/* ============================================================
   LinkLight Technologies — Main Stylesheet
   styles.css
   ============================================================ */

/* ---- 1. Custom Properties ---- */
:root {
  --navy:        #0a1628;
  --navy-mid:    #112240;
  --blue:        #1e6fb5;
  --blue-hover:  #185fa0;
  --blue-light:  #4a9fd4;
  --blue-pale:   #e8f1fa;

  --white:       #ffffff;
  --off-white:   #f8fafc;
  --gray-100:    #f1f5f9;
  --gray-200:    #e2e8f0;
  --gray-300:    #cbd5e1;
  --gray-500:    #64748b;
  --gray-700:    #334155;
  --text:        #1e293b;
  --text-muted:  #64748b;

  --success:     #16a34a;
  --error:       #dc2626;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;

  --max-w:       1200px;
  --nav-h:       70px;
  --pad-x:       clamp(1rem, 4vw, 2rem);
  --pad-y:       clamp(3rem, 6vw, 5rem);
  --radius:      8px;
  --radius-lg:   16px;

  --shadow-sm:   0 1px 4px rgba(10,22,40,.08);
  --shadow:      0 4px 16px rgba(10,22,40,.10);
  --shadow-lg:   0 8px 32px rgba(10,22,40,.16);

  --t:           0.2s ease;
  --t-slow:      0.35s ease;
}

/* ---- 2. Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--blue-hover); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---- 3. Skip Link ---- */
.skip-link {
  position: absolute;
  top: -120%;
  left: 1rem;
  background: var(--blue);
  color: var(--white);
  padding: .5rem 1rem;
  border-radius: 0 0 var(--radius) var(--radius);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--t);
}
.skip-link:focus { top: 0; color: var(--white); }

/* ---- 4. Container ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ---- 5. Typography ---- */
h1, h2, h3, h4, h5 { line-height: 1.25; color: var(--navy); font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.45rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
.lead { font-size: 1.1rem; color: var(--text-muted); line-height: 1.75; }
.eyebrow {
  display: inline-block;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}

/* ---- 6. Navigation ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--navy);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow var(--t);
}
.site-nav.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,.28); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px; height: 38px;
  background: var(--blue);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 20px; fill: var(--white); }
.logo-text {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.02em;
  white-space: nowrap;
}
.logo-text em { font-style: normal; color: var(--blue-light); }

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: .2rem;
}
.nav-menu > li { position: relative; }
.nav-menu a {
  display: block;
  padding: .45rem .75rem;
  color: rgba(255,255,255,.82);
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: color var(--t), background var(--t);
  white-space: nowrap;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { color: var(--white); background: rgba(255,255,255,.08); }
.nav-menu > li > a.active { color: var(--blue-light); }

/* Nav CTA button */
.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: .45rem 1.1rem !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--blue-hover) !important; }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  min-width: 238px;
  padding: .5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--t), transform var(--t), visibility var(--t);
  z-index: 200;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown li a {
  color: var(--text) !important;
  padding: .55rem 1.1rem !important;
  border-radius: 0 !important;
  font-size: .86rem !important;
  background: transparent !important;
}
.dropdown li a:hover { background: var(--gray-100) !important; color: var(--blue) !important; }
.dd-arrow {
  display: inline-block;
  margin-left: 3px;
  font-size: .6rem;
  transition: transform var(--t);
  vertical-align: middle;
}
.has-dropdown:hover .dd-arrow { transform: rotate(180deg); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  width: 38px; height: 38px;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius);
  transition: background var(--t);
}
.nav-toggle:hover { background: rgba(255,255,255,.1); }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--t-slow), opacity var(--t);
}
.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); }

