/* ==================================================
   Babu Solar — Modern Dark/Light 3D Theme
   Loaded AFTER style.css on every page.
   Fixed alternating dark & light sections.
   Fonts: Space Grotesk (display) + Inter (body)
   ================================================== */

:root {
  --b3d-green: #1D8F2C;
  --b3d-green-soft: #2bb45b;
  --b3d-lime: #7ce577;
  --b3d-orange: #FF7029;
  --b3d-amber: #ffb84d;
  --b3d-sky: #38bdf8;
  --b3d-sky-deep: #0ea5e9;

  --b3d-ink: #0f172a;
  --b3d-slate: #475569;
  --b3d-mist: #f4f9ff;

  --b3d-navy: #0B1526;
  --b3d-navy-2: #0E1B33;
  --b3d-navy-3: #13243F;
  --b3d-card-dark: rgba(255, 255, 255, 0.055);
  --b3d-border-dark: rgba(255, 255, 255, 0.12);
  --b3d-text-dark: #e6edf7;
  --b3d-text-dark-muted: #9fb0c7;

  --b3d-card: rgba(255, 255, 255, 0.78);
  --b3d-border: rgba(29, 143, 44, 0.12);
  --b3d-shadow: 0 18px 45px -18px rgba(15, 23, 42, 0.18);
  --b3d-shadow-hover: 0 30px 70px -22px rgba(15, 23, 42, 0.28);
  --b3d-radius: 22px;
  --b3d-glass-blur: 18px;
}

html { scroll-behavior: smooth; }

body {
  background-color: #ffffff;
  background-image:
    radial-gradient(900px 520px at 8% -6%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(820px 480px at 96% 4%, rgba(255, 112, 41, 0.10), transparent 55%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--b3d-slate);
}

::selection { background: var(--b3d-green); color: #fff; }

:focus-visible { outline: 2px solid var(--b3d-sky); outline-offset: 3px; border-radius: 4px; }

/* ---------- Fonts ---------- */
body,
p,
h1,
h3,
h4,
h6,
button,
input,
textarea,
select,
ul,
li,
a,
span,
.ud-main-menu ul > li > a,
.srex-btn,
.srex-accordion .accordion-header__left__badge {
  font-family: "Inter", sans-serif;
}
h2,
h5,
.srex-section__head__title,
.srex-hero-one__box__text,
.srex-hero-two__box h1,
.srex-hero-two__box h2,
.srex-hero-three__left__title,
.section-top-title h1,
.b3d-marquee,
.srex-stats__item__text h3,
.srex-info-box__item__text,
.srex-news-letter__box__left h3,
.srex-portfolio__item__title h3,
.srex-blog-one__post h3 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.01em;
}

/* ---------- custom scrollbar ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #eef6ff; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--b3d-green), var(--b3d-sky-deep));
  border-radius: 999px;
}

/* ==================================================
   PRELOADER
   ================================================== */
.b3d-preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(560px 420px at 50% 30%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(480px 360px at 50% 80%, rgba(255, 112, 41, 0.12), transparent 60%),
    var(--b3d-navy);
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
.b3d-preloader--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.b3d-preloader__box {
  position: relative;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
}
.b3d-preloader__sun {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffe29a, #ff9f43 60%, #ff7029);
  box-shadow: 0 0 42px 8px rgba(255, 159, 67, 0.55);
  animation: b3d-sun-pulse 1.1s ease-in-out infinite;
}
.b3d-preloader__ring {
  position: absolute;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  border: 2px dashed rgba(56, 189, 248, 0.5);
  animation: b3d-spin 2.2s linear infinite;
}
.b3d-preloader__ring--two {
  width: 96px;
  border-color: rgba(255, 112, 41, 0.4);
  animation-direction: reverse;
  animation-duration: 1.6s;
}
.b3d-preloader__label {
  margin-top: 18px;
  color: var(--b3d-text-dark);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 12px;
  text-align: center;
}

