/* ── Google Fonts ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-bg:          #0D0D10;
  --color-bg-2:        #141416;
  --color-accent:      #7B82E8;
  --color-accent-dim:  rgba(123,130,232,0.15);
  --color-silver:      #8E9BAE;
  --color-text:        #F5F5F7;
  --color-text-muted:  #A0A8B8;
  --color-bg-light:    #F0F2F5;
  --color-text-dark:   #1C1C1E;
  --color-text-dark-2: #3A3A3C;
  --color-border:      rgba(255,255,255,0.08);
  --color-border-light:rgba(28,28,30,0.10);

  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;

  --section-py:  clamp(4rem, 8vw, 6rem);
  --container:   min(1200px, 92vw);
  --radius:      10px;
  --radius-sm:   6px;
  --transition:  0.25s ease;
  --shadow:      0 4px 24px rgba(0,0,0,0.18);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.28);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ── Utilities ─────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.section { padding-block: var(--section-py); }
.section--light { background: var(--color-bg-light); color: var(--color-text-dark); }
.section--dark  { background: var(--color-bg); color: var(--color-text); }
.section--dark2 { background: var(--color-bg-2); color: var(--color-text); }

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

/* ── Button ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: filter var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(123,130,232,0.35);
}
.btn--primary:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(123,130,232,0.5); }
.btn--primary:active { transform: translateY(0); filter: brightness(1); }
.btn--outline {
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}
.btn--outline:hover { background: var(--color-accent-dim); }

/* ── Header ─────────────────────────────────────────────────── */
#header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,13,16,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition), box-shadow var(--transition);
}
#header .header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  height: 72px;
}
#header.scrolled .header-inner { height: 60px; }

/* Logo crop: show only the triangle icon, clip "ADVENT Seguridad Privada" text */
.header-logo {
  overflow: hidden;
  height: 52px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 52px;
}
.header-logo img {
  width: 110px;
  height: auto;
  display: block;
  flex-shrink: 0;
  margin-left: -29px;
}
#header.scrolled .header-logo { height: 44px; width: 44px; }
#header.scrolled .header-logo img { width: 92px; margin-left: -24px; }

.header-nav { display: flex; align-items: center; gap: 0.25rem; }
.header-nav a {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem; font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.header-nav a:hover { color: var(--color-text); background: var(--color-border); }

.header-actions {
  display: flex; align-items: center; gap: 1rem;
}
.header-phone {
  font-size: 0.88rem; color: var(--color-text-muted);
  font-weight: 500; letter-spacing: 0.01em;
}
.header-phone:hover { color: var(--color-accent); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px; padding: 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--color-border); }
.hamburger span {
  display: block; width: 100%; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav open */
body.nav-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .hamburger span:nth-child(2) { opacity: 0; }
body.nav-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .header-phone { display: none; }
  .hamburger    { display: flex; }
  .header-nav {
    display: none;
    position: fixed; inset: 0; top: 0;
    background: rgba(28,28,30,0.98);
    flex-direction: column; justify-content: center; align-items: center;
    gap: 0.5rem;
    z-index: 99;
  }
  body.nav-open .header-nav {
    display: flex;
  }
  .header-nav a {
    font-size: 1.4rem; padding: 1rem 2rem;
    font-family: var(--font-heading); font-weight: 700;
  }
  .header-actions .btn { font-size: 0.85rem; padding: 0.65rem 1.2rem; }
  body.nav-open .header-actions { display: none; }
}