/* =========================================================
   VK ADVERTISING — PREMIUM LIGHT 3D DESIGN SYSTEM v4.0
   Vibrant White + Emerald Green + Gold — Mobile First
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;800;900&family=Great+Vibes&display=swap');

/* ── CSS Variables ──────────────────────────────────────── */
:root {
  /* Light Theme Backgrounds */
  --bg-white:      #ffffff;
  --bg-light:      #f4f7f0;
  --bg-soft:       #eef5e9;
  --bg-section:    #f9fbf7;

  /* Brand Colors */
  --green:         #1a8a45;
  --green-light:   #22c55e;
  --green-bright:  #00d97e;
  --green-pale:    #dcfce7;
  --gold:          #d4900a;
  --gold-light:    #fbbf24;
  --gold-pale:     #fef3c7;
  --cyan:          #0891b2;
  --cyan-pale:     #cffafe;
  --purple:        #7c3aed;
  --purple-pale:   #ede9fe;
  --orange:        #ea580c;
  --orange-pale:   #ffedd5;
  --red:           #dc2626;

  /* Text */
  --text-dark:     #0f1f0a;
  --text-body:     #1e3a1a;
  --text-muted:    #4a6741;
  --text-light:    #7a9e76;
  --text-dim:      #a5c2a0;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(26,138,69,0.10);
  --shadow-md:   0 8px 32px rgba(26,138,69,0.14), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg:   0 20px 60px rgba(26,138,69,0.18), 0 4px 16px rgba(0,0,0,0.08);
  --shadow-3d:   0 25px 50px rgba(26,138,69,0.20), 0 10px 20px rgba(0,0,0,0.10), inset 0 1px 0 rgba(255,255,255,0.8);
  --shadow-gold: 0 12px 40px rgba(212,144,10,0.25), 0 4px 12px rgba(0,0,0,0.08);

  /* Borders */
  --border-light:  rgba(26,138,69,0.12);
  --border-medium: rgba(26,138,69,0.25);
  --border-strong: rgba(26,138,69,0.45);

  /* Radius */
  --r-sm:  10px;
  --r-md:  18px;
  --r-lg:  28px;
  --r-xl:  40px;
  --r-2xl: 56px;

  /* Fonts */
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --font-display: 'Playfair Display', serif;
  --font-cursive: 'Great Vibes', cursive;

  /* Transitions */
  --ease: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  --ease-fast: all 0.18s ease;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg-light);
  color: var(--text-body);
  overflow-x: hidden;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width:7px; }
::-webkit-scrollbar-track { background:#f0f7ec; }
::-webkit-scrollbar-thumb { background:linear-gradient(180deg, var(--green), var(--green-light)); border-radius:4px; }

/* ── Typography ─────────────────────────────────────────── */
h1 { font-family:var(--font-display); font-size:clamp(42px,6vw,76px); font-weight:900; line-height:1.08; color:var(--text-dark); }
h2 { font-family:var(--font-display); font-size:clamp(34px,4.5vw,58px); font-weight:800; line-height:1.15; color:var(--text-dark); }
h3 { font-family:var(--font-body); font-size:clamp(22px,3vw,30px); font-weight:800; line-height:1.25; color:var(--text-dark); }
h4 { font-family:var(--font-body); font-size:clamp(17px,2vw,22px); font-weight:700; line-height:1.3; color:var(--text-dark); }
h5 { font-family:var(--font-body); font-size:16px; font-weight:700; color:var(--text-body); }
p  { font-size:17px; line-height:1.75; color:var(--text-muted); }

.font-cursive { font-family:var(--font-cursive); }
.text-display { font-family:var(--font-display); }

/* Gradient Texts */
.text-gradient {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-gradient-gold {
  background: linear-gradient(135deg, #b45309 0%, var(--gold) 50%, var(--gold-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-gradient-vivid {
  background: linear-gradient(135deg, #065f46 0%, #22c55e 50%, #16a34a 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── Layout Helpers ─────────────────────────────────────── */
.container  { max-width:1240px; margin:0 auto; padding:0 28px; }
.container-sm { max-width:860px; margin:0 auto; padding:0 28px; }
.section    { padding:100px 0; }
.section-sm { padding:70px 0; }