@keyframes b3d-spin { to { -webkit-transform: rotate(360deg); transform: rotate(360deg); } }
@keyframes b3d-sun-pulse {
  0%, 100% { -webkit-transform: scale(1); transform: scale(1); }
  50% { -webkit-transform: scale(1.12); transform: scale(1.12); }
}

/* ==================================================
   SCROLL PROGRESS
   ================================================== */
.b3d-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  pointer-events: none;
}
.b3d-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--b3d-green), var(--b3d-sky-deep), var(--b3d-orange));
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.8);
}

/* ==================================================
   3D HERO CANVAS
   ================================================== */
.srex-3d-hero {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.srex-3d-hero canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.srex-hero-one,
.srex-hero-two,
.srex-hero-three,
.section-top {
  position: relative;
  overflow: hidden;
}

.srex-hero-one .container,
.srex-hero-two .container,
.srex-hero-two .container-fluid,
.srex-hero-three .container,
.srex-hero-three .container-fluid,
.section-top .container {
  position: relative;
  z-index: 2;
}

.srex-hero-one::after,
.srex-hero-two::after,
.srex-hero-three::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(640px 380px at 78% 16%, rgba(255, 255, 255, 0.05), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%);
}

/* ==================================================
   HEADER — glass, dark-aware
   ================================================== */
.srex-header,
.srex-header--home-one,
.srex-header--home-two,
.srex-header--home-three {
  background: rgba(11, 21, 38, 0.35);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.srex-header.sticky-top {
  background: rgba(11, 21, 38, 0.62);
  -webkit-backdrop-filter: blur(var(--b3d-glass-blur));
  backdrop-filter: blur(var(--b3d-glass-blur));
  box-shadow: 0 10px 34px -16px rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ud-main-menu ul > li > a {
  color: var(--b3d-text-dark);
  font-weight: 600;
  position: relative;
}
.ud-main-menu ul > li > a:hover,
.ud-main-menu ul > li.active > a {
  color: #fff;
}
.ud-main-menu ul > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--b3d-green-soft), var(--b3d-sky));
  transition: width 0.3s ease;
}
.ud-main-menu ul > li > a:hover::after,
.ud-main-menu ul > li.active > a::after {
  width: 100%;
}

.ud-main-menu ul > li > ul {
  background: rgba(14, 27, 51, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-radius: 16px;
  border: 1px solid var(--b3d-border-dark);
  box-shadow: 0 20px 50px -16px rgba(0, 0, 0, 0.6);
}
.ud-main-menu ul > li > ul li a {
  color: var(--b3d-text-dark);
}
.ud-main-menu ul > li > ul li a:hover {
  color: var(--b3d-sky);
}

.srex-header__call {
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border-dark);
  border-radius: 999px;
  padding: 6px 18px 6px 10px;
}
.srex-header__call span { color: var(--b3d-text-dark-muted); }
.srex-header__call h4 a { color: var(--b3d-text-dark); }
.srex-header__call h4 a:hover { color: var(--b3d-sky); }
.srex-header__call img { -webkit-filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.5)); filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.5)); }

/* Logo on dark header — swap to white logo for contrast */
.srex-header .ud-main-menu__logo img {
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
}

/* ==================================================
   BUTTONS
   ================================================== */
.srex-btn {
  border: none;
  position: relative;
  overflow: hidden;
  will-change: transform;
}
.srex-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transition: left 0.55s ease;
}
.srex-btn:hover::before { left: 100%; }

.srex-btn--primary {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-green-soft));
  box-shadow: 0 14px 28px -12px rgba(29, 143, 44, 0.55);
}
.srex-btn--primary:hover {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  box-shadow: 0 20px 38px -14px rgba(14, 165, 233, 0.55);
}
.srex-btn--secondary {
  background: linear-gradient(135deg, var(--b3d-orange), #ff9f43);
  box-shadow: 0 14px 28px -12px rgba(255, 112, 41, 0.55);
}
.srex-btn--secondary:hover {
  background: linear-gradient(135deg, var(--b3d-orange), var(--b3d-green));
}
.srex-btn--outline {
  background: rgba(255, 255, 255, 0.7);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--b3d-border);
  box-shadow: 0 12px 30px -18px rgba(15, 23, 42, 0.35);
}
.srex-btn--outline:hover {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  border-color: transparent;
}

