/* ===================== VARIABLES ===================== */
:root{
  --bg:#0a0a0a;
  --surface:#141414;
  --surface-2:#1a1a1a;
  --ink:#f5f5f0;
  --ink-dim:#a8a29b;
  --ink-faint:#6b655f;
  --border: rgba(245,245,240,.14);
  --border-strong: rgba(245,245,240,.3);
  --accent:#ff3b30;
  --accent-2:#ffcc00;
  --on-accent:#0a0a0a;
  --radius:4px;
  --radius-sm:2px;
  --font-ar:'Tajawal',sans-serif;
  --font-en:'Inter',sans-serif;
  --font:var(--font-ar);
  --font-mono:'JetBrains Mono', monospace;
  --font-numeric:'Inter', sans-serif;
  --shadow-hard: 6px 6px 0 #000;
  --shadow-hard-accent: 6px 6px 0 var(--accent);
  --ease: cubic-bezier(.2,.9,.3,1);
}
html[lang="en"]{ --font: var(--font-en); }

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg); color:var(--ink); font-family:var(--font);
  line-height:1.7; overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit; cursor:pointer; border:none; background:none; color:inherit;}
table{border-collapse:collapse; width:100%;}
svg{flex:none;}
.mono{ font-family:var(--font-mono); }

.container{width:100%; max-width:1120px; margin-inline:auto; padding-inline:20px;}

/* ===================== REVEAL ON SCROLL ===================== */
.reveal-up{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-up.in-view{ opacity:1; transform:translateY(0); }
.reveal-up[data-delay="1"]{ transition-delay:.08s; }
.reveal-up[data-delay="2"]{ transition-delay:.16s; }
.reveal-up[data-delay="3"]{ transition-delay:.24s; }
.reveal-up[data-delay="4"]{ transition-delay:.32s; }


/* ===================== DECOR: PULSE LINE + STRIPES ===================== */
.hero-bg-deco{ position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:0; direction:ltr; }
/* tiled background (not a fixed number of DOM copies) so the pattern never runs out,
   no matter how wide the viewport is; animating background-position loops it exactly
   one tile-width per cycle for a perfectly seamless scroll. */
.pulse-strip{
  position:absolute; top:38%; left:0; right:0; height:120px; opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 100'%3E%3Cpath d='M0 50 H60 L75 20 L90 80 L105 35 L120 65 L135 50 H220 L235 15 L250 85 L265 30 L280 70 L295 50 H380 L395 20 L410 80 L425 35 L440 65 L455 50 H540 L555 15 L570 85 L585 30 L600 50' fill='none' stroke='%23ff3b30' stroke-width='4'/%3E%3C/svg%3E");
  background-repeat:repeat-x; background-size:600px 120px;
  animation:pulseScroll 10s linear infinite; will-change:background-position;
}
@keyframes pulseScroll{ from{ background-position:0 0; } to{ background-position:-600px 0; } }
.diagonal-stripe{
  position:absolute; inset-inline-end:-16%; top:-30%; width:160px; height:180%;
  background:var(--accent); transform:rotate(12deg); opacity:.9; z-index:0;
}
.diagonal-stripe::after{
  content:''; position:absolute; inset-inline-start:-34px; top:0; width:10px; height:100%; background:var(--accent-2);
}
.grid-lines{
  position:absolute; inset:0;
  background-image:linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, black, transparent 75%);
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:16px 30px; border-radius:10px; font-weight:800; font-size:.95rem;
  letter-spacing:.01em; border:none; position:relative; overflow:hidden;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.btn-primary{ background:var(--accent); color:#fff; box-shadow:0 8px 22px -8px rgba(255,59,48,.6); }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 34px -8px rgba(255,59,48,.8); background:#ff2318; }
.btn-primary:active{ transform:translateY(-1px); }
.btn-outline{ background:transparent; color:var(--ink); border:2px solid var(--border-strong); }
.btn-outline:hover{ transform:translateY(-3px); border-color:var(--accent); color:var(--accent); }
.btn-block{ width:100%; }

