:root{
    --black:#000;
    --white:#fff;
    --paper:#f8f8f8;
    --yellow:#FFD93D;
    --pink:#FF6B9D;
    --blue:#4FACFE;
    --green:#41f4a4;
    --lime:#A8E063;
    --grey:#666;
    --grey-2:#999;
  }

  *{margin:0;padding:0;box-sizing:border-box;}

  html{scroll-behavior:smooth; overflow-x:hidden; width:100%;}

  body{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
    background:var(--white);
    color:var(--black);
    overflow-x:hidden;
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
    .stack-section{position:relative !important;}
  }

  h1,h2,h3,h4{
    font-family:'Space Grotesk',-apple-system,sans-serif;
    letter-spacing:-0.01em;
  }

  a{color:inherit;}
  ul{list-style:none;}
  button, input, select, textarea{font-family:inherit;}

  ::selection{background:var(--yellow); color:var(--black);}

  a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
    outline:3px solid var(--black);
    outline-offset:2px;
  }

  /* ================= NAV ================= */
  nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:1.3rem 5%;
    background:var(--white);
    position:fixed;
    top:0; left:0; right:0;
    z-index:2000;
    border-bottom:3px solid var(--black);
  }
  .logo{
    display:flex;
    align-items:center;
    gap:0.6rem;
    font-size:1.4rem;
    font-weight:900;
    font-family:'Space Grotesk',sans-serif;
    letter-spacing:0.02em;
  }
  .logo-icon{
    width:36px; height:36px;
    background:var(--black);
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative;
    flex-shrink:0;
  }
  .logo-icon::before{
    content:'';
    width:16px; height:12px;
    background:var(--yellow);
    border-radius:2px;
  }
  .nav-links{
    display:flex;
    gap:2.4rem;
    align-items:center;
  }
  .nav-links li{
    cursor:pointer;
    font-size:0.9rem;
    text-transform:uppercase;
    letter-spacing:0.08em;
    font-weight:700;
    color:#333;
    transition:color 0.25s ease;
    position:relative;
    padding-bottom:3px;
  }
  .nav-links li::after{
    content:'';
    position:absolute;
    left:0; bottom:0;
    width:0; height:3px;
    background:var(--yellow);
    transition:width 0.25s ease;
  }
  .nav-links li:hover{color:var(--black);}
  .nav-links li:hover::after{width:100%;}

  .nav-cta{
    background:var(--black);
    color:var(--white);
    border:2px solid var(--black);
    padding:0.75rem 1.7rem;
    font-size:0.82rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.06em;
    cursor:pointer;
    transition:all 0.2s ease;
  }
  .nav-cta:hover{background:var(--yellow); color:var(--black); box-shadow:5px 5px 0 var(--black); transform:translate(-2px,-2px);}

  .nav-toggle{
    display:none;
    flex-direction:column;
    gap:5px;
    background:none;
    border:none;
    width:32px; height:32px;
    align-items:center;
    justify-content:center;
  }
  .nav-toggle span{width:22px; height:3px; background:var(--black); border-radius:2px;}

  /* ================= SCROLL STACK MECHANISM ================= */
  /* Each section pins to the viewport top; the following section
     rises over it and fully covers it, so the current section never
     shifts — only the section below it moves. */
  .stack-section{
    position:sticky;
    top:0;
    min-height:100vh;
    min-height:100svh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    border-top:4px solid var(--black);
  }
  #home.stack-section{border-top:none;}

  .stack-section.z1{z-index:1;}
  .stack-section.z2{z-index:2;}
  .stack-section.z3{z-index:3;}
  .stack-section.z4{z-index:4;}

