/* GKL PRO Styles — modern, clean, responsive */
:root{
  --bg: #f7f8fb;
  --bg-alt: #ffffff;
  --text: #1a1f2b;
  --muted: #5c667a;
  --brand: #9884eb; /* primary */
  --brand-2: #17c6de; /* accent */
  --surface: rgba(0,0,0,0.04);
  --border: rgba(0,0,0,0.12);
  --success: #0ea765;
  --danger: #d93025;
  --shadow: 0 10px 30px rgba(16, 24, 40, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
  margin:0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text); background:
           radial-gradient(1200px 600px at 80% -10%, rgba(111,76,255,.12), transparent 60%),
           radial-gradient(1000px 500px at -10% 20%, rgba(23,198,222,.10), transparent 60%), var(--bg);
  line-height:1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden; /* prevent accidental horizontal scroll on mobile */
}

img{ max-width:100%; height:auto; display:block; }

.container{ width: min(1120px, 92%); margin: 0 auto; }
.skip-link{ position: absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus{ left: 16px; top: 16px; width:auto; height:auto; background: var(--brand); color:#fff; padding:8px 12px; border-radius:8px; }



/* Process Section */
.process {
    padding: 60px 0;
    background-color: var(--light-color);
}

.process h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.step {
    background-color: #fff;

    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.step-content {
    padding: 20px;
}

.step-content h3 {
    margin-top: 0;
    color: #333;
    font-size: 1.5em;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
}

.before-after {
    display: flex;
    width: 100%;
  
}

.image-container {
    position: relative;
    width: 70%;
    min-width: 20vw;
    min-height: 11vw;
    
}

.image-container img {
    display: block;
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-container:hover img {
    transform: scale(1.05);
}





/* Header */
.site-header{ position: sticky; top:0; z-index:50; backdrop-filter: saturate(140%) blur(12px); background: linear-gradient(180deg, rgba(232,235,250,.95), rgba(220,226,248,.82)); border-bottom:1px solid rgba(111,76,255,0.35); }
.header-inner{ display:flex; align-items:center; gap:16px; padding:13px 16px; }
.logo{ display: flex; align-items: center; align-self: center; }
.logo img{ filter: drop-shadow(0 0 16px rgba(111,76,255,.35)); height: auto; max-height: 100%; margin-top: -12px; }

.nav__toggle{ display:none; background:transparent; border:0; width:42px; height:42px; border-radius:10px; padding:0; position:relative; }
.nav__toggle span{ position:absolute; left:10px; right:10px; height:2px; background:#1a1f2b; border-radius:2px; transition:.3s; }
.nav__toggle span:nth-child(1){ top:12px; }
.nav__toggle span:nth-child(2){ top:20px; }
.nav__toggle span:nth-child(3){ top:28px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-8px) rotate(-45deg); }

.nav__list{ display:flex; gap:22px; list-style:none; padding:0; margin:0; }
.nav__list a{ color: #1f2742; text-decoration:none; padding:8px 10px; border-radius:8px; transition:.25s; }
.nav__list a:hover{ color: #0e1429; background: rgba(111,76,255,.14); }
.nav__dropdown{ position: relative;  }
.nav__dropdown-trigger{ color: #1f2742; text-decoration:none; padding:8px 10px; border-radius:8px; transition:.25s; cursor: pointer; }
.nav__dropdown-trigger:hover{ color: #0e1429; background: rgba(111,76,255,.14); }
.nav__submenu{ position:absolute; top:35px; left:0; min-width:220px; background:#ffffff; border:1px solid var(--border); border-radius:10px; padding:6px; display:none; box-shadow: var(--shadow); }
.nav__submenu.open{ display:block; }
.nav__submenu a{ display:block; padding:8px 10px; border-radius:8px; color: var(--text); }
.nav__submenu a:hover{ background: var(--surface); }

