/* =========================================================
   ECOVANCE DEF — Single Page Website
   ========================================================= */

:root{
  --navy: #061230;
  --navy-2: #0b1f4d;
  --navy-3: #102a63;
  --green: #3fae2a;
  --green-2: #63c93f;
  --green-dark: #1f6e1a;
  --blue: #0d47a1;
  --ink: #1b2333;
  --muted: #647089;
  --light: #f4f7fb;
  --radius: 18px;
  --shadow-soft: 0 20px 45px -20px rgba(6, 18, 48, .35);
  --shadow-card: 0 10px 30px -12px rgba(6, 18, 48, .18);
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family:'Inter', sans-serif;
  color:var(--ink);
  background:#fff;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,h6{ font-family:'Poppins', sans-serif; font-weight:700; }

a{ text-decoration:none; }

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

::selection{ background:var(--green); color:#fff; }

/* Scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--light); }
::-webkit-scrollbar-thumb{ background:var(--green); border-radius:10px; }

/* =========== Preloader =========== */
#preloader{
  position:fixed; top:0; left:0; right:0; bottom:0; z-index:99999;
  width:100%; height:100vh; height:100dvh;
  background:var(--navy);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  transition:opacity .6s ease, visibility .6s ease;
}
#preloader.loaded{ opacity:0; visibility:hidden; }
.loader-box{ width:100%; padding:0 20px; text-align:center; }
.loader-logo{ width:150px; max-width:100%; margin:0 auto 22px; filter:drop-shadow(0 0 18px rgba(63,174,42,.5)); animation:pulseLogo 1.6s ease-in-out infinite; }
.loader-bar{ width:180px; max-width:100%; height:4px; background:rgba(255,255,255,.15); border-radius:10px; overflow:hidden; margin:0 auto; }
.loader-bar span{ display:block; height:100%; width:40%; background:linear-gradient(90deg,var(--green),var(--green-2)); border-radius:10px; animation:loaderMove 1.1s ease-in-out infinite; }
@keyframes loaderMove{ 0%{ transform:translateX(-100%);} 50%{transform:translateX(120%);} 100%{transform:translateX(300%);} }
@keyframes pulseLogo{ 0%,100%{ transform:scale(1);} 50%{ transform:scale(1.06);} }

/* =========== Topbar =========== */
.topbar{
  background:var(--navy);
  color:rgba(255,255,255,.75);
  font-size:.82rem;
  padding:8px 0;
  position:relative;
  z-index:1050;
}
.topbar-item i{ color:var(--green-2); margin-right:6px; }
.topbar .container{ flex-wrap:wrap; row-gap:4px; }

/* =========== Navbar =========== */
#mainNav{
  top:0; margin-top:34px;
  padding:16px 0;
  transition:transform .45s cubic-bezier(.4,0,.2,1),
             background .4s cubic-bezier(.4,0,.2,1),
             padding .4s cubic-bezier(.4,0,.2,1),
             margin .4s cubic-bezier(.4,0,.2,1),
             box-shadow .4s cubic-bezier(.4,0,.2,1);
  background:transparent;
  will-change:transform;
  z-index:1040;
}
#mainNav.scrolled{
  margin-top:0;
  padding:10px 0;
  background:rgba(6,18,48,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 10px 30px -15px rgba(0,0,0,.5);
}
#mainNav.nav-hidden{ transform:translateY(-100%); }
#brandLogo{ height:38px; transition:height .35s cubic-bezier(.4,0,.2,1); }
#mainNav.scrolled #brandLogo{ height:32px; }

#navMenu{ max-height:calc(100vh - 90px); overflow-y:auto; }

#navList .nav-link{
  color:rgba(255,255,255,.85);
  font-weight:600;
  font-size:.95rem;
  padding:8px 14px !important;
  position:relative;
  transition:color .25s ease;
}
#navList .nav-link::after{
  content:"";
  position:absolute; left:14px; right:14px; bottom:2px; height:2px;
  background:var(--green-2);
  transform:scaleX(0); transform-origin:left;
  transition:transform .3s ease;
}
#navList .nav-link:hover, #navList .nav-link.active{ color:#fff; }
#navList .nav-link:hover::after, #navList .nav-link.active::after{ transform:scaleX(1); }

