:root{
  --bg:hsl(214 30% 8%);
  --fg:hsl(210 30% 96%);
  --card:hsl(214 30% 11%);
  --card-2:hsl(214 28% 14%);
  --primary:hsl(204 80% 50%);
  --primary-glow:hsl(204 90% 65%);
  --primary-fg:hsl(214 40% 8%);
  --muted:hsl(214 15% 62%);
  --border:hsl(214 25% 18%);
  --border-strong:hsl(214 25% 28%);
  --secondary:hsl(214 25% 16%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:'Space Grotesk',system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
h1,h2,h3,h4,h5,h6{font-family:'Inter Tight',sans-serif;letter-spacing:-.02em;line-height:1.05;font-weight:700}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:hsl(214 30% 6%)}
::-webkit-scrollbar-thumb{background:hsl(214 25% 22%);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:hsl(204 60% 40%)}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1024px){.container{padding:0 40px}}

.section-label{display:inline-flex;align-items:center;gap:12px;font-size:11px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--primary)}
.section-label::before,.section-label::after{content:"";height:1px;width:36px;background:hsla(204,80%,50%,.5)}
.center{text-align:center}
.center-label{justify-content:center}
.muted{color:var(--muted)}
.small{font-size:13px}
.bold{font-weight:600}
.text-primary{color:var(--primary)}
.lede{max-width:560px;margin:20px auto 0;color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 28px;font-size:11px;font-weight:600;letter-spacing:.25em;text-transform:uppercase;border-radius:6px;border:1px solid transparent;cursor:pointer;transition:all .2s;font-family:inherit}
.btn-primary{background:var(--primary);color:var(--primary-fg)}
.btn-primary:hover{background:var(--primary-glow)}
.btn-outline{border-color:var(--border-strong);color:var(--fg);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-block{width:100%}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:all .3s;background:transparent}
.nav.scrolled{background:hsla(214,30%,8%,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:48px;width:48px;object-fit:contain}
.brand-text{display:none}
@media(min-width:640px){.brand-text{display:block}}
.brand-name{font-family:'Inter Tight';font-weight:700}
.brand-tag{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:none;gap:40px}
.nav-links a{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;color:hsla(210,30%,96%,.8);transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{display:none}
@media(min-width:768px){.nav-links{display:flex}.nav-cta{display:inline-flex}.menu-btn{display:none}}
.menu-btn{background:none;border:none;color:var(--fg);cursor:pointer;padding:8px}
.mobile-menu{display:none;flex-direction:column;gap:16px;padding:24px;background:hsla(214,30%,8%,.95);backdrop-filter:blur(20px);border-top:1px solid var(--border)}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:13px;letter-spacing:.2em;text-transform:uppercase;padding:8px 0}

/* HERO */
/* HERO with zoom-out and gradients */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  overflow: hidden;
  background: var(--bg);
}
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active {
  opacity: 1;
  z-index: 1;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 7s ease;
}
.hero-slide.active img {
  transform: scale(1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(to right, var(--bg) 0%, hsla(214, 30%, 8%, 0.85) 5%, hsla(214, 30%, 8%, 0.3) 100%),
    linear-gradient(to top, hsla(214, 30%, 8%, 0.9), transparent, hsla(214, 30%, 8%, 0.4));
  z-index: 2;
  pointer-events: none;
}
.hero-lines {
  position: absolute;
  inset: 0;
  display: none;
  justify-content: space-between;
  padding: 0 96px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 2;
}
@media (min-width: 1024px) {
  .hero-lines { display: flex; }
}
.hero-lines span {
  width: 1px;
  background: linear-gradient(to bottom, transparent, hsla(204, 80%, 50%, 0.4), transparent);
}
.hero-badge {
  position: absolute;
  top: 112px;
  right: 40px;
  display: none;
  padding: 12px;
  border-radius: 999px;
  background: hsla(214, 28%, 14%, 0.4);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  z-index: 3;
}
.hero-badge img {
  height: 64px;
  width: 64px;
  object-fit: contain;
}
@media (min-width: 1024px) {
  .hero-badge { display: block; }
}
.hero-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* ... rest of hero content styles remain ... */
.hero-content h1{font-size:clamp(40px,8vw,96px);font-weight:800;margin-top:32px;max-width:900px;transition:opacity .5s}
.hero-content h1 .accent{color:var(--primary)}
.hero-content p{margin-top:28px;max-width:520px;font-size:18px;color:var(--muted)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.hero-controls{position:absolute;bottom:48px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:24px}
.hero-controls button{height:44px;width:44px;display:grid;place-items:center;border:1px solid var(--border-strong);background:transparent;color:var(--fg);cursor:pointer;font-size:20px;transition:all .2s}
.hero-controls button:hover{border-color:var(--primary);color:var(--primary)}
.dots{display:flex;gap:8px;align-items:center}
.dots button{height:2px;border:none;background:var(--border-strong);cursor:pointer;transition:all .3s;padding:0;width:20px;display:block}
.dots button.active{width:40px;background:var(--primary)}
.scroll-indicator{display:none;position:absolute;bottom:48px;right:24px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.scroll-indicator:hover{color:var(--primary)}
@media(min-width:768px){.scroll-indicator{display:block}}