.header-cta{ display:flex; align-items:center; gap:14px; margin-left: auto; }
.header-cta .phone{ color:#111527; text-decoration:none; font-weight:600; }
.header-cta .btn.btn--primary{ box-shadow: 0 8px 20px rgba(111,76,255,.25); }

/* Hero */
.hero{ 
  position:relative; 
  padding: clamp(48px, 8vw, 96px) 0; 
  overflow:hidden;
  isolation: isolate;
}
.hero::after{ content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); z-index: 2; }
.hero video{ position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.bg-decor{ position:absolute; inset: -10% -5% auto -5%; height:420px; background: radial-gradient(600px 200px at 20% 40%, rgba(111,76,255,.22), transparent 60%),
           radial-gradient(500px 200px at 70% 10%, rgba(23,198,222,.18), transparent 60%);
  filter: blur(30px); opacity:.7; pointer-events:none; z-index: 2; }
.hero__inner{ display:flex; align-items:center; justify-content:center; position: relative; z-index: 3; }
.hero__content{ color: #ffffff; }
.hero h1{ font-size: clamp(28px, 4.6vw, 54px); line-height:1.1; margin:0 0 12px; }
.accent{ display:block; color: #5b4aff; font-weight:600; }
.lead{ color: #ffffff; font-size: clamp(16px, 1.8vw, 18px); margin: 8px 0 18px; }
.hero__bullets{ display:flex; gap:16px; flex-wrap:wrap; list-style:none; padding:0; margin: 0 0 24px; }
.hero__bullets li{ padding:6px 10px; border:1px solid var(--border); border-radius:999px; color:#ffffff; background: rgba(255, 255, 255, 0.04); }
.hero__actions{ display:flex; gap:12px; align-items:center; }
.hero__badges{ display:flex; gap:18px; margin-top:26px; }
.badge{ padding:10px 14px; background: #ffffff; border:1px solid var(--border); border-radius:14px; box-shadow: var(--shadow); }
.badge strong{ display:block; font-size:14px; }
.badge span{ color: var(--muted); font-size:12px; }
.mockup{ border-radius:18px; background: transparent; border: 0; padding: 0; box-shadow: none; }

/* Sections */
.section{ padding: clamp(48px, 8vw, 96px) 0; }
.section--alt{ background: #ffffff; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section__title{ font-size: clamp(22px, 3vw, 36px); margin:0 0 6px; }
.section__subtitle{ color: var(--muted); margin:0 0 28px; }

/* Cards */
.cards{ display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; }
.card{ background: #ffffff; border:1px solid var(--border); border-radius:16px; padding:18px; transition:.25s; box-shadow: var(--shadow); }
.card:hover{ transform: translateY(-3px); border-color: rgba(124,92,255,.35); }
.card h3{ margin:12px 0 6px; font-size:18px; }
.card p{ margin:0; color: var(--muted); }
.card img{ border-radius:12px; background: #f3f5fb; border:1px dashed rgba(0,0,0,.12); }

/* Portfolio Header */
.portfolio-header {
  text-align: center;
  margin-bottom: 3rem;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--brand);
  background: transparent;
  color: var(--brand);
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.filter-btn:hover {
  background: var(--brand);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(152, 132, 235, 0.3);
}

.filter-btn.active {
  background: var(--brand);
  color: white;
}

/* Simple Gallery Grid Layout */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.95);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  cursor: pointer;
  aspect-ratio: 4/3;
  border-radius: 8px;
}

/* Add subtle hover effects */
.gallery__item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  z-index: 10;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
  filter: brightness(1.05) contrast(1.1);
}

.gallery__item:hover img {
  transform: scale(1.05);
  filter: brightness(1.1) contrast(1.2) saturate(1.2);
}

/* Overlay with info */
.gallery__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 2rem 1.5rem 1.5rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.gallery__item:hover .gallery__overlay {
  transform: translateY(0);
}

.gallery__info h3 {
  color: white;
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
  font-weight: 600;
}

