/* ===================================================================
   Dr. Abbas Bahmani — main stylesheet
   Fonts are self-hosted (no external requests)
=================================================================== */

/* ---------- Vazirmatn (Persian) ---------- */
@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/vazirmatn/Vazirmatn-400.woff2') format('woff2')}
@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/vazirmatn/Vazirmatn-500.woff2') format('woff2')}
@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/vazirmatn/Vazirmatn-700.woff2') format('woff2')}
@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/vazirmatn/Vazirmatn-800.woff2') format('woff2')}

/* ---------- Material Icons (Outlined) ---------- */
@font-face{font-family:'Material Icons Outlined';font-style:normal;font-weight:400;font-display:block;src:url('../fonts/material/MaterialIconsOutlined.woff2') format('woff2')}
.mi{
  font-family:'Material Icons Outlined';font-weight:normal;font-style:normal;
  line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;
  white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-smoothing:antialiased;
  font-feature-settings:'liga';font-size:1.4em;vertical-align:middle;
}

:root{
  --navy:#0f2540;        /* navy */
  --navy-2:#15315a;
  --carbon:#1d4e89;      /* carbon blue */
  --green:#13433a;       /* dark green */
  --green-2:#1d6b5c;
  --accent:#2f9e8f;
  --ink:#13202e;
  --muted:#5b6b7c;
  --bg:#f6f8fb;
  --card:#ffffff;
  --line:#e3e9f1;
  --radius:18px;
  --shadow:0 10px 30px -12px rgba(15,37,64,.18);
  --shadow-sm:0 4px 16px -8px rgba(15,37,64,.22);
  --header-h:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:'Vazirmatn',system-ui,Tahoma,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1140px,100% - 40px);margin-inline:auto}
section{padding:clamp(56px,9vw,88px) 0}
h2.section-title{font-size:clamp(1.5rem,5vw,2.3rem);font-weight:800;color:var(--navy);margin-bottom:8px;letter-spacing:-.01em;line-height:1.3}
.section-sub{color:var(--muted);font-size:clamp(.95rem,2.4vw,1.05rem);margin-bottom:clamp(28px,5vw,42px);max-width:640px}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;color:var(--accent);background:rgba(47,158,143,.1);padding:5px 14px;border-radius:30px;margin-bottom:16px}

/* ===== Header ===== */
header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  background:rgba(246,248,251,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-block-end:1px solid transparent;transition:background .3s,box-shadow .3s,border-color .3s;
}
header.scrolled{background:rgba(255,255,255,.92);border-block-end-color:var(--line);box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--header-h)}
.brand{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand b{font-size:clamp(1rem,3.6vw,1.15rem);color:var(--navy);font-weight:800;white-space:nowrap}
.brand span{font-size:.72rem;color:var(--muted);white-space:nowrap}
.menu{display:flex;gap:4px;list-style:none}
.menu a{display:block;padding:9px 13px;border-radius:10px;font-size:.94rem;color:var(--ink);font-weight:500;transition:background .2s,color .2s}
.menu a:hover{background:rgba(29,78,137,.08);color:var(--carbon)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:12px;font-weight:600;font-size:.88rem;transition:background .25s,transform .25s;white-space:nowrap}
.nav-cta:hover{background:var(--carbon);transform:translateY(-2px)}
.nav-cta .mi{font-size:1.15em}
.burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;background:none;border:0;cursor:pointer;color:var(--navy);border-radius:10px}
.burger .mi{font-size:1.8em}
.burger:hover{background:rgba(29,78,137,.08)}
.mobile-menu{display:none}

