/* ═══════════════════════════════════════════════════
   ACAU GROUP LTD — CSS
   Theme: Industrial Precision
   Colors: Navy Blue · Yellow · Engineering Green
════════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
html, body {
  overflow-x: hidden; /* Only constrain horizontal overflow */
  /* Remove any global 'height: 100%' or 'overflow: hidden' on body */
}

:root {
  --navy:      #1B3A6B;
  --navy-dark: #0D1F3C;
  --navy-mid:  #163060;
  --yellow:    #F5C400;
  --yellow-dk: #D4A800;
  --green:     #2D7A4F;
  --green-lt:  #3A9864;
  --cream:     #F4F2ED;
  --cream-dk:  #E8E5DC;
  --dark:      #111827;
  --text-body: #374151;
  --text-muted:#6B7280;
  --white:     #FFFFFF;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Lora', serif;
  --font-ui:      'Barlow', sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:  0 24px 64px rgba(0,0,0,.18);
  --shadow-xl:  0 40px 96px rgba(0,0,0,.24);

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--cream);
  overflow-x: hidden;
  line-height: 1.6;
}

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

/* ── Utility ── */
.section-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--yellow);
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--navy-dark);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,58,107,.35);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,58,107,.25);
}
.btn-yellow {
  background: var(--yellow);
  color: var(--navy-dark);
  border-color: var(--yellow);
}
.btn-yellow:hover {
  background: var(--yellow-dk);
  border-color: var(--yellow-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,196,0,.35);
}

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.75rem 0;
  transition: all 0.4s ease;
}
.site-nav.scrolled {
  background: rgba(13,31,60,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.75rem 0;
  box-shadow: 0 4px 32px rgba(0,0,0,.25);
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
  transition: color var(--transition);
}
.nav-logo:hover {
  color: var(--yellow);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 1rem; right: 1rem;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-cta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-dark);
  background: var(--yellow);
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  margin-left: 1rem;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: var(--yellow-dk);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245,196,0,.4);
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  margin-left: 0.5rem;
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-phone svg { width: 15px; height: 15px; stroke: var(--yellow); flex-shrink: 0; }
.nav-phone:hover { color: var(--yellow); }
@media (max-width: 1100px) {
  .nav-phone { display: none; }
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  transition: all 0.3s ease;
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy-dark);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-blueprint-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,196,0,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,196,0,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift {
  from { transform: translate(0, 0); }
  to   { transform: translate(60px, 60px); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 30% 50%, rgba(27,58,107,.5) 0%, var(--navy-dark) 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  overflow: hidden;
}

/* Hero Content */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}
.eyebrow-line {
  display: inline-block;
  width: 36px; height: 1px;
  background: var(--yellow);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.05em;
}
.title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 0.8s ease forwards;
}
.title-line[data-delay="0"]   { animation-delay: 0.4s; }
.title-line[data-delay="100"] { animation-delay: 0.55s; }
.title-line[data-delay="200"] { animation-delay: 0.7s; }

.title-accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--yellow);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255,255,255,.7);
  max-width: 480px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.85s forwards;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 1s forwards;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  opacity: 0;
  animation: fadeIn 1s ease 0.6s forwards;
}
@keyframes fadeIn {
  to { opacity: 1; }
}
.hero-image-wrap {
  position: relative;
  padding-top: 14px;
  padding-left: 14px;
}
.hero-image-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden; 
}
.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 31, 60, 0.5) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}
.hero-image-frame::after {
  content: '';
  position: absolute;
  top: -14px;
  left: -14px;
  right: 0;
  bottom: 0;
  background: var(--yellow);
  border-radius: var(--radius-lg);
  z-index: -1; /* Placed behind the photo card */
}
.hero-badge {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  width: 120px; height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.badge-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--yellow);
  animation: badgePulse 3s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,196,0,.4); }
  50%       { box-shadow: 0 0 0 12px rgba(245,196,0,0); }
}
.badge-text {
  position: relative;
  text-align: center;
  z-index: 1;
  line-height: 1.1;
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--navy-dark);
}
.badge-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy-dark);
}

/* Hero scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  animation: fadeIn 1s ease 1.5s both;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--yellow));
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .4; transform: scaleY(1); }
  50%       { opacity: 1;  transform: scaleY(1.1); }
}

