/* ================================================================
   PROXY NETWORKING MACHINES — Main Stylesheet
   Premium enterprise design | White hero banner
================================================================ */

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:     #0057FF;
  --blue-dk:  #003FCC;
  --teal:     #00C9A7;
  --navy:     #04060E;
  --dark:     #0d1117;
  --dark2:    #161b27;
  --gray-bg:  #f8fafd;
  --gray-mid: #eef1f8;
  --text:     #1a1f2e;
  --text-sub: #5a6278;
  --white:    #ffffff;
  --border:   #e2e8f0;

  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.16);

  --radius:   12px;
  --radius-lg: 20px;
  --trans:    .25s ease;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }

img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Utility ───────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(0,87,255,.08);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 16px;
}
.section-header h2 { font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.section-header p  { color: var(--text-sub); font-size: 1.05rem; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dk));
  color: #fff; font-weight: 600; font-size: .95rem;
  padding: 14px 28px; border-radius: 8px; border: none; cursor: pointer;
  transition: all var(--trans); box-shadow: 0 4px 16px rgba(0,87,255,.30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,87,255,.40); }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--blue); font-weight: 600;
  padding: 14px 28px; border-radius: 8px;
  border: 2px solid var(--blue); cursor: pointer;
  transition: all var(--trans);
}
.btn-outline:hover { background: var(--blue); color: #fff; }

.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--blue); font-weight: 700;
  padding: 14px 28px; border-radius: 8px;
  border: 2px solid #fff; cursor: pointer;
  transition: all var(--trans);
}
.btn-white:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

.btn-outline-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: #fff; font-weight: 600;
  padding: 14px 28px; border-radius: 8px;
  border: 2px solid rgba(255,255,255,.6); cursor: pointer;
  transition: all var(--trans);
}
.btn-outline-white:hover { background: rgba(255,255,255,.15); border-color: #fff; }

.btn-nav {
  background: var(--blue); color: #fff !important; font-weight: 600;
  padding: 8px 20px; border-radius: 6px; transition: all var(--trans);
}
.btn-nav:hover { background: var(--blue-dk); }

.btn-sm {
  display: inline-flex; align-items: center;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff; font-weight: 600; font-size: .82rem;
  padding: 8px 18px; border-radius: 6px; transition: all var(--trans);
}
.btn-sm:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,87,255,.30); }

/* Reveal animations */
[data-reveal], [data-reveal-right] { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal-right] { transform: translateX(30px); }
[data-reveal].visible, [data-reveal-right].visible { opacity: 1; transform: none; }

/* ================================================================
   NAVBAR
================================================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all var(--trans);
}
#navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 1.1rem;
  color: var(--text);
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}
.logo-accent { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-weight: 500; font-size: .92rem; color: var(--text-sub); transition: color var(--trans); }
.nav-links a:hover, .nav-links a.active { color: var(--blue); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--trans); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================================
   HERO — WHITE BACKGROUND
================================================================ */
#hero {
  position: relative;
  background: var(--white);
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,87,255,.06) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(0,201,167,.06) 0%, transparent 50%);
}
/* Dot grid overlay */
.hero-bg-pattern::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(0,87,255,.08) 1px, transparent 1px);
  background-size: 36px 36px;
}
.hero-container {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 600; letter-spacing: .05em;
  color: var(--blue); background: rgba(0,87,255,.08);
  padding: 7px 16px; border-radius: 99px;
  margin-bottom: 24px; border: 1px solid rgba(0,87,255,.15);
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 0 3px rgba(0,201,167,.20);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{box-shadow:0 0 0 3px rgba(0,201,167,.20)} 50%{box-shadow:0 0 0 6px rgba(0,201,167,.08)} }

.hero-heading {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800; line-height: 1.12;
  color: var(--text); margin-bottom: 20px;
}
.hero-sub { font-size: 1.1rem; color: var(--text-sub); max-width: 500px; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.hero-stats {
  display: flex; align-items: center; gap: 0;
  border-top: 1px solid var(--border); padding-top: 32px;
}
.stat-item { text-align: center; padding: 0 24px; }
.stat-item:first-child { padding-left: 0; }
.stat-num {
  display: block; font-family: var(--font-head);
  font-size: 2rem; font-weight: 800; color: var(--blue); line-height: 1;
}
.stat-plus { font-size: 1.4rem; font-weight: 800; color: var(--blue); }
.stat-label { display: block; font-size: .78rem; color: var(--text-sub); font-weight: 500; margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }

/* Hero visual */
.hero-visual { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }
.hero-img-main { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-img-main img { width: 100%; height: 360px; object-fit: cover; }
.hero-img-badge {
  position: absolute; bottom: 16px; left: 16px;
  display: flex; align-items: center; gap: 8px;
  background: rgba(0,0,0,.85); backdrop-filter: blur(8px);
  color: var(--teal); font-size: .8rem; font-weight: 600;
  padding: 8px 14px; border-radius: 8px;
}
.hero-img-side { display: flex; flex-direction: column; gap: 12px; }
.hero-img-side img { width: 100%; height: 174px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-md); }

.hero-wave { margin-top: -1px; }
.hero-wave svg { display: block; width: 100%; height: 60px; }

/* ================================================================
   TRUST BAR
================================================================ */
#trust-bar { background: var(--gray-bg); padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; text-align: center; }
.trust-label { font-size: .82rem; font-weight: 600; color: var(--text-sub); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 20px; }
.trust-logos { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.trust-logo {
  display: flex; align-items: center; gap: 8px;
  font-size: .9rem; font-weight: 600; color: var(--text-sub);
  background: #fff; padding: 10px 20px;
  border-radius: 8px; border: 1px solid var(--border);
  transition: all var(--trans);
}
.trust-logo:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow-sm); }
.trust-logo i { color: var(--blue); }

/* ================================================================
   SERVICES
================================================================ */
#services { padding: 100px 0; background: var(--white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--trans);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card--featured { border-color: var(--blue); box-shadow: 0 0 0 1px rgba(0,87,255,.2), var(--shadow-md); }

.service-img { height: 180px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.service-card:hover .service-img img { transform: scale(1.05); }

.service-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  margin: 20px 20px 0;
}
.service-card h3 { font-family: var(--font-head); font-size: 1.08rem; font-weight: 700; padding: 12px 20px 8px; }
.service-card p  { font-size: .9rem; color: var(--text-sub); padding: 0 20px; flex: 1; }
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue); font-weight: 600; font-size: .88rem;
  padding: 16px 20px; border-top: 1px solid var(--border);
  margin-top: 16px; transition: gap var(--trans);
}
.service-card:hover .service-link { gap: 10px; }

/* ================================================================
   FEATURE BANNER (dark with bg image)
================================================================ */
#feature-banner {
  position: relative; padding: 100px 0; overflow: hidden;
}
.fb-bg { position: absolute; inset: 0; z-index: 0; }
.fb-bg img { width: 100%; height: 100%; object-fit: cover; }
.fb-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(4,6,14,.92) 0%, rgba(0,57,160,.80) 100%); }
.fb-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.fb-text h2 { font-family: var(--font-head); font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; color: #fff; margin-bottom: 16px; }
.fb-text h2 span { color: var(--teal); }
.fb-text p { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 600px; margin-bottom: 48px; }
.fb-stats { display: flex; flex-wrap: wrap; gap: 40px; margin-bottom: 40px; }
.fb-stat {}
.fb-num { display: block; font-family: var(--font-head); font-size: 2.8rem; font-weight: 800; color: var(--teal); }
.fb-label { font-size: .88rem; color: rgba(255,255,255,.65); font-weight: 500; }

/* ================================================================
   PRODUCTS
================================================================ */
#products { padding: 100px 0; background: var(--gray-bg); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  transition: all var(--trans); display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-img { position: relative; height: 200px; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-badge {
  position: absolute; top: 12px; right: 12px;
  background: #16a34a; color: #fff;
  font-size: .72rem; font-weight: 700; letter-spacing: .05em;
  padding: 4px 10px; border-radius: 99px;
}
.product-badge--blue { background: var(--blue); }
.product-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-category { display: flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.product-info h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.product-info p { font-size: .85rem; color: var(--text-sub); flex: 1; margin-bottom: 16px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 14px; }
.product-price { font-size: .88rem; color: var(--text-sub); }
.product-price strong { color: var(--text); font-size: 1.05rem; }

