/* Base Styles */
:root {
  /* Brand Palette */
  --primary: #0A3771; /* Brand blue */
  --primary-600: #072a58; /* Darker brand blue */
  --accent: #0A3771; /* Accent aligned with brand blue */

  /* Neutrals */
  --bg: #ffffff; /* Page background */
  --surface: #ffffff; /* Cards / blocks */
  --muted-surface: #f5f5f5; /* Section separators */
  --outline: #e5e7eb; /* Light borders */

  /* Text */
  --text: #0f172a; /* Dark readable text */
  --text-muted: #475569; /* Muted text */

  /* States */
  --success: #22c55e;
  --danger: #ef4444;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);

  /* Footer */
  --footer-bg: #072a58; /* Darker brand variant for footer */
  --footer-text: #ffffff;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-top: 84px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Improve mobile tap behavior */
a, button { -webkit-tap-highlight-color: transparent; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
  width: 100%;
  max-width: 1120px;
  padding: 0 20px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--outline);
  color: var(--text);
  background: var(--muted-surface);
  transition: all .2s ease;
  font-weight: 600;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); border-color: transparent; color: #ffffff; }
.btn-primary:hover { filter: brightness(1.05); color: #ffffff; }
.btn-outline { background: transparent; border-color: var(--outline); }

.select { 
  background: var(--muted-surface); 
  color: var(--text); 
  border: 1px solid var(--outline); 
  border-radius: 10px; 
  padding: 10px 12px; 
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000; /* ensure above mobile menu */
  background: linear-gradient(135deg, rgba(10,55,113,0.95) 0%, rgba(7,42,88,0.98) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: all .3s ease;
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.site-header.scrolled { 
  background: linear-gradient(135deg, rgba(10,55,113,0.98) 0%, rgba(7,42,88,1) 100%); 
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo img { display: block; max-height: 56px; width: auto; object-fit: contain; }
.brand-text { display: inline-block; font-weight: 800; letter-spacing: 0.2px; color: #ffffff; text-transform: uppercase; }
.site-header .brand-text { font-size: clamp(18px, 3.6vw, 28px); color: #ffffff; }
.site-footer .brand-text { font-size: 20px; color: #ffffff; }

.nav { display: flex; align-items: center; gap: 16px; }
.nav-menu { display: flex; gap: 18px; }
.nav-menu a { color: rgba(255,255,255,0.8); padding: 8px 12px; border-radius: 8px; transition: all 0.2s ease; }
.nav-menu a:hover { color: #ffffff; background: rgba(255,255,255,0.1); }

.hamburger { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); align-items: center; justify-content: center; gap: 5px; }
.hamburger span { display: block; width: 18px; height: 2px; background: #ffffff; }
.cta-desktop { display: inline-flex; }
.cta-mobile { display: none; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}

.hero-media {
  position: absolute; 
  inset: 0;
  background-image: url('../assets/laptop.jpg');
  background-size: cover; /* fill entire hero while preserving aspect ratio */
  background-position: center center; /* center the image */
  background-repeat: no-repeat;
  opacity: 1; /* keep original image colors, no dulling */
  z-index: 1;
  will-change: transform, opacity;
  transform: translateZ(0);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(62%, 760px); /* overlay only on left for text */
  background: linear-gradient(90deg, rgba(10,55,113,0.50) 0%, rgba(7,42,88,0.35) 45%, rgba(0,0,0,0) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-content { 
  position: relative; 
  z-index: 3; 
  text-align: left; /* keep left-aligned on all screens */
  max-width: 600px;
  padding: 0 20px;
  margin: 0;
  margin-left: 60px;
}

.hero-brand {
  font-size: clamp(14px, 2.5vw, 18px);
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero h1 { 
  font-size: clamp(36px, 7vw, 64px); 
  line-height: 1.1; 
  margin: 0 0 20px; 
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero p { 
  color: rgba(255,255,255,0.9); 
  font-size: clamp(16px, 2.5vw, 20px); 
  margin: 0 0 32px; 
  line-height: 1.6;
  font-weight: 400;
  max-width: 600px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
  justify-content: flex-start;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
}