/* Outline button inside dark hero — light version */
.srex-hero-two__box .srex-btn--outline,
.srex-hero-three__left .srex-btn--outline {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.srex-hero-two__box .srex-btn--outline:hover,
.srex-hero-three__left .srex-btn--outline:hover {
  background: linear-gradient(135deg, var(--b3d-orange), var(--b3d-green));
  border-color: transparent;
}

/* ==================================================
   SECTION HEADS
   ================================================== */
.srex-section__head__badge {
  color: var(--b3d-green);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(29, 143, 44, 0.09);
  border: 1px solid rgba(29, 143, 44, 0.18);
}
.srex-section__head__title {
  color: var(--b3d-ink);
  font-weight: 700;
}
.srex-section__head__title span {
  background: linear-gradient(120deg, var(--b3d-green), var(--b3d-sky-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--b3d-green);
}

/* ==================================================
   MARQUEE BAND
   ================================================== */
.b3d-marquee {
  background: linear-gradient(90deg, var(--b3d-navy-2), var(--b3d-navy-3));
  padding: 16px 0;
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 2;
}
.b3d-marquee__track {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 52px;
  width: -webkit-max-content;
  width: max-content;
  animation: b3d-marquee 30s linear infinite;
}
.b3d-marquee:hover .b3d-marquee__track { animation-play-state: paused; }
.b3d-marquee span {
  color: var(--b3d-text-dark);
  font-family: "Space Grotesk", sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.b3d-marquee i {
  color: var(--b3d-amber);
  font-style: normal;
}
@keyframes b3d-marquee {
  to { -webkit-transform: translateX(-50%); transform: translateX(-50%); }
}

/* ==================================================
   HERO ONE (dark)
   ================================================== */
.srex-hero-one {
  background: radial-gradient(900px 520px at 78% -10%, rgba(56, 189, 248, 0.16), transparent 60%),
    radial-gradient(760px 460px at 4% 110%, rgba(255, 112, 41, 0.12), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy) 0%, var(--b3d-navy-2) 70%, #101c31 100%);
  margin-bottom: 0;
}
.srex-hero-one__box {
  background: rgba(255, 255, 255, 0.055);
  -webkit-backdrop-filter: blur(var(--b3d-glass-blur));
  backdrop-filter: blur(var(--b3d-glass-blur));
  border: 1px solid var(--b3d-border-dark);
  border-radius: var(--b3d-radius);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
}
.srex-hero-one__box__text {
  color: var(--b3d-text-dark);
}
.srex-hero-one__box__text__top__line {
  background: linear-gradient(90deg, var(--b3d-green-soft), var(--b3d-sky));
}
.srex-hero-one__box__text span {
  background: linear-gradient(120deg, var(--b3d-lime), var(--b3d-amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--b3d-green-soft);
}
.srex-hero-one__box__desc {
  color: var(--b3d-text-dark-muted);
}
.srex-hero-one__left__enery__efficient {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  box-shadow: 0 24px 48px -20px rgba(29, 143, 44, 0.6);
}
.srex-hero-one__left__enery__efficient h2,
.srex-hero-one__left__enery__efficient p {
  color: #fff;
}
.srex-hero-one__left__img img,
.srex-hero-one__right img {
  border-radius: var(--b3d-radius);
  box-shadow: 0 26px 60px -28px rgba(0, 0, 0, 0.7);
}

