/* ============================================================
   MOHAMMED PORTFOLIO — MAIN STYLESHEET
   Edit colours, fonts & spacing via the WordPress Customizer
   (Appearance → Customize) or directly in this file.
   ============================================================ */

/* -----------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ----------------------------------------------------------- */
:root {
  --color-primary:      #3b82f6;
  --color-primary-dark: #2563eb;
  --color-bg:           #ffffff;
  --color-bg-alt:       #f3f4f6;
  --color-bg-dark:      #1f2937;
  --color-bg-darkest:   #111827;
  --color-text:         #111827;
  --color-text-muted:   #6b7280;
  --color-border:       #e5e7eb;
  --radius-sm:  0.5rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.15);
  --shadow-glow:0 0 30px rgba(59,130,246,.45);
  --transition: .3s ease;
  --font-heading:'Plus Jakarta Sans','Segoe UI',sans-serif;
  --font-body:  'Inter','Segoe UI',sans-serif;
  --container:  1280px;
  --section-py: 5rem;
}

html.dark {
  --color-bg:         #1f2937;
  --color-bg-alt:     #111827;
  --color-bg-darkest: #030712;
  --color-text:       #f9fafb;
  --color-text-muted: #9ca3af;
  --color-border:     #374151;
}

/* -----------------------------------------------------------
   2. RESET & BASE
   ----------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);line-height:1.6;transition:background var(--transition),color var(--transition);overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{cursor:pointer;border:none;background:none;font:inherit;}
ul{list-style:none;}

/* -----------------------------------------------------------
   3. UTILITIES
   ----------------------------------------------------------- */
.container{max-width:var(--container);margin:0 auto;padding:0 1.5rem;}
.section{padding:var(--section-py) 0;}
.section-alt{background:var(--color-bg-alt);}
.section-title{font-family:var(--font-heading);font-size:clamp(2rem,5vw,3rem);font-weight:700;text-align:center;margin-bottom:1rem;}
.section-divider{width:5rem;height:4px;background:var(--color-primary);border-radius:2px;margin:0 auto 3rem;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 2rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;transition:all var(--transition);}
.btn-primary{background:var(--color-primary);color:#fff;}
.btn-primary:hover{opacity:.9;transform:scale(1.04);}
.btn-outline{background:var(--color-bg);color:var(--color-primary);border:2px solid var(--color-primary);}
.btn-outline:hover{background:var(--color-primary);color:#fff;transform:scale(1.04);}
.scroll-animate{opacity:0;transform:translateY(2rem);transition:opacity .6s ease,transform .6s ease;}
.scroll-animate.visible{opacity:1;transform:translateY(0);}
/* Safety net: if JS observer never fires, content becomes visible after 1s so nothing stays hidden */
@keyframes mi-fallback-show{to{opacity:1;transform:translateY(0);}}
.scroll-animate{animation:mi-fallback-show 0s 1.2s forwards;}

/* -----------------------------------------------------------
   4. HEADER / NAV
   ----------------------------------------------------------- */
#site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--transition),box-shadow var(--transition);}
#site-header.scrolled{background:var(--color-bg);box-shadow:0 2px 12px rgba(0,0,0,.1);}
#site-header nav{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;max-width:var(--container);margin:0 auto;}
.nav-logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--color-primary);}
.nav-logo:hover{opacity:.8;}
.nav-links{display:flex;align-items:center;gap:2rem;}
.nav-links a,.nav-links button{font-size:.9rem;font-weight:500;color:var(--color-text-muted);transition:color var(--transition);}
.nav-links a:hover,.nav-links button:hover,.nav-links a.active,.nav-links button.active{color:var(--color-primary);}
.dark-toggle{padding:.4rem;border-radius:var(--radius-sm);background:var(--color-bg-alt);color:var(--color-text-muted);transition:background var(--transition);}
.dark-toggle:hover{background:var(--color-border);}
.dark-toggle svg{width:1.2rem;height:1.2rem;display:block;}
.nav-mobile-toggle{display:none;padding:.4rem;color:var(--color-text-muted);}
.nav-mobile-toggle svg{width:1.5rem;height:1.5rem;}
.nav-mobile-menu{display:none;flex-direction:column;gap:.5rem;padding:1rem 1.5rem;border-top:1px solid var(--color-border);background:var(--color-bg);}
.nav-mobile-menu.open{display:flex;}
.nav-mobile-menu a,.nav-mobile-menu button{font-size:.95rem;font-weight:500;color:var(--color-text-muted);padding:.4rem 0;text-align:left;transition:color var(--transition);}
.nav-mobile-menu a:hover,.nav-mobile-menu button:hover{color:var(--color-primary);}
@media(max-width:768px){.nav-links{display:none;}.nav-mobile-toggle{display:block;}}

