/* =====================================================
   I6 LABS — DESIGN 
===================================================== */
:root{
  --bg:                 #131313;
  --bg-lowest:           #0e0e0e;
  --surface-low:         #1c1b1b;
  --surface:             #201f1f;
  --surface-high:        #2a2a2a;

  --text:                #e5e2e1;
  --text-muted:          #b9cacb;

  --border:              #3b494b;
  --border-soft:         rgba(59,73,75,0.5);

  --cyan:                #0A66C2;   /* primary accent — buttons, links, focus */
  --cyan-bright:         #378FE9;   /* pill / badge background */
  --on-cyan:             #ffffff;   /* text on solid cyan button */
  --on-cyan-pill:         #ffffff;   /* text on bright cyan pill */

  --violet:              #0A66C2;   /* secondary accent */
  --violet-soft:          #5B9BD5;   /* light lavender accent */

  --yellow:              #fed639;
  --red:                 #ffb4ab;

  --white:               #ffffff;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --header-h: 80px;
  --header-h-mobile: 64px;
  --max-width: 1280px;
  --gutter-mobile: 20px;
  --gutter-desktop: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
}

/* =====================================================
   RESET & BASE
===================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

img{ display: block; max-width: 100%; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, dl, dd{ margin: 0; }
button{ font: inherit; cursor: pointer; background: none; border: none; }

.container{
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter-mobile);
}
@media (min-width: 1024px){
  .container{ padding: 0 var(--gutter-desktop); }
}

.material-symbols-outlined{
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  line-height: 1;
}

.section-title{
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 16ch;
  margin-bottom: 16px;
}
.section-text{
  font-size: 18px;
  color: var(--text-muted);
  max-width: 56ch;
}

/* =====================================================
   BUTTONS
===================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn .material-symbols-outlined{ font-size: 18px; }

.btn-primary{
  background: var(--cyan);
  color: var(--on-cyan);
}
.btn-primary:hover{ background: #7DD3FC;
  box-shadow: 0 0 20px rgba(56,189,248,0.35); }

.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover{ border-color: var(--cyan); color: var(--cyan); }

.btn-pill{
  background: var(--cyan);
  color: var(--on-cyan-pill);
  border-radius: var(--radius-full);
}
.btn-pill:hover{ background: #7DD3FC;
  color: #001F2B; }

.btn-block{ width: 100%; }

/* =====================================================
   HEADER
===================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h-mobile);
  background: rgba(19,19,19,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.15);
}
@media (min-width: 1024px){
  .site-header{ height: var(--header-h); }
}

.header-inner{
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 1024px){
  .header-inner{ padding: 0 var(--gutter-desktop); }
}

.logo{ display: flex; align-items: center; gap: 10px; }
.logo-badge{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.45);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--cyan-bright);
}
.logo-word{
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: var(--cyan);
}
.logo-i6{
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.logo-labs{
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.nav-desktop{ display: none; align-items: center; gap: 32px; }
@media (min-width: 900px){
  .nav-desktop{ display: flex; }
}
.nav-link{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.nav-link:hover{ color: var(--cyan); }

.menu-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
@media (min-width: 900px){
  .menu-toggle{ display: none; }
}
.menu-toggle span{
  display: block;
  height: 2px;
  margin: 0 9px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2){ opacity: 0; }
.menu-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.nav-mobile{
  display: none;
  position: fixed;
  top: var(--header-h-mobile); left: 0; right: 0; bottom: 0;
  background: var(--bg-lowest);
  padding: 32px var(--gutter-mobile);
  flex-direction: column;
  gap: 22px;
  z-index: 99;
}
.nav-mobile.is-open{ display: flex; }
.nav-link-mobile{
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-soft);
}
@media (min-width: 900px){
  .nav-mobile{ display: none !important; }
}

/* =====================================================
   HERO
===================================================== */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-h-mobile);
  overflow: hidden;
}
@media (min-width: 1024px){
  .hero{ padding-top: var(--header-h); }
}

.hero-media{ position: absolute; inset: 0; z-index: 0; }
.hero-media img{
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: grayscale(0.4);
}
.hero-overlay{
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(19,19,19,0.8), rgba(19,19,19,0.5) 40%, var(--bg) 100%),
    linear-gradient(to right, var(--bg), transparent 40%, transparent 60%, var(--bg));
}

.hero-content{
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter-mobile);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
}
@media (min-width: 1024px){
  .hero-content{ padding: 0 var(--gutter-desktop); }
}

.hero-title{
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
}
.text-accent{
  background: linear-gradient(to right, var(--cyan), var(--cyan-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  font-size: 18px;
  color: var(--text-muted);
  max-width: 52ch;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 16px; }

/* =====================================================
   ABOUT
===================================================== */
.about{ padding: 96px 0; }

