/* Techkrates Labs - minimal, fast, responsive */

:root{
  --bg: #efefe9;           /* warm light */
  --bg2: #f7f6f2;
  --surface: #ffffff;
  --text: #111214;
  --muted: #5b5f66;
  --border: rgba(17,18,20,.12);
  --shadow: 0 14px 40px rgba(17,18,20,.10);

  --accent: #b89a5b;       /* warm gold */
  --accent2: #0f172a;      /* slate */
  --whatsapp: #25d366;

  --radius: 18px;
  --maxw: 1080px;

  --nav-bg-1: rgba(184,154,91,.30);
  --nav-bg-2: rgba(184,154,91,.20);
}

[data-theme="dark"]{
  --bg: #070b14;           /* navy */
  --bg2: #0b1222;
  --surface: #12151b;
  --text: #f1f3f6;
  --muted: #b6bcc7;
  --border: rgba(241,243,246,.12);
  --shadow: 0 18px 50px rgba(0,0,0,.45);

  --accent: #caa85f;
  --accent2: #e8edf7;

  --nav-bg-1: rgba(202,168,95,.18);
  --nav-bg-2: rgba(202,168,95,.12);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  color: var(--text);
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 500px at 15% 10%, rgba(184,154,91,.18), transparent 60%),
    radial-gradient(900px 450px at 85% 20%, rgba(184,154,91,.12), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  background-attachment: fixed;
}
body::before{
  content:"";
  position: fixed;
  inset:0;
  background-image: url("assets/pattern.svg");
  background-repeat: repeat;
  background-size: 320px 320px;
  opacity: .55;
  pointer-events:none;
  mix-blend-mode: multiply;
}
[data-theme="dark"] body::before{ opacity:.35; mix-blend-mode: screen; }

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(var(--maxw), calc(100% - 40px));
  margin: 0 auto;
}

header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, var(--nav-bg-1), var(--nav-bg-2));
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
}
.navbar{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .2px;
}
.brand img{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

nav ul{
  display:flex;
  gap: 14px;
  list-style:none;
  padding:0;
  margin:0;
  align-items:center;
}
nav a{
  display:inline-flex;
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 700;
  color: var(--accent2);
}
nav a:hover{
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  text-decoration:none;
}

.nav-actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

.icon-btn{
  width: 40px;
  height: 40px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
  cursor:pointer;
}
.icon-btn:focus{ outline: 3px solid rgba(184,154,91,.35); outline-offset: 2px; }

#theme-toggle{
  position: relative;
  color: color-mix(in srgb, var(--text) 88%, var(--accent));
  font-size: 0; /* hide fallback glyph */
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}
#theme-toggle::before{
  content:"";
  width: 20px;
  height: 20px;
  display:block;
  background: currentColor;
  mask: url("data:image/svg+xml;utf8,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><g fill='black'><circle cx='12' cy='12' r='4.25'/><rect x='11' y='1.6' width='2' height='4.6' rx='1'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(45 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(90 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(135 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(180 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(225 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(270 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(315 12 12)'/></g></svg>") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><g fill='black'><circle cx='12' cy='12' r='4.25'/><rect x='11' y='1.6' width='2' height='4.6' rx='1'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(45 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(90 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(135 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(180 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(225 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(270 12 12)'/><rect x='11' y='1.6' width='2' height='4.6' rx='1' transform='rotate(315 12 12)'/></g></svg>") center / contain no-repeat;
}
[data-theme="dark"] #theme-toggle{
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: color-mix(in srgb, var(--accent2) 78%, var(--accent));
}
[data-theme="dark"] #theme-toggle::before{
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><mask id='cut'><rect width='24' height='24' fill='white'/><circle cx='16' cy='12' r='7' fill='black'/></mask><circle cx='12' cy='12' r='9' fill='white' mask='url(%23cut)'/></svg>");
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><mask id='cut'><rect width='24' height='24' fill='white'/><circle cx='16' cy='12' r='7' fill='black'/></mask><circle cx='12' cy='12' r='9' fill='white' mask='url(%23cut)'/></svg>");
}

