/* =========================================================
   মোঃ ইসমাইল হোসেন — Personal portfolio
   Palette: warm ivory · midnight navy · muted brass
   ========================================================= */

/* ---------- Fonts (Hind Siliguri, SIL OFL 1.1 — see fonts/OFL-HindSiliguri.txt) ---------- */
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/hind-siliguri-bengali-400-normal.woff2) format("woff2");unicode-range:U+0951-0952,U+0964-0965,U+0980-09FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/hind-siliguri-bengali-500-normal.woff2) format("woff2");unicode-range:U+0951-0952,U+0964-0965,U+0980-09FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/hind-siliguri-bengali-600-normal.woff2) format("woff2");unicode-range:U+0951-0952,U+0964-0965,U+0980-09FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/hind-siliguri-bengali-700-normal.woff2) format("woff2");unicode-range:U+0951-0952,U+0964-0965,U+0980-09FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/hind-siliguri-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/hind-siliguri-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/hind-siliguri-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Hind Siliguri";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/hind-siliguri-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ---------- Tokens ---------- */
:root{
  --canvas:#F7F5F0;      /* warm ivory */
  --surface:#FFFFFF;
  --ink:#152839;         /* midnight navy text */
  --ink-2:#536171;       /* secondary text */
  --navy:#142B3B;        /* dark sections */
  --navy-2:#1B3649;
  --brass:#9A7546;       /* rules & accents (decorative) */
  --brass-text:#7A5A30;  /* brass for small text on light bg (AA) */
  --brass-light:#D6B887; /* brass for text on navy */
  --line:#DDDCD5;
  --line-dark:rgba(255,255,255,.14);

  --font:"Hind Siliguri","Noto Sans Bengali","Nirmala UI","Vrinda","Bangla Sangam MN",system-ui,sans-serif;

  --wrap:1160px;
  --gutter:40px;
  --header-h:76px;
  --section-y:clamp(56px, 4rem + 3vw, 108px);

  --r-btn:8px;
  --r-img:16px;
  --r-card:12px;
}
@media (max-width:899px){ :root{ --gutter:20px; --header-h:64px; } }
@media (max-width:360px){ :root{ --gutter:18px; } }

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;background:var(--canvas);color:var(--ink);
  font-family:var(--font);font-size:clamp(1.0625rem, 1rem + .2vw, 1.125rem);
  line-height:1.8;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px;border-radius:4px}
.contact :focus-visible,.feature :focus-visible{outline-color:var(--brass-light)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
[id]{scroll-margin-top:calc(var(--header-h) + 12px)}
main:focus{outline:none}

.skip-link{
  position:absolute;left:12px;top:-100px;z-index:100;
  background:var(--navy);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
  text-decoration:none;font-weight:600;
}
.skip-link:focus{top:12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:48px;padding:.6em 1.35em;border-radius:var(--r-btn);
  font:600 1rem/1.3 var(--font);text-decoration:none;border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:#0C1E2B}
.btn-quiet{border-color:#B9B5A8;color:var(--ink)}
.btn-quiet:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#F1ECE2}
.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{border-color:#fff}
.ext{font-size:.9em}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
@supports (backdrop-filter:blur(8px)){ .site-header{background:rgba(247,245,240,.86);backdrop-filter:blur(8px)} }
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-h)}
.wordmark{
  font-weight:700;font-size:1.25rem;line-height:1.3;text-decoration:none;color:var(--ink);
  padding-block:8px;display:inline-flex;align-items:center;gap:10px;
}
.wordmark::before{content:"";width:22px;height:2px;background:var(--brass);display:inline-block}

.site-nav ul{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.site-nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  text-decoration:none;color:var(--ink-2);font-weight:500;font-size:1rem;border-radius:var(--r-btn);
  transition:color .2s ease,background-color .2s ease;
}
.site-nav a:hover{color:var(--ink)}
.site-nav .nav-contact a{background:var(--navy);color:#fff;margin-left:8px;padding:0 18px}
.site-nav .nav-contact a:hover{background:#0C1E2B}