/* -----------------------------------------------------------
   5. HERO
   ----------------------------------------------------------- */
#hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding-top:5rem;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.72),rgba(255,255,255,.55));}
html.dark .hero-overlay{background:linear-gradient(135deg,rgba(17,24,39,.96),rgba(17,24,39,.88));}
.hero-blobs{position:absolute;inset:0;z-index:0;opacity:.08;}
.hero-blob{position:absolute;border-radius:50%;background:var(--color-primary);filter:blur(80px);animation:blob 8s infinite alternate ease-in-out;}
.hero-blob:nth-child(1){width:18rem;height:18rem;top:5rem;left:2.5rem;}
.hero-blob:nth-child(2){width:24rem;height:24rem;top:10rem;right:2.5rem;animation-delay:2s;}
.hero-blob:nth-child(3){width:20rem;height:20rem;bottom:5rem;left:33%;animation-delay:4s;}
@keyframes blob{0%{transform:scale(1) translate(0,0);}100%{transform:scale(1.15) translate(2rem,-2rem);}}
.hero-content{position:relative;z-index:1;max-width:56rem;margin-left:auto;margin-right:6rem;text-align:right;animation:fadeInUp .8s ease both;}
.hero-name{font-family:var(--font-heading);font-size:clamp(2.8rem,8vw,4.5rem);font-weight:700;line-height:1.1;margin-bottom:1rem;}
.hero-title{font-size:1.2rem;font-weight:600;color:var(--color-primary);margin-bottom:1rem;}
.hero-tagline{font-size:1.1rem;color:var(--color-text-muted);margin-bottom:3rem;}
.hero-cta{display:flex;gap:1rem;justify-content:flex-end;flex-wrap:wrap;}
.hero-scroll-btn{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);cursor:pointer;animation:bounce 2s infinite;}
.scroll-mouse{width:2.5rem;height:5rem;border:2px solid var(--color-primary);border-radius:1.25rem;position:relative;}
.scroll-wheel{position:absolute;bottom:.5rem;left:50%;transform:translateX(-50%);width:1.5rem;height:1.5rem;border-radius:50%;border:2px solid var(--color-primary);background:var(--color-primary);display:flex;align-items:center;justify-content:center;}
.scroll-wheel svg{width:.9rem;height:.9rem;color:#fff;}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(-10px);}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(2rem);}to{opacity:1;transform:translateY(0);}}
@media(max-width:768px){.hero-content{margin:0 auto;text-align:center;}.hero-cta{justify-content:center;}}

