/* Clean layout matching the mock: bordered grid, red hover accents, brand badge, bottom nav */


@font-face {
  font-family: 'NBInternationalProCG';
  /* The .woff2, .woff, and .ttf files must all share the same file name, 
     e.g., nbinternationalprocg-regular-webfont.woff2 */
  src: url('assets/fonts/nb/nbinternationalprocg-regular-webfont.woff2') format('woff2'),
       url('assets/fonts/nb/nbinternationalprocg-regular-webfont.woff') format('woff'),
       url('assets/fonts/nb/nbinternationalprocg-regular-webfont.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'NBInternationalProCG';
  src: url('assets/fonts/nb/nbinternationalprocg-bold-webfont.woff2') format('woff2'),
       url('assets/fonts/nb/nbinternationalprocg-bold-webfont.woff') format('woff'),
       url('assets/fonts/nb/nbinternationalprocg-bold-webfont.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}

:root{
  --ink:#000;
  --bg:#fff;
  --red:#ef3c24; /* accent + hover color */
    --border-width:1px;
}

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

html,body{ height:95%; }

body{
  background:var(--bg);
  color:var(--ink);
  font-family: 'NBInternationalProCG', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height:1;
}

.bottom-nav{  font-family: 'NBInternationalProCG', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Chat bar (inspired by publicai.co/chat) */
.chat-bar{
  margin-bottom: 20px;
}

.chat-form{
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 2px solid var(--ink);
  border-radius: 24px;
  padding: 4px 4px 4px 20px;
  transition: border-color .2s ease;
}

.chat-form:focus-within{
  border-color: var(--red);
}

.chat-input{
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: 'NBInternationalProCG', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 16px;
  padding: 12px 8px;
  color: var(--ink);
}

.chat-input::placeholder{
  color: #999;
}

.chat-submit{
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: background-color .2s ease, transform .1s ease;
  flex-shrink: 0;
}

.chat-submit:hover{
  background: var(--red);
  transform: scale(1.05);
}

.chat-submit:active{
  transform: scale(0.95);
}

.chat-submit svg{
  width: 20px;
  height: 20px;
}
.page{
  max-width:1180px;
  margin:40px auto;
  padding:0 16px;
}

/* Top brand */
.brand{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }

.brand-badge a{ display:inline-block; text-decoration:none; }

.brand-mark{ display:inline-block; width:20%; background:none; border-radius:2px; }

/* Top navigation */
.top-nav{ position:relative; }

.nav-toggle{ display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:8px; z-index:1001; }

.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); transition:all 0.3s ease; }

.nav-menu{ display:flex; list-style:none; margin:0; padding:0; gap:32px; align-items:center; }

.nav-menu li{ margin:0; }

.nav-menu a{ 
  color:var(--ink); 
  text-decoration:none; 
  font-weight:700; 
  font-size:clamp(16px, 1.5vw, 18px); 
  letter-spacing:0.02em; 
  transition:color 0.2s ease;
  padding:8px 0;
  position:relative;
}

.nav-menu a:hover{ 
  color:var(--red); 
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 0.2s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

/* Mobile navigation */
@media (max-width: 720px){
  .nav-toggle{ display:flex; }
  
  .nav-menu{ 
    position:fixed; 
    top:0; 
    right:-100%; 
    width:250px; 
    height:100vh; 
    background:var(--bg); 
    flex-direction:column; 
    align-items:flex-start; 
    padding:80px 24px 24px; 
    gap:0; 
    box-shadow:-2px 0 8px rgba(0,0,0,0.1); 
    transition:right 0.3s ease; 
    z-index:1000; 
  }
  
  .nav-menu.active{ right:0; }
  
  .nav-menu li{ width:100%; padding:16px 0; border-bottom:1px solid #eee; }
  
  .nav-menu a{ 
    font-size:18px; 
    padding:4px 0;
  }
  
  .nav-menu a::after {
    display: none;
  }
  
  .nav-toggle.active span:nth-child(1){ transform:rotate(45deg) translate(6px, 6px); }
  .nav-toggle.active span:nth-child(2){ opacity:0; }
  .nav-toggle.active span:nth-child(3){ transform:rotate(-45deg) translate(6px, -6px); }
}


/* Framed content (Mondrian-style outer border and inner lines via gap) */
.frame{ 
  background:var(--ink); 
  border: 1px solid var(--ink); 
  padding: var(--border-width);
  box-sizing: border-box;
}

/* Grid */
.services-grid{
  display:grid;
  grid-template-columns: repeat(14, 1fr);
  grid-auto-rows: 100px; /* base unit */
    gap: var(--border-width);
  grid-auto-flow: dense; /* back-fill gaps: no empty spaces */
}

.service-card{
  position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; color:var(--ink); text-decoration:none;
  background: var(--bg);
  padding:16px; transition: color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