/* ===== Hero ===== */
.hero{padding:calc(var(--header-h) + clamp(40px,9vw,82px)) 0 clamp(56px,9vw,90px);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset-block-start:-200px;inset-inline-start:-160px;width:560px;height:560px;background:radial-gradient(circle,rgba(29,78,137,.14),transparent 65%);border-radius:50%;pointer-events:none}
.hero::after{content:"";position:absolute;inset-block-end:-220px;inset-inline-end:-160px;width:560px;height:560px;background:radial-gradient(circle,rgba(19,67,58,.16),transparent 65%);border-radius:50%;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,56px);align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(1.9rem,7vw,3.4rem);font-weight:800;color:var(--navy);line-height:1.25;letter-spacing:-.02em}
.hero h1 .role{display:block;font-size:clamp(1.05rem,3.6vw,1.5rem);color:var(--carbon);margin-top:8px;font-weight:700}
.hero .lead{font-size:clamp(1rem,2.6vw,1.12rem);color:var(--ink);margin:22px 0 14px;font-weight:500}
.hero .desc{color:var(--muted);font-size:clamp(.95rem,2.4vw,1.02rem);max-width:560px}
.hero-btns{display:flex;gap:14px;margin-top:clamp(26px,4vw,34px);flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:14px;font-weight:700;font-size:1rem;font-family:inherit;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;cursor:pointer;border:0}
.btn .mi{font-size:1.25em}
.btn-primary{background:linear-gradient(135deg,var(--navy),var(--carbon));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px -14px rgba(29,78,137,.6)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--carbon);color:var(--carbon);transform:translateY(-3px)}

/* Hero visual */
.hero-visual{position:relative;width:100%;max-width:400px;margin-inline:auto;display:flex;flex-direction:column;align-items:center}
.portrait-frame{position:relative;width:100%;aspect-ratio:1}
.portrait{
  position:absolute;inset:0;border-radius:32px;overflow:hidden;
  box-shadow:var(--shadow);background:linear-gradient(160deg,var(--navy),var(--green));z-index:1;
  animation:floaty 7s ease-in-out infinite;
}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:center top}
.portrait::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,37,64,.3),transparent 50%);z-index:1}
/* decorative rotating gradient ring behind the portrait */
.portrait-ring{position:absolute;inset:-14px;border-radius:40px;z-index:0;
  background:conic-gradient(from 0deg,var(--carbon),var(--accent),var(--green-2),var(--carbon));
  filter:blur(16px);opacity:.5;animation:spin 16s linear infinite}

.hero-badges{display:contents}
.badge-float{position:absolute;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.6);border-radius:14px;padding:10px 13px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:9px;font-weight:700;font-size:.8rem;z-index:3;color:var(--navy)}
.badge-float .dot{width:32px;height:32px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;color:#fff}
.badge-float .dot .mi{font-size:1.2em}
.bf1{inset-block-start:8px;inset-inline-start:-10px;animation:floaty 6s ease-in-out infinite}
.bf1 .dot{background:var(--carbon)}
.bf2{inset-block-end:10px;inset-inline-end:-8px;animation:floaty 6s ease-in-out infinite .8s}
.bf2 .dot{background:var(--green-2)}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,46px);align-items:center}
.about-text p{margin-bottom:18px;color:var(--ink);font-size:clamp(.98rem,2.4vw,1.05rem)}
.about-text p:last-child{color:var(--muted)}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 16px;text-align:center;box-shadow:var(--shadow-sm)}
.stat-box b{display:block;font-size:clamp(1.5rem,5vw,1.9rem);color:var(--carbon);font-weight:800}
.stat-box span{color:var(--muted);font-size:.88rem}

/* ===== Resume cards ===== */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.res-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;gap:15px;align-items:flex-start;transition:transform .28s,box-shadow .28s,border-color .28s;box-shadow:var(--shadow-sm)}
.res-card:hover{transform:translateY(-5px);border-color:rgba(29,78,137,.35);box-shadow:var(--shadow)}
.res-ic{flex-shrink:0;width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,var(--navy),var(--carbon));display:grid;place-items:center;color:#fff}
.res-ic .mi{font-size:1.5em}
.res-card:nth-child(3n) .res-ic{background:linear-gradient(135deg,var(--green),var(--green-2))}
.res-card h3{font-size:1.02rem;color:var(--navy);font-weight:700;margin-bottom:3px}
.res-card p{font-size:.9rem;color:var(--muted)}