/* ---- 7. Hero (Home) ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  background:
    radial-gradient(ellipse at 22% 60%, rgba(30,111,181,.38) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(74,159,212,.22) 0%, transparent 45%),
    linear-gradient(155deg, var(--navy) 0%, #0d1e3d 55%, var(--navy-mid) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 42px 42px;
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(30,111,181,.2);
  border: 1px solid rgba(74,159,212,.3);
  color: var(--blue-light);
  padding: .35rem .9rem;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero h1 em { font-style: normal; color: var(--blue-light); }
.hero-desc {
  color: rgba(255,255,255,.75);
  font-size: 1.1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stat .num {
  font-size: 1.6rem; font-weight: 700;
  color: var(--white); line-height: 1;
}
.hero-stat .lbl {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  margin-top: .2rem;
}

/* Hero visual (right column) */
.hero-visual { display: flex; flex-direction: column; gap: 1rem; }
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.6rem;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.hero-card-icon {
  width: 42px; height: 42px;
  background: rgba(30,111,181,.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-card-icon svg { width: 22px; height: 22px; fill: var(--blue-light); }
.hero-card h4 { color: var(--white); font-size: .95rem; margin-bottom: .2rem; }
.hero-card p { color: rgba(255,255,255,.58); font-size: .82rem; margin: 0; }

/* ---- 8. Page Hero (inner pages) ---- */
.page-hero {
  padding: calc(var(--nav-h) + 3.5rem) var(--pad-x) 3rem;
  background: linear-gradient(140deg, var(--navy) 0%, var(--navy-mid) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}
.page-hero-inner {
  position: relative; z-index: 1;
  max-width: 740px;
  margin: 0 auto;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero .lead { color: rgba(255,255,255,.72); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  max-width: var(--max-w);
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,.65); }
.breadcrumb a:hover { color: var(--blue-light); }
.breadcrumb .sep { color: rgba(255,255,255,.3); }

/* ---- 9. Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.2;
  border: 2px solid transparent;
  transition: background var(--t), color var(--t), transform var(--t), box-shadow var(--t), border-color var(--t);
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn-primary:hover { background: var(--blue-hover); border-color: var(--blue-hover); color: var(--white); box-shadow: 0 4px 18px rgba(30,111,181,.4); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); color: var(--white); }
.btn-outline-blue { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-outline-blue:hover { background: var(--blue); color: var(--white); }
.btn-lg { padding: .9rem 2rem; font-size: 1rem; }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }

/* ---- 10. Sections ---- */
.section { padding: var(--pad-y) var(--pad-x); }
.section-sm { padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x); }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.section-dark p, .section-dark .lead { color: rgba(255,255,255,.72); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 3rem; }
.section-header h2 { margin-bottom: .75rem; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ---- 11. Service Cards ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
  border: 1px solid var(--gray-200);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: rgba(30,111,181,.3); }
.card-icon {
  width: 52px; height: 52px;
  background: var(--blue-pale);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.card-icon svg { width: 26px; height: 26px; fill: var(--blue); }
.card h3 { font-size: 1.12rem; margin-bottom: .55rem; }
.card p { color: var(--text-muted); font-size: .9rem; margin-bottom: 1rem; }
.card-link {
  font-size: .86rem;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.card-link svg { width: 14px; height: 14px; fill: currentColor; transition: transform var(--t); }
.card-link:hover { color: var(--blue-hover); }
.card-link:hover svg { transform: translateX(3px); }

/* ---- 12. Features (Why Choose Us) ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}
.feature-item { display: flex; gap: 1.25rem; align-items: flex-start; }
.feature-icon {
  width: 48px; height: 48px;
  background: rgba(30,111,181,.12);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.feature-icon svg { width: 24px; height: 24px; fill: var(--blue-light); }
.feature-body h4 { color: var(--white); margin-bottom: .3rem; }
.feature-body p { color: rgba(255,255,255,.65); font-size: .9rem; }

/* Light features (on white bg) */
.features-grid.light .feature-icon { background: var(--blue-pale); }
.features-grid.light .feature-icon svg { fill: var(--blue); }
.features-grid.light .feature-body h4 { color: var(--navy); }
.features-grid.light .feature-body p { color: var(--text-muted); }