  /* ================= HERO ================= */
  .hero{
    background:var(--paper);
    padding:7rem 5% 3rem;
    position:relative;
    overflow:hidden;
  }
  .star{
    position:absolute;
    font-size:2.6rem;
    opacity:0.15;
    animation:twinkle 3s infinite ease-in-out;
    color:var(--black);
  }
  .star:nth-child(1){top:14%; left:8%; animation-delay:0s;}
  .star:nth-child(2){top:22%; left:88%; animation-delay:0.5s;}
  .star:nth-child(3){top:62%; left:12%; animation-delay:1s;}
  .star:nth-child(4){top:72%; left:82%; animation-delay:1.5s;}
  .star:nth-child(5){top:40%; left:92%; animation-delay:2s;}
  .star:nth-child(6){top:82%; left:26%; animation-delay:2.5s;}
  @keyframes twinkle{
    0%,100%{opacity:0.15; transform:scale(1);}
    50%{opacity:0.32; transform:scale(1.2);}
  }

  .hero-container{
    display:grid;
    grid-template-columns:1.05fr 0.95fr;
    gap:3rem;
    max-width:1400px;
    margin:0 auto;
    width:100%;
    align-items:center;
    position:relative;
    z-index:1;
  }
  .hero-content h1{
    font-size:clamp(2.6rem, 5.4vw, 4.6rem);
    line-height:1.05;
    font-weight:900;
    text-transform:uppercase;
    margin-bottom:1.4rem;
  }
  .highlight{
    background:var(--yellow);
    padding:0 0.9rem;
    display:inline-block;
    box-shadow:6px 6px 0 var(--black);
  }
  .hero-content p{
    font-size:1.08rem;
    color:#333;
    margin-bottom:2.2rem;
    line-height:1.6;
    max-width:480px;
  }
  .hero-cta{
    background:var(--black);
    color:var(--white);
    border:2px solid var(--black);
    padding:1.05rem 2.4rem;
    font-size:0.95rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.06em;
    cursor:pointer;
    transition:all 0.2s ease;
    display:inline-block;
  }
  .hero-cta:hover{
    background:var(--yellow);
    color:var(--black);
    box-shadow:7px 7px 0 var(--black);
    transform:translate(-3px,-3px);
  }

  /* ---- vending machine ---- */
  .vm-container{
    position:relative;
    display:flex;
    justify-content:center;
    align-items:center;
  }
  .floating-elements{position:absolute; width:100%; height:100%; pointer-events:none;}
  .ink-drop{position:absolute; width:26px; height:26px; border-radius:50%; opacity:0.55; animation:inkFloat 4s infinite;}
  .ink-drop:nth-child(1){background:var(--pink); top:8%; right:6%; animation-delay:0s;}
  .ink-drop:nth-child(2){background:var(--blue); top:42%; right:0%; animation-delay:1s;}
  .ink-drop:nth-child(3){background:var(--yellow); top:78%; right:10%; animation-delay:2s;}
  .ink-drop:nth-child(4){background:var(--lime); top:28%; right:18%; animation-delay:3s;}
  @keyframes inkFloat{
    0%,100%{transform:translateY(0) rotate(0deg); opacity:0.55;}
    50%{transform:translateY(-26px) rotate(180deg); opacity:0.25;}
  }

  .vending-machine{
    width:clamp(200px, 62vw, 300px);
    background:linear-gradient(155deg,#2c3e50,#1a252f);
    border-radius:20px;
    padding:16px;
    box-shadow:0 24px 60px rgba(0,0,0,0.3), 0 0 0 3px var(--black);
    animation:float 3.4s ease-in-out infinite;
    margin-left: 0.5rem;
  }
  @keyframes float{
    /* 0%,100%{transform:translateY(0);}
    50%{transform:translateY(-14px);} */
  }
  .vm-header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:2px 6px 14px;
  }
  .vm-buttons{display:flex; gap:8px;}
  .vm-buttons .dot{width:12px; height:12px; border-radius:50%;}
  .vm-buttons .dot:nth-child(1){background:var(--green);}
  .vm-buttons .dot:nth-child(2){background:var(--yellow);}
  .vm-buttons .dot:nth-child(3){background:var(--pink);}
  .vm-screen{
    background:var(--green);
    color:#000;
    font-size:0.65rem;
    font-weight:800;
    letter-spacing:0.05em;
    padding:5px 10px;
    border-radius:4px;
    animation:blink 2s infinite;
  }
  @keyframes blink{0%,100%{opacity:1;} 50%{opacity:0.55;}}