.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

/* ── Section Badge ──────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center; gap:7px;
  background:var(--green-pale);
  border:1.5px solid rgba(34,197,94,0.3);
  color:var(--green);
  font-size:12px; font-weight:800;
  letter-spacing:0.14em; text-transform:uppercase;
  padding:7px 18px; border-radius:100px;
  margin-bottom:16px;
}

.badge-gold {
  background:var(--gold-pale);
  border-color:rgba(251,191,36,0.35);
  color:var(--gold);
}

/* Divider */
.divider {
  width:56px; height:4px;
  border-radius:4px;
  background:linear-gradient(90deg, var(--green), var(--green-light));
  margin:14px 0 0;
}
.divider-center { margin:14px auto 0; }
.divider-gold { background:linear-gradient(90deg, #b45309, var(--gold-light)); }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background:var(--bg-white);
  border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);
  transition:var(--ease);
  position:relative;
  overflow:hidden;
}
.card::before {
  content:'';
  position:absolute; top:0; left:0; right:0;
  height:3px;
  background:linear-gradient(90deg, var(--green), var(--green-light));
  opacity:0; transition:opacity 0.3s;
}
.card:hover { box-shadow:var(--shadow-lg); transform:translateY(-8px) scale(1.01); border-color:var(--border-medium); }
.card:hover::before { opacity:1; }

/* 3D Tilt Card */
.card-3d {
  background:var(--bg-white);
  border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-3d);
  transition:transform 0.2s ease, box-shadow 0.3s ease;
  position:relative;
  transform-style:preserve-3d;
}

/* Icon Box */
.icon-box {
  width:68px; height:68px; border-radius:20px;
  display:flex; align-items:center; justify-content:center;
  font-size:30px; flex-shrink:0;
  transition:var(--ease);
}
.icon-green  { background:var(--green-pale);  color:var(--green); }
.icon-gold   { background:var(--gold-pale);   color:var(--gold); }
.icon-cyan   { background:var(--cyan-pale);   color:var(--cyan); }
.icon-purple { background:var(--purple-pale); color:var(--purple); }
.icon-orange { background:var(--orange-pale); color:var(--orange); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  border:none; cursor:pointer;
  font-family:var(--font-body); font-weight:700; font-size:16px;
  letter-spacing:0.01em; border-radius:var(--r-sm);
  padding:14px 30px; text-decoration:none;
  transition:var(--ease); position:relative; overflow:hidden;
  white-space:nowrap;
}
.btn-lg { padding:18px 42px; font-size:18px; border-radius:var(--r-md); }
.btn-sm { padding:10px 22px; font-size:14px; }
.btn-xs { padding:7px 16px; font-size:12px; }

.btn-primary {
  background:linear-gradient(135deg, #15803d 0%, #22c55e 100%);
  color:#fff;
  box-shadow:0 6px 24px rgba(26,138,69,0.35);
}
.btn-primary:hover { box-shadow:0 10px 36px rgba(26,138,69,0.50); transform:translateY(-3px); }

.btn-gold {
  background:linear-gradient(135deg, #92400e 0%, #d97706 50%, #fbbf24 100%);
  color:#fff;
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover { box-shadow:0 16px 48px rgba(212,144,10,0.40); transform:translateY(-3px); }

.btn-outline {
  background:transparent;
  border:2px solid var(--green);
  color:var(--green);
}
.btn-outline:hover { background:var(--green); color:#fff; box-shadow:0 8px 28px rgba(26,138,69,0.30); transform:translateY(-2px); }

.btn-outline-gold {
  background:transparent;
  border:2px solid var(--gold);
  color:var(--gold);
}
.btn-outline-gold:hover { background:var(--gold); color:#fff; }

.btn-white {
  background:#fff;
  color:var(--green);
  box-shadow:0 4px 20px rgba(0,0,0,0.12);
}
.btn-white:hover { box-shadow:0 8px 32px rgba(0,0,0,0.18); transform:translateY(-2px); }

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1.5px solid rgba(26,138,69,0.10);
  box-shadow:0 2px 20px rgba(26,138,69,0.08);
  transition:var(--ease);
}
.navbar.scrolled {
  background:rgba(255,255,255,0.99);
  box-shadow:0 4px 30px rgba(0,0,0,0.10);
}