/* ---- 13. CTA Banner ---- */
.cta-banner {
  background: var(--blue);
  padding: 4.5rem var(--pad-x);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0);
  background-size: 32px 32px;
}
.cta-banner-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-banner h2 { color: var(--white); margin-bottom: .9rem; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 2rem; }
.cta-banner .btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---- 14. Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: .75rem; right: 1.4rem;
  font-size: 4.5rem;
  color: var(--blue-pale);
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-text { font-style: italic; color: var(--gray-700); margin-bottom: 1.25rem; font-size: .95rem; }
.testimonial-author { display: flex; align-items: center; gap: .75rem; }
.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--blue-pale);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-weight: 700; font-size: .95rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; font-size: .9rem; color: var(--navy); }
.testimonial-role { font-size: .8rem; color: var(--text-muted); }

/* ---- 15. Service Area ---- */
.area-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.area-map-placeholder {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gray-300);
  aspect-ratio: 4/3;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--gray-500);
  text-align: center;
  gap: .75rem;
  padding: 2rem;
}
.area-map-placeholder svg { width: 52px; height: 52px; fill: var(--gray-300); }
.area-map-placeholder p { font-size: .875rem; margin: 0; }
.area-cities { columns: 2; gap: .5rem; }
.area-cities li {
  display: flex; align-items: center; gap: .55rem;
  padding: .35rem 0;
  font-size: .95rem;
  break-inside: avoid;
}
.area-cities li::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

/* ---- 16. Contact Form ---- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.7fr; gap: 3.5rem; align-items: start; }
.contact-info-stack { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--blue-pale);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg { width: 22px; height: 22px; fill: var(--blue); }
.contact-info-lbl { font-size: .73rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: .2rem; }
.contact-info-val { font-size: .97rem; color: var(--text); }

/* Form */
.form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-size: .84rem; font-weight: 600; color: var(--gray-700); }
.form-group .req { color: var(--error); margin-left: 2px; }
.form-group input,
.form-group textarea,
.form-group select {
  padding: .7rem .9rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: .95rem;
  transition: border-color var(--t), box-shadow var(--t);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,111,181,.15);
}
.form-group input.error,
.form-group textarea.error { border-color: var(--error); box-shadow: 0 0 0 3px rgba(220,38,38,.1); }
.field-error { font-size: .78rem; color: var(--error); display: none; }
.field-error.visible { display: block; }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--text-muted); }
.hp-wrap { position: absolute; left: -9999px; top: -9999px; }
#form-success {
  display: none;
  padding: 1rem 1.25rem;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius);
  color: var(--success);
  font-weight: 600;
}
#form-success.visible { display: block; }

/* ---- 17. Service Detail Layout ---- */
.service-detail-layout { display: grid; grid-template-columns: 1fr 290px; gap: 3rem; align-items: start; }
.service-content p { color: var(--text); margin-bottom: 1rem; }
.service-content h2 { margin-top: 2.5rem; margin-bottom: .9rem; }
.service-content h2:first-child { margin-top: 0; }
.service-content h3 { margin-top: 1.75rem; margin-bottom: .75rem; }
.check-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.5rem; }
.check-list li {
  display: flex; align-items: flex-start;
  gap: .65rem;
  font-size: .95rem;
  color: var(--text);
  line-height: 1.5;
}
.check-list li::before {
  content: '';
  display: inline-block;
  width: 20px; height: 20px;
  background: var(--blue-pale);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231e6fb5'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 12px; background-repeat: no-repeat; background-position: center;
  flex-shrink: 0; margin-top: 2px;
}
.service-sidebar { position: sticky; top: calc(var(--nav-h) + 1.5rem); display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-box {
  background: var(--blue-pale);
  border: 1px solid rgba(30,111,181,.2);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
}
.sidebar-box h4 { color: var(--navy); margin-bottom: 1rem; font-size: .95rem; }
.sidebar-box ul { display: flex; flex-direction: column; gap: .45rem; }
.sidebar-box ul li a { color: var(--blue); font-size: .875rem; font-weight: 500; }
.sidebar-box ul li a:hover { color: var(--blue-hover); }
.sidebar-box ul li a.current { color: var(--navy); font-weight: 700; }
.sidebar-cta-box {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
}
.sidebar-cta-box h4 { color: var(--white); margin-bottom: .6rem; }
.sidebar-cta-box p { color: rgba(255,255,255,.65); font-size: .875rem; margin-bottom: 1.25rem; }
.sidebar-cta-box .btn { width: 100%; justify-content: center; }