.menu-toggle{
  display:none;align-items:center;gap:10px;min-height:44px;min-width:44px;padding:0 14px;
  border:1.5px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:var(--r-btn);font:600 1rem/1 var(--font);cursor:pointer;
}
.menu-toggle[hidden]{display:none!important}
.menu-icon{position:relative;width:18px;height:12px;display:inline-block}
.menu-icon span{position:absolute;left:0;width:100%;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease,top .2s ease}
.menu-icon span:first-child{top:2px}
.menu-icon span:last-child{top:8px}
.menu-toggle[aria-expanded="true"] .menu-icon span:first-child{top:5px;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-icon span:last-child{top:5px;transform:rotate(-45deg)}

@media (max-width:760px){
  /* Without JS: links simply wrap under the wordmark */
  .header-inner{flex-wrap:wrap;padding-block:6px}
  .site-nav{width:100%}
  .site-nav ul{gap:0 2px}
  .site-nav a{padding:0 10px}
  .site-nav .nav-contact a{margin-left:0}

  /* With JS: collapsible menu */
  .nav-ready .header-inner{flex-wrap:nowrap;padding-block:0}
  .nav-ready .menu-toggle{display:inline-flex}
  .nav-ready .site-nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--canvas);border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -18px rgba(21,40,57,.25);
    display:none;
  }
  .nav-ready .site-nav.is-open{display:block}
  .nav-ready .site-nav ul{flex-direction:column;align-items:stretch;padding:8px var(--gutter) 20px}
  .nav-ready .site-nav li + li{border-top:1px solid var(--line)}
  .nav-ready .site-nav a{min-height:52px;padding:0 4px;font-size:1.0625rem;color:var(--ink);border-radius:0}
  .nav-ready .site-nav .nav-contact{border-top:0;padding-top:12px}
  .nav-ready .site-nav .nav-contact a{display:flex;justify-content:center;border-radius:var(--r-btn);color:#fff;background:var(--navy);padding:0 18px}
}

/* ---------- Section scaffolding ---------- */
.section{padding-block:var(--section-y)}
.section-label{
  display:flex;align-items:center;gap:12px;
  font-size:.875rem;font-weight:600;line-height:1.5;color:var(--brass-text);margin-bottom:14px;
}
.section-label::before{content:"";width:28px;height:1.5px;background:var(--brass);flex:none}
.section-label.on-dark{color:var(--brass-light)}
.section-label.on-dark::before{background:var(--brass-light)}
h2{
  font-size:clamp(1.75rem, 1.35rem + 1.6vw, 2.625rem);
  line-height:1.3;font-weight:700;letter-spacing:-.005em;text-wrap:balance;
}
.section-head{max-width:640px;margin-bottom:clamp(32px, 2rem + 1vw, 48px)}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(28px, 1rem + 3vw, 64px);padding-bottom:clamp(40px, 2rem + 2vw, 72px)}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,56fr) minmax(0,44fr);
  gap:clamp(32px, 4vw, 72px);align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.9375rem;font-weight:500;color:var(--ink-2);margin-bottom:18px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brass);flex:none}
h1{
  font-size:clamp(2.375rem, 1.55rem + 3.6vw, 4.375rem);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  text-wrap:balance;
}
.role-line{
  margin-top:12px;font-size:clamp(1.25rem, 1.1rem + .6vw, 1.625rem);
  font-weight:500;color:var(--brass-text);line-height:1.5;
}
.hero-intro{margin-top:20px;max-width:34em;color:var(--ink-2);font-size:clamp(1.0625rem, 1rem + .3vw, 1.1875rem)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.hero-portrait{margin:0;position:relative;justify-self:end;width:100%;max-width:440px}
.hero-portrait::before{
  content:"";position:absolute;inset:18px -18px -18px 18px;
  border:1.5px solid var(--brass);border-radius:var(--r-img);opacity:.55;z-index:0;
}
.hero-portrait img{
  position:relative;z-index:1;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 0;
  border-radius:var(--r-img);background:#C9C9C7;
  box-shadow:0 30px 60px -30px rgba(21,40,57,.35);
}