.btn-brand-green{
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:#fff !important;
  border:none;
  font-weight:600;
  box-shadow:0 10px 25px -8px rgba(63,174,42,.6);
  transition:transform .25s ease, box-shadow .25s ease;
}
.btn-brand-green:hover{ transform:translateY(-3px); box-shadow:0 16px 30px -8px rgba(63,174,42,.75); color:#fff; }

.btn-outline-light{ font-weight:600; border-width:2px; }
.btn-outline-light:hover{ transform:translateY(-3px); }

/* =========== Hero (image slider + caption bar) =========== */
.hero-banner{
  position:relative;
  color:#fff;
  background:var(--navy);
}

.hero-slider-wrap{
  position:relative;
  width:100%;
  overflow:hidden;
  background:var(--navy);
}

#heroCarousel,
#heroCarousel .carousel-inner,
#heroCarousel .carousel-item{
  height:56.28vw; /* matches slider.png's native 1672x941 ratio */
  max-height:88vh;
  min-height:260px;
}

.hero-slide-img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 42%;
  display:block;
  animation:heroZoom 16s ease-in-out infinite alternate;
}
@keyframes heroZoom{ from{ transform:scale(1);} to{ transform:scale(1.06);} }

/* =========== Marquee =========== */
.marquee-strip{
  background:linear-gradient(90deg,var(--green-dark),var(--green));
  color:#fff;
  overflow:hidden;
  white-space:nowrap;
  padding:12px 0;
  position:relative;
  z-index:5;
}
.marquee-track{
  display:inline-flex;
  gap:3rem;
  animation:marquee 26s linear infinite;
  font-weight:700;
  font-size:.85rem;
  letter-spacing:.06em;
}
.marquee-track span{ display:inline-flex; align-items:center; gap:10px; }
.marquee-track i{ opacity:.85; }
@keyframes marquee{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* =========== Section generic =========== */
.section-py{ padding:100px 0; }
@media(max-width:768px){ .section-py{ padding:70px 0; } }

.section-title{ font-size:clamp(1.7rem, 3.2vw, 2.6rem); margin-bottom:16px; color:var(--ink); }
.section-lead{ color:var(--muted); font-size:1.05rem; }

.bg-navy-soft{ background:radial-gradient(120% 120% at 20% 0%, var(--navy-3), var(--navy) 60%); position:relative; }
.bg-light-soft{ background:var(--light); }

/* =========== About =========== */
.about-media{
  position:relative;
  background:linear-gradient(160deg,#eef4ff,#f7fff2);
  border-radius:var(--radius);
  padding:22px;
}
.about-media img{ width:100%; height:auto; border-radius:12px; }

@media(min-width:992px){
  #about .row{ align-items:flex-start; }
  #about .about-media{
    position:sticky;
    top:60px;
  }
}
.about-badge{
  position:absolute; left:-10px; bottom:-24px;
  background:#fff;
  border-radius:16px;
  box-shadow:var(--shadow-card);
  padding:16px 20px;
  display:flex; align-items:center; gap:12px;
  max-width:260px;
}
.about-badge i{ font-size:1.8rem; color:var(--green); }
.about-badge strong{ display:block; font-size:.92rem; }
.about-badge span{ font-size:.78rem; color:var(--muted); }

.vm-card{
  background:#fff;
  border:1px solid #ecf0f6;
  border-radius:16px;
  padding:26px 22px;
  height:100%;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease, box-shadow .3s ease;
}
.vm-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-soft); }
.vm-icon{
  width:48px; height:48px; border-radius:12px;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; margin-bottom:14px;
}
.vm-card h5{ font-size:1.05rem; margin-bottom:10px; }
.vm-card p{ color:var(--muted); font-size:.9rem; margin:0; }
.mission-list{ list-style:none; padding:0; margin:0; color:var(--muted); font-size:.9rem; }
.mission-list li{ position:relative; padding-left:20px; margin-bottom:8px; }
.mission-list li::before{ content:"\2713"; position:absolute; left:0; color:var(--green); font-weight:700; }

/* =========== Why choose =========== */
.why-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:34px 26px;
  height:100%;
  text-align:center;
  color:#fff;
  transition:transform .35s ease, background .35s ease, border-color .35s ease;
}
.why-card:hover{
  transform:translateY(-10px);
  background:rgba(63,174,42,.1);
  border-color:rgba(99,201,63,.45);
}
.why-icon{
  width:70px; height:70px; margin:0 auto 20px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  display:flex; align-items:center; justify-content:center;
  font-size:1.7rem; color:#fff;
  box-shadow:0 12px 24px -8px rgba(63,174,42,.6);
}
.why-card h5{ font-size:1.08rem; margin-bottom:10px; }
.why-card p{ color:rgba(255,255,255,.65); font-size:.9rem; margin:0; }