/* -----------------------------------------------------------
   6. ABOUT
   ----------------------------------------------------------- */
#about{background:var(--color-bg);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;max-width:72rem;margin:0 auto;}
.about-photo-wrap{display:flex;justify-content:flex-end;}
.about-photo-inner{position:relative;width:min(24rem,90vw);height:min(24rem,90vw);}
.about-photo-inner::before{content:'';position:absolute;inset:-.75rem;border-radius:var(--radius-xl);border:2px solid var(--color-primary);opacity:.3;transition:opacity var(--transition);}
.about-photo-inner::after{content:'';position:absolute;bottom:-1rem;right:-1rem;width:100%;height:100%;border-radius:var(--radius-xl);background:var(--color-primary);opacity:.08;transition:opacity var(--transition);}
.about-photo-wrap:hover .about-photo-inner::before{opacity:.6;}
.about-photo-wrap:hover .about-photo-inner::after{opacity:.18;}
.about-photo-inner img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;object-position:top;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);transition:transform var(--transition);}
.about-photo-wrap:hover .about-photo-inner img{transform:scale(1.02);}
.about-text h3{font-family:var(--font-heading);font-size:1.6rem;font-weight:700;line-height:1.3;margin-bottom:1.5rem;}
.about-text h3 span{color:var(--color-primary);}
.about-text p{color:var(--color-text-muted);line-height:1.8;margin-bottom:1.25rem;font-size:1.05rem;}
.about-pills{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem;}
.about-pill{display:flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:999px;border:1px solid rgba(59,130,246,.3);background:rgba(59,130,246,.05);font-size:.875rem;font-weight:600;color:var(--color-text);transition:all var(--transition);}
.about-pill svg{width:1rem;height:1rem;color:var(--color-primary);flex-shrink:0;transition:color var(--transition);}
.about-pill:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);}
.about-pill:hover svg{color:#fff;}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:2.5rem;}.about-photo-wrap{justify-content:center;}}

/* -----------------------------------------------------------
   7. SKILLS
   ----------------------------------------------------------- */
#skills{background:var(--color-bg-alt);}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:2rem;max-width:88rem;margin:0 auto;}
.skill-card{background:var(--color-bg);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md);transition:transform var(--transition),box-shadow var(--transition);overflow:hidden;}
.skill-card:hover{transform:translateY(-.5rem);box-shadow:var(--shadow-glow);}
.skill-card-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;}
.skill-icon{width:4rem;height:4rem;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.skill-icon svg{width:2rem;height:2rem;}
.skill-card h3{font-family:var(--font-heading);font-size:1.2rem;font-weight:700;}
.skill-list li{display:flex;align-items:center;gap:.75rem;color:var(--color-text-muted);font-size:.95rem;padding:.3rem 0;}
.skill-list li::before{content:'';width:.5rem;height:.5rem;border-radius:50%;background:var(--color-primary);flex-shrink:0;}
.skill-card .skill-expertise{display:none;}
.skill-card:hover .skill-skills{display:none;}
.skill-card:hover .skill-expertise{display:block;}
.skill-card:hover .skill-expertise .skill-list-head{color:var(--color-primary);}
.skill-list-head{font-weight:700;font-size:1rem;margin-bottom:.75rem;}

/* -----------------------------------------------------------
   8. EXPERTISE
   ----------------------------------------------------------- */
#expertise{background:var(--color-bg);padding-top:0;}
.expertise-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.5rem;max-width:72rem;margin:0 auto;}
.expertise-card{background:var(--color-bg-alt);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);text-align:center;transition:transform var(--transition),box-shadow var(--transition);}
.expertise-card:hover{transform:translateY(-.5rem);box-shadow:var(--shadow-lg);}
.expertise-icon{width:4rem;height:4rem;background:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;}
.expertise-icon svg{width:1.75rem;height:1.75rem;}
.expertise-card h3{font-weight:700;margin-bottom:1rem;}
.expertise-card ul li{display:flex;align-items:center;gap:.5rem;text-align:left;font-size:.9rem;color:var(--color-text-muted);padding:.2rem 0;}
.expertise-card ul li::before{content:'';width:.35rem;height:.35rem;border-radius:50%;background:var(--color-primary);flex-shrink:0;}

