/* ===== Reset & Variables ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;
    --accent:#6c5ce7;--accent-light:#a29bfe;--accent-glow:rgba(108,92,231,0.3);
    --text-primary:#eaeaea;--text-secondary:#8b8ba3;--text-muted:#5a5a72;
    --border:rgba(255,255,255,0.06);--border-hover:rgba(108,92,231,0.4);
    --gradient-1:linear-gradient(135deg,#6c5ce7,#a29bfe);
    --gradient-2:linear-gradient(135deg,#0a0a0f 0%,#1a1a2e 100%);
    --shadow-glow:0 0 40px rgba(108,92,231,0.15);
    --radius:16px;--radius-sm:10px;
    --transition:0.3s cubic-bezier(0.4,0,0.2,1);
    --font:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    --font-mono:'JetBrains Mono',monospace;
}
html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--accent) var(--bg-secondary)}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}

/* ===== Navbar ===== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 2rem;height:72px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,10,15,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:var(--transition)}
.navbar.scrolled{background:rgba(10,10,15,0.97);box-shadow:0 2px 20px rgba(0,0,0,0.3)}
.navbar__logo{font-size:1.25rem;font-weight:700;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;letter-spacing:-0.02em}
.navbar__logo span{font-weight:400;opacity:0.7}
.navbar__links{display:flex;gap:2rem;list-style:none}
.navbar__link{color:var(--text-secondary);text-decoration:none;font-size:0.9rem;font-weight:500;position:relative;padding:0.25rem 0;transition:var(--transition)}
.navbar__link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--gradient-1);border-radius:1px;transition:var(--transition)}
.navbar__link:hover,.navbar__link.active{color:var(--text-primary)}
.navbar__link:hover::after,.navbar__link.active::after{width:100%}
.navbar__burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.navbar__burger span{width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:rgba(10,10,15,0.98);backdrop-filter:blur(20px);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:2rem}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--text-primary);text-decoration:none;font-size:1.5rem;font-weight:600;transition:var(--transition)}
.mobile-menu a:hover{color:var(--accent-light)}

/* ===== Page Header (reusable for inner pages) ===== */
.page-header{padding:8rem 2rem 3rem;text-align:center;position:relative;overflow:hidden}
.page-header__bg{position:absolute;inset:0;background-image:linear-gradient(rgba(108,92,231,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(108,92,231,0.03) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black,transparent);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black,transparent)}
.page-header__orb{position:absolute;width:400px;height:400px;border-radius:50%;background:var(--accent);filter:blur(120px);opacity:0.1;top:-15%;right:10%;animation:float 8s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}
.page-header__content{position:relative;z-index:1;max-width:700px;margin:0 auto}
.page-header__label{font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:0.15em;color:var(--accent-light);margin-bottom:0.75rem;font-family:var(--font-mono)}
.page-header__title{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-0.03em;margin-bottom:1rem;animation:fadeInUp .7s ease-out}
.page-header__title-accent{background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-header__desc{color:var(--text-secondary);font-size:1.1rem;line-height:1.7;animation:fadeInUp .7s ease-out .1s both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}