/* ===================== HEADER ===================== */
.site-header{
  position:sticky; top:0; z-index:100; background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(14px) saturate(140%); border-bottom:1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; padding:16px 0; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:900; font-size:1.1rem; letter-spacing:.01em; flex-shrink:0; }
.brand-mark{ height:38px; width:auto; display:block; object-fit:contain; }
.footer-brand .brand-mark{ height:42px; }

.main-nav{ display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.nav-link{
  font-weight:600; font-size:.87rem; color:var(--ink-dim); transition:all .2s; position:relative;
  padding:9px 14px; border-radius:8px;
}
.nav-link:hover{ color:var(--ink); background:var(--surface); }
.nav-link.active{ color:var(--ink); background:var(--surface-2); }

.nav-item-dropdown{ position:relative; }
.nav-dropdown-toggle{
  display:flex; align-items:center; gap:5px; font-weight:600; font-size:.87rem; color:var(--ink-dim);
  padding:9px 14px; border-radius:8px; transition:all .2s; cursor:pointer;
}
.nav-dropdown-toggle svg{ width:13px; height:13px; transition:transform .2s; }
.nav-dropdown-toggle.active{ color:var(--ink); background:var(--surface-2); }
.nav-item-dropdown:hover .nav-dropdown-toggle, .nav-item-dropdown.dd-open .nav-dropdown-toggle{ color:var(--ink); background:var(--surface); }
.nav-item-dropdown:hover .nav-dropdown-toggle svg, .nav-item-dropdown.dd-open .nav-dropdown-toggle svg{ transform:rotate(180deg); }
.nav-dropdown-menu{
  position:absolute; top:100%; inset-inline-start:0; margin-top:8px; padding:8px;
  background:var(--surface-2); border:1px solid var(--border-strong); border-radius:12px;
  min-width:220px; box-shadow:0 24px 48px -16px rgba(0,0,0,.7);
  opacity:0; visibility:hidden; transform:translateY(6px); transition:all .18s var(--ease); z-index:50;
}
.nav-item-dropdown:hover .nav-dropdown-menu, .nav-item-dropdown.dd-open .nav-dropdown-menu{
  opacity:1; visibility:visible; transform:translateY(0);
}
.nav-dropdown-menu a{ display:block; padding:10px 14px; border-radius:8px; font-size:.86rem; font-weight:600; color:var(--ink-dim); }
.nav-dropdown-menu a:hover{ background:var(--surface); color:var(--accent); }

.header-tools{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.lang-switch{
  font-weight:700; font-size:.8rem; padding:9px 16px; border-radius:8px;
  border:1px solid var(--border-strong); color:var(--ink); transition:all .2s var(--ease);
}
.lang-switch:hover{ background:var(--accent); border-color:var(--accent); color:#fff; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; width:30px; }
.nav-toggle span{ height:2px; background:var(--ink); border-radius:2px; }

/* ===================== BREADCRUMBS ===================== */
.breadcrumbs{ max-width:1120px; margin:16px auto 0; padding-inline:20px; font-size:.8rem; color:var(--ink-faint); display:flex; gap:8px; flex-wrap:wrap; position:relative; z-index:2; font-family:var(--font-mono); }
.breadcrumbs a{ color:var(--ink-faint); }
.breadcrumbs a:hover{ color:var(--accent); }
.crumb-sep{ opacity:.5; }

/* ===================== HERO / PAGE HEAD ===================== */
.page-hero{ padding:40px 0 8px; text-align:center; position:relative; z-index:2; }
.page-hero h1{ font-size:clamp(1.8rem,3.8vw,2.6rem); font-weight:900; margin-bottom:14px; text-transform:uppercase; letter-spacing:-.01em; }
.page-intro{ color:var(--ink-dim); max-width:680px; margin-inline:auto; font-size:1.02rem; }

