/* ═══════════════════════════════════════════════════════════════
   ΑΝΤΩΝΑΚΑΚΗΣ ΚΑΤΑΣΚΕΥΑΣΤΙΚΗ — Light Theme v3
   ═══════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  --text:      #1a2035;
  --text2:     #2e3a55;
  --muted:     rgba(26,32,53,0.62);
  --faint:     rgba(26,32,53,0.40);

  --blue:      #1d5bd4;
  --blue2:     #2563eb;
  --red-acc:   #c01818;
  --red-acc2:  #e02828;

  --grad-blue: linear-gradient(135deg, #1a3fa8, #2563eb);
  --grad-red:  linear-gradient(135deg, #7a0c0c, #c41a1a);

  --glass:     rgba(255,255,255,0.82);
  --glass2:    rgba(255,255,255,0.92);
  --glass-card:rgba(255,255,255,0.78);
  --border:    rgba(0,0,0,0.10);
  --border2:   rgba(0,0,0,0.15);

  --font-display: 'Playfair Display', Georgia, serif;

  --max:    1180px;
  --r:      18px;
  --r-sm:   10px;
  --r-lg:   26px;

  --sh-sm:  0 2px 14px rgba(0,0,0,0.10);
  --sh:     0 8px 32px rgba(0,0,0,0.14);
  --sh-lg:  0 20px 60px rgba(0,0,0,0.18);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: transparent;
  color: var(--text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ─── Page background ─── */
.page-bg-image {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('site-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-bg-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(255,255,255,0.18);
  pointer-events: none;
}

.sr-only { position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ═══════ HEADER ═══════ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--glass2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 28px rgba(0,0,0,0.14);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; }
.brand img {
  height: 148px;
  width: auto;
  object-fit: contain;
  transform-origin: left center;
}

/* Desktop nav */
.menu { display: flex; align-items: center; gap: 4px; }
.menu a {
  padding: 9px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text2);
  letter-spacing: 0.1px;
  transition: color 0.15s ease, background 0.15s ease;
}
.menu a:hover { color: var(--blue); background: rgba(29,91,212,0.07); }

.menu-cta {
  background: var(--grad-blue) !important;
  color: #fff !important;
  border-radius: var(--r-sm);
  padding: 9px 18px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 20px rgba(29,91,212,0.30);
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}
.menu-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(29,91,212,0.42) !important; }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border2);
  background: rgba(0,0,0,0.04);
  color: var(--text);
  transition: background 0.15s ease;
}
.mobile-toggle:hover { background: rgba(0,0,0,0.08); }

.burger { width: 20px; height: 14px; display: inline-block; position: relative; }
.burger::before, .burger::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.18s ease, top 0.18s ease, bottom 0.18s ease, box-shadow 0.18s ease;
  transform-origin: center;
}
.burger::before { top: 0; box-shadow: 0 6px 0 currentColor; }
.burger::after  { bottom: 0; }
.mobile-toggle[aria-expanded="true"] .burger::before { top: 6px; transform: rotate(45deg); box-shadow: none; }
.mobile-toggle[aria-expanded="true"] .burger::after  { bottom: 6px; transform: rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  background: var(--glass2);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.10);
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 18px;
}
.mobile-menu-inner a {
  padding: 12px 14px;
  border-radius: var(--r-sm);
  font-weight: 600;
  color: var(--text2);
  font-size: 15px;
  transition: background 0.15s ease, color 0.15s ease;
}
.mobile-menu-inner a:hover { background: rgba(29,91,212,0.07); color: var(--blue); }
.mobile-menu-inner .mobile-cta {
  background: var(--grad-blue);
  color: #fff !important;
  text-align: center;
  border-radius: var(--r-sm);
  margin-top: 6px;
}

@media (min-width: 981px) { .brand img { margin-top: 16px; } }

/* ═══════ BUTTONS ═══════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--grad-blue);
  color: #fff;
  border-color: rgba(37,99,235,0.30);
  box-shadow: 0 6px 24px rgba(29,91,212,0.30);
}
.btn-primary:hover { box-shadow: 0 10px 36px rgba(29,91,212,0.45); }

.btn-ghost {
  background: rgba(26,32,53,0.08);
  color: var(--text2);
  border-color: var(--border2);
}
.btn-ghost:hover { background: rgba(26,32,53,0.14); border-color: rgba(0,0,0,0.22); color: var(--text); }

