/* ============ ROOT / RESET ============ */
:root{
  --bg: #05070d;
  --bg-soft: #080b14;
  --bg-card: #0d111c;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #eef1f8;
  --text-dim: #9aa3b8;
  --text-dimmer: #6b7387;
  --blue: #2f8fff;
  --blue-light: #6fc3ff;
  --cyan: #4fe3ff;
  --grad: linear-gradient(120deg, #4fe3ff 0%, #2f8fff 55%, #7b5cff 100%);
  --grad-text: linear-gradient(90deg, #7fd7ff, #4f9dff, #8f7bff);
  --shadow-glow: 0 0 60px rgba(47,143,255,0.25);
  --ease: cubic-bezier(.16,.84,.44,1);
}

@property --angle{
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
@keyframes rotateBorder{ to{ --angle: 360deg; } }

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5{
  font-family: 'Sora', sans-serif;
  margin: 0;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}
p{ margin: 0; color: var(--text-dim); }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
img{ max-width:100%; display:block; }
button{ font-family: inherit; cursor:pointer; }
.container{
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 32px;
}

::selection{ background: rgba(47,143,255,0.35); color:#fff; }

::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: #1a2030; border-radius:10px; }
::-webkit-scrollbar-thumb:hover{ background: var(--blue); }

/* ============ NOISE OVERLAY ============ */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 2;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ CURSOR GLOW ============ */
.cursor-glow{
  position: fixed;
  width: 420px; height: 420px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(47,143,255,0.10) 0%, rgba(47,143,255,0) 70%);
  transform: translate(-50%,-50%);
  z-index: 1;
  left: 50%; top:50%;
  transition: opacity .3s ease;
  will-change: transform;
}
@media (max-width: 900px){ .cursor-glow{ display:none; } }

/* ============ CURSOR RING ============ */
.cursor-ring{
  position: fixed;
  width: 34px; height: 34px;
  left:0; top:0;
  border-radius: 50%;
  border: 1.5px solid rgba(111,195,255,0.6);
  pointer-events: none;
  z-index: 1200;
  transform: translate(-50%,-50%);
  transition: width .25s var(--ease), height .25s var(--ease), border-color .25s ease, background .25s ease;
  will-change: transform;
}
.cursor-ring.hover{
  width: 58px; height: 58px;
  background: rgba(47,143,255,0.1);
  border-color: rgba(79,227,255,0.85);
}
@media (max-width: 900px){ .cursor-ring{ display:none; } }

/* ============ PRELOADER ============ */
.preloader{
  position: fixed; inset:0; z-index: 9999;
  background: var(--bg);
  display:flex; align-items:center; justify-content:center;
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}
.preloader.hide{ opacity:0; visibility:hidden; }
.preloader-inner{ display:flex; flex-direction:column; align-items:center; gap:22px; }
.preloader-logo{ width:88px; height:auto; animation: pulseLogo 1.6s ease-in-out infinite; filter: drop-shadow(0 0 20px rgba(47,143,255,.5)); }
@keyframes pulseLogo{ 0%,100%{ transform: scale(1); opacity:1;} 50%{ transform: scale(1.06); opacity:.8;} }
.preloader-bar{ width:180px; height:2px; background: rgba(255,255,255,.08); border-radius:2px; overflow:hidden; }
.preloader-bar span{ display:block; height:100%; width:0%; background: var(--grad); animation: loadBar 1.4s var(--ease) forwards; }
@keyframes loadBar{ 0%{ width:0%; } 100%{ width:100%; } }

