/* ================================================================
   KentsoyYapi — Global Style System
   Çelik Konstrüksiyon · Çelik Çatı · Demir Doğrama · Ferforje
   ================================================================ */

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

:root {
  /* Palette */
  --navy:        #0b1120;
  --navy-mid:    #111827;
  --navy-light:  #1a2235;
  --navy-card:   #16202f;
  --accent:      #F5C518;
  --accent-dark: #d4a914;
  --accent-glow: rgba(245,197,24,0.18);
  --white:       #ffffff;
  --text:        rgba(255,255,255,0.85);
  --text-muted:  rgba(255,255,255,0.5);
  --text-faint:  rgba(255,255,255,0.3);
  --border:      rgba(255,255,255,0.08);
  --border-hover:rgba(245,197,24,0.3);

  /* Radius */
  --r-sm:  0.75rem;
  --r-md:  1.25rem;
  --r-lg:  2rem;
  --r-xl:  2.5rem;

  /* Transitions */
  --t:     0.3s cubic-bezier(0.4,0,0.2,1);
  --t-slow:0.6s cubic-bezier(0.4,0,0.2,1);

  /* Navbar height */
  --nav-h: 80px;
}

/* ── BASE ─────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.08;
  color: var(--white);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ── SCROLLBAR ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--accent), var(--accent-dark)); border-radius: 3px; }

/* ── SCROLL PROGRESS BAR ─────────────────────────────────────── */
#scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent), #ffe066);
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(245,197,24,0.6);
  pointer-events: none;
}

/* ── PAGE ENTRANCE ANIMATION ─────────────────────────────────── */
html.page-loading body { opacity: 0; transform: translateY(6px); }
html.page-loaded  body { opacity: 1; transform: translateY(0); transition: opacity 0.45s ease, transform 0.45s ease; }

/* ── NAVBAR AUTO-HIDE ────────────────────────────────────────── */
.navbar { transition: padding var(--t), background var(--t), transform 0.4s cubic-bezier(0.4,0,0.2,1); }
.navbar.nav-hidden { transform: translateY(-110%); }

/* ── LAYOUT ───────────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5.5rem 0; }
.section--alt { background: var(--navy-mid); }
.section--dark { background: var(--navy); }

/* ── SECTION HEADER ───────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header--left { text-align: left; }
.section-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; font-weight: 800;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.85rem;
}
.section-tag::before { content: ''; display: inline-block; width: 18px; height: 2px; background: var(--accent); border-radius: 1px; }
.section-title { font-size: clamp(1.9rem, 3.8vw, 3rem); margin-bottom: 1rem; }
.section-title span { color: var(--accent); }
.section-desc { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; line-height: 1.75; }
.section-header--left .section-desc { margin: 0; }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.78rem 1.8rem;
  border-radius: 9999px; border: none;
  font-weight: 700; font-size: 0.78rem;
  letter-spacing: 0.09em; text-transform: uppercase;
  white-space: nowrap; transition: var(--t);
  cursor: pointer; text-decoration: none;
  position: relative; overflow: hidden;
}
.btn svg { flex-shrink: 0; transition: transform var(--t); }
.btn:hover svg { transform: translateX(3px); }
/* Ripple */
.btn-ripple {
  position: absolute; border-radius: 50%;
  transform: translate(-50%,-50%) scale(0);
  width: 140px; height: 140px;
  background: rgba(255,255,255,0.2);
  animation: ripple-anim 0.55s ease-out forwards;
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: translate(-50%,-50%) scale(2.5); opacity: 0; } }

.btn-primary { background: var(--accent); color: var(--navy); box-shadow: 0 0 28px var(--accent-glow); }
.btn-primary:hover { background: var(--white); box-shadow: 0 0 40px rgba(245,197,24,0.35); transform: translateY(-1px); }

.btn-ghost { background: rgba(255,255,255,0.05); color: var(--white); border: 1px solid rgba(255,255,255,0.15); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); }

.btn-outline { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: var(--navy); }

.btn-sm  { padding: 0.6rem 1.35rem; font-size: 0.72rem; }
.btn-lg  { padding: 0.95rem 2.2rem; font-size: 0.82rem; }
.btn-xl  { padding: 1.1rem 2.6rem; font-size: 0.88rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── GLASS CARD ───────────────────────────────────────────────── */
.glass {
  background: rgba(0,0,0,0.28);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

/* ── BADGE / TAG ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  background: rgba(245,197,24,0.12);
  border: 1px solid rgba(245,197,24,0.25);
  border-radius: 9999px;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
}