/* ================================================================
   WHY US
================================================================ */
#why-us { padding: 100px 0; background: var(--white); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why-img { position: relative; }
.why-img img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; height: 500px; object-fit: cover; }
.why-img-card {
  position: absolute; bottom: -20px; right: -20px;
  display: flex; align-items: center; gap: 12px;
  background: var(--white); padding: 16px 20px;
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.why-img-card i { color: var(--blue); font-size: 1.4rem; }
.why-img-card strong { display: block; font-size: .9rem; font-weight: 700; }
.why-img-card span { font-size: .78rem; color: var(--text-sub); }
.why-text .section-tag { margin-bottom: 12px; }
.why-text h2 { font-family: var(--font-head); font-size: clamp(1.8rem, 2.5vw, 2.4rem); font-weight: 700; margin-bottom: 16px; }
.why-intro { color: var(--text-sub); font-size: 1.05rem; margin-bottom: 28px; }
.why-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.why-point { display: flex; gap: 14px; }
.why-point-icon { color: var(--teal); font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.why-point h4 { font-weight: 700; font-size: .95rem; margin-bottom: 4px; }
.why-point p { font-size: .88rem; color: var(--text-sub); }
.why-metrics { display: flex; flex-direction: column; gap: 14px; }
.metric { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 4px 8px; }
.metric-label { font-size: .82rem; font-weight: 600; color: var(--text-sub); grid-column: 1; }
.metric-val   { font-size: .82rem; font-weight: 700; color: var(--blue); grid-column: 2; grid-row: 1/3; align-self: center; }
.metric-bar   { grid-column: 1; background: var(--gray-mid); border-radius: 99px; height: 6px; overflow: hidden; }
.metric-fill  { height: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); border-radius: 99px; transition: width 1.2s cubic-bezier(.4,0,.2,1); }

/* ================================================================
   PROCESS
================================================================ */
#process { padding: 100px 0; background: var(--gray-bg); }
.process-steps { display: flex; align-items: flex-start; justify-content: center; gap: 0; flex-wrap: wrap; }
.process-step {
  flex: 1; min-width: 180px; max-width: 220px;
  text-align: center; padding: 32px 16px;
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--trans);
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue); }
.step-num { font-family: var(--font-head); font-size: 2.5rem; font-weight: 800; color: rgba(0,87,255,.12); margin-bottom: 4px; }
.step-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--blue), var(--teal)); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.3rem; margin: 0 auto 16px; }
.process-step h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.process-step p { font-size: .85rem; color: var(--text-sub); }
.process-arrow { display: flex; align-items: center; justify-content: center; padding: 0 8px; color: var(--border); font-size: 1.4rem; align-self: center; flex-shrink: 0; }

/* ================================================================
   TESTIMONIALS
================================================================ */
#testimonials { padding: 100px 0; background: var(--dark); }
#testimonials .section-header h2 { color: #fff; }
#testimonials .section-header p  { color: rgba(255,255,255,.6); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all var(--trans);
}
.testimonial-card:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.stars { color: #f59e0b; font-size: 1rem; letter-spacing: 2px; margin-bottom: 16px; }
.testimonial-card p { font-size: .93rem; color: rgba(255,255,255,.78); line-height: 1.7; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; }
.author-avatar { width: 40px; height: 40px; background: linear-gradient(135deg, var(--blue), var(--teal)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; }
.testimonial-author strong { display: block; color: #fff; font-size: .9rem; }
.testimonial-author span   { font-size: .78rem; color: rgba(255,255,255,.5); }

/* ================================================================
   ABOUT
================================================================ */
#about { padding: 100px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text .section-tag { margin-bottom: 12px; }
.about-text h2 { font-family: var(--font-head); font-size: clamp(1.8rem, 2.5vw, 2.4rem); font-weight: 700; margin-bottom: 20px; }
.about-text p  { color: var(--text-sub); margin-bottom: 16px; }
.about-certs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.cert-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600;
  background: rgba(0,87,255,.07); color: var(--blue);
  padding: 8px 14px; border-radius: 8px; border: 1px solid rgba(0,87,255,.15);
}
.about-imgs { position: relative; }
.about-img-main img { border-radius: var(--radius-lg); width: 100%; height: 400px; object-fit: cover; box-shadow: var(--shadow-lg); }
.about-img-small {
  position: absolute; bottom: -24px; left: -24px;
  width: 200px; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 4px solid #fff;
}
.about-img-small img { width: 100%; height: 150px; object-fit: cover; }