  .vm-window{
    background:rgba(255,255,255,0.06);
    border:2px solid rgba(255,255,255,0.15);
    border-radius:10px;
    padding:12px;
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:8px;
    margin-bottom:12px;
  }
  .vm-slot{
    aspect-ratio:1/1.15;
    border-radius:4px;
    display:flex;
    align-items:flex-end;
    padding:4px;
    position:relative;
    overflow:hidden;
  }
  .vm-slot::before{
    content:'';
    position:absolute;
    inset:3px 3px auto 3px;
    height:60%;
    background:#fff;
    border-radius:2px;
    box-shadow:0 3px 0 rgba(0,0,0,0.12);
  }
  .vm-slot:nth-child(1){background:rgba(255,217,61,0.12);}
  .vm-slot:nth-child(2){background:rgba(79,172,254,0.12);}
  .vm-slot:nth-child(3){background:rgba(255,107,157,0.12);}
  .vm-slot:nth-child(4){background:rgba(168,224,99,0.12);}
  .vm-slot:nth-child(5){background:rgba(255,217,61,0.12);}
  .vm-slot:nth-child(6){background:rgba(79,172,254,0.12);}
  .vm-slot-label{
    font-family:'Space Grotesk',sans-serif;
    font-size:0.55rem;
    font-weight:700;
    color:rgba(255,255,255,0.55);
    position:relative;
    z-index:1;
  }

  .vm-controls{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 4px 14px;
  }
  .vm-keypad{
    display:grid;
    grid-template-columns:repeat(3, 14px);
    gap:5px;
  }
  .vm-keypad span{width:14px; height:14px; background:rgba(255,255,255,0.12); border-radius:3px;}
  .vm-card-slot{
    width:46px; height:8px;
    background:#05070a;
    border-radius:3px;
    position:relative;
    overflow:hidden;
  }
  .vm-card-slot::after{
    content:'';
    position:absolute;
    width:40%; height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation:scan 2.2s infinite;
  }
  @keyframes scan{0%{left:-40%;} 100%{left:100%;}}

  .vm-dispense{
    background:#05070a;
    border-radius:0 0 8px 8px;
    padding:10px;
  }
  .vm-tray-slot{
    width:100%;
    height:7px;
    background:#000;
    border-radius:4px;
    margin-bottom:10px;
  }
  .paper-output{
    width:100%;
    height:120px;
    background:var(--white);
    border-radius:6px;
    box-shadow:0 8px 22px rgba(0,0,0,0.35);
    overflow:hidden;
    animation:printPaper 4s infinite;
  }
  @keyframes printPaper{
    0%,20%{transform:translateY(80%); opacity:0;}
    40%,80%{transform:translateY(0); opacity:1;}
    100%{transform:translateY(-8px); opacity:0;}
  }
  .paper-content{padding:14px;}
  .paper-line{
    width:100%; height:6px;
    background:linear-gradient(90deg, var(--blue), #764ba2);
    margin-bottom:8px;
    border-radius:3px;
  }
  .paper-line:nth-child(2){width:80%;}
  .paper-line:nth-child(3){width:90%;}
  .paper-line:nth-child(4){width:65%;}

  .vm-base{
    width:clamp(214px, 66vw, 320px);
    height:22px;
    background:var(--black);
    border-radius:0 0 10px 10px;
    margin:0 auto;
    box-shadow:0 10px 26px rgba(0,0,0,0.3);
  }

