/* ===== CSS Variables ===== */
:root {
  --primary: #1a1a1a;
  --primary-dark: #0d0d0d;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
}

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

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

ul {
  list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--dark {
  background-color: var(--primary);
  color: var(--white);
}

.section--gray {
  background-color: var(--gray-100);
}

/* ===== Header & Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.nav__link:hover,
.nav__link--active {
  color: var(--accent);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--white);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--primary);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }

  .nav__list.active {
    transform: translateY(0);
  }
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(26, 26, 26, 0.75) 100%),
              url('hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding-top: 70px;
  text-align: center;
  color: var(--white);
}

.hero__content {
  max-width: 800px;
  padding: 2rem;
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--gray-300);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 1rem 2rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn--primary {
  background-color: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn--outline {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn--outline:hover {
  background-color: var(--white);
  color: var(--primary);
}

.btn--dark {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn--dark:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* ===== Features/Services Grid ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--white);
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-card__icon {
  width: 60px;
  height: 60px;
  background-color: var(--accent);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary);
}

.feature-card__title {
  margin-bottom: 1rem;
  color: var(--primary);
}

.feature-card__text {
  color: var(--gray-600);
  margin-bottom: 0;
}

/* ===== About Page ===== */
.page-header {
  padding-top: 120px;
  padding-bottom: 4rem;
  background-color: var(--primary);
  color: var(--white);
  text-align: center;
}

.page-header__title {
  margin-bottom: 1rem;
}

.page-header__subtitle {
  color: var(--gray-300);
  font-size: 1.125rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.about-image {
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 4px solid var(--accent);
  z-index: -1;
}

.about-text h3 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.value-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.value-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background-color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--primary);
}

/* ===== Projects / Carousel ===== */
.carousel {
  position: relative;
  max-width: 900px;
  margin: 3rem auto 0;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel__slide {
  min-width: 100%;
  position: relative;
}

.carousel__image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  background-color: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Broken image fallback */
.carousel__image-wrapper {
  position: relative;
  width: 100%;
  height: 500px;
  background-color: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel__image-wrapper::before {
  content: 'Image Coming Soon';
  position: absolute;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 1;
}

.carousel__image-wrapper img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__image-wrapper img[src=""],
.carousel__image-wrapper img:not([src]) {
  display: none;
}

/* Additional fallback for broken images */
.carousel__image-wrapper img::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--gray-200);
}

.carousel__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 3rem 2rem 2rem;
  color: var(--white);
}

.carousel__caption h3 {
  margin-bottom: 0.5rem;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--accent);
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--primary);
  transition: background-color 0.3s ease;
  z-index: 10;
}

.carousel__btn:hover {
  background-color: var(--accent-hover);
}

.carousel__btn--prev {
  left: 1rem;
}

.carousel__btn--next {
  right: 1rem;
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.carousel__dot {
  width: 12px;
  height: 12px;
  background-color: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.carousel__dot--active {
  background-color: var(--accent);
}

@media (max-width: 768px) {
  .carousel__image-wrapper {
    height: 300px;
  }

  .carousel__btn {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.contact-info h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.contact-item__icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background-color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}

.contact-item__text h4 {
  font-family: var(--font-heading);
  margin-bottom: 0.25rem;
}

.contact-item__text p {
  margin-bottom: 0;
  color: var(--gray-600);
}

/* Contact Form */
.contact-form {
  background-color: var(--white);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--gray-800);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--gray-200);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand .logo {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.footer__brand p {
  color: var(--gray-300);
  margin-bottom: 1.5rem;
}

.footer__title {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.footer__links li {
  margin-bottom: 0.75rem;
}

.footer__links a {
  color: var(--gray-300);
  transition: color 0.3s ease;
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__bottom p {
  margin-bottom: 0;
  color: var(--gray-300);
  font-size: 0.9rem;
}

.footer__abn {
  font-family: var(--font-heading);
  color: var(--gray-300);
  font-size: 0.9rem;
}

/* ===== Utilities ===== */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--accent);
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

/* ===== CTA Section ===== */
.cta {
  text-align: center;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  color: var(--gray-300);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Stats Section ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item__label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-300);
}