/* ── ACCENT LINE ──────────────────────────────────────────────── */
.accent-line {
  display: block; width: 48px; height: 3px;
  background: linear-gradient(to right, var(--accent), transparent);
  border-radius: 2px; margin: 1.25rem 0;
}
.section-header .accent-line { margin: 1.25rem auto; }
.section-header--left .accent-line { margin: 1.25rem 0; }

/* ── PULSE DOT ────────────────────────────────────────────────── */
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(245,197,24,0.7); }
  70%  { box-shadow: 0 0 0 8px rgba(245,197,24,0); }
  100% { box-shadow: 0 0 0 0 rgba(245,197,24,0); }
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 1rem 0;
  transition: padding var(--t), background var(--t);
}
.navbar.scrolled { padding: 0.5rem 0; }
.navbar.scrolled .nav-wrap {
  background: rgba(11,17,32,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 4px 40px rgba(0,0,0,0.35);
}
.nav-wrap {
  max-width: 1400px; margin: 0 auto; padding: 0.7rem 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 9999px;
  transition: background var(--t), box-shadow var(--t);
}

/* Logo */
.nav-logo { display: flex; align-items: center; gap: 0.6rem; }
.nav-logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(245,197,24,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: var(--t);
}
.nav-logo:hover .nav-logo-icon { background: rgba(245,197,24,0.22); }
.nav-logo-text { font-family:'Outfit',sans-serif; font-weight:800; font-size:1.1rem; }
.nav-logo-text span { color: var(--accent); }

/* Nav links */
.nav-links { display: flex; align-items: center; gap: 0.1rem; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 0.25rem;
  padding: 0.5rem 0.85rem; border-radius: 0.5rem;
  font-size: 0.73rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--text-muted); transition: var(--t); white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link.active::after {
  content: ''; position: absolute;
  bottom: -3px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; background: var(--accent); border-radius: 50%;
}
.nav-link svg { opacity: 0.6; transition: transform var(--t); }
.nav-item:hover .nav-link svg { transform: rotate(180deg); opacity: 1; }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: calc(100% + 0.6rem); left: 50%;
  transform: translateX(-50%);
  min-width: 240px;
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all var(--t);
  z-index: 1000;
}
.nav-item:hover .nav-dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 0.9rem; border-radius: 0.6rem;
  font-size: 0.78rem; font-weight: 500;
  color: var(--text-muted); transition: var(--t);
}
.nav-dropdown a::before { content: '—'; color: var(--accent); font-size: 0.7rem; flex-shrink: 0; }
.nav-dropdown a:hover { color: var(--accent); background: rgba(245,197,24,0.07); }

/* Nav actions */
.nav-actions { display: flex; align-items: center; gap: 0.85rem; }
.nav-phone {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted); transition: var(--t);
}
.nav-phone:hover { color: var(--accent); }
.nav-phone svg { color: var(--accent); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: space-between;
  width: 26px; height: 18px; background: none; border: none;
}
.hamburger span {
  display: block; height: 2px; background: var(--white);
  border-radius: 2px; transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 800;
  background: rgba(11,17,32,0.97);
  backdrop-filter: blur(24px);
  display: flex; flex-direction: column; padding: 1.5rem;
  opacity: 0; visibility: hidden; transition: all 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--border);
}
.mobile-close { background: none; border: none; color: var(--white); font-size: 1.5rem; }
.mobile-nav { flex: 1; overflow-y: auto; padding: 1.25rem 0; }
.mobile-nav-item { border-bottom: 1px solid var(--border); }
.mobile-nav-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0.5rem;
  font-size: 1rem; font-weight: 600; color: var(--text-muted);
  transition: var(--t);
}
.mobile-nav-link:hover { color: var(--white); }
.mobile-subnav { padding: 0 0.5rem 0.75rem; display: none; }
.mobile-subnav.open { display: block; }
.mobile-subnav a {
  display: block; padding: 0.55rem 0.75rem;
  font-size: 0.85rem; color: var(--text-faint);
  border-left: 2px solid var(--border); margin-bottom: 2px;
  transition: var(--t);
}
.mobile-subnav a:hover { color: var(--accent); border-color: var(--accent); }
.mobile-cta { padding-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.mobile-overlay {
  position: fixed; inset: 0; z-index: 750;
  background: rgba(0,0,0,0.6); opacity: 0; visibility: hidden; transition: var(--t);
}
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* ═══════════════════════════════════════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════════════════════════════════════ */
.page-hero {
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  background: var(--navy-mid);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 120%, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-inner { position: relative; }
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  font-size: 0.75rem; color: var(--text-muted); margin-bottom: 1.25rem;
}
.breadcrumb a { color: var(--accent); transition: var(--t); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb-sep { color: var(--text-faint); }
.page-hero-title { font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 1.25rem; }
.page-hero-desc { font-size: 1.05rem; color: var(--text-muted); max-width: 620px; line-height: 1.75; }