/* ══════════════════════════════════════
   STATS BAR
══════════════════════════════════════ */
.stats-bar {
  background: var(--yellow);
  padding: 2.5rem 2rem;
}
.stats-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.2rem;
  flex: 1;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--navy-dark);
  line-height: 1;
}
.stat-num-sm {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
  display: inline;
  margin-left: -0.2em;
  vertical-align: top;
  margin-top: 0.15em;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.8;
}
.stat-divider {
  width: 1px;
  height: 3.5rem;
  background: rgba(27,58,107,.2);
  flex-shrink: 0;
}

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about {
  padding: 7rem 2rem;
  background: var(--cream);
}
.about-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-image-col {
  position: relative;
  display: grid;
  grid-template-columns: 3fr 2fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}
.about-image-main {
  grid-column: 1 / -1;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image-col-single {
  display: block;
}
.about-image-col-single .about-image-main {
  aspect-ratio: 4/3.4;
}
.about-image-accent {
  grid-column: 2 / 3;
  margin-top: -4rem;
  position: relative;
}
.about-image-accent > div:first-child,
.about-image-accent > img {
  aspect-ratio: 3/4;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--cream);
}
.about-image-accent img {
  aspect-ratio: 3/4;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 4px solid var(--cream);
}
.accent-caption {
  position: absolute;
  bottom: -1.25rem;
  left: 0;
  right: 0;
  background: var(--navy);
  color: rgba(255,255,255,.7);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.5rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.about-text-col {
  padding-top: 1rem;
}
.about-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 1.25rem;
}
.about-pillars {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.pillar {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.pillar-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--yellow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-dark);
}
.pillar-icon svg {
  width: 22px; height: 22px;
}
.pillar strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy-dark);
  margin-bottom: 0.2rem;
}
.pillar p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ══════════════════════════════════════
   SERVICES
══════════════════════════════════════ */
.services {
  padding: 7rem 2rem;
  background: var(--navy-dark);
}
.services-header {
  max-width: 1320px;
  margin: 0 auto 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}
.services-header .section-label { color: var(--yellow); }
.services-header .section-label::before { background: var(--green); }
.services-header .section-heading { color: var(--white); }
.services-intro {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  grid-column: 3;
  padding-top: 1rem;
}

.services-grid {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.25rem;
}

.service-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 340px;
  cursor: pointer;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
}
.service-card--large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  min-height: 560px;
}
.service-card--wide {
  grid-column: 2 / 4;
}

.service-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card-bg {
  transform: scale(1.06);
}
.service-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,31,60,.92) 0%, rgba(13,31,60,.3) 60%, transparent 100%);
  transition: opacity var(--transition);
}
.service-card:hover .service-card-bg::after {
  background: linear-gradient(to top, rgba(13,31,60,.97) 0%, rgba(13,31,60,.5) 70%, rgba(13,31,60,.1) 100%);
}

.service-card-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
}
.service-number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--yellow);
  margin-bottom: 0.75rem;
}
.service-card-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.service-card-content p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255,255,255,.65);
  max-width: 400px;
  margin-bottom: 1.25rem;
}
.service-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.3);
  color: var(--white);
  transition: all var(--transition);
}
.service-arrow svg {
  width: 18px; height: 18px;
}
.service-card:hover .service-arrow {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--navy-dark);
  transform: translateX(4px);
}

.services-footer {
  max-width: 1320px;
  margin: 2.5rem auto 0;
  text-align: center;
}
.services-footer .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.services-footer .btn-outline:hover {
  background: var(--yellow);
  color: var(--navy-dark);
  border-color: var(--yellow);
}

/* ══════════════════════════════════════
   WHY CHOOSE US
══════════════════════════════════════ */
.why-us {
  position: relative;
  padding: 7rem 2rem;
  background: var(--cream);
  overflow: hidden;
}
.why-blueprint {
  position: absolute;
  right: -5%;
  top: -10%;
  width: 60%;
  height: 120%;
  background-image:
    linear-gradient(rgba(27,58,107,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,58,107,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  border-left: 1px solid rgba(27,58,107,.07);
}