/* Hero title letter reveal */
.b3d-title { overflow: hidden; }
.b3d-title .word {
  display: inline-block;
  margin-right: 0.28em;
  -webkit-transform: translateY(115%);
  transform: translateY(115%);
  opacity: 0;
}
.b3d-title.b3d-inview .word {
  -webkit-transform: translateY(0);
  transform: translateY(0);
  opacity: 1;
  transition: -webkit-transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.7s ease;
}
.b3d-title .word:nth-child(1) { transition-delay: 0.05s; }
.b3d-title .word:nth-child(2) { transition-delay: 0.14s; }
.b3d-title .word:nth-child(3) { transition-delay: 0.23s; }
.b3d-title .word:nth-child(4) { transition-delay: 0.32s; }
.b3d-title .word:nth-child(5) { transition-delay: 0.41s; }
.b3d-title .word:nth-child(6) { transition-delay: 0.5s; }
.b3d-title .word:nth-child(7) { transition-delay: 0.59s; }
.b3d-title .word:nth-child(8) { transition-delay: 0.68s; }
.b3d-title .word:nth-child(9) { transition-delay: 0.77s; }

/* ==================================================
   HERO TWO (dark)
   ================================================== */
.srex-hero-two {
  background: radial-gradient(700px 420px at 80% 20%, rgba(56, 189, 248, 0.14), transparent 65%),
    linear-gradient(180deg, var(--b3d-navy) 0%, var(--b3d-navy-2) 70%, #101c31 100%);
}
.srex-hero-two__box h1 { color: var(--b3d-text-dark); }
.srex-hero-two__box h1 span {
  -webkit-text-stroke: 2px var(--b3d-sky);
  color: transparent;
}
.srex-hero-two__box h2 { color: var(--b3d-text-dark); }
.srex-hero-two__box h2::before {
  background: linear-gradient(90deg, var(--b3d-green-soft), var(--b3d-sky));
}
.srex-hero-two__box p { color: var(--b3d-text-dark-muted); }
.srex-hero-two__box .srex-btn--secondary {
  background: linear-gradient(135deg, var(--b3d-orange), #ff9f43);
}

/* ==================================================
   HERO THREE (dark)
   ================================================== */
.srex-hero-three {
  background-image: none;
  background-color: transparent;
  background: radial-gradient(700px 420px at 90% 20%, rgba(56, 189, 248, 0.14), transparent 65%),
    linear-gradient(180deg, var(--b3d-navy) 0%, var(--b3d-navy-2) 70%, #101c31 100%);
}
.srex-hero-three__left__title { color: var(--b3d-text-dark); }
.srex-hero-three__left__title span {
  color: var(--b3d-amber);
}
.srex-hero-three__left__desc { color: var(--b3d-text-dark-muted); }

/* ==================================================
   INNER PAGE BANNER (.section-top, dark)
   ================================================== */
.section-top {
  background: radial-gradient(700px 360px at 12% 0%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(620px 340px at 88% 100%, rgba(255, 112, 41, 0.12), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy) 0%, var(--b3d-navy-2) 100%);
  padding-top: 96px;
  padding-bottom: 96px;
}
.section-top::before { background: transparent; opacity: 1; }
.section-top-title h1 {
  color: var(--b3d-text-dark);
  background: linear-gradient(120deg, #ffffff, var(--b3d-sky));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-top-title ul li,
.section-top-title ul li a {
  color: var(--b3d-text-dark-muted) !important;
}
.section-top-title ul li a:hover { color: var(--b3d-sky) !important; }
.section-top-title ul li a::after {
  background: linear-gradient(90deg, var(--b3d-green-soft), var(--b3d-sky));
}

/* ==================================================
   3D TILT CARDS (light)
   ================================================== */
[data-b3d-tilt] {
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  will-change: transform;
  transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.srex-info-box__item {
  background: var(--b3d-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
  overflow: hidden;
}
.srex-info-box__item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.08), rgba(255, 112, 41, 0.06));
  opacity: 0;
  transition: opacity 0.35s ease;
}
.srex-info-box__item:hover::after { opacity: 1; }
.srex-info-box__item:hover {
  border-color: rgba(29, 143, 44, 0.28);
  box-shadow: var(--b3d-shadow-hover);
}
.srex-info-box__item__number {
  color: rgba(29, 143, 44, 0.14);
  font-size: 58px;
  font-weight: 800;
  -webkit-transform: translateZ(30px);
  transform: translateZ(30px);
}
.srex-info-box__item__text {
  color: var(--b3d-ink);
  -webkit-transform: translateZ(26px);
  transform: translateZ(26px);
  font-weight: 700;
}
.srex-info-box__item__logo {
  -webkit-filter: drop-shadow(0 8px 16px rgba(29, 143, 44, 0.25));
  filter: drop-shadow(0 8px 16px rgba(29, 143, 44, 0.25));
}
.srex-info-box__item__img { -webkit-transform: translateZ(40px); transform: translateZ(40px); }
.srex-info-box__more a { font-weight: 800; }