/* ===== Experience timeline ===== */
.timeline{position:relative;padding-inline-start:28px;max-width:780px}
.timeline::before{content:"";position:absolute;inset-inline-start:6px;inset-block:8px;width:2px;background:linear-gradient(var(--carbon),var(--green))}
.tl-item{position:relative;padding:14px 20px;margin-bottom:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);transition:transform .25s,border-color .25s}
.tl-item:hover{transform:translateX(-6px);border-color:rgba(29,78,137,.3)}
.tl-item::before{content:"";position:absolute;inset-inline-start:-26px;inset-block-start:21px;width:12px;height:12px;border-radius:50%;background:var(--carbon);border:3px solid var(--bg)}
.tl-item span{font-weight:600;color:var(--ink);font-size:clamp(.92rem,2.4vw,1rem)}

/* ===== Method (3 cards) ===== */
.method-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px}
.method-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,4vw,34px) 26px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.method-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.method-card .mc-ic{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;background:rgba(29,78,137,.1);color:var(--carbon)}
.method-card .mc-ic .mi{font-size:2em}
.method-card:nth-child(2) .mc-ic{background:rgba(19,67,58,.12);color:var(--green-2)}
.method-card:nth-child(3) .mc-ic{background:rgba(47,158,143,.14);color:var(--accent)}
.method-card h3{color:var(--navy);font-size:1.18rem;font-weight:700;margin-bottom:10px}
.method-card p{color:var(--muted);font-size:.95rem}

/* ===== Services ===== */
.services-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:12px}
.svc-item{display:flex;align-items:center;gap:13px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .22s,border-color .22s;box-shadow:var(--shadow-sm)}
.svc-item:hover{border-color:rgba(47,158,143,.5);transform:translateY(-3px)}
.svc-check{flex-shrink:0;width:32px;height:32px;border-radius:9px;background:var(--green-2);display:grid;place-items:center;color:#fff}
.svc-check .mi{font-size:1.25em}
.svc-item span:last-child{font-weight:500;font-size:.96rem}

/* ===== Highlights (dark band) ===== */
.highlights{background:linear-gradient(135deg,var(--navy),var(--green));color:#fff}
.highlights .section-title{color:#fff}
.hl-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:clamp(26px,4vw,34px)}
.hl-box{text-align:center;padding:clamp(20px,3vw,26px) 10px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);transition:background .3s,transform .3s}
.hl-box:hover{background:rgba(255,255,255,.13);transform:translateY(-5px)}
.hl-box b{display:block;font-size:clamp(1.3rem,4vw,2rem);font-weight:800;color:#fff;margin-bottom:6px;line-height:1.2}
.hl-box span{font-size:.82rem;color:rgba(255,255,255,.8);line-height:1.5}

/* ===== Collaborations ===== */
.collab-note{color:var(--muted);font-size:.92rem;margin-bottom:26px}
.collab-grid{display:flex;flex-wrap:wrap;gap:12px}
.collab-chip{background:var(--card);border:1px solid var(--line);border-radius:30px;padding:11px 22px;font-weight:600;color:var(--navy);font-size:clamp(.88rem,2.3vw,.95rem);transition:background .25s,color .25s,transform .25s;box-shadow:var(--shadow-sm)}
.collab-chip:hover{background:var(--navy);color:#fff;transform:translateY(-3px)}