.gallery__info p {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.4;
}
/* Features */
.features{ display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; }
.feature{ background: #ffffff; border:1px solid var(--border); border-radius:16px; padding:18px; }
.feature h3{ margin:0 0 6px; font-size:18px; }
.feature p{ margin:0; color: var(--muted); }

/* Steps */
.steps{ list-style:none; padding:0; margin:0; display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; counter-reset: step; }
.steps li{ background: #ffffff; border:1px solid var(--border); border-radius:16px; padding:16px; display:flex; align-items:center; gap:12px; }
.steps li span{ display:inline-grid; place-items:center; width:28px; height:28px; border-radius:8px; background: linear-gradient(90deg, var(--brand), var(--brand-2)); font-weight:700; }

/* Testimonials */
.testimonials{ display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; }
.testimonial{ background: #ffffff; border:1px solid var(--border); border-radius:16px; padding:18px; font-style:normal; }
.testimonial blockquote{ margin:0 0 10px; }
.testimonial figcaption{ color: var(--muted); }

/* CTA */
.cta{ padding: clamp(42px, 6vw, 72px) 0; }
.cta__inner{ display:grid; place-items:center; text-align:center; gap:8px; background: radial-gradient(500px 120px at 50% -10%, rgba(111,76,255,.18), transparent 60%), #ffffff; border:1px solid var(--border); border-radius:22px; padding: clamp(22px, 5vw, 42px); box-shadow: var(--shadow); }

/* FAQ */
.faq{ display:grid; gap:12px; }
.faq__item{ background: #ffffff; border:1px solid var(--border); border-radius:14px; padding:12px 16px; }
.faq__item summary{ cursor:pointer; font-weight:600; }
.faq__item[open]{ border-color: rgba(124,92,255,.35); }

/* Contact */
.contact{ display:grid; grid-template-columns: 1fr 1.2fr; gap:24px; align-items:start; }
.contact__list{ list-style:none; padding:0; margin:12px 0 0; display:grid; gap:6px; }
.contact__list a{ color:#050505; text-decoration:none; }
.contact__form{ background: #ffffff; border:1px solid var(--border); border-radius:16px; padding:18px; box-shadow: var(--shadow); }
.form__row{ display:grid; grid-template-columns: repeat(2, 1fr); gap:12px; }
label{ display:grid; gap:6px; font-size:14px; }
input, select, textarea{ width:100%; padding:12px 14px; border-radius:12px; border:1px solid var(--border); background:#ffffff; color:var(--text); outline:none; transition:.2s; }
input:focus, select:focus, textarea:focus{ border-color: rgba(111,76,255,.5); box-shadow: 0 0 0 4px rgba(111,76,255,.18); }
.form__actions{ display:flex; align-items:center; gap:14px; margin-top:12px; }
.form__note{ color: var(--muted); font-size:12px; }

/* Footer */
.site-footer{ border-top:1px solid var(--border); padding:18px 0; background: #ffffff; }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; }
.footer-nav{ list-style:none; display:flex; gap:12px; padding:0; margin:0; }
.footer-nav a{ color: var(--muted); text-decoration:none; }
.copy{ color: var(--muted); }

/* Buttons */
.btn{ --p: 11px 14px; --r: 12px; --bg: var(--surface); --b: var(--border); display:inline-flex; align-items:center; justify-content:center; gap:10px; padding: var(--p); border-radius: var(--r); border:1px solid var(--b); color:var(--text); text-decoration:none; transition:.25s; box-shadow: var(--shadow); }
.btn:hover{ transform: translateY(-1px); }
.btn--primary{ --bg: linear-gradient(90deg, var(--brand), var(--brand-2)); --b: transparent; background: var(--bg); color:#ffffff; }
.btn.btn--primary-top{ --bg: linear-gradient(90deg, var(--brand), var(--brand-2)); --b: transparent; background: var(--bg); color:#ffffff; }
.btn--ghost{ background: transparent; }
.btn--lg{ padding: 14px 18px; border-radius: 14px; font-size: 16px; }