/* ============ HEADER / NAV ============ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  padding: 22px 0;
  transition: padding .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
/* backdrop-filter lives on this pseudo-element (not on .site-header itself) so the
   header never becomes a containing block for fixed-position descendants like #navLinks */
.site-header::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background: rgba(5,7,13,0.75);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  opacity:0; transition: opacity .35s var(--ease);
}
.site-header.scrolled{
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.site-header.scrolled::before{ opacity:1; }
.navbar{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand-logo{ height: 40px; width:auto; transition: height .35s var(--ease); }
.site-header.scrolled .brand-logo{ height: 34px; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-size: 14.5px; font-weight:500; color: var(--text-dim);
  position: relative; padding: 4px 0; transition: color .25s ease;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background: var(--grad); transition: width .3s var(--ease);
}
.nav-links a:hover{ color: var(--text); }
.nav-links a:hover::after{ width:100%; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 26px; border-radius: 100px;
  font-size: 14.5px; font-weight:600; letter-spacing:.01em;
  border: 1px solid transparent; cursor:pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--grad); color:#04070d;
}
.btn-primary:hover{ transform: translateY(-2px); }
.btn-glow{ box-shadow: 0 0 0 rgba(47,143,255,0); }
.btn-glow:hover{ box-shadow: 0 8px 30px rgba(47,143,255,0.45); }
.btn-ghost{
  background: transparent; color: var(--text); border-color: var(--border-strong);
}
.btn-ghost:hover{ border-color: var(--blue-light); background: rgba(47,143,255,0.08); transform: translateY(-2px); }
.btn-lg{ padding: 16px 34px; font-size:16px; }
.magnetic{ transition: transform .25s cubic-bezier(.2,.9,.3,1.3), box-shadow .3s ease, background .3s ease, border-color .3s ease; }
.full-width{ width:100%; }
.btn-nav{ margin-left:8px; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; z-index: 600; position:relative; }
.nav-toggle span{ width:22px; height:2px; background:var(--text); border-radius:2px; transition: transform .3s var(--ease), opacity .25s ease; }
.nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.nav-mobile-cta{ display:none; }

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex; align-items:center; justify-content:center;
  overflow: hidden;
  padding: 140px 0 100px;
}
.hero-canvas{ position:absolute; inset:0; z-index:0; opacity:.65; }
.hero-grid{
  position:absolute; inset:0; z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}
.hero-glow{ position:absolute; border-radius:50%; filter: blur(110px); z-index:0; pointer-events:none; }
.hero-glow-1{ width:520px; height:520px; background: rgba(47,143,255,0.35); top:-160px; left:-120px; animation: floatGlow 12s ease-in-out infinite; }
.hero-glow-2{ width:460px; height:460px; background: rgba(123,92,255,0.30); bottom:-180px; right:-100px; animation: floatGlow 14s ease-in-out infinite reverse; }
.hero-glow-3{ width:500px; height:500px; background: rgba(79,227,255,0.18); top:10%; left:50%; transform:translateX(-50%); }
@keyframes floatGlow{ 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(30px,40px); } }

.hero-content{ position:relative; z-index:2; text-align:center; max-width: 900px; margin:0 auto; }

.hero-logo-wrap{ position:relative; display:inline-flex; align-items:center; justify-content:center; margin-bottom: 34px; }
.hero-logo{
  width: 156px; height:auto; position:relative; z-index:1;
  filter: drop-shadow(0 0 26px rgba(47,143,255,.45));
  animation: heroLogoFloat 5s ease-in-out infinite;
}
.hero-logo-glow{
  position:absolute; width:288px; height:288px; border-radius:50%;
  background: radial-gradient(circle, rgba(47,143,255,.4), transparent 70%);
  filter: blur(34px); animation: pulseLogo 3s ease-in-out infinite;
}
@keyframes heroLogoFloat{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-8px); } }

.hero-title{ font-size: clamp(2.6rem, 6vw, 4.6rem); margin-bottom: 26px; }
.reveal-line{ display:block; overflow:hidden; }
.grad-text{
  background: var(--grad-text);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{ font-size: 18px; color: var(--text-dim); max-width: 620px; margin: 0 auto 40px; }
.hero-cta{ display:flex; align-items:center; justify-content:center; gap:18px; flex-wrap:wrap; }

.scroll-indicator{
  margin: 56px auto 0; width:max-content;
  display:flex; flex-direction:column; align-items:center; gap:10px; z-index:2;
  text-align:center;
}
.scroll-indicator span{
  font-size:11px; letter-spacing:.15em; text-transform:uppercase; color: var(--text-dimmer);
  margin-right:-.15em; /* offset trailing letter-spacing so the word optically centers */
}
.scroll-line{ width:2px; height:46px; background: var(--border-strong); position:relative; overflow:hidden; flex-shrink:0; }
.scroll-line i{ position:absolute; top:-46px; left:0; width:100%; height:46px; background: var(--grad); animation: scrollDown 2s ease-in-out infinite; }
@keyframes scrollDown{ 0%{ top:-46px; } 60%{ top:46px; } 100%{ top:46px; } }