.home-hero{ padding:70px 0 20px; text-align:center; position:relative; overflow:hidden; }
.home-hero-inner{ position:relative; z-index:2; }
.eyebrow{
  display:inline-flex; align-items:center; gap:9px; padding:0;
  font-size:.78rem; font-weight:700; color:var(--ink-dim); background:none; border:none;
  text-transform:uppercase; letter-spacing:.08em; margin-bottom:22px; font-family:var(--font-mono);
}
.dot-pulse{ width:7px; height:7px; border-radius:50%; background:var(--accent); position:relative; flex-shrink:0; }
.dot-pulse::after{ content:''; position:absolute; inset:-4px; border-radius:50%; border:2px solid var(--accent); animation:pulse 1.6s ease-out infinite; }
@keyframes pulse{ 0%{ transform:scale(.6); opacity:1; } 100%{ transform:scale(1.9); opacity:0; } }
.home-hero h1{ font-size:clamp(1.9rem,3.6vw,2.7rem); font-weight:900; line-height:1.3; margin-bottom:18px; letter-spacing:-.005em; max-width:760px; margin-inline:auto; }
.home-hero .highlight{ color:var(--accent); -webkit-text-stroke:0; }
.home-hero .page-intro{ font-size:1.06rem; margin-bottom:36px; }
.home-hero-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

.hero-stats{ display:flex; justify-content:center; gap:0; flex-wrap:wrap; padding-top:44px; margin-top:40px; border-top:2px solid var(--border-strong); position:relative; z-index:2; }
.stat{ display:flex; flex-direction:column; gap:4px; text-align:center; padding:0 34px; border-inline-end:2px solid var(--border); }
.stat:last-child{ border-inline-end:none; }
.stat-num{ font-family:var(--font-mono); font-size:2.4rem; font-weight:800; color:var(--accent); direction:ltr; unicode-bidi:isolate; }
.stat-label{ font-size:.76rem; color:var(--ink-faint); font-weight:700; text-transform:uppercase; letter-spacing:.03em; }

/* ===================== AD SLOTS ===================== */
.ad-slot{
  max-width:1120px; margin:28px auto; padding:18px; border:2px dashed var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  color:var(--ink-faint); font-size:.75rem; font-weight:700; background:var(--surface); position:relative; z-index:2;
  text-transform:uppercase; letter-spacing:.05em; font-family:var(--font-mono);
}
.ad-slot--banner{ min-height:90px; }
.ad-slot--rectangle{ min-height:250px; max-width:336px; }

/* ===================== CALCULATOR ===================== */
.calc-layout{ display:grid; grid-template-columns:1fr; gap:24px; padding:12px 0 30px; max-width:660px; position:relative; z-index:2; }
.calc-card, .results-card{
  background:var(--surface); border:1px solid var(--border-strong); border-radius:18px;
  padding:30px; box-shadow:0 24px 60px -30px rgba(0,0,0,.7); position:relative; overflow:hidden;
}
.calc-card::before{ content:''; position:absolute; top:0; inset-inline:0; height:3px; background:var(--accent); }
.calc-card h2, .results-card h2{ font-size:1.05rem; font-weight:800; margin-bottom:20px; color:var(--ink); }

.field-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:24px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field--wide{ grid-column:1 / -1; }
.field span{ font-size:.82rem; font-weight:700; color:var(--ink-dim); }
.field input{
  padding:14px 16px; border:1.5px solid var(--border-strong); border-radius:11px;
  font-size:1.05rem; font-family:var(--font-mono); background:var(--bg); color:var(--ink);
  transition:border-color .2s, box-shadow .2s;
}
.field select{
  padding:14px 40px 14px 16px; border:1.5px solid var(--border-strong); border-radius:11px;
  font-size:.92rem; font-family:var(--font); font-weight:500; background-color:var(--bg); color:var(--ink);
  transition:border-color .2s, box-shadow .2s; appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8a29b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:left 14px center; background-size:16px;
}
html[dir="ltr"] .field select{ background-position:right 14px center; padding:14px 16px 14px 40px; }
.field input:focus, .field select:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 4px rgba(255,59,48,.14); }
fieldset.field{ border:none; padding:0; }

