/* =========================================================
   PREMIUM PORTFOLIO / CASE STUDIES PAGE — FULL CSS (DROP-IN)
   Keeps your existing class names.
   Focus: luxury feel, glass header, premium mobile menu, refined cards.
========================================================= */

/* -------------------------
   TOKENS
------------------------- */
:root{
  --navy:#0a1a3e;
  --blue:#0077ff;
  --white:#f4f7fa;
  --gray:#4b5563;
  --emerald:#00c46c;
  --light-blue: rgba(0,119,255,.10);

  /* Premium system */
  --bg0:#050607;
  --bg1:#0b0f14;

  --text: rgba(245,248,248,.92);
  --muted: rgba(245,248,248,.72);
  --dark: rgba(10,14,18,.92);

  --line: rgba(255,255,255,.12);
  --line2: rgba(10,14,18,.10);

  --shadow: 0 18px 60px rgba(0,0,0,.22);
  --shadow-lg: 0 30px 95px rgba(0,0,0,.32);

  --radius: 18px;
  --radius2: 26px;

  --max: 1200px;
  --nav-h: 88px;

  --ease: cubic-bezier(.2,.8,.2,1);

  /* Your old CSS referenced this; define it so pagination works */
  --solar-yellow: #00e6a4;
}

/* -------------------------
   RESET + GLOBAL
------------------------- */
*{ margin:0; padding:0; box-sizing:border-box; }

html, body{ height:100%; }

body{
  font-family:'Jost', sans-serif;
  background:
    radial-gradient(1000px 520px at 12% 10%, rgba(0,230,164,.10), transparent 55%),
    radial-gradient(1000px 520px at 88% 12%, rgba(0,119,255,.10), transparent 55%),
    linear-gradient(180deg, #ffffff, #f7fbff);
  color: var(--gray);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--nav-h);
}

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

a{
  color: inherit;
  text-decoration:none;
  transition: color .25s var(--ease), opacity .25s var(--ease), transform .25s var(--ease);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid rgba(0,230,164,.25);
  outline-offset: 3px;
  border-radius: 14px;
}

h1,h2,h3,h4{
  color:#00e6a4;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.3px;
}

.container{
  width:100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

section{ padding: 100px 0; }

/* -------------------------
   BUTTONS
------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;

  padding: 14px 32px;
  border-radius: 14px;
  font-weight: 500;
  letter-spacing: .25px;
  cursor:pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  will-change: transform;
}

.btn-primary{
  background: linear-gradient(135deg, #00f0ac 0%, #00e6a4 45%, #0077ff 140%);
  color: #06110d;
  border: 0;
  box-shadow: 0 18px 55px rgba(0,230,164,.22);
}

.btn-primary:hover{
  transform: translateY(-3px);
  box-shadow: 0 26px 80px rgba(0,230,164,.28);
}

.btn-secondary{
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover{
  transform: translateY(-3px);
  border-color: rgba(0,230,164,.30);
  background: rgba(0,230,164,.10);
  color: #00ffbf;
}

/* -------------------------
   SECTION HEADER
------------------------- */
.section-header{
  text-align:center;
  margin-bottom: 60px;
}

.section-header h2{
  font-size: clamp(1.9rem, 2.6vw, 2.6rem);
  margin-bottom: 18px;
  position: relative;
  display:inline-block;
}

.section-header h2:after{
  content:"";
  position:absolute;
  bottom:-12px;
  left:50%;
  transform: translateX(-50%);
  width: 86px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--emerald));
}

.section-header p{
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: rgba(10,14,18,.70);
}

/* -------------------------
   HEADER + NAV (premium glass)
------------------------- */
header{
  position: fixed;
  top:0; left:0; right:0;
  width:100%;
  z-index:1000;

  background: rgb(0, 0, 0);
  border-bottom: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.navbar{
  min-height: var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0;
}

.logo{
  display:flex;
  align-items:center;
  text-decoration:none;
  transition: transform .25s var(--ease);
}

.logo:hover{ transform: translateY(-1px); }

.logo span{ color:#00e6a4; }

.logo i{
  margin-right: 8px;
  color: var(--emerald);
}

.logo img{
  height: 64px; /* tighter than 150px to keep nav premium */
  width:auto;
  object-fit:contain;
}