.why-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}
.why-heading { margin-bottom: 1.5rem; }
.why-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 2.5rem;
}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
}
.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.feature-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  transition: all var(--transition);
}
.feature-item:hover .feature-icon {
  background: var(--yellow);
  color: var(--navy-dark);
  transform: scale(1.1) rotate(-5deg);
}
.feature-icon svg {
  width: 22px; height: 22px;
}
.feature-text h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy-dark);
  margin-bottom: 0.35rem;
}
.feature-text p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ══════════════════════════════════════
   CERTIFICATION BADGES
══════════════════════════════════════ */
.cert-badges {
  padding: 4rem 2rem;
  background: var(--white);
  border-top: 1px solid rgba(27,58,107,.08);
  border-bottom: 1px solid rgba(27,58,107,.08);
}
.cert-badges-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.cert-badges .section-label {
  justify-content: center;
}
.cert-badges .section-label::before {
  display: none;
}
.cert-grid {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  min-width: 110px;
}
.cert-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 1.3rem;
}
.cert-item span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ══════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════ */
.testimonials {
  padding: 6rem 2rem;
  background: var(--cream);
}
.testimonials-inner {
  max-width: 800px;
  margin: 0 auto;
}
.testimonials .section-label {
  justify-content: center;
}
.testimonials .section-label::before {
  display: none;
}
.testimonial-card {
  margin-top: 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 3rem 2.5rem;
  text-align: center;
}
.testimonial-quote-icon {
  color: var(--yellow);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.testimonial-text {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 1.5rem;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.testimonial-name {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy-dark);
}
.testimonial-role {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════
   CTA
══════════════════════════════════════ */
.cta {
  position: relative;
  background: var(--navy-dark);
  padding: 7rem 2rem;
  overflow: hidden;
}
.cta-bg-element {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,196,0,.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-content .section-label::before { background: var(--navy-mid); }
.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.cta-heading em {
  font-style: normal;
  color: var(--yellow);
}
.cta-body {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
  max-width: 460px;
  margin-bottom: 2.5rem;
}
.cta-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-contact-quick {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.cta-contact-quick span {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: rgba(255,255,255,.4);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cta-contact-quick a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.cta-contact-quick a:hover { color: var(--white); }

.cta-image-wrap {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl);
}
.cta-image-wrap::before {
  content: '';
  position: absolute;
  top: -12px; right: -12px;
  bottom: 12px; left: 12px;
  border: 2px solid rgba(245,196,0,.3);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer {
  background: var(--dark);
  padding: 5rem 2rem 0;
  border-top: 3px solid var(--yellow);
}
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo-text {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
  transition: color var(--transition);
}
.footer-logo-text:hover {
  color: var(--yellow);
}

/* Footer logo image sizing */
.footer-brand img {
  display: block;
  height: auto;
  width: 100%;
  max-width: 250px;
  padding: 10px;
  border-radius: 10px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.5);
  transition: all var(--transition);
}
.social-link svg {
  width: 18px;
  height: 18px;
}
.social-link:hover {
  background: var(--yellow);
  color: var(--navy-dark);
  transform: translateY(-2px);
}
.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--green-lt);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-address {
  font-family: var(--font-ui);
  font-size: 0.83rem;
  line-height: 1.7;
  color: rgba(255,255,255,.4);
}

.footer-nav-group h5 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1.25rem;
}
.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-nav-group a {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-nav-group a:hover { color: var(--white); }

.footer-contact h5 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1.25rem;
}
.footer-email {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1rem;
  transition: color var(--transition);
  word-break: break-all;
}
.footer-email:hover { color: var(--yellow); }
.footer-phones {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1rem;
}
.footer-phones a {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-phones a:hover { color: var(--yellow); }
.footer-hours {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 1rem;
}
.hours-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
}
.hours-value {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: rgba(255,255,255,.6);
}

.footer-web {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: rgba(255,255,255,.35);
  transition: color var(--transition);
}
.footer-web:hover { color: var(--green-lt); }

.footer-bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-bottom p {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: rgba(255,255,255,.25);
}
.footer-accent-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--yellow), transparent);
  opacity: 0.3;
}

/* ══════════════════════════════════════
   SCROLL REVEAL
══════════════════════════════════════ */
.reveal-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-section.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 8rem;
    gap: 3rem;
  }
  .hero-eyebrow { justify-content: center; }
  .hero-body { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual {
    position: relative;
    opacity: 0;
    animation: fadeIn 1s ease 0.6s forwards;
  }
  .hero-scroll-cue { display: none; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-image-col {
    display: none;
  }

  .services-header {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .services-intro { grid-column: 1; padding-top: 0; }