/* Portfolio */
.srex-portfolio__item {
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.srex-portfolio__item:hover { box-shadow: var(--b3d-shadow-hover); }
.srex-portfolio__item__title {
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-right: 5px solid var(--b3d-green);
  box-shadow: 0 14px 34px -18px rgba(15, 23, 42, 0.45);
  -webkit-transform: translateZ(40px);
  transform: translateZ(40px);
}
.srex-portfolio__item:hover .srex-portfolio__item__title {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  border-right-color: var(--b3d-orange);
}

/* Blog */
.srex-blog-one__post {
  background: var(--b3d-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  padding: 18px;
  box-shadow: var(--b3d-shadow);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.srex-blog-one__post:hover { box-shadow: var(--b3d-shadow-hover); }
.srex-blog-one__post__img { border-radius: 16px; overflow: hidden; }
.srex-blog-one__post h3 a { color: var(--b3d-ink); }
.srex-blog-one__post:hover h3 a { color: var(--b3d-green); }

/* Portfolio filter pills */
.controls ul#filters .filter,
.srex-portfolio__filter li {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--b3d-border);
  background: rgba(255, 255, 255, 0.6);
  color: var(--b3d-slate);
  font-weight: 700;
  transition: all 0.3s ease;
}
.controls ul#filters .filter.active,
.controls ul#filters .filter:hover,
.srex-portfolio__filter li.active,
.srex-portfolio__filter li:hover {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 24px -10px rgba(14, 165, 233, 0.5);
}

/* ==================================================
   STATS (dark band)
   ================================================== */
.srex-stats {
  background: radial-gradient(800px 420px at 50% 0%, rgba(56, 189, 248, 0.1), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy-2), var(--b3d-navy));
  margin-top: 0;
}
.srex-stats__item {
  background: var(--b3d-card-dark);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border-dark);
  border-radius: var(--b3d-radius);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  transition: -webkit-transform 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}
.srex-stats__item:hover {
  -webkit-transform: translateY(-8px);
  transform: translateY(-8px);
  box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 0.75);
}
.srex-stats__item__icon img {
  -webkit-filter: brightness(0) invert(1) drop-shadow(0 6px 14px rgba(56, 189, 248, 0.55));
  filter: brightness(0) invert(1) drop-shadow(0 6px 14px rgba(56, 189, 248, 0.55));
}
.srex-stats__item__text h2 {
  background: linear-gradient(120deg, var(--b3d-lime), var(--b3d-sky));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--b3d-lime);
}
.srex-stats__item__text h3 {
  color: var(--b3d-text-dark);
  font-weight: 600;
}

/* ==================================================
   NEWSLETTER (dark)
   ================================================== */
.srex-news-letter__box {
  background:
    radial-gradient(420px 200px at 90% 0%, rgba(255, 112, 41, 0.16), transparent 60%),
    radial-gradient(460px 240px at 4% 110%, rgba(56, 189, 248, 0.18), transparent 60%),
    linear-gradient(135deg, var(--b3d-navy-3), var(--b3d-navy));
  border: 1px solid var(--b3d-border-dark);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
}
.srex-news-letter__box__left h3 {
  color: var(--b3d-text-dark);
  font-weight: 700;
}
.srex-news-letter__box__right form {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--b3d-border-dark);
  border-radius: 999px;
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.7);
}
.srex-news-letter__box__right input {
  background: transparent;
  color: var(--b3d-text-dark);
}
.srex-news-letter__box__right input::placeholder { color: var(--b3d-text-dark-muted); }

