/* ================================================================
   DOS Engineering & Automation — Site Stylesheet
   v3 — Precision Industrial
   ================================================================ */

/* --- Variables -------------------------------------------------- */
:root {
  --c-bg:        #0c0f12;
  --c-bg-2:      #111620;
  --c-bg-card:   rgba(255, 255, 255, 0.03);
  --c-border:    rgba(255, 255, 255, 0.08);
  --c-border-2:  rgba(255, 255, 255, 0.14);
  --c-accent:    #c69a3a;
  --c-accent-h:  #d9b356;
  --c-text:      #c8ced6;
  --c-muted:     rgba(200, 206, 214, 0.52);
  --c-heading:   #f0f2f5;
  --nav-h:       72px;
  --radius:      6px;
  --max-w:       1140px;
  --ease:        0.22s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: 'Source Sans Pro', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Film grain texture — subtle premium feel */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.038'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  background-repeat: repeat;
}

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

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

ul { list-style: none; }

/* --- Typography ------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Barlow', sans-serif;
  color: var(--c-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.6rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.1rem; }

p { margin-bottom: 1.2rem; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; color: var(--c-heading); }

/* --- Layout ---------------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5.5rem 0; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Barlow', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.9rem;
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--c-accent);
  flex-shrink: 0;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3.5rem;
}

.section-header h2 { margin-bottom: 1rem; }

.section-intro {
  color: var(--c-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Animated divider — wipes in from left on scroll reveal */
.divider {
  width: 40px;
  height: 2px;
  background: var(--c-accent);
  margin: 1.5rem 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
}

[data-reveal].is-visible .divider {
  transform: scaleX(1);
}

/* --- Scroll Reveal System -------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal="left"]  { transform: translateX(-26px); }
[data-reveal="right"] { transform: translateX(26px); }
[data-reveal="fade"]  { transform: none; }
[data-reveal="scale"] { transform: scale(0.96); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }
[data-delay="4"] { transition-delay: 0.32s; }
[data-delay="5"] { transition-delay: 0.40s; }
[data-delay="6"] { transition-delay: 0.48s; }

/* --- Buttons --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.82rem 1.9rem;
  font-family: 'Barlow', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  transition: background var(--ease), color var(--ease),
              border-color var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}

/* Shimmer sweep on primary button */
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
  transition: left 0.55s ease;
}

.btn-primary:hover {
  background: var(--c-accent-h);
  border-color: var(--c-accent-h);
  box-shadow: 0 4px 28px rgba(198, 154, 58, 0.35);
}

.btn-primary:hover::after { left: 100%; }

.btn-outline {
  background: transparent;
  color: rgba(240, 242, 245, 0.85);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-outline:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(198, 154, 58, 0.04);
}

/* --- Navbar ---------------------------------------------------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--ease), box-shadow var(--ease), border-bottom-color var(--ease);
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  background: rgba(9, 12, 16, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--c-border);
  box-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo img {
  height: 42px;
  width: 42px;
  object-fit: contain;
}

.nav-logo-text {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-heading);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.nav-logo-sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--c-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-left: auto;
}

.nav-links a {
  font-family: 'Barlow', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(240, 242, 245, 0.72);
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  transition: color var(--ease), background var(--ease);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.9rem;
  right: 0.9rem;
  height: 1.5px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--c-heading);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  flex-shrink: 0;
  background: var(--c-accent);
  color: #fff;
  font-family: 'Barlow', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: background var(--ease), box-shadow var(--ease);
}

.nav-cta::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transition: left 0.5s ease;
}

.nav-cta:hover {
  background: var(--c-accent-h);
  box-shadow: 0 2px 18px rgba(198, 154, 58, 0.35);
}

.nav-cta:hover::after { left: 100%; }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-heading);
  transition: transform 0.22s ease, opacity 0.22s ease;
  transform-origin: center;
}

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

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(9, 12, 16, 0.99);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  padding: 1.5rem 2rem 2rem;
  z-index: 999;
}

.nav-mobile.open { display: block; }

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}

.nav-mobile ul a {
  display: block;
  font-family: 'Barlow', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--c-text);
  padding: 0.85rem 0.25rem;
  border-bottom: 1px solid var(--c-border);
}

.nav-mobile ul li:last-child a { border-bottom: none; }
.nav-mobile .btn { width: 100%; justify-content: center; }

