/* ═══════════════════════════════════════════════
   SURYAKANT SAHOO — Ultra-Premium Portfolio v3
   Smoke Reveal · Cursor-Follow · Real Icons
   ═══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{--bg:#111a0e;--bg2:#0c1209;--bg-light:#f0efe6;--accent:#CCFF00;--white:#fff;--black:#000;--muted:rgba(255,255,255,.45);--border:rgba(255,255,255,.07);--font:'Outfit',sans-serif;--mono:'JetBrains Mono',monospace;--ease:cubic-bezier(.16,1,.3,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--white);overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}
::selection{background:var(--accent);color:var(--black)}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:rgba(204,255,0,.3);border-radius:3px}

/* ── Nav ── */
.nav{position:fixed;top:0;left:0;right:0;padding:1.2rem 2.5rem;display:flex;align-items:center;justify-content:space-between;z-index:1000;transition:all .4s var(--ease)}
.nav.scrolled{background:rgba(12,18,9,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav__hire{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:var(--black);font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;padding:.65rem 1.4rem;border-radius:100px;border:none;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s}
.nav__hire:hover{transform:scale(1.05);box-shadow:0 4px 25px rgba(204,255,0,.35)}
.nav__logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-weight:800;font-size:1rem;letter-spacing:.15em;text-transform:uppercase}
.nav__hamburger{display:flex;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;padding:6px}
.nav__hamburger span{display:block;width:28px;height:2px;background:var(--white);transition:all .4s var(--ease);transform-origin:center}
.nav__hamburger.active span:first-child{transform:translateY(8px) rotate(45deg)}
.nav__hamburger.active span:nth-child(2){opacity:0}
.nav__hamburger.active span:last-child{transform:translateY(-8px) rotate(-45deg)}
.menu{position:fixed;inset:0;background:var(--bg2);z-index:999;display:flex;opacity:0;pointer-events:none;transition:opacity .5s var(--ease)}
.menu.open{opacity:1;pointer-events:all}
.menu__left{flex:1;display:flex;flex-direction:column;justify-content:center;padding:4rem}
.menu__link{font-size:clamp(2.5rem,5vw,4.5rem);font-weight:800;text-transform:uppercase;letter-spacing:-.02em;line-height:1.2;display:block;margin-bottom:.5rem;transition:color .3s}
.menu__link:hover{color:var(--accent)}
.menu__right{width:280px;display:flex;flex-direction:column;justify-content:flex-end;padding:4rem 2rem;border-left:1px solid var(--border)}
.menu__social{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);display:block;margin-bottom:1.2rem;transition:color .3s}
.menu__social:hover{color:var(--accent)}

/* ═══ HERO — Smoke Reveal ═══ */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--bg2)}
.hero__portrait-wrap{position:relative;z-index:2;width:clamp(300px,42vw,520px);margin-top:-6vh}
.hero__portrait{width:100%;aspect-ratio:3/4;overflow:hidden;position:relative;border-radius:4px}
.hero__portrait img{width:100%;height:100%;object-fit:cover;filter:contrast(1.05)}
.hero__robot{position:absolute;inset:0;z-index:3;border-radius:4px;overflow:hidden;opacity:0;transition:opacity .6s ease}
.hero__robot.active{opacity:1}
.hero__robot img{width:100%;height:100%;object-fit:cover}
/* Smoke mask — SVG filter + animated clip-path */
.hero__smoke-mask{position:absolute;inset:0;z-index:4;pointer-events:none}
.hero__bg-text{position:absolute;font-size:clamp(5rem,15vw,13rem);font-weight:900;text-transform:uppercase;letter-spacing:-.04em;line-height:.9;white-space:nowrap;z-index:1;user-select:none}
.hero__bg-text--top{top:8%;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.03)}
.hero__bg-text--bottom{bottom:15%;left:50%;transform:translateX(-50%);color:var(--accent);opacity:.12}
.hero__sub{position:absolute;top:calc(50% - clamp(150px,21vw,260px) - 3rem);left:50%;transform:translateX(-50%);z-index:4;font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.hero__name-wrap{position:absolute;bottom:0%;left:0;right:0;z-index:4;text-align:center;pointer-events:none}
.hero__name-line{font-size:clamp(3.5rem,11vw,9rem);font-weight:900;text-transform:uppercase;letter-spacing:-.04em;line-height:.85;overflow:hidden}
.hero__name-line span{display:inline-block;transform:translateY(120%)}
.hero__name-line--accent span{color:var(--accent)}
.hero__widget{position:absolute;bottom:2.5rem;left:2.5rem;z-index:5;font-family:var(--mono);font-size:.63rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);border:1px solid var(--border);padding:1rem 1.2rem;border-radius:10px;backdrop-filter:blur(10px)}
.hero__widget b{color:var(--accent);font-weight:700;display:block;margin-bottom:.5rem;font-size:.7rem}
.hero__widget strong{color:var(--white);font-family:var(--font);font-weight:700;font-size:.88rem;letter-spacing:.02em;display:block}