/* ================================================================
   CTA BANNER
================================================================ */
#cta-banner { position: relative; padding: 100px 0; overflow: hidden; text-align: center; }
.cta-bg { position: absolute; inset: 0; z-index: 0; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,57,160,.92), rgba(0,87,255,.88)); }
.cta-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; padding: 0 24px; }
.cta-content h2 { font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-content p  { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 36px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* ================================================================
   CONTACT
================================================================ */
#contact { padding: 100px 0; background: var(--gray-bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* Form */
.contact-form-wrap { background: #fff; padding: 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body); font-size: .93rem;
  color: var(--text); background: var(--white);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,87,255,.1); }
.form-group textarea { resize: vertical; }

.form-success {
  display: flex; align-items: center; gap: 10px;
  background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0;
  padding: 14px 18px; border-radius: 8px; font-weight: 600;
  margin-top: 12px; font-size: .9rem;
}
.form-error {
  display: flex; align-items: center; gap: 10px;
  background: #fef2f2; color: #dc2626; border: 1px solid #fecaca;
  padding: 14px 18px; border-radius: 8px; font-weight: 600;
  margin-top: 12px; font-size: .9rem;
}

/* Contact info */
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-card {
  background: var(--dark); padding: 36px;
  border-radius: var(--radius-lg);
  flex: 1;
}
.contact-info-card h3 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 24px; }
.contact-detail { display: flex; gap: 14px; margin-bottom: 20px; }
.contact-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: rgba(0,87,255,.2); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
}
.contact-detail strong { display: block; font-size: .8rem; color: rgba(255,255,255,.5); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.contact-detail a, .contact-detail span { font-size: .9rem; color: rgba(255,255,255,.85); }
.contact-detail a:hover { color: var(--teal); }
.contact-social { display: flex; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); }
.contact-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.08); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); transition: all var(--trans);
}
.contact-social a:hover { background: var(--blue); color: #fff; }

.contact-img { border-radius: var(--radius); overflow: hidden; height: 180px; }
.contact-img img { width: 100%; height: 100%; object-fit: cover; }

/* ================================================================
   FOOTER
================================================================ */
#footer { background: var(--dark); }
.footer-top { padding: 64px 0 40px; border-bottom: 1px solid rgba(255,255,255,.06); }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand .nav-logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo-accent { color: var(--teal); }
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.5); line-height: 1.7; max-width: 280px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.07); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.5); transition: all var(--trans);
}
.footer-social a:hover { background: var(--blue); color: #fff; }
.footer-links h5 { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-links li { font-size: .88rem; color: rgba(255,255,255,.55); transition: color var(--trans); display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { padding: 20px 0; }
.footer-bottom .footer-container { display: flex; justify-content: space-between; align-items: center; grid-template-columns: none; gap: 0; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: .82rem; color: rgba(255,255,255,.35); transition: color var(--trans); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.7); }

/* Back to top */
#backToTop {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 44px; height: 44px;
  background: var(--blue); color: #fff; border: none; cursor: pointer;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; transform: translateY(20px);
  transition: all var(--trans);
}
#backToTop.visible { opacity: 1; transform: none; }
#backToTop:hover { background: var(--blue-dk); transform: translateY(-2px); }

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 1100px) {
  .hero-container { gap: 40px; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-img, .about-imgs { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-arrow { display: none; }
  .process-steps { gap: 16px; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 4px; box-shadow: var(--shadow-md); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; border-bottom: 1px solid var(--border); }
  .nav-links a:last-child { border-bottom: none; }
  .hamburger { display: flex; }

  #hero { padding: 100px 0 60px; }
  .hero-stats { flex-wrap: wrap; gap: 0; }
  .stat-item { min-width: 80px; }

  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .fb-stats { flex-direction: column; gap: 24px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-bottom .footer-container { flex-direction: column; gap: 12px; text-align: center; }
}