/* ============ MARQUEE ============ */
.marquee{
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background: var(--bg-soft);
  overflow:hidden; padding: 20px 0; position:relative; z-index:2;
}
.marquee-track{
  display:flex; white-space:nowrap; width:max-content;
  font-family:'Sora',sans-serif; font-size: 16px; font-weight:600; color: var(--text-dimmer);
  animation: marqueeScroll 26s linear infinite;
}
.marquee-track span{ display:inline-block; margin-right: 18px; }
.marquee-track .dot{ color: var(--blue); }
@keyframes marqueeScroll{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ============ SECTION SHARED ============ */
section{ position: relative; padding: 130px 0; }
.section-tag{
  font-size:13px; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  color: var(--blue-light); margin-bottom:16px;
}
.section-title{ font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom:20px; }
.section-desc{ font-size:17px; color:var(--text-dim); max-width:640px; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ============ ABOUT ============ */
.about-grid{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap:80px; align-items:center; }
.about-frame{
  position:relative; border-radius: 28px; border:1px solid var(--border);
  background: var(--bg-card);
  padding: 70px 40px; display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.about-frame-glow{
  position:absolute; width:280px; height:280px; border-radius:50%;
  background: radial-gradient(circle, rgba(47,143,255,0.28), transparent 70%);
  filter: blur(40px); animation: floatGlow 8s ease-in-out infinite;
}
.about-logo{ position:relative; width: 60%; filter: drop-shadow(0 10px 40px rgba(47,143,255,.3)); }
.about-text p{ margin-bottom:18px; font-size:16px; }
.about-points{ margin-top: 30px; display:flex; flex-direction:column; gap:16px; }
.about-point{ display:flex; align-items:center; gap:16px; font-family:'Sora',sans-serif; font-weight:600; font-size:15px; }
.point-icon{
  width:36px; height:36px; flex-shrink:0; display:flex; align-items:center; justify-content:center;
  border-radius:10px; border:1px solid var(--border-strong); color: var(--blue-light); font-size:12px;
  background: rgba(47,143,255,0.06);
}

/* ============ SERVICES ============ */
.services{ background: var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.services-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 60px; }
.service-card{
  position:relative; padding: 46px 40px; border-radius: 24px;
  border:1px solid var(--border); background: var(--bg-card);
  overflow:hidden; transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.service-card:hover{ border-color: var(--border-strong); }
.service-card::after, .feature-card::after{
  content:''; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background: conic-gradient(from var(--angle,0deg), transparent 0%, var(--cyan) 12%, var(--blue) 24%, transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:0; transition: opacity .5s ease; pointer-events:none;
  animation: rotateBorder 5s linear infinite;
  animation-play-state: paused;
}
.service-card:hover::after, .feature-card:hover::after{ opacity:1; animation-play-state: running; }
.service-card-glow{
  position:absolute; inset:-2px; border-radius:24px; opacity:0; z-index:0;
  background: radial-gradient(500px circle at var(--mx,50%) var(--my,50%), rgba(47,143,255,0.14), transparent 60%);
  transition: opacity .4s ease; pointer-events:none;
}
.service-card:hover .service-card-glow{ opacity:1; }
.service-number{
  font-family:'Sora',sans-serif; font-size: 14px; font-weight:700; color: var(--blue-light);
  margin-bottom: 20px; letter-spacing:.05em;
}
.service-card h3{ font-size: 24px; margin-bottom:16px; position:relative; z-index:1; }
.service-card > p{ font-size:15.5px; margin-bottom: 26px; position:relative; z-index:1; }
.service-list{ display:flex; flex-direction:column; gap:12px; position:relative; z-index:1; }
.service-list li{
  font-size:14.5px; color: var(--text-dim); padding-left: 26px; position:relative;
}
.service-list li::before{
  content:''; position:absolute; left:0; top:7px; width:12px; height:1px; background: var(--grad);
}