/* =========== Products =========== */
.product-card{
  background:#fff;
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  height:100%;
  transition:transform .35s ease, box-shadow .35s ease;
  border:1px solid #f0f2f7;
}
.product-card:hover{ transform:translateY(-10px); box-shadow:var(--shadow-soft); }
.product-img{
  background:linear-gradient(160deg,#eef4ff,#f7fff2);
  padding:30px;
  display:flex; align-items:center; justify-content:center;
  height:260px;
  overflow:hidden;
}
.product-img img{
  max-height:100%; width:auto; margin:auto;
  transition:transform .5s ease;
}
.product-card:hover .product-img img{ transform:scale(1.08) rotate(-1deg); }
.product-body{ padding:24px 26px 30px; }
.product-tag{
  display:inline-block; background:rgba(63,174,42,.12); color:var(--green-dark);
  font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  padding:5px 12px; border-radius:50px; margin-bottom:10px;
}
.product-body h5{ margin-bottom:8px; }
.product-body p{ color:var(--muted); font-size:.92rem; margin:0; }

/* =========== Industries =========== */
.industry-card{
  background:#fff;
  border-radius:16px;
  padding:26px 22px;
  height:100%;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease, box-shadow .3s ease;
  border-left:4px solid var(--green);
}
.industry-card:hover{ transform:translateY(-6px) translateX(2px); box-shadow:var(--shadow-soft); }
.industry-card i{ font-size:1.8rem; color:var(--green); margin-bottom:12px; display:block; }
.industry-card h6{ font-size:1rem; margin-bottom:6px; }
.industry-card p{ color:var(--muted); font-size:.86rem; margin:0; }

/* =========== Partner =========== */
.partner-section{
  background:linear-gradient(160deg,var(--navy) 0%, var(--navy-3) 100%);
  position:relative;
}
.partner-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:30px 24px;
  height:100%;
  color:#fff;
  position:relative;
  overflow:hidden;
  transition:transform .3s ease, background .3s ease;
}
.partner-card:hover{ transform:translateY(-8px); background:rgba(99,201,63,.12); }
.partner-num{
  position:absolute; top:-6px; right:14px;
  font-size:3.2rem; font-weight:800;
  color:rgba(255,255,255,.06);
}
.partner-card i{ font-size:1.7rem; color:var(--green-2); margin-bottom:14px; display:block; }
.partner-card h6{ margin-bottom:8px; }
.partner-card p{ color:rgba(255,255,255,.65); font-size:.87rem; margin:0; }

/* =========== Quality / report =========== */
.report-scroll-hint{
  display:flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:600; color:var(--muted);
  margin-bottom:10px;
}
.report-scroll-hint i{ color:var(--green); }
.report-card{
  background:#fff;
  border-radius:20px;
  box-shadow:var(--shadow-card);
  padding:6px;
  border:1px solid #eef1f7;
  -webkit-overflow-scrolling:touch;
}
.report-table{ font-size:.88rem; margin:0; }
.report-table thead th{
  background:var(--navy);
  color:#fff;
  font-weight:600;
  font-size:.76rem;
  text-transform:uppercase;
  letter-spacing:.05em;
  border:none;
  padding:14px 16px;
}
.report-table thead th:first-child{ border-top-left-radius:14px; }
.report-table thead th:last-child{ border-top-right-radius:14px; }
.report-table tbody td{ padding:12px 16px; color:var(--ink); border-color:#f0f2f7; }
.badge-pass{
  background:rgba(63,174,42,.12); color:var(--green-dark);
  font-weight:700; padding:4px 12px; border-radius:50px; font-size:.8rem;
}