/* ═══ ROLES — Image on Right Side ═══ */
.roles{padding:6rem 2.5rem;background:var(--bg);position:relative;overflow:hidden}
.roles__list{max-width:1100px;margin:0 auto}
.role-item{display:flex;align-items:center;padding:2.2rem 0;border-bottom:1px solid var(--border);cursor:default;position:relative;gap:1.5rem}
.role-item:first-child{border-top:1px solid var(--border)}
.role-item__num{font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.1em;flex-shrink:0;width:30px}
.role-item__title{font-size:clamp(2rem,4.5vw,4rem);font-weight:800;text-transform:uppercase;letter-spacing:-.03em;flex:1;line-height:1;transition:color .3s,-webkit-text-stroke .3s}
.role-item:hover .role-item__title{-webkit-text-stroke:2px var(--white);color:transparent}
.role-item__img-box{width:120px;height:80px;border-radius:8px;overflow:hidden;flex-shrink:0;opacity:0;transform:translateX(20px) scale(.9);transition:all .4s var(--ease)}
.role-item:hover .role-item__img-box{opacity:1;transform:translateX(0) scale(1)}
.role-item__img-box img{width:100%;height:100%;object-fit:cover}
.role-item__arrow{font-size:1.5rem;color:var(--muted);transition:color .3s,transform .3s;flex-shrink:0}
.role-item:hover .role-item__arrow{color:var(--accent);transform:translateX(6px)}

/* ═══ PROJECTS ═══ */
.section{padding:7rem 2.5rem;position:relative}
.section--dark{background:var(--bg2)}
.section--light{background:var(--bg-light);color:var(--black)}
.section-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.section--light .section-label{color:var(--bg)}
.section-title{font-size:clamp(2.8rem,7vw,5.5rem);font-weight:900;text-transform:uppercase;letter-spacing:-.04em;line-height:.9;margin-bottom:.3rem}
.section-title--outline{-webkit-text-stroke:2px currentColor;color:transparent}
.section-desc{max-width:440px;font-size:.88rem;line-height:1.8;color:var(--muted)}
.section--light .section-desc{color:rgba(0,0,0,.5)}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:4.5rem;flex-wrap:wrap;gap:2rem;border-top:1px solid var(--border);padding-top:2.5rem}
.section--light .section-header{border-top-color:rgba(0,0,0,.1)}