/* ═══════════════════════════════════════════════════════════════
   HOMEPAGE HERO SLIDER
═══════════════════════════════════════════════════════════════ */
.hero-slider {
  position: relative;
  height: 100svh; min-height: 600px;
  overflow: hidden;
}
.slide {
  position: absolute; inset: 0;
  display: flex; align-items: flex-end;
  opacity: 0; transition: opacity 0.9s ease;
  pointer-events: none;
}
.slide.active { opacity: 1; pointer-events: auto; }
.slide-bg {
  position: absolute; inset: 0;
}
.slide-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 8s ease-out;
}
.slide.active .slide-img { transform: scale(1.05); }
.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,17,32,0.96) 15%, rgba(11,17,32,0.4) 60%, rgba(11,17,32,0.15) 100%);
}
.slide-content {
  position: relative; z-index: 2;
  width: 100%; max-width: 1280px; margin: 0 auto;
  padding: 0 1.5rem 5rem;
  transform: translateY(20px); opacity: 0;
  transition: transform 0.8s 0.3s ease, opacity 0.8s 0.3s ease;
}
.slide.active .slide-content { transform: translateY(0); opacity: 1; }
.slide-badge { margin-bottom: 1.25rem; }
.slide-title {
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  margin-bottom: 1.25rem;
  max-width: 700px;
}
.slide-title span { color: var(--accent); }
.slide-desc {
  font-size: 1.05rem; color: rgba(255,255,255,0.65);
  max-width: 520px; line-height: 1.7; margin-bottom: 2rem;
  font-weight: 300;
}
.slide-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Slider controls */
.slider-controls {
  position: absolute; bottom: 2.5rem; right: 2rem; z-index: 10;
  display: flex; align-items: center; gap: 0.75rem;
}
.slider-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--t);
}
.slider-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--navy); }

/* Slider dots */
.slider-dots {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; gap: 0.5rem;
}
.slider-dot {
  width: 7px; height: 7px; border-radius: 9999px;
  background: rgba(255,255,255,0.3); transition: var(--t); cursor: pointer;
}
.slider-dot.active { width: 24px; background: var(--accent); }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  color: var(--text-faint); pointer-events: none;
}
.scroll-mouse { width: 22px; height: 34px; border: 1.5px solid rgba(255,255,255,0.2); border-radius: 11px; display: flex; justify-content: center; padding-top: 5px; }
.scroll-mouse span { width: 2px; height: 7px; background: var(--accent); border-radius: 1px; animation: scrollY 1.6s ease-in-out infinite; }
@keyframes scrollY { 0%,100%{transform:translateY(0);opacity:1} 50%{transform:translateY(7px);opacity:0.3} }
.scroll-text { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.25em; text-transform: uppercase; }

/* ═══════════════════════════════════════════════════════════════
   SERVICES SECTION (homepage)
═══════════════════════════════════════════════════════════════ */
.services-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.service-card {
  position: relative; overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--navy-card);
  border: 1px solid var(--border);
  cursor: pointer; transition: var(--t);
  display: flex; flex-direction: column;
  text-decoration: none;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.service-card-img-wrap { height: 220px; overflow: hidden; }
.service-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.service-card:hover .service-card-img { transform: scale(1.07); }
.service-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.service-card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-glow); border: 1px solid rgba(245,197,24,0.2);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
  margin-bottom: 0.25rem;
}
.service-card-cat { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.service-card-title { font-size: 1.2rem; }
.service-card-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.service-card-subs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem; }
.service-card-sub {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.07em;
  padding: 0.25rem 0.65rem; border-radius: 9999px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-faint); transition: var(--t);
}
.service-card:hover .service-card-sub { border-color: rgba(245,197,24,0.2); color: rgba(255,255,255,0.6); }
.service-card-arrow {
  display: flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-top: 1rem;
  transition: gap var(--t);
}
.service-card:hover .service-card-arrow { gap: 0.65rem; }

