */
.o-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;
}
.o-card{
  --oc:#e8a34c;
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;
  position:relative;overflow:hidden;
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.o-card::before{
  content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;
  width:4px;background:var(--oc);
}
.o-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.o-head{display:flex;align-items:center;gap:.9rem;margin-bottom:1rem}
.o-flag{
  width:46px;height:32px;border-radius:6px;overflow:hidden;
  border:1px solid var(--line);flex:none;
  box-shadow:0 3px 8px rgba(36,22,16,.12);
}
.o-flag img{width:100%;height:100%;object-fit:cover}
.o-head h3{font-size:1.1rem;font-weight:800}
.o-latin{
  font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.1em;color:var(--faint);
}
.o-vars{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1rem}
.o-vars li{
  font-family:var(--font-mono);font-size:.78rem;
  padding:.15rem .65rem;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);
}
.o-meta{
  display:grid;grid-template-columns:1fr 1fr;gap:.4rem 1rem;
  margin:0 0 1.2rem;
}
.o-meta div{
  display:flex;justify-content:space-between;
  border-bottom:1px dashed var(--line);padding-bottom:.35rem;
}
.o-meta dt{font-size:.8rem;color:var(--muted)}
.o-meta dd{margin:0;font-size:.85rem;font-weight:700}
.o-cta{
  display:inline-flex;align-items:center;gap:.4rem;
  font-weight:700;font-size:.9rem;text-decoration:none;
  color:var(--brand-red);
}
.o-cta::after{content:"←";transition:transform .25s var(--ease-out)}
.o-cta:hover::after{transform:translateX(-4px)}

/* ---- Price ---- */
.price-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;
}
.price-card{
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem 1.5rem;
}
.price-card h3{font-size:1.05rem;font-weight:800;margin-bottom:.6rem}
.price-card p{font-size:.92rem;color:var(--muted)}
.price-note{
  margin-top:1.6rem;
  display:flex;gap:.7rem;align-items:flex-start;
  font-size:.9rem;color:var(--muted);
  max-width:70ch;
}
.price-note svg{width:20px;height:20px;flex:none;color:var(--brand-red)}

/* ---- Steps ---- */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;
}
.step{
  position:relative;
  border-top:2px solid var(--brand-red);
  padding-top:1.4rem;
}
.step-num{
  font-family:var(--font-mono);font-size:.85rem;font-weight:700;
  color:var(--brand-red);letter-spacing:.15em;
}
.step h3{font-size:1.05rem;font-weight:800;margin:.5rem 0 .5rem}
.step p{font-size:.92rem;color:var(--muted)}

/* ---- FAQ ---- */
.accordion{display:grid;gap:.7rem}
.acc{
  background:color-mix(in srgb,var(--tone) 94%,#fff);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;
}
.acc summary{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  cursor:pointer;list-style:none;
  padding:1.1rem 1.4rem;
  font-family:var(--font-display);font-weight:700;font-size:1rem;
  transition:background-color .25s;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{background:rgba(123,45,38,.04)}
.acc-icon{
  position:relative;width:14px;height:14px;flex:none;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;inset-inline-start:0;top:6px;
  width:14px;height:2px;border-radius:2px;
  background:var(--brand-red);transition:transform .3s var(--ease-out);
}
.acc-icon::after{transform:rotate(90deg)}
.acc[open] .acc-icon::after{transform:rotate(0)}
.acc-body{padding:0 1.4rem 1.2rem;color:var(--muted);font-size:.95rem}