.btn-red {
  background: var(--grad-red);
  color: #fff;
  border-color: rgba(192,24,24,0.35);
  box-shadow: 0 6px 24px rgba(192,24,24,0.28);
  font-weight: 800;
}
.btn-red:hover { box-shadow: 0 10px 36px rgba(192,24,24,0.42); }

/* ═══════ SCROLL REVEAL ═══════ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { transition: none; opacity: 1; transform: none; } }

/* ═══════ SECTION COMMON ═══════ */
.section { padding: 88px 0; }

.section-head { margin-bottom: 40px; }
.section-head.centered { text-align: center; }
.section-head.centered .lead { margin-left: auto; margin-right: auto; }

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.section-label-line {
  width: 28px;
  height: 1px;
  background: var(--red-acc2);
  flex-shrink: 0;
}
.section-label > span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red-acc2);
}
.section-head.centered .section-label { justify-content: center; }

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 14px;
}
.section h2 em {
  font-style: italic;
  background: var(--grad-red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lead {
  font-size: 16px;
  line-height: 1.70;
  color: var(--muted);
  max-width: 68ch;
}

/* ═══════ HERO ═══════ */
.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29,91,212,0.10) 0%, transparent 70%);
  top: -80px;
  right: -100px;
  pointer-events: none;
}
.hero-wrap {
  position: relative;
  z-index: 2;
  padding: 60px 0 50px;
}
.hero-copy { max-width: 700px; }

/* hero brand lines */
.hero-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}
.hero-brand-line {
  flex: 1;
  height: 1px;
  background: rgba(29,91,212,0.30);
  min-width: 30px;
  max-width: 70px;
}
.hero-brand-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--blue2);
  opacity: 0.80;
  white-space: nowrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--border2);
  background: var(--glass2);
  backdrop-filter: blur(14px);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 22px;
  box-shadow: var(--sh-sm);
}
.pill-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red-acc2);
  box-shadow: 0 0 0 5px rgba(224,40,40,0.18);
  flex-shrink: 0;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 18px;
}
.h1-accent {
  background: var(--grad-red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-copy p {
  font-size: 17px;
  line-height: 1.70;
  color: var(--muted);
  max-width: 58ch;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.kpis {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.kpi {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background: var(--glass);
  backdrop-filter: blur(14px);
  box-shadow: var(--sh-sm);
  min-width: 160px;
  flex: 1;
}
.kpi-icon { font-size: 18px; margin-bottom: 4px; }
.kpi strong { font-size: 14px; font-weight: 800; color: var(--text); }
.kpi span   { font-size: 12px; color: var(--muted); line-height: 1.4; }

/* ═══════ SERVICES ═══════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}

.scard {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border2);
  background: var(--glass-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--sh);
  transition: transform 0.20s ease, border-color 0.20s ease, box-shadow 0.20s ease;
  overflow: hidden;
}
.scard:hover {
  transform: translateY(-3px);
  border-color: rgba(29,91,212,0.25);
  box-shadow: var(--sh-lg);
}
.scard-icon { font-size: 34px; margin-bottom: 14px; }
.service-number {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: rgba(29,91,212,0.28);
  margin-bottom: 16px;
  display: block;
  letter-spacing: 1px;
  transition: color 0.2s;
}
.scard:hover .service-number { color: var(--blue); }

.scard h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.1px;
  line-height: 1.25;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  background: rgba(26,32,53,0.07);
  border: 1px solid var(--border2);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.tag:hover { background: rgba(29,91,212,0.10); border-color: rgba(29,91,212,0.25); color: var(--blue); }

.guarantee-bar {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 28px;
  border-radius: var(--r);
  border: 1px solid rgba(192,24,24,0.25);
  background: rgba(255,255,255,0.80);
  backdrop-filter: blur(12px);
  box-shadow: var(--sh-sm);
}
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  font-size: 15px;
  color: var(--text2);
}
.guarantee-item strong { color: var(--text); }
.gi-icon { font-size: 20px; flex-shrink: 0; }
.guarantee-divider {
  width: 1px;
  height: 36px;
  background: rgba(192,24,24,0.25);
  margin: 0 28px;
  flex-shrink: 0;
}

/* ═══════ ABOUT ═══════ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.visual {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border2);
  box-shadow: var(--sh-lg);
  aspect-ratio: 4/3;
}
.visual img { width: 100%; height: 100%; object-fit: cover; }

.about-body { padding: 8px 0; }
.about-body h2 { color: var(--text); margin-bottom: 14px; }