/* --- Hero ------------------------------------------------------ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../../images/bg.jpg');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Layer 1: warm gold ambient glow — top left */
.hero-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 12% 45%,
    rgba(198, 154, 58, 0.09) 0%,
    transparent 55%
  );
  animation: heroGlow 10s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { opacity: 0.55; }
  to   { opacity: 1; }
}

/* Layer 2: main dark overlay */
.hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(6,9,14,0.88) 0%, rgba(10,14,20,0.65) 55%, rgba(6,9,14,0.75) 100%),
    linear-gradient(to top, rgba(12,15,18,1) 0%, rgba(12,15,18,0.2) 28%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 5.5rem) 2rem 7rem;
}

/* Staggered hero entrance */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Barlow', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.6rem;
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.25s forwards;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 2px;
  background: var(--c-accent);
  flex-shrink: 0;
}

.hero-content h1 {
  max-width: 760px;
  font-size: clamp(3rem, 5.8vw, 4.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin-bottom: 1.75rem;
}

.h1-line {
  display: block;
  opacity: 0;
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.h1-line:nth-child(1) { animation-delay: 0.4s; }
.h1-line:nth-child(2) { animation-delay: 0.55s; }

/* Animated gold gradient on "Precision" */
.hero-content h1 em {
  font-style: normal;
  background: linear-gradient(
    110deg,
    #a87820 0%,
    #c69a3a 25%,
    #eacf72 50%,
    #c69a3a 75%,
    #a87820 100%
  );
  background-size: 250% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: goldFlow 6s linear infinite;
}

@keyframes goldFlow {
  0%   { background-position: 0% center; }
  100% { background-position: 250% center; }
}

.hero-sub {
  max-width: 530px;
  font-size: 1.1rem;
  color: rgba(210, 218, 228, 0.75);
  font-weight: 300;
  line-height: 1.78;
  margin-bottom: 2.75rem;
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.85s forwards;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.28);
  transition: color var(--ease);
  animation: scrollPulse 2.8s ease-in-out infinite;
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16,1,0.3,1) 1.2s forwards,
             scrollPulse 2.8s ease-in-out 2.2s infinite;
}

.hero-scroll:hover { color: var(--c-accent); }

.hero-scroll-label {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: 'Barlow', sans-serif;
  font-weight: 500;
}

.hero-scroll-arrow {
  width: 16px;
  height: 16px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: 3px;
}

@keyframes scrollPulse {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* --- Credentials Bar ------------------------------------------- */
.creds-bar {
  background: #0a0d10;
  border-bottom: 1px solid var(--c-border);
  padding: 1.3rem 0;
  position: relative;
  z-index: 10;
}

.creds-inner {
  display: flex;
  align-items: center;
}

.cred-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.25rem 2rem;
  transition: opacity var(--ease);
}

.cred-item:hover { opacity: 0.85; }

.cred-icon {
  color: var(--c-accent);
  font-size: 0.95rem;
  flex-shrink: 0;
  opacity: 0.85;
  width: 16px;
  text-align: center;
}

.cred-label {
  display: block;
  font-size: 0.63rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  font-weight: 600;
  font-family: 'Barlow', sans-serif;
  margin-bottom: 0.1rem;
}

.cred-value {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--c-heading);
  font-family: 'Barlow', sans-serif;
  letter-spacing: 0.01em;
}

.cred-sep {
  width: 1px;
  height: 30px;
  background: var(--c-border);
  flex-shrink: 0;
}

/* --- Overview -------------------------------------------------- */
#overview {
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-border);
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: start;
}

.overview-text h2 { margin-bottom: 1.5rem; }
.overview-text p  { margin-bottom: 1.1rem; }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--c-accent);
  font-family: 'Barlow', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-top: 1.25rem;
  transition: gap var(--ease), color var(--ease);
}

.btn-link:hover { gap: 0.75rem; color: var(--c-accent-h); }
.btn-link i { font-size: 0.75rem; }

.overview-sidebar {
  border-left: 1px solid var(--c-border);
  padding-left: 3.5rem;
  padding-top: 0.5rem;
}

.industry-list { margin-top: 1.25rem; }

.industry-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.88rem 0;
  border-bottom: 1px solid var(--c-border);
  font-family: 'Barlow', sans-serif;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--c-text);
  transition: color var(--ease), padding-left var(--ease);
  cursor: default;
}