/* Borders are created by the grid gap; no per-card borders needed */

/* Mondrian spans on desktop (dense packing avoids gaps) */
.card--replit{ grid-column: span 4; grid-row: span 2; }
.card--chatbot{ grid-column: span 6; grid-row: span 2; }
.card--midjourney{ grid-column: span 6; grid-row: span 2; }
.card--suno{ grid-column: span 4; grid-row: span 2; }
.card--edison{ grid-column: span 8; grid-row: span 2; }
.card--runway{ grid-column: span 5; grid-row: span 2; }
.card--presentations{ grid-column: span 6; grid-row: span 2; }
/* New bottom row cards */
.card--datasets{ grid-column: span 9; grid-row: span 2; }
.card--feature{ grid-column: span 3; grid-row: span 2; }

/* Typography */
.service-title{ margin:0 0 8px 0; font-size: clamp(36px, 5vw, 64px); font-weight:800; letter-spacing:.2px; }
.service-title--xl{ font-size: clamp(42px, 6vw, 80px); }

/* Text container to prevent layout shift */
.service-desc, 
.service-desc-current{
  margin:0; 
  max-width:26ch; 
  font-size:14px; 
  line-height: 1.4;
}

.service-desc{ 
  display:block; 
}

.service-desc-current{
  display:none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(50px, 3vw, 28px);
  font-weight: 700;
  z-index: 2;
  white-space: nowrap;
}

/* Emoji marker above titles */
.service-emoji{ display:block; font-size:32px; line-height:1; margin-bottom:8px; }

/* Hover interactions: red accent with blur */
.service-card:hover, .service-card:focus-visible{
  outline:0; background:var(--red); color: var(--bg); border-color:var(--red);
}

/* On hover: blur the content and show current service name */
.service-card:hover .service-title,
.service-card:focus-visible .service-title,
.service-card:hover .service-desc,
.service-card:focus-visible .service-desc{
  filter: blur(10px);
  opacity: 100%;
}

.service-card:hover .service-desc-current,
.service-card:focus-visible .service-desc-current{
  display: block;
}

/* Bottom nav */
.bottom-nav{
  /* was: border-top:var(--border) solid var(--bg); padding:10px 12px; */
  background: var(--bg);      /* make the bar white */
  color: var(--ink);          /* text back to black */
  margin-top: var(--border-width);  /* black rule above (from frame background) */
  border-top: 1px  solid var(--ink);
  padding: 12px 16px;
}
.bottom-nav ul{ list-style:none; margin:0; padding:0; display:flex; gap:28px; justify-content:center; font-weight:700; }
.bottom-nav a{ color:var(--ink); text-decoration:none; }
.bottom-nav a:hover{ color: var(--red); }
.bottom-nav li.active a{ color: var(--red); position:relative; }

/* remove this old rule that forced the bar to look black */
.bottom-nav {color: var(--bg);}
/* Content pages */
.content-page {
  background: var(--bg);
  padding: 40px;
  min-height: 400px;
}

.content-page h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

.content-section {
  margin-bottom: 32px;
}

.content-section h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--red);
}

.content-section h3 {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  margin-bottom: 8px;
  margin-top: 20px;
}

.content-section p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--ink);
}

.content-section ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

.content-section li {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.content-section strong {
  font-weight: 700;
}

.content-page img {
  max-width: min(50%, 600px);
  width: 100%;
  height: auto;
  display: block;
  margin: 24px auto;
}

@media (max-width: 720px) {
  .content-page img {
    max-width: min(85%, 400px);
  }
}

/* FAQ specific styles */
.faq-section {
  margin-bottom: 40px;
}

.faq-item {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  color: var(--ink);
  margin-top: 0;
}

/* Footer */
.footer{ 
  text-align:center; 
  color:#ffffff; 
  margin-top:12px; 
  font-size:14px; 
  padding: 20px 0;
}

.footer-logo {
  display: inline-block;
  margin: 16px auto 0;
  max-width: 200px;
  transition: opacity 0.2s ease;
}

.footer-logo:hover {
  opacity: 0.8;
}

.footer-logo img {
  width: 100%;
  height: auto;
  max-width: 200px;
  display: block;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 1100px){
  .services-grid{ grid-template-columns: repeat(8, 1fr); grid-auto-rows: 100px; }
  .card--replit, .card--chatbot, .card--midjourney, .card--suno, .card--runway, .card--datasets, .card--feature{ grid-column: span 4; grid-row: span 3; }
  .card--edison{ grid-column: span 8; grid-row: span 4; }
  .card--presentations{ grid-column: span 8; grid-row: span 3; }
}

@media (max-width: 720px){
  .services-grid{ grid-template-columns: repeat(2, 1fr); grid-auto-rows: 110px; }
  .card--replit, .card--chatbot, .card--midjourney, .card--suno, .card--runway, .card--presentations, .card--datasets, .card--feature{ grid-column: span 2; grid-row: span 2; }
  .card--edison{ grid-column: span 2; grid-row: span 3; }
  .service-title--xl{ font-size: clamp(32px, 10vw, 64px); }
}