.focus-strip{
  display:flex;flex-wrap:wrap;align-items:center;
  margin-top:clamp(36px, 1.5rem + 3vw, 80px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding-block:18px;gap:6px 0;
}
.focus-strip li{
  display:inline-flex;align-items:center;
  font-weight:600;font-size:1.0625rem;line-height:1.5;
}
.focus-strip li + li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brass);
  margin-inline:clamp(14px, 3vw, 40px);flex:none;
}

@media (max-width:899px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-portrait{justify-self:start;max-width:520px;margin-right:18px}
  .hero-portrait img{aspect-ratio:6/5;max-height:340px}
  .hero-portrait::before{inset:12px -12px -12px 12px}
}
@media (max-width:360px){ .hero-portrait{margin-right:14px} .hero-portrait::before{inset:10px -10px -10px 10px} }
@media (max-width:640px){
  .hero-actions .btn{flex:1 1 auto}
  .focus-strip{padding-block:14px}
  .focus-strip li{font-size:1rem}
  .focus-strip li + li::before{margin-inline:12px}
}

/* ---------- About ---------- */
.about{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px, 5vw, 96px);align-items:start}
.about-body{display:grid;gap:18px;color:var(--ink-2);max-width:36em}
.about-body .lead{font-size:clamp(1.1875rem, 1.05rem + .5vw, 1.375rem);line-height:1.7;color:var(--ink);font-weight:500}
@media (max-width:899px){ .about-grid{grid-template-columns:1fr;gap:20px} }

/* ---------- Initiatives ---------- */
.feature{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  background:var(--navy);color:#fff;border-radius:var(--r-img);overflow:hidden;
}
.feature-main{padding:clamp(28px, 1.5rem + 2.5vw, 56px)}
.feature-kicker{font-size:.875rem;font-weight:600;color:var(--brass-light);margin-bottom:10px}
.feature h3{font-size:clamp(1.625rem, 1.3rem + 1.4vw, 2.375rem);line-height:1.25;font-weight:700}
.feature h3 .abbr{color:var(--brass-light)}
.feature-text{margin-top:16px;color:#D3DCE3;max-width:34em}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.feature-facts{
  margin:0;padding:clamp(24px, 1rem + 2vw, 48px);
  background:var(--navy-2);border-left:1px solid var(--line-dark);
  display:grid;align-content:center;gap:0;
}
.feature-facts div{padding:14px 0;border-bottom:1px solid var(--line-dark)}
.feature-facts div:last-child{border-bottom:0}
.feature-facts dt{font-size:.875rem;color:var(--brass-light);font-weight:500;line-height:1.5}
.feature-facts dd{margin:2px 0 0;font-size:1.125rem;font-weight:600;line-height:1.5}
.feature-facts a{
  display:inline-flex;align-items:center;min-height:44px;
  text-decoration:underline;text-decoration-color:rgba(214,184,135,.6);text-underline-offset:5px;
}
.feature-facts .fact-wide dd{margin-top:0}
.feature-facts a:hover{text-decoration-color:var(--brass-light)}

/* Other initiatives: grouped editorial rows */
.venture-group{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:12px clamp(28px, 5vw, 96px);
  margin-top:clamp(44px, 2rem + 3vw, 72px);
}
.venture-group + .venture-group{margin-top:clamp(36px, 1.5rem + 2vw, 56px)}
.group-title{
  font-size:clamp(1.25rem, 1.1rem + .6vw, 1.5rem);font-weight:700;line-height:1.4;
  padding-top:22px;border-top:2px solid var(--brass);align-self:start;
}
.venture-list{border-top:1px solid var(--ink)}
.venture{padding:22px 0 18px;border-bottom:1px solid var(--line)}
.venture-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 20px}
.venture h4{font-size:clamp(1.1875rem, 1.05rem + .5vw, 1.375rem);font-weight:700;line-height:1.45}
.venture-en{display:inline-block;margin-left:6px;font-size:.8125em;font-weight:500;color:var(--ink-2)}
.venture-role{
  font-size:.9375rem;font-weight:600;color:var(--brass-text);white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;
}
.venture-role::before{content:"";width:16px;height:1.5px;background:var(--brass)}
.venture-text{margin-top:6px;color:var(--ink-2);max-width:38em}
.venture-link{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;margin-top:4px;
  font-weight:600;font-size:1rem;color:var(--ink);
  text-decoration:underline;text-decoration-color:var(--brass);text-underline-offset:5px;text-decoration-thickness:1.5px;
}
.venture-link:hover{color:var(--brass-text)}

