/* Tile Layout Override */
@media (max-width: 1199px) {

  /* kill horizontal strip */
  .explore-wide .row {
    flex-wrap: wrap !important;
  }

  /* force single column instead of 2 */
  .explore-wide .col-10,
  .explore-wide .col-md-6,
  .explore-wide .col-xl-4 {
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }
}


:root {
  --sem-black: #020204;
  --sem-panel: rgba(255,255,255,.075);
  --sem-panel-strong: rgba(255,255,255,.13);
  --sem-line: rgba(255,255,255,.13);
  --sem-muted: rgba(255,255,255,.68);
  --sem-radius: 30px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: #fff;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 24% 22%, rgba(255,255,255,.13), transparent 24rem),
    radial-gradient(circle at 78% 18%, rgba(115, 95, 255, .22), transparent 27rem),
    radial-gradient(circle at 37% 95%, rgba(0, 196, 255, .10), transparent 26rem),
    linear-gradient(180deg, #050507 0%, #020204 58%, #07070b 100%);
}

a { text-decoration: none; }

/* Floating nav */
.floating-nav-wrapper {
  position: fixed;
  inset: 22px 0 auto 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
}

.floating-nav {
  width: min(1120px, 100%);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(8,8,12,.66);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 18px 70px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.08);
}

.brand-mark {
  font-weight: 700;
  letter-spacing: -.025em;
  color: #fff !important;
}

.brand-icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-right: .55rem;
  border-radius: 50%;
  color: #050507;
  background: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  box-shadow: 0 0 36px rgba(255,255,255,.22);
}

.floating-nav .nav-link {
  color: rgba(255,255,255,.68);
  font-size: .94rem;
  font-weight: 600;
  padding: .48rem .9rem !important;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.floating-nav .nav-link:hover,
.floating-nav .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.105);
  transform: translateY(-1px);
}

.btn-glass {
  color: #fff;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.075);
}

.btn-glass:hover {
  color: #fff;
  background: rgba(255,255,255,.13);
  border-color: rgba(255,255,255,.2);
}

/* Left-aligned hero */

.hero-section .row {
  min-height: 80vh !important;

}

.hero-section {
  position: relative;
  padding: 5.5rem 0 2.5rem;
  isolation: isolate;
  
  background-image: 
    linear-gradient(
      rgba(2,2,4,0.75), 
      rgba(2,2,4,0.85)
    ),
    url("../assets/sem-group-header.jpg");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

}


.


.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 30% 36%, #000 0%, transparent 66%);
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34vh;
  z-index: -2;
  background: linear-gradient(180deg, transparent, #020204 78%);
  
}


hero-section {
  position: relative;
  overflow: hidden;
}

/* Background video */

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;

  z-index: -5;

  transform: translate(0,0) scale(1);
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1);
}


/* Keep your overlay gradient ABOVE video */
.hero-section::after,
.hero-section::before {
  z-index: -1;
}


/* Disable video on tablets & mobile */
@media (max-width: 991.98px) {
  .hero-video {
    display: none;
  }
}



.hero-orb {
  position: absolute;
  z-index: -4;
  border-radius: 999px;
  filter: blur(58px);
  opacity: .72;
}

.hero-orb-one {
  width: 36rem;
  height: 36rem;
  left: 9%;
  top: 15%;
  background: radial-gradient(circle, rgba(255,255,255,.14), transparent 67%);
}

.hero-orb-two {
  width: 38rem;
  height: 28rem;
  right: -9rem;
  top: 18%;
  background: radial-gradient(circle, rgba(100,84,255,.26), transparent 68%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  width: fit-content;
  color: rgba(255,255,255,.82);
  font-size: .9rem;
  font-weight: 700;
  padding: .55rem .9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 18px 60px rgba(0,0,0,.26);
}

.eyebrow-dot {
  width: .54rem;
  height: .54rem;
  border-radius: 50%;
  background: #7cffc5;
  box-shadow: 0 0 22px rgba(124,255,197,.8);
}

.hero-title {
  max-width: 840px;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(2rem, 4vw, 5.8rem);
  line-height: .88;
  letter-spacing: -.08em;
  font-weight: 700;
  text-wrap: balance;
  margin-top:100px;
}