.cert-card{
  background:linear-gradient(160deg,var(--navy),var(--navy-3));
  color:#fff;
  border-radius:20px;
  padding:34px 28px;
  box-shadow:var(--shadow-soft);
  display:flex; flex-direction:column;
}
.cert-badge{
  width:64px; height:64px; border-radius:50%;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  display:flex; align-items:center; justify-content:center;
  font-size:1.8rem; margin-bottom:18px;
  box-shadow:0 12px 24px -8px rgba(63,174,42,.6);
}
.cert-card h4{ font-size:1.25rem; margin-bottom:12px; }
.cert-card p{ color:rgba(255,255,255,.7); font-size:.9rem; }
.cert-list{ list-style:none; padding:0; margin:18px 0 0; }
.cert-list li{ display:flex; align-items:center; gap:10px; font-size:.88rem; margin-bottom:10px; color:rgba(255,255,255,.9); }
.cert-list i{ color:var(--green-2); }

/* =========== CTA banner =========== */
.cta-banner{
  background:linear-gradient(120deg,var(--green-dark),var(--green) 60%, var(--green-2));
  color:#fff;
  padding:80px 0;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1.5px, transparent 1.5px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.cta-glow{
  position:absolute; border-radius:50%;
  background:rgba(255,255,255,.16);
  filter:blur(50px);
  pointer-events:none;
}
.cta-glow-1{ width:260px; height:260px; top:-90px; left:-60px; }
.cta-glow-2{ width:320px; height:320px; bottom:-140px; right:-80px; background:rgba(6,18,48,.18); }
.cta-icon{
  width:64px; height:64px; margin:0 auto 20px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.35);
  display:flex; align-items:center; justify-content:center;
  font-size:1.7rem; color:#fff;
  box-shadow:0 12px 26px -10px rgba(6,18,48,.4);
  animation:pulseLogo 2.4s ease-in-out infinite;
}
.cta-banner h2{ font-size:clamp(1.6rem,3vw,2.4rem); margin-bottom:10px; }
.cta-banner p{ color:rgba(255,255,255,.85); margin-bottom:30px; }
.cta-banner .btn-light{ font-weight:700; color:var(--green-dark); box-shadow:0 14px 30px -12px rgba(6,18,48,.45); }
.cta-banner .btn-light:hover{ transform:translateY(-3px); box-shadow:0 18px 34px -12px rgba(6,18,48,.55); }
.cta-banner .btn-outline-light{ border-width:2px; border-color:rgba(255,255,255,.7); }
.cta-banner .btn-outline-light:hover{ background:rgba(255,255,255,.15); border-color:#fff; }

/* =========== Footer =========== */
.footer{
  background:var(--navy);
  color:rgba(255,255,255,.8);
  padding:80px 0 0;
}
.footer-logo{ height:42px; }
.footer-heading{ color:#fff; font-size:.95rem; margin-bottom:18px; text-transform:uppercase; letter-spacing:.08em; }
.footer-links{ list-style:none; padding:0; margin:0; }
.footer-links li{ margin-bottom:12px; }
.footer-links a{ color:rgba(255,255,255,.65); font-size:.92rem; transition:color .2s ease, padding-left .2s ease; }
.footer-links a:hover{ color:var(--green-2); padding-left:4px; }
.footer-contact{ list-style:none; padding:0; margin:0; font-size:.88rem; }
.footer-contact li{ display:flex; gap:10px; margin-bottom:14px; color:rgba(255,255,255,.65); align-items:flex-start; }
.footer-contact i{ color:var(--green-2); margin-top:3px; }
.footer-contact a{ color:rgba(255,255,255,.65); }
.footer-contact a:hover{ color:var(--green-2); }
.footer-divider{ border-color:rgba(255,255,255,.1); margin-top:50px; }
.social-btn{
  width:38px; height:38px; border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center;
  color:#fff; transition:all .25s ease;
}
.social-btn:hover{ background:var(--green); transform:translateY(-4px); }

/* =========== Back to top =========== */
#backToTop{
  position:fixed; right:24px; bottom:24px; z-index:998;
  width:46px; height:46px; border-radius:50%;
  background:var(--navy); color:#fff; border:none;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
  box-shadow:var(--shadow-soft);
  opacity:0; visibility:hidden; transform:translateY(15px);
  transition:all .35s ease;
}
#backToTop.show{ opacity:1; visibility:visible; transform:translateY(0); }
#backToTop:hover{ background:var(--green); }