/* SECTIONS */
.section{padding:112px 0}
.section-alt{background:hsla(214,28%,14%,.4);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{font-size:clamp(36px,5vw,60px);margin-top:24px}

/* SERVICES */
.binary{margin-top:80px;display:grid;gap:48px;position:relative}
@media(min-width:1024px){.binary{grid-template-columns:1fr 1fr;gap:0}}
.binary-divider{display:none}
@media(min-width:1024px){.binary-divider{display:block;position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--border)}}
.column{padding:16px;}
@media(min-width:1024px){.column{padding:16px 48px}}
.column h3{font-size:48px;font-weight:700}
.bar{margin-top:12px;height:3px;width:64px;background:var(--primary)}
.column>p{margin-top:24px;max-width:420px}
.cat-list{margin-top:40px}
.cat-list>li>button{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 0;background:none;border:none;border-bottom:1px solid var(--border);text-align:left;color:hsla(210,30%,96%,.85);font-size:18px;font-weight:500;font-family:inherit;cursor:pointer;transition:color .2s}
.cat-list>li>button:hover,.cat-list>li>button.active{color:var(--primary)}
.cat-list>li>button .chev{transition:transform .3s}
.cat-list>li>button.active .chev{transform:rotate(90deg)}
.gallery{display:none;padding-top:32px;animation:fadein .4s ease}
.gallery.open{display:block}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:640px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
.gallery-grid button{aspect-ratio:4/3;border:1px solid var(--border);background:var(--card);overflow:hidden;cursor:pointer;padding:0}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.gallery-grid button:hover img{transform:scale(1.1)}
.gallery .cta{display:inline-flex;align-items:center;gap:8px;margin-top:24px;font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--primary)}

@keyframes fadein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ABOUT */
.about-grid{display:grid;gap:64px;align-items:start}
@media(min-width:1024px){.about-grid{grid-template-columns:1fr 1fr}}
.about-grid p{margin-top:20px;color:var(--muted)}
.about-grid h2{margin-top:24px}
.pillars{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.pillars{grid-template-columns:1fr 1fr}}
.pillar{padding:28px;background:var(--card);border:1px solid var(--border);transition:border-color .2s}
.pillar:hover{border-color:hsla(204,80%,50%,.6)}
.pillar svg{width:28px;height:28px;color:var(--primary)}
.pillar h4{margin-top:24px;font-size:18px}
.pillar p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.6}

/* TESTIMONIALS */
.testimonial-wrap{max-width:800px;margin:64px auto 0}
.testimonial-card{position:relative;padding:56px;background:hsla(214,28%,14%,.5);border:1px solid var(--border);min-height:340px}
@media(max-width:640px){.testimonial-card{padding:32px}}
.quote-icon{width:56px;height:56px;color:hsla(204,80%,50%,.3)}
.testimonial-card p{margin-top:24px;font-size:22px;font-family:'Inter Tight';line-height:1.5;color:var(--fg);transition:opacity .4s}
@media(max-width:640px){.testimonial-card p{font-size:17px}}
.divider{margin-top:40px;height:1px;background:var(--border)}
.t-meta{margin-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.t-author{display:flex;align-items:center;gap:16px}
.avatar{height:48px;width:48px;border-radius:999px;background:hsla(204,80%,50%,.2);color:var(--primary);display:grid;place-items:center;font-weight:600}
.badge{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--primary);border:1px solid hsla(204,80%,50%,.4);padding:8px 16px}
.t-controls{margin-top:32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.t-nav{display:flex;align-items:center;gap:14px}
.t-nav button{height:40px;width:40px;display:grid;place-items:center;border:1px solid var(--border-strong);background:transparent;color:var(--fg);cursor:pointer;font-size:18px;transition:all .2s}
.t-nav button:hover{border-color:var(--primary);color:var(--primary)}