/* 6. Contact & form ------------------------------------------------------- */

.contact{
  position:relative;color:var(--ink-light);
  isolation:isolate;
}
.contact-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(52% 60% at 85% 10%,rgba(201,138,45,.14),transparent 60%),
    radial-gradient(60% 70% at 8% 95%,rgba(123,45,38,.35),transparent 62%),
    linear-gradient(#1d0f0a,#170c08);
}
.contact-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem;
  align-items:start;
}
.contact-title{
  font-size:clamp(1.7rem,4vw,2.5rem);font-weight:900;
  margin-bottom:1rem;
}
.contact-sub{color:var(--muted-light);margin-bottom:1.8rem;max-width:48ch}
.contact-hints{
  border:1px solid var(--line-light);border-radius:var(--radius);
  padding:1.4rem 1.6rem;margin-bottom:1.8rem;
  background:rgba(245,237,224,.04);
}
.contact-hints b{display:block;margin-bottom:.7rem;font-size:.95rem}
.contact-hints li{
  color:var(--muted-light);font-size:.92rem;
  padding-inline-start:1.3rem;position:relative;
}
.contact-hints li::before{
  content:"";position:absolute;inset-inline-start:0;top:.75em;
  width:7px;height:7px;border-radius:2px;background:var(--gold);
}
.contact-rows{display:grid;gap:.5rem}
.c-row{
  display:inline-flex;align-items:center;gap:.7rem;
  text-decoration:none;font-weight:700;font-size:1rem;
  color:var(--ink-light);
  padding:.55rem .9rem;border-radius:12px;
  transition:background-color .25s;
  width:fit-content;
}
.c-row:hover{background:rgba(245,237,224,.06)}
.c-row::before{
  content:"";width:8px;height:8px;border-radius:999px;
  background:var(--gold);flex:none;
}

.contact-form{
  background:rgba(245,237,224,.05);
  border:1px solid var(--line-light);
  border-radius:var(--radius);
  padding:1.8rem;
  backdrop-filter:blur(8px);
}
.form-context{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  background:rgba(201,138,45,.12);
  border:1px solid rgba(201,138,45,.4);
  color:var(--gold);
  border-radius:var(--radius-sm);
  padding:.6rem 1rem;font-size:.9rem;font-weight:600;
  margin-bottom:1.2rem;
}
.form-context button{
  background:transparent;border:0;color:inherit;cursor:pointer;
  display:grid;place-items:center;padding:.2rem;
}
.form-context svg{width:14px;height:14px}
.form-row{
  display:grid;grid-template-columns:1fr 1fr;gap:1rem;
}
.field{display:grid;gap:.4rem;margin-bottom:1rem}
.field label{font-size:.88rem;font-weight:600;color:var(--muted-light)}
.field .req{color:var(--gold)}
.field .opt{font-weight:400;font-size:.78rem;color:var(--faint-light)}
.field input,.field textarea,.field select{
  width:100%;
  font:inherit;font-size:.95rem;
  color:var(--ink-light);
  background:rgba(23,12,8,.6);
  border:1px solid var(--line-light);
  border-radius:var(--radius-sm);
  padding:.7rem .9rem;
  transition:border-color .25s,box-shadow .25s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--faint-light)}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(201,138,45,.18);
}
.field select{appearance:none;cursor:pointer}
.select-wrap{position:relative;display:block}
.select-wrap::after{
  content:"";position:absolute;inset-inline-end:.9rem;top:50%;
  width:8px;height:8px;border-inline-start:2px solid var(--muted-light);
  border-bottom:2px solid var(--muted-light);
  transform:translateY(-70%) rotate(-45deg);
  pointer-events:none;
}
.field textarea{resize:vertical;min-height:110px}
.field-error{font-size:.8rem;color:#ff9a9e}
.field.has-error input{border-color:#ff9a9e}
.hp-field{position:absolute;inset-inline-start:-9999px;top:-9999px;opacity:0;height:0;overflow:hidden}
.form-note{font-size:.78rem;color:var(--faint-light);margin-top:.8rem}
.form-alert{
  margin-top:1rem;font-size:.9rem;font-weight:600;color:#ff9a9e;
}
.form-success{
  margin-top:1.2rem;
  display:grid;gap:.5rem;justify-items:start;
  border:1px solid rgba(201,138,45,.45);
  background:rgba(201,138,45,.1);
  border-radius:var(--radius-sm);
  padding:1.4rem;
}
.form-success svg{width:34px;height:34px;color:var(--gold)}
.form-success b{font-family:var(--font-display);font-size:1.1rem}
.form-success span{color:var(--muted-light);font-size:.9rem}
.form-success .btn{margin-top:.5rem}
/* Author display rules must not defeat the hidden attribute. */
.form-success[hidden]{display:none}
.form-context[hidden]{display:none}
.form-alert[hidden]{display:none}