/* -----------------------------------------------------------
   9. PROJECTS
   ----------------------------------------------------------- */
#projects{background:var(--color-bg);}
.projects-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem;margin-bottom:3rem;}
.tab-btn{display:flex;align-items:center;gap:.4rem;padding:.6rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;background:var(--color-bg-alt);color:var(--color-text-muted);transition:all var(--transition);}
.tab-btn:hover{background:var(--color-border);}
.tab-btn.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md);}
.tab-btn svg{width:1rem;height:1rem;}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
@media(max-width:900px){.projects-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.projects-grid{grid-template-columns:1fr;}}
.project-card-item{display:flex;}
.project-card{background:var(--color-bg-alt);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:transform var(--transition),box-shadow var(--transition);display:flex;flex-direction:column;width:100%;height:22rem;}
.project-card:hover{transform:translateY(-.5rem);box-shadow:var(--shadow-lg);}
.project-card-img{position:relative;height:12rem;min-height:12rem;max-height:12rem;overflow:hidden;flex-shrink:0;}
.project-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition);}
.project-card:hover .project-card-img img{transform:scale(1.08);}
.project-card-overlay{position:absolute;inset:0;background:rgba(59,130,246,0);display:flex;align-items:center;justify-content:center;transition:background var(--transition);}
.project-card:hover .project-card-overlay{background:rgba(59,130,246,.82);}
.project-card-overlay a{opacity:0;transform:translateY(1rem);display:flex;align-items:center;gap:.4rem;padding:.6rem 1.4rem;background:#fff;color:var(--color-primary);border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;transition:opacity var(--transition),transform var(--transition);}
.project-card:hover .project-card-overlay a{opacity:1;transform:translateY(0);}
.project-card-body{padding:1.25rem;flex:1;display:flex;flex-direction:column;overflow:hidden;}
.project-card-body h3{font-weight:700;font-size:1rem;margin-bottom:.4rem;flex-shrink:0;}
.project-card-body p{font-size:.875rem;color:var(--color-text-muted);line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;flex-shrink:0;}
.pagination{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:2rem;}
.pagination-btn{width:2.25rem;height:2.25rem;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--color-primary);color:#fff;transition:all var(--transition);}
.pagination-btn:disabled{background:var(--color-bg-alt);color:var(--color-text-muted);cursor:not-allowed;}
.pagination-btn svg{width:1.2rem;height:1.2rem;}
.pagination-dots{display:flex;gap:.5rem;align-items:center;}
.dot{width:.75rem;height:.75rem;border-radius:999px;background:var(--color-border);border:none;cursor:pointer;transition:all var(--transition);}
.dot.active{background:var(--color-primary);width:2rem;}

/* -----------------------------------------------------------
   10. TESTIMONIALS
   ----------------------------------------------------------- */
#testimonials{background:var(--color-bg-alt);}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.5rem;}
.testimonial-card{background:var(--color-bg);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-md);display:flex;flex-direction:column;min-height:14rem;transition:box-shadow var(--transition);}
.testimonial-card:hover{box-shadow:var(--shadow-lg);}
.testimonial-head{margin-bottom:.75rem;}
.testimonial-name{font-weight:700;font-size:.95rem;}
.testimonial-role{font-size:.75rem;color:var(--color-text-muted);margin-top:.15rem;}
.testimonial-role span{color:var(--color-primary);}
.testimonial-quote{font-size:.875rem;line-height:1.7;color:var(--color-text-muted);flex:1;margin-bottom:.75rem;}
.testimonial-meta{font-size:.75rem;color:var(--color-text-muted);border-top:1px solid var(--color-border);padding-top:.75rem;display:flex;justify-content:center;gap:.5rem;}

/* Mobile — 1 card carousel with slide transition */
@media(max-width:600px){
  /* Outer grid becomes a single-column container */
  .testimonials-grid{
    grid-template-columns: 1fr !important;
    gap: 0;
    overflow: hidden;
    position: relative;
  }

  /* Hidden cards collapse fully */
  .testimonial-card-item[style*="display:none"],
  .testimonial-card-item[style*="display: none"],
  .testimonial-card-item.is-hidden{
    display: none !important;
  }

  /* Visible card fills full width */
  .testimonial-card-item{ width: 100%; }

  /* Card styling for mobile — taller quote area, readable size */
  .testimonial-card{
    min-height: auto;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }
  .testimonial-quote{ font-size: .9rem; }