/* ===== Quote ===== */
.quote-band{background:var(--navy);color:#fff;text-align:center;position:relative;overflow:hidden}
.quote-band .qmark{position:absolute;font-size:14rem;color:rgba(255,255,255,.06);inset-block-start:-40px;inset-inline-start:20px;font-family:Georgia,serif;line-height:1;pointer-events:none}
.quote-band q{font-size:clamp(1.2rem,4vw,1.9rem);font-weight:700;line-height:1.7;display:block;max-width:820px;margin-inline:auto;position:relative;z-index:1;quotes:none}
.quote-band q::before,.quote-band q::after{content:""}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin-inline:auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-q{width:100%;text-align:start;background:none;border:0;padding:18px 22px;font-family:inherit;font-size:clamp(.98rem,2.5vw,1.04rem);font-weight:700;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-q .chev{flex-shrink:0;transition:transform .3s;color:var(--carbon)}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);padding:0 22px}
.faq-item.open .faq-a{max-height:260px;padding-block-end:18px}
.faq-a p{font-size:clamp(.92rem,2.4vw,1rem)}

/* ===== Contact ===== */
.contact-card{background:linear-gradient(135deg,var(--navy),var(--carbon));color:#fff;border-radius:28px;padding:clamp(34px,6vw,56px) clamp(22px,5vw,48px);text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.contact-card::after{content:"";position:absolute;inset-block-end:-120px;inset-inline-start:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(47,158,143,.3),transparent 65%);border-radius:50%;pointer-events:none}
.contact-card h2{color:#fff;font-size:clamp(1.5rem,5vw,2.2rem);margin-bottom:14px;position:relative}
.contact-card .intro{color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 32px;position:relative;font-size:clamp(.95rem,2.4vw,1.05rem)}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;position:relative;max-width:760px;margin:0 auto}
.contact-item{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:16px 18px;text-align:start;transition:background .25s,transform .25s}
.contact-item:hover{background:rgba(255,255,255,.18);transform:translateY(-3px)}
.contact-item .ci-ic{flex-shrink:0;width:46px;height:46px;border-radius:13px;background:rgba(255,255,255,.16);display:grid;place-items:center;color:#fff}
.contact-item .ci-ic .mi{font-size:1.5em}
.contact-item .ci-tx{min-width:0;line-height:1.5}
.contact-item .ci-tx b{display:block;font-size:.98rem;color:#fff}
.contact-item .ci-tx small{display:block;color:rgba(255,255,255,.7);font-size:.78rem}
.contact-item .ci-tx .val{display:block;direction:ltr;text-align:start;color:var(--accent);font-weight:700;font-size:.82rem;letter-spacing:-.2px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;filter:brightness(1.4)}

/* ===== Footer ===== */
footer{background:#0b1b30;color:rgba(255,255,255,.75);padding:clamp(40px,7vw,54px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:clamp(28px,4vw,34px);margin-bottom:32px}
.footer-grid h4{color:#fff;font-size:1.05rem;margin-bottom:16px;font-weight:700}
.footer-brand b{color:#fff;font-size:1.25rem;display:block;margin-bottom:6px}
.footer-brand p{font-size:.92rem;max-width:340px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:.95rem;transition:color .2s,padding .2s}
.footer-links a:hover{color:#fff;padding-inline-start:5px}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:.92rem}
.footer-contact .mi{font-size:1.25em;color:var(--accent);filter:brightness(1.3)}
.footer-contact a{direction:ltr;white-space:nowrap}
.footer-contact a:hover{color:#fff}
.footer-bottom{border-block-start:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;align-items:center;font-size:.85rem;color:rgba(255,255,255,.55)}
.footer-bottom .credit a{color:var(--accent);font-weight:700;filter:brightness(1.3);transition:filter .2s}
.footer-bottom .credit a:hover{filter:brightness(1.6)}

/* ===================================================================
   Animations & flourishes
=================================================================== */
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes blob{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(24px,-22px) scale(1.12)}}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

/* scroll progress bar */
.scroll-progress{position:fixed;inset-block-start:0;inset-inline:0;height:3px;z-index:200;
  background:linear-gradient(90deg,var(--carbon),var(--accent),var(--green-2));
  transform:scaleX(0);transform-origin:right;will-change:transform}