.industry-item:first-child { border-top: 1px solid var(--c-border); }
.industry-item:hover { color: var(--c-heading); padding-left: 5px; }

.industry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
  opacity: 0.65;
  transition: opacity var(--ease), transform var(--ease);
}

.industry-item:hover .industry-dot {
  opacity: 1;
  transform: scale(1.3);
}

/* --- Services -------------------------------------------------- */
#services { background: var(--c-bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
}

.service-card {
  background: var(--c-bg-2);
  padding: 2.5rem 2rem 2.75rem;
  position: relative;
  transition: background var(--ease);
  overflow: hidden;
}

/* Large background number */
.service-num {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-family: 'Barlow', sans-serif;
  font-size: 5.5rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
  transition: color 0.35s ease;
}

/* Gold underline that sweeps in on hover */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-h));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover { background: rgba(255, 255, 255, 0.02); }
.service-card:hover::after { transform: scaleX(1); }
.service-card:hover .service-num { color: rgba(198, 154, 58, 0.1); }

.service-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(198, 154, 58, 0.1);
  color: var(--c-accent);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  transition: background var(--ease), transform var(--ease);
}

.service-card:hover .service-icon {
  background: rgba(198, 154, 58, 0.18);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: 0.7rem;
  line-height: 1.35;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.68;
  margin: 0;
}

/* --- Why DOS-E&A ----------------------------------------------- */
#why {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  position: relative;
}

/* Subtle grid texture — adds industrial depth */
#why::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.016) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.why-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-card {
  padding: 2rem 1.75rem 2.25rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
  cursor: default;
}

.why-card:hover {
  border-color: rgba(198, 154, 58, 0.35);
  background: rgba(198, 154, 58, 0.035);
  transform: translateY(-3px);
}

.why-icon {
  color: var(--c-accent);
  font-size: 1.5rem;
  margin-bottom: 1.15rem;
}

.why-card h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.why-card p {
  font-size: 0.86rem;
  color: var(--c-muted);
  line-height: 1.68;
  margin: 0;
}

/* --- About ----------------------------------------------------- */
#about { background: var(--c-bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: var(--radius);
  transition: transform 0.7s ease;
}

.about-image:hover img { transform: scale(1.03); }

/* Corner accent on the image */
.about-image::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 60px; height: 60px;
  border-top: 2px solid var(--c-accent);
  border-left: 2px solid var(--c-accent);
  z-index: 1;
  pointer-events: none;
  border-radius: var(--radius) 0 0 0;
}

.about-image::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 60px; height: 60px;
  border-bottom: 2px solid var(--c-accent);
  border-right: 2px solid var(--c-accent);
  z-index: 1;
  pointer-events: none;
  border-radius: 0 0 var(--radius) 0;
}

.about-text h2 { margin-bottom: 1.5rem; }
.about-text p  { margin-bottom: 1.1rem; }

.expertise-list {
  margin-top: 2.25rem;
  border-top: 1px solid var(--c-border);
}

.expertise-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: padding-left var(--ease);
}

.expertise-item:hover { padding-left: 5px; }

.expertise-item strong {
  font-family: 'Barlow', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-heading);
  letter-spacing: 0.02em;
}

.expertise-item span {
  font-size: 0.84rem;
  color: var(--c-muted);
  line-height: 1.5;
}

/* --- Contact --------------------------------------------------- */
#contact {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 0.75rem; }
.contact-info > .lead {
  color: var(--c-muted);
  margin-bottom: 2.75rem;
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.contact-detail {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-detail-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(198, 154, 58, 0.1);
  color: var(--c-accent);
  font-size: 0.85rem;
  transition: background var(--ease), transform var(--ease);
}

.contact-detail:hover .contact-detail-icon {
  background: rgba(198, 154, 58, 0.18);
  transform: scale(1.05);
}

.contact-detail-label {
  font-family: 'Barlow', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.15rem;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--c-text);
  line-height: 1.5;
}

.contact-detail-value a { transition: color var(--ease); }
.contact-detail-value a:hover { color: var(--c-accent); }

.contact-social { display: flex; gap: 0.6rem; }

.contact-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--c-border-2);
  color: var(--c-muted);
  font-size: 0.9rem;
  transition: border-color var(--ease), color var(--ease), background var(--ease), transform var(--ease);
}

.contact-social a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(198, 154, 58, 0.08);
  transform: translateY(-2px);
}