  /* Pagination bar always visible and centred */
  #testimonials .pagination{
    display: flex !important;
    margin-top: 1.5rem;
    gap: 1rem;
    align-items: center;
    justify-content: center;
  }

  /* Bigger tap targets for prev/next */
  #testimonials .pagination-btn{
    width: 3rem; height: 3rem;
    border-radius: 50%;
    background: var(--color-primary); color: #fff;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition), transform var(--transition);
  }
  #testimonials .pagination-btn svg{ width: 1.25rem; height: 1.25rem; }
  #testimonials .pagination-btn:disabled{
    background: var(--color-border);
    color: var(--color-text-muted);
    opacity: .5;
  }
  #testimonials .pagination-btn:not(:disabled):active{ transform: scale(.92); }

  /* Dots */
  #testimonials .dot{ width: .65rem; height: .65rem; }
  #testimonials .dot.active{ width: 1.6rem; }
}

/* -----------------------------------------------------------
   11. CONTACT
   ----------------------------------------------------------- */
#contact{position:relative;background:var(--color-bg-darkest);color:#f9fafb;padding:var(--section-py) 0;overflow:hidden;}
.contact-bg-img{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.08;}
.contact-inner{position:relative;z-index:1;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start;max-width:72rem;margin:0 auto;}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr;}}
.contact-info h3{font-size:1.5rem;font-weight:700;margin-bottom:.75rem;color:#fff;}
.contact-info>p{color:#9ca3af;margin-bottom:2rem;}
.contact-item{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;}
.contact-item-icon{width:3rem;height:3rem;flex-shrink:0;background:#1f2937;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;}
.contact-item-icon svg{width:1.25rem;height:1.25rem;color:var(--color-primary);}
.contact-item-label{font-size:.8rem;color:#9ca3af;margin-bottom:.2rem;}
.contact-item a,.contact-item p{color:#fff;font-size:.95rem;}
.contact-item a:hover{color:var(--color-primary);}
.social-links-contact{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem;}
.social-link-btn{width:3rem;height:3rem;border-radius:50%;background:#1f2937;color:#9ca3af;display:flex;align-items:center;justify-content:center;transition:all var(--transition);}
.social-link-btn svg{width:1.25rem;height:1.25rem;}
.social-link-btn:hover{background:var(--color-primary);color:#fff;transform:scale(1.1);}
.contact-form{display:flex;flex-direction:column;gap:.75rem;}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:.5rem .75rem;background:#1f2937;color:#fff;border:1px solid #374151;border-radius:.5rem;font-size:.875rem;font-family:var(--font-body);transition:border-color var(--transition),box-shadow var(--transition);outline:none;-webkit-appearance:none;}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#6b7280;}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:transparent;box-shadow:0 0 0 2px var(--color-primary);}
.contact-form select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;background-size:1.25rem;padding-right:2rem;}
.contact-form select option{background:#1f2937;}
.contact-form textarea{resize:none;}
.form-submit{width:100%;padding:.5rem 1rem;background:#ffffff;color:#111827;border-radius:.5rem;font-weight:500;font-size:.875rem;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:background var(--transition),opacity var(--transition);}
.form-submit:hover{background:#f3f4f6;}
.form-submit:disabled{opacity:.5;cursor:not-allowed;}
.form-submit svg{width:1rem;height:1rem;}
.form-message{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;display:none;}
.form-message.success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#4ade80;display:block;}
.form-message.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#f87171;display:block;}