/* Lightbox */
.lightbox{ position: fixed; inset:0; display:none; place-items:center; background: rgba(0,0,0,.4); backdrop-filter: blur(6px); z-index:100; }
.lightbox.open{ display:grid; }
.lightbox img{ max-width:92vw; max-height:84vh; border-radius:14px; border:1px solid var(--border); background:#ffffff; }
.lightbox__close{ position:absolute; top:18px; right:18px; width:40px; height:40px; border-radius:10px; background: rgba(255,255,255,.9); border:1px solid var(--border); color:#1a1f2b; font-size:24px; cursor:pointer; }

/* About Section */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-text {
  margin-bottom: 3rem;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.about-features .feature {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.about-features .feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(152, 132, 235, 0.1), transparent);
  transition: left 0.5s;
}

.about-features .feature:hover::before {
  left: 100%;
}

.about-features .feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  position: relative;
}

/* Accuracy Icon - Target Animation */
.accuracy-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  animation: targetPulse 2s infinite;
}

.accuracy-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 1px solid var(--brand-2);
  border-radius: 50%;
  animation: targetPulse 2s infinite 0.5s;
}

@keyframes targetPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.7; }
}

/* Speed Icon - Lightning Animation */
.speed-icon::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 25px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 20px solid var(--brand);
  animation: lightningFlash 1.5s infinite;
}

.speed-icon::after {
  content: '';
  position: absolute;
  top: 35px;
  left: 17px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 20px solid var(--brand-2);
  animation: lightningFlash 1.5s infinite 0.3s;
}

@keyframes lightningFlash {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Guarantee Icon - Shield Animation */
.guarantee-icon::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 35px;
  background: var(--brand);
  clip-path: polygon(50% 0%, 0% 25%, 0% 100%, 50% 85%, 100% 100%, 100% 25%);
  animation: shieldGlow 2s infinite;
}

.guarantee-icon::after {
  content: '✓';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-weight: bold;
  font-size: 16px;
  animation: checkmarkBounce 2s infinite 0.5s;
}

@keyframes shieldGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(152, 132, 235, 0.5); }
  50% { box-shadow: 0 0 20px rgba(152, 132, 235, 0.8); }
}

@keyframes checkmarkBounce {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.1); }
}

/* Professional Icon - Gear Animation */
.professional-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: var(--brand);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  animation: gearRotate 3s linear infinite;
}

.professional-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--brand-2);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  animation: gearRotate 3s linear infinite reverse;
}

@keyframes gearRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.about-features .feature h4 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem 0;
  color: var(--brand);
}