/* ============ APPROACH ============ */
.approach-steps{ position:relative; display:grid; grid-template-columns: repeat(4,1fr); gap: 30px; margin-top:70px; }
.approach-line-track{
  position:absolute; top:19px; left:12%; right:12%; height:1px;
  background: linear-gradient(90deg, transparent, var(--border-strong) 15%, var(--border-strong) 85%, transparent);
  z-index:0;
}
.approach-line-fill{
  position:absolute; top:19px; left:12%; right:12%; height:2px;
  background: var(--grad); border-radius:2px; z-index:0;
  box-shadow: 0 0 14px rgba(47,143,255,.7);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform .12s linear;
}
.approach-step{ position:relative; z-index:1; text-align:center; }
.approach-step-num{
  width:40px; height:40px; border-radius:50%; margin: 0 auto 26px;
  display:flex; align-items:center; justify-content:center;
  background: var(--bg); border:1px solid var(--border-strong);
  font-family:'Sora',sans-serif; font-weight:700; font-size:13px; color: var(--blue-light);
  transition: transform .4s var(--ease), border-color .4s ease, background .4s ease, box-shadow .4s ease, color .4s ease;
}
.approach-step-num.active{
  background: var(--grad); color:#04070d; border-color: transparent;
  box-shadow: 0 0 24px rgba(47,143,255,.55);
  transform: scale(1.14);
}
.approach-step h4{ font-size:18px; margin-bottom:12px; }
.approach-step p{ font-size:14.5px; }

/* ============ WHY US ============ */
.why-us{ background: var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border); overflow:hidden; }
.features-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top:60px; position:relative; z-index:1; }
.feature-card{
  position:relative; padding: 34px 28px; border-radius:20px; border:1px solid var(--border);
  background: var(--bg-card); transition: transform .35s var(--ease), border-color .35s var(--ease);
  overflow:hidden;
}
.feature-card:hover{ transform: translateY(-6px); border-color: var(--border-strong); }
.feature-icon{
  width:50px; height:50px; border-radius:14px; margin-bottom:22px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(47,143,255,0.08); color: var(--blue-light);
}
.feature-icon svg{ width:24px; height:24px; }
.feature-card h4{ font-size:17px; margin-bottom:10px; }
.feature-card p{ font-size:14.5px; }

/* ============ CTA BANNER ============ */
.cta-banner{ padding: 90px 0; }
.cta-banner-inner{
  text-align:center; border-radius: 32px; padding: 80px 40px;
  background: linear-gradient(160deg, rgba(47,143,255,0.10), rgba(123,92,255,0.06));
  border: 1px solid var(--border-strong);
  position: relative; overflow:hidden;
}
.cta-banner-inner::before{
  content:''; position:absolute; width:600px; height:600px; border-radius:50%;
  background: radial-gradient(circle, rgba(79,227,255,0.15), transparent 70%);
  top:-300px; left:50%; transform:translateX(-50%); pointer-events:none;
}
.cta-banner-inner h2{ font-size: clamp(1.8rem,3.4vw,2.5rem); margin-bottom:16px; position:relative; }
.cta-banner-inner p{ max-width:480px; margin:0 auto 34px; font-size:16px; position:relative; }
.cta-banner-inner .btn{ position:relative; }

/* ============ CONTACT ============ */
.contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; }
.contact-desc{ margin: 20px 0 40px; font-size:16px; }
.contact-items{ display:flex; flex-direction:column; gap:20px; }
.contact-item{
  display:flex; align-items:flex-start; gap:16px; padding:18px;
  border:1px solid var(--border); border-radius:16px; background: var(--bg-card);
  transition: border-color .3s ease, transform .3s ease;
}
a.contact-item:hover{ border-color: var(--border-strong); transform: translateX(4px); }
.contact-item-icon{
  width:42px; height:42px; border-radius:12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background: rgba(47,143,255,0.08); color: var(--blue-light);
}
.contact-item-icon svg{ width:20px; height:20px; }
.contact-item strong{ display:block; font-family:'Sora',sans-serif; font-size:14px; margin-bottom:4px; }
.contact-item span span{ font-size:14.5px; color: var(--text-dim); }

