/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:       #0099CC;
  --blue-dark:  #006A8E;
  --blue-light: #00C5E8;
  --cyan:       #29ABE2;
  --sky:        #EBF7FF;
  --white:      #FFFFFF;
  --gray:       #F4F8FB;
  --text:       #1A2B38;
  --muted:      #5A7A8A;
  --radius:     14px;
  --shadow:     0 8px 32px rgba(0,153,204,.13);
  --shadow-lg:  0 16px 56px rgba(0,153,204,.20);
  --trans:      .3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,153,204,.12);
  transition: box-shadow var(--trans);
}
header.scrolled { box-shadow: 0 4px 24px rgba(0,153,204,.15); }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue-dark);
  white-space: nowrap;
}
.logo img { width: 46px; height: 46px; object-fit: contain; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: .93rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--trans);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: width var(--trans);
}
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(0,153,204,.3);
  transition: transform var(--trans), box-shadow var(--trans) !important;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,153,204,.4) !important; }
.nav-cta::after { display: none !important; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2.5px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: var(--trans);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #003F5C 0%, #006A8E 45%, #0099CC 100%);
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero-bg-circles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-bg-circles span {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}
.hero-bg-circles span:nth-child(1) { width: 600px; height: 600px; top: -200px; right: -150px; }
.hero-bg-circles span:nth-child(2) { width: 400px; height: 400px; bottom: -100px; left: -100px; background: rgba(255,255,255,.04); }
.hero-bg-circles span:nth-child(3) { width: 200px; height: 200px; top: 50%; left: 35%; background: rgba(41,171,226,.15); }

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: 80px 0;
  position: relative;
  z-index: 1;
}
.hero-text { flex: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: #4DFFB4;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 8px;
}
.hero-text h1 span { color: var(--blue-light); }
.hero-text h2 {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: rgba(255,255,255,.75);
  margin-bottom: 24px;
  letter-spacing: .01em;
}
.hero-text p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  max-width: 480px;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--blue-dark);
  font-weight: 700;
  font-size: .98rem;
  padding: 14px 30px;
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  transition: transform var(--trans), box-shadow var(--trans);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.28); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.12);
  border: 2px solid rgba(255,255,255,.4);
  color: var(--white);
  font-weight: 600;
  font-size: .98rem;
  padding: 14px 30px;
  border-radius: 50px;
  transition: background var(--trans), border-color var(--trans);
}
.btn-secondary:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.7); }

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.stat { text-align: left; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-num span { color: var(--blue-light); }
.stat-label { font-size: .82rem; color: rgba(255,255,255,.65); margin-top: 4px; font-weight: 500; letter-spacing: .02em; }

.hero-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo-wrap {
  width: 280px; height: 280px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 24px 64px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.2);
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.hero-logo-wrap img { width: 200px; height: 200px; object-fit: contain; filter: drop-shadow(0 4px 16px rgba(0,0,0,.2)); }

/* ===== SECTION LABELS ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-label::before { content: ''; width: 20px; height: 2px; background: var(--blue); border-radius: 2px; }

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title span { color: var(--blue); }
.section-sub { font-size: 1.02rem; color: var(--muted); max-width: 560px; line-height: 1.7; }

/* ===== SERVICES ===== */
#services { padding: 100px 0; background: var(--white); }
.services-header { margin-bottom: 64px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1.5px solid rgba(0,153,204,.1);
  border-radius: var(--radius);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,153,204,.25);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 80px; height: 80px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
  transition: transform var(--trans), box-shadow var(--trans);
  flex-shrink: 0;
}
.service-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card:hover .service-icon { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0,153,204,.3); }

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.service-card p { font-size: .93rem; color: var(--muted); line-height: 1.7; }

.service-bg-num {
  position: absolute;
  bottom: -20px; right: -10px;
  font-size: 7rem;
  font-weight: 900;
  color: rgba(0,153,204,.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  transition: color var(--trans);
}
.service-card:hover .service-bg-num { color: rgba(0,153,204,.07); }

/* ===== WHY US ===== */
#why { padding: 100px 0; background: var(--gray); }
.why-inner {
  display: flex;
  align-items: center;
  gap: 80px;
}
.why-text { flex: 1; }
.why-list { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--white);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 2px 12px rgba(0,153,204,.07);
  transition: transform var(--trans), box-shadow var(--trans);
}
.why-item:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.why-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.why-icon svg { width: 22px; height: 22px; color: var(--white); }
.why-item h4 { font-size: .97rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.why-item p { font-size: .88rem; color: var(--muted); }