/* Desktop links */
.nav-links{
  display:flex;
  list-style:none;
  align-items:center;
  gap: 26px;
}

.nav-links li{ margin-left:0; }

.nav-links a{
  color: rgba(255,255,255,.90);
  font-weight: 500;
  position:relative;
  padding: 10px 0;
  letter-spacing: .2px;
}

.nav-links a:hover{ color: rgba(255,255,255,1); }

.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0%;
  height:2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #00e6a4, #0077ff);
  transition: width .25s var(--ease);
}

.nav-links a:hover::after{ width:100%; }

.nav-links a.active{
  color: rgba(255,255,255,1);
}

.nav-links a.active:after{ width:100%; }

/* Premium burger */
.mobile-menu{
  display:none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  cursor:pointer;

  align-items:center;
  justify-content:center;

  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  box-shadow: 0 16px 45px rgba(0,0,0,.25);
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.mobile-menu:hover{
  transform: translateY(-1px);
  border-color: rgba(0,230,164,.30);
  background: rgba(0,230,164,.10);
}

.mobile-menu i{ color: rgba(255,255,255,.94); font-size: 1.2rem; }

/* -------------------------
   HERO (portfolio)
------------------------- */
.hero{
  background:
    linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.78)),
    url('https://images.unsplash.com/photo-1709240987503-6e31155c88ab?ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8NTY1fHxpbWFnZXMlMjAzRCUyMGZvciUyMGElMjB0ZWNoJTIwY29tcGFueSUyMHdlYnNpdGV8ZW58MHx8MHx8fDA%3D&auto=format&fit=crop&q=60&w=1800')
      center/cover no-repeat;
  color:white;
  padding: 180px 0 120px;
  position:relative;
  overflow:hidden;
}

.hero-content{
  max-width: 860px;
  margin: 0 auto;
  text-align:center;
  position:relative;
  z-index:2;
}

.hero h1{
  font-size: clamp(2.4rem, 4.2vw, 3.7rem);
  color:#00e6a4;
  margin-bottom: 18px;

  opacity:0;
  transform: translateY(26px);
  animation: fadeInUp .95s var(--ease) forwards .35s;

  text-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.hero p{
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  margin-bottom: 40px;
  color: rgba(255,255,255,.86);

  opacity:0;
  transform: translateY(26px);
  animation: fadeInUp .95s var(--ease) forwards .55s;
}

.hero-btns{
  display:flex;
  justify-content:center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;

  opacity:0;
  transform: translateY(26px);
  animation: fadeInUp .95s var(--ease) forwards .75s;
}

.hero-shapes{
  position:absolute;
  inset:0;
  overflow:hidden;
  z-index:1;
}

.shape{
  position:absolute;
  border-radius:50%;
  background: linear-gradient(135deg, rgba(0,119,255,.12), rgba(0,230,164,.12));
  filter: blur(1px);
}

.shape-1{
  width: 360px;
  height: 360px;
  top: -170px;
  right: -120px;
  animation: float 18s infinite ease-in-out;
}

.shape-2{
  width: 240px;
  height: 240px;
  bottom: -80px;
  left: -80px;
  animation: float 14s infinite ease-in-out reverse;
}

/* Optional particles if used */
.particles{
  position:absolute;
  inset:0;
  overflow:hidden;
  z-index:1;
}

.particle{
  position:absolute;
  background-color: rgba(255,255,255,.55);
  border-radius:50%;
  animation: floatParticle 15s infinite linear;
}

/* -------------------------
   FILTER TABS (premium)
------------------------- */
.case-filter{
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  padding: 55px 0 35px;
  border-bottom: 1px solid rgba(10,14,18,.06);
}

.filter-tabs{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.filter-tab{
  padding: 12px 22px;
  background: rgba(255,255,255,.70);
  border: 1px solid rgba(10,14,18,.10);
  border-radius: 999px;
  font-weight: 500;
  cursor:pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  box-shadow: 0 10px 30px rgba(0,0,0,.04);
}

.filter-tab:hover{
  transform: translateY(-2px);
  background: rgba(0,119,255,.08);
  border-color: rgba(0,119,255,.28);
  box-shadow: 0 16px 45px rgba(0,0,0,.06);
}