.hero-copy {
  max-width: 650px;
  color: var(--sem-muted);
  font-size: clamp(1.08rem, 1.7vw, 1.36rem);
  line-height: 1.62;
}

.btn-lg {
  --bs-btn-padding-y: .92rem;
  --bs-btn-font-size: 1rem;
}

/* Services */

.explore-section {
  position: relative;
  padding: 6rem 0 7rem;
  background: linear-gradient(180deg, #020204 0%, #08080d 100%);
}

.section-kicker {
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
  font-weight: 800;
}

.section-title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(2.35rem, 5vw, 5rem);
  line-height: .96;
  letter-spacing: -.06em;
  font-weight: 700;
}

.section-intro {
  color: var(--sem-muted);
  line-height: 1.65;
}

/* Full-width portfolio tile rail */
.explore-wide {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.service-tile {
  position: relative;
  display: block;
  min-height: 520px;
  overflow: hidden;
  border-radius: var(--sem-radius);
  color: #fff;
  background-color: #111;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(255,255,255,.13);
  box-shadow: 0 26px 90px rgba(0,0,0,.38);
  transform: translateY(0) scale(1);
  transition: transform .42s cubic-bezier(.2,.7,.2,1), box-shadow .42s ease, border-color .42s ease, background-position .7s ease, background-size .7s ease;
  isolation: isolate;
}

.service-tile:hover {
  color: #fff;
  transform: translateY(-10px) scale(1.015);
  border-color: rgba(255,255,255,.28);
  box-shadow: 0 38px 120px rgba(0,0,0,.54);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}


.service-tile-one {
  background-image: url("../assets/sterlingestates.jpg");
}

.service-tile-two {
  background-image: url("../assets/grs.jpg");
}

.service-tile-three {
  background-image: url("../assets/sem.jpg");
}

.tile-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.78)),
    radial-gradient(circle at 50% 16%, rgba(255,255,255,.20), transparent 45%);
  transition: background .35s ease;
}

.service-tile:hover .tile-overlay {
  background:
    linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.70)),
    radial-gradient(circle at 38% 20%, rgba(82, 225, 255, .26), transparent 42%),
    radial-gradient(circle at 85% 8%, rgba(130, 100, 255, .32), transparent 40%);
}

.tile-shine {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.18) 45%, transparent 62%);
  transform: translateX(-120%);
  transition: transform .75s ease;
}

.service-tile:hover .tile-shine {
  transform: translateX(120%);
}

.tile-number,
.tile-arrow,
.tile-content,
.tile-status {
  position: absolute;
  z-index: 3;
}

.tile-number {
  top: 1.45rem;
  left: 1.5rem;
  color: rgba(255,255,255,.68);
  font-weight: 800;
}

.tile-arrow {
  top: 1.15rem;
  right: 1.15rem;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  font-size: 1.15rem;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.17);
  backdrop-filter: blur(16px);
  transition: transform .3s ease, background .3s ease;
}

.service-tile:hover .tile-arrow {
  transform: rotate(8deg) scale(1.06);
  background: rgba(255,255,255,.22);
}

.tile-status {
  top: 1.45rem;
  left: 4.25rem;
  padding: .36rem .72rem;
  border-radius: 999px;
  color: #08080d;
  background: rgba(255,255,255,.88);
  font-size: .78rem;
  font-weight: 800;
}

.tile-content {
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.55rem;
  padding: 1.15rem;

}

.tile-title {
  display: block;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 700;
}

.tile-subtitle {
  display: block;
  margin-top: .8rem;
  color: rgba(255,255,255,.72);
  font-size: .98rem;
  line-height: 1.4;
  font-weight: 600;
}

.footer-section {
  background: #08080d;
  border-top: 1px solid rgba(255,255,255,.08);
}

@media (max-width: 991.98px) {
  .floating-nav {
    border-radius: 24px;
    padding: .55rem 0;
  }

  .hero-section {
    padding-top: 7rem;
  }

  .hero-title {
    letter-spacing: -.035em;
  }

  .service-tile {
    min-height: 430px;
  }
}

@media (max-width: 575.98px) {
  .floating-nav-wrapper {
    top: 12px;
  }

  .hero-title {
    font-size: clamp(3.1rem, 17vw, 5rem);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .explore-section {
    padding-top: 4.5rem;
  }