/* ===== Hero (index) ===== */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:6rem 2rem 4rem;position:relative;overflow:hidden}
.hero__bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,92,231,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(108,92,231,0.03) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,black,transparent);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,black,transparent)}
.hero__orb{position:absolute;border-radius:50%;filter:blur(100px);animation:float 8s ease-in-out infinite}
.hero__orb--1{width:500px;height:500px;background:var(--accent);top:-10%;right:-5%;opacity:0.12}
.hero__orb--2{width:350px;height:350px;background:#a29bfe;bottom:10%;left:-5%;opacity:0.08;animation-delay:-4s}
.hero__content{max-width:820px;text-align:center;position:relative;z-index:1}
.hero__badge{display:inline-flex;align-items:center;gap:0.5rem;background:rgba(108,92,231,0.1);border:1px solid rgba(108,92,231,0.25);border-radius:50px;padding:0.5rem 1.25rem;font-size:0.85rem;color:var(--accent-light);margin-bottom:2rem;font-weight:500;animation:fadeInUp .8s ease-out}
.hero__badge i{font-size:0.7rem;animation:pulse 2s ease-in-out infinite}
.hero__title{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;line-height:1.1;letter-spacing:-0.03em;margin-bottom:1.5rem;animation:fadeInUp .8s ease-out .1s both}
.hero__subtitle{font-size:1.15rem;color:var(--text-secondary);max-width:560px;margin:0 auto 2.5rem;line-height:1.7;animation:fadeInUp .8s ease-out .2s both}
.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;animation:fadeInUp .8s ease-out .3s both}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:0.6rem;padding:0.85rem 1.75rem;border-radius:12px;font-size:0.95rem;font-weight:600;text-decoration:none;cursor:pointer;transition:var(--transition);border:none;font-family:var(--font)}
.btn--primary{background:var(--gradient-1);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
.btn--outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}
.btn--outline:hover{border-color:var(--border-hover);background:rgba(108,92,231,0.05)}

/* ===== Section ===== */
.section{padding:4rem 2rem 6rem;max-width:1200px;margin:0 auto}

/* ===== About ===== */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about__photo-wrapper{position:relative}
.about__photo{width:100%;aspect-ratio:4/5;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}
.about__photo-placeholder{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--text-muted)}
.about__photo-placeholder i{font-size:4rem;opacity:0.3}
.about__photo-placeholder span{font-size:0.85rem}
.about__photo-decor{position:absolute;width:200px;height:200px;border-radius:50%;background:var(--accent);filter:blur(80px);opacity:0.15;bottom:-40px;right:-40px}
.about__text h3{font-size:1.6rem;font-weight:700;margin-bottom:1rem}
.about__text p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.8}
.about__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem}
.stat{text-align:center;padding:1.25rem;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);transition:var(--transition)}
.stat:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow)}
.stat__number{font-size:1.75rem;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat__label{font-size:0.8rem;color:var(--text-muted);margin-top:0.25rem}

/* ===== Skills ===== */
.skills__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:3rem}
.skill-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;transition:var(--transition);position:relative;overflow:hidden}
.skill-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-1);opacity:0;transition:var(--transition)}
.skill-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.skill-card:hover::before{opacity:1}
.skill-card__icon{width:48px;height:48px;border-radius:12px;background:rgba(108,92,231,0.1);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;font-size:1.25rem;color:var(--accent-light)}
.skill-card__title{font-size:1.1rem;font-weight:700;margin-bottom:0.5rem}
.skill-card__desc{color:var(--text-secondary);font-size:0.9rem;line-height:1.6}
.skill-card__tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem}
.skill-card__tag{font-size:0.75rem;font-family:var(--font-mono);padding:0.25rem 0.6rem;background:rgba(108,92,231,0.08);border:1px solid rgba(108,92,231,0.15);border-radius:6px;color:var(--accent-light)}

/* ===== Portfolio ===== */
.portfolio__filters{display:flex;justify-content:center;gap:0.75rem;margin-bottom:3rem;flex-wrap:wrap}
.filter-btn{padding:0.5rem 1.25rem;border-radius:50px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:0.85rem;font-weight:500;font-family:var(--font);cursor:pointer;transition:var(--transition)}
.filter-btn:hover{border-color:var(--border-hover);color:var(--text-primary)}
.filter-btn.active{background:var(--gradient-1);border-color:transparent;color:#fff}
.portfolio__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(500px,1fr));gap:1.5rem}
.project-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);cursor:pointer}
.project-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.project-card__preview{min-height:180px;background:var(--gradient-2);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.project-card__preview-icon{font-size:3rem;opacity:0.15;color:var(--accent-light)}
.project-card__category{position:absolute;top:1rem;left:1rem;font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;padding:0.35rem 0.75rem;background:rgba(108,92,231,0.2);border:1px solid rgba(108,92,231,0.3);border-radius:6px;color:var(--accent-light)}
.project-card__body{padding:1.5rem}
.project-card__title{font-size:1.15rem;font-weight:700;margin-bottom:0.5rem}
.project-card__desc{color:var(--text-secondary);font-size:0.9rem;line-height:1.6;margin-bottom:1rem}
.project-card__tech{display:flex;flex-wrap:wrap;gap:0.4rem}
.project-card__tech-tag{font-size:0.7rem;font-family:var(--font-mono);padding:0.2rem 0.5rem;background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:4px;color:var(--text-muted)}