.radio-row{
  display:flex; border:1.5px solid var(--border-strong); border-radius:11px; overflow:hidden; padding-top:0;
}
.radio-row label{
  flex:1; display:flex; align-items:center; justify-content:center; gap:6px;
  padding:13px 10px; font-weight:700; font-size:.92rem; cursor:pointer; transition:all .2s var(--ease);
  position:relative; color:var(--ink-dim);
}
.radio-row label:first-child{ border-inline-end:1.5px solid var(--border-strong); }
.radio-row label input{ position:absolute; opacity:0; pointer-events:none; }
.radio-row label:has(input:checked){ background:var(--accent); color:#fff; }

.field-error{ color:var(--accent); font-size:.85rem; font-weight:700; margin-top:12px; }

.results-card{ background:var(--surface); border-color:var(--accent); }
.result-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.result-tile{
  background:var(--bg); border:1.5px solid var(--border); border-radius:13px; padding:18px; text-align:center;
  display:flex; flex-direction:column; gap:4px;
}
.result-tile--accent{ grid-column:1 / -1; background:var(--accent); color:#fff; padding:26px; border:none; box-shadow:0 14px 32px -14px rgba(255,59,48,.6); }
.result-value{ font-family:var(--font-numeric); font-variant-numeric:tabular-nums; font-size:2.1rem; font-weight:800; direction:ltr; unicode-bidi:isolate; }
.result-unit{ font-size:.75rem; opacity:.85; font-weight:700; }
.result-label{ font-size:.82rem; font-weight:700; margin-top:4px; }
.result-note{ margin-top:16px; font-size:.88rem; color:var(--ink-dim); }
.result-note a{ color:var(--accent); font-weight:700; }

.bmi-gauge{ text-align:center; padding:10px 0 6px; }
.bmi-value{ display:block; font-family:var(--font-numeric); font-variant-numeric:tabular-nums; font-size:3rem; font-weight:800; color:var(--accent); direction:ltr; unicode-bidi:isolate; }
.bmi-category{ display:inline-block; margin-top:8px; padding:7px 20px; border-radius:999px; font-weight:800; font-size:.86rem; border:none; }
.bmi-category.under{ background:var(--accent-2); color:#0a0a0a; }
.bmi-category.normal{ background:#3ddc84; color:#0a0a0a; }
.bmi-category.over{ background:#ff9f30; color:#0a0a0a; }
.bmi-category.obese{ background:var(--accent); color:#0a0a0a; }

.disclaimer{ font-size:.8rem; color:var(--ink-faint); text-align:center; max-width:640px; margin:0 auto 20px; position:relative; z-index:2; }

/* ===================== CONTENT SECTIONS ===================== */
.content-section{ padding:28px 0; max-width:820px; position:relative; z-index:2; }
.content-section h2{ font-size:1.4rem; font-weight:900; margin-bottom:14px; text-transform:uppercase; letter-spacing:-.005em; }
.content-section p{ color:var(--ink-dim); margin-bottom:14px; }
.content-section code{ background:var(--surface-2); border:1px solid var(--border); padding:2px 8px; border-radius:2px; font-size:.9em; font-family:var(--font-mono); }
.tip-list{ display:flex; flex-direction:column; gap:10px; }
.tip-list li{ color:var(--ink-dim); padding-inline-start:26px; position:relative; }
.tip-list li::before{ content:'>'; font-family:var(--font-mono); position:absolute; inset-inline-start:0; color:var(--accent); font-weight:800; }