  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .service-card--large {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 360px;
  }
  .service-card--wide {
    grid-column: 1 / -1;
  }

  .why-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 992px) {
  /* 1. Ensure the header itself never expands past its normal bar height */
  .site-nav {
    height: auto !important;
  }

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

  /* 2. Hamburger button stays fixed at top right above overlay */
  .nav-toggle { 
    display: flex; 
    z-index: 1001; 
  }

  /* 3. Mobile Fullscreen Overlay */
  .nav-links.open {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    
    /* Force fixed position relative to VIEWPORT, not header padding */
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    
    background: var(--navy-dark) !important;
    z-index: 1000 !important;
    padding: 2rem;
  }

  .nav-links.open .nav-link {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 3rem; }
  .section-heading { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
}


/* ── HYBRID SERVICES GRID ── */
.services-grid-v2 {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card-v2 {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card-v2::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card-v2:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-v2:hover::before {
  transform: scaleX(1);
}

.service-icon-v2 {
  width: 52px;
  height: 52px;
  background: rgba(245, 196, 0, 0.15); /* Faded Yellow */
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--navy-dark);
  transition: all var(--transition);
}

.service-card-v2:hover .service-icon-v2 {
  background: var(--yellow);
  color: var(--navy-dark);
}

.service-card-v2 h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.service-card-v2 p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link-v2 {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: gap var(--transition), color var(--transition);
}

.service-link-v2:hover { 
  gap: 10px; 
  color: var(--yellow-dk); 
}

/* Responsive adjustment for the new grid */
@media (max-width: 1100px) {
  .services-grid-v2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .services-grid-v2 { grid-template-columns: 1fr; }
}
/* ══════════════════════════════════════
   PROJECT GALLERY SLIDER
══════════════════════════════════════ */
.gallery-section {
  padding: 6rem 2rem;
  background: var(--navy-dark);
}
.gallery-header {
  max-width: 1320px;
  margin: 0 auto 3rem;
  text-align: center;
}
.gallery-header .section-label {
  justify-content: center;
  color: var(--yellow);
}
.gallery-header .section-label::before { background: var(--yellow); }
.gallery-header .section-heading { color: var(--white); }
.gallery-subhead {
  font-family: var(--font-body);
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  margin-top: 0.75rem;
}

.gallery-slider-wrap {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.gallery-track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}
.gallery-slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-slide:hover img { transform: scale(1.03); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 3rem 2.5rem 2rem;
  background: linear-gradient(to top, rgba(13,31,60,.92) 0%, transparent 100%);
  color: var(--white);
}
.gallery-tag {
  display: inline-block;
  background: var(--yellow);
  color: var(--navy-dark);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.7rem;
  border-radius: 3px;
  margin-bottom: 0.5rem;
}
.gallery-caption h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}
.gallery-caption p {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: rgba(255,255,255,.65);
}

/* Nav buttons */
.gallery-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(13,31,60,.7);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--white);
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(4px);
}
.gallery-btn:hover {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--navy-dark);
}
.gallery-btn svg { width: 20px; height: 20px; }
.gallery-prev { left: 1rem; }
.gallery-next { right: 1rem; }

/* Dots */
.gallery-dots {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  display: flex;
  gap: 6px;
  z-index: 10;
}
.gallery-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
  padding: 0;
}
.gallery-dot.active {
  background: var(--yellow);
  transform: scale(1.3);
}

/* ══════════════════════════════════════
   FLOATING WHATSAPP BUBBLE
══════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.wa-float-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,.45);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}
.wa-float-icon svg { width: 30px; height: 30px; fill: #fff; }
.wa-float:hover .wa-float-icon {
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37,211,102,.6);
}
.wa-float-label {
  background: var(--navy-dark);
  color: var(--white);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.wa-float:hover .wa-float-label {
  opacity: 1;
  transform: translateX(0);
}

/* Pulse ring */
.wa-float-icon::after {
  content: '';
  position: absolute;
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: waPulse 2.5s ease-out infinite;
}
@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

@media (max-width: 480px) {
  .wa-float { bottom: 1.25rem; right: 1.25rem; }
  .wa-float-label { display: none; }
  .gallery-btn { width: 38px; height: 38px; }
  .gallery-caption h3 { font-size: 1.4rem; }
}

/* ── INTERACTIVE STRUCTURAL CANVAS ── */
#structural-network {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0; /* Keeps it behind the overlay and text */
}