/* ==============================
   NOVANIMPEX — SHARED STYLES
   Blue-only palette, premium B2B
   ============================== */

/* ===== CUSTOM PROPERTIES ===== */
:root {
  --navy-950: #020817;
  --navy-900: #0a1628;
  --navy-800: #0f2040;
  --navy-700: #1e3a6e;
  --navy-600: #1e40af;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-300: #93c5fd;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --white: #ffffff;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;

  --ff-base: 'Inter', system-ui, sans-serif;
  --ff-head: 'Montserrat', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --tr: .3s cubic-bezier(.4,0,.2,1);
  --tr-slow: .6s cubic-bezier(.4,0,.2,1);
  --shadow-blue: 0 8px 32px rgba(37,99,235,.25);
  --shadow-lg: 0 20px 60px rgba(2,8,23,.4);
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--ff-base);
  background:var(--white);
  color:var(--navy-900);
  line-height:1.65;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:var(--ff-base)}

/* ===== CONTAINER ===== */
.container{max-width:1200px;margin:0 auto;padding:0 28px}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff-base);font-size:15px;font-weight:600;
  border-radius:10px;border:2px solid transparent;
  transition:var(--tr);white-space:nowrap;padding:12px 26px;
  position:relative;overflow:hidden;
}
.btn::before{
  content:'';position:absolute;inset:0;
  background:rgba(255,255,255,.15);
  transform:translateX(-100%);transition:transform .4s ease;
}
.btn:hover::before{transform:translateX(0)}
.btn--primary{
  background:linear-gradient(135deg,var(--blue-700),var(--blue-500));
  color:#fff;border-color:var(--blue-700);
}
.btn--primary:hover{transform:translateY(-3px);box-shadow:var(--shadow-blue);border-color:var(--blue-500)}
.btn--outline{background:transparent;color:var(--navy-900);border-color:var(--navy-700)}
.btn--outline:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn--outline-white{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3);backdrop-filter:blur(8px)}
.btn--outline-white:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6)}
.btn--ghost{background:rgba(37,99,235,.1);color:var(--blue-600);border-color:rgba(37,99,235,.2)}
.btn--ghost:hover{background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn--lg{padding:16px 36px;font-size:17px;border-radius:12px}
.btn--sm{padding:8px 18px;font-size:13px;border-radius:8px}
.btn--full{width:100%}

/* ===== HEADER ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:500;
  padding:20px 0;
  transition:var(--tr-slow);
}
.header--scrolled{
  background:rgba(10,22,40,.9);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(59,130,246,.15);
  padding:14px 0;
  box-shadow:0 4px 30px rgba(2,8,23,.5);
}
.header__inner{display:flex;align-items:center;gap:0}
.logo{display:flex;align-items:center;gap:12px;color:#fff;font-size:20px;font-weight:700;flex-shrink:0}
.logo__mark{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-400));
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;color:#fff;font-weight:900;
  box-shadow:0 4px 12px rgba(37,99,235,.4);
  transition:var(--tr);
}
.logo:hover .logo__mark{transform:rotate(10deg);box-shadow:0 6px 20px rgba(37,99,235,.6)}
.logo__text{font-family:var(--ff-head);letter-spacing:-.01em}
.logo__text em{font-style:normal;color:var(--blue-400)}
.nav{display:flex;align-items:center;gap:2px;margin:0 auto;padding:0 40px}
.nav__link{
  color:rgba(255,255,255,.7);font-size:14px;font-weight:500;
  padding:9px 16px;border-radius:8px;transition:var(--tr);
  position:relative;
}
.nav__link:hover,.nav__link.active{color:#fff;background:rgba(255,255,255,.08)}
.nav__link.active::after{
  content:'';position:absolute;bottom:4px;left:50%;
  transform:translateX(-50%);
  width:16px;height:2px;background:var(--blue-400);border-radius:2px;
}
.header .btn--outline-white{margin-left:0}

/* Burger */
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:4px;margin-left:auto}
.burger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:var(--tr)}
.burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{
  display:none;flex-direction:column;
  position:absolute;top:100%;left:0;right:0;
  background:rgba(10,22,40,.97);backdrop-filter:blur(20px);
  padding:20px 28px 28px;gap:4px;
  border-bottom:1px solid rgba(59,130,246,.15);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav__link{color:rgba(255,255,255,.8);padding:14px 16px}