.contact-form{
  background: var(--bg-card); border:1px solid var(--border); border-radius: 24px; padding: 40px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-group{ margin-bottom: 22px; }
.form-group label{ display:block; font-size:13px; font-weight:600; color: var(--text-dim); margin-bottom:9px; }
.form-group input, .form-group textarea{
  width:100%; background: rgba(255,255,255,0.02); border:1px solid var(--border-strong);
  border-radius: 12px; padding: 13px 16px; color: var(--text); font-family:'Inter',sans-serif; font-size:14.5px;
  transition: border-color .25s ease, box-shadow .25s ease; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus{
  outline:none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,143,255,0.15);
}
.form-note{ margin-top:14px; font-size:12.5px; color: var(--text-dimmer); text-align:center; }

/* ============ FOOTER ============ */
.site-footer{ background: var(--bg-soft); border-top:1px solid var(--border); padding: 80px 0 0; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: 50px; padding-bottom: 60px; }
.footer-logo{ height: 34px; margin-bottom: 18px; }
.footer-brand p{ font-size:14px; max-width:230px; }
.footer-col h5{ font-size:13px; letter-spacing:.08em; text-transform:uppercase; color: var(--text-dim); margin-bottom:20px; }
.footer-col ul{ display:flex; flex-direction:column; gap:13px; }
.footer-col a, .footer-col .link-btn{
  font-size:14.5px; color: var(--text-dim); transition: color .25s ease;
  background:none; border:none; padding:0; text-align:left;
}
.footer-col a:hover, .footer-col .link-btn:hover{ color: var(--blue-light); }
.footer-legal p{ font-size: 13.5px; margin-bottom: 8px; color: var(--text-dimmer); }
.footer-bottom{
  border-top:1px solid var(--border); padding: 26px 0; margin-top:0;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
.footer-bottom p{ font-size:13px; color: var(--text-dimmer); }

/* ============ PRIVACY MODAL ============ */
.modal-overlay{
  position: fixed; inset:0; z-index: 2000;
  background: rgba(3,5,10,0.75); backdrop-filter: blur(6px);
  display:flex; align-items:center; justify-content:center; padding: 24px;
  opacity:0; visibility:hidden; transition: opacity .35s ease, visibility .35s ease;
}
.modal-overlay.open{ opacity:1; visibility:visible; }
.modal-box{
  background: var(--bg-card); border:1px solid var(--border-strong); border-radius: 24px;
  max-width: 760px; width:100%; max-height: 82vh; overflow-y:auto; padding: 50px;
  position:relative; transform: translateY(24px) scale(.98); transition: transform .35s var(--ease);
}
.modal-overlay.open .modal-box{ transform: translateY(0) scale(1); }
.modal-close{
  position:absolute; top:22px; right:22px; width:36px; height:36px; border-radius:50%;
  background: rgba(255,255,255,0.05); border:1px solid var(--border-strong); color: var(--text);
  font-size:20px; line-height:1; display:flex; align-items:center; justify-content:center;
  transition: background .25s ease, transform .25s ease;
}
.modal-close:hover{ background: rgba(255,255,255,0.1); transform: rotate(90deg); }
.modal-content h2{ font-size: 26px; margin-bottom: 6px; }
.modal-updated{ font-size:13px; color: var(--text-dimmer); margin-bottom: 30px; }
.modal-content h3{ font-size:16px; margin: 28px 0 10px; color: var(--blue-light); font-family:'Sora',sans-serif; }
.modal-content p{ font-size:14.5px; margin-bottom: 12px; }
.modal-content ul{ margin: 10px 0 16px; display:flex; flex-direction:column; gap:8px; }
.modal-content ul li{ font-size:14.5px; color: var(--text-dim); padding-left:20px; position:relative; }
.modal-content ul li::before{ content:'—'; position:absolute; left:0; color: var(--blue-light); }
.modal-content a{ color: var(--blue-light); text-decoration: underline; }

/* ============ BACK TO TOP ============ */
.back-to-top{
  position: fixed; bottom: 30px; right: 30px; z-index: 400;
  width:48px; height:48px; border-radius:50%;
  background: var(--bg-card); border:1px solid var(--border-strong); color: var(--text);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform: translateY(10px);
  transition: opacity .3s ease, visibility .3s ease, transform .3s ease, border-color .3s ease;
}
.back-to-top.show{ opacity:1; visibility:visible; transform: translateY(0); }
.back-to-top:hover{ border-color: var(--blue-light); }
.back-to-top svg{ width:20px; height:20px; }