  /* ================= SECTION HEADER (shared) ================= */
  .section-header{
    text-align:center;
    margin-bottom:3.4rem;
  }
  .section-tag{
    display:inline-block;
    background:var(--yellow);
    padding:0.45rem 1.3rem;
    font-size:0.8rem;
    font-weight:800;
    text-transform:uppercase;
    letter-spacing:0.08em;
    margin-bottom:1rem;
    border:2px solid var(--black);
  }
  .section-header h2{
    font-size:clamp(2rem, 4.4vw, 2.8rem);
    font-weight:900;
    margin-bottom:0.8rem;
    text-transform:uppercase;
  }
  .section-header p{font-size:1.05rem; color:var(--grey);}

  /* ================= SERVICES ================= */
  .services{
    background:var(--white);
    padding:5rem 5%;
  }
  .services-inner, .gallery-inner, .contact-inner{
    max-width:1400px;
    margin:0 auto;
    width:100%;
  }
  .services-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
    gap:1.6rem;
  }
  .service-card{
    background:var(--white);
    padding:2.2rem;
    border:2px solid var(--black);
    transition:all 0.25s ease;
    cursor:pointer;
    position:relative;
    overflow:hidden;
  }
  .service-card::before{
    content:'';
    position:absolute;
    top:0; right:0;
    width:0; height:0;
    border-style:solid;
    border-width:0 26px 26px 0;
    border-color:transparent var(--paper) transparent transparent;
    transition:border-color 0.25s ease;
  }
  .service-card:hover::before{border-color:transparent var(--yellow) transparent transparent;}
  .service-card:hover{
    transform:translateY(-8px);
    box-shadow:9px 9px 0 var(--black);
  }
  .service-icon{
    width:64px; height:64px;
    display:flex; align-items:center; justify-content:center;
    margin-bottom:1.3rem;
    font-size:2rem;
    background:var(--paper);
    border:2px solid var(--black);
  }
  .service-card h3{
    font-size:1.25rem;
    font-weight:800;
    margin-bottom:0.8rem;
    text-transform:uppercase;
  }
  .service-card p{color:var(--grey); line-height:1.6; margin-bottom:1.3rem; font-size:0.94rem;}
  .service-link{
    color:var(--black);
    font-weight:700;
    text-decoration:none;
    text-transform:uppercase;
    font-size:0.85rem;
    letter-spacing:0.04em;
    border-bottom:2px solid var(--yellow);
  }

  /* ================= GALLERY / SLIDER ================= */
  .gallery{
    background:var(--paper);
    padding:5rem 0;
  }
  .gallery .section-header{padding:0 5%;}
  .slider-container{
    position:relative;
    max-width:1400px;
    margin:0 auto;
    padding:0 5%;
    overflow:hidden;
  }
  .slider-track{
    display:flex;
    gap:20px;
    width:max-content;
  }
  .slider-card{
    position:relative;
    width:clamp(210px, 68vw, 300px);
    aspect-ratio:3/4;
    border:2px solid var(--black);
    overflow:hidden;
    flex-shrink:0;
    background:var(--white);
  }
  .slider-card .ph-photo{
    width:100%; height:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:repeating-linear-gradient(45deg, #ececec, #ececec 10px, #e2e2e2 10px, #e2e2e2 20px);
    color:var(--grey-2);
    font-size:0.8rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.05em;
    text-align:center;
    padding:1rem;
  }
  .slider-card.cta-card{
    background:linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:2rem;
  }
  .slider-card.cta-card h3{
    color:#fff;
    font-size:1.5rem;
    font-weight:900;
    text-transform:uppercase;
    line-height:1.25;
    text-align:center;
  }
  .slider-card.cta-card .highlight{
    background:var(--yellow);
    color:#000;
    box-shadow:none;
    padding:0.2rem 0.6rem;
  }
  .slider-overlay{
    position:absolute;
    bottom:0; left:0; right:0;
    padding:20px;
    background:linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.65) 55%, transparent 100%);
    color:#fff;
  }
  .slider-overlay h4{font-size:1.05rem; font-weight:800; margin-bottom:4px; text-transform:uppercase;}
  .slider-overlay p{font-size:0.82rem; opacity:0.85;}
  .gallery-note{
    text-align:center;
    font-size:0.82rem;
    color:var(--grey-2);
    margin-top:1.6rem;
    padding:0 5%;
  }

