/*
Theme Name: VKR — IT & Marketing
Description: Simple, modern one-page landing theme for an IT and marketing company. Works on any standard hosting (Windows/IIS or Linux) — plain PHP, no build tools.
Version: 2.0
Requires at least: 5.9
Requires PHP: 7.4
Text Domain: vkr
*/

:root{
  --ink:      #F4F5F7;
  --muted:    rgba(244,245,247,0.62);
  --line:     rgba(255,255,255,0.09);
  --bg:       #0B0F19;
  --panel:    rgba(255,255,255,0.04);
  --panel-solid: #121729;
  --accent-1: #4F46E5;   /* IT — indigo */
  --accent-2: #FF6F61;   /* Marketing — coral */
  --gradient: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.25);
  --shadow-md: 0 16px 32px -12px rgba(0,0,0,0.45);
  --shadow-glow: 0 10px 28px -8px rgba(79,70,229,0.5);
  --radius:   10px;
  --radius-lg: 18px;
  --container: 1120px;
  --font: "Inter", -apple-system, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  --font-display: "Manrope", "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 24px; }

h1,h2,h3{ font-family:var(--font-display); font-weight:700; line-height:1.15; margin:0 0 .5em; letter-spacing:-0.02em; color:#fff; }

.muted{ color:var(--muted); }

.gradient-text{
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.badge{
  display:inline-flex; align-items:center; gap:6px;
  font-size:13px; font-weight:600; color:#C7D2FE;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.12);
  padding:6px 14px; border-radius:999px; margin-bottom:20px;
}

/* header */
.site-header{
  padding:20px 0;
  position:sticky; top:0; z-index:10;
  background:rgba(11,15,25,0.75);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; justify-content:space-between; align-items:center; }
.logo{ display:inline-flex; align-items:center; gap:9px; font-family:var(--font-display); font-weight:800; font-size:20px; letter-spacing:-0.02em; color:#fff; }
.logo-mark{
  width:28px; height:28px; border-radius:8px;
  background:var(--gradient);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-glow);
  flex-shrink:0;
}
.logo-mark svg{ width:16px; height:16px; }
.nav{ display:flex; gap:32px; font-size:14.5px; font-weight:500; color:var(--muted); }
.nav a{ transition:color .15s ease; }
.nav a:hover{ color:#fff; }

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 28px; border-radius:var(--radius);
  font-weight:600; font-size:15px; border:1px solid transparent;
  cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, border-color .15s ease, background .15s ease;
}
.btn-primary{ background:var(--gradient); color:#fff; box-shadow:var(--shadow-glow); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 32px -10px rgba(79,70,229,0.6); }
.btn-ghost{ border-color:rgba(255,255,255,0.16); color:#fff; background:rgba(255,255,255,0.03); }
.btn-ghost:hover{ border-color:rgba(255,255,255,0.4); transform:translateY(-2px); }

/* hero — photo background + dual mesh gradient (indigo = IT, coral = marketing) */
.hero{
  position:relative;
  padding:130px 0 104px;
  text-align:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(11,15,25,0.86), rgba(11,15,25,0.97)),
    url('https://images.unsplash.com/photo-1763386599808-276b60c4bc76?w=2400&q=70&auto=format&fit=crop')
    center/cover no-repeat;
}
.hero::before{
  content:"";
  position:absolute;
  top:-260px; left:-180px;
  width:620px; height:620px;
  background:radial-gradient(circle, rgba(79,70,229,0.35), transparent 68%);
  filter:blur(30px);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:-220px; right:-180px;
  width:620px; height:560px;
  background:radial-gradient(circle, rgba(255,111,97,0.28), transparent 68%);
  filter:blur(30px);
  pointer-events:none;
}
.hero .wrap{ position:relative; }
.hero h1{ font-size:clamp(36px,5.5vw,58px); max-width:18ch; margin-left:auto; margin-right:auto; }
.hero .lead{ max-width:52ch; margin:18px auto 36px; font-size:18.5px; color:var(--muted); }
.hero-cta{ display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }

/* advantages */
.section{ padding:88px 0; border-bottom:1px solid var(--line); }
.section-alt{ background:rgba(255,255,255,0.02); }
.section-title{ text-align:center; font-size:clamp(26px,3.5vw,36px); margin-bottom:52px; }
.section-title .sub{ display:block; font-size:15px; font-weight:400; color:var(--muted); margin-top:10px; letter-spacing:0; }