/* ==================================================
   TESTIMONIAL (light)
   ================================================== */
.srex-testimonial-one__slider__item {
  background: var(--b3d-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
}
.srex-testimonial-one__right__img {
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow-hover);
}

/* ==================================================
   ACCORDION / FAQ
   ================================================== */
.srex-accordion .accordion-item {
  border: 1px solid var(--b3d-border);
  border-radius: 16px !important;
  overflow: hidden;
  box-shadow: 0 10px 28px -18px rgba(15, 23, 42, 0.25);
  margin-bottom: 16px;
}

/* ==================================================
   CONTACT (light)
   ================================================== */
.srex-contact__left {
  background: var(--b3d-card);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
}
.srex-contact__left input,
.srex-contact__left textarea {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.srex-contact__left input:focus,
.srex-contact__left textarea:focus {
  border-color: var(--b3d-green);
  box-shadow: 0 0 0 4px rgba(29, 143, 44, 0.12);
}

/* ==================================================
   VIDEO
   ================================================== */
.srex-video__box {
  border-radius: var(--b3d-radius);
  overflow: hidden;
  box-shadow: var(--b3d-shadow-hover);
}
.srex-video__play__btn {
  background: linear-gradient(135deg, var(--b3d-orange), var(--b3d-green));
  box-shadow: 0 16px 34px -12px rgba(255, 112, 41, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 4px solid rgba(255, 255, 255, 0.7);
}

/* About boxes */
.srex-about-us-one__right__box {
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
}
.srex-about-us-one__right__box__text h2 { color: var(--b3d-green); }

/* Pricing cards (about page) */
.srex-pricing__item {
  background: var(--b3d-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b3d-border);
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow);
}

/* ==================================================
   FOOTER (dark)
   ================================================== */
.srex-footer-one {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(700px 300px at 92% 0%, rgba(56, 189, 248, 0.1), transparent 60%),
    radial-gradient(600px 320px at 4% 100%, rgba(255, 112, 41, 0.08), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy), #081020);
}
.srex-footer-one hr { border-color: rgba(255, 255, 255, 0.1); }
.srex-footer-one__top img {
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
}
.srex-footer__social_links li a {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--b3d-border-dark);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--b3d-text-dark);
  transition: all 0.3s ease;
}
.srex-footer__social_links li a:hover {
  background: linear-gradient(135deg, var(--b3d-green), var(--b3d-sky-deep));
  border-color: transparent;
  color: #fff;
  -webkit-transform: translateY(-3px);
  transform: translateY(-3px);
}
.srex-footer__links__wrapper h4 { color: var(--b3d-text-dark); }
.srex-footer__links__list li a {
  color: var(--b3d-text-dark-muted);
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.srex-footer__links__list li a:hover {
  color: var(--b3d-sky);
  padding-left: 8px;
}
.srex-footer__contact__icon {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--b3d-border-dark);
  border-radius: 12px;
  color: var(--b3d-sky);
}
.srex-footer__contact__text h4,
.srex-footer__contact__text p,
.srex-footer__contact__text p a {
  color: var(--b3d-text-dark-muted);
}
.srex-footer__newsletter p { color: var(--b3d-text-dark-muted); }
.srex-footer__bottom p,
.srex-footer__bottom__links a {
  color: var(--b3d-text-dark-muted);
}
.srex-footer__bottom__links a:hover { color: var(--b3d-sky); }

/* Footer 2/3 variants used on some inner pages */
.srex-footer-two,
.srex-footer-three {
  background:
    radial-gradient(700px 300px at 92% 0%, rgba(56, 189, 248, 0.1), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy), #081020);
}