.nav-link {
  font-size:15px; font-weight:700; color:var(--text-muted);
  text-decoration:none; padding:6px 2px;
  position:relative; transition:color 0.2s;
}
.nav-link::after {
  content:''; position:absolute; bottom:-3px; left:0; right:0;
  height:2.5px; background:var(--green);
  transform:scaleX(0); transition:transform 0.25s; border-radius:2px;
}
.nav-link:hover, .nav-link.active { color:var(--green); }
.nav-link:hover::after, .nav-link.active::after { transform:scaleX(1); }

/* Mobile nav */
.mobile-btn { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; background:none; border:none; }
.mobile-btn span { display:block; width:26px; height:2.5px; background:var(--text-body); border-radius:2px; transition:var(--ease); }

.mobile-nav {
  display:none; flex-direction:column;
  background:#fff; border-top:1.5px solid var(--border-light);
  padding:16px 24px 24px; gap:4px;
}
.mobile-nav.open { display:flex; }
.mobile-nav a {
  color:var(--text-muted); text-decoration:none;
  font-size:16px; font-weight:700;
  padding:13px 18px; border-radius:var(--r-sm);
  border:1.5px solid transparent; transition:var(--ease-fast);
}
.mobile-nav a:hover, .mobile-nav a.active {
  color:var(--green); background:var(--green-pale); border-color:rgba(34,197,94,0.25);
}

/* ── Hero ───────────────────────────────────────────────── */
.hero-section {
  min-height:100vh;
  background:linear-gradient(160deg, #ffffff 0%, #f0fdf4 30%, #ecfdf5 60%, #f0faf3 100%);
  position:relative; overflow:hidden;
  display:flex; align-items:center;
}

/* Decorative background shapes */
.bg-blob {
  position:absolute;
  border-radius:50%;
  filter:blur(70px);
  pointer-events:none;
}

/* ── Stats Strip ─────────────────────────────────────────── */
.stats-strip {
  background:linear-gradient(135deg, var(--green) 0%, #16a34a 50%, #15803d 100%);
  color:#fff;
  padding:48px 0;
}

.stat-item { text-align:center; }
.stat-num {
  font-family:var(--font-display);
  font-size:clamp(48px,6vw,72px);
  font-weight:900; line-height:1;
  color:#fff;
}
.stat-label { font-size:14px; font-weight:700; text-transform:uppercase; letter-spacing:0.10em; color:rgba(255,255,255,0.75); margin-top:6px; }

/* ── Service Cards ───────────────────────────────────────── */
.service-card {
  background:#fff;
  border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:var(--ease);
  position:relative;
}
.service-card-img {
  width:100%; height:220px; object-fit:cover;
  transition:transform 0.5s ease;
}
.service-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-10px); border-color:var(--border-medium); }
.service-card:hover .service-card-img { transform:scale(1.06); }

.service-card-body { padding:24px 26px 28px; }

/* Price tag */
.price-tag {
  display:inline-flex; align-items:baseline; gap:3px;
  background:var(--green-pale);
  border:1.5px solid rgba(34,197,94,0.25);
  border-radius:var(--r-sm); padding:8px 16px; margin:10px 0 14px;
}
.price-big { font-family:var(--font-display); font-size:28px; font-weight:800; color:var(--green); }
.price-unit { font-size:13px; color:var(--text-light); font-weight:600; }

/* ── Why VK boxes ────────────────────────────────────────── */
.why-box {
  background:#fff;
  border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  padding:38px 32px;
  text-align:center;
  transition:var(--ease);
  position:relative;
  overflow:hidden;
}
.why-box::after {
  content:'';
  position:absolute; bottom:0; left:0; right:0;
  height:4px;
  background:linear-gradient(90deg, var(--green), var(--green-light));
  transform:scaleX(0); transition:transform 0.35s; transform-origin:left;
}
.why-box:hover { box-shadow:var(--shadow-lg); transform:translateY(-8px); }
.why-box:hover::after { transform:scaleX(1); }
.why-icon {
  width:80px; height:80px; border-radius:24px;
  background:var(--green-pale); color:var(--green);
  font-size:36px; display:flex; align-items:center; justify-content:center;
  margin:0 auto 22px; transition:var(--ease);
}
.why-box:hover .why-icon { background:var(--green); color:#fff; transform:scale(1.1) rotate(-5deg); }