.about-grid{
  display: grid;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}
@media (min-width: 1024px){
  .about-grid{ grid-template-columns: 5fr 6fr; gap: 64px; }
}

.stat-row{ display: flex; gap: 40px; margin-top: 32px; flex-wrap: wrap; }
.stat{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid rgba(0,219,233,0.3);
}
.stat-num{ font-size: 24px; font-weight: 600; color: var(--cyan); }
.stat-label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.media-frame{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-low);
  aspect-ratio: 4 / 3;
}
.media-chrome{
  position: absolute; top: 0; left: 0; right: 0;
  height: 32px;
  background: var(--surface-high);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  z-index: 2;
}
.media-chrome span{ width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.media-chrome span:nth-child(1){ background: var(--red); }
.media-chrome span:nth-child(2){ background: var(--yellow); }
.media-chrome span:nth-child(3){ background: var(--cyan); }
.media-frame img{
  position: absolute; inset: 0;
  top: 32px; height: calc(100% - 32px);
  width: 100%; object-fit: cover;
}

.value-grid{
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px){
  .value-grid{ grid-template-columns: repeat(3, 1fr); }
}
.value-card{
  padding: 32px;
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s ease;
}
.value-card:hover{ border-color: var(--cyan); }
.value-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--cyan);
  font-size: 24px;
  margin-bottom: 20px;
}
.value-card h3{ font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.value-card p{ color: var(--text-muted); font-size: 15px; }

/* =====================================================
   PRODUCTS
===================================================== */
.products{ padding: 96px 0; background: var(--bg); }

.products-head{
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 28px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-soft);
}
.products-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  transition: color 0.2s ease;
}
.products-link:hover{ color: var(--cyan-bright); }
.products-link .material-symbols-outlined{ font-size: 16px; }

.product-grid{
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  margin-bottom: 40px;
}
@media (min-width: 640px){
  .product-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px){
  .product-grid{ grid-template-columns: repeat(3, 1fr); }
}

.product-card{
  padding: 30px;
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.product-card:hover{ border-color: var(--border); background: var(--surface); }
.product-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--cyan);
  margin-bottom: 20px;
}
.product-card h4{ font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.product-card p{ color: var(--text-muted); font-size: 14.5px; margin-bottom: 18px; }
.tag-list{ display: flex; flex-direction: column; gap: 8px; }
.tag-list li{
  position: relative;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.tag-list li::before{
  content: '';
  position: absolute; left: 0; top: 6px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
}

.visual-break{
  position: relative;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
@media (min-width: 700px){
  .visual-break{ height: 380px; }
}
.visual-break img{ width: 100%; height: 100%; object-fit: cover; }
.visual-break-overlay{
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, transparent 55%);
}

/* =====================================================
   CONTACT
===================================================== */
.contact{ padding: 96px 0; background: var(--bg); }
.contact-grid{
  display: grid;
  gap: 48px;
}
@media (min-width: 900px){
  .contact-grid{ grid-template-columns: 1fr 1fr; gap: 80px; }
}

.contact-info .section-text{ margin: 16px 0 32px; }
.contact-details{ display: flex; flex-direction: column; gap: 22px; }
.contact-details dt{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}
.contact-details dt .material-symbols-outlined{ color: var(--cyan); font-size: 20px; }
.contact-details dd{ color: var(--text-muted); font-size: 16px; }
.contact-details a:hover{ color: var(--cyan); }

.contact-form{
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  border-radius: var(--radius-lg);
  padding: 34px;
  position: relative;
  overflow: hidden;
}
.contact-form::before{
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--cyan), var(--violet-soft), transparent);
}
.form-row{ display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-row label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-row input, .form-row textarea{
  background: var(--surface-low);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  resize: vertical;
  transition: border-color 0.2s ease;
}
.form-row input::placeholder, .form-row textarea::placeholder{ color: var(--border); }
.form-row input:focus, .form-row textarea:focus{
  outline: none;
  border-color: var(--cyan);
}
.form-note{
  margin-top: 14px;
  min-height: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--white);
}
.form-note.is-error{ color: var(--red); }

/* =====================================================
   FOOTER
===================================================== */
.site-footer{ background: var(--bg); padding: 72px 0 32px; border-top: 1px solid rgba(59,73,75,0.25); }
.footer-inner{
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
  padding-bottom: 56px;
}
@media (min-width: 700px){
  .footer-inner{ grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand p{
  margin-top: 18px;
  max-width: 32ch;
  color: var(--text-muted);
  font-size: 15px;
}

.footer-col h4{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col a, .footer-col span{
  display: block;
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 10px;
}
.footer-col a:hover{ color: var(--cyan); }

.social-icons{ display: flex; gap: 16px; }
.social-icons .material-symbols-outlined{
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s ease;
}
.social-icons .material-symbols-outlined:hover{ color: var(--cyan); }

.footer-bottom{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}