/* drifting hero glow blobs */
.hero::before{animation:blob 18s ease-in-out infinite}
.hero::after{animation:blob 22s ease-in-out infinite reverse}

/* animated gradient for the dark bands */
.highlights,.quote-band{background-size:200% 200%;animation:gradientShift 16s ease infinite}

/* icon micro-interactions */
.res-ic,.mc-ic,.svc-check,.ci-ic{transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.res-card:hover .res-ic{transform:scale(1.1) rotate(-6deg)}
.method-card:hover .mc-ic{transform:scale(1.12) translateY(-3px)}
.svc-item:hover .svc-check{transform:scale(1.12) rotate(8deg)}
.contact-item:hover .ci-ic{transform:scale(1.1) rotate(-6deg)}

/* animated underline accent on section titles */
.section-title::after{content:"";display:block;width:46px;height:4px;margin-top:14px;border-radius:4px;
  background:linear-gradient(90deg,var(--carbon),var(--accent));transform:scaleX(0);transform-origin:right;
  transition:transform .6s ease .15s}
.reveal.in .section-title::after,.section-title.in::after{transform:scaleX(1)}
.highlights .section-title::after{background:linear-gradient(90deg,#fff,var(--accent))}

/* sheen sweep on primary button */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;inset-block:0;inset-inline-start:-60%;width:40%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);
  transition:inset-inline-start .6s ease}
.btn-primary:hover::after{inset-inline-start:120%}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.r-right{transform:translateX(40px)}
.reveal.r-left{transform:translateX(-40px)}
.reveal.r-zoom{transform:scale(.9)}
.reveal.in.r-right,.reveal.in.r-left,.reveal.in.r-zoom{transform:none}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation:none!important}
  .reveal{opacity:1!important;transform:none!important;transition:none}
  .section-title::after{transform:scaleX(1)!important}
}

/* ===================================================================
   Responsive
=================================================================== */
@media(max-width:980px){
  /* columns stack here, so use vertical reveal only (avoids horizontal overflow) */
  .reveal.r-right,.reveal.r-left{transform:translateY(26px)}
  .reveal.in.r-right,.reveal.in.r-left{transform:none}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-visual{order:-1;max-width:300px}
  .hero-text{text-align:center}
  .hero .desc,.hero .lead{margin-inline:auto}
  .hero-btns{justify-content:center}
  .method-cards{grid-template-columns:1fr 1fr}
  .hl-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media(max-width:760px){
  .menu,.nav-cta{display:none}
  .burger{display:flex}
  /* badges move out of the portrait so they never cover the face */
  .hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}
  .badge-float{position:static;inset:auto;animation:none;background:#fff;font-size:.82rem}
  .portrait{animation:none}
  .portrait-ring{inset:-8px}
  /* mobile slide-down menu */
  .mobile-menu{display:block;position:fixed;inset-block-start:var(--header-h);inset-inline:0;background:#fff;border-block-start:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .35s ease;z-index:99;padding:10px}
  .mobile-menu.open{transform:translateY(0)}
  .mobile-menu ul{list-style:none;display:flex;flex-direction:column}
  .mobile-menu a{display:block;padding:14px 16px;border-radius:12px;font-weight:600;color:var(--navy);font-size:1rem}
  .mobile-menu a:active{background:rgba(29,78,137,.08)}
  .mobile-menu .mm-cta{margin-top:6px;background:var(--navy);color:#fff;text-align:center}
}
@media(max-width:560px){
  .method-cards{grid-template-columns:1fr}
  .hl-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .about-stats{grid-template-columns:1fr 1fr}
  .hero-btns{flex-direction:column}
  .hero-btns .btn{width:100%}
  .contact-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(max-width:360px){
  .about-stats,.hl-grid{grid-template-columns:1fr}
  .brand b{font-size:.98rem}
}

/* accessibility: clear focus state */
a:focus-visible,button:focus-visible{outline:2.5px solid var(--carbon);outline-offset:3px;border-radius:8px}