/* -----------------------------------------------------------
   12. FOOTER
   ----------------------------------------------------------- */
#site-footer{background:var(--color-bg-darkest);color:#9ca3af;padding:3rem 0 1.5rem;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:2rem;margin-bottom:2rem;}
.footer-col h4{color:#fff;font-weight:700;font-size:1rem;margin-bottom:1rem;}
.footer-col p{font-size:.875rem;line-height:1.7;}
.footer-col ul li{margin-bottom:.4rem;}
.footer-col ul li a,.footer-col ul li button{font-size:.875rem;color:#9ca3af;transition:color var(--transition);text-align:left;}
.footer-col ul li a:hover,.footer-col ul li button:hover{color:var(--color-primary);}
.footer-social{display:flex;flex-wrap:wrap;gap:.6rem;}
.footer-social-link{width:2.5rem;height:2.5rem;border-radius:50%;background:#1f2937;color:var(--color-primary);display:flex;align-items:center;justify-content:center;transition:all var(--transition);position:relative;}
.footer-social-link svg{width:1.1rem;height:1.1rem;}
.footer-social-link:not(.footer-social-inactive):hover{transform:scale(1.12);color:#fff;}
.footer-social-inactive{opacity:.35;cursor:not-allowed;}
.footer-social a[aria-label="Facebook"]:hover{background:#1877f2;}
.footer-social a[aria-label="LinkedIn"]:hover{background:#0a66c2;}
.footer-social a[aria-label="GitHub"]:hover{background:#333;}
.footer-social a[aria-label="Instagram"]:hover{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fd5949 45%,#d6249f 60%,#285aeb 90%);}
.footer-social a[aria-label="Behance"]:hover{background:#1769ff;}
.footer-social a[aria-label="Medium"]:hover{background:#000;}
.footer-bottom{border-top:1px solid #1f2937;padding-top:1.25rem;text-align:center;font-size:.8rem;}

/* -----------------------------------------------------------
   13. BACK TO TOP — single SVG (ring + blue circle + arrow)
   ----------------------------------------------------------- */
#back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 99;
  width: 3.5rem; height: 3.5rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  transform: translateY(.5rem);
}
#back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#back-to-top:hover { transform: scale(1.1); }

/* SVG fills the button entirely */
.btt-svg {
  width: 100%; height: 100%;
  display: block;
  /* rotate -90deg so progress ring starts at 12-o-clock */
  transform: rotate(-90deg);
}

/* The arrow lines are drawn upright inside the SVG viewBox,
   so we counter-rotate them back to stay upright */
.btt-svg line,
.btt-svg polyline {
  transform-origin: 50px 50px;
  transform: rotate(90deg);
}

/* Progress circle smooth transition */
#btt-progress { transition: stroke-dashoffset 0.1s ease; }

/* -----------------------------------------------------------
   14. BLOG / ARCHIVE
   ----------------------------------------------------------- */
.blog-container{max-width:54rem;margin:2rem auto;padding:0 1.5rem;}
.blog-post{margin-bottom:3rem;}
.blog-post h2 a:hover{color:var(--color-primary);}
.blog-post .entry-meta{font-size:.85rem;color:var(--color-text-muted);margin:.4rem 0 .75rem;}
.blog-post .entry-summary{color:var(--color-text-muted);line-height:1.7;margin-bottom:1rem;}
.read-more{color:var(--color-primary);font-weight:600;font-size:.9rem;}
.read-more:hover{text-decoration:underline;}
.entry-content{line-height:1.8;}
.entry-content h1,.entry-content h2,.entry-content h3{font-family:var(--font-heading);margin:1.5rem 0 .75rem;font-weight:700;}
.entry-content p{margin-bottom:1rem;}
.entry-content ul,.entry-content ol{padding-left:1.5rem;margin-bottom:1rem;}
.entry-content img{border-radius:var(--radius-md);margin:1.5rem 0;}
.entry-content a{color:var(--color-primary);text-decoration:underline;}
.error-404-wrap{text-align:center;padding:6rem 1.5rem;}
.error-404-wrap h1{font-size:6rem;font-weight:700;color:var(--color-primary);}

/* -----------------------------------------------------------
   15. PROJECT MODAL
   ----------------------------------------------------------- */
#project-modal {
  display: none;
  position: fixed; inset: 0; z-index: 1000;
  align-items: center; justify-content: center;
  padding: 1rem;
}
#project-modal.open { display: flex; }

#project-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.75);
  animation: mi-fade-in .2s ease;
}