/* ═══════════════════════════════════════════════════════════════
   ABOUT SECTION (homepage mini)
═══════════════════════════════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-img-wrap { position: relative; border-radius: var(--r-lg); overflow: visible; }
.about-img { width: 100%; height: 480px; object-fit: cover; border-radius: var(--r-lg); display: block; }
.about-img-badge {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  background: var(--accent); color: var(--navy);
  border-radius: var(--r-md); padding: 1.5rem;
  text-align: center; min-width: 140px;
  box-shadow: 0 12px 40px rgba(245,197,24,0.3);
}
.about-badge-num { font-family:'Outfit',sans-serif; font-size: 2.4rem; font-weight: 800; line-height: 1; }
.about-badge-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.35rem; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 2rem; }
.about-stat {
  padding: 1.25rem; background: var(--navy-light);
  border: 1px solid var(--border); border-radius: var(--r-md);
  text-align: center; transition: var(--t);
}
.about-stat:hover { border-color: var(--border-hover); }
.about-stat-num { font-family:'Outfit',sans-serif; font-size: 2rem; font-weight: 300; color: var(--white); line-height: 1; margin-bottom: 0.35rem; }
.about-stat-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); }
.about-features { display: flex; flex-direction: column; gap: 1.25rem; margin: 2rem 0; }
.about-feat { display: flex; align-items: flex-start; gap: 1rem; }
.about-feat-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
  background: var(--accent-glow); border: 1px solid rgba(245,197,24,0.2);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.about-feat-title { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 0.2rem; }
.about-feat-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════
   PROJECTS SECTION
═══════════════════════════════════════════════════════════════ */
.projects-filter {
  display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.2rem; border-radius: 9999px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer; transition: var(--t);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent); border-color: var(--accent); color: var(--navy);
}

.projects-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 1.25rem;
}
.project-card {
  position: relative; overflow: hidden;
  border-radius: var(--r-md); cursor: pointer;
  background: var(--navy-card);
  border: 1px solid var(--border);
  transition: var(--t);
}
.project-card:hover { border-color: var(--border-hover); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.project-card--tall { grid-row: span 2; }
.project-card--wide { grid-column: span 2; }
.project-img-wrap { overflow: hidden; }
.project-card:not(.project-card-list) .project-img-wrap { height: 260px; }
.project-card--tall .project-img-wrap { height: 100%; min-height: 540px; }
.project-card--wide .project-img-wrap { height: 280px; }
.project-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.project-card:hover .project-img { transform: scale(1.06); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,17,32,0.95) 0%, transparent 55%);
  display: flex; align-items: flex-end; padding: 1.5rem;
  opacity: 0; transition: var(--t);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-info { display: flex; flex-direction: column; gap: 0.3rem; }
.project-cat { font-size: 0.62rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.project-name { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.project-meta { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }

/* Project detail page specific */
.project-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,17,32,0.9) 30%, rgba(11,17,32,0.2) 100%);
}
.project-info-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
  margin: 2rem 0;
}
.project-info-card {
  padding: 1.25rem; background: var(--navy-light);
  border: 1px solid var(--border); border-radius: var(--r-md);
}
.project-info-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.4rem; }
.project-info-value { font-size: 1rem; font-weight: 700; color: var(--white); }
.project-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2rem 0; }
.project-gallery-img { border-radius: var(--r-sm); overflow: hidden; cursor: zoom-in; aspect-ratio: 4/3; }
.project-gallery-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-gallery-img:hover img { transform: scale(1.05); }
.video-wrap {
  border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 16/9; background: var(--navy-mid);
  border: 1px solid var(--border); margin: 2rem 0;
}
.video-wrap iframe { width: 100%; height: 100%; border: none; }
.video-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100%; gap: 1rem; color: var(--text-muted);
}
.video-placeholder svg { color: rgba(255,255,255,0.2); }

/* ═══════════════════════════════════════════════════════════════
   INSTAGRAM SECTION
═══════════════════════════════════════════════════════════════ */
.instagram-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.75rem;
}
.insta-item {
  aspect-ratio: 1; border-radius: var(--r-sm);
  overflow: hidden; position: relative; cursor: pointer;
  background: var(--navy-light);
}
.insta-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.insta-item:hover img { transform: scale(1.08); }
.insta-overlay {
  position: absolute; inset: 0;
  background: rgba(245,197,24,0.75);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--t);
}
.insta-item:hover .insta-overlay { opacity: 1; }

/* ═══════════════════════════════════════════════════════════════
   BLOG SECTION
═══════════════════════════════════════════════════════════════ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.blog-card {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; transition: var(--t);
  display: flex; flex-direction: column;
}
.blog-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: 0 16px 50px rgba(0,0,0,0.35); }
.blog-img-wrap { height: 220px; overflow: hidden; }
.blog-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.blog-card:hover .blog-img { transform: scale(1.05); }
.blog-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 0.7rem; }
.blog-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.72rem; color: var(--text-muted); }
.blog-cat { color: var(--accent); font-weight: 700; }
.blog-title { font-size: 1.1rem; color: var(--white); line-height: 1.3; flex: 1; }
.blog-title a:hover { color: var(--accent); }
.blog-excerpt { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; }
.blog-link { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-top: 0.5rem; transition: gap var(--t); }
.blog-link:hover { gap: 0.6rem; }

/* ═══════════════════════════════════════════════════════════════
   FAQ / SSS
═══════════════════════════════════════════════════════════════ */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden; transition: border-color var(--t);
}
.faq-item.open { border-color: var(--border-hover); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; cursor: pointer;
  font-size: 0.95rem; font-weight: 600; color: var(--white);
  background: none; border: none; width: 100%; text-align: left;
  gap: 1rem; transition: color var(--t);
}
.faq-item.open .faq-question { color: var(--accent); }
.faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--text-muted);
  transition: var(--t);
}
.faq-item.open .faq-icon { background: var(--accent); border-color: var(--accent); color: var(--navy); transform: rotate(45deg); }
.faq-answer {
  padding: 0 1.5rem; max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.75;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.5rem; }

/* ═══════════════════════════════════════════════════════════════
   CTA BAND
═══════════════════════════════════════════════════════════════ */
.cta-band {
  position: relative; overflow: hidden;
  padding: 5rem 0; background: var(--navy);
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 110%, rgba(245,197,24,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band-inner {
  position: relative; display: flex; align-items: center;
  justify-content: space-between; gap: 3rem; flex-wrap: wrap;
}
.cta-band-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 0.75rem; }
.cta-band-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }
.cta-band-actions { display: flex; flex-direction: column; gap: 0.85rem; align-items: flex-start; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════
   CONTACT SECTION
═══════════════════════════════════════════════════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex; align-items: flex-start; gap: 1rem; padding: 1.25rem;
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--r-md); transition: var(--t);
}
.contact-card:hover { border-color: var(--border-hover); }
.contact-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
  background: var(--accent-glow); border: 1px solid rgba(245,197,24,0.2);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.contact-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.25rem; }
.contact-value { font-size: 0.9rem; font-weight: 600; color: var(--white); transition: var(--t); }
a.contact-value:hover { color: var(--accent); }
.social-row { display: flex; gap: 0.6rem; margin-top: 1rem; }
.social-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: var(--t); text-decoration: none;
}
.social-btn:hover { background: var(--accent-glow); border-color: rgba(245,197,24,0.4); color: var(--accent); }
.social-btn svg { width: 17px; height: 17px; }

/* Form */
.contact-form-box {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2.5rem;
}
.form { display: flex; flex-direction: column; gap: 1.15rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-label { font-size: 0.72rem; font-weight: 700; color: var(--text-muted); letter-spacing: 0.06em; }
.form-input, .form-select, .form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem; padding: 0.85rem 1rem;
  font-size: 0.88rem; color: var(--white); font-family: inherit;
  transition: var(--t); outline: none; appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-faint); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: rgba(245,197,24,0.5); background: rgba(255,255,255,0.06);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select option { background: var(--navy-light); }
.form-success {
  padding: 1rem; border-radius: 0.75rem;
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.25);
  color: #4ade80; font-size: 0.85rem; text-align: center; display: none;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
.footer { background: var(--navy); border-top: 1px solid var(--border); }
.footer-main { padding: 4rem 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }
.footer-brand-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.75; margin-top: 1rem; max-width: 280px; }
.footer-col-title { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: var(--white); margin-bottom: 1.25rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a { font-size: 0.83rem; color: var(--text-muted); transition: var(--t); }
.footer-links a:hover { color: var(--accent); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.83rem; color: var(--text-muted); margin-bottom: 0.65rem; }
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.footer-contact-item a { color: var(--text-muted); transition: var(--t); }
.footer-contact-item a:hover { color: var(--accent); }
.footer-bottom {
  padding: 1.25rem 0; border-top: 1px solid var(--border);
}
.footer-bottom-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: 0.78rem; color: var(--text-faint); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.78rem; color: var(--text-faint); transition: var(--t); }
.footer-legal a:hover { color: var(--accent); }

/* ═══════════════════════════════════════════════════════════════
   CATEGORY DETAIL PAGE ELEMENTS
═══════════════════════════════════════════════════════════════ */
.cat-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 2rem 0; }
.cat-feature-card {
  padding: 1.5rem; background: var(--navy-card);
  border: 1px solid var(--border); border-radius: var(--r-md);
  transition: var(--t);
}
.cat-feature-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.cat-feature-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-glow); border: 1px solid rgba(245,197,24,0.2); display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 1rem; }
.cat-feature-icon svg { width: 22px; height: 22px; }
.cat-feature-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.5rem; }
.cat-feature-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; }

.sub-cats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.sub-cat-card {
  position: relative; overflow: hidden; border-radius: var(--r-md);
  border: 1px solid var(--border); cursor: pointer;
  transition: var(--t); text-decoration: none; display: block;
}
.sub-cat-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.35); }
.sub-cat-img-wrap { height: 180px; overflow: hidden; }
.sub-cat-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.sub-cat-card:hover .sub-cat-img { transform: scale(1.07); }
.sub-cat-body { padding: 1.1rem; background: var(--navy-card); }
.sub-cat-name { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.3rem; }
.sub-cat-desc { font-size: 0.78rem; color: var(--text-muted); }
.sub-cat-link { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-top: 0.6rem; }

/* Content blocks */
.content-block { max-width: 800px; }
.content-block p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1.25rem; font-size: 0.95rem; }
.content-block h3 { font-size: 1.3rem; margin: 2rem 0 0.75rem; }
.content-block ul { padding-left: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.content-block ul li { color: var(--text-muted); font-size: 0.9rem; list-style: none; padding-left: 1.2rem; position: relative; }
.content-block ul li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem; }

/* Two-col layout for detail pages */
.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 3rem; align-items: start; }
.detail-sidebar { position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.sidebar-card {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem; margin-bottom: 1.25rem;
}
.sidebar-card-title { font-size: 0.85rem; font-weight: 700; color: var(--white); margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }
.sidebar-links { display: flex; flex-direction: column; gap: 0.3rem; }
.sidebar-links a {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0.75rem; border-radius: 0.5rem;
  font-size: 0.82rem; color: var(--text-muted); transition: var(--t);
}
.sidebar-links a:hover, .sidebar-links a.active { color: var(--accent); background: var(--accent-glow); }
.sidebar-links a.active { font-weight: 700; }

/* ═══════════════════════════════════════════════════════════════
   LIGHTBOX
═══════════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s;
  padding: 2rem;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-img { max-width: 90vw; max-height: 90vh; border-radius: var(--r-md); object-fit: contain; }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  color: var(--white); font-size: 1.2rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--t);
}
.lightbox-close:hover { background: var(--accent); color: var(--navy); border-color: var(--accent); }

/* ═══════════════════════════════════════════════════════════════
   FLOATING ELEMENTS
═══════════════════════════════════════════════════════════════ */
.whatsapp-fab {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 890;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  text-decoration: none; transition: var(--t);
}
.whatsapp-fab:hover { transform: scale(1.12); box-shadow: 0 12px 32px rgba(37,211,102,0.5); }
.whatsapp-fab-tooltip {
  position: absolute; right: 110%; top: 50%; transform: translateY(-50%);
  background: var(--navy-light); border: 1px solid var(--border);
  color: var(--white); font-size: 0.72rem; font-weight: 600;
  padding: 0.4rem 0.75rem; border-radius: 0.5rem; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: var(--t);
}
.whatsapp-fab:hover .whatsapp-fab-tooltip { opacity: 1; }

.back-to-top {
  position: fixed; bottom: 5.5rem; right: 2rem; z-index: 890;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy-light); border: 1px solid var(--border);
  color: var(--white); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(12px) scale(0.85);
  transition: opacity 0.35s ease, transform 0.35s ease, background var(--t), color var(--t), border-color var(--t);
  pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.back-to-top:hover { background: var(--accent); color: var(--navy); border-color: var(--accent); transform: translateY(-2px) scale(1.05); }

/* ═══════════════════════════════════════════════════════════════
   SCROLL ANIMATION
═══════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
              transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ── FORM FIELD STATES ───────────────────────────────────────── */
.form-group input, .form-group textarea, .form-group select {
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.field-error {
  border-color: rgba(239,68,68,0.7) !important;
  background: rgba(239,68,68,0.04) !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12) !important;
}
.field-ok {
  border-color: rgba(34,197,94,0.5) !important;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.08) !important;
}
@keyframes field-shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-7px); }
  40%      { transform: translateX(7px); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}
.field-shake { animation: field-shake 0.4s ease; }

/* Loading spinner */
@keyframes spin-anim { to { transform: rotate(360deg); } }
.spin { animation: spin-anim 0.7s linear infinite; }

/* Form success message transition */
#form-success { transition: opacity 0.4s ease; }
#form-success.visible { opacity: 1 !important; }

/* ── LIGHTBOX image fade ────────────────────────────────────── */
#lightbox-img { transition: opacity 0.25s ease; }

/* ── WHATSAPP FAB PULSE ─────────────────────────────────────── */
@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,0.5), 0 8px 32px rgba(0,0,0,0.4); }
  70%  { box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 8px 32px rgba(0,0,0,0.4); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 8px 32px rgba(0,0,0,0.4); }
}
.whatsapp-fab { animation: wa-pulse 2.5s ease infinite; }
.whatsapp-fab:hover { animation: none; transform: scale(1.1) !important; }