/* =========== WhatsApp float =========== */
.whatsapp-float{
  position:fixed; left:24px; bottom:24px; z-index:998;
  width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:1.6rem;
  box-shadow:0 12px 26px -8px rgba(37,211,102,.7);
  animation:whatsappPulse 2.4s ease-in-out infinite;
}
@keyframes whatsappPulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(37,211,102,.55); }
  50%{ box-shadow:0 0 0 14px rgba(37,211,102,0); }
}

/* =========================================================
   Responsive tweaks
   ========================================================= */

/* ----- Large tablets / small laptops ----- */
@media(max-width:991.98px){
  #mainNav{ background:rgba(6,18,48,.96); padding:12px 0; box-shadow:0 8px 24px -14px rgba(0,0,0,.5); }
  .topbar{ font-size:.76rem; }
  .topbar .d-flex.gap-4{ gap:1rem !important; }
  #navList{ padding:16px 0; }
  #navList .nav-link::after{ display:none; }
  #navList .nav-link{ padding:10px 6px !important; }
  #navList li.nav-item.ms-lg-2{ margin-top:12px; }
  #navList li.nav-item.ms-lg-2 .btn{ display:block; text-align:center; }
  .about-badge{
    position:static; width:auto; max-width:calc(100% - 24px);
    margin-top:-28px; text-align:left; padding:14px 20px;
  }
  .about-media{ display:flex; flex-direction:column; align-items:center; }
  .industry-card{ text-align:center; }
  .industry-card i{ margin-left:auto; margin-right:auto; }
  .product-img{ height:220px; }
}

/* ----- Below md: topbar hides, so the navbar no longer needs the offset ----- */
@media(max-width:767.98px){
  #mainNav{ margin-top:0; }
}

/* ----- Tablets & small screens ----- */
@media(max-width:767.98px){
  .section-py{ padding:60px 0; }
  .hero-banner{ padding-top:70px; }
  #heroCarousel, #heroCarousel .carousel-inner, #heroCarousel .carousel-item{
    height:auto; max-height:none; min-height:0;
  }
  .hero-slide-img{ height:auto; aspect-ratio:1672/941; object-position:center 38%; }
  .marquee-track{ font-size:.72rem; gap:2rem; }
  .why-card, .partner-card{ padding:26px 20px; }
  .cert-card{ padding:28px 22px; }
  .report-table{ font-size:.82rem; }
  .report-table thead th, .report-table tbody td{ padding:11px 12px; white-space:nowrap; }
  .cta-banner{ padding:52px 0; }
  .footer{ padding:60px 0 0; text-align:left; }
  .footer-contact li{ justify-content:flex-start; text-align:left; }
  .social-btn{ margin-inline:0; }
}

/* ----- Phones ----- */
@media(max-width:575.98px){
  .topbar{ font-size:.72rem; }
  .loader-logo{ width:110px; margin-bottom:18px; }
  .loader-bar{ width:140px; }
  #brandLogo{ height:32px; }
  #mainNav.scrolled #brandLogo{ height:28px; }
  .hero-banner{ padding-top:62px; }
  .product-img{ height:220px; padding:20px; }
  .report-table{ font-size:.78rem; }
  .report-table thead th, .report-table tbody td{ padding:10px 10px; white-space:nowrap; }
  .cert-badge{ width:54px; height:54px; font-size:1.5rem; }
  #backToTop{ width:42px; height:42px; right:16px; bottom:16px; font-size:1rem; }
  .whatsapp-float{ width:50px; height:50px; left:16px; bottom:16px; font-size:1.4rem; }
  .partner-num{ font-size:2.4rem; }
}

/* ----- Very small phones ----- */
@media(max-width:380px){
  .btn-lg{ padding:.6rem 1.2rem; font-size:.92rem; }
}

/* ----- Short viewports (landscape phones) ----- */
@media(max-height:480px) and (orientation:landscape){
  #heroCarousel, #heroCarousel .carousel-inner, #heroCarousel .carousel-item{
    height:auto; max-height:80vh; min-height:0;
  }
  .hero-slide-img{ height:auto; }
  .section-py{ padding:44px 0; }
}

/* ----- Footer: 2-column layout on tablets ----- */
@media(min-width:576px) and (max-width:991.98px){
  .footer .col-sm-4{ flex:0 0 50%; max-width:50%; }
}

/* ----- Large desktops: keep the hero from getting excessively tall ----- */
@media(min-width:1600px){
  #heroCarousel, #heroCarousel .carousel-inner, #heroCarousel .carousel-item{ max-height:820px; }
}