/* ===== FOOTER ===== */
.footer{background:var(--navy-950);padding-top:80px}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;padding-bottom:64px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.footer__brand{}
.footer__tagline{color:rgba(255,255,255,.4);font-size:14px;margin-top:14px;line-height:1.7;max-width:240px}
.footer__col-title{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-400);margin-bottom:18px}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__link{color:rgba(255,255,255,.5);font-size:14px;transition:var(--tr)}
.footer__link:hover{color:#fff;transform:translateX(3px)}
.footer__contact-item{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.footer__contact-label{font-size:11px;color:rgba(255,255,255,.3);text-transform:uppercase;letter-spacing:.06em}
.footer__contact-val{color:rgba(255,255,255,.65);font-size:14px;transition:var(--tr)}
a.footer__contact-val:hover{color:#fff}
.footer__bottom{padding:24px 0}
.footer__bottom-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.25);font-size:13px}

/* ===== SECTION COMMON ===== */
.section{padding:100px 0}
.section--dark{background:var(--navy-900)}
.section--navy{background:var(--navy-950)}
.section--light{background:var(--blue-50)}
.section--white{background:#fff}
.section__tag{
  display:inline-block;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--blue-600);background:rgba(37,99,235,.09);
  padding:5px 14px;border-radius:100px;margin-bottom:16px;
  border:1px solid rgba(37,99,235,.15);
}
.section__title{
  font-family:var(--ff-head);
  font-size:clamp(28px,3.5vw,44px);
  font-weight:900;color:var(--navy-900);
  line-height:1.15;margin-bottom:18px;letter-spacing:-.02em;
}
.section__title--white{color:#fff}
.section__desc{font-size:17px;color:var(--slate-500);max-width:580px;line-height:1.75}
.section__desc--white{color:rgba(255,255,255,.65)}
.section__header{text-align:center;margin-bottom:64px}
.section__header .section__desc{margin:0 auto}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero{
  position:relative;padding:160px 0 80px;
  background:linear-gradient(160deg,var(--navy-950) 0%,var(--navy-800) 60%,var(--navy-700) 100%);
  overflow:hidden;
}
.page-hero__orb{
  position:absolute;border-radius:50%;filter:blur(80px);opacity:.25;pointer-events:none;z-index:0;
}
.page-hero__orb--1{width:500px;height:500px;background:var(--blue-600);top:-100px;right:-100px}
.page-hero__orb--2{width:300px;height:300px;background:var(--navy-600);bottom:-60px;left:10%}
.page-hero .container{position:relative;z-index:1}
.page-hero__tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-400);border:1px solid rgba(96,165,250,.3);background:rgba(96,165,250,.08);padding:6px 16px;border-radius:100px;margin-bottom:20px}
.page-hero__title{font-family:var(--ff-head);font-size:clamp(32px,5vw,56px);font-weight:900;color:#fff;line-height:1.1;letter-spacing:-.03em;margin-bottom:16px}
.page-hero__desc{font-size:18px;color:rgba(255,255,255,.6);max-width:560px}

/* ===== SCROLL REVEAL ===== */
[data-reveal]{
  opacity:0;transform:translateY(32px);
  transition:opacity .7s ease,transform .7s ease;
}
[data-reveal="left"]{transform:translateX(-32px)}
[data-reveal="right"]{transform:translateX(32px)}
[data-reveal="scale"]{transform:scale(.95);opacity:0}
[data-reveal].revealed{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.1s}
[data-reveal][data-delay="2"]{transition-delay:.2s}
[data-reveal][data-delay="3"]{transition-delay:.3s}
[data-reveal][data-delay="4"]{transition-delay:.4s}
[data-reveal][data-delay="5"]{transition-delay:.5s}
[data-reveal][data-delay="6"]{transition-delay:.6s}

/* ===== PAGE TRANSITION ===== */
.page-transition{
  position:fixed;inset:0;z-index:9000;
  background:var(--navy-950);
  opacity:0;
  pointer-events:none;
  transition:opacity .55s ease-in-out;
  will-change:opacity;
}
.page-transition.enter{opacity:1;pointer-events:all}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:768px){
  .section{padding:72px 0}
  .nav,.header .btn--outline-white{display:none}
  .burger{display:flex}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom-inner{flex-direction:column;text-align:center}
  /* Fix page-hero gradient on mobile */
  .page-hero{padding:120px 0 60px}
  .page-hero__orb{display:none}
  .page-hero .container{position:relative;z-index:2}
  .page-hero__tag,.page-hero__title,.page-hero__desc{position:relative;z-index:2}
}
@media(max-width:480px){
  .container{padding:0 18px}
  .page-hero__title{font-size:28px}
}