/* ============ SCROLL REVEAL ============ */
.reveal-up{ opacity:0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-up.in-view{ opacity:1; transform: translateY(0); }
.delay-1.in-view{ transition-delay: .12s; }
.delay-2.in-view{ transition-delay: .24s; }
.delay-3.in-view{ transition-delay: .36s; }

.reveal-word{ display:inline-block; opacity:0; transform: translateY(110%) rotate(4deg); }
.hero-title.animate .reveal-word{
  animation: wordUp .9s var(--ease) forwards;
}
@keyframes wordUp{ to{ opacity:1; transform: translateY(0) rotate(0); } }

/* ---- section title curtain reveal ---- */
.section-title{ overflow: hidden; }
.curtain-text{
  display:inline-block;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1s var(--ease);
}
.section-title.in-view .curtain-text{ clip-path: inset(0 0 0 0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 50px; }
  .services-grid{ grid-template-columns: 1fr; }
  .approach-steps{ grid-template-columns: 1fr 1fr; row-gap: 50px; }
  .approach-line-track, .approach-line-fill{ display:none; }
  .features-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px){
  .btn-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .container{ padding: 0 22px; }
  section{ padding: 90px 0; }
  .hero{ padding-top: 120px; }
  .approach-steps{ grid-template-columns: 1fr; }
  .features-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 36px; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction:column; }
  .cta-banner-inner{ padding: 64px 28px; }

  /* ---- Mobile nav drawer ---- */
  .nav-links{
    display:flex; position:fixed; top:0; right:0; bottom:0; width:82%; max-width:340px;
    flex-direction:column; align-items:flex-start; z-index:550;
    padding: 120px 34px 40px; gap: 4px;
    background: linear-gradient(165deg, rgba(15,20,33,0.98), rgba(6,8,14,0.99));
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-strong);
    box-shadow: -30px 0 80px rgba(0,0,0,0.5);
    transform: translateX(100%);
    transition: transform .5s var(--ease);
    overflow:hidden;
  }
  .nav-links::before{
    content:''; position:absolute; width:280px; height:280px; border-radius:50%;
    background: radial-gradient(circle, rgba(47,143,255,0.25), transparent 70%);
    filter: blur(40px); top:-100px; right:-100px; pointer-events:none;
  }
  .nav-links.open{ transform: translateX(0); }

  .nav-links li{
    width:100%; list-style:none;
    opacity:0; transform: translateX(24px);
    transition: opacity .45s ease, transform .45s var(--ease);
  }
  .nav-links.open li{ opacity:1; transform:translateX(0); }
  .nav-links.open li:nth-child(1){ transition-delay:.10s; }
  .nav-links.open li:nth-child(2){ transition-delay:.16s; }
  .nav-links.open li:nth-child(3){ transition-delay:.22s; }
  .nav-links.open li:nth-child(4){ transition-delay:.28s; }
  .nav-links.open li:nth-child(5){ transition-delay:.34s; }
  .nav-links.open li:nth-child(6){ transition-delay:.40s; }

  .nav-links a{
    display:block; width:100%; padding: 14px 0; font-size:20px; font-weight:600;
    font-family:'Sora',sans-serif; color: var(--text);
    border-bottom: 1px solid var(--border);
  }
  .nav-links a::after{ display:none; }

  .nav-mobile-cta{ display:block; margin-top:auto; padding-top:28px; border-bottom:none !important; }
  .nav-mobile-cta a{ padding:15px 26px; border-bottom:none; text-align:center; }

  .nav-backdrop{
    display:block; position:fixed; inset:0; z-index: 480;
    background: rgba(3,5,10,0.6); backdrop-filter: blur(3px);
    opacity:0; visibility:hidden; transition: opacity .4s ease, visibility .4s ease;
  }
  .nav-backdrop.open{ opacity:1; visibility:visible; }

  body.nav-open{ overflow:hidden; }
}