/* ── Testimonials ────────────────────────────────────────── */
.testi-card {
  background:#fff;
  border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  padding:34px;
  transition:var(--ease);
  position:relative;
}
.testi-card::before {
  content:'"'; font-family:Georgia,serif; font-size:100px;
  color:var(--green-pale); position:absolute; top:10px; left:22px;
  line-height:1; pointer-events:none;
}
.testi-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-6px); border-color:var(--border-medium); }
.stars { color:#f59e0b; font-size:18px; letter-spacing:2px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-label { font-size:13px; font-weight:800; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); display:block; margin-bottom:8px; }
.form-input {
  width:100%; background:#fff; border:2px solid var(--border-light);
  border-radius:var(--r-sm); padding:14px 18px;
  font-family:var(--font-body); font-size:16px; color:var(--text-dark);
  transition:var(--ease-fast); outline:none;
}
.form-input:focus { border-color:var(--green); box-shadow:0 0 0 4px rgba(34,197,94,0.12); }
.form-input::placeholder { color:var(--text-dim); }
.form-input option { background:#fff; color:var(--text-dark); }

/* ── Tab Buttons ─────────────────────────────────────────── */
.tab-btn {
  background:transparent; border:2px solid var(--border-light);
  color:var(--text-muted); padding:10px 24px; border-radius:100px;
  font-size:14px; font-weight:700; font-family:var(--font-body);
  cursor:pointer; transition:var(--ease-fast);
}
.tab-btn:hover { border-color:var(--green); color:var(--green); background:var(--green-pale); }
.tab-btn.active { background:var(--green); border-color:var(--green); color:#fff; box-shadow:0 4px 18px rgba(26,138,69,0.35); }

/* ── Portfolio Grid ──────────────────────────────────────── */
.port-item {
  border-radius:var(--r-md);
  overflow:hidden;
  position:relative;
  cursor:pointer;
  background:#e8f5e9;
  transition:var(--ease);
  border:1.5px solid var(--border-light);
}
.port-item:hover { transform:scale(1.03); box-shadow:var(--shadow-lg); border-color:var(--border-strong); z-index:2; }
.port-item img { width:100%; height:100%; object-fit:cover; display:block; transition:transform 0.5s ease; }
.port-item:hover img { transform:scale(1.08); }
.port-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(15,31,10,0.90) 0%, rgba(15,31,10,0.3) 55%, transparent 100%);
  opacity:0; transition:opacity 0.4s;
  display:flex; flex-direction:column; justify-content:flex-end; padding:20px;
}
.port-item:hover .port-overlay { opacity:1; }
.port-zoom {
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%) scale(0.7);
  width:52px; height:52px; border-radius:50%;
  background:rgba(255,255,255,0.95); color:var(--green);
  display:flex; align-items:center; justify-content:center;
  font-size:22px; opacity:0;
  transition:opacity 0.3s, transform 0.3s;
}
.port-item:hover .port-zoom { opacity:1; transform:translate(-50%,-50%) scale(1); }

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-item { border:1.5px solid var(--border-light); border-radius:var(--r-md); overflow:hidden; margin-bottom:12px; transition:border-color 0.25s; }
.faq-item.open { border-color:var(--border-strong); box-shadow:var(--shadow-sm); }
.faq-q {
  width:100%; background:#fff; border:none; padding:20px 24px;
  text-align:left; font-family:var(--font-body); font-size:17px; font-weight:700;
  color:var(--text-dark); cursor:pointer; display:flex; align-items:center;
  justify-content:space-between; gap:14px; transition:background 0.2s;
}
.faq-q:hover { background:var(--bg-soft); }
.faq-icon { width:32px; height:32px; border-radius:50%; background:var(--green-pale); border:1.5px solid rgba(34,197,94,0.25); display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--green); font-size:15px; transition:transform 0.3s, background 0.3s; }
.faq-item.open .faq-icon { transform:rotate(45deg); background:var(--green); color:#fff; }
.faq-a { max-height:0; overflow:hidden; background:var(--bg-soft); padding:0 24px; font-size:16px; color:var(--text-muted); line-height:1.8; transition:max-height 0.4s cubic-bezier(0.23,1,0.32,1), padding 0.3s; }
.faq-item.open .faq-a { max-height:300px; padding:16px 24px 22px; }