/* ── CARD 3-D TILT (transform-style) ────────────────────────── */
.proj-card, .service-card, .cat-feature-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/* ── NAV LINK UNDERLINE ANIMATION ───────────────────────────── */
.nav-link { position: relative; }
.nav-link::before {
  content: ''; position: absolute;
  bottom: -2px; left: 50%; right: 50%;
  height: 2px; background: var(--accent); border-radius: 1px;
  transition: left var(--t), right var(--t);
  opacity: 0;
}
.nav-link:hover::before { left: 10%; right: 10%; opacity: 0.6; }
.nav-link.active::before { left: 35%; right: 35%; opacity: 1; }

/* ── FOCUS VISIBLE (accessibility) ─────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── SELECTION COLOR ────────────────────────────────────────── */
::selection { background: rgba(245,197,24,0.3); color: var(--white); }

/* ═══════════════════════════════════════════════════════════════
   TRUST BAR
═══════════════════════════════════════════════════════════════ */
.trust-bar { background: var(--navy-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.1rem 0; }
.trust-bar-inner { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 0.75rem 2.5rem; }
.trust-item { display: flex; align-items: center; gap: 0.6rem; font-size: 0.75rem; font-weight: 600; color: var(--text-muted); }
.trust-icon { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.trust-sep { width: 1px; height: 18px; background: var(--border); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .services-grid    { grid-template-columns: repeat(2, 1fr); }
  .projects-masonry { grid-template-columns: repeat(2, 1fr); }
  .project-card--wide { grid-column: span 1; }
  .about-grid       { grid-template-columns: 1fr; gap: 3rem; }
  .about-img        { height: 380px; }
  .about-img-badge  { bottom: 1rem; right: 1rem; }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .instagram-grid   { grid-template-columns: repeat(3, 1fr); }
  .sub-cats-grid    { grid-template-columns: repeat(2, 1fr); }
  .detail-grid      { grid-template-columns: 1fr; }
  .detail-sidebar   { position: static; }
}

@media (max-width: 768px) {
  .nav-links, .nav-phone { display: none; }
  .hamburger { display: flex; }
  .services-grid    { grid-template-columns: 1fr; }
  .projects-masonry { grid-template-columns: 1fr; }
  .project-card--tall, .project-card--wide { grid-column: span 1; grid-row: span 1; }
  .project-card:not(.project-card-list) .project-img-wrap { height: 240px; }
  .project-card--tall .project-img-wrap { min-height: 240px; }
  .blog-grid        { grid-template-columns: 1fr; }
  .contact-grid     { grid-template-columns: 1fr; }
  .cta-band-inner   { flex-direction: column; text-align: center; }
  .cta-band-actions { align-items: center; width: 100%; }
  .cta-band-actions .btn { width: 100%; justify-content: center; }
  .footer-grid      { grid-template-columns: 1fr; }
  .instagram-grid   { grid-template-columns: repeat(2, 1fr); }
  .cat-features-grid{ grid-template-columns: 1fr; }
  .sub-cats-grid    { grid-template-columns: 1fr 1fr; }
  .form-row         { grid-template-columns: 1fr; }
  .project-info-grid{ grid-template-columns: repeat(2, 1fr); }
  .project-gallery  { grid-template-columns: repeat(2, 1fr); }
  .trust-sep        { display: none; }
}

@media (max-width: 480px) {
  .sub-cats-grid  { grid-template-columns: 1fr; }
  .instagram-grid { grid-template-columns: repeat(3, 1fr); }
  .project-gallery{ grid-template-columns: 1fr; }
  .about-stats    { grid-template-columns: 1fr 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS PAGE — CATEGORY SIDEBAR + GRID LAYOUT
═══════════════════════════════════════════════════════════════ */
.projects-page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ── Category Tree Sidebar ─────────────────────────────────── */
.cat-tree-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.cat-tree-head {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.cat-tree-title {
  font-size: 0.68rem; font-weight: 800;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-muted);
}
.cat-tree-reset {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: none; border: none; cursor: pointer;
  transition: var(--t); opacity: 0; pointer-events: none;
}
.cat-tree-reset.visible { opacity: 1; pointer-events: auto; }
.cat-tree-reset:hover { color: var(--white); }

.cat-tree-body { padding: 0.75rem 0; }

.cat-main-item { border-bottom: 1px solid var(--border); }
.cat-main-item:last-child { border-bottom: none; }
.cat-main-btn {
  width: 100%; display: flex; align-items: center;
  padding: 0.85rem 1.5rem; gap: 0.65rem;
  background: none; border: none; cursor: pointer;
  text-align: left; transition: var(--t);
}
.cat-main-btn:hover { background: rgba(255,255,255,0.03); }
.cat-main-btn.active { background: rgba(245,197,24,0.06); }