.why-visual { flex: 0 0 380px; }
.why-card-stack { position: relative; height: 420px; }
.why-main-card {
  background: linear-gradient(160deg, var(--blue-dark), var(--blue));
  border-radius: 20px;
  padding: 44px 40px;
  color: var(--white);
  position: absolute;
  top: 40px; left: 0; right: 40px;
  box-shadow: var(--shadow-lg);
}
.why-main-card h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 12px; }
.why-main-card p { font-size: .95rem; opacity: .85; line-height: 1.7; margin-bottom: 28px; }
.why-phone-big {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 14px 20px;
  backdrop-filter: blur(8px);
}
.why-phone-big svg { width: 24px; height: 24px; color: #4DFFB4; flex-shrink: 0; }
.why-phone-big span { font-size: 1.2rem; font-weight: 700; letter-spacing: .03em; }
.why-float-card {
  position: absolute;
  bottom: 0; right: 0;
  background: var(--white);
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 190px;
}
.why-float-card svg { width: 28px; height: 28px; color: var(--blue); flex-shrink: 0; }
.why-float-card strong { display: block; font-size: .97rem; color: var(--text); }
.why-float-card small { font-size: .8rem; color: var(--muted); }

/* ===== CONTACT ===== */
#contact { padding: 100px 0; background: var(--white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info .section-sub { margin-bottom: 40px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  background: var(--gray);
  border-radius: 12px;
  transition: transform var(--trans), box-shadow var(--trans);
}
.contact-item:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.contact-item a:hover .contact-item-label { color: var(--blue); }
.ci-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ci-icon svg { width: 22px; height: 22px; color: var(--white); }
.contact-item-label { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 3px; }
.contact-item-value { font-size: 1rem; font-weight: 600; color: var(--text); }
.contact-item-value a { color: var(--text); transition: color var(--trans); }
.contact-item-value a:hover { color: var(--blue); }

.social-row { display: flex; gap: 14px; margin-top: 28px; }
.social-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  border-radius: 50px;
  font-size: .88rem;
  font-weight: 600;
  transition: transform var(--trans), box-shadow var(--trans);
  border: 2px solid;
}
.social-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.social-btn.instagram {
  color: #E1306C;
  border-color: #E1306C;
}
.social-btn.instagram:hover { background: #fef0f5; }
.social-btn svg { width: 18px; height: 18px; }

.map-wrap {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(0,153,204,.12);
  height: 100%;
  min-height: 420px;
}
.map-wrap iframe { width: 100%; height: 100%; min-height: 420px; border: 0; display: block; }
.map-facade {
  width: 100%; height: 100%; min-height: 420px;
  background: linear-gradient(135deg, #0d1f3c, #0f2a4a);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: inherit; position: relative; overflow: hidden;
}
.map-facade::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,153,204,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(0,153,204,.07) 1px, transparent 1px);
  background-size: 44px 44px;
}
.map-facade-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center; color: white; padding: 32px;
}
.map-facade-inner svg { width: 52px; height: 52px; color: var(--blue-light); opacity: .9; }
.map-facade-inner strong { display: block; font-size: 1rem; font-weight: 700; }
.map-facade-inner span { display: block; font-size: .82rem; opacity: .6; margin-top: 2px; }
.map-facade-btn {
  margin-top: 4px; padding: 10px 28px;
  background: var(--blue-light); border: none; border-radius: 8px;
  color: white; font-size: .9rem; font-weight: 600; cursor: pointer;
  transition: background var(--trans), transform var(--trans);
}
.map-facade-btn:hover { background: var(--blue-dark); transform: translateY(-2px); }

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(160deg, #002233, #00384D);
  color: rgba(255,255,255,.75);
  padding: 56px 0 28px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 28px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.footer-logo img { width: 50px; height: 50px; object-fit: contain; }
.footer-tagline { font-size: .85rem; color: rgba(255,255,255,.5); margin-top: 6px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .9rem; transition: color var(--trans); }
.footer-links a:hover { color: var(--blue-light); }
.footer-contact-list { display: flex; flex-direction: column; gap: 10px; }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; font-size: .9rem; list-style: none; }
.footer-contact-list svg { width: 16px; height: 16px; color: var(--blue-light); flex-shrink: 0; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.5); transition: color var(--trans); }
.footer-bottom a:hover { color: var(--blue-light); }

