/* ITCS — Information Technology Consulting Solutions
   Minimalist, color-coded by service line (per business-plan brand concept).
   Brand: ITCS blue #1D4ED8 on a light ground. */

:root {
  --blue: #1D4ED8;
  --blue-dark: #1E3A8A;
  --ink: #111827;
  --muted: #4B5563;
  --line: #E5E7EB;
  --bg: #F9FAFB;
  --card: #FFFFFF;

  /* service-line accent colors */
  --c-ai: #1D4ED8;       /* blue */
  --c-arch: #0E7490;     /* teal */
  --c-repair: #B45309;   /* amber */
  --c-ewaste: #15803D;   /* green */
  --c-wuanberri: #7C3AED;/* violet */
  --c-aisetup: #DC2626;  /* red */
  --c-data: #334155;     /* slate */
}

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

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; letter-spacing: -0.01em; margin-bottom: 0.5rem; }
h3 { font-size: 1.1rem; }
a { color: var(--blue); text-decoration: none; }

/* Header */
.site-header {
  background: var(--blue-dark);
  color: #fff;
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; flex-wrap: wrap; gap: 10px; }
.brand { display: flex; flex-direction: column; color: #fff; }
.brand-mark { font-size: 1.4rem; font-weight: 800; letter-spacing: 0.08em; color: #fff; }
.brand-sub { font-size: 0.68rem; opacity: 0.75; letter-spacing: 0.03em; }
.nav { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.nav a { color: #DBEAFE; font-size: 0.92rem; }
.nav a:hover { color: #fff; }
.nav-cta {
  background: var(--blue); color: #fff !important;
  padding: 8px 16px; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: #2563EB; }

/* Hero */
.hero { padding: 88px 0 72px; background: linear-gradient(180deg, #EFF6FF 0%, var(--bg) 100%); }
.hero-kicker { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.hero-lede { max-width: 620px; margin: 18px 0 28px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-points { display: flex; gap: 28px; flex-wrap: wrap; list-style: none; color: var(--muted); font-size: 0.95rem; }
.hero-points strong { color: var(--ink); }

/* Buttons */
.btn { display: inline-block; padding: 12px 24px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2563EB; }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-lede { color: var(--muted); max-width: 640px; margin-bottom: 36px; }

/* Service cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 24px; border-top: 4px solid var(--c-ai);
}
.card-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-ai); margin-bottom: 10px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card-arch    { border-top-color: var(--c-arch); }      .card-arch    .card-tag { color: var(--c-arch); }
.card-repair  { border-top-color: var(--c-repair); }    .card-repair  .card-tag { color: var(--c-repair); }
.card-ewaste  { border-top-color: var(--c-ewaste); }    .card-ewaste  .card-tag { color: var(--c-ewaste); }
.card-wuanberri { border-top-color: var(--c-wuanberri); } .card-wuanberri .card-tag { color: var(--c-wuanberri); }
.card-aisetup { border-top-color: var(--c-aisetup); }   .card-aisetup .card-tag { color: var(--c-aisetup); }
.card-data    { border-top-color: var(--c-data); }      .card-data    .card-tag { color: var(--c-data); }

/* Why grid */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; margin-top: 28px; }
.why-item h3 { margin-bottom: 6px; color: var(--blue-dark); }
.why-item p { color: var(--muted); font-size: 0.95rem; }

/* About */
.about-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.about-inner p { color: var(--muted); margin-bottom: 14px; }
.about-facts dt { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); margin-top: 14px; }
.about-facts dd { color: var(--ink); }

/* Contact */
.contact-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; }
.contact-inner > div > p { color: var(--muted); margin-bottom: 22px; }
.contact-form { display: flex; flex-direction: column; gap: 14px; max-width: 520px; }
.contact-form label { display: flex; flex-direction: column; gap: 5px; font-size: 0.88rem; font-weight: 600; color: var(--ink); }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px; background: #fff;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--blue);
}
.contact-form .btn { align-self: flex-start; }
.form-note { font-size: 0.8rem; color: var(--muted); font-weight: 400; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; align-self: start; }
.contact-card h3 { margin-bottom: 10px; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); }
.contact-card p { font-size: 0.95rem; color: var(--muted); margin-bottom: 8px; }
.contact-loc { font-weight: 600; color: var(--ink); }
.placeholder { background: #FEF3C7; padding: 1px 5px; border-radius: 4px; }

/* Footer */
.site-footer { background: var(--blue-dark); color: #DBEAFE; padding: 40px 0; }
.footer-inner p { margin-bottom: 4px; }
.footer-mission { font-size: 0.9rem; opacity: 0.8; }
.footer-fine { font-size: 0.78rem; opacity: 0.6; }

/* Responsive */
@media (max-width: 820px) {
  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
}