/* 7. Footer ---------------------------------------------------------------- */

.footer{
  padding:3rem 0 2rem;
  color:var(--ink-light);
  position:relative;overflow:hidden;
  background:#120806;
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  gap:1rem;flex-wrap:wrap;
  font-size:.88rem;color:var(--muted-light);
}
.footer-made{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em}
.footer-watermark{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(4rem,14vw,11rem);line-height:.8;
  text-align:center;user-select:none;
  color:transparent;-webkit-text-stroke:1px rgba(245,237,224,.06);
  margin-top:2rem;
}

/* Floating WhatsApp */
.wa-float{
  position:fixed;inset-inline-end:1.4rem;bottom:1.4rem;z-index:var(--z-wa);
  width:52px;height:52px;border-radius:999px;
  display:grid;place-items:center;
  background:#25d366;color:#fff;
  box-shadow:0 14px 34px -12px rgba(37,211,102,.7);
  text-decoration:none;
}
.wa-float svg{width:26px;height:26px}
.wa-tip{
  position:absolute;inset-inline-end:calc(100% + .8rem);
  white-space:nowrap;font-size:.8rem;font-weight:700;
  background:var(--ink-dark);color:var(--ink-light);
  padding:.35rem .8rem;border-radius:8px;
  opacity:0;transform:translateX(6px);
  transition:opacity .25s,transform .25s;
  pointer-events:none;
}
.wa-float:hover .wa-tip{opacity:1;transform:translateX(0)}

/* 8. Responsive & motion --------------------------------------------------- */

@media (max-width:1080px){
  .adv-wrap{grid-template-columns:repeat(2,1fr)}
  .config-wrap{grid-template-columns:1fr}
  .config-result{position:static}
  .grade-grid{grid-template-columns:repeat(2,1fr)}
  .o-grid{grid-template-columns:repeat(2,1fr)}
  .flow-line{grid-template-columns:repeat(4,1fr)}
  .coa-strip{grid-template-columns:repeat(3,1fr)}
  .coa-cell:nth-child(4){border-inline-start:0}
}
@media (max-width:820px){
  .nav{display:none}
  .burger{display:block}
  .header-actions .btn{display:none}
  .contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .proof-strip{grid-template-columns:repeat(2,1fr)}
  .proof-cell:nth-child(3){border-inline-start:0}
  .proof-cell{border-top:1px solid var(--line)}
  .proof-cell:nth-child(-n+2){border-top:0}
}
@media (max-width:600px){
  body{font-size:1rem}
  .adv-wrap,.grade-grid,.o-grid,.flow-line,.steps-grid,.form-row{grid-template-columns:1fr}
  .flow-line li{display:flex;gap:.9rem;align-items:flex-start}
  .flow-line i{margin-bottom:0}
  .coa-strip{grid-template-columns:repeat(2,1fr)}
  .coa-cell:nth-child(odd){border-inline-start:0}
  .cfg-specs{grid-template-columns:1fr}
  .contact-form,.config-controls{padding:1.3rem}
  .hero{align-items:center;min-height:92svh}
}

/* Reveal on scroll (JS progressively enhances; without JS everything shows) */
.js [data-reveal]{opacity:0;transform:translateY(24px)}
.js [data-reveal].is-in{opacity:1;transform:none;transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.js [data-hero-fade]{opacity:0;transform:translateY(18px)}
.js .is-loaded [data-hero-fade]{
  opacity:1;transform:none;
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.js .hero-title .w{transform:translateY(110%)}
.js .is-loaded .hero-title .w{transform:none;transition:transform .9s var(--ease-out)}
.js .is-loaded .hero-title .line:nth-child(2) .w{transition-delay:.12s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .js [data-reveal],.js [data-hero-fade],.js .hero-title .w{opacity:1;transform:none}
}

/* 9. Photo slots ------------------------------------------------------------
   Every <figure.shot> is a drop-in photo frame. The <img> points at the real
   photo (assets/img/<name>.jpg); until that file exists, main.js swaps in the
   labelled placeholder from assets/img/ph/. Drop the real file in place —
   same filename, same folder — and it appears; no code change needed. */

.shot{
  position:relative;margin:0;
  overflow:hidden;
  border-radius:var(--radius);
  background:linear-gradient(135deg,#2b1810,#140a06);
}
.shot img{display:block;width:100%;height:100%;object-fit:cover}
.shot figcaption{
  position:absolute;inset-inline:0;bottom:0;
  display:flex;align-items:flex-end;justify-content:space-between;gap:.8rem;
  padding:.9rem 1.1rem;
  font-size:.78rem;line-height:1.5;color:#f5ede0;
  background:linear-gradient(transparent,rgba(16,7,5,.85));
}
.shot figcaption b{color:var(--gold);font-family:var(--font-mono);letter-spacing:.05em}

/* Hero — text and photo share the container on wide screens */
.hero-inner{display:grid;gap:2.6rem}
.hero-copy{min-width:0}
.hero-media{
  aspect-ratio:1200/1500;
  border:1px solid rgba(201,138,45,.32);
  box-shadow:var(--shadow-dark);
}
.hero-media figcaption .cap-latin{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;color:var(--gold);
}
@media (min-width:1081px){
  .hero-inner{
    grid-template-columns:minmax(0,1.22fr) minmax(300px,.78fr);
    column-gap:4rem;gap:0;align-items:end;
  }
  .hero-media{max-width:420px;justify-self:end}
}
@media (max-width:1080px){
  .hero-media{width:100%;max-width:440px;margin-inline:auto}
}

/* Advantage — wide band under the proof strip */
.band-shot{aspect-ratio:1920/740;margin-top:2.4rem}

/* Configurator — macro strip inside the dark result panel */
.cfg-shot{
  aspect-ratio:1200/520;margin-bottom:1.5rem;
  border-radius:var(--radius-sm);border:1px solid var(--line-light);
}

/* Grade cards — photo bleeds to the card edges */
.g-shot{
  margin:-1.6rem -1.6rem 1.2rem;
  aspect-ratio:1000/750;
  border-radius:var(--radius) var(--radius) 0 0;
}
.grade-card .g-shot img{transition:transform .6s var(--ease-out)}
.grade-card:hover .g-shot img{transform:scale(1.05)}

/* Origin cards — photo above the flag header; colour rail stays on top */
.o-shot{
  margin:-1.6rem -1.6rem 1.2rem;
  aspect-ratio:800/500;
  border-radius:var(--radius) var(--radius) 0 0;
}
.o-card::before{z-index:1}
.o-card .o-shot img{transition:transform .6s var(--ease-out)}
.o-card:hover .o-shot img{transform:scale(1.05)}

/* Process — three stills tied to the flow steps */
.process-shots{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.8rem}
.p-shot{aspect-ratio:1000/750;border-radius:var(--radius-sm)}

/* Contact — warehouse shot in the dark info column */
.facility-shot{aspect-ratio:1000/750;margin-top:1.8rem;border:1px solid var(--line-light)}

@media (max-width:820px){
  .band-shot{aspect-ratio:16/10}
  .process-shots{grid-template-columns:repeat(2,1fr)}
  .p-shot:first-child{grid-column:1/-1}
}
@media (max-width:600px){
  .process-shots{grid-template-columns:1fr}
  .p-shot:first-child{grid-column:auto}
  .hero-media{aspect-ratio:1/1}
}