.feature-icon {
  color: #22c55e;
  font-weight: bold;
  font-size: 16px;
}

.hero-actions { 
  display: flex; 
  gap: 16px; 
  justify-content: flex-start; 
  flex-wrap: wrap; 
}

.hero-actions .btn {
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.hero-actions .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0,0,0,0.25);
}

.hero-actions .btn-outline {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  color: #ffffff;
}

.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  color: #ffffff;
}

/* Sections */
.section { padding: 64px 0; }
.section h2 { font-size: clamp(22px, 3.8vw, 32px); margin: 0 0 18px; }
.section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }

/* Alternating light separators */
.about, .services, .quote { background: var(--muted-surface); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 18px; align-items: center; text-align: left; }
.about-media { display: none; }
.about-media-logo { display: grid; place-items: center; }
.about-media-logo img { max-height: 80px; width: auto; filter: none; }
.about-text p { color: var(--text-muted); font-size: 18px; line-height: 1.8; }
/* About tabs */
.about-tabs { margin-top: 10px; }
.piled-buttons { display: inline-grid; grid-auto-flow: column; gap: 8px; position: relative; }
.piled-buttons .btn { position: relative; z-index: 1; border-radius: 12px; }
.piled-buttons .btn + .btn { margin-left: 0; }
.piled-buttons .btn:focus { z-index: 2; }
.about-panel { margin-top: 12px; }
.about-panel p { font-size: 18px; line-height: 1.8; color: var(--text-muted); }
.btn[aria-expanded="true"] { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: #fff; border-color: transparent; }
/* Larger button variant */
.btn-lg { padding: 14px 22px; font-size: 16px; }

/* Impact */
.impact-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.impact-card { background: var(--surface); border: 1px solid var(--outline); border-radius: 14px; padding: 18px; text-align: center; }
.impact-icon { font-size: 22px; margin-bottom: 6px; }
.impact-value { font-size: clamp(20px, 4.6vw, 28px); font-weight: 700; color: var(--primary); }
.impact-label { color: var(--text-muted); font-size: 14px; }

/* Products */
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.product-grid--text .product-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: 14px;
  padding: 16px;
  min-height: 120px;
  display: grid;
  align-content: center;
  cursor: default;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.product-grid--text .product-card:focus-within,
.product-grid--text .product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(10,55,113,0.25);
}
.product-title { margin: 0; font-size: 18px; color: var(--primary); }
.product-desc { margin: 6px 0 0; color: var(--text-muted); font-size: 14px; line-height: 1.5; }

/* Reveal description on hover/focus: slide + fade */
.product-grid--text .product-desc { 
  max-height: 0; 
  opacity: 0; 
  transform: translateY(-6px);
  overflow: hidden; 
  transition: max-height .3s ease, opacity .25s ease, transform .25s ease; 
}
.product-grid--text .product-card:hover .product-desc,
.product-grid--text .product-card:focus-within .product-desc {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
}

.products-note { 
  margin-top: 18px; 
  display: grid; 
  gap: 10px; 
  justify-items: start; 
}
.products-note p { margin: 0; color: var(--text-muted); }

/* Industries */
.industries-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.industry-card { position: relative; overflow: hidden; border-radius: 14px; border: 1px solid var(--outline); background: var(--surface); box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease; }
.industry-card img { width: 100%; height: 220px; object-fit: cover; display: block; filter: saturate(0.95); transition: transform .35s ease, filter .25s ease; }
.industry-card h3 { position: absolute; left: 12px; bottom: 10px; margin: 0; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.45); font-size: 18px; }
.industry-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.6)); transition: opacity .25s ease; opacity: 0.9; }
.industry-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(2,6,23,0.12); }
.industry-card:hover img { transform: scale(1.04); filter: saturate(1.05); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; }
.contact-form-wrapper { background: var(--surface); border: 1px solid var(--outline); border-radius: 16px; padding: 18px; }
.contact-side { display: grid; gap: 12px; align-content: stretch; }
.form-field { display: grid; gap: 6px; margin-bottom: 12px; }
.form-field input, .form-field textarea {
  background: var(--muted-surface); color: var(--text); border: 1px solid var(--outline); border-radius: 10px; padding: 10px 12px; font-size: 14px;
}
.error { color: var(--danger); min-height: 16px; font-size: 12px; }
.form-success { color: var(--success); margin-top: 10px; }