#project-modal-box {
  position: relative; z-index: 1;
  background: #fff;
  border-radius: 1rem;
  width: 100%; max-width: 52rem;
  max-height: 90vh;
  overflow-y: auto;
  animation: mi-slide-up .25s ease;
  box-shadow: 0 24px 64px rgba(0,0,0,.35);
}
html.dark #project-modal-box { background: #1f2937; color: #f9fafb; }

@keyframes mi-fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes mi-slide-up { from { opacity: 0; transform: translateY(2rem); } to { opacity: 1; transform: translateY(0); } }

/* Header */
#project-modal-header {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}
html.dark #project-modal-header { background: #1f2937; border-color: #374151; }

#project-modal-title {
  font-family: var(--font-heading);
  font-size: 1.35rem; font-weight: 700;
  color: #111827; margin: 0;
}
html.dark #project-modal-title { color: #f9fafb; }

#project-modal-close {
  padding: .4rem; border-radius: .5rem;
  color: #6b7280; transition: background .2s;
}
#project-modal-close:hover { background: #f3f4f6; }
#project-modal-close svg { width: 1.5rem; height: 1.5rem; display: block; }
html.dark #project-modal-close:hover { background: #374151; }

/* Body */
#project-modal-body { padding: 1.5rem; }

#project-modal-img-wrap { margin-bottom: 1.5rem; }
#project-modal-img {
  width: 100%; height: 20rem;
  object-fit: cover; border-radius: .75rem;
  display: block;
}

#project-modal-cat-wrap { margin-bottom: 1.5rem; }
#project-modal-cat {
  display: inline-block;
  padding: .4rem 1rem;
  background: var(--color-primary); color: #fff;
  border-radius: 999px; font-size: .875rem; font-weight: 600;
}

/* Sections */
.project-modal-section { margin-bottom: 1.5rem; }
.project-modal-section h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 700;
  color: #111827; margin-bottom: .75rem;
}
html.dark .project-modal-section h3 { color: #f9fafb; }
.project-modal-section p { color: #374151; line-height: 1.75; margin-bottom: .75rem; font-size: .95rem; }
html.dark .project-modal-section p { color: #d1d5db; }

/* Tech pills */
#project-modal-techs { display: flex; flex-wrap: wrap; gap: .5rem; }
.project-modal-tech {
  padding: .4rem 1rem;
  background: #f3f4f6; color: #374151;
  border-radius: .5rem; font-size: .875rem; font-weight: 500;
}
html.dark .project-modal-tech { background: #374151; color: #d1d5db; }

/* Achievements */
.project-modal-achievements { list-style: none; padding: 0; }
.project-modal-achievements li {
  display: flex; align-items: flex-start; gap: .75rem;
  color: #374151; font-size: .95rem; line-height: 1.6;
  padding: .3rem 0;
}
html.dark .project-modal-achievements li { color: #d1d5db; }
.project-modal-achievements li::before {
  content: '';
  width: .5rem; height: .5rem; border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0; margin-top: .5rem;
}

/* Action buttons */
#project-modal-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
  padding-top: .5rem;
}
#project-modal-live {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.5rem;
  background: var(--color-primary); color: #fff;
  border-radius: .5rem; font-weight: 600; font-size: .9rem;
  transition: opacity .2s, transform .2s;
}
#project-modal-live:hover { opacity: .9; transform: scale(1.03); }
#project-modal-live svg { width: 1.1rem; height: 1.1rem; }

#project-modal-close-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.5rem;
  background: #4b5563; color: #fff;
  border-radius: .5rem; font-weight: 600; font-size: .9rem;
  transition: background .2s, transform .2s;
}
#project-modal-close-btn:hover { background: #374151; transform: scale(1.03); }
#project-modal-close-btn svg { width: 1.1rem; height: 1.1rem; }

/* Overlay button on card */
.project-modal-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .6rem 1.4rem;
  background: #fff; color: var(--color-primary);
  border-radius: .5rem; font-weight: 600; font-size: .875rem;
  transition: background .2s, color .2s;
}
.project-modal-btn:hover { background: var(--color-primary); color: #fff; }