.cat-main-icon {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 8px;
  background: rgba(255,255,255,0.05);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: var(--t);
}
.cat-main-btn.active .cat-main-icon,
.cat-main-btn:hover .cat-main-icon { background: var(--accent-glow); color: var(--accent); }

.cat-main-label {
  flex: 1; font-size: 0.85rem; font-weight: 600;
  color: var(--text-muted); line-height: 1.2; transition: var(--t);
}
.cat-main-btn.active .cat-main-label,
.cat-main-btn:hover .cat-main-label { color: var(--white); }

.cat-count-badge {
  flex-shrink: 0;
  min-width: 22px; height: 22px; border-radius: 6px;
  background: rgba(255,255,255,0.06);
  font-size: 0.65rem; font-weight: 700;
  color: var(--text-faint);
  display: flex; align-items: center; justify-content: center;
  padding: 0 5px; transition: var(--t);
}
.cat-main-btn.active .cat-count-badge { background: var(--accent); color: var(--navy); }

.cat-chevron { flex-shrink: 0; color: var(--text-faint); transition: transform var(--t); }
.cat-main-btn.open .cat-chevron { transform: rotate(180deg); }

.cat-sub-list {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease;
  background: rgba(0,0,0,0.15);
}
.cat-sub-list.open { max-height: 500px; }

.cat-sub-btn {
  width: 100%; display: flex; align-items: center;
  padding: 0.6rem 1.5rem 0.6rem 2.5rem;
  gap: 0.55rem; background: none; border: none;
  cursor: pointer; text-align: left; transition: var(--t);
}
.cat-sub-btn:hover { background: rgba(255,255,255,0.03); }
.cat-sub-btn.active { background: rgba(245,197,24,0.07); }

.cat-sub-dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
  background: var(--border); transition: background var(--t), box-shadow var(--t);
}
.cat-sub-btn.active .cat-sub-dot,
.cat-sub-btn:hover .cat-sub-dot { background: var(--accent); box-shadow: 0 0 6px rgba(245,197,24,0.5); }

.cat-sub-label {
  flex: 1; font-size: 0.8rem; font-weight: 500;
  color: var(--text-faint); transition: color var(--t);
}
.cat-sub-btn.active .cat-sub-label,
.cat-sub-btn:hover .cat-sub-label { color: var(--accent); }
.cat-sub-btn .cat-count-badge { font-size: 0.6rem; }

.cat-main-btn.no-sub .cat-chevron { display: none; }

/* ── Project Grid ───────────────────────────────────────────── */
.projects-grid-header {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap;
  gap: 1rem; margin-bottom: 1.75rem;
}
.projects-active-label {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted);
}
.projects-active-label span { color: var(--white); }
.projects-result-count { font-size: 0.72rem; color: var(--text-faint); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.proj-card {
  position: relative; border-radius: var(--r-md);
  overflow: hidden; cursor: pointer;
  background: var(--navy-card); border: 1px solid var(--border);
  transition: var(--t); text-decoration: none; display: block;
}
.proj-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.45); }
.proj-card[data-hidden="true"] { display: none; }

.proj-card-img { height: 200px; overflow: hidden; }
.proj-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.65s ease; }
.proj-card:hover .proj-card-img img { transform: scale(1.06); }

.proj-card-body { padding: 1.15rem; }
.proj-card-cat { font-size: 0.62rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.35rem; }
.proj-card-name { font-size: 1rem; font-weight: 700; color: var(--white); line-height: 1.25; margin-bottom: 0.5rem; }
.proj-card-meta { display: flex; align-items: center; gap: 0.65rem; font-size: 0.72rem; color: var(--text-faint); flex-wrap: wrap; }
.proj-card-meta-item { display: flex; align-items: center; gap: 0.3rem; }
.proj-card-meta-item svg { color: var(--accent); flex-shrink: 0; }
.proj-card-arrow { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-top: 0.75rem; transition: gap var(--t); }
.proj-card:hover .proj-card-arrow { gap: 0.55rem; }

.projects-empty { grid-column: 1/-1; padding: 4rem 2rem; text-align: center; display: none; }
.projects-empty.visible { display: block; }
.projects-empty-icon { color: var(--border); margin: 0 auto 1.25rem; }
.projects-empty-title { font-size: 1.1rem; margin-bottom: 0.5rem; }
.projects-empty-desc { font-size: 0.85rem; color: var(--text-muted); }

@media (max-width: 1024px) {
  .projects-page-layout { grid-template-columns: 1fr; }
  .cat-tree-sidebar { position: static; }
  .cat-sub-list { max-height: 500px !important; }
}
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .projects-grid { grid-template-columns: 1fr; }
}