.projects-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.project-card{border-radius:14px;overflow:hidden;background:rgba(255,255,255,.02);border:1px solid var(--border);display:block;transition:transform .5s var(--ease),border-color .4s}
.project-card:nth-child(2){margin-top:4rem}
.project-card:nth-child(3){margin-top:-2rem}
.project-card:hover{transform:translateY(-6px);border-color:rgba(204,255,0,.2)}
.project-card__vis{width:100%;aspect-ratio:16/10;overflow:hidden;position:relative}
.project-card__vis img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) brightness(.7);transition:filter .6s var(--ease),transform .6s var(--ease)}
.project-card:hover .project-card__vis img{filter:grayscale(0%) brightness(1);transform:scale(1.04)}
.project-card__body{padding:1.5rem}
.project-card__label{font-family:var(--mono);font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.project-card__name{font-size:1.2rem;font-weight:800;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:.4rem}
.project-card__desc{font-size:.83rem;line-height:1.7;color:var(--muted);margin-bottom:.8rem}
.project-card__tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:.8rem}
.tag{padding:.18rem .55rem;border:1px solid rgba(204,255,0,.2);border-radius:100px;font-size:.65rem;font-family:var(--mono);color:var(--accent)}
.project-card__cta{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);display:inline-flex;align-items:center;gap:.4rem;transition:gap .3s var(--ease)}
.project-card:hover .project-card__cta{gap:.9rem}

/* ═══ ABOUT ═══ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;max-width:1100px;margin:0 auto}
.about-photo{border-radius:14px;overflow:hidden}
.about-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(30%) contrast(1.05);transition:filter .6s var(--ease)}
.about-photo:hover img{filter:grayscale(0%)}
.about-text h3{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:800;text-transform:uppercase;letter-spacing:-.02em;margin-bottom:1.5rem;line-height:1.2}
.about-text h3 span{color:var(--accent)}
.about-text p{font-size:.9rem;line-height:1.85;color:rgba(0,0,0,.55);margin-bottom:1rem}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(0,0,0,.08)}
.about-stat__num{font-size:2.5rem;font-weight:900;color:var(--black);letter-spacing:-.03em}
.about-stat__label{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(0,0,0,.35);margin-top:.2rem}

/* ═══ Tech Marquee with Real Icons ═══ */
.marquee-wrap{overflow:hidden;padding:2rem 0}
.marquee-track{display:flex;gap:1.2rem;animation:marquee 40s linear infinite;width:max-content}
.marquee-track:hover{animation-play-state:paused}
.stack-item{flex-shrink:0;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:14px;padding:1.5rem 2rem;text-align:center;min-width:140px;transition:all .4s var(--ease);display:flex;flex-direction:column;align-items:center;gap:.6rem}
.stack-item:hover{border-color:rgba(204,255,0,.25);background:rgba(204,255,0,.04);transform:translateY(-4px)}
.stack-item__icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.stack-item__icon svg{width:28px;height:28px}
.stack-item__name{font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ═══ Footer ═══ */
.footer{background:var(--bg2);border-radius:24px 24px 0 0;padding:5rem 2.5rem 0;overflow:hidden}
.footer__hero{text-align:center;margin-bottom:3.5rem}
.footer__tagline{font-size:clamp(2rem,5vw,3.5rem);font-weight:900;text-transform:uppercase;letter-spacing:-.03em;line-height:1.1;margin-bottom:2rem}
.footer__tagline span{color:var(--accent)}
.footer__cta{display:inline-flex;align-items:center;gap:.7rem;background:var(--accent);color:var(--black);font-weight:800;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;padding:1rem 2.5rem;border-radius:100px;transition:transform .3s var(--ease),box-shadow .3s}
.footer__cta:hover{transform:scale(1.05);box-shadow:0 6px 30px rgba(204,255,0,.3)}
.footer__grid{display:flex;justify-content:space-between;padding:3rem 0;border-top:1px solid var(--border);flex-wrap:wrap;gap:2rem}
.footer__col-title{font-family:var(--mono);font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.footer__link{display:block;font-weight:700;font-size:.88rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.7rem;transition:color .3s}
.footer__link:hover{color:var(--accent)}
.footer__bottom{background:var(--accent);margin:0 -2.5rem;padding:1rem 2.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer__bottom span{font-size:.72rem;font-weight:600;color:var(--black)}