.lang{
  display:flex;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  padding: 6px;
  border-radius: 999px;
  gap: 6px;
}
.lang a{
  width: 42px;
  height: 32px;
  display:grid;
  place-items:center;
  border-radius: 999px;
  border: 1px solid transparent;
}
.lang a.active{
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.lang img{
  display:block;
  width: 24px;
  height: 16px;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--border);
}

.mobile-toggle{
  display:none;
  font-size: 0;
  color: color-mix(in srgb, var(--text) 88%, var(--accent));
}
.mobile-toggle::before{
  content:"";
  width: 18px;
  height: 14px;
  display:block;
  background: currentColor;
  mask: url("data:image/svg+xml;utf8,<svg viewBox='0 0 20 14' xmlns='http://www.w3.org/2000/svg'><rect x='1' y='1' width='18' height='2' rx='1' fill='currentColor'/><rect x='1' y='6' width='18' height='2' rx='1' fill='currentColor'/><rect x='1' y='11' width='18' height='2' rx='1' fill='currentColor'/></svg>") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg viewBox='0 0 20 14' xmlns='http://www.w3.org/2000/svg'><rect x='1' y='1' width='18' height='2' rx='1' fill='currentColor'/><rect x='1' y='6' width='18' height='2' rx='1' fill='currentColor'/><rect x='1' y='11' width='18' height='2' rx='1' fill='currentColor'/></svg>") center / contain no-repeat;
}
[data-theme="dark"] .mobile-toggle{
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: color-mix(in srgb, var(--accent2) 80%, var(--accent));
}

main{ padding: 44px 0 70px; position: relative; }
.section{ padding: 56px 0; position: relative; }
.section h2{
  margin:0 0 10px;
  font-size: clamp(22px, 2.2vw, 30px);
}
.section p.lead{
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 72ch;
}

.hero{
  padding-top: 30px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: start;
}
.card{
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  min-width: 0;
}
.hero h1{
  margin: 0 0 10px;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.6px;
}
.hero .sub{
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 72ch;
}
.hero .lead{
  font-size: 14px;
  line-height: 1.6;
}
.pills{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  color: color-mix(in srgb, var(--text) 80%, var(--muted));
  font-weight: 600;
  font-size: 14px;
}
.hero-meta{
  margin: 10px 0 0;
  color: var(--muted);
}
.hero .btn-row + .hero-meta{
  margin-top: 16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent) 28%, var(--surface));
  color: var(--accent2);
  font-weight: 800;
  cursor:pointer;
  text-decoration:none;
  max-width: 100%;
  min-width: 0;
  text-align: center;
  white-space: normal;
}
.btn:hover{ text-decoration:none; filter: brightness(1.02); }
.btn.secondary{
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  font-weight: 800;
}
.btn.premium{
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 45%, var(--surface)),
    color-mix(in srgb, var(--accent) 80%, var(--surface)));
  border-color: color-mix(in srgb, var(--accent) 75%, var(--border));
  box-shadow: 0 14px 26px rgba(17,18,20,.18);
}
.whatsapp-btn{
  background: color-mix(in srgb, var(--whatsapp) 16%, var(--surface));
  border-color: color-mix(in srgb, var(--whatsapp) 55%, var(--border));
  color: color-mix(in srgb, var(--text) 90%, var(--whatsapp));
}
.btn svg{
  width: 16px;
  height: 16px;
  display: block;
}
.btn-row .btn{
  min-width: 190px;
}
.btn-row{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.btn-row.center{
  justify-content:center;
}
.cta-row{
  margin-top: 2px;
  text-align:center;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.col-6{ grid-column: span 6; }
.col-12{ grid-column: span 12; }