/* -----------------------------------------------------------
   PROJECTS — MOBILE PAGINATION (≤600px)
   1 card per page; arrows always visible; bigger touch targets
   ----------------------------------------------------------- */
@media (max-width: 600px) {
  #projects .pagination {
    display: flex !important;
    margin-top: 1.5rem;
    gap: 1rem;
  }
  #projects .pagination-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    flex-shrink: 0;
    transition: background var(--transition), opacity var(--transition), transform var(--transition);
  }
  #projects .pagination-btn svg {
    width: 1.25rem;
    height: 1.25rem;
  }
  #projects .pagination-btn:disabled {
    background: var(--color-border);
    color: var(--color-text-muted);
    opacity: .5;
    cursor: not-allowed;
  }
  #projects .pagination-btn:not(:disabled):active {
    transform: scale(.92);
  }
  #projects .dot        { width: .65rem; height: .65rem; }
  #projects .dot.active { width: 1.6rem; }

  /* Overlay button visible on tap (no hover on mobile) */
  .project-card-overlay .project-modal-btn {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------------------------------
   TOOLS & PLATFORMS — infinite marquee carousel
   ----------------------------------------------------------- */
.tools-section { background: var(--color-bg-alt); overflow: hidden; }

.tools-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: .5rem;
}

/* Marquee wrapper — full viewport width */
.tools-marquee-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: .5rem 0;
  /* Fade edges */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

/* The moving track — wide enough to hold 3 copies side-by-side */
.tools-track {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: max-content;
  animation: toolsScroll 30s linear infinite;
}

/* Pause on hover / focus so users can read the labels */
.tools-marquee-wrap:hover .tools-track,
.tools-marquee-wrap:focus-within .tools-track {
  animation-play-state: paused;
}

@keyframes toolsScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(calc(-100% / 3)); }
}

/* Individual tool pill */
.tools-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
  width: 6rem;
  padding: 1.25rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.tools-item:hover {
  transform: translateY(-.4rem);
  box-shadow: var(--shadow-glow);
}

/* Logo container — fixed size so all logos align */
.tools-logo {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tools-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Dark mode: invert GitHub and OpenAI marks (black → white) */
html.dark .tools-item .tools-logo svg[viewBox="0 0 24 24"] path[fill="#181717"],
html.dark .tools-item .tools-logo svg[viewBox="0 0 24 24"] path[fill="#000"] {
  fill: #f9fafb;
}

.tools-name {
  font-size: .72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}

/* Screen-reader only list */
.tools-sr-list {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .tools-track { animation: none; }
}

/* -----------------------------------------------------------
   PWA — Install & Update Banners
   ----------------------------------------------------------- */
#mi-install-banner,
#mi-update-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 9999;
  width: min(92vw, 28rem);
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: .875rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.45);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
  opacity: 0;
}
#mi-install-banner.mi-install-visible,
#mi-update-banner.mi-install-visible {
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
  opacity: 1;
}
.mi-install-inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1rem;
}
.mi-install-icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: #3b82f6;
  color: #fff;
  font-weight: 800;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -.5px;
}
.mi-install-text {
  flex: 1;
  min-width: 0;
}
.mi-install-text strong {
  display: block;
  color: #f1f5f9;
  font-size: .9rem;
  font-weight: 600;
}
.mi-install-text span {
  display: block;
  color: #94a3b8;
  font-size: .78rem;
  margin-top: .1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mi-install-btn {
  flex-shrink: 0;
  background: #3b82f6;
  color: #fff;
  border: none;
  padding: .45rem 1rem;
  border-radius: .45rem;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.mi-install-btn:hover { background: #2563eb; }
.mi-install-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: #64748b;
  font-size: 1rem;
  cursor: pointer;
  padding: .25rem;
  line-height: 1;
  transition: color .2s;
}
.mi-install-close:hover { color: #f1f5f9; }