/* ==================================================
   FLOATING ORB DECOR
   ================================================== */
.srex-3d-orbs {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.srex-3d-orbs .orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.65;
  -webkit-filter: blur(2px);
  filter: blur(2px);
  animation: b3d-float 14s ease-in-out infinite;
}
.srex-3d-orbs .orb--green {
  background: radial-gradient(circle at 30% 30%, rgba(43, 180, 91, 0.5), rgba(29, 143, 44, 0.06));
  width: 220px;
  height: 220px;
}
.srex-3d-orbs .orb--orange {
  background: radial-gradient(circle at 30% 30%, rgba(255, 159, 67, 0.5), rgba(255, 112, 41, 0.06));
  width: 160px;
  height: 160px;
  animation-delay: -6s;
}
.srex-3d-orbs .orb--sky {
  background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.5), rgba(14, 165, 233, 0.06));
  width: 190px;
  height: 190px;
  animation-delay: -3s;
}

@keyframes b3d-float {
  0%, 100% {
    -webkit-transform: translate3d(var(--b3d-orbit-x, 0px), var(--b3d-orbit-y, 0px), 0) scale(1);
    transform: translate3d(var(--b3d-orbit-x, 0px), var(--b3d-orbit-y, 0px), 0) scale(1);
  }
  50% {
    -webkit-transform: translate3d(var(--b3d-orbit-x, 0px), calc(var(--b3d-orbit-y, 0px) - 30px), 0) scale(1.08);
    transform: translate3d(var(--b3d-orbit-x, 0px), calc(var(--b3d-orbit-y, 0px) - 30px), 0) scale(1.08);
  }
}

/* ==================================================
   ABOUT / OTHER LIGHT CARDS ON DARK-FREE AREAS
   ================================================== */
.srex-about-us-one__right__img,
.srex-section-bottom__left__img {
  border-radius: var(--b3d-radius);
  box-shadow: var(--b3d-shadow-hover);
}

/* ==================================================
   SECTION BACKGROUND CLEAN-UP (drop legacy art)
   ================================================== */
.srex-features {
  background: var(--b3d-section-light) none no-repeat;
  padding-bottom: 120px;
}
.srex-video {
  background:
    radial-gradient(700px 320px at 50% 120%, rgba(56, 189, 248, 0.12), transparent 60%),
    linear-gradient(180deg, var(--b3d-navy-2), var(--b3d-navy));
  margin-top: 0;
  padding: 90px 0 120px;
}
.srex-question {
  background: var(--b3d-section-light) none no-repeat;
}
.srex-testimonial-one {
  background-color: var(--b3d-section-light);
  background-image: none;
  margin-top: 0;
}

/* ==================================================
   RESPONSIVE — MOBILE & TABLET
   ================================================== */
@media (max-width: 991px) {
  html,
  body {
    overflow-x: clip;
  }
}

@media only screen and (min-width: 768px) and (max-width: 991px) {
  .srex-hero-three__left {
    max-width: 100%;
    padding: 130px 0 70px;
  }
  .srex-hero-three__right img {
    max-width: 420px;
  }
}

@media (max-width: 767px) {
  html,
  body {
    overflow-x: clip;
  }

  /* ---- 3D canvas ---- */
  .srex-3d-hero {
    opacity: 0.85;
  }
  .srex-hero-one,
  .srex-hero-two,
  .srex-hero-three {
    min-height: 540px;
  }

  /* ---- Hero one ---- */
  .srex-hero-one__box {
    border-radius: 18px;
    padding: 24px;
  }
  .srex-hero-one__box__text {
    font-size: 30px;
    line-height: 38px;
  }
  .srex-hero-one__left__enery__efficient {
    padding: 16px 14px;
  }
  .srex-hero-one__left__enery__efficient h2 {
    font-size: 42px;
    line-height: 50px;
  }

  /* ---- Hero two ---- */
  .srex-hero-two__box {
    padding: 70px 0 90px;
  }
  .srex-hero-two__box .d-flex {
    flex-wrap: wrap;
  }

  /* ---- Hero three ---- */
  .srex-hero-three {
    height: auto;
    margin-top: 0;
    padding: 0 0 60px;
    display: -webkit-flex;
    display: flex;
    align-items: center;
  }
  .srex-hero-three__left {
    max-width: 100%;
    padding: 110px 0 30px;
  }
  .srex-hero-three__left__title {
    font-size: 46px;
    line-height: 54px;
  }
  .srex-hero-three__left__desc {
    margin-top: 20px;
  }