/* ===== FLOATING CALL BTN ===== */
.fab-call {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 24px;
  border-radius: 50px;
  box-shadow: 0 8px 28px rgba(0,153,204,.45);
  transition: transform var(--trans), box-shadow var(--trans);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.fab-call:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,153,204,.55); }
.fab-call svg { width: 20px; height: 20px; }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 28px; left: 28px;
  z-index: 200;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-light));
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0,153,204,.45);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--trans), transform var(--trans), box-shadow var(--trans);
}
.back-to-top.visible { opacity: 1; transform: none; pointer-events: all; }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 0 0 6px rgba(0,153,204,.2), 0 8px 28px rgba(0,153,204,.55); }
.back-to-top svg { width: 20px; height: 20px; color: #fff; }

/* ===== SCROLL PROGRESS BAR ===== */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-light), #4DFFB4);
  z-index: 300;
  transition: width .08s linear;
  pointer-events: none;
}

/* ===== GALLERY ===== */
#gallery { padding: 100px 0; background: var(--sky); }
.gallery-header { margin-bottom: 56px; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: box-shadow var(--trans), transform var(--trans);
  position: relative;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.1) 55%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 18px 20px;
  opacity: 0;
  transition: opacity .3s ease;
}
.gallery-item:hover .gallery-caption { opacity: 1; }
.gallery-caption span {
  color: #fff;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
}

.gallery-thumb {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: white;
  transition: transform .45s ease;
}
.gallery-item:hover .gallery-thumb { transform: scale(1.06); }
.gallery-thumb svg { width: 52px; height: 52px; opacity: .75; }
.gallery-thumb span { font-size: .92rem; font-weight: 700; letter-spacing: .04em; opacity: .9; text-transform: uppercase; }

.gi-1 { background: linear-gradient(135deg, #003F5C, #0099CC); }
.gi-2 { background: linear-gradient(225deg, #005599, #29ABE2); }
.gi-3 { background: linear-gradient(135deg, #006080, #00C5E8); }
.gi-4 { background: linear-gradient(315deg, #004466, #0080AA); }
.gi-5 { background: linear-gradient(45deg, #002D4D, #0099CC); }
.gi-6 { background: linear-gradient(135deg, #005577, #29ABE2); }

@media (max-width: 768px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gallery-grid { grid-template-columns: 1fr; } }

.btn-gallery-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  font-weight: 700;
  font-size: .98rem;
  padding: 14px 32px;
  border-radius: 50px;
  box-shadow: var(--shadow);
  transition: transform var(--trans), box-shadow var(--trans);
}
.btn-gallery-all:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* ===== ERGA PAGE ===== */
.erga-hero {
  background: linear-gradient(160deg, #003F5C 0%, #006A8E 45%, #0099CC 100%);
  padding: 140px 0 80px;
  text-align: center;
}
.erga-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.75);
  font-size: .88rem;
  font-weight: 600;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
  transition: background var(--trans), color var(--trans);
}
.erga-back-btn:hover { background: rgba(255,255,255,.2); color: #fff; }
.erga-back-btn svg { width: 16px; height: 16px; }
.erga-hero h1 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; color: var(--white); margin-bottom: 12px; }
.erga-hero h1 span { color: var(--blue-light); }
.erga-hero p { font-size: 1.05rem; color: rgba(255,255,255,.75); }

.erga-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 80px 0 100px;
}

.erga-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.erga-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.erga-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
.erga-item:hover img { transform: scale(1.06); }

.erga-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: white;
  transition: transform .45s ease;
}
.erga-item:hover .erga-placeholder { transform: scale(1.06); }
.erga-placeholder svg { width: 48px; height: 48px; opacity: .65; }
.erga-placeholder span { font-size: .85rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; opacity: .8; }

@media (max-width: 768px) { .erga-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .erga-grid { grid-template-columns: 1fr; } }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (scripting: none) { .reveal { opacity: 1 !important; transform: none !important; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; text-align: center; padding: 60px 0; }
  .hero-text p, .hero-text h2 { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-logo-wrap { width: 200px; height: 200px; }
  .hero-logo-wrap img { width: 140px; height: 140px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-inner { flex-direction: column; gap: 48px; }
  .why-visual { width: 100%; flex: auto; }
  .why-card-stack { height: auto; display: flex; flex-direction: column; gap: 16px; }
  .why-main-card { position: static; }
  .why-float-card { position: static; min-width: unset; }
  .contact-inner { grid-template-columns: 1fr; }
  .map-wrap { min-height: 320px; }
}
@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,153,204,.12);
    box-shadow: 0 8px 24px rgba(0,153,204,.12);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--trans), transform var(--trans);
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: all; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 28px; }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 8px 20px; display: block; text-align: center; border-radius: 12px; }
  .hamburger { display: flex; }
  .footer-top { flex-direction: column; gap: 28px; }
  .fab-call span { display: none; }
  .fab-call { padding: 16px; border-radius: 50%; }
}