/* ===== Variables ===== */
:root {
  --bg: #000000;
  --bg-alt: #0d0d0d;
  --surface: #141414;
  --border: #262626;
  --text: #ffffff;
  --text-muted: #a3a3a3;
  --accent: #ff4000;
  --accent-dim: #cc3300;
  --radius: 10px;
  --max-width: 1180px;
  --ff: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

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

h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
}

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-heading { max-width: 620px; margin-bottom: 48px; }
.section-heading.center { max-width: 680px; margin-left: auto; margin-right: auto; text-align: center; }
.section-heading h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.section-intro { color: var(--text-muted); margin-top: 16px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #000000; }
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(0, 0, 0, 0.92); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-mark { height: 28px; width: 28px; object-fit: contain; }
.logo span {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.main-nav { display: flex; gap: 32px; }
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 64, 0, 0.22), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(255, 64, 0, 0.1), transparent 50%),
    var(--bg);
  z-index: -1;
}
.hero-inner { max-width: 780px; padding-top: 40px; padding-bottom: 40px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 20px; }
.hero-sub { font-size: 1.05rem; font-style: italic; color: var(--text-muted); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Clients strip ===== */
.clients-strip { padding: 48px 0; text-align: center; }
.clients-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.clients-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
}

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-body p { color: var(--text-muted); margin-bottom: 16px; }
.about-body p:last-child { margin-bottom: 0; }

/* ===== Grids / Cards ===== */
.grid { display: grid; gap: 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-dim); }

/* Approach cards (Full Execution / Consultation & Training) */
.approach-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 56px; }
.approach-card { padding: 32px; }
.approach-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.approach-card p { color: var(--text-muted); }

/* Core services pill list */
.services-subhead { font-size: 1.1rem; margin-bottom: 20px; }
.service-pill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.service-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.92rem;
}
.service-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Track record case-study cards */
.case-grid { grid-template-columns: repeat(3, 1fr); }
.case-photo { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.case-body { padding: 28px; }
.case-client { font-size: 1.1rem; margin-bottom: 4px; }
.case-tag { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }
.case-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.case-card li { font-size: 0.88rem; color: var(--text-muted); padding-left: 16px; position: relative; }
.case-card li::before { content: "\2014"; color: var(--accent); position: absolute; left: 0; }

/* Why-us cards */
.why-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.why-card { padding: 28px; }
.why-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; margin-bottom: 16px; }
.why-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-intro { color: var(--text-muted); margin-bottom: 28px; }
.contact-info { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.contact-info li { display: flex; flex-direction: column; gap: 2px; font-size: 0.95rem; }
.contact-info strong { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.contact-info a:hover { color: var(--accent); }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
  color: var(--text-muted);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.social-links a:hover { border-color: var(--accent); color: var(--accent); }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.contact-form label { display: flex; flex-direction: column; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.contact-form input, .contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form button { align-self: flex-start; border: none; cursor: pointer; }
.form-note { font-size: 0.85rem; color: var(--accent); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .approach-grid, .service-pill-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
}

@media (max-width: 540px) {
  .case-grid { grid-template-columns: 1fr; }
}