.checklist { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 2px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  font-size: 15px;
  font-weight: 500;
}
.checklist li:last-child { border-bottom: none; }
.tick {
  display: inline-flex;
  width: 24px; height: 24px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  background: rgba(29,91,212,0.10);
  border: 1px solid rgba(29,91,212,0.25);
  font-size: 12px;
  flex-shrink: 0;
  color: var(--blue);
  margin-top: 1px;
}

/* ═══════ PROCESS ═══════ */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
}
.process-step {
  flex: 1;
  padding: 32px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border2);
  background: var(--glass-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--sh);
  transition: transform 0.20s ease, border-color 0.20s ease, box-shadow 0.20s ease;
}
.process-step:hover { transform: translateY(-3px); border-color: rgba(29,91,212,0.25); box-shadow: var(--sh-lg); }

.step-number {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  background: var(--grad-red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -1px;
}
.process-step h3 { font-family: var(--font-display); font-size: 20px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.process-step p  { font-size: 14px; color: var(--muted); line-height: 1.60; }

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(192,24,24,0.45);
  padding: 0 8px;
  margin-top: 40px;
  flex-shrink: 0;
}

/* ═══════ PROJECTS ═══════ */
.featured-projects {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.featured-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.featured-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border2);
  box-shadow: var(--sh);
  position: relative;
}
.featured-card .project-thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.featured-large .project-thumb img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
  transition: transform 0.40s ease;
}
.featured-side .featured-card .project-thumb img {
  width: 100%;
  height: 223px;
  object-fit: cover;
  display: block;
  transition: transform 0.40s ease;
}
.featured-card:hover .project-thumb img { transform: scale(1.06); }

.featured-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px 24px;
  background: linear-gradient(to top, rgba(10,16,30,0.85) 0%, rgba(10,16,30,0.25) 45%, transparent 70%);
  pointer-events: none;
}
.featured-overlay h3 {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 5px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.40);
}
.featured-large .featured-overlay h3 { font-size: 20px; }
.featured-overlay p {
  font-size: 13px;
  color: rgba(255,255,255,0.80);
  line-height: 1.4;
}
.featured-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  border: 2px solid transparent;
  transition: border-color 0.25s ease;
  pointer-events: none;
}
.featured-card:hover::after { border-color: rgba(192,24,24,0.50); }

.projects-gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.gallery-item {
  padding: 0;
  border: 1px solid var(--border2);
  background: var(--glass);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--sh-sm);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.gallery-item:hover {
  transform: translateY(-2px);
  border-color: rgba(192,24,24,0.35);
  box-shadow: var(--sh);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: transform 0.25s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

/* ═══════ CONTACT ═══════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

.contact-cta-card {
  padding: 36px 32px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(29,91,212,0.18);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  box-shadow: var(--sh);
}
.cta-badge {
  font-size: 40px;
  margin-bottom: 14px;
  display: block;
}
.contact-cta-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.contact-cta-card > p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 22px;
  line-height: 1.65;
}
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hint-text {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
}
.hint-text a { color: var(--blue); font-weight: 600; }
.hint-text a:hover { text-decoration: underline; }

.contact-info-card {
  padding: 28px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border2);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(18px);
  box-shadow: var(--sh);
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}

.contact-cards { display: flex; flex-direction: column; gap: 12px; }

.contact-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background: rgba(255,255,255,0.80);
  backdrop-filter: blur(14px);
  box-shadow: var(--sh-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.contact-item:hover {
  transform: translateY(-2px);
  border-color: rgba(29,91,212,0.25);
  box-shadow: var(--sh);
}
.contact-item::before {
  content: "";
  position: absolute;
  inset: -60% -80%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.60), rgba(29,91,212,0.06) 40%, transparent 65%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.20s ease;
}
.contact-item:hover::before { opacity: 1; animation: glowSweep 1.4s ease-in-out infinite alternate; }

@keyframes glowSweep {
  0%   { transform: translateX(-20%) rotate(15deg); }
  100% { transform: translateX(20%)  rotate(15deg); }
}

.ci-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  background: rgba(29,91,212,0.10);
  border: 1px solid rgba(29,91,212,0.18);
  color: var(--blue);
  flex-shrink: 0;
}
.ci-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}
.ci-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 14px;
  color: var(--muted);
}
.ci-lines a { color: var(--text2); font-weight: 600; }
.ci-lines a:hover { color: var(--blue); text-decoration: underline; }

/* ═══════ FOOTER ═══════ */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  padding: 56px 24px 48px;
}
.footer-logo { height: 80px; width: auto; object-fit: contain; margin-bottom: 14px; }
.footer-tagline { font-size: 12px; color: var(--muted); margin-bottom: 20px; letter-spacing: 0.3px; }