.about-features .feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Process Section */
.process{ padding: clamp(48px, 8vw, 96px) 0; background: #ffffff; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-title{ text-align: center; margin-bottom: 40px; }
.section-title h2{ font-size: clamp(22px, 3vw, 36px); margin:0 0 6px; }
.section-title p{ color: var(--muted); margin:0; }
.process-steps{ display: grid; gap: 40px; }
.step{ display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.step:nth-child(even) .step-content{ order: 2; }
.step:nth-child(even) .before-after{ order: 1; }
.step-content h3{ font-size: 20px; margin: 0 0 8px; }
.step-content p{ color: var(--muted); margin: 0; }
.before-after{ display: flex; gap: 0; }
.image-container{ position: relative; border-radius: 0; overflow: hidden; background: #f3f5fb; border: 1px solid var(--border); height: 250px; display: flex; align-items: center; justify-content: center; }
.image-container img{ width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.image-container:hover img{ transform: scale(1.02); }
.label{ position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,.7); color: #fff; padding: 4px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
@media (max-width: 980px){
  .nav__toggle{ display:block; }
  .nav__list{ position: absolute; top:64px; right: 4%; left: 4%; flex-direction:column; gap:4px; background: #ffffff; border:1px solid var(--border); border-radius:14px; padding:10px; display:none; }
   .nav__list.open{ display:flex; }
  .nav__dropdown{ position: static; }
  .nav__submenu{ position: static; display:none; border:0; box-shadow:none; padding:0; }
  .nav__submenu.open{ display:block; }
  .cards, .features, .steps, .testimonials{ grid-template-columns: 1fr 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .process-steps{ gap: 32px; }
  .step{ grid-template-columns: 1fr; gap: 16px; }
  .step:nth-child(even) .step-content{ order: 1; }
  .step:nth-child(even) .before-after{ order: 2; }
  .before-after{ flex-direction: column; }
  .image-container{ height: 400px; }
   .image-container{ width: 100vw; margin-left: calc(-50vw + 50%); }
   .label{ left: 30px;  }
   .btn.btn--primary-top{display: none;}
}
@media (max-width: 1200px){
  .nav__toggle{ display:block; }
  .nav__list{ position: absolute; top:64px; right: 4%; left: 4%; flex-direction:column; gap:4px; background: #ffffff; border:1px solid var(--border); border-radius:14px; padding:10px; display:none; }
   .nav__list.open{ display:flex; }
  .nav__dropdown{ position: static; }
  .nav__submenu{ position: static; display:none; border:0; box-shadow:none; padding:0; }
  .nav__submenu.open{ display:block; }
  .cards, .features, .steps, .testimonials{ grid-template-columns: 1fr 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .process-steps{ gap: 32px; }
  .step{ grid-template-columns: 1fr; gap: 16px; }
  .step:nth-child(even) .step-content{ order: 1; }
  .step:nth-child(even) .before-after{ order: 2; }
  .before-after{ flex-direction: column; }
  .image-container{ height: 400px; }
   .image-container{ width: 100vw; margin-left: calc(-50vw + 50%); }
   .label{ left: 40px;  }
  
}
@media (min-width: 981px){
  /* Make hero media full-bleed on desktop */
  .hero .container{ width:100%; max-width:100%; }
  /* Center the upper hero content block */
  .hero__content{ width: min(960px, 92%); margin: 0 auto 24px; text-align: center; }
  .hero__bullets{ justify-content: center; }
  .hero__actions{ justify-content: center; }
  .hero__badges{ justify-content: center; }
}
@media (max-width: 720px){
  .nav__toggle{ display:block; }
  .nav__list{ position: absolute; top:64px; right: 4%; left: 4%; flex-direction:column; gap:4px; background: #ffffff; border:1px solid var(--border); border-radius:14px; padding:10px; display:none; }
  .nav__list.open{ display:flex; }
  .nav__dropdown{ position: static; }
  .nav__submenu{ position: static; display:none; border:0; box-shadow:none; padding:0; }
  .nav__submenu.open{ display:block; }
  .cards, .features, .steps, .testimonials{ grid-template-columns: 1fr; }
 
  /* Footer layout fixes on mobile to avoid overflow */
  .site-footer{ overflow-x: hidden; }
  .footer-inner{ flex-direction: column; align-items: flex-start; gap:10px; }
  .footer-nav{ flex-wrap: wrap; width: 100%; row-gap: 6px; }
  .footer-nav li{ margin: 0; }
  .footer-nav a{ display:inline-block; max-width: 100%; white-space: normal; }
  .copy{ width: 100%; }
  .process-steps{ gap: 24px; }
  .image-container{ height: 380px; }
  .process .container{ padding: 0; }
  .image-container{ width: 100vw; margin-left: calc(-50vw + 50%); }
 .label{ position: absolute; top: 8px; left: 20px; background: rgba(0,0,0,.7); color: #fff; padding: 4px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
  
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  background: none;
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.tab-button.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.tab-button:hover {
  color: var(--brand);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Blue squares for lists */
.blue-squares li {
  position: relative;
  padding-left: 20px;
}

.blue-squares li::before {
  content: '■';
  color: var(--brand);
  font-size: 14px;
  position: absolute;
  left: 0;
  top: 0;
}

/* Responsive gallery */
/* Mobile adjustments for portfolio */
@media (max-width: 768px) {
  .filter-buttons {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
  