  /* ================= CONTACT ================= */
  .contact{
    background:var(--white);
    padding:5rem 5%;
  }
  .contact-container{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:3.4rem;
    align-items:start;
  }
  .contact-info h2{
    font-size:clamp(1.8rem, 3.6vw, 2.4rem);
    font-weight:900;
    margin-bottom:1.2rem;
    text-transform:uppercase;
  }
  .contact-info > p{color:var(--grey); line-height:1.8; margin-bottom:2.4rem; font-size:1.02rem;}
  .contact-details{display:flex; flex-direction:column; gap:1.6rem;}
  .contact-detail{display:flex; align-items:center; gap:1.2rem;}
  .detail-icon{
    width:52px; height:52px;
    background:var(--yellow);
    border:2px solid var(--black);
    display:flex; align-items:center; justify-content:center;
    font-size:1.3rem;
    flex-shrink:0;
  }
  .contact-detail strong{display:block; font-weight:800; text-transform:uppercase; margin-bottom:0.2rem; font-size:0.84rem; letter-spacing:0.04em;}
  .contact-detail p{color:var(--grey); font-size:0.95rem;}

  .contact-form{
    background:var(--paper);
    padding:2.4rem;
    border:2px solid var(--black);
  }
  .form-group{margin-bottom:1.2rem;}
  .form-group label{display:block; margin-bottom:0.45rem; font-weight:700; text-transform:uppercase; font-size:0.78rem; letter-spacing:0.04em;}
  .form-group input, .form-group select, .form-group textarea{
    width:100%;
    padding:0.85rem;
    border:2px solid var(--black);
    background:var(--white);
    font-size:0.95rem;
    transition:all 0.2s ease;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus{
    outline:none;
    box-shadow:4px 4px 0 var(--yellow);
  }
  .btn-full{
    width:100%;
    padding:1rem;
    border:2px solid var(--black);
    background:var(--black);
    color:var(--white);
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.06em;
    cursor:pointer;
    transition:all 0.2s ease;
  }
  .btn-full:hover{background:var(--yellow); color:var(--black); box-shadow:5px 5px 0 var(--black); transform:translate(-2px,-2px);}
  .form-status{font-size:0.85rem; margin-top:0.8rem; min-height:1.2em;}

  /* ================= FOOTER ================= */
  footer{
    position:relative;
    z-index:5;
    background:var(--black);
    color:var(--white);
    padding:3.6rem 5% 1.6rem;
  }
  .footer-content{
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:3rem;
    max-width:1400px;
    margin:0 auto 2.4rem;
  }
  .footer-brand .logo{color:#fff;}
  .footer-brand .logo-icon{background:#fff;}
  .footer-brand .logo-icon::before{background:var(--black);}
  .footer-brand p{color:var(--grey-2); margin-top:0.8rem;}
  .footer-column h4{font-weight:800; margin-bottom:1.2rem; text-transform:uppercase; letter-spacing:0.06em; font-size:0.9rem;}
  .footer-column a{display:block; color:var(--grey-2); text-decoration:none; margin-bottom:0.8rem; transition:color 0.2s ease; font-size:0.92rem;}
  .footer-column a:hover{color:var(--white);}
  .footer-bottom{
    border-top:1px solid #262626;
    padding-top:1.6rem;
    text-align:center;
    color:#666;
    font-size:0.85rem;
    max-width:1400px;
    margin:0 auto;
  }

  /* ================= REVEAL ================= */
  .reveal{opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}

