/* ============================================================
   GLOBAL SOLUTION GREEN ENERGY — Premium Corporate Stylesheet
   ============================================================ */

:root{
  --blue-deep:   #0E3D6B;
  --blue:        #1568C4;
  --blue-light:  #E7F0FC;
  --green:       #23884A;
  --green-light: #E7F5EC;
  --white:       #FFFFFF;
  --off-white:   #F6F8FA;
  --grey-900:    #171B21;
  --grey-700:    #4B5561;
  --grey-400:    #8996A3;
  --grey-200:    #E4E9EE;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-sm: 0 4px 16px rgba(14,61,107,0.08);
  --shadow-md: 0 12px 40px rgba(14,61,107,0.12);
  --shadow-lg: 0 24px 60px rgba(14,61,107,0.18);

  --ease: cubic-bezier(.22,1,.36,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--font-body);
  color:var(--grey-900);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

a{ text-decoration:none; color:inherit; }

ul{ list-style:none; }

.container{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--grey-900);
  line-height:1.15;
  letter-spacing:-0.02em;
}

.eyebrow{
  display:inline-block;
  font-family:var(--font-body);
  font-weight:700;
  font-size:13px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--green);
  margin-bottom:14px;
}

.section-head{
  max-width:640px;
  margin:0 0 56px;
}
.section-head.light .eyebrow{ color:#9FD9B8; }
.section-head.light h2{ color:var(--white); }
.section-head.light .section-sub{ color:rgba(255,255,255,0.78); }

.section-head h2{ font-size:clamp(30px,4vw,42px); margin-bottom:14px; }
.section-sub{ color:var(--grey-700); font-size:17px; }

section{ padding:100px 0; }

@media(max-width:768px){
  section{ padding:70px 0; }
  .section-head{ margin-bottom:40px; }
}

/* ============ REVEAL ANIMATION ============ */
[data-reveal]{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in-view{
  opacity:1;
  transform:translateY(0);
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:16px 32px;
  border-radius:100px;
  font-weight:700;
  font-size:15px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-3px); }

.btn-primary{
  background:var(--white);
  color:var(--blue-deep);
  box-shadow:0 10px 30px rgba(0,0,0,0.18);
}
.btn-primary:hover{ box-shadow:0 16px 40px rgba(0,0,0,0.25); }

.btn-whatsapp{
  background:var(--green);
  color:var(--white);
  border-color:var(--green);
  box-shadow:0 10px 30px rgba(35,136,74,0.35);
}
.btn-whatsapp:hover{ background:#1c7040; box-shadow:0 16px 40px rgba(35,136,74,0.4); }

.btn-outline{
  border-color:var(--blue);
  color:var(--blue);
  background:transparent;
  padding:14px 30px;
}
.btn-outline:hover{ background:var(--blue); color:var(--white); }

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:900;
  background:rgba(255,255,255,0.7);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(20,40,70,0.06);
  transition:box-shadow .35s var(--ease), background .35s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,0.92);
  box-shadow:var(--shadow-sm);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:82px;
}

.brand{ display:flex; align-items:center; gap:12px; }
.brand-logo{ width:46px; height:46px; object-fit:contain; }
.brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:14px;
  letter-spacing:0.02em;
  color:var(--blue-deep);
  line-height:1.3;
}
.brand-name em{
  display:block;
  font-style:normal;
  font-weight:600;
  font-size:11.5px;
  letter-spacing:0.12em;
  color:var(--green);
}

.main-nav{
  display:flex;
  align-items:center;
  gap:36px;
}
.main-nav a{
  font-weight:600;
  font-size:15px;
  color:var(--grey-700);
  position:relative;
  transition:color .3s;
}
.main-nav a:not(.nav-cta)::after{
  content:'';
  position:absolute;
  left:0; bottom:-6px;
  width:0; height:2px;
  background:var(--green);
  transition:width .3s var(--ease);
}
.main-nav a:not(.nav-cta):hover{ color:var(--blue-deep); }
.main-nav a:not(.nav-cta):hover::after{ width:100%; }