  /* ---- Inner page banner ---- */
  .section-top {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .section-top-title h1 {
    font-size: 30px;
    line-height: 38px;
  }

  /* ---- Section head ---- */
  .srex-section__head__title {
    font-size: 32px;
    line-height: 40px;
  }
  .srex-section__head__badge {
    font-size: 12px;
    padding: 6px 14px;
  }

  /* ---- Newsletter ---- */
  .srex-news-letter__box__right form {
    border-radius: 18px;
    padding: 14px;
  }
  .srex-news-letter__box__right input {
    border-radius: 12px;
    padding: 13px 16px;
    margin: 0 0 10px 0;
  }
  .srex-news-letter__box__right button {
    width: 100%;
  }

  /* ---- Marquee ---- */
  .b3d-marquee {
    padding: 12px 0;
  }
  .b3d-marquee span {
    font-size: 13px;
  }

  /* ---- Hamburger on dark header ---- */
  .srex-header .ud-hamburger-menu__btn span,
  .srex-header .ud-hamburger-menu__btn span::before,
  .srex-header .ud-hamburger-menu__btn span::after {
    background-color: #fff;
  }

  /* ---- Side popup ---- */
  .ud-side-popup {
    width: min(320px, 86vw);
    right: -86vw;
  }

  /* ---- Video ---- */
  .srex-video__box img {
    height: 180px;
    border-radius: 22px;
  }

  /* ---- Footer ---- */
  .srex-footer-one__top {
    text-align: center;
  }
  .srex-footer__social_links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .srex-hero-two__box h1 {
    font-size: 40px;
    line-height: 46px;
  }
  .srex-hero-two__box h2 {
    font-size: 32px;
    line-height: 40px;
    text-align: left;
  }
  .srex-hero-three__left__title {
    font-size: 38px;
    line-height: 46px;
  }
  .srex-section__head__title {
    font-size: 27px;
    line-height: 35px;
  }
  .section-top-title h1 {
    font-size: 26px;
    line-height: 34px;
  }
  .srex-hero-one__box__text {
    font-size: 26px;
    line-height: 34px;
  }
  .srex-hero-one__box__desc {
    font-size: 14px;
  }
}

/* ==================================================
   REDUCED MOTION
   ================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .srex-3d-hero,
  .srex-3d-orbs,
  .b3d-preloader,
  .b3d-marquee__track { display: none; }
  [data-b3d-tilt] { -webkit-transform: none !important; transform: none !important; }
  .b3d-title .word {
    -webkit-transform: none;
    transform: none;
    opacity: 1;
  }
}

/* Babu Solar WhatsApp floating button */
.b3d-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  text-decoration: none;
  overflow: hidden;
  transition: width 0.25s ease, border-radius 0.25s ease, background 0.2s ease;
}
.b3d-whatsapp:hover,
.b3d-whatsapp:focus {
  background: #1fbe57;
  text-decoration: none;
}
.b3d-whatsapp svg {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  margin-left: 13px;
  fill: #fff;
}
.b3d-whatsapp__label {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  max-width: 0;
  transition: opacity 0.25s ease, max-width 0.25s ease;
}
.b3d-whatsapp:hover .b3d-whatsapp__label,
.b3d-whatsapp:focus .b3d-whatsapp__label {
  opacity: 1;
  max-width: 140px;
  padding-right: 16px;
}
@media (max-width: 575.98px) {
  .b3d-whatsapp {
    right: 14px;
    bottom: 14px;
    width: 52px;
    height: 52px;
  }
  .b3d-whatsapp svg {
    width: 28px;
    height: 28px;
    margin-left: 12px;
  }
  .b3d-whatsapp:hover .b3d-whatsapp__label {
    max-width: 0;
    opacity: 0;
    padding-right: 0;
  }
}