  .service-tile {
    min-height: 380px;
    border-radius: 24px;
  }

  .tile-content {
    padding: 1rem;
  }
}





.glass-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  backdrop-filter: blur(14px);
}

.glass-form .form-control {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: #fff;
  border-radius: 12px;
  padding: 12px 14px;
}

.glass-form .form-control::placeholder {
  color: rgba(255,255,255,0.5);
}

.glass-form .form-control:focus {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  box-shadow: none;
}


/* Parallax header */


.hero-section {
  position: relative;
  overflow: hidden;
}


/* Desktop Hover Video: Sterling */

.tile-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s ease;
}

/* Keep video desktop-only */
@media (hover: hover) and (pointer: fine) and (min-width: 1200px) {
  .has-hover-video:hover .tile-video {
    opacity: 1;
  }
}

/* On tablets/mobiles, keep image only */
@media (max-width: 1199px) {
  .tile-video {
    display: none;
  }
}

/* Explore section — scroll-driven theme */
.explore-section {
  position: relative;
  padding: 6rem 0 7rem;

  /* Dynamic colour values (driven by JS) */
  --explore-bg-r: 255;
  --explore-bg-g: 255;
  --explore-bg-b: 255;

  --explore-text-r: 2;
  --explore-text-g: 2;
  --explore-text-b: 4;

  background: rgb(
    var(--explore-bg-r),
    var(--explore-bg-g),
    var(--explore-bg-b)
  );

  color: rgb(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b)
  );

  transition: background 0.1s linear;
}

/* Force all text inside to follow the theme */
.explore-section * {
  color: rgb(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b)
  );
  transition: color 0.1s linear, border-color 0.1s linear;
}

/* Slightly softer secondary text */
.explore-section .section-intro {
  color: rgba(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b),
    0.65
  );
}

.explore-section .tile-subtitle {
  color: rgba(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b),
    0.7
  );
}

/* UI elements adapt smoothly */
.explore-section .eyebrow {
  border-color: rgba(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b),
    0.14
  );

  background: rgba(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b),
    0.06
  );
}

.explore-section .eyebrow-dot {
  background: rgb(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b)
  );

  box-shadow: 0 0 22px rgba(
    var(--explore-text-r),
    var(--explore-text-g),
    var(--explore-text-b),
    0.35
  );
}

/* Keep tiles readable over images */
.service-tile * {
  color: #fff;
}

/* === Floating label contact form === */
.contact-form {
  border-top: 0px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 12px 0 8px;
  outline: none;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 12px;
  color: rgba(255,255,255,0.5);
  pointer-events: none;
  transition: 0.25s ease;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -10px;
  font-size: 0.75rem;
  color: #fff;
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom: 1px solid #fff;
}

.form-group textarea {
  resize: none;
}

.contact-form .btn {
  margin-top: 1rem;
}


/* === Animated underline === */
.form-group {
  position: relative;
}

/* base line (already exists, this enhances it) */
.form-group::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;

  width: 100%;
  height: 1px;

  background: rgba(255,255,255,0.25);
}

/* animated active line */
.form-group::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;

  width: 0%;
  height: 1px;

  background: #ffffff;

  transition: width 0.3s ease;
}

/* when input is focused → line draws in */
.form-group:focus-within::before {
  width: 100%;
}
``


/* === HERO PARALLAX === */
.hero-video {
  transition: transform 0.2s ease-out;
  will-change: transform;
}

/* Disable parallax on mobile */
@media (max-width: 991.98px) {
  .hero-video {
    transform: none !important;
  }
}

/* === CONTACT CENTERED LAYOUT === */
.contact-wrapper {
  max-width: 560px;
  margin: 0 auto;
}

/* === SMOOTH GLOBAL ANIMATION (Framer feel) === */

button,
a,
.form-control,
.service-tile,
.hero-video {
  transition: all 0.3s cubic-bezier(.2,.7,.2,1);
}

/* Limit global transitions from breaking layout-critical items */
html, body {
  transition: none;
}