.map-wrapper { background: var(--surface); border: 1px solid var(--outline); border-radius: 16px; overflow: hidden; height: 100%; }
.map-animate { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.map-animate.in { opacity: 1; transform: translateY(0); }
.contact-info { margin-top: 12px; color: var(--text-muted); }
.social { display: flex; gap: 10px; margin-top: 6px; }
.social-icon { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--outline); background: var(--surface); color: var(--primary); font-weight: 700; text-transform: uppercase; font-size: 13px; }

/* Services */
.services {
  position: relative;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  overflow: hidden;
}

.services .container {
  position: relative;
  z-index: 2;
}

.services h2 {
  text-align: center;
  margin-bottom: 48px;
  color: var(--primary);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
}

.services-grid { 
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr)); /* 3 in a row on desktop */
  gap: 24px;
  margin-bottom: 40px;
}

.service-card { 
  background: var(--surface); 
  border: 1px solid var(--outline); 
  border-radius: 20px; 
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-600));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  border-color: rgba(10,55,113,0.2);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 24px;
  color: white;
  font-weight: 700;
}

.service-card h3 { 
  margin: 0 0 16px; 
  font-size: 20px; 
  color: var(--primary);
  font-weight: 600;
}

.service-card p { 
  margin: 0; 
  color: var(--text-muted); 
  font-size: 15px; 
  line-height: 1.6;
}

/* Quote */
.quote { background: linear-gradient(180deg, rgba(10,55,113,0.08), rgba(7,42,88,0.05)); border-top: 1px solid var(--outline); border-bottom: 1px solid var(--outline); }
.quote-inner { text-align: center; }
.quote .hero-actions { justify-content: center; }
.quote h2 { margin: 0 0 8px; }
.quote p { color: var(--text-muted); margin: 0 0 16px; }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-text); border-top: 1px solid var(--outline); }

/* Updated footer grid for better spacing and alignment */
.footer-grid {
  display: grid;
  /* MODIFIED: 4 equal columns for the four areas */
  grid-template-columns: repeat(4, 1fr);
  /* MODIFIED: Increased gap for better spacing */
  gap: 80px; 
  padding: 48px 0; 
  align-items: flex-start; 
}

.footer-brand img { max-height: 36px; width: auto; object-fit: contain; margin-bottom: 10px; }

.footer-links h3, .footer-contact h3, .footer-address h3, .footer-hours h3 {
  margin: 0 0 12px;
  font-size: 17px;
  color: #ffffff;
  font-weight: 600;
}

.footer-address p { color: #e5eaf2; font-size: 15px; line-height: 1.7; margin: 0 0 6px; }
.footer-links a { color: #e5eaf2; font-size: 15px; line-height: 1.7; display: inline-block; margin: 0 0 6px; }
.footer-links a:hover { color: #ffffff; }
.office-hours { margin-top: 8px; color: #e5eaf2; font-size: 15px; line-height: 1.7; }
.footer-contact p { color: #e5eaf2; font-size: 15px; line-height: 1.7; margin: 0 0 6px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 18px 0 30px; 
  color: #e5eaf2;
  font-size: 14px;
  text-align: center;
}

/* Responsive */
@media (max-width: 920px) {
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .impact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .services-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
  .service-card { padding: 24px 20px; }
  /* MODIFIED: Increased gap for tablet view */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 60px; padding: 36px 0; }
  .section { padding: 56px 0; }
  .gallery-item { height: 180px; }

