/*
Theme Name: Bikash Halder Portfolio
Theme URI: https://bhalder.iimeee.com
Author: Bikash Halder
Description: A responsive research and professional portfolio website for Bikash Halder.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: halder-portfolio
*/
:root{--ink:#14263d;--muted:#627184;--paper:#f5f7f8;--white:#fff;--teal:#007d78;--teal-dark:#005d5a;--lime:#c7f36b;--line:#dfe6e9;--navy:#10233b;--shadow:0 18px 50px rgba(15,39,62,.09);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.65}a{color:var(--teal-dark);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,230,233,.8)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:850;letter-spacing:-.04em;color:var(--navy);font-size:1.05rem}.brand span{color:var(--teal)}.main-nav ul{display:flex;list-style:none;gap:22px;padding:0;margin:0}.main-nav a{font-size:.88rem;font-weight:650;color:#33465b}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy);font-weight:700}.hero{background:radial-gradient(circle at 82% 17%,rgba(199,243,107,.22),transparent 28%),linear-gradient(132deg,#10233b 0%,#163a54 57%,#075d5a 100%);color:white;padding:90px 0 78px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:54px}.eyebrow{display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.13em;font-size:.75rem;font-weight:800;color:var(--lime)}.eyebrow:before{content:"";height:1px;width:25px;background:currentColor}.hero h1{font-size:clamp(2.5rem,5vw,4.7rem);line-height:1.04;letter-spacing:-.06em;max-width:760px;margin:20px 0}.hero h1 em{color:var(--lime);font-style:normal}.hero p{font-size:1.1rem;color:#d9e4e9;max-width:690px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 17px;border-radius:999px;background:var(--lime);color:#152a3c;font-weight:800;font-size:.92rem;border:1px solid transparent;transition:.2s}.button:hover{transform:translateY(-2px);text-decoration:none}.button.secondary{background:transparent;color:white;border-color:rgba(255,255,255,.45)}.hero-card{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:24px;padding:27px;box-shadow:0 30px 70px rgba(0,0,0,.15)}.monogram{height:66px;width:66px;border-radius:18px;background:var(--lime);color:var(--navy);display:grid;place-items:center;font-weight:900;font-size:1.6rem;letter-spacing:-.08em;margin-bottom:22px}.hero-card strong{font-size:1.14rem}.hero-card p{font-size:.92rem;margin:7px 0 18px}.hero-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hero-stat div{border-top:1px solid rgba(255,255,255,.2);padding-top:12px}.hero-stat b{display:block;color:var(--lime);font-size:1.2rem}.hero-stat span{font-size:.78rem;color:#d1dee5}.section{padding:82px 0}.section.white{background:#fff}.section-head{max-width:740px;margin-bottom:34px}.kicker{color:var(--teal);font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;font-weight:850}.section h2{font-size:clamp(1.8rem,3.2vw,2.75rem);line-height:1.12;letter-spacing:-.045em;margin:9px 0 12px;color:var(--navy)}.section-head p,.body-copy{color:var(--muted);font-size:1.02rem}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.about-note{background:var(--navy);color:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.about-note h3{margin:0 0 10px;font-size:1.2rem}.about-note p{color:#d5e0e6;margin:0}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.tag{padding:7px 10px;border-radius:99px;background:#e8f2f0;color:#155752;font-size:.78rem;font-weight:750}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 30px rgba(15,39,62,.035)}.card.dark{background:#f6faf9}.card .number{font-size:.75rem;font-weight:900;color:var(--teal);letter-spacing:.1em}.card h3{font-size:1.12rem;line-height:1.3;margin:11px 0 9px;color:var(--navy)}.card p{font-size:.91rem;color:var(--muted);margin:0}.status{display:inline-block;margin-top:15px;padding:5px 9px;border-radius:99px;background:#edf4dd;color:#4b641b;font-size:.72rem;font-weight:800}.timeline{border-left:2px solid #c7dfdb;padding-left:24px;margin-left:7px}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-32px;top:7px;width:12px;height:12px;background:var(--teal);border:3px solid #e5f2ef;border-radius:50%}.timeline-item h3{margin:0;color:var(--navy);font-size:1.1rem}.timeline-item .meta{font-size:.85rem;color:var(--teal-dark);font-weight:750}.timeline-item p{margin:7px 0 0;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}.skill-list{display:grid;gap:14px}.skill-group{padding:18px 20px;background:white;border:1px solid var(--line);border-radius:15px}.skill-group h3{font-size:.98rem;margin:0 0 8px}.skill-group p{margin:0;color:var(--muted);font-size:.9rem}.doc-box{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:21px;background:#fff;border:1px solid var(--line);border-radius:15px;margin-top:14px}.doc-box h3{margin:0;font-size:1rem}.doc-box p{margin:4px 0 0;color:var(--muted);font-size:.82rem}.doc-link{white-space:nowrap;font-weight:800;color:var(--teal-dark)}.contact{background:var(--navy);color:#fff}.contact h2{color:white}.contact .section-head p{color:#d4e0e7}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px}.contact-card{padding:25px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.06)}.contact-card p{color:#d3dfe6}.contact-row{padding:12px 0;border-top:1px solid rgba(255,255,255,.14)}.contact-row:first-child{border-top:0}.contact-row small{display:block;color:#a8c0cc;font-weight:750;text-transform:uppercase;letter-spacing:.08em}.contact-row a{color:var(--lime);font-weight:700}.site-footer{padding:24px 0;background:#0b1b2e;color:#b9c7d0;font-size:.84rem}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-inner a{color:#e7f0f2}.notice{font-size:.8rem;color:var(--muted)}.page-content{min-height:60vh;padding:70px 0}.entry-content{max-width:850px}.entry-title{font-size:2.5rem;line-height:1.1;color:var(--navy)}.entry-content img{max-width:100%;height:auto}.screen-reader-text{position:absolute;left:-9999px}.screen-reader-text:focus{left:12px;top:12px;background:white;padding:12px;z-index:100}
@media(max-width:900px){.hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.hero-card{max-width:550px}.card-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.section{padding:66px 0}}
@media(max-width:650px){.wrap{width:min(100% - 30px,1160px)}.header-inner{height:66px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:65px;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 18px}.main-nav.is-open{display:block}.main-nav ul{display:grid;gap:0}.main-nav li a{display:block;padding:10px 0}.hero{padding:64px 0 56px}.hero-grid{gap:32px}.hero h1{font-size:2.7rem}.card-grid{grid-template-columns:1fr}.doc-box{align-items:flex-start;flex-direction:column}.footer-inner{align-items:flex-start;flex-direction:column;gap:5px}.section{padding:58px 0}}