/* ── Compare Table ───────────────────────────────────────── */
.compare-tbl { width:100%; border-collapse:collapse; }
.compare-tbl th { background:var(--green); color:#fff; padding:16px 20px; font-size:14px; font-weight:800; text-align:left; font-family:var(--font-body); }
.compare-tbl td { padding:15px 20px; border-bottom:1.5px solid var(--border-light); font-size:16px; color:var(--text-body); }
.compare-tbl tr:nth-child(even) td { background:var(--bg-soft); }
.compare-tbl tr:hover td { background:var(--green-pale); color:var(--text-dark); }
.check-yes { color:var(--green); font-size:18px; }
.check-gold { color:var(--gold); font-size:18px; }
.check-no { color:var(--text-dim); }

/* ── Calculator Slider ───────────────────────────────────── */
.calc-slider { -webkit-appearance:none; appearance:none; height:8px; border-radius:4px; background:var(--border-light); outline:none; width:100%; cursor:pointer; }
.calc-slider::-webkit-slider-thumb { -webkit-appearance:none; width:24px; height:24px; border-radius:50%; background:linear-gradient(135deg, #15803d, #22c55e); cursor:pointer; box-shadow:0 2px 10px rgba(26,138,69,0.40); border:2px solid rgba(255,255,255,0.8); }

/* ── WhatsApp Float ──────────────────────────────────────── */
.wa-float {
  position:fixed; bottom:30px; right:30px; z-index:900;
  width:62px; height:62px;
  background:linear-gradient(135deg, #25D366, #128C7E);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:30px; text-decoration:none;
  box-shadow:0 6px 28px rgba(37,211,102,0.55);
  animation:waPop 2.5s ease-in-out infinite;
  transition:transform 0.2s;
}
.wa-float:hover { transform:scale(1.12); }
@keyframes waPop {
  0%,100% { box-shadow:0 6px 28px rgba(37,211,102,0.55); }
  50%      { box-shadow:0 6px 28px rgba(37,211,102,0.55), 0 0 0 12px rgba(37,211,102,0.12); }
}

/* ── Chatbot ─────────────────────────────────────────────── */
.chatbot-btn {
  position:fixed; bottom:104px; right:22px; z-index:900;
  display:flex; align-items:center; gap:8px;
  background:linear-gradient(135deg, #7c3aed, #6d28d9);
  color:#fff; padding:11px 18px; border-radius:100px;
  font-size:13px; font-weight:700; font-family:var(--font-body);
  cursor:pointer; box-shadow:0 4px 22px rgba(124,58,237,0.45);
  transition:var(--ease); border:none;
}
.chatbot-btn:hover { transform:translateY(-3px) scale(1.04); }

.chat-window {
  position:fixed; bottom:172px; right:22px; width:330px;
  background:#fff; border:1.5px solid var(--border-light);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
  z-index:901; display:none; flex-direction:column;
  overflow:hidden; max-height:430px;
}
.chat-window.open { display:flex; }
.chat-head { background:linear-gradient(135deg,#7c3aed,#6d28d9); padding:16px 18px; display:flex; align-items:center; justify-content:space-between; }
.chat-head h4 { font-size:15px; font-weight:800; color:#fff; }
.chat-head button { background:none; border:none; color:rgba(255,255,255,0.7); cursor:pointer; font-size:20px; }
.chat-msgs { flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px; background:var(--bg-light); }
.chat-msg { max-width:85%; padding:11px 15px; border-radius:16px; font-size:14px; line-height:1.55; font-family:var(--font-body); }
.chat-msg.bot { background:#fff; border:1.5px solid var(--border-light); color:var(--text-dark); align-self:flex-start; border-radius:4px 16px 16px 16px; }
.chat-msg.user { background:var(--green); color:#fff; align-self:flex-end; border-radius:16px 16px 4px 16px; }

/* ── Lightbox ────────────────────────────────────────────── */
.lightbox {
  position:fixed; inset:0; background:rgba(15,31,10,0.95);
  backdrop-filter:blur(12px); z-index:3000;
  display:none; align-items:center; justify-content:center; padding:20px;
}
.lightbox.open { display:flex; }
.lightbox-box { max-width:900px; width:100%; background:#fff; border-radius:var(--r-xl); overflow:hidden; box-shadow:0 40px 100px rgba(0,0,0,0.5); animation:lbIn 0.35s cubic-bezier(0.23,1,0.32,1); }
@keyframes lbIn { from { opacity:0; transform:scale(0.9) translateY(30px); } to { opacity:1; transform:scale(1) translateY(0); } }