/* ═══ Chat Widget ═══ */
.chat-toggle { position: fixed; bottom: 2rem; right: 2rem; width: 60px; height: 60px; border-radius: 50%; background: var(--bg2); cursor: pointer; z-index: 9999; display: flex; align-items: center; justify-content: center; border: 2px solid rgba(0,240,255,0.4); box-shadow: 0 0 15px rgba(0,240,255,0.2); transition: all 0.3s var(--ease); }
.chat-toggle:hover { transform: scale(1.08); border-color: rgba(0,240,255,0.9); box-shadow: 0 0 25px rgba(0,240,255,0.5); }
.chat-greeting { position: fixed; bottom: 2.8rem; right: 6.5rem; background: var(--white); color: var(--black); padding: 0.6rem 1.2rem; border-radius: 100px; font-weight: 600; font-size: 0.8rem; z-index: 9998; box-shadow: 0 4px 15px rgba(0,0,0,0.5); opacity: 0; transform: translateX(20px); transition: all 0.3s var(--ease); pointer-events: none; }
.chat-toggle:hover + .chat-greeting { opacity: 1; transform: translateX(0); }
.chat-greeting::after { content: ''; position: absolute; top: 50%; right: -6px; transform: translateY(-50%); border-width: 6px 0 6px 6px; border-style: solid; border-color: transparent transparent transparent var(--white); }
.chat-window { position: fixed; bottom: 6rem; right: 2rem; width: 350px; background: rgba(12,18,9,0.85); backdrop-filter: blur(20px); border: 1px solid var(--border); border-radius: 16px; z-index: 9999; display: flex; flex-direction: column; overflow: hidden; opacity: 0; pointer-events: none; transform: translateY(20px); transition: all 0.4s var(--ease); }
.chat-window.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.chat-header { padding: 1.2rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: rgba(0,0,0,0.2); }
.chat-header__info { display: flex; align-items: center; gap: 0.8rem; }
.chat-header__info img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.chat-header__info h4 { font-size: 0.9rem; font-weight: 700; color: var(--white); margin-bottom: 0.2rem; }
.chat-header__info span { font-size: 0.7rem; color: var(--accent); font-family: var(--mono); }
.chat-header__close { background: none; border: none; color: var(--muted); font-size: 1.5rem; cursor: pointer; transition: color 0.3s; }
.chat-header__close:hover { color: var(--white); }
.chat-messages { height: 350px; overflow-y: auto; padding: 1.2rem; display: flex; flex-direction: column; gap: 1rem; }
.msg { padding: 0.8rem 1.2rem; border-radius: 12px; font-size: 0.85rem; line-height: 1.5; max-width: 85%; }
.msg--bot { background: rgba(255,255,255,0.05); color: var(--white); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg--user { background: var(--accent); color: var(--black); align-self: flex-end; border-bottom-right-radius: 4px; font-weight: 500; }
.chat-input { padding: 1rem; border-top: 1px solid var(--border); display: flex; gap: 0.5rem; background: rgba(0,0,0,0.2); }
.chat-input input { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--white); padding: 0.8rem 1rem; border-radius: 100px; font-family: var(--font); font-size: 0.85rem; outline: none; }
.chat-input input:focus { border-color: rgba(204,255,0,0.5); }
.chat-input button { background: var(--accent); border: none; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--black); transition: transform 0.3s; }
.chat-input button:hover { transform: scale(1.1); }

@media(max-width:768px){
  .section{padding:4.5rem 1.5rem}.nav{padding:1rem 1.2rem}
  .projects-grid{grid-template-columns:1fr}.project-card:nth-child(2),.project-card:nth-child(3){margin-top:0}
  .about-grid{grid-template-columns:1fr;gap:2rem}
  .role-item__title{font-size:clamp(1.6rem,7vw,2.5rem)}.role-item__img-box{display:none}
  .hero__widget{display:none}
  .menu{flex-direction:column}.menu__right{width:100%;border-left:none;border-top:1px solid var(--border);flex-direction:row;flex-wrap:wrap;gap:1rem;padding:2rem;justify-content:center}.menu__social{margin-bottom:0}
  .footer__grid{flex-direction:column}
}