/* CONTACT */
.contact-grid{display:grid;gap:64px}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-grid p{margin-top:24px;color:var(--muted);max-width:420px}
.contact-grid h2{margin-top:24px}
.info-rows{margin-top:48px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.info-row{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--border);transition:color .2s;flex-wrap:wrap;gap:8px}
.info-row:last-child{border-bottom:none}
.info-row span:first-child{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--primary)}
a.info-row:hover{color:var(--primary)}
.contact-form{background:var(--card);border:1px solid var(--border);padding:36px;display:flex;flex-direction:column;gap:22px}
.contact-form label{display:block;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;background:hsl(214 30% 6%);border:1px solid var(--border);padding:14px 16px;color:var(--fg);font-family:inherit;font-size:15px;outline:none;margin-top:8px;transition:border-color .2s;border-radius:0;resize:none}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--primary)}

/* FOOTER */
.footer{background:var(--bg);border-top:1px solid var(--border);padding:80px 0 40px}
.footer-grid{display:grid;gap:48px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
.footer-logo{height:64px;width:64px;object-fit:contain}
.footer-grid p{margin-top:24px;font-size:14px;max-width:280px;line-height:1.7}
.footer h4{font-size:11px;letter-spacing:.3em;text-transform:uppercase;font-weight:600;margin-bottom:24px}
.footer ul li{margin-bottom:12px;color:var(--muted)}
.footer ul li a:hover{color:var(--primary)}
.footer .btn{margin-top:24px}
.footer-bottom{margin-top:64px;padding-top:32px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--muted)}

/* SOCIAL MEDIA ICONS */
.social-icons {display: flex; gap: 15px; justify-content: center; margin-top: 10px;}
.social-icons a {text-decoration: none; font-size: 24px; width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; border-radius: 40%; color: #fff; transition: transform 0.3s ease;}
.social-icons a:hover {transform: scale(1.1);}
.social-icons a.facebook { background-color: #1877F2; }
.social-icons a.twitter { background-color: #1DA1F2; }
.social-icons a.instagram { background: radial-gradient(circle at 30% 107%,  #fdf497 0%, #fdf497 5%, #fd5949 45%,  #d6249f 60%, #285AEB 90%);}
.social-icons a.whatsapp { background-color: #25D366; }
.social-icons a.linkedin { background-color: #0077B5; }
.social-icons a.tiktok {background-color: #000000; color: #fff;}

/* LIGHTBOX */
[hidden]{display:none !important}
/* LIGHTBOX - larger image with overlays */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: hsla(214, 30%, 8%, 0.95);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox img {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.lightbox-title {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  padding: 10px 18px;
  border-radius: 40px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  border-left: 3px solid var(--primary);
  font-family: 'Inter Tight', sans-serif;
  pointer-events: none;
  z-index: 10;
}
.lightbox-desc-overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  max-width: 60%;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--fg);
  border-right: 2px solid var(--primary);
  text-align: right;
  pointer-events: none;
  z-index: 10;
}
.lightbox button {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0,0,0,0.6);
  border: none;
  color: white;
  font-size: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 20;
  transition: background 0.2s;
}
.lightbox button:hover {
  background: var(--primary);
}
@media (max-width: 640px) {
  .lightbox-desc-overlay {
    max-width: 80%;
    font-size: 0.75rem;
    bottom: 12px;
    right: 12px;
    padding: 8px 12px;
  }
  .lightbox-title {
    top: 12px;
    right: 12px;
    font-size: 0.9rem;
    padding: 6px 12px;
  }
}
/* TOAST */
.toast{position:fixed;top:24px;right:24px;z-index:200;background:var(--card-2);border:1px solid var(--border-strong);padding:14px 20px;border-radius:6px;font-size:14px;opacity:0;transform:translateY(-12px);transition:all .3s;pointer-events:none}
.toast.show{opacity:1;transform:none}
.toast.success{border-color:var(--primary)}
.toast.error{border-color:hsl(0 70% 55%)}

