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

:root {
  --clr-primary: #1a3c6e;
  --clr-primary-light: #2a5298;
  --clr-accent: #c8a951;
  --clr-accent-light: #e6ca72;
  --clr-red: #c0392b;
  --clr-green: #27ae60;
  --clr-blue: #1a3c6e;
  --clr-gold: #c8a951;
  --clr-bg: #ffffff;
  --clr-bg-alt: #f7f8fc;
  --clr-bg-warm: #faf9f6;
  --clr-text: #2c3e50;
  --clr-text-light: #6b7c93;
  --clr-border: #e8ecf1;
  --clr-shadow: rgba(26, 60, 110, 0.08);
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER / NAVBAR ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 4px 30px var(--clr-shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo img {
  height: 50px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-light);
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav__links a:hover {
  color: var(--clr-primary);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  background: var(--clr-primary);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(26, 60, 110, 0.2);
}

.nav__cta:hover {
  background: var(--clr-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(26, 60, 110, 0.3);
}

.nav__cta::after {
  display: none !important;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(255, 255, 255, 0.80) 40%,
    rgba(255, 255, 255, 0.45) 70%,
    rgba(255, 255, 255, 0.15) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  padding-top: 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26, 60, 110, 0.06);
  border: 1px solid rgba(26, 60, 110, 0.1);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--clr-primary);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

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

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--clr-text-light);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 60, 110, 0.25);
}

.btn--primary:hover {
  background: var(--clr-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 60, 110, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-border);
}

.btn--outline:hover {
  border-color: var(--clr-primary);
  background: rgba(26, 60, 110, 0.03);
}

/* ===== SECTION GLOBAL ===== */
.section {
  padding: 100px 0;
}

.section--alt {
  background: var(--clr-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--clr-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== ABOUT SECTION ===== */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px var(--clr-shadow);
}

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about__image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(26, 60, 110, 0.15), transparent);
}

.about__accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: var(--clr-accent);
  border-radius: var(--radius-md);
  opacity: 0.15;
  z-index: -1;
}

.about__content {
  max-width: 520px;
}

.about__content .section__label {
  text-align: left;
}

.about__content .section__title {
  text-align: left;
  font-size: 2.2rem;
}

.about__text {
  font-size: 1rem;
  color: var(--clr-text-light);
  line-height: 1.85;
  margin-bottom: 32px;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about__stat {
  text-align: center;
  padding: 16px;
  background: var(--clr-bg-alt);
  border-radius: var(--radius-md);
}

.about__stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1.2;
}

.about__stat-label {
  font-size: 0.78rem;
  color: var(--clr-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px var(--clr-shadow);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
}

.service-card__icon--medical {
  background: rgba(192, 57, 43, 0.08);
  color: var(--clr-red);
}

.service-card__icon--detergent {
  background: rgba(39, 174, 96, 0.08);
  color: var(--clr-green);
}

.service-card__icon--transport {
  background: rgba(26, 60, 110, 0.08);
  color: var(--clr-blue);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 14px;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--clr-text-light);
  line-height: 1.75;
}

/* ===== WHY CHOOSE US ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--clr-shadow);
  border-color: rgba(200, 169, 81, 0.3);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
  box-shadow: 0 4px 16px rgba(26, 60, 110, 0.2);
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.88rem;
  color: var(--clr-text-light);
  line-height: 1.7;
}

/* ===== CLIENTS / MARQUEE ===== */
.clients-section {
  padding: 80px 0;
  background: var(--clr-bg-warm);
  overflow: hidden;
}

.marquee {
  display: flex;
  block-size: var(--marquee-item-height);
  margin-block: 20px;
  position: relative;
  overflow-x: hidden;
  mask-image: linear-gradient(
    to right,
    hsl(0 0% 0% / 0),
    hsl(0 0% 0% / 1) 20%,
    hsl(0 0% 0% / 1) 80%,
    hsl(0 0% 0% / 0)
  );
  -webkit-mask-image: linear-gradient(
    to right,
    hsl(0 0% 0% / 0),
    hsl(0 0% 0% / 1) 20%,
    hsl(0 0% 0% / 1) 80%,
    hsl(0 0% 0% / 0)
  );
}

.marquee--9 {
  --marquee-item-width: 160px;
  --marquee-item-height: 80px;
  --marquee-duration: 40s;
  --marquee-items: 9;
}

.marquee__item {
  --marquee-item-offset: max(
    calc(var(--marquee-item-width) * var(--marquee-items)),
    calc(100% + var(--marquee-item-width))
  );
  --marquee-delay: calc(
    var(--marquee-duration) / var(--marquee-items) *
      (var(--marquee-items) - var(--marquee-item-index)) * -1
  );
  position: absolute;
  inset-inline-start: var(--marquee-item-offset);
  transform: translateX(-50%);
  animation: go linear var(--marquee-duration) var(--marquee-delay, 0s) infinite;
  height: var(--marquee-item-height);
  width: var(--marquee-item-width);
  object-fit: contain;
  padding: 8px 16px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter 0.4s ease, opacity 0.4s ease;
}

.marquee__item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.marquee--9 .marquee__item:nth-of-type(1) { --marquee-item-index: 1; }
.marquee--9 .marquee__item:nth-of-type(2) { --marquee-item-index: 2; }
.marquee--9 .marquee__item:nth-of-type(3) { --marquee-item-index: 3; }
.marquee--9 .marquee__item:nth-of-type(4) { --marquee-item-index: 4; }
.marquee--9 .marquee__item:nth-of-type(5) { --marquee-item-index: 5; }
.marquee--9 .marquee__item:nth-of-type(6) { --marquee-item-index: 6; }
.marquee--9 .marquee__item:nth-of-type(7) { --marquee-item-index: 7; }
.marquee--9 .marquee__item:nth-of-type(8) { --marquee-item-index: 8; }
.marquee--9 .marquee__item:nth-of-type(9) { --marquee-item-index: 9; }

@keyframes go {
  to {
    inset-inline-start: calc(var(--marquee-item-width) * -1);
  }
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.contact-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--clr-shadow);
}

.contact-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(26, 60, 110, 0.06);
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
}

.contact-card__label {
  font-size: 0.78rem;
  color: var(--clr-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.contact-card__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-primary);
}

.contact-card__value a {
  color: var(--clr-primary);
  transition: var(--transition);
}

.contact-card__value a:hover {
  color: var(--clr-accent);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--clr-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 32px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo img {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer__text {
  font-size: 0.85rem;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 2.8rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 12px 40px var(--clr-shadow);
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__bg img {
    object-position: 65% center;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 64px 0;
  }

  .section__title {
    font-size: 2rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}