.filter-tab.active{
  background: linear-gradient(135deg, #00f0ac, #00e6a4);
  color: #06110d;
  border-color: rgba(0,230,164,.25);
  box-shadow: 0 18px 55px rgba(0,230,164,.22);
}

/* -------------------------
   CASE STUDIES GRID (premium dark section)
------------------------- */
.case-studies{
  background:
    radial-gradient(1000px 520px at 20% 10%, rgba(0,230,164,.12), transparent 55%),
    radial-gradient(1000px 520px at 85% 15%, rgba(0,119,255,.12), transparent 55%),
    linear-gradient(180deg, #050607, #000000);
}

.case-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px;
}

.case-card{
  background: rgba(0,0,0,.82);
  border-radius: var(--radius2);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s var(--ease);

  opacity:0;
  transform: translateY(26px);
}

.case-card.visible{
  opacity:1;
  transform: translateY(0);
}

.case-card:hover{
  transform: translateY(-10px);
  box-shadow: 0 32px 95px rgba(0,0,0,.55);
  border-color: rgba(0,230,164,.22);
}

.case-img{
  height: 210px;
  background: rgba(0,119,255,.10);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}

.case-img img{
  width:100%;
  height:100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform .35s var(--ease);
}

.case-card:hover .case-img img{ transform: scale(1.08); }

.case-tag{
  position:absolute;
  top: 14px;
  right: 14px;
  padding: 6px 12px;
  background: linear-gradient(135deg, #00f0ac, #00e6a4);
  color: #06110d;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 500;
  box-shadow: 0 16px 45px rgba(0,230,164,.20);
}

.case-content{
  padding: 24px 24px 26px;
}

.case-content h3{
  margin-bottom: 10px;
  font-size: 1.35rem;
  color: #00e6a4;
}

.case-content p{
  margin-bottom: 18px;
  color: rgba(255,255,255,.82);
}

.case-stats{
  display:flex;
  justify-content:space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.10);
}

.stat{ text-align:center; }

.stat-value{
  font-size: 1.45rem;
  font-weight: 500;
  color:#00e6a4;
}

.stat-label{
  font-size: .82rem;
  color: rgba(255,255,255,.62);
}

/* -------------------------
   FEATURED CASE
------------------------- */
.featured-case{
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.featured-case p{ color: rgba(10,14,18,.78); }

.featured-content{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items:center;
}

.featured-image{
  border-radius: var(--radius2);
  overflow:hidden;
  box-shadow: 0 22px 70px rgba(0,0,0,.10);
  border: 1px solid rgba(10,14,18,.06);
}

.featured-image img{
  width:100%;
  height:auto;
}

.featured-details h3{
  font-size: 1.85rem;
  margin-bottom: 18px;
  color: #00e6a4;
}

.featured-stats{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 26px 0 0;
}

.featured-stat{
  text-align:center;
  padding: 18px;
  background:
    radial-gradient(520px 260px at 20% 0%, rgba(0,230,164,.12), transparent 60%),
    rgba(0,0,0,.92);
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 18px 55px rgba(0,0,0,.25);
}

.featured-stat .value{
  font-size: 2rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 6px;
}

.featured-stat .label{
  font-size: .92rem;
  color: rgba(255,255,255,.82);
}

/* -------------------------
   TESTIMONIALS
------------------------- */
.testimonials{
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(0,230,164,.12), transparent 55%),
    linear-gradient(180deg, #050607, #000000);
}

.testimonials h2{ color:#00e6a4; }
.testimonials p{ color: rgba(255,255,255,.82); }

.testimonial-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.testimonial-card{
  background: rgba(255,255,255,.95);
  border-radius: var(--radius2);
  padding: 30px;
  box-shadow: 0 20px 70px rgba(0,0,0,.10);
  border: 1px solid rgba(10,14,18,.06);
  position:relative;
}

.testimonial-card:before{
  content:'"';
  position:absolute;
  top: 16px;
  left: 18px;
  font-size: 4rem;
  color: rgba(0,119,255,.14);
  font-family:'Jost', sans-serif;
  line-height: 1;
}

.testimonial-text{
  font-style: italic;
  margin-bottom: 18px;
  position:relative;
  z-index:2;
  color: rgba(10,14,18,.78);
}