/* ---- 18. About Page ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.img-placeholder {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gray-300);
  aspect-ratio: 4/3;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--gray-500);
  text-align: center;
  gap: .75rem;
  font-size: .875rem;
}
.img-placeholder svg { width: 52px; height: 52px; fill: var(--gray-300); }
.values-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; }
.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: box-shadow var(--t);
}
.value-card:hover { box-shadow: var(--shadow); }
.value-icon {
  width: 56px; height: 56px;
  background: var(--blue-pale);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.value-icon svg { width: 28px; height: 28px; fill: var(--blue); }
.value-card h4 { margin-bottom: .45rem; }
.value-card p { font-size: .875rem; color: var(--text-muted); }

/* ---- 19. Alert Box ---- */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: .9rem;
  margin-bottom: 1.5rem;
  display: flex; gap: .75rem; align-items: flex-start;
}
.alert-info { background: var(--blue-pale); border: 1.5px solid rgba(30,111,181,.25); color: var(--navy); }
.alert svg { width: 20px; height: 20px; fill: var(--blue); flex-shrink: 0; margin-top: 1px; }

/* ---- 20. Footer ---- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.72); padding: 4rem var(--pad-x) 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text { font-size: 1.22rem; display: block; margin-bottom: .85rem; }
.footer-brand p { font-size: .875rem; line-height: 1.75; color: rgba(255,255,255,.58); }
.footer-tagline { margin-top: 1rem; font-size: .8rem; color: rgba(255,255,255,.38); font-style: italic; }
.footer-col h4 {
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-col ul li a { color: rgba(255,255,255,.6); font-size: .875rem; }
.footer-col ul li a:hover { color: var(--blue-light); }
.footer-col ul li span { color: rgba(255,255,255,.5); font-size: .875rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin: 1.75rem auto 0;
  font-size: .8rem;
  color: rgba(255,255,255,.38);
  flex-wrap: wrap;
  gap: .5rem;
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--blue-light); }

/* ---- 21. Privacy Page ---- */
.prose h2 { margin-top: 2.5rem; margin-bottom: .75rem; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text); line-height: 1.8; }
.prose ul { list-style: disc; padding-left: 1.5rem; display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.prose ul li { font-size: .95rem; color: var(--text); }

/* ---- 22. Utilities ---- */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0 !important; }
.max-prose { max-width: 760px; margin: 0 auto; }

/* ---- 23. Responsive ---- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .area-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-detail-layout { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
}

@media (max-width: 768px) {
  :root { --nav-h: 62px; }

  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem var(--pad-x) 2rem;
    gap: 0;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--t-slow);
    z-index: 999;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu > li { border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-menu > li:last-child { border-bottom: none; margin-top: 1rem; }
  .nav-menu a { padding: .9rem 0; border-radius: 0; font-size: 1rem; background: none !important; }
  .nav-menu a:hover, .nav-menu a.active { color: var(--blue-light); background: none !important; }
  .nav-cta { background: var(--blue) !important; border-radius: var(--radius) !important; padding: .8rem 1rem !important; text-align: center; justify-content: center; }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible;
    transform: none;
    box-shadow: none; border: none;
    background: transparent;
    padding: 0 0 .5rem 1rem;
    min-width: 0;
  }
  .dropdown li a { color: rgba(255,255,255,.6) !important; font-size: .9rem !important; padding: .4rem 0 !important; background: none !important; }
  .dropdown li a:hover { color: var(--blue-light) !important; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .area-cities { columns: 1; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 1.5rem; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-actions .btn { flex: 1; justify-content: center; min-width: 0; }
}

/* ---- 24. Focus Styles ---- */
:focus-visible { outline: 3px solid var(--blue-light); outline-offset: 3px; border-radius: var(--radius); }

/* ---- 25. Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}