.scale-table{ margin:8px 0 20px; border:2px solid var(--border-strong); border-radius:var(--radius); overflow:hidden; }
.scale-table th, .scale-table td{ padding:12px 16px; text-align:start; border-bottom:1px solid var(--border); font-family:var(--font-mono); font-size:.9rem; }
.scale-table th{ background:var(--surface-2); font-size:.78rem; text-transform:uppercase; letter-spacing:.03em; }
.scale-table tr:last-child td{ border-bottom:none; }

.mini-faq details, .faq-item{
  background:var(--surface); border:2px solid var(--border); border-radius:var(--radius);
  padding:16px 18px; margin-bottom:10px;
}
.mini-faq summary, .faq-item summary{ font-weight:800; cursor:pointer; }
.mini-faq p, .faq-item p{ margin-top:10px; color:var(--ink-dim); }
.faq-list{ max-width:760px; }

/* ===================== SHARE ===================== */
.share-buttons{ display:flex; gap:10px; margin-top:20px; flex-wrap:wrap; }
.share-btn{
  display:inline-flex; align-items:center; gap:8px; padding:9px 16px; border-radius:var(--radius-sm);
  font-size:.82rem; font-weight:800; border:2px solid var(--border-strong); transition:all .2s var(--ease); text-transform:uppercase;
}
.share-wa:hover{ background:#25D366; color:#000; border-color:#000; }
.share-fb:hover{ background:#1877F2; color:#fff; border-color:#000; }

/* ===================== HOME ===================== */
.tools-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; max-width:1120px; position:relative; z-index:2; }
.tool-card{
  background:var(--surface); border:2px solid var(--border-strong); border-radius:var(--radius);
  padding:26px; transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.tool-card:hover{ transform:translate(-4px,-4px); box-shadow:var(--shadow-hard-accent); border-color:var(--accent); }
.tool-icon{ width:44px; height:44px; border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; color:var(--on-accent); background:var(--accent); margin-bottom:16px; }
.tool-icon svg{ width:24px; height:24px; }
.tool-card h3{ font-size:1.05rem; margin-bottom:8px; text-transform:uppercase; letter-spacing:.01em; }
.tool-card p{ color:var(--ink-dim); font-size:.9rem; }

.why-grid-home{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; max-width:1120px; position:relative; z-index:2; }
@media(max-width:640px){ .why-grid-home{ grid-template-columns:1fr; } }
.why-card{
  background:var(--surface); border:2px solid var(--border-strong); border-radius:var(--radius);
  padding:26px; transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.why-card:hover{ transform:translate(-4px,-4px); box-shadow:var(--shadow-hard-accent); border-color:var(--accent); }
.why-icon{ width:44px; height:44px; border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; color:var(--on-accent); background:var(--accent); margin-bottom:16px; }
.why-icon svg{ width:24px; height:24px; }
.why-card h3{ margin:0 0 8px; font-size:1.05rem; letter-spacing:.01em; }
.why-card p{ color:var(--ink-dim); font-size:.9rem; }

.steps-row{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:24px; max-width:1120px; position:relative; z-index:2; }
.step-card{ position:relative; padding-inline-start:14px; border-inline-start:3px solid var(--accent); }
.step-num{ font-family:var(--font-mono); font-size:2.2rem; font-weight:800; color:var(--accent); display:block; margin-bottom:10px; }
.step-card h3{ font-size:1.02rem; margin-bottom:8px; text-transform:uppercase; }
.step-card p{ color:var(--ink-dim); font-size:.9rem; }

.home-links{ display:flex; gap:16px; flex-wrap:wrap; padding:20px 0 60px; max-width:1120px; position:relative; z-index:2; }
.link-card{
  flex:1; min-width:240px; background:var(--surface); border:2px solid var(--border-strong); border-radius:var(--radius);
  padding:20px 22px; font-weight:800; color:var(--accent); text-align:center;
  transition:all .2s var(--ease); text-transform:uppercase; letter-spacing:.02em;
}
.link-card:hover{ transform:translate(-3px,-3px); box-shadow:var(--shadow-hard); }