.testimonial-author{
  display:flex;
  align-items:center;
}

.author-avatar{
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: rgba(0,119,255,.10);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-right: 14px;
  color: var(--blue);
  font-size: 1.15rem;
}

.author-info h4{
  margin-bottom: 4px;
  font-size: 1.08rem;
  color: rgba(10,14,18,.92);
}

.author-info p{
  font-size: .9rem;
  color: rgba(75,85,99,.90);
}

/* -------------------------
   CTA
------------------------- */
.cta{
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(0,230,164,.14), transparent 55%),
    linear-gradient(135deg, var(--navy) 0%, #1a2d5e 100%);
  color:white;
  text-align:center;
}

.cta h2{
  color:#00e6a4;
  margin-bottom: 18px;
}

.cta p{
  max-width: 720px;
  margin: 0 auto 30px;
  font-size: 1.1rem;
  opacity: .92;
  color: rgba(255,255,255,.86);
}

/* -------------------------
   FOOTER
------------------------- */
footer{
  background: linear-gradient(180deg, #050607, #000000);
  color:white;
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.footer-content{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h3{
  color: var(--emerald);
  margin-bottom: 22px;
  font-size: 1.25rem;
  position:relative;
}

.footer-col h3:after{
  content:"";
  position:absolute;
  bottom:-10px;
  left:0;
  width: 42px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #00e6a4, #0077ff);
}

.footer-col p{
  margin-bottom: 18px;
  opacity: .84;
}

.footer-links{ list-style:none; }

.footer-links li{ margin-bottom: 12px; }

.footer-links a{
  color: rgba(255,255,255,.86);
  opacity: .85;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.footer-links a:hover{
  opacity: 1;
  transform: translateX(2px);
}

.social-links{
  display:flex;
  gap: 12px;
  margin-top: 18px;
}

.social-link{
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display:flex;
  align-items:center;
  justify-content:center;

  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}

.social-link:hover{
  transform: translateY(-2px);
  background: rgba(0,119,255,.18);
  border-color: rgba(0,119,255,.35);
}

.footer-bottom{
  text-align:center;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.10);
  opacity: .72;
  font-size: .92rem;
}

/* -------------------------
   MODAL (premium)
------------------------- */
.modal{
  display:none;
  position:fixed;
  inset:0;
  background-color: rgba(0,0,0,.82);
  z-index:1001;
  overflow-y:auto;
  padding: 20px;
}

.modal-content{
  background-color: #ffffff;
  max-width: 900px;
  margin: 50px auto;
  border-radius: var(--radius2);
  overflow:hidden;
  position:relative;
  animation: modalFadeIn .32s var(--ease);
  box-shadow: 0 30px 120px rgba(0,0,0,.35);
}

@keyframes modalFadeIn{
  from{ opacity:0; transform: translateY(-40px); }
  to{ opacity:1; transform: translateY(0); }
}

.modal-close{
  position:absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(10,14,18,.06);
  border: 1px solid rgba(10,14,18,.10);
  font-size: 1.2rem;
  cursor:pointer;
  color: rgba(10,14,18,.70);
  z-index:2;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.modal-close:hover{
  transform: translateY(-1px);
  background: rgba(0,230,164,.10);
  border-color: rgba(0,230,164,.18);
}

.modal-body{ padding: 30px; }

.modal-header{ margin-bottom: 26px; }

.modal-header h2{ margin-bottom: 10px; color: rgba(10,14,18,.92); }

.modal-tag{
  display:inline-block;
  padding: 6px 12px;
  background-color: rgba(0,119,255,.10);
  color: var(--blue);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 500;
}

.modal-stats{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 26px 0;
}

.modal-stat{
  text-align:center;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  border-radius: var(--radius2);
  border: 1px solid rgba(10,14,18,.08);
  box-shadow: 0 16px 45px rgba(0,0,0,.06);
}

.modal-stat .value{
  font-size: 2rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 6px;
}

.modal-stat .label{
  font-size: .92rem;
  color: rgba(75,85,99,.90);
}

/* -------------------------
   APPLICATIONS / SWIPER
------------------------- */
.applications-section{
  padding: 5rem 0;
  background: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
  color:#fff;
}