  /* Enable mobile menu behavior at tablet/small laptop widths too */
  .hamburger { display: inline-flex; }
  .cta-desktop { display: none; }
  .cta-mobile { display: inline-flex; }
  .header-inner { height: 64px; }
  body { padding-top: 64px; }
  .nav-menu {
    position: fixed;
    inset: 64px 0 auto 0;
    height: auto;
    overflow-x: auto;
    overflow-y: hidden;
    background: linear-gradient(135deg, rgba(10,55,113,0.98) 0%, rgba(7,42,88,1) 100%);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    transform: translateY(-100%);
    transition: transform .2s ease, visibility .2s ease;
    z-index: 1500;
    visibility: hidden;
    pointer-events: none;
    white-space: nowrap;
  }
  .nav-menu.open { transform: translateY(0); visibility: visible; pointer-events: auto; }
  .nav-menu a { display: inline-block; padding: 8px 10px; font-size: 15px; border-radius: 10px; color: rgba(255,255,255,0.8); }
}

@media (max-width: 720px) {
  /* Services: two on top row, third centered below */
  .services-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 20px;
  }
  .services-grid .service-card:nth-child(3) {
    grid-column: 1 / -1;
    justify-self: center;
  }

  /* Mobile nav menu as column with centered CTA */
  .nav-menu {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px 10px;
  }
  .nav-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border-radius: 10px;
    background: linear-gradient(180deg, var(--primary), var(--primary-600));
    color: #fff;
    width: auto;
  }
  .nav-menu { height: auto; overflow-x: auto; overflow-y: hidden; display: flex; }
  .nav-menu.open { transform: translateY(0); visibility: visible; pointer-events: auto; }
  .hamburger { display: inline-flex; }
  .cta-desktop { display: none; }
  .header-inner { height: 64px; }
  .nav-menu a { display: inline-block; padding: 8px 10px; font-size: 15px; border-radius: 10px; color: rgba(255,255,255,0.8); }
  .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
  /* MODIFIED: Increased gap for mobile view */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 32px 0; }
  .section { padding: 48px 0; }
  .hero {
    min-height: 100vh;
    align-items: center; /* keep layout centered vertically */
    padding-bottom: 24px;
  }
  /* Fill screen while keeping atomic (right) visible */
  .hero-media { background-size: cover; background-position: right center; }
  /* Left-only overlay so atomic stays visible on right */
  .hero::before { width: min(62%, 760px); background: linear-gradient(90deg, rgba(10,55,113,0.55) 0%, rgba(7,42,88,0.35) 45%, rgba(0,0,0,0) 100%); }
  /* Larger, more readable hero text on mobile */
  .hero h1 { font-size: clamp(28px, 8.5vw, 40px); }
  .hero p { font-size: 17px; }
  .hero-content {
    text-align: left; /* keep left-aligned on mobile */
    margin-left: 20px;
    max-width: none;
    padding: 0 20px;
    padding-right: 0;
  }
  .hero-actions {
    justify-content: flex-start; /* keep buttons left */
  }
  .hero-features {
    flex-direction: column;
    align-items: flex-start; /* keep features left */
    gap: 16px;
    justify-content: flex-start;
  }
  .hero-feature {
    gap: 12px;
    align-items: flex-start; /* keep features left */
    justify-content: flex-start;
  }
  .hero-feature {
    font-size: 13px;
  }
}

/* Prevent background scroll when mobile menu open */
body.menu-open { overflow: hidden; }

/* Extra small devices */
@media (max-width: 480px) {
  .section { padding: 40px 0; }
  .hero h1 { font-size: clamp(26px, 9vw, 34px); }
  .hero p { font-size: 17px; }
  .btn { width: 100%; padding: 14px 18px; }
  .product-title { font-size: 17px; }
  .product-desc { font-size: 14px; }
  .gallery-item { height: 140px; }
  .form-field input, .form-field textarea { font-size: 16px; padding: 12px 14px; }
  .hero-media { background-attachment: scroll; }
  .hero-content {
    text-align: left; /* enforce left alignment */
    padding: 0 15px;
    margin-left: 16px;
    /* slightly tighter reservation on very small screens */
    padding-right: clamp(120px, 50vw, 360px);
  }
  .hero-actions .btn {
    padding: 14px 24px;
    font-size: 15px;
  }
  .hero-features {
    gap: 12px;
    align-items: flex-start; /* keep features left */
    justify-content: flex-start;
  }
  .hero-feature {
    font-size: 13px;
  }
}