/* ===== Modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:2rem;animation:fadeIn .2s ease-out}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);max-width:700px;width:100%;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease-out}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.modal__header{padding:2rem 2rem 0;display:flex;justify-content:space-between;align-items:flex-start}
.modal__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}
.modal__close:hover{border-color:var(--border-hover);color:var(--text-primary)}
.modal__body{padding:1.5rem 2rem 2rem}
.modal__body p{color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem}
.modal__body h4{font-size:1rem;font-weight:600;margin-bottom:0.75rem}
.modal__results{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}
.modal__result{text-align:center;padding:1rem;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border)}
.modal__result-value{font-size:1.5rem;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.modal__result-label{font-size:0.75rem;color:var(--text-muted);margin-top:0.25rem}

/* ===== Contact ===== */
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact__info{display:flex;flex-direction:column;gap:1.5rem}
.contact__info h3{font-size:1.6rem;font-weight:700}
.contact__info p{color:var(--text-secondary);line-height:1.7}
.contact__channels{display:flex;flex-direction:column;gap:1rem;margin-top:0.5rem}
.contact__channel{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);text-decoration:none;transition:var(--transition)}
.contact__channel:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow);transform:translateX(4px)}
.contact__channel-icon{width:40px;height:40px;border-radius:10px;background:rgba(108,92,231,0.1);display:flex;align-items:center;justify-content:center;color:var(--accent-light);flex-shrink:0}
.contact__channel-text{display:flex;flex-direction:column}
.contact__channel-label{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.08em}
.contact__channel-value{font-size:0.95rem;font-weight:500}
.contact__form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem}
.form__group{margin-bottom:1.25rem}
.form__label{display:block;font-size:0.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:0.5rem}
.form__input,.form__textarea{width:100%;padding:0.85rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font);font-size:0.95rem;transition:var(--transition);outline:none}
.form__input:focus,.form__textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form__textarea{resize:vertical;min-height:120px}
.form__submit{width:100%;margin-top:0.5rem}
.form__success{text-align:center;padding:2rem;color:#4ade80;font-weight:500}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--border);padding:2rem;text-align:center}
.footer__content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.footer__copy{font-size:0.85rem;color:var(--text-muted)}
.footer__socials{display:flex;gap:1rem}
.footer__social{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);text-decoration:none;transition:var(--transition);font-size:0.9rem}
.footer__social:hover{border-color:var(--border-hover);color:var(--accent-light);transform:translateY(-2px)}

/* ===== Responsive ===== */
@media(max-width:560px){
    .portfolio__grid{grid-template-columns:1fr}
}
@media(max-width:900px){
    .about__grid,.contact__grid{grid-template-columns:1fr;gap:2.5rem}
    .portfolio__grid{grid-template-columns:1fr}
    .modal__results{grid-template-columns:1fr}
}
@media(max-width:640px){
    .navbar__links{display:none}
    .navbar__burger{display:flex}
    .section{padding:3rem 1.25rem 4rem}
    .page-header{padding:6rem 1.25rem 2rem}
    .hero{padding:5rem 1.25rem 3rem}
    .about__stats{gap:0.75rem}
    .stat{padding:0.75rem}
    .stat__number{font-size:1.25rem}
    .skills__grid{grid-template-columns:1fr}
    .footer__content{flex-direction:column;gap:1rem}
}