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  /* Reset staggered transforms on mobile */
  .gallery__item {
    transform: none !important;
  }
  
  .gallery__item:hover {
    transform: translateY(-8px) scale(1.02) !important;
  }
  
  .gallery__overlay {
    padding: 1.5rem 1rem 1rem;
  }
  
  .gallery__info h3 {
    font-size: 1rem;
  }
  
  .gallery__info p {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .gallery {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .filter-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .filter-btn {
    width: 200px;
    max-width: 90%;
  }
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  min-width: 300px;
  max-width: 500px;
  padding: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  border: 1px solid var(--border);
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-notification.toast-success {
  border-left: 4px solid var(--success);
}

.toast-notification.toast-success .toast-icon {
  background: var(--success);
  color: white;
}

.toast-notification.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-notification.toast-error .toast-icon {
  background: var(--danger);
  color: white;
}

.toast-content {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
}

.toast-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
  margin-left: 8px;
  flex-shrink: 0;
}

.toast-close:hover {
  background: rgba(0,0,0,0.05);
  color: var(--text);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .toast-notification {
    left: 20px;
    right: 20px;
    min-width: auto;
    max-width: none;
  }
}

/* Sub-tabs */
.sub-tabs {
  display: flex;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border);
  margin-top: 15px;
}

.sub-tab-button {
  background: none;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.sub-tab-button.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.sub-tab-button:hover {
  color: var(--brand);
}

.sub-tab-content {
  display: none;
}

.sub-tab-content.active {
  display: block;
}

/* Sidebar layout */
.content-wrapper {
  display: flex;
  gap: 30px;
}

.sidebar {
  flex: 0 0 250px;
  position: sticky;
  top: 20px;
  height: fit-content;
}

.sidebar-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-tab-button {
  background: none;
  border: none;
  padding: 15px 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  text-align: left;
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
  border-radius: 0 8px 8px 0;
}

.sidebar-tab-button.active {
  color: var(--brand);
  background: rgba(152, 132, 235, 0.1);
  border-left-color: var(--brand);
}

.sidebar-tab-button:hover {
  color: var(--brand);
  background: rgba(152, 132, 235, 0.05);
}

.main-content {
  flex: 1;
}

/* Responsive for sidebar */
@media (max-width: 768px) {
  .content-wrapper {
    flex-direction: column;
  }
  
  .sidebar {
    position: static;
    flex: none;
  }
  
  .sidebar-tabs {
    flex-direction: row;
    overflow-x: auto;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }
  
  .sidebar-tab-button {
    flex: 1;
    min-width: 120px;
    padding: 12px 16px;
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    text-align: center;
  }
  
  .sidebar-tab-button.active {
    border-left: none;
    border-bottom-color: var(--brand);
    background: none;
  }
}

/* Soundproofing intro article */
.soundproofing-intro {
  margin-bottom: 40px;
}

.soundproofing-intro h2 {
  color: var(--brand);
  margin-bottom: 20px;
  font-size: 1.8em;
}

.soundproofing-intro h3 {
  color: var(--text);
  margin: 30px 0 15px 0;
  font-size: 1.4em;
}

.soundproofing-intro p {
  line-height: 1.6;
  margin-bottom: 15px;
}

.soundproofing-intro ul {
  margin: 15px 0;
  padding-left: 20px;
}

.soundproofing-intro li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.soundproofing-intro li strong {
  color: var(--brand);
}








#optima ul li:nth-child(1)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(2)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(3)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(4)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(5)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(6)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(7)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#optima ul li:nth-child(8)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(1)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(2)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(3)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(4)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(5)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(6)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(7)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

#basic ul li:nth-child(8)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
}

















/* Technologies Section */
.technologies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.technology-card {
  display: block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.technology-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(16, 24, 40, .16);
  border-color: var(--brand);
}

.technology-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.technology-card__icon svg {
  width: 100%;
  height: 100%;
}

.technology-card h3 {
  margin: 0 0 8px 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.technology-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}