/* ============================================
   ITZIAR SYSTEMS — Complete Stylesheet
   Brand: #435865 (slate), #98C23D (green)
   Font: Michroma (headings), Outfit (body)
   Theme: Light — white content, dark hero/CTA/footer
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --slate: #435865;
  --slate-light: #5a7585;
  --slate-dark: #2d3d47;
  --green: #98C23D;
  --green-light: #b0d462;
  --green-dark: #7da32e;
  --charcoal: #1c2127;
  --charcoal-light: #252c33;
  --charcoal-lighter: #2e363e;
  --white: #ffffff;
  --off-white: #f7f8f9;
  --text-dark: #1c2127;
  --text-body: #4a5568;
  --text-muted: #6b7b8d;
  --border-line: rgba(67, 88, 101, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Outfit', sans-serif;
  background: #ffffff;
  color: #4a5568;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green); }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

h1, h2, h3, h4 {
  font-family: 'Michroma', sans-serif;
  color: var(--text-dark);
  line-height: 1.2;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.section-label {
  font-family: 'Michroma', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--green);
}

/* ===== HEADER & NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 0;
  background: #ffffff;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: #ffffff;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  border-bottom: 1px solid var(--border-line);
}

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

.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo img { height: 40px; width: auto; }
.logo-text {
  font-family: 'Michroma', sans-serif;
  font-size: 1.1rem;
  color: var(--text-dark);
  letter-spacing: 0.15em;
}
.logo-text span { color: var(--green); }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links > li { position: relative; }
.nav-links > li > a {
  font-family: 'Michroma', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-body);
  transition: color var(--transition);
  padding: 0.5rem 0;
  display: block;
}
.nav-links > li > a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--green);
  transition: width var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li > a.active { color: var(--text-dark); }
.nav-links > li > a:hover::after,
.nav-links > li > a.active::after { width: 100%; }

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: -1rem;
  min-width: 240px;
  background: #ffffff;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  border: 1px solid var(--border-line);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s ease;
  list-style: none;
  z-index: 200;
}
.nav-links > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-body);
  transition: all var(--transition);
}
.dropdown-menu li a:hover {
  background: rgba(152, 194, 61, 0.08);
  color: var(--green-dark);
  padding-left: 1.5rem;
}
.dropdown-menu li a .dd-icon {
  width: 20px; height: 20px;
  color: var(--green);
  flex-shrink: 0;
  opacity: 0.6;
}
.dropdown-menu li a:hover .dd-icon { opacity: 1; }

.has-dropdown > a::before {
  content: '';
  display: inline-block;
  width: 4px; height: 4px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  margin-left: 6px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.nav-cta {
  font-family: 'Michroma', sans-serif;
  font-size: 0.6rem !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 1.25rem !important;
  border: 1px solid var(--green) !important;
  color: var(--green-dark) !important;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: var(--green) !important;
  color: #ffffff !important;
}
.nav-cta::after { display: none !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-dark); transition: var(--transition);
}

/* ===== HERO (dark) ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
}
.hero-bg-image {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.3) 80%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(152, 194, 61, 0.04) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(67, 88, 101, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 88, 101, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, black 20%, transparent 70%);
}
.hero-accent-line {
  position: absolute; right: 10%; top: 15%;
  width: 1px; height: 70%;
  background: linear-gradient(to bottom, transparent, var(--green), transparent);
  opacity: 0.15;
}
.hero-accent-line:nth-child(3) { right: 12%; opacity: 0.08; }
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero-content h1 { margin-bottom: 1.5rem; color: #ffffff; }
.accent { color: var(--green); }
.hero-tagline {
  font-size: 1.15rem; color: rgba(255, 255, 255, 0.85);
  max-width: 520px; margin-bottom: 2.5rem; line-height: 1.8;
}
.hero .section-label { color: var(--green); }
.hero-buttons {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem;
}
.hero .btn-outline { border: 1px solid rgba(67, 88, 101, 0.4); color: #ffffff; }
.hero .btn-outline:hover { border-color: var(--green); color: var(--green); }
.hero-stats {
  display: flex; gap: 1rem;
}
.hero-stat {
  background: rgba(37, 44, 51, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(67, 88, 101, 0.4);
  border-left: 2px solid var(--green);
  padding: 1.25rem 1.5rem;
  flex: 1;
}
.hero-stat .number {
  font-family: 'Michroma', sans-serif;
  font-size: 1.8rem; color: var(--green); display: block;
}
.hero-stat .label {
  font-size: 0.75rem; color: #8a9baa;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'Michroma', sans-serif;
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  padding: 0.9rem 2rem; border: none; cursor: pointer;
  transition: all var(--transition);
}
.btn-primary { background: var(--green); color: #ffffff; }
.btn-primary:hover { background: var(--green-dark); color: #ffffff; transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--border-line); color: var(--text-dark); }
.btn-outline:hover { border-color: var(--green); color: var(--green-dark); }
.btn-arrow::after { content: '→'; transition: transform var(--transition); }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-header { max-width: 600px; margin-bottom: 3.5rem; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; margin-top: 1rem; }
.bg-alt { background: var(--off-white); }

/* ===== SERVICE CARDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: #ffffff;
  border: 1px solid var(--border-line);
  padding: 2.5rem 2rem;
  position: relative; overflow: hidden;
  transition: all var(--transition);
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { border-color: var(--slate-light); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem; color: var(--green);
}
.service-card h3 { margin-bottom: 0.75rem; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
.learn-more {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green-dark); margin-top: 1.5rem; font-family: 'Michroma', sans-serif;
}
.learn-more .arrow { transition: transform var(--transition); display: inline-block; }
.service-card:hover .learn-more .arrow { transform: translateX(4px); }

/* ===== IMAGE SECTIONS ===== */
.img-banner {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border: 1px solid var(--border-line);
}
.img-feature {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border: 1px solid var(--border-line);
}

/* ===== INTRO / ABOUT BLOCK ===== */
.intro-block {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.intro-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.5rem; margin-top: 2rem;
}
.stat-box {
  background: var(--off-white);
  border: 1px solid var(--border-line);
  padding: 1.5rem;
}
.stat-box .number {
  font-family: 'Michroma', sans-serif;
  font-size: 1.8rem; color: var(--green-dark); display: block;
}
.stat-box .label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ===== CTA (dark) ===== */
.cta-section {
  padding: 100px 0; text-align: center; position: relative;
  background: var(--charcoal);
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(152, 194, 61, 0.06) 0%, transparent 60%);
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { margin-bottom: 1rem; color: #ffffff; }
.cta-content p { color: #8a9baa; font-size: 1.05rem; max-width: 500px; margin: 0 auto 2rem; }

/* ===== FOOTER (dark) ===== */
.site-footer {
  padding: 4rem 0 2rem;
  background: var(--charcoal);
  border-top: 1px solid rgba(67, 88, 101, 0.4);
}
.site-footer h4 { color: #8a9baa; }
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand p { color: #8a9baa; font-size: 0.9rem; margin-top: 1rem; max-width: 280px; }
.footer-col h4 {
  font-family: 'Michroma', sans-serif;
  font-size: 0.65rem; letter-spacing: 0.2em;
  text-transform: uppercase; margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col ul a { color: #c5cdd4; font-size: 0.9rem; }
.footer-col ul a:hover { color: var(--green); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid rgba(67, 88, 101, 0.4);
  font-size: 0.8rem; color: #8a9baa;
}

/* ===== PAGE HERO (dark — inner pages) ===== */
.page-hero {
  padding: 10rem 0 4rem;
  position: relative;
  background: var(--charcoal);
}
.page-hero-image {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.3;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.6);
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { margin-bottom: 1rem; color: #ffffff; }
.page-hero p { color: rgba(255, 255, 255, 0.85); font-size: 1.1rem; max-width: 550px; }
.page-hero .section-label { color: var(--green); }

/* ===== SERVICE DETAIL (dark hero — subpages) ===== */
.service-hero {
  padding: 10rem 0 4rem;
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
}
.service-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.3;
}
.service-hero::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}
.service-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, #ffffff, transparent);
  z-index: 1;
}
.service-hero-content { position: relative; z-index: 2; max-width: 650px; }
.service-hero h1 { color: #ffffff; }
.service-hero .section-label { color: var(--green); }
.service-hero p { color: rgba(255, 255, 255, 0.85); }

.service-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.service-features { list-style: none; margin-top: 1.5rem; }
.service-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-line);
  display: flex; align-items: flex-start; gap: 0.75rem;
  font-size: 0.95rem;
}
.service-features li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

.service-sidebar {
  background: var(--off-white);
  border: 1px solid var(--border-line);
  padding: 2.5rem;
}
.service-sidebar h3 { margin-bottom: 1.5rem; font-size: 1rem; }
.sidebar-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-line);
  font-size: 0.9rem; color: var(--text-muted);
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-icon { color: var(--green); width: 18px; flex-shrink: 0; }

.related-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-family: 'Michroma', sans-serif;
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--off-white);
  border: 1px solid var(--border-line);
  color: var(--text-dark);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select { appearance: none; cursor: pointer; }

.contact-info-item {
  display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 2rem;
}
.contact-info-icon {
  width: 40px; height: 40px;
  background: var(--off-white);
  border: 1px solid var(--border-line);
  display: flex; align-items: center; justify-content: center;
  color: var(--green); flex-shrink: 0;
}
.contact-info-item h4 { margin-bottom: 0.25rem; }
.contact-info-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { opacity: 0; animation: fadeUp 0.7s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .intro-block,
  .contact-grid,
  .service-overview { grid-template-columns: 1fr; gap: 2rem; }
  .related-services { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: #ffffff;
    padding: 2rem; gap: 1rem;
    border-bottom: 1px solid var(--border-line);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  }
  .nav-links.open .dropdown-menu {
    position: static; opacity: 1; visibility: visible;
    transform: none; border: none; background: transparent;
    box-shadow: none;
    padding-left: 1rem;
  }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 0.75rem; }
  .container { padding: 0 1.25rem; }
}

/* ===== HOMEPAGE — SERVICE IMAGE GRID ===== */
.hp-service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.hp-service-card {
  position: relative;
  overflow: hidden;
  display: block;
  height: 340px;
  border: 1px solid var(--border-line);
  text-decoration: none;
  transition: all var(--transition);
}
.hp-service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; z-index: 2;
  background: linear-gradient(90deg, var(--green), var(--green-light), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.hp-service-card:hover::before { transform: scaleX(1); }
.hp-service-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hp-service-card:hover img { transform: scale(1.05); }
.hp-service-card:hover { border-color: var(--slate-light); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.hp-service-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(28, 33, 39, 0.92) 0%, rgba(28, 33, 39, 0.35) 55%, rgba(28, 33, 39, 0.08) 100%);
  display: flex; flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}
.hp-service-num {
  font-family: 'Michroma', sans-serif;
  font-size: 0.6rem; letter-spacing: 0.3em;
  color: var(--green); margin-bottom: 0.5rem;
}
.hp-service-overlay h3 { color: #ffffff; margin-bottom: 0.5rem; }
.hp-service-overlay p { color: #8a9baa; font-size: 0.9rem; line-height: 1.6; }
.hp-service-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: 'Michroma', sans-serif;
  font-size: 0.65rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--green);
  margin-top: 1rem;
  opacity: 0; transform: translateY(8px);
  transition: all 0.3s ease;
}
.hp-service-card:hover .hp-service-arrow {
  opacity: 1; transform: translateY(0);
}

/* ===== HOMEPAGE — DIFFERENTIATOR STRIP ===== */
.hp-diff {
  padding: 60px 0;
  background: var(--off-white);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}
.hp-diff-grid {
  display: flex;
  gap: 2rem;
  justify-content: center;
}
.hp-diff-item {
  text-align: center;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.hp-diff-icon {
  width: 64px; height: 64px;
  margin: 0 auto 1.25rem;
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(152, 194, 61, 0.2);
  border-radius: 50%;
  background: rgba(152, 194, 61, 0.1);
  transition: border-color var(--transition);
}
.hp-diff-item:hover .hp-diff-icon { border-color: var(--green); }
.hp-diff-item h4 {
  font-size: 0.85rem; margin-bottom: 0.75rem;
  letter-spacing: 0.05em; font-weight: 400;
}
.hp-diff-item p {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.7;
  flex-grow: 1;
}

/* ===== HOMEPAGE RESPONSIVE ===== */
@media (max-width: 900px) {
  .hp-service-grid { grid-template-columns: 1fr; }
  .hp-service-card { height: 280px; }
  .hero-buttons { margin-bottom: 2rem; }
}
@media (max-width: 768px) {
  .hp-diff-grid { flex-direction: column; }
  .hp-diff-item { flex: none; }
}
@media (max-width: 600px) {
  .hp-service-card { height: 240px; }
}