.applications-section .section-title{
  font-size: clamp(1.9rem, 2.6vw, 2.6rem);
  font-weight: 500;
  margin-bottom: .5rem;
  color:#00e6a4;
  text-align:center;
}

.applications-section .section-subtitle{
  font-size: 1.1rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 3rem;
  text-align:center;
}

.mySwiper{ padding-bottom: 3rem; }

.swiper-wrapper{ align-items:center; }

.swiper-slide{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;

  background: rgba(0,0,0,.86);
  border-radius: var(--radius2);
  padding: 1.6rem 1.2rem;

  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 18px 55px rgba(0,0,0,.60);

  width: 220px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}

.swiper-slide:hover{
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 26px 90px rgba(0,0,0,.75);
  border-color: rgba(0,230,164,.22);
}

.swiper-slide img{
  width:auto;
  max-width: 200%;
  height: 150px;
  object-fit: contain;
  margin-bottom: .6rem;
  transition: transform .3s var(--ease);
}

.swiper-slide:hover img{ transform: scale(1.05); }

.application-content{ display:none; }

.swiper-pagination{ bottom: 0; margin-top: 2rem; }

.swiper-pagination-bullet{
  background: var(--solar-yellow) !important;
  opacity: .55;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.swiper-pagination-bullet-active{
  opacity: 1;
  transform: scale(1.3);
}

/* -------------------------
   ANIMATIONS
------------------------- */
@keyframes fadeInUp{
  from{ opacity:0; transform: translateY(30px); }
  to{ opacity:1; transform: translateY(0); }
}

@keyframes float{
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-20px) rotate(5deg); }
}

@keyframes floatParticle{
  0%{ transform: translateY(100vh) rotate(0deg); opacity:0; }
  10%{ opacity:1; }
  90%{ opacity:1; }
  100%{ transform: translateY(-100px) rotate(360deg); opacity:0; }
}

/* -------------------------
   RESPONSIVE (premium mobile menu)
------------------------- */
@media (max-width: 992px){
  :root{ --nav-h: 80px; }
  body{ padding-top: var(--nav-h); }

  .footer-content{ grid-template-columns: 1fr 1fr; }

  .featured-content{
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px){
  .mobile-menu{ display:flex; }

  /* Premium dropdown panel */
  .nav-links{
    display:flex;
    flex-direction:column;
    gap: 8px;

    position:absolute;
    top: calc(var(--nav-h) + 10px);
    left: 14px;
    right: 14px;

    padding: 14px;
    border-radius: 22px;

    background:
      radial-gradient(520px 260px at 20% 0%, rgba(0,230,164,.18), transparent 60%),
      radial-gradient(520px 260px at 90% 10%, rgba(0,119,255,.18), transparent 60%),
      rgba(0,0,0,.86);

    border: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 28px 90px rgba(0,0,0,.45);

    opacity:0;
    transform: translateY(-12px);
    pointer-events:none;
    transition: opacity .22s var(--ease), transform .22s var(--ease);
  }

  .nav-links.active{
    opacity:1;
    transform: translateY(0);
    pointer-events:auto;
  }

  .nav-links li{ margin:0; }

  .nav-links a{
    width:100%;
    padding: 13px 14px;
    border-radius: 16px;
    color: rgba(255,255,255,.94);
    font-weight: 500;

    display:flex;
    align-items:center;
    justify-content:space-between;

    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
  }

  .nav-links a:hover{
    background: rgba(255,255,255,.08);
    border-color: rgba(0,230,164,.22);
    transform: translateX(2px);
  }

  .nav-links a::after{ display:none; }

  .hero-btns{
    flex-direction: column;
    align-items:center;
  }

  .hero-btns .btn{
    width: 100%;
    max-width: 280px;
  }

  .footer-content{ grid-template-columns: 1fr; }

  .filter-tabs{
    flex-direction: column;
    align-items:center;
  }

  .filter-tab{
    width:100%;
    max-width: 280px;
    text-align:center;
  }

  .case-grid{ grid-template-columns: 1fr; }

  .featured-stats{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .container{ padding: 0 14px; }
  section{ padding: 80px 0; }

  .swiper-slide{ width: 200px; padding: 1rem; }
}

/* Smooth motion preference */
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior:auto !important; }
}