.footer-social { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text2);
  border: 1px solid var(--border2);
  background: rgba(26,32,53,0.05);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.footer-social a:hover { background: rgba(29,91,212,0.08); border-color: rgba(29,91,212,0.20); color: var(--blue); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-self: start; padding-top: 14px; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 5px 0;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--faint);
}
.footer-bottom strong { color: var(--muted); }

/* ═══════ LIGHTBOX ═══════ */
.lightbox { position: fixed; inset: 0; z-index: 9999; display: none; }
.lightbox.is-open { display: block; }
.lightbox-backdrop {
  position: absolute; inset: 0;
  background: rgba(10,16,30,0.80);
  backdrop-filter: blur(8px);
}
.lightbox-content {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(1000px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(10,16,30,0.75);
  box-shadow: 0 40px 100px rgba(0,0,0,0.60);
  overflow: hidden;
}
.lightbox-img {
  width: 100%;
  height: 100%;
  max-height: calc(100vh - 24px);
  object-fit: contain;
  display: block;
}
.lightbox-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 3;
  transition: background 0.15s ease;
}
.lightbox-close:hover { background: rgba(192,24,24,0.70); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 3;
  transition: background 0.15s ease, transform 0.15s ease;
  user-select: none;
}
.lightbox-nav:hover { background: rgba(192,24,24,0.70); transform: translateY(-50%) scale(1.08); }
.lb-prev { left: 14px; }
.lb-next { right: 14px; }

.lightbox-counter {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.80);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  padding: 5px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  z-index: 3;
  white-space: nowrap;
}

/* ═══════ STATS ═══════ */
.stats-section {
  position: relative;
  padding: 56px 0;
  background: linear-gradient(135deg, #0e1c36 0%, #1a2e50 60%, #0e1c36 100%);
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(192,24,24,0.12) 0%, transparent 65%);
  pointer-events: none;
}
.stats-section::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-red);
  opacity: 0.75;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 20px 32px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(52px, 6vw, 78px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #fff 40%, rgba(255,200,200,0.90) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  display: block;
}

.stat-label {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.62);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 70px;
  background: rgba(255,255,255,0.14);
  flex-shrink: 0;
}

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 1060px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .footer-links  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .nav { height: 72px; }
  .brand img { height: 112px; }
  .menu { display: none; }
  .mobile-toggle { display: inline-flex; }

  .hero { padding-top: 90px; min-height: 88vh; }
  .hero-copy { max-width: 100%; }
  .kpis { gap: 10px; }
  .kpi { min-width: 0; flex: 1 1 140px; }

  .services-grid { grid-template-columns: 1fr; }
  .guarantee-bar { flex-direction: column; gap: 14px; text-align: center; }
  .guarantee-divider { width: 80%; height: 1px; margin: 0 auto; }
  .guarantee-item { justify-content: center; }

  .split { grid-template-columns: 1fr; gap: 24px; }
  .visual { aspect-ratio: 16/9; }

  .process-steps { flex-direction: column; gap: 12px; }
  .step-arrow { transform: rotate(90deg); margin: -4px auto; }

  .stats-grid { grid-template-columns: 1fr; gap: 0; }
  .stat-divider { width: 60%; height: 1px; margin: 0 auto; }
  .stat-item { padding: 20px 24px; }

  .featured-projects { grid-template-columns: 1fr; }
  .featured-large .project-thumb img { height: 300px; }
  .featured-side { flex-direction: row; }
  .featured-side .featured-card .project-thumb img { height: 200px; }
  .projects-gallery  { grid-template-columns: repeat(4, 1fr); }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom-inner { flex-direction: column; text-align: center; gap: 6px; }
}

@media (max-width: 700px) {
  .projects-gallery { grid-template-columns: repeat(3, 1fr); }
  .featured-side { flex-direction: column; }
  .featured-side .featured-card .project-thumb img { height: 200px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav { height: 64px; }
  .brand img { height: 84px; margin-top: 0; }

  .section { padding: 64px 0; }
  .hero { padding-top: 80px; min-height: 85vh; }
  .hero-copy h1 { font-size: 30px; }
  .hero-copy p  { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .kpis { gap: 8px; }
  .kpi { flex: 1 1 100%; }

  .guarantee-bar { padding: 18px 20px; }

  .projects-gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; }

  .form-actions { flex-direction: column; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom-inner { font-size: 11px; }

  .lightbox-nav { width: 40px; height: 40px; font-size: 20px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}