.card h3{
  margin:0 0 8px;
  font-size: 18px;
}
.card p{ margin: 0 0 10px; color: var(--muted); line-height: 1.6; }
.card ul{ margin: 8px 0 0 18px; color: var(--muted); }
.card li{ margin: 6px 0; }
.service-card{
  display:flex;
  flex-direction: column;
  height: 100%;
}
.service-actions{
  margin-top: auto;
  padding-top: 12px;
  width: 100%;
}
.service-tier{
  display: inline-block;
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent2) 70%, var(--muted));
}
.service-tier.primary{
  color: color-mix(in srgb, var(--accent2) 85%, var(--accent));
}
.service-tier.specialist{
  color: color-mix(in srgb, var(--muted) 80%, var(--accent));
}
.entry-card{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}
.accent-card{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}
.cta-card{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
}

details{
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
summary{
  cursor:pointer;
  font-weight: 800;
  list-style: none;
}
summary::-webkit-details-marker{ display:none; }
summary::after{
  content:"\25BE";
  float:right;
  opacity:.75;
}
details[open] summary::after{ content:"\25B4"; }

.profile{
  display:flex;
  gap: 18px;
  align-items:flex-start;
}
.avatar{
  width: 120px;
  height: 120px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}
.kv{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}
.kv-full{
  grid-column: 1 / -1;
}
.kv h4{ margin: 0 0 6px; }
.small{ font-size: 14px; }
.about-list{
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 900px){
  #about .profile{ flex-direction: column; }
  #about .profile > div{ width: 100%; }
}
[data-theme="dark"] .btn{
  background: color-mix(in srgb, var(--accent) 36%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  color: var(--accent2);
}
[data-theme="dark"] .btn.secondary{
  background: color-mix(in srgb, var(--accent) 22%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent2);
}
[data-theme="dark"] .btn.premium{
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 40%, var(--surface)),
    color-mix(in srgb, var(--accent) 75%, var(--surface)));
  border-color: color-mix(in srgb, var(--accent) 78%, var(--border));
  color: var(--accent2);
  box-shadow: 0 16px 28px rgba(0,0,0,.35);
}
[data-theme="dark"] .whatsapp-btn{
  background: color-mix(in srgb, var(--whatsapp) 24%, var(--surface));
  border-color: color-mix(in srgb, var(--whatsapp) 60%, var(--border));
  color: var(--text);
}

.form{
  display:grid;
  gap: 10px;
}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  color: var(--text);
  font: inherit;
}
textarea{ min-height: 110px; resize: vertical; }

footer{
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

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

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .mobile-toggle{ display:grid; order: 0; }
  nav{ display:none; order: 3; }
  nav.open{ display:block; width:100%; }
  nav ul{ flex-direction: column; align-items:flex-start; padding: 10px 0; }
  .navbar{ flex-wrap: wrap; justify-content: flex-start; }
  .brand{ flex: 0 1 auto; order: 1; }
  .nav-actions{ order: 2; margin-left: auto; }
}

@media (max-width: 720px){
  .grid{ grid-template-columns: 1fr; }
  .col-6, .col-12{ grid-column: 1 / -1; }
  .pills{ flex-direction: column; align-items:flex-start; }
  .btn-row{ justify-content:center; }
  .cta-row{ text-align:center; }
  .kv{ grid-template-columns: 1fr; }
  .card, .btn, .pill, .about-list{ overflow-wrap: anywhere; hyphens: auto; }
}

@media (max-width: 560px){
  .navbar{ gap: 8px; padding: 10px 0; }
  .brand{ gap: 10px; min-width: 0; }
  .brand img{ width: 30px; height: 30px; }
  .brand span{ font-size: 16px; white-space: nowrap; }
  .nav-actions{ gap: 6px; }
  .icon-btn{ width: 36px; height: 36px; }
  .lang{ padding: 4px; gap: 4px; }
  .lang a{ width: 36px; height: 28px; }
  .lang img{ width: 20px; height: 14px; }
}