:root {
  --deep-black: #050505;
  --pure-white: #ffffff;
  --off-white: #f8f8f8;
  --text-muted: #888888;
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--pure-white);
  color: var(--deep-black);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* --- Navbar Styles --- */

.navbar {
  padding: 2rem 0;
  transition: var(--transition-smooth);
  z-index: 1050;
  background: transparent;
}

/* Initial State */

.navbar-brand, .navbar .nav-link, .rolling-logo span {
  color: var(--pure-white);
  transition: var(--transition-smooth);
}

/* Scrolled State */

.navbar.scrolled {
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.navbar.scrolled .navbar-brand, .navbar.scrolled .nav-link, .navbar.scrolled .rolling-logo span {
  color: var(--deep-black) !important;
}

/* Active Link Indicator */

.nav-link {
  position: relative;
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0.5rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 5px;
  left: 0;
  background-color: currentColor;
  transition: width 0.3s ease;
}

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

/* --- 3D Rolling Brand Logo --- */

.navbar-brand {
  perspective: 1000px;
  height: 40px;
  width: 180px;
  padding: 0;
  display: flex;
  align-items: center;
}

.rolling-logo {
  position: relative;
  transform-style: preserve-3d;
  width: 100%;
  height: 100%;
  animation: autoRoll 10s infinite cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.rolling-logo span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  font-weight: 900;
  letter-spacing: -0.5px;
  font-size: 1.5rem;
}

.rolling-logo .front {
  transform: rotateX(0deg) translateZ(15px);
}

.rolling-logo .back {
  transform: rotateX(-180deg) translateZ(15px);
}

@keyframes autoRoll {
  0%, 45% {
    transform: rotateX(0deg);
  }
  50%, 95% {
    transform: rotateX(180deg);
  }
  100% {
    transform: rotateX(360deg);
  }
}

/* --- Hero Section --- */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--deep-black);
  color: var(--pure-white);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: #ccc;
  line-height: 1.6;
  max-width: 500px;
}

/* Improved Text Rotator */

.rotating-text-wrapper {
  display: block;
  height: 1em;
  overflow: hidden;
  color: #666;
  position: relative;
}

.rotating-text-list {
  list-style: none;
  padding: 0;
  margin: 0;
  animation: rotateText 10s infinite cubic-bezier(0.65, 0, 0.35, 1);
}

.rotating-text-list li {
  height: 1em;
  line-height: 1;
  background: linear-gradient(to right, #fff, #999);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  padding-bottom: 5px;
}

@keyframes rotateText {
  0%, 20% {
    transform: translateY(0);
  }
  25%, 45% {
    transform: translateY(-1em);
  }
  50%, 70% {
    transform: translateY(-2em);
  }
  75%, 95% {
    transform: translateY(-3em);
  }
  100% {
    transform: translateY(0);
  }
}

/* --- Modern Buttons --- */

.btn-modern {
  position: relative;
  padding: 18px 45px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: var(--pure-white);
  color: var(--deep-black);
  border: none;
  overflow: hidden;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  margin-top: 2rem;
}

.btn-modern:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
  background: #fff;
  color: #000;
}

.btn-modern i {
  transition: transform 0.3s;
}

.btn-modern:hover i {
  transform: translateX(5px);
}

/* --- Services --- */

.services-section {
  padding: 120px 0;
  background: var(--off-white);
}

.info-card {
  background: var(--pure-white);
  padding: 4rem 3rem;
  border: 1px solid rgba(0, 0, 0, 0.02);
  box-shadow: 6px 6px 20px #c6c6c6;
  transition: all 0.4s ease;
  height: 100%;
  cursor: pointer;
}

.info-card:hover {
  transform: translateY(-15px);
  background: var(--deep-black);
  color: var(--pure-white);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.info-card i {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  transition: 0.4s;
}

.info-card:hover i {
  transform: scale(1.20);
  color: var(--pure-white);
}

.info-card:hover .text-muted {
  color: #aaa !important;
}

/* --- Portfolio Slider --- */

.portfolio-section {
  padding: 120px 0;
  background: var(--deep-black);
  color: var(--pure-white);
  overflow: hidden;
}

.portfolio-slider {
  display: flex;
  overflow-x: auto;
  gap: 30px;
  scroll-snap-type: x mandatory;
  padding-bottom: 20px;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding-right: 20px;
}

.portfolio-slider::-webkit-scrollbar {
  display: none;
}

.portfolio-slide {
  min-width: 85vw;
  scroll-snap-align: center;
  position: relative;
}

@media (min-width: 768px) {
  .portfolio-slide {
    min-width: 45%;
    scroll-snap-align: start;
  }
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: #111;
  cursor: pointer;
  width: 100%;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: 1s ease;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  opacity: 0;
  transition: 0.5s ease;
}

.portfolio-item:hover .portfolio-img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
  background: linear-gradient(rgba(0,0,0,0) 0%, rgba(0,0,0,0.77) 77%);
}

.slider-controls {
  display: flex;
  gap: 15px;
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
}

.slider-btn:hover {
  background: white;
  color: black;
  border-color: white;
}

/* --- Footer --- */

footer {
  background: var(--pure-white);
  color: var(--deep-black);
  padding: 100px 0 40px;
  border-top: 1px solid #eaeaea;
}

/* --- Animations --- */

.reveal {
  /*opacity: 0;*/
  /*transform: translateY(50px);*/
  /*transition: all 1s ease;*/
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Logic & Overlay Fixes --- */

@media (max-width: 991px) {
  .navbar-collapse {
    background: #ffffff;
    padding: 1.5rem;
    margin-top: 1rem;
    border-radius: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
}

@media (max-width: 991px) {
  .navbar-nav .nav-link {
    color: var(--deep-black) !important;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
  }
}

@media (max-width: 991px) {
  .navbar-nav .nav-link:last-child {
    border-bottom: none;
  }
}

/* HERO OVERLAY FIX */

@media (max-width: 991px) {
  .hero-section {
    text-align: center;
    padding-top: 120px;
    position: relative;
  }
}

/* Make text relative so it sits on top of image */

@media (max-width: 991px) {
  .hero-section .col-lg-7 {
    position: relative;
    z-index: 2;
  }
}

/* Wrapper moves to absolute background */

@media (max-width: 991px) {
  .hero-image-wrapper {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin-top: 0 !important;
    z-index: 0;
    opacity: 0.25;
    pointer-events: none;
  }
}

@media (max-width: 991px) {
  .hero-image-wrapper img {
    max-width: none !important;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    filter: grayscale(100%) !important;
  }
}

@media (max-width: 991px) {
  .portfolio-overlay {
    padding: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 576px) {
  .btn-modern {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .info-card {
    padding: 2.5rem 1.5rem;
  }
}

/* Modal Styling */

.modal-content {
  border-radius: 0;
  border: none;
}

.modal-body {
  padding: 3rem;
}

.btn-close:focus {
  box-shadow: none;
}