/* Form panel */
.contact-form-wrap {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--c-border);
  border-radius: calc(var(--radius) + 2px);
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-field:last-of-type { margin-bottom: 0; }

.form-field label {
  font-family: 'Barlow', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.form-field input,
.form-field textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius);
  color: var(--c-text);
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  padding: 0.75rem 1rem;
  width: 100%;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(200, 206, 214, 0.25); }

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--c-accent);
  background: rgba(198, 154, 58, 0.04);
  box-shadow: 0 0 0 3px rgba(198, 154, 58, 0.1);
}

.form-field textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

.form-actions {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--c-border);
}

.btn-submit {
  background: var(--c-accent);
  color: #fff;
  font-family: 'Barlow', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.82rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--ease), box-shadow var(--ease);
}

.btn-submit::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transition: left 0.5s ease;
}

.btn-submit:hover {
  background: var(--c-accent-h);
  box-shadow: 0 4px 22px rgba(198, 154, 58, 0.35);
}

.btn-submit:hover::after { left: 100%; }

.btn-clear {
  background: transparent;
  border: 1px solid var(--c-border-2);
  color: var(--c-muted);
  font-family: 'Barlow', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.82rem 1.4rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease);
}

.btn-clear:hover {
  color: var(--c-text);
  border-color: rgba(255, 255, 255, 0.25);
}

/* --- Footer ---------------------------------------------------- */
#footer {
  background: #080b0e;
  border-top: 1px solid var(--c-border);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-border);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand-logo img {
  height: 36px;
  width: 36px;
  object-fit: contain;
  opacity: 0.85;
}

.footer-brand-name {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-heading);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 280px;
}

.footer-social { display: flex; gap: 0.6rem; }

.footer-social a {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  font-size: 0.8rem;
  transition: color var(--ease), border-color var(--ease), transform var(--ease);
}

.footer-social a:hover {
  color: var(--c-accent);
  border-color: rgba(198, 154, 58, 0.4);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: 'Barlow', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-heading);
  margin-bottom: 1.4rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }

.footer-col ul a {
  font-size: 0.875rem;
  color: var(--c-muted);
  transition: color var(--ease), padding-left var(--ease);
  display: inline-block;
}

.footer-col ul a:hover { color: var(--c-text); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.85rem;
}

.footer-contact-item i {
  color: var(--c-accent);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  flex-shrink: 0;
  width: 14px;
  text-align: center;
}

.footer-contact-item span,
.footer-contact-item a {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.55;
}

.footer-contact-item a:hover { color: var(--c-accent); }

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.78rem;
  color: rgba(200, 206, 214, 0.28);
  letter-spacing: 0.04em;
}

/* --- Responsive ----------------------------------------------- */
@media (max-width: 1024px) {
  .why-grid         { grid-template-columns: repeat(2, 1fr); }
  .services-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-grid > .footer-brand { grid-column: 1 / -1; }
  .cred-item        { padding: 0.25rem 1.25rem; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  section { padding: 3.5rem 0; }

  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }

  .overview-grid      { grid-template-columns: 1fr; gap: 3rem; }
  .overview-sidebar   { border-left: none; padding-left: 0; border-top: 1px solid var(--c-border); padding-top: 3rem; }
  .about-grid         { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-image img    { height: 320px; }
  .contact-grid       { grid-template-columns: 1fr; gap: 3rem; }
  .services-grid      { grid-template-columns: 1fr; }
  .why-grid           { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .form-row           { grid-template-columns: 1fr; }
  .footer-grid        { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom      { flex-direction: column; text-align: center; }

  .hero-content {
    padding-top: calc(var(--nav-h) + 3.5rem);
    padding-bottom: 5rem;
  }
  .hero-scroll { display: none; }

  .creds-inner {
    flex-wrap: wrap;
    gap: 1.25rem;
  }
  .cred-sep   { display: none; }
  .cred-item  { padding: 0; flex: 0 0 calc(50% - 0.625rem); }
}

@media (max-width: 480px) {
  .hero-actions           { flex-direction: column; }
  .hero-actions .btn      { justify-content: center; }
  .contact-form-wrap      { padding: 1.5rem; }
  .why-grid               { grid-template-columns: 1fr; }
  .cred-item              { flex: 0 0 100%; }
  .service-num            { font-size: 4rem; }
}