  /* ================= RESPONSIVE ================= */

  /* Large tablets / small laptops: tighten spacing, keep 2-col hero */
  @media (max-width:1200px){
    .hero-container{gap:2.2rem;}
    .services-grid{gap:1.3rem;}
  }

  /* Tablets: stack hero, single-column layouts */
  @media (max-width:968px){
    .nav-links, .nav-cta{display:none;}
    .nav-toggle{display:flex;}
    .hero{padding:6.5rem 5% 3rem;}
    .hero-container{grid-template-columns:1fr; text-align:center; gap:2.4rem;}
    .hero-content p{margin-left:auto; margin-right:auto;}
    .vm-container{margin-top:1.5rem;}
    .contact-container{grid-template-columns:1fr; gap:2.4rem;}
    .footer-content{grid-template-columns:1fr; text-align:center;}
    .footer-brand .logo{justify-content:center;}
    .footer-column a{margin-left:auto; margin-right:auto;}
  }

  /* Small tablets / large phones */
  @media (max-width:768px){
    .services-grid{grid-template-columns:repeat(2, 1fr);}
    .contact-detail{justify-content:center;}
  }

  /* Phones */
  @media (max-width:600px){
    nav{padding:1rem 5%;}
    .logo{font-size:1.2rem;}
    .logo-icon{width:32px; height:32px;}
    .hero{padding:6rem 5% 2.6rem;}
    .hero-content h1{font-size:clamp(2.1rem, 9vw, 2.6rem);}
    .hero-content p{font-size:1rem;}
    .hero-cta{width:100%; text-align:center;}
    .section-header{margin-bottom:2.4rem;}
    .section-header h2{font-size:1.7rem;}
    .section-header p{font-size:0.95rem;}
    .services, .gallery, .contact{padding:3.6rem 5%;}
    .services-grid{grid-template-columns:1fr; gap:1.2rem;}
    .service-card{padding:1.8rem;}
    .contact-form{padding:1.6rem;}
    .contact-detail{flex-direction:column; text-align:center; gap:0.6rem;}
    .contact-details{align-items:center;}
    .footer-content{gap:2rem;}
    .stack-section{border-top-width:3px;}
  }

  /* Small phones */
  @media (max-width:400px){
    .hero-content h1{font-size:2rem;}
    .highlight{padding:0 0.6rem; box-shadow:4px 4px 0 var(--black);}
    .hero-cta{padding:0.9rem 1.6rem; font-size:0.88rem;}
    .vm-window{gap:6px; padding:9px;}
    .vm-slot-label{font-size:0.5rem;}
    .paper-output{height:96px;}
    .section-tag{font-size:0.72rem; padding:0.4rem 1rem;}
    .contact-form{padding:1.3rem;}
    .form-group input, .form-group select, .form-group textarea{padding:0.7rem;}
  }

  /* Short viewports (landscape phones / small laptops in a browser
     window): the pinned stack effect needs real vertical room to
     work, so relax it here to avoid cramped, jumpy scrolling. */
  @media (max-height:560px) and (max-width:968px){
    .stack-section{position:relative; min-height:auto; padding-top:2.5rem; padding-bottom:2.5rem;}
    .hero{padding-top:6rem;}
  }

  .mobile-menu{
    position:fixed;
    top:64px; left:0; right:0;
    background:var(--white);
    border-bottom:3px solid var(--black);
    display:flex;
    flex-direction:column;
    padding:1.2rem 5%;
    gap:0.4rem;
    z-index:1999;
    transform:translateY(-120%);
    transition:transform 0.3s ease;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
  }
  .mobile-menu.open{transform:translateY(0);}
  .mobile-menu li{
    list-style:none;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.06em;
    font-size:0.95rem;
    cursor:pointer;
    padding:0.7rem 0.2rem;
    border-bottom:1px solid #eee;
  }
  .mobile-menu .nav-cta{display:inline-block; width:fit-content; margin-top:0.6rem;}