.nav-cta{
  display:flex; align-items:center; gap:8px;
  background:var(--blue-deep);
  color:var(--white) !important;
  padding:11px 22px;
  border-radius:100px;
  transition:transform .3s var(--ease), background .3s;
}
.nav-cta:hover{ background:var(--green); transform:translateY(-2px); }

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.hamburger span{
  width:26px; height:2px;
  background:var(--blue-deep);
  border-radius:2px;
  transition:transform .35s var(--ease), opacity .3s;
}
.hamburger.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2){ opacity:0; }
.hamburger.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-img{
  width:100%; height:100%;
  object-fit:cover;
  object-position:center 30%;
  transform:scale(1.08);
  animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{ to{ transform:scale(1);} }

.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(9,28,50,0.92) 0%, rgba(9,28,50,0.72) 40%, rgba(9,28,50,0.35) 75%, rgba(9,28,50,0.15) 100%);
}

.hero-content{
  position:relative;
  z-index:1;
  padding-top:100px;
  max-width:720px;
}
.hero-content .eyebrow{ color:#8FD1AC; }
.hero-content h1{
  font-size:clamp(38px,6vw,64px);
  color:var(--white);
  font-weight:800;
  margin-bottom:22px;
}
.hero-text{
  color:rgba(255,255,255,0.86);
  font-size:18px;
  max-width:560px;
  margin-bottom:36px;
}
.hero-buttons{ display:flex; gap:18px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute;
  bottom:32px; left:50%;
  transform:translateX(-50%);
  color:rgba(255,255,255,0.75);
  font-size:20px;
  animation:bounce 2.4s infinite;
  z-index:1;
}
@keyframes bounce{
  0%,100%{ transform:translate(-50%,0); }
  50%{ transform:translate(-50%,10px); }
}

@media(max-width:768px){
  .hero-content{ padding-top:130px; }
  .hero-buttons{ flex-direction:column; align-items:flex-start; }
  .btn{ width:100%; justify-content:center; }
}

/* ============ ABOUT ============ */
.about{ background:var(--off-white); }
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:72px;
  align-items:center;
}
.about-media{ position:relative; }
.about-media img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  width:100%;
  height:460px;
  object-fit:cover;
}
.about-badge{
  position:absolute;
  bottom:-28px; right:-24px;
  background:var(--blue-deep);
  color:var(--white);
  padding:24px 28px;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  min-width:200px;
}
.badge-number{
  display:block;
  font-family:var(--font-display);
  font-size:34px;
  font-weight:800;
  color:var(--white);
}
.badge-label{
  font-size:13px;
  color:rgba(255,255,255,0.8);
  font-weight:600;
}

.about-copy h2{ font-size:clamp(28px,3.6vw,38px); margin-bottom:20px; }
.about-copy p{ color:var(--grey-700); margin-bottom:18px; font-size:16px; }
.about-list{ margin:26px 0 32px; }
.about-list li{
  display:flex; align-items:flex-start; gap:12px;
  padding:10px 0;
  font-weight:600;
  font-size:15.5px;
  color:var(--grey-900);
  border-bottom:1px solid var(--grey-200);
}
.about-list li i{ color:var(--green); margin-top:3px; }
.about-list li:last-child{ border-bottom:none; }

@media(max-width:900px){
  .about-grid{ grid-template-columns:1fr; gap:56px; }
  .about-media img{ height:340px; }
  .about-badge{ right:16px; }
}

/* ============ SERVICES ============ */
.services{ background:var(--white); }
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.service-card{
  background:rgba(255,255,255,0.6);
  border:1px solid var(--grey-200);
  border-radius:var(--radius-md);
  overflow:hidden;
  cursor:pointer;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
  backdrop-filter:blur(6px);
}
.service-card:hover{
  transform:translateY(-10px);
  box-shadow:var(--shadow-lg);
}
.service-media{ overflow:hidden; height:230px; }
.service-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .7s var(--ease);
}
.service-card:hover .service-media img{ transform:scale(1.09); }
.service-body{ padding:26px 28px 30px; }
.service-body h3{ font-size:20px; margin-bottom:10px; }
.service-body p{ color:var(--grey-700); font-size:14.5px; }

@media(max-width:900px){
  .services-grid{ grid-template-columns:repeat(2,1fr); }
}
@media(max-width:600px){
  .services-grid{ grid-template-columns:1fr; }
}