.advantages{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.advantage{
  text-align:center; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:36px 28px; box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.advantage:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:rgba(255,255,255,0.18); }
.advantage .icon{
  width:48px; height:48px; margin:0 auto 20px;
  border-radius:12px; background:var(--gradient);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-glow);
}
.advantage .icon svg{ width:22px; height:22px; stroke:#fff; }
.advantage h3{ font-size:18.5px; margin-bottom:8px; }
.advantage p{ color:var(--muted); font-size:14.5px; margin:0; }

/* services — alternate indigo (IT) / coral (marketing) icon tint */
.services{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.service-card{
  border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:30px 26px; background:var(--panel);
  transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.service-card:hover{ border-color:rgba(255,255,255,0.22); transform:translateY(-4px); box-shadow:var(--shadow-md); }
.service-card .icon{
  width:40px; height:40px; margin-bottom:18px;
  border-radius:10px; background:rgba(255,255,255,0.06);
  display:flex; align-items:center; justify-content:center;
}
.service-card .icon svg{ width:20px; height:20px; stroke:var(--accent-1); }
.service-card.tone-marketing .icon svg{ stroke:var(--accent-2); }
.service-card h3{ font-size:18px; margin-bottom:8px; }
.service-card p{ color:var(--muted); font-size:14.5px; margin:0; }

/* portfolio */
.portfolio{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.portfolio-card{
  border:1px solid var(--line); border-radius:var(--radius-lg);
  background:var(--panel); overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.portfolio-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:rgba(255,255,255,0.2); }

.portfolio-thumb{
  position:relative;
  aspect-ratio:4/3;
  display:flex; flex-direction:column;
  overflow:hidden;
}
.portfolio-thumb img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.portfolio-card:hover .portfolio-thumb img{ transform:scale(1.06); }
.portfolio-thumb::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(11,15,25,0.05), rgba(11,15,25,0.35));
  pointer-events:none;
}

.browser-bar{
  display:flex; gap:6px; align-items:center;
  padding:12px 14px;
  background:rgba(0,0,0,0.25);
  position:relative; z-index:1;
}
.browser-bar span{
  width:7px; height:7px; border-radius:50%;
  background:rgba(255,255,255,0.55);
}

.portfolio-body{ padding:22px 24px 26px; }
.portfolio-tag{
  display:inline-block; font-size:12px; font-weight:600; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.04em; margin-bottom:10px;
}
.portfolio-body h3{ font-size:17px; margin-bottom:6px; }
.portfolio-body p{ color:var(--muted); font-size:14px; margin:0; }

/* contact */
.contact{ padding:96px 0; }
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:60px; align-items:start; }
.contact-info h2{ font-size:clamp(28px,4vw,38px); max-width:14ch; }
.contact-info .lead{ color:var(--muted); max-width:38ch; margin:14px 0 32px; }

.contact-list{ list-style:none; margin:0; padding:0; }
.contact-list li{
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 0; border-top:1px solid var(--line); font-size:15.5px; font-weight:500;
}
.contact-list li:last-child{ border-bottom:1px solid var(--line); }
.contact-list .k{ color:var(--muted); font-size:13.5px; font-weight:400; width: 200px;}
.contact-list a{ transition:color .15s ease; }
.contact-list a:hover{ color:#fff; }

/* form */
.contact-form{
  background:var(--panel-solid); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:32px; box-shadow:var(--shadow-md);
}
.form-row{ margin-bottom:18px; }
.form-row label{ display:block; font-size:13.5px; font-weight:600; margin-bottom:7px; color:#fff; }
.form-row input, .form-row textarea{
  width:100%; padding:13px 15px; font-family:var(--font); font-size:15px;
  border:1px solid var(--line); border-radius:var(--radius); background:rgba(255,255,255,0.03); color:#fff;
  transition:border-color .15s ease, background .15s ease;
}
.form-row input::placeholder, .form-row textarea::placeholder{ color:rgba(244,245,247,0.35); }
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--accent-1); background:rgba(255,255,255,0.06); }
.form-row textarea{ resize:vertical; min-height:120px; }
.form-note{ font-size:13.5px; margin-top:14px; font-weight:500; }
.form-note.success{ color:#4ADE80; }
.form-note.error{ color:#F87171; }

/* footer */
.site-footer{ padding:28px 0; border-top:1px solid var(--line); }
.site-footer .wrap{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; font-size:13.5px; color:var(--muted); }

/* responsive */
@media (max-width:860px){
  .advantages, .services, .portfolio{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; gap:36px; }
  .nav{ display:none; }
}
@media (max-width:560px){
  .hero{ padding:64px 0 56px; }
  .section{ padding:56px 0; }
  .advantages, .services, .portfolio{ grid-template-columns:1fr; }
  .btn{ width:100%; }
  .hero-cta{ flex-direction:column; }
}

:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }