/* 
   Abdi Electro Mechanical - Custom Styling
   Palette:
   - Primary Dark: #070E17 / #0B131F
   - Accent Cyan/Blue: #1CA9E6 / #0C5374
   - Slate Gray: #717A88 / #64748B
   - Light Section Bg: #F2F4F7
*/

:root {
  --color-dark-bg: #070E17;
  --color-dark-card: #0D1726;
  --color-primary-blue: #0C5374;
  --color-cyan-highlight: #1CA9E6;
  --color-slate-gray: #717A88;
  --color-text-dark: #0B131F;
  --color-text-body: #4A5568;
  --color-text-muted: #94A3B8;
  --color-light-bg: #F2F4F7;
  --color-white: #FFFFFF;
  --color-border-light: #E2E8F0;
  --color-border-dark: rgba(255, 255, 255, 0.15);
  
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.25s ease;
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* TYPOGRAPHY HELPERS */
.text-highlight {
  color: var(--color-cyan-highlight);
}

.section-subtitle {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--color-cyan-highlight);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-cyan-highlight);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}

.link-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-cyan-highlight);
  transform: scaleX(0.4);
  transform-origin: left;
  transition: var(--transition-medium);
}

.link-arrow:hover::after {
  transform: scaleX(1);
}

.link-arrow .icon-arrow {
  transition: transform var(--transition-fast);
}

.link-arrow:hover .icon-arrow {
  transform: translateX(5px);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition-medium);
}

.btn-outline {
  border: 1px solid var(--color-border-dark);
  background: transparent;
  color: var(--color-white);
}

.btn-outline:hover {
  border-color: var(--color-cyan-highlight);
  background-color: rgba(28, 169, 230, 0.1);
  color: var(--color-cyan-highlight);
  box-shadow: 0 0 20px rgba(28, 169, 230, 0.2);
}

.btn-outline .icon-arrow {
  font-size: 0.85rem;
  transition: transform var(--transition-fast);
}

.btn-outline:hover .icon-arrow {
  transform: translateX(4px);
}

/* ==========================================
   HEADER / NAV
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-medium), padding var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.header.scrolled {
  padding: 0.85rem 0;
  background: rgba(7, 14, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-img {
  height: 68px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.logo-text-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white);
}

.logo-text-sub {
  font-family: var(--font-heading);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-cyan-highlight);
}

.logo:hover .logo-img {
  transform: scale(1.03);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-white);
  position: relative;
  padding: 0.5rem 0;
  opacity: 0.85;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
  color: var(--color-cyan-highlight);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-cyan-highlight);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-medium);
}

.nav-link.active::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  z-index: 1001;
}

.mobile-toggle .bar {
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  transition: var(--transition-fast);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 100px;
  display: flex;
  align-items: center;
  background-image: url('assets/hero-image.png');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  overflow: hidden;
  transition: background-image var(--transition-slow);
}

/* Left side vignette gradient overlay to ensure readable crisp text while showing full hero machine background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(7, 14, 23, 0.94) 0%,
    rgba(7, 14, 23, 0.82) 35%,
    rgba(7, 14, 23, 0.45) 65%,
    rgba(7, 14, 23, 0.15) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  display: block;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

/* Slider Controls Side Indicator */
.hero-slider-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-top: 0.5rem;
}

.indicator-line {
  width: 2px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.indicator-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 33%;
  background-color: var(--color-cyan-highlight);
  transition: top var(--transition-medium);
}

.indicator-numbers {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.indicator-numbers .num {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition-fast);
}

.indicator-numbers .num:hover,
.indicator-numbers .num.active {
  color: var(--color-white);
}

.indicator-numbers .num.active {
  color: var(--color-cyan-highlight);
  transform: scale(1.15);
}

/* Hero Text */
.hero-text-wrapper {
  max-width: 580px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.05rem;
  color: #CBD5E1;
  margin-bottom: 0.75rem;
  font-weight: 400;
  line-height: 1.6;
}

.hero-amharic {
  font-size: 0.95rem;
  color: var(--color-slate-gray);
  margin-bottom: 2.2rem;
  line-height: 1.6;
  font-weight: 400;
}

/* Hero Media Image */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  max-width: 620px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.6));
  transition: transform var(--transition-slow);
}

.hero-image-frame:hover {
  transform: translateY(-8px) scale(1.02);
}

.hero-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
  background-color: var(--color-white);
  color: var(--color-text-dark);
  padding: 100px 0;
  position: relative;
}

.about-container {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.about-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--color-text-dark);
  margin-bottom: 1.5rem;
}

.about-text {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.about-text-amharic {
  font-size: 0.9rem;
  color: var(--color-slate-gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Feature Grid with Vertical Column Dividers */
.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--color-border-light);
}

.feature-item {
  padding: 1.5rem 1.2rem;
  border-right: 1px solid var(--color-border-light);
  transition: var(--transition-medium);
}

.feature-item:hover {
  background-color: #F8FAFC;
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-blue);
  font-size: 1.8rem;
  transition: transform var(--transition-medium);
}

.feature-item:hover .feature-icon {
  color: var(--color-cyan-highlight);
  transform: scale(1.1) rotate(5deg);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-dark);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.8rem;
  color: var(--color-text-body);
  line-height: 1.5;
}

/* ==========================================
   INDUSTRY SECTION
   ========================================== */
.industry {
  background-color: #070E17;
  padding: 90px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.industry-main-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
}

.industry-card {
  position: relative;
  height: 320px;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition-medium);
}

.industry-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.industry-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(7, 14, 23, 0.95) 0%, rgba(7, 14, 23, 0.3) 60%, transparent 100%);
  transition: var(--transition-medium);
}

.industry-card-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.industry-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  transition: var(--transition-fast);
}

.card-line {
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--color-cyan-highlight);
  transition: width var(--transition-medium);
}

.industry-card:hover {
  border-color: var(--color-cyan-highlight);
  transform: translateY(-6px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.industry-card:hover .industry-card-bg {
  transform: scale(1.12);
}

.industry-card:hover .industry-card-overlay {
  background: linear-gradient(to top, rgba(12, 83, 116, 0.9) 0%, rgba(7, 14, 23, 0.4) 70%, transparent 100%);
}

.industry-card:hover .card-line {
  width: 100%;
}

/* ==========================================
   FEATURED MACHINERY SECTION
   ========================================== */
.machinery {
  background-color: var(--color-light-bg);
  color: var(--color-text-dark);
  padding: 100px 0;
}

.machinery-container {
  display: grid;
  grid-template-columns: 0.8fr 1.6fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.machinery-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.machinery-desc {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Products Grid */
.machinery-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.product-card {
  background: var(--color-white);
  border-radius: 4px;
  padding: 1.5rem 1.2rem 1.4rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  border: 1px solid var(--color-border-light);
  transition: var(--transition-medium);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 35px rgba(0,0,0,0.08);
  border-color: var(--color-cyan-highlight);
}

.product-img-wrapper {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  padding: 1rem;
  background: #F7F9FB;
  border: 1px solid var(--color-border-light);
  border-radius: 3px;
  overflow: hidden;
}

.product-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-medium);
}

.product-card:hover .product-img {
  transform: scale(1.08);
}

.product-body {
  border-top: 1px solid var(--color-border-light);
  padding-top: 1rem;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-dark);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.product-category {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-primary-blue);
  line-height: 1.4;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-section {
  background-color: #0B131F;
  padding: 90px 0;
  color: var(--color-white);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header.center {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-main-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 0.95rem;
  color: #94A3B8;
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-box {
  background: var(--color-dark-card);
  padding: 2.5rem 2rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition-medium);
}

.service-box:hover {
  transform: translateY(-6px);
  border-color: var(--color-cyan-highlight);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.service-icon-wrap {
  width: 55px;
  height: 55px;
  border-radius: 4px;
  background: rgba(28, 169, 230, 0.1);
  color: var(--color-cyan-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.service-box:hover .service-icon-wrap {
  background: var(--color-cyan-highlight);
  color: var(--color-white);
}

.service-box h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.service-box p {
  font-size: 0.88rem;
  color: #94A3B8;
  line-height: 1.6;
}

/* ==========================================
   CTA / CONTACT SECTION
   ========================================== */
.cta {
  position: relative;
  background-color: #070D14;
  padding: 80px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-image: url('assets/images.jfif');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  filter: grayscale(100%);
  pointer-events: none;
}

.cta-container {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.8fr;
  align-items: center;
  gap: 2.5rem;
  position: relative;
  z-index: 2;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.cta-desc {
  font-size: 0.95rem;
  color: #CBD5E1;
}

.cta-middle {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--color-white);
}

.contact-icon {
  color: var(--color-cyan-highlight);
  font-size: 1.1rem;
  width: 20px;
}

.cta-right {
  display: flex;
  justify-content: flex-end;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background-color: #04080E;
  padding: 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo-img {
  height: 54px;
  width: auto;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--color-slate-gray);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--color-cyan-highlight);
  color: var(--color-white);
  transform: translateY(-3px);
}

/* ==========================================
   SCROLL ANIMATIONS (IntersectionObserver)
   ========================================== */
.animate-on-scroll {
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  will-change: transform, opacity;
}

.animate-on-scroll.fade-up {
  transform: translateY(40px);
}

.animate-on-scroll.fade-in {
  transform: scale(0.96);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger Delays */
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* ==========================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================== */
@media (max-width: 1200px) {
  .hero-title { font-size: 2.8rem; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .machinery-products { grid-template-columns: repeat(2, 1fr); }
  .about-features { grid-template-columns: repeat(2, 1fr); }
  .feature-item { border-bottom: 1px solid var(--color-border-light); }
}

@media (max-width: 992px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .machinery-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .cta-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cta-middle {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
  }

  .cta-right {
    justify-content: flex-start;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: #070E17;
    padding: 90px 2rem 2rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.8);
    transition: var(--transition-medium);
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .about-title, .industry-main-title, .machinery-title, .cta-title, .section-main-title { font-size: 1.8rem; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .about-features { grid-template-columns: 1fr; border-left: none; }
  .feature-item { border-right: none; padding: 1.2rem 0; }
  .footer-container { flex-direction: column; gap: 1.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .industry-grid { grid-template-columns: 1fr; }
  .machinery-products { grid-template-columns: 1fr; }
  .hero-content { flex-direction: column; }
  .hero-slider-indicator { flex-direction: row; }
  .indicator-line { width: 50px; height: 2px; }
  .indicator-progress { width: 33%; height: 100%; }
  .indicator-numbers { flex-direction: row; }
}