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed; inset:0;
  background:rgba(9,15,24,0.94);
  display:flex; align-items:center; justify-content:center;
  z-index:2000;
  opacity:0; visibility:hidden;
  transition:opacity .4s var(--ease), visibility .4s;
  padding:40px;
}
.lightbox.active{ opacity:1; visibility:visible; }
.lightbox img{
  max-width:88vw; max-height:78vh;
  object-fit:contain;
  border-radius:var(--radius-sm);
  transform:scale(.92);
  transition:transform .4s var(--ease);
  box-shadow:0 30px 80px rgba(0,0,0,0.5);
}
.lightbox.active img{ transform:scale(1); }
.lightbox-caption{
  position:absolute;
  bottom:36px; left:50%;
  transform:translateX(-50%);
  color:var(--white);
  font-weight:600;
  letter-spacing:0.02em;
}
.lightbox-close{
  position:absolute; top:28px; right:32px;
  background:rgba(255,255,255,0.1);
  border:none; color:var(--white);
  width:48px; height:48px; border-radius:50%;
  font-size:18px; cursor:pointer;
  transition:background .3s;
}
.lightbox-close:hover{ background:rgba(255,255,255,0.22); }
.lightbox-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  background:rgba(255,255,255,0.1);
  border:none; color:var(--white);
  width:52px; height:52px; border-radius:50%;
  font-size:18px; cursor:pointer;
  transition:background .3s;
}
.lightbox-arrow:hover{ background:rgba(255,255,255,0.22); }
.lightbox-prev{ left:28px; }
.lightbox-next{ right:28px; }
@media(max-width:600px){
  .lightbox-arrow{ width:42px; height:42px; }
  .lightbox-prev{ left:10px; } .lightbox-next{ right:10px; }
}

/* ============ GALLERY / SLIDER ============ */
.gallery{ background:var(--off-white); }
.slider-wrap{
  position:relative;
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}
.slider{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:6px 2px 26px;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.slider::-webkit-scrollbar{ display:none; }
.slide{
  flex:0 0 auto;
  width:340px;
  height:240px;
  scroll-snap-align:start;
  border-radius:var(--radius-md);
  overflow:hidden;
  cursor:pointer;
  box-shadow:var(--shadow-sm);
  position:relative;
}
.slide img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s var(--ease);
}
.slide:hover img{ transform:scale(1.08); }

.slider-arrow{
  position:absolute; top:44%; transform:translateY(-50%);
  width:52px; height:52px; border-radius:50%;
  background:var(--white);
  border:1px solid var(--grey-200);
  box-shadow:var(--shadow-sm);
  color:var(--blue-deep);
  font-size:16px;
  cursor:pointer;
  z-index:2;
  transition:background .3s, color .3s, transform .3s;
}
.slider-arrow:hover{ background:var(--blue-deep); color:var(--white); }
.slider-prev{ left:-6px; }
.slider-next{ right:-6px; }
@media(max-width:768px){
  .slider-arrow{ display:none; }
  .slide{ width:78vw; }
}

.slider-dots{
  display:flex; justify-content:center; gap:8px;
  margin-top:8px;
}
.slider-dots span{
  width:8px; height:8px; border-radius:50%;
  background:var(--grey-200);
  cursor:pointer;
  transition:background .3s, width .3s;
}
.slider-dots span.active{ background:var(--green); width:22px; border-radius:6px; }

/* ============ WHY US ============ */
.why-us{ background:var(--white); }
.why-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.why-card{
  padding:36px 30px;
  border-radius:var(--radius-md);
  background:var(--off-white);
  border:1px solid var(--grey-200);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), background .4s var(--ease);
}
.why-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-md);
  background:var(--white);
}
.why-icon{
  width:58px; height:58px;
  border-radius:16px;
  background:var(--blue-light);
  color:var(--blue-deep);
  display:flex; align-items:center; justify-content:center;
  font-size:22px;
  margin-bottom:20px;
  transition:background .4s, color .4s;
}
.why-card:hover .why-icon{ background:var(--green); color:var(--white); }
.why-card h3{ font-size:18px; margin-bottom:10px; }
.why-card p{ color:var(--grey-700); font-size:14.5px; }