/* ── Reveal Animations ───────────────────────────────────── */
.reveal { opacity:0; transform:translateY(36px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:0.10s; }
.reveal-delay-2 { transition-delay:0.20s; }
.reveal-delay-3 { transition-delay:0.30s; }
.reveal-delay-4 { transition-delay:0.40s; }

/* ── Flip Card ───────────────────────────────────────────── */
.flip-wrap { perspective:900px; }
.flip-inner { position:relative; width:100%; height:100%; transform-style:preserve-3d; transition:transform 0.7s cubic-bezier(0.23,1,0.32,1); }
.flip-wrap:hover .flip-inner { transform:rotateY(180deg); }
.flip-front, .flip-back { position:absolute; inset:0; backface-visibility:hidden; border-radius:var(--r-lg); }
.flip-front { background:#fff; }
.flip-back { background:linear-gradient(135deg, var(--green), #16a34a); transform:rotateY(180deg); }

/* ── Mega Footer ─────────────────────────────────────────── */
.footer { background:#0a1f08; color:rgba(255,255,255,0.65); }
.footer h4 { color:#fff; font-size:16px; font-weight:800; margin-bottom:18px; padding-bottom:12px; border-bottom:1.5px solid rgba(255,255,255,0.1); }
.footer-link { display:inline-flex; align-items:center; gap:6px; color:rgba(255,255,255,0.55); font-size:15px; transition:color 0.2s; }
.footer-link:hover { color:var(--green-light); }
.footer-social { width:40px; height:40px; border-radius:12px; background:rgba(255,255,255,0.07); border:1.5px solid rgba(255,255,255,0.10); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.55); font-size:17px; text-decoration:none; transition:var(--ease-fast); }
.footer-social:hover { background:rgba(34,197,94,0.15); border-color:rgba(34,197,94,0.35); color:var(--green-light); transform:translateY(-2px); }

/* ── Admin Panel ─────────────────────────────────────────── */
.admin-layout { display:flex; min-height:100vh; background:var(--bg-light); }
.admin-sidebar {
  width:265px; min-width:265px;
  background:#fff; border-right:1.5px solid var(--border-light);
  position:fixed; top:0; left:0; height:100vh; overflow-y:auto; z-index:100;
  display:flex; flex-direction:column;
  box-shadow:4px 0 20px rgba(26,138,69,0.06);
  transition:transform 0.3s ease;
}
.admin-content { margin-left:265px; flex:1; padding:32px; min-height:100vh; }

.admin-nav-item {
  display:flex; align-items:center; gap:12px;
  padding:13px 22px; font-size:14px; font-weight:700;
  font-family:var(--font-body); color:var(--text-muted);
  text-decoration:none; border:none; background:none;
  width:100%; text-align:left; cursor:pointer;
  transition:var(--ease-fast); border-left:3px solid transparent;
}
.admin-nav-item:hover { background:var(--green-pale); color:var(--green); border-left-color:rgba(34,197,94,0.4); }
.admin-nav-item.active { background:var(--green-pale); color:var(--green); border-left-color:var(--green); }
.admin-nav-icon { width:36px; height:36px; border-radius:10px; background:var(--bg-soft); display:flex; align-items:center; justify-content:center; font-size:15px; flex-shrink:0; }
.admin-nav-item.active .admin-nav-icon { background:var(--green); color:#fff; }

.admin-stat { background:#fff; border:1.5px solid var(--border-light); border-radius:var(--r-md); padding:26px; transition:var(--ease); }
.admin-stat:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--border-medium); }

.admin-table { width:100%; border-collapse:collapse; }
.admin-table th { background:var(--green-pale); color:var(--green); font-size:12px; text-transform:uppercase; letter-spacing:0.08em; font-weight:800; padding:13px 16px; text-align:left; border-bottom:2px solid var(--border-light); font-family:var(--font-body); }
.admin-table td { padding:14px 16px; border-bottom:1.5px solid var(--border-light); font-size:15px; color:var(--text-body); font-family:var(--font-body); vertical-align:middle; }
.admin-table tr:hover td { background:var(--bg-soft); }

.status-badge { display:inline-flex; align-items:center; gap:5px; padding:5px 12px; border-radius:100px; font-size:12px; font-weight:800; }
.status-new       { background:var(--green-pale);  color:var(--green); border:1.5px solid rgba(34,197,94,0.3); }
.status-contacted { background:var(--gold-pale);   color:var(--gold);  border:1.5px solid rgba(251,191,36,0.35); }
.status-completed { background:var(--cyan-pale);   color:var(--cyan);  border:1.5px solid rgba(8,145,178,0.25); }