/* CHAT */
.chat-fab{position:fixed;z-index:50;bottom:24px;right:24px;height:56px;width:56px;border-radius:999px;background:var(--primary);color:var(--primary-fg);border:none;cursor:pointer;font-size:22px;box-shadow:0 20px 40px -10px hsla(204,80%,50%,.4);transition:background .2s}
.chat-fab:hover{background:var(--primary-glow)}
.chat-panel{position:fixed;z-index:50;bottom:96px;right:24px;width:360px;max-width:calc(100vw - 32px);height:500px;background:var(--card);border:1px solid var(--border-strong);border-radius:8px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 60px -15px rgba(0,0,0,.6);animation:fadein .25s ease}
.chat-head{padding:14px 18px;background:var(--card-2);border-bottom:1px solid var(--border)}
.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-msg{max-width:80%;padding:10px 14px;font-size:14px;border-radius:6px;line-height:1.45}
.chat-msg.bot{background:var(--secondary);align-self:flex-start}
.chat-msg.user{background:var(--primary);color:var(--primary-fg);align-self:flex-end}
.typing{display:flex;gap:5px;padding:14px;background:var(--secondary);align-self:flex-start;border-radius:6px}
.typing span{width:7px;height:7px;background:var(--muted);border-radius:50%;animation:bd 1.2s infinite}
.typing span:nth-child(2){animation-delay:.15s}
.typing span:nth-child(3){animation-delay:.3s}
@keyframes bd{0%,80%,100%{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}
.chat-input input{flex:1;background:var(--bg);border:1px solid var(--border);padding:10px 12px;color:var(--fg);font-family:inherit;font-size:14px;outline:none}
.chat-input input:focus{border-color:var(--primary)}
.chat-input button{height:40px;width:40px;background:var(--primary);color:var(--primary-fg);border:none;cursor:pointer;font-size:14px}
.chat-input button:hover{background:var(--primary-glow)}

/* PROJECT LEDGER – ACCORDION (table‑style rows) */
.projects-accordion {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.2s;
}

.project-header {
  display: grid;
  grid-template-columns: 80px 1fr 160px 100px 120px 40px;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  cursor: pointer;
  background: var(--card);
  transition: background 0.2s;
}
@media (max-width: 900px) {
  .project-header {
    grid-template-columns: 60px 1fr 140px 80px 100px 32px;
    gap: 12px;
    padding: 14px 20px;
  }
}
@media (max-width: 700px) {
  .project-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .project-header > * {
    flex: 1 1 auto;
  }
}

.project-header:hover {
  background: var(--card-2);
}

.project-number {
  font-family: monospace;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--primary);
}

.project-name {
  font-weight: 600;
  font-size: 1rem;
}

.project-category {
  background: hsla(204,80%,50%,0.12);
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  width: fit-content;
}

.project-year, .project-location {
  font-size: 0.85rem;
  color: var(--muted);
}

.project-chevron {
  justify-self: end;
  font-size: 1.3rem;
  transition: transform 0.3s;
  color: var(--primary);
}

.project-item.open .project-chevron {
  transform: rotate(90deg);
}

.project-detail {
  display: none;
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--border);
  background: var(--card-2);
}

.project-item.open .project-detail {
  display: block;
  animation: fadein 0.25s ease;
}

.project-description {
  margin: 16px 0 20px 0;
  line-height: 1.55;
  color: var(--fg);
  font-size: 0.95rem;
}

.project-image-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin: 20px 0 24px 0;
  scrollbar-width: thin;
}
.project-image-strip img {
  height: 100px;
  width: auto;
  min-width: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: default;
  transition: none;
}
.project-image-strip img:hover {
  transform: none;
  opacity: 1;
}

.view-details-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--primary);
  padding: 8px 20px;
  border-radius: 40px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
}

.view-details-btn:hover {
  background: var(--primary);
  color: var(--primary-fg);
}