@media(max-width:900px){ .why-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .why-grid{ grid-template-columns:1fr; } }

/* ============ CONTACT ============ */
.contact{
  background:linear-gradient(135deg, var(--blue-deep) 0%, #124a85 55%, var(--green) 150%);
  position:relative;
}
.contact-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-bottom:44px;
}
.contact-card{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.18);
  backdrop-filter:blur(10px);
  border-radius:var(--radius-md);
  padding:32px 26px;
  text-align:center;
  transition:transform .4s var(--ease), background .4s var(--ease);
}
.contact-card:hover{
  transform:translateY(-8px);
  background:rgba(255,255,255,0.16);
}
.contact-icon{
  width:56px; height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--white);
  color:var(--blue-deep);
  display:flex; align-items:center; justify-content:center;
  font-size:20px;
}
.contact-card h3{ color:var(--white); font-size:16px; margin-bottom:8px; }
.contact-card p{ color:rgba(255,255,255,0.82); font-size:14px; font-weight:600; }

.contact-owner{
  text-align:center;
  color:rgba(255,255,255,0.9);
  font-weight:600;
  font-size:15px;
}
.contact-owner i{ color:#9FD9B8; margin-right:8px; }

@media(max-width:900px){ .contact-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .contact-grid{ grid-template-columns:1fr; } }

/* ============ FOOTER ============ */
.footer{ background:var(--grey-900); color:rgba(255,255,255,0.75); padding-top:80px; }
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:56px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand img{ margin-bottom:16px; }
.footer-name{
  font-family:var(--font-display);
  color:var(--white);
  font-weight:700;
  font-size:15px;
  margin-bottom:8px;
}
.footer-name em{ display:block; font-style:normal; font-weight:600; font-size:12px; color:#9FD9B8; letter-spacing:0.1em; }
.footer-tag{ font-size:14px; max-width:240px; margin-bottom:14px; }
.footer-address{ font-size:13px; max-width:260px; color:rgba(255,255,255,0.62); line-height:1.6; }
.footer-address i{ color:#9FD9B8; margin-right:6px; }

.footer-col h4{ color:var(--white); font-size:15px; margin-bottom:20px; }
.footer-col a{ display:block; font-size:14px; margin-bottom:12px; color:rgba(255,255,255,0.72); transition:color .3s; }
.footer-col a:hover{ color:#9FD9B8; }

.footer-bottom{
  text-align:center;
  padding:24px 0 110px;
  font-size:13px;
  color:rgba(255,255,255,0.5);
}

@media(max-width:900px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media(max-width:560px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ============ STICKY BOTTOM BAR ============ */
.sticky-bar{
  position:fixed;
  bottom:0; left:0; right:0;
  z-index:800;
  display:none;
  grid-template-columns:repeat(4,1fr);
  background:var(--white);
  box-shadow:0 -6px 24px rgba(0,0,0,0.1);
}
.sticky-bar a{
  display:flex; flex-direction:column; align-items:center; gap:4px;
  padding:12px 0 10px;
  font-size:11px;
  font-weight:700;
  color:var(--grey-700);
  border-right:1px solid var(--grey-200);
}
.sticky-bar a:last-child{ border-right:none; }
.sticky-bar a i{ font-size:18px; color:var(--blue-deep); }
.sticky-bar a:nth-child(2) i{ color:var(--green); }

@media(max-width:768px){
  .sticky-bar{ display:grid; }
  .footer-bottom{ padding-bottom:110px; }
}

/* ============ MOBILE NAV ============ */
@media(max-width:1000px){
  .hamburger{ display:flex; }
  .main-nav{
    position:fixed;
    top:82px; right:0;
    width:78%; max-width:340px;
    height:calc(100vh - 82px);
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:36px 30px;
    gap:26px;
    box-shadow:-10px 0 40px rgba(0,0,0,0.12);
    transform:translateX(100%);
    transition:transform .45s var(--ease);
  }
  .main-nav.active{ transform:translateX(0); }
  .nav-cta{ margin-top:6px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--green);
  outline-offset:3px;
}