/* ===================== ARTICLES ===================== */
.articles-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; max-width:1120px; position:relative; z-index:2; }
@media(max-width:640px){ .articles-grid{ grid-template-columns:1fr; } }
.article-card{
  background:var(--surface); border:2px solid var(--border-strong); border-radius:var(--radius);
  padding:22px; transition:transform .25s var(--ease), box-shadow .25s var(--ease); display:block;
}
.article-card:hover{ transform:translate(-4px,-4px); box-shadow:var(--shadow-hard-accent); }
.article-card h3{ font-size:1.02rem; margin-bottom:8px; }
.article-card p{ color:var(--ink-dim); font-size:.9rem; margin-bottom:10px; }
.article-meta{ color:var(--ink-faint); font-size:.78rem; font-weight:700; font-family:var(--font-mono); }

.article-page{ max-width:760px; padding:30px 0 20px; position:relative; z-index:2; }
.article-page h1{ font-size:clamp(1.7rem,3.2vw,2.3rem); margin-bottom:8px; text-transform:uppercase; }
.article-body h2{ font-size:1.22rem; font-weight:900; margin:26px 0 12px; text-transform:uppercase; }
.article-body p{ color:var(--ink-dim); margin-bottom:14px; }
.article-body a{ color:var(--accent); font-weight:700; }

/* ===================== FOOTER ===================== */
.site-footer{ padding:64px 0 0; border-top:1px solid var(--border); margin-top:60px; position:relative; z-index:2; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:44px; }
.footer-col--brand{ padding-inline-end:20px; }
.footer-brand{ display:flex; align-items:center; gap:9px; font-weight:900; margin-bottom:16px; font-size:1.05rem; }
.footer-tagline{ color:var(--ink-dim); font-size:.9rem; max-width:340px; line-height:1.8; }
.footer-col-title{ font-size:.78rem; font-weight:800; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:18px; }
.footer-col-links{ display:flex; flex-direction:column; gap:12px; }
.footer-col-links a{ font-size:.9rem; color:var(--ink-dim); transition:color .2s; }
.footer-col-links a:hover{ color:var(--accent); }
.footer-bottom{ border-top:1px solid var(--border); padding:22px 0; }
.footer-copy{ color:var(--ink-faint); font-size:.78rem; font-family:var(--font-mono); }

@media(max-width:760px){
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px 24px; }
  .footer-col--brand{ grid-column:1 / -1; padding-inline-end:0; }
}
@media(max-width:480px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ===================== RESPONSIVE ===================== */
@media(min-width:640px){
  .calc-layout{ grid-template-columns:1fr 1fr; align-items:start; }
}
@media(max-width:760px){
  .main-nav{
    position:fixed; top:64px; inset-inline:12px; flex-direction:column; align-items:stretch;
    background:var(--surface); border:2px solid var(--border-strong); border-radius:var(--radius);
    padding:10px; opacity:0; pointer-events:none; transform:translateY(-8px); transition:all .25s var(--ease);
    box-shadow:var(--shadow-hard); gap:0; z-index:90;
  }
  .main-nav.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-link{ padding:12px; border-bottom:1px solid var(--border); border-radius:0; }
  .nav-item-dropdown{ border-bottom:1px solid var(--border); }
  .nav-dropdown-toggle{ padding:12px; border-radius:0; }
  .nav-dropdown-menu{
    position:static; opacity:1; visibility:visible; transform:none; box-shadow:none;
    border:none; background:none; margin:0 0 6px; padding-inline-start:14px;
  }
  .nav-link:last-child, .nav-item-dropdown:last-child{ border-bottom:none; }
  .nav-toggle{ display:flex; }
  .field-grid{ grid-template-columns:1fr; }
  .home-hero{ padding:50px 0 20px; }
  .diagonal-stripe, .pulse-strip{ display:none; }
  .stat{ padding:0 18px; }
}