@media (max-width:899px){
  .feature{grid-template-columns:1fr}
  .feature-facts{border-left:0;border-top:1px solid var(--line-dark)}
  .venture-group{grid-template-columns:1fr}
  .group-title{padding-top:0;border-top:0}
}
@media (max-width:640px){
  .venture-head{flex-direction:column;align-items:flex-start;gap:2px}
  .venture-en{display:block;margin-left:0}
  .feature-actions .btn{flex:1 1 auto}
  .feature-facts{grid-template-columns:1fr 1fr;gap:0 20px;padding:8px clamp(20px, 6vw, 28px)}
  .feature-facts div{padding:12px 0}
  .feature-facts div:nth-child(1),.feature-facts div:nth-child(2){border-bottom:1px solid var(--line-dark)}
  .feature-facts .fact-wide{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0}
}

/* ---------- Professional ---------- */
.professional{background:var(--surface);border-top:1px solid var(--line)}
.professional-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px, 5vw, 96px);align-items:start}
.professional-grid .section-head{margin-bottom:0}
.role{padding:26px 0 20px;border-top:2px solid var(--brass)}
.role + .role{border-top-width:1px;border-top-color:var(--line)}
.role-org{font-size:clamp(1.375rem, 1.15rem + .9vw, 1.875rem);font-weight:700;line-height:1.35}
.role-title{margin-top:8px;font-size:clamp(1.0625rem, 1rem + .3vw, 1.1875rem);font-weight:600;color:var(--brass-text);line-height:1.65}
.role-meta{margin-top:4px;font-size:.9375rem;color:var(--ink-2)}
@media (max-width:899px){ .professional-grid{grid-template-columns:1fr;gap:20px} }

/* ---------- Contact ---------- */
.contact{background:var(--navy);color:#fff;padding-block:var(--section-y)}
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px, 5vw, 96px);align-items:center}
.contact-head p:not(.section-label){margin-top:16px;color:#C9D3DB;max-width:28em}
.contact-card{
  display:grid;grid-template-columns:1fr auto;align-items:end;gap:4px 24px;
  padding:clamp(24px, 1rem + 2vw, 40px) 0;
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
}
.contact-label{grid-column:1;font-size:.9375rem;font-weight:500;color:var(--brass-light);line-height:1.5}
.contact-number{grid-column:1;font-size:clamp(1.875rem, 1.4rem + 2vw, 3rem);font-weight:700;line-height:1.2;letter-spacing:.01em}
.contact-call{grid-column:2;grid-row:1 / span 2;align-self:center;min-width:140px}
@media (max-width:899px){ .contact-grid{grid-template-columns:1fr} }
@media (max-width:480px){
  .contact-card{grid-template-columns:1fr}
  .contact-call{grid-column:1;grid-row:auto;margin-top:16px;width:100%}
}

/* ---------- Footer ---------- */
.site-footer{background:#0F2230;color:#B9C5CF;font-size:.9375rem}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-block:24px}
.footer-name{color:#fff;font-weight:600}
.footer-name span{color:#B9C5CF;font-weight:400}
.to-top{color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:6px;min-height:44px}
.to-top:hover{text-decoration:underline;text-underline-offset:4px}
.site-footer :focus-visible{outline-color:var(--brass-light)}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- Print ---------- */
@media print{
  .site-header,.skip-link,.to-top{display:none}
  .feature,.contact,.site-footer{background:#fff;color:#000}
}