/* Modals */
.modal-backdrop { position:fixed; inset:0; background:rgba(15,31,10,0.75); backdrop-filter:blur(8px); z-index:2000; display:none; align-items:center; justify-content:center; padding:20px; }
.modal-backdrop.open { display:flex; }
.modal-box { background:#fff; border:1.5px solid var(--border-light); border-radius:var(--r-xl); padding:36px; width:100%; max-width:520px; max-height:90vh; overflow-y:auto; animation:lbIn 0.3s ease; box-shadow:var(--shadow-lg); }
.modal-close { width:38px; height:38px; border-radius:50%; background:var(--bg-soft); border:1.5px solid var(--border-light); display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:18px; color:var(--text-muted); transition:var(--ease-fast); }
.modal-close:hover { background:var(--green); color:#fff; }

/* ── Comprehensive Responsive Design System (Mobile, Tablet, Desktop) ── */

.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.calc-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.visit-box { padding: 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Tablets & iPad (769px to 1024px) ────────────────────── */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .section { padding: 80px 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .hero-grid, .how-grid, .calc-grid, .visit-box { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 24px !important; }
  .footer-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 32px !important; }
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-content { margin-left: 0; padding: 20px; }
  #statCards { grid-template-columns: repeat(2, 1fr) !important; }
  #portfolioAdminGrid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ── Large Mobile & Small Tablet (max-width: 900px) ────── */
@media (max-width: 900px) {
  .desktop-nav { display: none !important; }
  .mobile-btn { display: flex !important; }
  
  /* Hero 3D Board responsive reset */
  .hero-badge-strip { justify-content: center; }
  .board-3d {
    transform: none !important;
    animation: none !important;
    margin: 0 auto;
    padding: 24px 20px !important;
  }
  .board-3d-wrap { filter: drop-shadow(0 20px 30px rgba(26,138,69,0.15)); }
}

/* ── Mobile Phones (max-width: 768px) ────────────────────── */
@media (max-width: 768px) {
  .container, .container-sm { padding: 0 18px; }
  .section { padding: 54px 0; }
  .section-sm { padding: 40px 0; }

  /* Stack all grids to single column on mobile */
  .grid-2, .grid-3, .grid-4, .hero-grid, .how-grid, .calc-grid, .visit-box, .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }

  .visit-box {
    padding: 28px 18px !important;
  }

  /* Headlines & Typography scaling */
  h1 { font-size: clamp(26px, 7vw, 42px) !important; }
  h2 { font-size: clamp(22px, 5.5vw, 34px) !important; }
  h3 { font-size: clamp(19px, 4.5vw, 24px) !important; }
  p  { font-size: 15px !important; line-height: 1.65; }

  /* Mobile buttons */
  .btn-lg { padding: 14px 24px !important; font-size: 15px !important; width: 100%; justify-content: center; }
  
  /* Service Card Mobile Fit */
  .srv-card, .service-card {
    padding: 22px !important;
  }
  
  /* Form Grids Mobile Single Column */
  #cForm > div[style*="grid-template-columns"],
  form div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Admin Dashboard Mobile Grid Fixes */
  #statCards { grid-template-columns: 1fr !important; }
  #portfolioAdminGrid { grid-template-columns: repeat(2, 1fr) !important; }
  #servicesAdminGrid { grid-template-columns: 1fr !important; }

  /* Table Horizontal Scrolling */
  .compare-tbl, .admin-table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ── Small Mobile Phones (max-width: 480px) ───────────────── */
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  body { font-size: 15px; }

  /* Header adjustments for 320px-480px screens */
  .navbar { height: 66px; }
  .navbar .container { height: 66px !important; }
  .header-call-btn { display: none !important; }
  .header-logo-sub { display: none !important; }
  
  /* Floating Action Buttons positioning fix */
  .wa-float {
    width: 50px !important;
    height: 50px !important;
    font-size: 24px !important;
    bottom: 16px !important;
    right: 12px !important;
  }
  .chatbot-btn {
    bottom: 76px !important;
    right: 12px !important;
    font-size: 12px !important;
    padding: 7px 13px !important;
  }
  .chat-window {
    width: calc(100vw - 24px) !important;
    right: 12px !important;
    bottom: 125px !important;
    max-height: 70vh !important;
  }

  /* Modal boxes on small screens */
  .modal-box {
    padding: 20px !important;
    border-radius: 20px !important;
    max-width: 95vw !important;
  }
}

/* ── ULTRA MOBILE OPTIMIZATION OVERHAUL (max-width: 640px) ── */
@media (max-width: 640px) {
  /* Reduce global section padding to remove massive white gaps */
  .section { padding: 36px 0 !important; }
  .section-sm { padding: 24px 0 !important; }
  .container, .container-sm { padding: 0 14px !important; }

  /* Compact Headlines */
  h1 { font-size: 26px !important; line-height: 1.2 !important; }
  h2 { font-size: 22px !important; line-height: 1.25 !important; }
  h3 { font-size: 18px !important; line-height: 1.3 !important; }
  h4 { font-size: 16px !important; }
  p  { font-size: 14px !important; line-height: 1.6 !important; }

  /* Hero Section Compact Fit */
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    padding-top: 10px !important;
    padding-bottom: 20px !important;
  }
  .hero-badge-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 6px !important;
  }
  .hero-pill {
    padding: 4px 10px !important;
    font-size: 11px !important;
  }
  .board-3d {
    transform: none !important;
    animation: none !important;
    padding: 16px 14px !important;
    box-shadow: 0 10px 24px rgba(26,138,69,0.15) !important;
  }
  .board-shop-name {
    font-size: 22px !important;
    margin-bottom: 4px !important;
  }
  .board-subtitle-text {
    font-size: 11px !important;
  }

  /* Compact Trust Badges Row in Hero */
  .trust-badges-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
    margin-top: 20px !important;
    padding-top: 16px !important;
  }
  .trust-badge-divider { display: none !important; }

  /* Stats Strip Compact 2x2 Grid */
  .stats-strip { padding: 18px 0 !important; }
  .stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }
  .stat-num { font-size: 26px !important; }
  .stat-label { font-size: 11px !important; }

  /* Services Grid Compact Cards */
  .srv-card, .service-card {
    padding: 16px !important;
    border-radius: 16px !important;
  }
  .srv-card img, .service-card img {
    height: 140px !important;
    border-radius: 10px !important;
  }
  .srv-card h3 { font-size: 17px !important; }
  .price-tag { font-size: 14px !important; padding: 4px 10px !important; }

  /* Why Choose Us 2-Column Grid on Mobile */
  .why-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }
  .why-box {
    padding: 14px 12px !important;
    border-radius: 14px !important;
  }
  .why-box h4 { font-size: 14px !important; }
  .why-box p { font-size: 12px !important; line-height: 1.5 !important; }
  .why-icon { width: 36px !important; height: 36px !important; font-size: 16px !important; margin-bottom: 8px !important; }

  /* How We Work 4 Steps Compact Stack */
  .process-step {
    padding: 12px 14px !important;
    gap: 12px !important;
    border-radius: 14px !important;
  }
  .step-num {
    width: 32px !important;
    height: 32px !important;
    font-size: 14px !important;
  }

  /* Price Calculator Compact */
  .cta-section { padding: 30px 0 !important; }
  .calc-box {
    padding: 20px 16px !important;
    border-radius: 20px !important;
  }
  .calc-price { font-size: 26px !important; }

  /* Visit Us Section Compact */
  .visit-box {
    padding: 20px 16px !important;
    border-radius: 20px !important;
    gap: 20px !important;
  }
  .visit-box iframe {
    height: 180px !important;
  }

  /* Footer Compact 2-Column Grid */
  .footer { padding: 32px 0 16px !important; }
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 20px !important;
  }
  .footer h4 { font-size: 14px !important; margin-bottom: 12px !important; padding-bottom: 8px !important; }
  .footer-link { font-size: 13px !important; }

  /* Floating Buttons */
  .wa-float {
    width: 48px !important;
    height: 48px !important;
    font-size: 22px !important;
    bottom: 14px !important;
    right: 12px !important;
  }
  .chatbot-btn {
    bottom: 70px !important;
    right: 12px !important;
    font-size: 11px !important;
    padding: 6px 12px !important;
  }
  .chat-window {
    width: calc(100vw - 20px) !important;
    right: 10px !important;
    bottom: 115px !important;
    max-height: 65vh !important;
  }
}